CN104093921A - Flooring having PLA layer - Google Patents

Flooring having PLA layer Download PDF

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Publication number
CN104093921A
CN104093921A CN201380008000.XA CN201380008000A CN104093921A CN 104093921 A CN104093921 A CN 104093921A CN 201380008000 A CN201380008000 A CN 201380008000A CN 104093921 A CN104093921 A CN 104093921A
Authority
CN
China
Prior art keywords
layer
floor
top layer
pla
basic unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380008000.XA
Other languages
Chinese (zh)
Inventor
金智雄
金圭烈
金哲显
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LX Hausys Ltd
Original Assignee
LG Hausys Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Hausys Ltd filed Critical LG Hausys Ltd
Publication of CN104093921A publication Critical patent/CN104093921A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24066—Wood grain
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer

Abstract

Disclosed therein is a flooring, which can secure environment-friendliness by forming a surface layer laminated on an upper face of a base layer using PLA (Poly Lactic Acid) resin instead of wood, easily provide a handcraft surface texture by applying a curved pattern onto the surface of the surface layer using embossing rollers at the time that the surface layer is manufactured, and prevent compression, scratches, discoloration, and so on in comparison with woods. The flooring constructed on a floor of a building includes: a base layer (110) made from one of an MDF, an HDF, and a plywood; and a surface layer (130) having a reinforced layer (131), a printed layer (133), and a transparent layer (135) which are laminated on an upper face of the base layer (110) in order, at least one of the layers being made of PLA (Poly Lactic Acid) resin. A curved pattern (137) is formed on an upper face of the surface layer (130).

