CN102272258B - Acrylate color-stabilized phenolic bound abrasive products and methods for making same - Google Patents
Acrylate color-stabilized phenolic bound abrasive products and methods for making same Download PDFInfo
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- CN102272258B CN102272258B CN200980153958.1A CN200980153958A CN102272258B CN 102272258 B CN102272258 B CN 102272258B CN 200980153958 A CN200980153958 A CN 200980153958A CN 102272258 B CN102272258 B CN 102272258B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
Abstract
Described is a color-stable abrasive article that includes a phenolic resin binder; a color stabilizer, a colorant, and abrasive grains. The color stabilizer includes at least one acrylate. The color-stable abrasive article is formed by a method including the steps of blending a resole and a color stabilizer to form a resole composition; contacting a plurality of abrasive particles with the resole composition; and curing the resole composition to produce the color-stable abrasive article. Thus provided are color stabilized phenolic bound abrasives and a method for making such abrasives that resist color change over time and upon exposure to high temperature and maintain the mechanical strength of a phenolic resin.
Description
related application
The application requires the rights and interests of the U.S. Provisional Application number 61/199,471 of submitting on November 17th, 2008.More than whole contents of teaching of application are combined in this by reference.
Background of invention
The diversified rosin products being obtained by the reaction product of phenols and aldehydes described in term " resol ".Phenols all reacts under acid and alkaline condition with formaldehydes.If the formaldehyde that the phenol that the mixture of a kind of base catalysis of phenol and formaldehyde is every mole comprises one mole or more moles, so this mixture will produce resin or " resole " of a kind of thermoset (single step).The common basic cpd as resole catalyzer comprises the oxyhydroxide of basic metal (as sodium, potassium or lithium).Although the resol of alkali metal hydroxide catalysis is commercially useful, they have a kind of undesirable trend, that is: when they are aging, deepen through heating or while being otherwise cured.The known degree deepening depends on the temperature of resin solidification or use and is exposed to the time at this temperature.
The resol of alkali metal hydroxide catalysis is often used as a kind of component of the bonding system of abrasive product (as that apply, bonding and three-dimensional, low-density abrasive product).The problem that resin deepens is significant especially in the abrasive material applying and three-dimensional, low-density abrasive product, because the existence of bonding system more intuitively.And because the growth deepening with temperature and open-assembly time increases, thereby any variation in the temperature profile of product all can cause the colour-change within product self.For light product, colour-change is attractive especially, thereby causes people for aesthetic or other reasons and can not accept this series products.
In addition, abrasive material bonding system can comprise tinting material to indicate manufacturers, product type, application, etc.Resin deepens and can disturb the painted of hope, thereby causes the finished product to have and the tinting material distinct colors adding.For example, after solidifying, a kind of resin of normal flavescence will produce a kind of product with green color in the time combining with a kind of blue dyes or pigment.On the other hand, if same yellow resin and a kind of green colouring material or pigment are carried out to combination, this resin will typically just produce another kind of green hue so.
Comprise for a kind of known method of giving colour stability at phenolic resole resin, terpolycyantoamino-formaldehyde resin is joined in this formula.Although this has realized colour stability, the time that it has also given friability, Hua Gengchang solidifies and causes mechanical weakness, and the nonferromagnetic substance therefore reducing in the finished product.
The method of another proposition comprises alkaline one ammonium salt is joined in phenolic resole resin.But this method be not highly effective aspect the color of the stable resol product with specific colorants (as light blue and orange pigments or dyestuff).
Needed is a kind of effectively resol colour stabilizer, and this colour stabilizer has reduced above-mentioned these problems and in the finished product, do not transmitted undesirable characteristic.
Summary of the invention
In one aspect, what the present invention is directed to is a kind of abrasive article of colour stable, and this abrasive article comprises: phenolic resin adhesive, colour stabilizer, tinting material and abrasive grain.Colour stabilizer comprises at least one acrylate.
In yet another aspect, what the present invention is directed to is a kind of method of the abrasive article of manufacturing colour stable, and the method comprises the following steps: a kind of resole and a kind of colour stabilizer are carried out to blend to form a kind of soluble phenolic resin composite; Multiple abrasive particles are contacted with this soluble phenolic resin composite; And this soluble phenolic resin composite is solidified to produce the abrasive article of this colour stable.Colour stabilizer comprises at least one acrylate.
In yet another aspect, what the present invention is directed to is the method on a kind of grinding work-piece surface, and the method is included in a kind of grinding in motion and the abrasive article of colour stable is applied in to a workpiece surface to remove a part of this workpiece surface.This abrasive product comprises having the binding agent of resol, the colour stabilizer that comprises at least one acrylate and abrasive grain.
