CN104231430A - Preparation method and product of stain-resistant anti-aging wood-plastic material - Google Patents
Preparation method and product of stain-resistant anti-aging wood-plastic material Download PDFInfo
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- CN104231430A CN104231430A CN201410424245.7A CN201410424245A CN104231430A CN 104231430 A CN104231430 A CN 104231430A CN 201410424245 A CN201410424245 A CN 201410424245A CN 104231430 A CN104231430 A CN 104231430A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a preparation method of a stain-resistant anti-aging wood-plastic material, which comprises the following steps: 1) preparing the following components in parts by weight: PP (polypropylene), wood meal, chlorinated polyethylene, calcium stearate, talcum powder, nano carbon black, maleic anhydride graft polypropylene and nano montmorillonite; 2) thoroughly mixing the PP powder, wood meal, talcum powder and maleic anhydride graft polypropylene, grinding to 30 mu m below, preheating to 100-120 DEG C, sequentially adding the nano montmorillonite, nano carbon black, chlorinated polyethylene and calcium stearate, compounding uniformly, putting in a hot-pressing mold die cavity, preheating at 150-200 DEG C, closing the mold, and carrying out compression molding; and 3) cooling the hot-pressed material, pulverizing, preheating, compounding, cooling, and finally, granulating with a granulator to form the stain-resistant anti-aging wood-plastic material. The invention also discloses a stain-resistant anti-aging wood-plastic material prepared by the method.
Description
Technical field
The present invention relates to the preparation of Wood-plastic material, be specifically related to a kind of preparation method and goods of anti-soiling aging-resisting Wood-plastic material.
Background technology
At present, Wood-plastic material technology has had certain ripening degree, have also been obtained and applies widely, daily life photograph, cupboard board, the wave plate of such as floor, banister, transom, fretting map, and it also has certain application in furniture.But type product used for a long time by furniture, require that Wood-plastic material has higher mechanical property simultaneously, also must just by ageing-resistant performance, and in fire-retardant and antifouling also will required by.
Along with people's environmental consciousness is strengthened; the claimed forest reserves; reducing utilizes the cry of green lumber increasingly surging, and the waste and old wood that recycling cost is low and plastics become industry member and scientific circles' question of common concern, thus promote and promoted the research-and-development activity of Wood-plastic material.But at present, wood mould exist mechanical property lower, not ageing-resistant, easily get dirty, the easy defect such as burning, its mechanical property of process improving thus needing selection suitable, ageing-resistant performance, antifouling property are fire-retardant, significant.
Polynite (MMT) is a kind of earthy mineral of 2: 1 type layered hydrous aluminosilicates, and main component is silicon oxide and aluminum oxide, and its chemical general formula is (Al22yMgy) Si4O10 (OH)
2nH
2o.Its crystal is the three-decker that an alumina octahedral sheet is clipped between two silicon-oxy tetrahedron layers, between polynite crystal layer with Van der Waals force combine, bond energy is more weak, legibility from, can nanostructure be made it have by appropriate means.Nano material refers to the material having at least one dimension to be in nanoscale scope (little 100nm) or to be made up of as elementary cell them in three dimensions, is the material of the novel texture that development in recent years is got up.The volume effect, surface effects, quantum size effect, macro quanta tunnel effect etc. of nano material make it have many good characteristics, and nano imvite is especially for the modification of Wood-plastic material provides good support, experiment shows, it has excellent results in increase Wood-plastic material mechanical property and ageing-resistant performance.
In addition, di-hydroxyl composite metal oxidate (LDH) is an anionoid type layered inorganic functional materials, its special laminate structure makes it have the multiple special propertys such as alkalescence, negatively charged ion interchangeability, thermostability, memory effect, can be used for the aspect such as fire retardant, thermo-stabilizer, catalyzer of plastics, rubber, macromolecular material, the over-all properties of further lifting Wood-plastic material, make it flame retardant properties to promote further, thus be more applicable for the manufacturing of furniture.
Summary of the invention
For the above-mentioned deficiency of prior art, the object of the invention is to, a kind of preparation method and goods of anti-soiling aging-resisting Wood-plastic material are provided, it has excellent mechanical property, pollution resistance is good, and has well ageing-resistant, flame retardant properties, is specially adapted to the manufacturing of Wood plastic furniture.