Description

The floor with PLA layer
Technical field
The present invention relates to a kind of floor, more specifically, relate to a kind of be easy to provide manual effect with strengthen floor self-faced texture and can be against pressure, the floor of scratch and anti-variable color etc.
Background technology
Generally speaking, laying floor is the concrete surface being laid on Indoor environment floor in order to cover and to decorate, thereby presents high-grade indoor environment and the effect of natural wood texture is provided.
Along with the development of plywood production technology, the use of hardwood is increased, and, the various veneers with superperformance can be provided.Veneer is produced by following steps: by hardwood wear down, but not directly hardwood is cut into timber or sheet material; Cut described veneer; Mode laminated web with wood grain each other in right-angle array; Plate body with the bonding thin plate of adhesive with formation predetermined thickness.
The veneer of producing by above-mentioned steps is not yielding, this be because, compare with the veined plank of tool, its grain direction is different, and the veneer of producing by above-mentioned steps can provide the tolerance of all directions of increase.Yet the problem of described veneer is, because its feature because of production method does not have pattern, wood grain for example, thereby decorate properties is poor.
Therefore, for by veneer for floor or other constructional materialss, the surface of veneer is decorated to have the pattern that is similar to sliced veneer (sliced veneer), and with resin varnish coating adhesive plywood, thereby there is water resistance and scratch-resistant.
Example as the production method on described floor, there is a kind of like this method of producing floor: by using urea resin ornamental veneer to be bonded on the upper surface of veneer, produce plank, but the shortcoming of described plank production method is, the non-constant of cost of production increase and water resistance and heat resistance.
In addition, use the floor of timber can provide manual effect to guarantee authenticity, but be difficult to guarantee productivity ratio, reason is that manual effect realizes by hand labour.Particularly, there are some problems in plank, and described problem is, uses the sliced veneer of normally used 0.5mm to be difficult to present manual effect, is also that cost of production increases, because will use at least hardwood of 2mm.
Summary of the invention
Technical problem
Therefore; the present invention is devoted to solve the above-mentioned problems in the prior art; and the object of the invention is to; a kind of floor is provided, and described floor can use PLA (PLA) resin but not timber formation is laminated to the top layer above basic unit, thereby can guarantee environmental friendliness; can on the surface of knurling rolls on top layer, use bending pattern and manual surface texture is easily provided by using when the production top layer; and, compare with timber, can be against pressure, scratch-proof function, anti-variable color etc.
Technical scheme
To achieve these goals, the invention provides a kind of floor, described floor covering layers are on the ground of building, and described floor comprises: the basic unit of being made by one of MDF, HDF and veneer; With the top layer with the enhancement layer, printed layers and the hyaline layer that are laminated to successively above basic unit, at least one deck of described enhancement layer, printed layers and hyaline layer is made by PLA (PLA) resin, wherein, bending pattern be formed at top layer above.
Described floor provides manual surface texture by form bending pattern on top layer.
In the case, bending pattern forms by the pressing that top layer is passed through between a pair of knurling rolls, and described knurling rolls rotate by receiving the driving force of motor supply.
In addition, at least one knurling rolls has the protruding part that is arranged in the reservation shape on its outer surface, with the side by compacting top layer, forms bending pattern.
In addition, the adhesive layer of top layer by a kind of thermosetting melmac as dielectric layer be pressed in basic unit above.
In addition, top layer comprises the UV coating being laminated on its upper surface.
In addition, floor also comprises the balance layer that is placed in basic unit bottom, and described balance layer is for the curling maintenance balance to the upper and lower on floor.
Beneficial effect
Floor of the present invention can use PLA (PLA) resin but not timber formation is laminated to the top layer above basic unit; thereby guarantee environmental friendliness and reduce production costs; can be by using knurling rolls to use bending pattern on top layer and manual surface texture be easily provided when the production top layer; and; compare with timber; can be against pressure, scratch-proof function, anti-variable color etc., thereby guarantee good surface property.
Accompanying drawing explanation
Fig. 1 is the cross sectional view on floor of the present invention.
Fig. 2 is the photo that the bending pattern on floor of the present invention is shown.
Fig. 3 is the photo that the press device that is used to form bending pattern is shown.
Fig. 4 illustrates a photo that is opposite to the knurling rolls on press device.
The specific embodiment
With reference to accompanying drawing, elaborate the preferred embodiments of the invention.
In the accompanying drawings, even if identical parts are shown in different figure, its Reference numeral is also identical.
Fig. 1 is the cross sectional view on floor of the present invention, and Fig. 2 is the photo that the bending pattern on floor of the present invention is shown.
With reference to figure 1 and Fig. 2, the floor 100 of the preferred embodiment of the invention is laid on the ground of building, and comprises: basic unit 110; With there is the top layer 130 that is laminated to successively basic unit 110 enhancement layer 131, printed layers 133 and hyaline layer 135 above, at least one deck of described enhancement layer 131, printed layers 133 and hyaline layer 135 is made by PLA (PLA) resin.Bending pattern 137 be formed at top layer 130 above.
Herein, preferably bending pattern 137 forms by the following method: by top layer 130 knurling rolls (R) by a pair of rotation afterwards, suppress top layer 130.(referring to Fig. 3)
In the case, a pair of knurling rolls (R) keep predetermined interval each other, thus the pressure initiation bending pattern 137 to be scheduled to, rather than with a direction pressurize to roll top layer 130 above.In addition, at least one knurling rolls (R) have the projection (R1) that is arranged in the reservation shape on its outer surface, with the side by compacting top layer 130, form bending pattern 137.Herein, projection (R1) is preferably formed on top roll.(referring to Fig. 4)
Knurling rolls (R) along be placed on a side top layer 130 above longitudinal direction be concatenated to form bending pattern 137, by reception, be placed in the driving force that the motor (not shown) of a side of knurling rolls (R) supplies with simultaneously and rotate at a predetermined velocity.
Meanwhile, basic unit 110 provides most of predetermined thickness on floor.Described basic unit 110 can be made by one of MDF (medium density fibreboard), HDF (high density fiberboard) and veneer.As everyone knows, MDF and HDF produce as follows: hardwood is clayed into power; Glue is mixed to powder and mixture is gathered into piece; And mixture is pressed into for example veneer of plate.
More specifically, because MDF has uniform fiber at whole thickness, distribute and fine and close texture, be therefore suitable for complicated machining, and the enforcement of processing of described complicated machinery not deface or side.In addition, MDF is very suitable for covering or printed decoration film or veneer, and reason is, MDF has hard and smooth surface.In addition the material that, MDF also uses as slide rail, picture frame, molded and the floor of drawer side surface, cupboard.
HDF is widely used as substitute, furniture material and the laminate flooring of veneer, and reason is that its density is that 900kg/m and intensity are higher than MDF.
In addition, the PLA on top layer 130 (PLA) resin is lactide or lactic acid thermoplastic polyester, and can be by prepared by lactic acid polymerizes, and described lactic acid is extracted from the starch of corn, potato or other materials and prepared by fermentation.
The advantage of described PLA resin is, it can solve the problem producing because consuming oily resource, because it is reproducible, be also, the burst size of the environmentally harmful material of PLA resin still lower and comparable other resins for example vinyl chloride degrade more rapidly.
PLA resin can be divided into crystallization PLA (c-PLA) resin and unformed PLA (a-PLA) resin.Because crystallization PLA can cause plasticizing agent, flow out oozing out of sheet surface, so the present invention uses unformed PLA resin.
Preferably use 100% unformed PLA resin, but according to occasion needs, also can use the PLA resin with crystallization and undefined structure.
In addition, PLA resin can contain be used to form acrylic copolymer non-phthalic acid ester group plasticizing agent, calcium carbonate, silica gel and titanium dioxide as filler, to increase melt strength.In the case, plasticizing agent is for for providing the additive of physical property according to application target, and described physical property is processability, flexibility and other performances for example, and in the present invention, use harmless non-phthalic acid ester group plasticizing agent.
The adhesive layer 100 of the top layer 130 with above-mentioned material and structure by a kind of thermosetting melmac as dielectric layer be pressed in basic unit 110 above.
In addition, UV coating 139 be laminated to top layer 130 above, for the protection of top layer 130, with, scratch against pressure by comparing with timber, anti-variable color etc., guarantee good surface property.
In addition, floor also can comprise the balance layer (not shown) that is placed in basic unit 110 bottoms, and described balance layer is for the curling maintenance balance to the upper and lower on floor 100.
As mentioned above, floor 100 of the present invention can provide surface texture by the bending pattern 137 forming, described surface texture looks like workman and uses such as instruments such as planes the surface grinding of floor surface 130, described bending pattern 137 by the knurling rolls (R) being passed through to rotate in top layer 130 afterwards, formation is suppressed in top layer 130, therefore, floor 100 of the present invention can be to using the customer on floor 100 that manual aesthetic feeling is provided.
Although specifically present and described the present invention with reference to the preferred embodiments of the invention, but, those of ordinary skills should be understood that the present invention is not limited to above-mentioned embodiment, but can under the prerequisite that does not depart from technology purport of the present invention, make various variations.
The explanation > of main Ref. No. in < figure
100: floor 110: basic unit
120: adhesive layer 130: top layer
131: enhancement layer 133: printed layers
135: hyaline layer 137: bending pattern
139:UV coating