Therefore phenolic resin bonded abrasive material and a kind of method for the manufacture of this type of abrasive material of stable color are provided, and this class abrasive material is resisted the colour-change with the passing of time and in the time being exposed to high temperature and has been maintained the physical strength of resol.
Brief Description Of Drawings
From being clearly to foregoing the more specific description of exemplary of the present invention below, these embodiments are as shown in accompanying drawing, wherein run through the similar reference symbol of these different views and refer to identical part.These figure need not to be pro rata, show in multiple embodiments of the present invention but focus on.
Fig. 1 is the schematic diagram of the sectional view of an embodiment of the abrasive tool of coating of the present invention.
Fig. 2 is the schematic diagram of the sectional view of another embodiment of the abrasive tool of coating of the present invention.
Detailed description of the invention
The content of teaching of all patents of quoting at this, the application of announcement and reference is combined in this in full with it by reference.Specifically the people's such as Everts title is that the United States serial 61/199,472 (this application and the application submit to simultaneously) of " Carboxylic Acid Ester Color-stabilized Phenolic Bound Abrasive Products and Methods for Making Same " is combined in this in full with it by reference.
The present invention relates to comprise the abrasive article of phenolic resin adhesive, this binding agent carrys out stable color by acrylate.The abrasive article of this stable color further comprises a kind of tinting material and abrasive grain.As used in this, if a kind of abrasive article or resin solidify after approximately 8 hours and equally after curing approximately 2 hours under approximately 235 °F with it to have in essence a same color under approximately 235 °F, it is just considered to " colour stable " so.
Term " resol " refers to any resinous reaction product of a kind of phenol (as phenol (as phenyl methylcarbamate, xylenol, p-tert-butylphenol and p-phenyl phenol) and the analogue of phenol, Resorcinol, alkyl replacement) and a kind of aldehyde (as formaldehyde, acetaldehyde and furtural and analogue)." resol of the alkali metal hydroxide catalysis of stable color " refers to and a kind ofly carrys out curing alkali metal hydroxide resol stable color, a kind of by colour stable agent.
These abrasive products be characterised in that there is a kind of phenolic resin adhesive, one or more acrylate colour stabilizers, one or more optional tinting materials, abrasive grain, support member or backing, and may further include solidifying agent class, non-reacted thermoplastic resin class, weighting agent class, grinding aid class and other additive kinds.
manufacture structure and the method for abrasive article
In one embodiment, the abrasive article of this colour stable comprises: phenolic resin adhesive, colour stabilizer and abrasive substance.The abrasive article of colour stable can be bonding, structurized, also or apply abrasive material.
The abrasive tool of coating of the present invention can comprise a kind of substrate, a kind of abrasive substance and this abrasive substance is remained on to this suprabasil at least one phenolic resin adhesive.As used herein, term " abrasive tool of coating " comprises a kind of nonwoven abrasive tool.This abrasive substance, such as abrasive material pellet, particle or their coacervate, for example for example may reside in the layer of abrasive tool of coating, in (, resin-abrasive material) or two layers, in (, making coating and size coat).The example of the abrasive tool of this type of coating that can manufacture by these methods of the present invention has been shown in Fig. 1 and Fig. 2.Referring to Fig. 1, in the abrasive tool 10 of coating, the substrate optional back of the body size coat 16 of 12 use and optional pre-size coat 18 are processed.What cover this optional pre-size coat 18 is to make coating 20, has used abrasive substance 14, such as abrasive grain or particle in this making coating.Size coat 22 is to be optionally applied in to make on coating 20 and abrasive material 14.What cover size coat 22 is optional super size coat 24.Depend on their application-specific, the abrasive tool 10 of coating can comprise or can not comprise back of the body size coat 16 and/or pre-size coat 18.Similarly, depend on their application-specific, the abrasive tool 10 of coating can comprise or can not comprise size coat 22 and/or super size coat 24.Shown in Fig. 2 is the example of the abrasive tool of the coating that can form by these methods of the present invention, and the abrasive tool 30 wherein applying comprises a single binding agent/abrasive material 32 and the optional back of the body size coat 16 with a kind of abrasive substance and (one or more) tamanori.Optionally, in the abrasive tool 30 of coating, can comprise pre-size coat 18, size coat 22 and super size coat 24 as shown in Figure 1.The abrasive article of this coating can comprise a kind of phenolic resin adhesive of colour stable at least one layer that is selected from lower group, and this group is made up of the following: binding agent-abrasive material, back of the body size coat, pre-size coat, making coating, size coat and super size coat.