The technical scheme that the present invention is adopted for achieving the above object is:
A preparation method for anti-soiling aging-resisting Wood-plastic material, is characterized in that, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 4-6 is scattered in parts by weight 150-200 deionized water, constant temperature 20-40min under 70-90 DEG C of condition;
1.2) CTAB taking parts by weight 1-3 is placed in the deionized water of parts by weight 20-40, under 30-40 DEG C of condition, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 80-100 DEG C, constant temperature 2-3h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 80-120 DEG C of condition, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene fully being mixed, be ground to below 30um, after preheating mixes 100-120 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 150-200 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating, mixing, again cool after mixing, granulate finally by tablets press, form anti-soiling aging-resisting Wood-plastic material.
Further, described step 3) in also comprise the steps: after preheat, add the modification LDH of parts by weight 2-4 and the acrylic resin of parts by weight 4-6, then carry out mixing together.
Described modification LDH is obtained by following steps: the Na taking NaOH and 23-26 of parts by weight 8-12
2cO
3add the deionized water proportionaling alkali-forming solution of parts by weight 140-160, take the Mg (NO of 23-26 parts by weight
3)
2with the Al (NO of parts by weight 16-20
3)
3the deionized water adding parts by weight 140-160 is made into salts solution, by two kinds of solution reactions, makes its fast nucleation, crystallization, lyophilize, obtains nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with the 3-6% of its filter cake quality, is warming up to 60-80 DEG C of vigorous stirring, then suction filtration, is drying to obtain modification LDH; Described coupling agent is silane coupling agent.
Further, described wood powder is bamboo powder, and its moisture control is within 1%.
Further, described step 2) in also comprise the steps: the glass fibre of parts by weight 10-20 together fully to mix with PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene.
Described step 3) in, cool but arrive 30-50 DEG C after granulated by tablets press.
A kind of anti-soiling aging-resisting Wood-plastic material prepared by described method.
The invention has the advantages that:
One, mechanics and the ageing-resistant performance of Wood-plastic material is improved by polynite.The mechanical property of montmorillonite layered structure to polypropylene wood-plastic has clear improvement, and the highlyest improves about 50%; Utilize CTAB as organic intercalation agent, carried out ion-exchanged process to the polynite after purifying, obtained organic montmorillonoid, be greatly improved to polypropylene wood-plastic stretching and bending property, time best, tensile strength reaches 2.56 times.Use the organo montmorillonite that cationicsurfactants is prepared into, to improving the mechanical property of polypropylene wood-plastic than the coated post-modification polypropylene wood-plastic mechanical property of traditional employing silane coupling agent to organo montmorillonite, effect is even more ideal.Nano montmorillonite modified wood plastic composite after organic-treating, before unaged and aging after flexural strength, modulus in flexure, shock strength all high than untreated nano montmorillonite modified wood plastic composite.
Two, by the interpolation of nano carbon black, Wood-plastic material can be made at anti-soil, keep the performance in quality to improve, this manufacturing with regard to making the Wood-plastic material after adding nano carbon black be specially adapted to furniture product, the product after manufacture, can put use for a long time, not easily making dirty besmirches.
Three, improved the performance of the aspects such as Wood-plastic material is fire-retardant, thermally-stabilised by layered double-hydroxide (LDH), promote the over-all properties of Wood-plastic material further, making it flame retardant properties promotes further, thus is more applicable for the manufacturing of furniture.
Embodiment
Embodiment 1
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 4-6 is scattered in parts by weight 150-200 deionized water, constant temperature 20-40min under 70-90 DEG C of condition;
1.2) take the deionized water that the CTAB of parts by weight 1-3 and cetyl trimethylammonium bromide are placed in parts by weight 20-40, under 30-40 DEG C of condition, be stirred to clarification;
1.3) by step 1.2) in CTAB solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 80-100 DEG C, constant temperature 2-3h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 80-120 DEG C of condition, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene fully being mixed, be ground to below 30um, after preheating mixes 100-120 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 150-200 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating, mixing, again cool after mixing, granulate finally by tablets press, form anti-soiling aging-resisting Wood-plastic material.
Described step 3) in also can comprise the steps: after preheat, add the modification LDH of parts by weight 2-4 and the acrylic resin of parts by weight 4-6, then carry out mixing together.
Described modification LDH is obtained by following steps: the Na2CO3 taking NaOH and 23-26 of parts by weight 8-12 adds the deionized water proportionaling alkali-forming solution of parts by weight 140-160, takes the Mg (NO of 23-26 parts by weight
3)
2with the Al (NO of parts by weight 16-20
3)
3the deionized water adding parts by weight 140-160 is made into salts solution, by two kinds of solution reactions, makes its fast nucleation, crystallization, lyophilize, obtains nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with the 3-6% of its filter cake quality, is warming up to 60-80 DEG C of vigorous stirring, then suction filtration, is drying to obtain modification LDH.Described coupling agent is silane coupling agent.