Claims (6)

1. be laid on the floor on constructure ground, described floor comprises:
Basic unit (110), it is made by one of MDF, HDF and veneer;
With
Top layer (130), it has and is laminated to successively basic unit (110) enhancement layer (131), printed layers (133) and hyaline layer (135) above, and at least one deck of described layer is made by PLA (PLA) resin,
Wherein, bending pattern (137) be formed at top layer (130) above.
2. the floor of claim 1, wherein, bending pattern (137) forms by the following method: by top layer (130) knurling rolls (R) by a pair of rotation afterwards, top layer (130) are suppressed.
3. the floor of claim 2, wherein, at least one knurling rolls (R) have the projection (R1) that is arranged in the reservation shape on its outer surface, to form bending pattern (137) by a side on compacting top layer (130).
4. the floor of one of claim 1-3, wherein, top layer (130) by using thermosetting melmac adhesive layer (120) as dielectric layer be pressed in basic unit (110) above.
5. the floor of claim 4, wherein, top layer (130) comprise the UV coating (139) being laminated on its upper surface
6. claim 1 or 5 floor, also comprise balance layer, and it is placed in the bottom of basic unit (110), for the curling maintenance balance to the upper and lower of floor (100).
CN201380008000.XA 2012-02-03 2013-02-04 Flooring having PLA layer Pending CN104093921A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2012-0011119 2012-02-03
KR1020120011119A KR20130090065A (en) 2012-02-03 2012-02-03 Flooring having pla layer
PCT/KR2013/000874 WO2013115617A1 (en) 2012-02-03 2013-02-04 Flooring having pla layer

Publications (1)

Publication Number Publication Date
CN104093921A true CN104093921A (en) 2014-10-08

Family

ID=48905575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380008000.XA Pending CN104093921A (en) 2012-02-03 2013-02-04 Flooring having PLA layer

Country Status (5)

Country Link
US (1) US20150050449A1 (en)
JP (1) JP2015507110A (en)
KR (1) KR20130090065A (en)
CN (1) CN104093921A (en)
WO (1) WO2013115617A1 (en)

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KR101506890B1 (en) * 2014-08-25 2015-03-31 주식회사 광성테크 Manufacture method of panel coating of UV embossing
KR101858939B1 (en) * 2018-03-20 2018-06-27 이종현 Manufacturing method for flooring having improved adhesive property

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Also Published As

Publication number Publication date
KR20130090065A (en) 2013-08-13
WO2013115617A1 (en) 2013-08-08
JP2015507110A (en) 2015-03-05
US20150050449A1 (en) 2015-02-19

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Application publication date: 20141008

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