Comprising in the embodiment of size coat and super size coat, as shown in Figure 1, abrasive substance can be used discretely by gravity, electrostatic precipitation, airflow, or together with polyurethane adhesives composition as slurry.Make coating 20 abrasive substance is bonded on the surface of this substrate, and can not have the phenolic resin adhesive of abrasive grain to flood this support substrate by use to form.
In the embodiment of Fig. 2, support that substrate can be that use comprises that a kind of resin/abrasive slurries of abrasive substance and resin combination floods to form a binding agent/abrasive material 32, this resin combination comprises a kind of phenolic resin adhesive and a kind of colour stabilizer.
In one embodiment, a kind of method of the abrasive article of manufacturing colour stable comprises: by a kind of resole with comprise that a kind of colour stabilizer of at least one acrylate carries out blend to form a kind of soluble phenolic resin composite; Multiple abrasive particles are contacted with this soluble phenolic resin composite; And this soluble phenolic resin composite is solidified to produce the abrasive product of this colour stable.Except the abrasive material of above-mentioned these coatings, the abrasive article of the colour stable being formed by this method comprises the abrasive material of for example structurized abrasive material and bonding.
About structurized abrasive material, by any article that form in those technology that are known in the art, wherein the structure of abrasive material was shaped before solidifying.This type of technology comprises for example embossing technology.In one embodiment, for example a kind of mixture of phenolic resin adhesive, acrylate colour stabilizer, optional tinting material and abrasive grain can contact with a backing and a means of production, and wherein this mixture is bonded on a surface of this backing.Therefore formed abrasive construction, these structures have the shape of the internal surface of means of production.
The abrasive article of a bonding can form by preparing a kind of coacervate, and this coacervate comprises phenolic resin adhesive, acrylate colour stabilizer, optional tinting material and abrasive grain.Thereby then with any abrasive material that makes this coacervate shaping prepare a kind of bonding in techniques known in the art.For the preparation of the applicable technology of abrasive material of bonding at 5,738,696 of for example Wu; The people's such as Wu 5,738,697; And the people's such as Bright 6,679,758 U.S. Patent numbers; And be further illustrated in the U.S. Patent Publication No. 2003/0192258A1 of Simon, these each full contents are combined in this by reference.
By grinding a workpiece surface to remove a part of this workpiece surface a kind of abrasive article of colour stable being applied on a workpiece surface in grinding motion.
phenolic resin adhesive
The typical resol using is in the present invention resole, and it is from phenol: formaldehyde is mol ratio and the phenol of about 1: 1 to about 1: 3 mole: the alkali metal hydroxide catalyzed reaction of the phenol of the mol ratio that alkali metal hydroxide is about 1: 1 to about 100: 1 and formaldehyde obtains.The color of the resol of this type of resole or base catalysis is by adding one or more acrylate to be stablized.The Durez Varcum resin of being manufactured by Durez Corporation is for No. 94908 to be used as a kind of based on example water, single-stage liquid phenolic resin of binding agent.Other examples are provided in following table 1.
table 1: phenolic resin adhesive
| Resin code | Retailer |
| HRJ15881 | SI |
| HRJ15993 | SI |
| HRJ16051 | SI |
| 94-908 | Durez |
| 13537 | Hexion |
| 29-777 | Durez |
| 29-778 | Durez |
| 43575 | Durez |
| 5408 | GP |
| 5410 | GP |
| 29-382 | Durez |
| 80-5080A | Ardin |
| 80-5078 | Ardin |
| 80-5046A | Ardin |
colour stabilizer
Comprise acrylate for colour stabilizer of the present invention.The example of acrylate comprises ethyl propenoate, epoxy acrylate, five acrylate (pentacrylate) and Viscoat 295 (TMPTA).Depend on other components that exist in formula, the optimum quantity of the acrylate existing in binder formula can change.In certain embodiments, the per-cent of acrylate resin can be by the weighing scale of resol approximately 2% and approximately between 60%, by the weighing scale of resol approximately 5% and approximately between 60%, by the weighing scale of resol approximately 10% and approximately between 60% or by the weighing scale of resol approximately 7% and approximately between 15%.
For example, comprise that at resol formula, in multiple embodiments of superoxide or ultraviolet photosensitive initiator, as described further below, acrylate preferably exists with larger per-cent, as by weight approximately 10% and approximately between 60%.Acrylate resin can with multiple embodiments of reactive modified phenolic resin in, acrylic acid per-cent can be by weight approximately 5% and approximately between 60%.