Described wood powder is bamboo powder, and its moisture control is within 1%.
Described step 2) in the glass fibre of parts by weight 10-20 also can be comprised the steps: together fully to mix with PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene.
Described step 3) in, cool but arrive 30-50 DEG C after granulated by tablets press.
The anti-soiling aging-resisting Wood-plastic material prepared by described method, can be further used as the starting material that furniture component manufactures after its injection moulding.
Embodiment 2
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides and material, it is substantially the same manner as Example 1, and its difference is, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 4 is scattered in parts by weight 150 deionized water, constant temperature 20-40min under 70 DEG C of conditions;
1.2) CTAB taking parts by weight 1 is placed in the deionized water of parts by weight 20, under 30 DEG C of conditions, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 80 DEG C, constant temperature 2h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 80 DEG C of conditions, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene fully being mixed, be ground to below 30um, after preheating mixes 100 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 150 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating, mixing, again cool after mixing, coolly but to be granulated by tablets press after 30 DEG C, form anti-soiling aging-resisting Wood-plastic material.
Embodiment 3
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides and material, it is substantially identical with embodiment 1,2, and its difference is, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 6 is scattered in parts by weight 200 deionized water, constant temperature 40min under 90 DEG C of conditions;
1.2) CTAB taking parts by weight 3 is placed in the deionized water of parts by weight 40, under 40 DEG C of conditions, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 100 DEG C, constant temperature 3h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 120 DEG C of conditions, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene fully being mixed, be ground to below 30um, after preheating mixes 120 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 200 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating, mixing, again cool after mixing, coolly but to be granulated by tablets press after 40 DEG C, form anti-soiling aging-resisting Wood-plastic material.
Embodiment 4
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides and material, itself and embodiment 1-3 are all substantially identical, and its difference is, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 4-6 is scattered in parts by weight 150-200 deionized water, constant temperature 20-40min under 70-90 DEG C of condition;
1.2) CTAB taking parts by weight 1-3 is placed in the deionized water of parts by weight 20-40, under 30-40 DEG C of condition, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 80-100 DEG C, constant temperature 2-3h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 80-120 DEG C of condition, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene, glass fibre fully being mixed, be ground to below 30um, after preheating mixes 100-120 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 150-200 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating; add modification LDH, acrylic resin, mixing, again cool after mixing; cool but arrive 30-50 DEG C after granulated by tablets press, form anti-soiling aging-resisting Wood-plastic material.
Described modification LDH is obtained by following steps: the Na taking NaOH and 23-26 of parts by weight 8-12
2cO
3add the deionized water proportionaling alkali-forming solution of parts by weight 140-160, take the Mg (NO of 23-26 parts by weight
3)
2with the Al (NO of parts by weight 16-20
3)
3the deionized water adding parts by weight 140-160 is made into salts solution, by two kinds of solution reactions, makes its fast nucleation, crystallization, lyophilize, obtains nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with the 3-6% of its filter cake quality, is warming up to 60-80 DEG C of vigorous stirring, then suction filtration, is drying to obtain modification LDH.Described coupling agent is silane coupling agent.
Embodiment 5
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides and material, itself and embodiment 1-4 are all substantially identical, and its difference is, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 4 is scattered in parts by weight 150 deionized water, constant temperature 20min under 70 DEG C of conditions;
1.2) CTAB taking parts by weight 1 is placed in the deionized water of parts by weight 20, under 30 DEG C of conditions, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 80 DEG C, constant temperature 2h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 80 DEG C of conditions, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene, glass fibre fully being mixed, be ground to below 30um, after preheating mixes 100 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 150 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating; add modification LDH, acrylic resin, mixing, again cool after mixing; coolly but to be granulated by tablets press after 30 DEG C, form anti-soiling aging-resisting Wood-plastic material.
Described modification LDH is obtained by following steps: take the NaOH of the parts by weight 8 and Na of 23
2cO
3add the deionized water proportionaling alkali-forming solution of parts by weight 140, take the Mg (NO of 23 parts by weight
3)
2with the Al (NO of parts by weight 16-20
3)
3the deionized water adding parts by weight 140-is made into salts solution, by two kinds of solution reactions, makes its fast nucleation, crystallization, lyophilize, obtains nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with 3% of its filter cake quality, is warming up to 60 DEG C of vigorous stirring, then suction filtrations, is drying to obtain modification LDH.Described coupling agent is silane coupling agent.