In one embodiment, colour stabilizer is one or more acrylate resins with the high functionality of multiple acrylic acid groups (as five acrylate and Viscoat 295 (TMPTA)).Other applicable resins comprise methyl lactate, ethyl lactate, lactic acid n-propyl ester, n-Butyl lactate, epoxy acrylate and 2-ethylhexyl lactate.
In another embodiment, these one or more acrylate resins are a kind of water soluble resins, as the TMPTA of ethoxylation.As described in this, term " water miscible " refers in water consolute.In another embodiment, these one or more acrylate resins are not water miscible.Insoluble acrylate resin can be to exist to the about value between 15% approximately 2% by weight.In some embodiments, composition further comprises a kind of cosolvent, as ethylene glycol.Optionally, can add the vitamin-E between 1% and 20% and C by the weighing scale of resin.
It is believed that multiple acrylate given colour stability by react (they otherwise can be oxidized and form dark quinine structure) with Phenoxy radical for resol.Reaction 1 and 2 representatives it is believed that an example of the mechanism that can occur in the time there is not acrylate in resol, and reaction 3 has represented a replacement scheme of the reaction 2 occurring in the time there is acrylate.
In reaction 1, phenol is at alkaline medium intermediate ion, thereby formed phenol ion and a kind of corresponding Phenoxy radical resonance structure.
In reaction 2, Phenoxy radical has experienced Quick Oxidation in alkali, thereby has formed a kind of quinone structure of dark color.
In reaction 3, Viscoat 295 reacts with Phenoxy radical, has prevented the formation of dark quinine part, thereby has obtained a kind of resin of colour stable.Acrylic ester repeat units has also been indicated as this polymkeric substance to the combination in the network of resol and has given toughness.
tinting material
This abrasive product can comprise a kind of tinting material, for example dyestuff or pigment.Generally, a part for this tinting material can be to see through curing resin and visible.In some embodiments, a part for tinting material be included in this curing resin, in a coating in a kind of optional support substrate and/or between this optional support substrate and this curing resin.In multiple specific embodiments, this tinting material can comprise organic multi-ring dye, organic monoazo-dyes, organic diazotizing dyes, organometallic complex, mineral dye (as metal oxide or complex compound).Dyestuff can be purple cyclic ketones, anthraquinone, azoic dyestuff complex compound and thioindigo.
Fluorescent colorant is dyestuff or the pigment that comprises fluorescence organic molecule.The detailed description of fluorescent colorant can be at Zollinger, H., " Color Chemistry:Synthesis, Properties, and Applications of organic Dyes and Pigments ", 2
nded., VCH, New York, finds in 1991, and it is all taught content and is combined in by reference this.As used in this, fluorescent colorant for example can be: Xanthene, thioxanthene, fluorenes (for example fluorescein, basic rhodamine, eosin, phloxine, soluble fluorescent Huang, amber essence (succineins), asccharin (sacchareins), red basic dyestuff (rosamines), and sulfuric acid closes rhodol), naphthylamines, naphthalimide, aphtholactam (naphtholactam), azalactones, methyne, oxazine, thiazine, chromene, tonka bean camphor, keto-amine, anthraquinone, iso-violanthrone, anthrapyridone, pyramine (pyranine), pyrazolone, benzothiazine, perylene, or thioindigo.More preferably, fluorescent colorant is to select lower group, and this group is made up of the following: Xanthene, thioxanthene, cumarone, tonka bean camphor, keto-amine, anthraquinone, iso-violanthrone, anthrapyridone, pyramine, pyrazolone, benzothiazole, thioindigo and fluorenes.Most preferably, this fluorescent colorant is thioxanthene or thioxanthene.
It will be appreciated by the skilled addressee that for many commercially available tinting materials, in a classification, the independent derivative of specific chemical structure (for example thioxanthene derivative) may not be openly obtainable.Therefore, specific fluorescent colorant is called with Colour Index (C.I.) name typically, as at " Colour Index International " 4
thed.American Association of Textile Chemists and Colorists, Research Triangle Park, NC, defined in 2002.Colour Index is existing on the net
www.colour-index.orgalso be obtainable.Whole contents of teaching of Colour Index are combined in this by reference.
The example of preferred fluorescent colorant comprises C.I. solvent orange 63 (Hostasol Red GG, Hoechst AG, Frankfurt, Germany), C.I. solvent yellow 98 (Hostasol Yellow 3G, Hoechst AG, Frankfurt, and C.I. solvent orange 118 (FL orange SFR Germany), Keystone Aniline Corporation, Chicago, Illinois).
Operable tinting material amount depends on other components in feature, the composition of details, tinting material of desired use, etc.How those of ordinary skill in the art go to judge these details to determine the amount for a kind of tinting material of concrete purposes by understanding.Typically, the amount of tinting material is a weight fraction that is whole compositions, this weight fraction be approximately 0.01% and approximately between 2%, more preferably approximately 0.05% and approximately between 0.5% and most preferably approximately 0.2%.
In multiple specific embodiments, tinting material is the tinting material of red, orange, yellow, green, blue, Indigo or purple.In multiple specific embodiments, tinting material is fluorescence, for example, be fluorescein, fluorescent orange (flame orange), fluorescent yellow, fluorescence green or similar color.
Tinting material can be for indicating abrasive product, for example for commercial mark, for use instruction (as wet, do, timber, metal or similar content) or for indicating gravel size or similar content.
abrasive grain
Abrasive grain can comprise any or a kind of combination of following particle, these particles are including, but not limited to silica, oxide compound, silicon carbide, garnet, diamond, cubic boron nitride (CBN), silicon nitride, cerium dioxide, titanium dioxide, TiB2, norbide, stannic oxide, wolfram varbide, titanium carbide, ferric oxide, chromic oxide, flint and the silicon carbide of aluminum oxide (melting or sintering), zirconium white, zirconium white/aluminum oxide.For example, these abrasive grains can be selected from lower group, and this group is made up of the following: alumina zirconia, cerium dioxide, TiB2, norbide, flint, silicon carbide, aluminum oxynitride and their blend of silica, aluminum oxide, zirconium white, silicon carbide, silicon nitride, boron nitride, garnet, diamond, congruent melting.In some instances, can use the intensive abrasive grain mainly being formed by α-aluminum oxide and/or gamma-alumina.
These abrasive grains can also comprise abrasive agglomerate particle, and it is also referred to as the abrasive grain of reunion.Abrasive agglomerate particle comprises the abrasive particle being sticked together by particle bond agent material.Be present in these abrasive particles in abrasive agglomerate particle and can comprise one or more of the following abrasive material that becomes known for using in abrasive tool, for example, as oxide-based, silicon carbide, garnet, diamond, cubic boron nitride (CBN), silicon nitride, cerium dioxide, titanium dioxide, TiB2, norbide, stannic oxide, wolfram varbide, titanium carbide, ferric oxide, chromic oxide, flint, silicon carbide and their multiple combination of: silica, aluminum oxide (melting or sintering), zirconium white, zirconium white/aluminum oxide.Abrasive particle can have any size or shape.Abrasive agglomerate particle can stick together by particle binder material, and this particle binder material for example combines as the one of metal, organic or vitreous material or this class material.In the people's such as Knapp U.S. Patent number 6,797,023, further illustrate and be suitable for abrasive agglomerate particle of the present invention, the full content of this patent is combined in this by reference.
The example that these abrasive grains can also have one or more special these special shapes of shape comprises: bar-shaped, trilateral, pyramid, taper, solid spherical, hollow ball shape and analogous shape.Alternately, these abrasive grains can be irregular shapings.
Typically, these abrasive grains have the mean particle size that is not more than 2000 microns, for example, as being not more than approximately 1500 microns.In another example, abrasive grain is to be not more than approximately 750 microns, as is not more than approximately 350 microns.In some embodiments, abrasive grain can be at least 0.1 micron, as from approximately 0.1 micron to approximately 1500 microns, and is more typically from approximately 0.1 micron to approximately 200 microns, or from approximately 1 micron to approximately 100 microns.The granularity of these abrasive grains is typically indicated as being the longest dimension of this abrasive grain.Generally speaking, there is a particle size distribution.In some instances, size-grade distribution is strict control.
support member/backing
Abrasive article can comprise a kind of support member or backing.Backing can be flexible or rigidity.Backing can be made up of any amount of differing materials, and they are included in the manufacture of abrasive material of coating routinely as those of backing.Applicable backing can comprise: polymeric film (for example, the film of primer), for example, as polyolefin film (, polypropylene, comprise Biaially oriented polypropylene), polyester film (for example, polyethylene terephthalate), polyamide membrane or cellulose ester membrane; Tinsel; Mesh material; Foam (for example, natural sponge material or polyurethane foam); Cloth (for example, weaving, nonwoven, napping, linear slit combination or quilting or by comprising the fiber of polyester, nylon, silk, cotton, polyester-cotton blend or regenerated fiber or the cloth that yarn is made); Paper; Vulcanized fiber paper; Rigidified rubber; Vulcanized fiber; Nonwoven material; The backing of their processing; Or their arbitrary combination.