Embodiment 6
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides and material, itself and embodiment 1-5 are all substantially identical, and its difference is, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 6 is scattered in parts by weight 200 deionized water, constant temperature 40min under 90 DEG C of conditions;
1.2) CTAB taking parts by weight 3 is placed in the deionized water of parts by weight 40, under 40 DEG C of conditions, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 100 DEG C, constant temperature 3h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 120 DEG C of conditions, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene, glass fibre fully being mixed, be ground to below 30um, after preheating mixes 120 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 200 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating; add modification LDH, acrylic resin, mixing, again cool after mixing; coolly but to be granulated by tablets press after 50 DEG C, form anti-soiling aging-resisting Wood-plastic material.
Described modification LDH is obtained by following steps: take the NaOH of the parts by weight 12 and Na of 26
2cO
3add the deionized water proportionaling alkali-forming solution of parts by weight 160, take the Mg (NO of 26 parts by weight
3)
2with the Al (NO of parts by weight 16-20
3)
3the deionized water adding parts by weight 160 is made into salts solution, by two kinds of solution reactions, makes its fast nucleation, crystallization, lyophilize, obtains nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with 6% of its filter cake quality, is warming up to 80 DEG C of vigorous stirring, then suction filtrations, is drying to obtain modification LDH.Described coupling agent is silane coupling agent.
Embodiment 7
The preparation method of the anti-soiling aging-resisting Wood-plastic material that the present embodiment provides and material, itself and embodiment 1-6 are all substantially identical, and its difference is, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 5 is scattered in parts by weight 180 deionized water, constant temperature 30min under 80 DEG C of conditions;
1.2) CTAB taking parts by weight 2 is placed in the deionized water of parts by weight 30, under 35 DEG C of conditions, be stirred to clarification;
1.3) by step 1.2) in CTAB (cetyl trimethylammonium bromide) solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 90 DEG C, constant temperature 2.5h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 90 DEG C of conditions, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene, glass fibre fully being mixed, be ground to below 30um, after preheating mixes 110 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 180 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating; add modification LDH, acrylic resin, mixing, again cool after mixing; coolly but to be granulated by tablets press after 40 DEG C, form anti-soiling aging-resisting Wood-plastic material.
Described modification LDH is obtained by following steps: take the NaOH of the parts by weight 10 and Na of 25
2cO
3add the deionized water proportionaling alkali-forming solution of parts by weight 150, take the Mg (NO of 25 parts by weight
3)
2with the Al (NO of parts by weight 16-20
3)
3the deionized water adding parts by weight 150 is made into salts solution, by two kinds of solution reactions, makes its fast nucleation, crystallization, lyophilize, obtains nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with 5% of its filter cake quality, is warming up to 70 DEG C of vigorous stirring, then suction filtrations, is drying to obtain modification LDH.Described coupling agent is silane coupling agent.
Finally it should be noted that, among the component of embodiment 5-7, also can not comprise modification LDH, acrylic resin and glass fibre.
Performance test parameter for above-described embodiment 2,3,5,6,7 is as follows:
Mechanical property (testing after being shaped to strip):
| ? | Embodiment 2 | Embodiment 3 | Embodiment 5 | Embodiment 6 | Embodiment 7 |
| Tensile strength/MPa | ≥14 | ≥18 | ≥19 | ≥19 | ≥23 |
| Flexural strength/MPa | ≥35 | ≥40 | ≥45 | ≥47 | ≥50 |
Material aging is on the impact (after being shaped to strip, free warehouse ambient storage) of mechanical property:
| Tensile strength/MPa | Embodiment 2 | Embodiment 3 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Normal wood is moulded |
| 1 month | 15 | 17 | 22 | 20 | 25 | 17 |
| 6 months | 17 | 19 | 23 | 22 | 19 | 15 |
| 12 months | 13 | 15 | 18 | 18 | 18 | 7 |
| 18 months | 11 | 11 | 15 | 16 | 16 | 5 |
| 24 months | 10 | 11 | 13 | 11 | 15 | 5 |
The present invention is not limited to above-mentioned embodiment, adopts step, the component identical or approximate with the above embodiment of the present invention, and the preparation method of other anti-soiling aging-resisting Wood-plastic materials obtained and goods, all within protection scope of the present invention.