Backing can have at least one in soaker, pre-sizing material layer or the gum bed of material.The object of these layers is typically in order to seal this backing or in order to protect yarn or the fiber in backing.If this backing is a kind of cloth material, so typically use at least one in these layers.In the front of backing also or the surface that adds pre-sizing material layer or the gum bed of material can produce in addition one " more level and smooth ", the back side.Can also use other optional layer (for example, tie layers known in the art; Referring to the people's such as Stoetzel U.S. Patent number 5,700,302, its full content is combined in this by reference).
In some embodiments, these abrasive articles are intended to as fine grinding material and therefore preferred a kind of very level and smooth surface.The example of this smooth-flat-surface backing comprises paper, the plastics film of meticulous calendering or has the fabric of smooth-flat-surface coating.
Backing can have anlistatig characteristic.Add antistatic material can reduce abrasive article to build up the trend of static in the time of the material of polishing timber or similar wood.Additional detail about antistatic backing and backing processing can be at the people's such as such as Buchanan U.S. Patent number 5,108,463; The people's such as Buchanan 5,137,542; 5,328,716 of Buchanan; And the people such as Buchanan 5,560,753 in find, these full content is combined in this by reference.
Backing can comprise a kind of fibrous, strengthen thermoplastics, for example, as the U.S. Patent number 5 people such as Stout, 417, in 726, illustrate, or comprise that one is not interrupted, jointless band part, for example, as the U.S. Patent number 5,573 people such as Benedict, in 619, illustrate, these full content is combined in this by reference.Similarly, backing can comprise a kind of substrate of polymer-type, and this substrate has from wherein outstanding hook link, and for example, as what illustrate in the U.S. Patent number 5,505,747 people such as Chesley, its full content is combined in this by reference.Similarly, backing can comprise a kind of endless fabric, and for example, as what illustrate in the U.S. Patent number 5,565,011 people such as Follett, its full content is combined in this by reference.
other components
Abrasive article of the present invention can also comprise the component that other are different, as curing additive class, non-reacted thermoplastic resin class, weighting agent class, grinding aid class; And other additive kinds.
In some embodiments, this abrasive article comprises a kind of curing additive, and as a kind of photoinitiator, for example, in the time being exposed to radiation (UV radiation), it produces free radical.Free radical generation material can comprise organic peroxide, azo compound class, quinones, diphenylketone class, nitroso compound class, acryl halogenide class, hydrazone class, sulfhydryl compound class, pyrylium compound class, three acyl group imidazoles, diimidazole class, chlorine alkyl triazines, st-yrax ethers, benzil ketals class, thioxanthene ketone and acetophenones, comprises the derivative of this compounds.Among these, the most frequently used photoinitiator is: benzil ketals as 2,2-dimethoxy-2-phenyl methyl phenyl ketone (
under 651 trade marks, can obtain from Ciba Specialty Chemicals) and acetophenone derivs as 2,2-diethoxy acetophenone (" DEAP ", commercially available from First Chemical Corporation), 2-hydroxy-2-methyl-1-phenyl-propane-1-ketone (" HMPP ",
can be commercially available from Ciba Specialty Chemicals under 1173 trade marks), 2-phenmethyl-2-N, N-dimethylamino-1-(4-morpholino phenyl)-1-butanone (
can be commercially available from Ciba Specialty Chemicals under 369 trade marks); And 2-methyl isophthalic acid-(4-(methylthio group) phenyl)-2-morpholino propane-1-ketone (
under 907 trade marks, can obtain from Ciba Specialty Chemicals).
These abrasive articles can comprise a kind of non-reacted thermoplastic resin, for example, as polypropylene glycol, polyoxyethylene glycol and Pluronic L121.
Weighting agent class comprises organic filler, inorganic filler and nano-filled dose.The example of applicable weighting agent is including, but not limited to metal carbonate, as calcium carbonate and sodium carbonate; Silica, as quartz, granulated glass sphere, glass envelope; Silicate, as talcum, clay, calcium metasilicate; Metal sulfate, as barium sulfate, calcium sulfate, Tai-Ace S 150; Metal oxide, as calcium oxide, aluminum oxide; Aluminum trihydrate, and their multiple combination.
These abrasive articles can comprise that a kind of grinding aid is to increase mill efficiency and stock removal rate.Useful grinding aid can be inorganic, as a kind of halogen, and for example sodium cryolite and potassium tetrafluoroborate; Or organic bases, for example, as the wax of chlorination, polyvinyl chloride.In a specific embodiment, abrasive article comprises sodium aluminum fluoride and potassium tetrafluoroborate, and their size range is from approximately 1 micron to approximately 80 microns, the most typically from approximately 5 microns to approximately 30 microns.In one is made coating, the concentration of grinding aid is to be not more than generally about 50wt%, the concentration of for example grinding aid is normally from about 0.1wt% to 50wt%, and typically the most about 10wt% to 30wt% (all wt% are the weight of making coating based on comprising abrasive grain).
The example of additional additive comprises: coupling agent class, for example, as silane coupling agent (A-174 and the A-1100 that can obtain from Osi Specialties Inc.), titanate and zircoaluminate; Static inhibitor class, as graphite, carbon black and analogue; Suspending agent, as fumed silica, for example Cab-O-Sil M5, Aerosil 200; Anti-load agent class, as Zinic stearas and calcium stearate; Lubricant class, as wax, PTFE powder, polyoxyethylene glycol, polypropylene glycol and polysiloxane; Wetting agent class; Pigment class; Dispersion agent class; And defoamer class.
example
Now will by following instance, present invention is described further and definitely, these examples are not intended to limit.
example 1:
Four kinds of phenol resin compositions are prepared.Each composition has comprised the component shown in table 2.
table 2
| Material | LBS | Per-cent |
| Resin PF Prefere 80-5080A | 21.0 | 20.9％ |
| Pigment Elcom orange SK | 2.8 | 2.8％ |
| Nalco 2341 defoamers | 0.1 | 0.1％ |
| Solmad Daxad 11 | 1.7 | 1.7％ |
| Solmod Cab-o-sil | 0.1 | 0.1％ |
| Weighting agent Solvay Type A KBF4 | 64.5 | 64.3％ |
| TMPTA | 2.3 | 2.3％ |
| Water | 7.9 | 7.9％ |
| 100.3 | 100.0％ |
In addition, the different acrylate of formula 2 to 4 each self-contained same amounts.Following table 3 is illustrated in the amount of the acrylate existing in each formula.
table 3
15
In table, illustrated, the composition that comprises these acrylate is exposed to and adds while hankering in solidification process, to the resistance that darkened.Particularly, find that five acrylate and TMPTA are the most effective in the color of stablizing resol.
equivalent
Although the present invention has been carried out to concrete displaying and explanation by reference to exemplary of the present invention, but those skilled in the art are to be understood that, not deviating under the prerequisite of the scope of the present invention that appending claims contains, can make in form and details different changes to these embodiments.
Claims (15)
1. an abrasive article for colour stable, comprising:
A) binding agent, this binding agent comprises a kind of resol;
B) colour stabilizer, this colour stabilizer comprises at least one acrylate; And
C) abrasive grain,
The abrasive article of wherein said colour stable refers under 235 °F to solidify after 8 hours equally after curing 2 hours under 235 °F with it have article of same color in essence.
2. the abrasive article of colour stable as claimed in claim 1, wherein this resol is a kind of resole.
3. the abrasive article of colour stable as claimed in claim 1, wherein this colour stabilizer is to exist with the value between 2% and 60% by weight.
4. the abrasive article of colour stable as claimed in claim 1, wherein this colour stabilizer is to exist with the value between 7% and 15% by weight.
5. the abrasive article of colour stable as claimed in claim 1, wherein this colour stabilizer is to be selected from a kind of acrylate of lower group, and this group is made up of the following: ethyl propenoate, epoxy acrylate, five acrylate and Viscoat 295 (TMPTA).
6. the abrasive article of colour stable as claimed in claim 1, wherein this acrylate comprises the Viscoat 295 of ethoxylation.
7. the abrasive article of colour stable as claimed in claim 6, further comprises a kind of ethylene glycol cosolvent.
8. the abrasive article of colour stable as claimed in claim 1, wherein this acrylate comprises the insoluble acrylate resin of a kind of water, this acrylate resin is to exist with the value between 2% and 15% by weight.
9. the abrasive article of colour stable as claimed in claim 5, wherein this acrylate is to exist with the value between 5% and 60% by weight.
10. the abrasive article of colour stable as claimed in claim 5, wherein this acrylate is to exist with the value between 10% and 60% by weight.
The abrasive article of 11. colour stables as claimed in claim 5, wherein this acrylate can react with this resol.