Claims (8)
1. a preparation method for anti-soiling aging-resisting Wood-plastic material, is characterized in that, it comprises the steps:
1) component of following parts by weight is prepared:
Wherein, the preparation as follows of described nano modification polynite:
1.1) polynite taking parts by weight 4-6 is scattered in parts by weight 150-200 deionized water, constant temperature 20-40min under 70-90 DEG C of condition;
1.2) CTAB taking parts by weight 1-3 is placed in the deionized water of parts by weight 20-40, under 30-40 DEG C of condition, be stirred to clarification;
1.3) by step 1.2) in CTAB solution be added drop-wise to step 1.1) in polynite solution, and rise be warming to 80-100 DEG C, constant temperature 2-3h;
1.4) suction filtration step 1.3) solution that obtains, repetitive scrubbing, until detect without precipitation with Silver Nitrate;
1.5) dry suction filtration product to constant weight under 80-120 DEG C of condition, grind to obtain modified nano montmorillonite;
2) after PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene fully being mixed, be ground to below 30um, after preheating mixes 100-120 DEG C, add nano imvite, nano carbon black, chlorinatedpolyethylene and calcium stearate successively, carry out mixing, mixing uniform material is put into hot pressing die die cavity, at 150-200 DEG C after preheating, matched moulds, carries out compression molding;
3) hot-forming material is carried out but cool, smash after cooling, after smashing, again carry out preheating, mixing, again cool after mixing, granulate finally by tablets press, form anti-soiling aging-resisting Wood-plastic material.
2. the preparation method of anti-soiling aging-resisting Wood-plastic material according to claim 1, it is characterized in that, described step 3) in also comprise the steps: after preheat, add the modification LDH of parts by weight 2-4 and the acrylic resin of parts by weight 4-6, then carry out mixing together.
3. the preparation method of anti-soiling aging-resisting Wood-plastic material according to claim 2, is characterized in that, described modification LDH is obtained by following steps: the Na taking NaOH and 23-26 of parts by weight 8-12
2cO
3add the deionized water proportionaling alkali-forming solution of parts by weight 140-160, take the Mg (NO of 23-26 parts by weight
3) 2 and Al (the NO of parts by weight 16-20
3) 3 deionized waters adding parts by weight 140-160 are made into salts solution, by two kinds of solution reactions, make its fast nucleation, crystallization, lyophilize, obtain nanometer Mg/Al-CO
3type hydrotalcite; Get a certain amount of nanometer Mg/Al-CO
3type hydrotalcite adds appropriate water and stirs, and is added by coupling agent with the 3-6% of its filter cake quality, is warming up to 60-80 DEG C of vigorous stirring, then suction filtration, is drying to obtain modification LDH.
4. the preparation method of anti-soiling aging-resisting Wood-plastic material according to claim 3, is characterized in that, described coupling agent is silane coupling agent.
5. the preparation method of anti-soiling aging-resisting Wood-plastic material according to claim 1, is characterized in that, described wood powder is bamboo powder, and its moisture control is within 1%.
6. the preparation method of anti-soiling aging-resisting Wood-plastic material according to claim 1, it is characterized in that, described step 2) in also comprise the steps: the glass fibre of parts by weight 10-20 together fully to mix with PP powder, wood powder, talcum powder, maleic anhydride inoculated polypropylene.
7. the preparation method of anti-soiling aging-resisting Wood-plastic material according to claim 1, is characterized in that, described step 3) in, cool but arrive 30-50 DEG C after granulated by tablets press.
8. the anti-soiling aging-resisting Wood-plastic material prepared by the described method of one of claim 1-7.
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| CN107082991A (en) * | 2017-06-13 | 2017-08-22 | 合肥大麦灯箱器材有限公司 | A kind of environmentally friendly anti-soiling aging-resisting high-intensity wood plastic composite material and preparation method thereof |
| WO2019061757A1 (en) * | 2017-09-26 | 2019-04-04 | 苏州市一木包装材料有限公司 | Aging-resistant wood-plastic packaging material and preparation method therefor |
| CN112175274A (en) * | 2020-11-03 | 2021-01-05 | 浙江尚元塑木制品有限公司 | Outdoor plastic-wood floor with good antifouling effect in oil pollution environment |
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| CN104231430B (en) | 2016-09-07 |
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Address after: 523000, Guangdong Province, Dongguan City, Dongcheng District province cattle Hill Industrial Park by the outer flame industrial zone Co-patentee after: GUANGDONG HONGQI FURNITURE Co.,Ltd. Patentee after: GUANGDONG HONGYUN FURNITURE Co.,Ltd. Co-patentee after: Guangdong Huasong home furnishing Group Co., Ltd Co-patentee after: Guangdong Songtai Network Technology Co.,Ltd. Address before: 523000, Guangdong Province, Dongguan City, Dongcheng District province cattle Hill Industrial Park by the outer flame industrial zone Co-patentee before: GUANGDONG HONGQI FURNITURE Co.,Ltd. Patentee before: GUANGDONG HONGYUN FURNITURE Co.,Ltd. Co-patentee before: Guangdong Huasong Furniture Group Co.,Ltd. Co-patentee before: Guangdong Songtai Network Technology Co.,Ltd. |
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