The abrasive article of 12. colour stables as claimed in claim 1 solidifies after 8 hours with respect to the same article after curing 2 hours under 235 °F under 235 °F, visually there is no appreciable colour-change.
The abrasive article of 13. colour stables as claimed in claim 1, wherein this phenolic resin adhesive and colour stabilizer are to be present at least one layer that is selected from lower group, and this group is made up of the following: binding agent-abrasive material, back of the body size coat, pre-size coat, making coating, size coat and super size coat.
Manufacture the method for the abrasive article of colour stable for 14. 1 kinds, the method comprises the following steps:
A) by a kind of resole with comprise that a kind of colour stabilizer of at least one acrylate carries out blend to form a kind of soluble phenolic resin composite;
B) multiple abrasive particles are contacted with this soluble phenolic resin composite; And
C) this soluble phenolic resin composite is solidified to produce the abrasive article of this colour stable,
The abrasive article of wherein said colour stable refers under 235 °F to solidify after 8 hours equally after curing 2 hours under 235 °F with it have article of same color in essence.
15. 1 kinds of methods for grinding work-piece surface, the method is included in a kind of grinding and in motion, the abrasive article of colour stable is applied on a workpiece surface to remove a part of this workpiece surface, and this abrasive product comprises:
A) binding agent, this binding agent comprises a kind of resol;
B) colour stabilizer, this colour stabilizer comprises at least one acrylate; And
C) abrasive grain,
The abrasive article of wherein said colour stable refers under 235 °F to solidify after 8 hours equally after curing 2 hours under 235 °F with it have article of same color in essence.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19947108P | 2008-11-17 | 2008-11-17 | |
| US61/199471 | 2008-11-17 | ||
| PCT/US2009/064547 WO2010057076A2 (en) | 2008-11-17 | 2009-11-16 | Acrylate color-stabilized phenolic bound abrasive products and methods for making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102272258A CN102272258A (en) | 2011-12-07 |
| CN102272258B true CN102272258B (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980153958.1A Expired - Fee Related CN102272258B (en) | 2008-11-17 | 2009-11-16 | Acrylate color-stabilized phenolic bound abrasive products and methods for making same |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20100227531A1 (en) |
| EP (1) | EP2367894A4 (en) |
| CN (1) | CN102272258B (en) |
| AU (1) | AU2009313815A1 (en) |
| BR (1) | BRPI0921160A2 (en) |
| CA (1) | CA2743808A1 (en) |
| MX (1) | MX2011005166A (en) |
| WO (1) | WO2010057076A2 (en) |
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| KR101277637B1 (en) * | 2008-11-17 | 2013-06-25 | 생-고벵 아브라시프 | Carboxylic acid ester color-stabilized phenolic resin bound abrasive products and methods for making same |
| EP2830829B1 (en) * | 2012-03-30 | 2018-01-10 | Saint-Gobain Abrasives, Inc. | Abrasive products having fibrillated fibers |
| DE102013103643B4 (en) * | 2013-04-11 | 2019-11-07 | Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg | Grinding tool and use of a grinding tool |
| US20150072594A1 (en) * | 2013-09-09 | 2015-03-12 | Apple Inc. | Method for detecting a polishing compound and related system and computer program product |
| CN104448998B (en) * | 2014-12-31 | 2017-01-25 | 东莞光群雷射科技有限公司 | Laser water transfer-printing stained paper color layer coating as well as preparation method and application thereof |
| FR3041650B1 (en) * | 2015-09-30 | 2017-10-20 | Commissariat Energie Atomique | LUMINESCENT SUBSTRATE CONTAINING ABRASIVE PARTICLES, AND PROCESS FOR PREPARING THE SAME |
| CN105500182B (en) * | 2015-11-26 | 2017-07-28 | 江苏锋芒复合材料科技集团有限公司 | A kind of environment-friendly and energy-efficient high-performance multiple grinding piece |
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- 2009-11-16 WO PCT/US2009/064547 patent/WO2010057076A2/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102272258A (en) | 2011-12-07 |
| AU2009313815A1 (en) | 2010-05-20 |
| MX2011005166A (en) | 2011-06-17 |
| WO2010057076A3 (en) | 2010-07-08 |
| EP2367894A2 (en) | 2011-09-28 |
| EP2367894A4 (en) | 2015-03-04 |
| US20100227531A1 (en) | 2010-09-09 |
| CA2743808A1 (en) | 2010-05-20 |
| WO2010057076A2 (en) | 2010-05-20 |
| BRPI0921160A2 (en) | 2016-02-23 |
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