KR20130003434A - Deco-sheet comprising foaming layer - Google Patents

Deco-sheet comprising foaming layer Download PDF

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Publication number
KR20130003434A
KR20130003434A KR1020110064800A KR20110064800A KR20130003434A KR 20130003434 A KR20130003434 A KR 20130003434A KR 1020110064800 A KR1020110064800 A KR 1020110064800A KR 20110064800 A KR20110064800 A KR 20110064800A KR 20130003434 A KR20130003434 A KR 20130003434A
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KR
South Korea
Prior art keywords
layer
sheet
foam
skin layer
foam layer
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Application number
KR1020110064800A
Other languages
Korean (ko)
Inventor
이인호
지성대
유상현
한범택
강규원
Original Assignee
웅진케미칼 주식회사
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Priority to KR1020110064800A priority Critical patent/KR20130003434A/en
Publication of KR20130003434A publication Critical patent/KR20130003434A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0264—Polyester
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584—Scratch resistance

Abstract

PURPOSE: A deco-sheet with a foam layer is provided to have smooth edges and curved portions by having excellent elongation and high flexibility. CONSTITUTION: A deco-sheet with a foam layer comprises a hard coating layer(140), a first skin layer(120), base layers(110), and a second skin layer(130). A foam layer is formed between the base layers. The base layer is formed of a PED-A. The first skin layer and second skin layer are mixed with PET-G and PBT. The foam layer is formed by a heat decomposable foaming agent. The foaming agent is one or more selected from azodicarbonamide(ADCA), azobis formamide, oxy benzene sulfonyl hydrazide(OBSH) and palladium toluene sulfonyl hydrazide.

Description

Decor sheet with foam layer {Deco-sheet comprising foaming layer}

The present invention relates to a deco sheet formed with a foam layer, and more particularly, to a deco sheet capable of forming a membrane due to its excellent flexibility and stain resistance due to its improved mechanical properties.

In general, a decoration sheet (hereinafter referred to as a "deco sheet") means a sheet for expressing various decorations on furniture such as dressers, desks, and sinks.

Conventionally, decor sheets have been used using polyvinyl chloride resins and combustible polypropylene resins. However, polyvinyl chloride material is excellent in physical properties and formability, but it is inferior in durability and emits a large amount of toxic gas when incinerated, which is classified as an environmentally harmful substance. There was a problem.

In addition, polyolefin-based resins have been used as a material for replacing them, which is difficult to mold and has a poor appearance quality. The olefin resin has excellent heat resistance and mechanical strength, excellent chemical resistance, electrical insulation, and the like, and is widely used in plastic films and sheets for non-toxicity. However, due to the inherent adhesive properties, the olefinic resin may stick to the roll surface during processing of a calender, and in particular, when ductility is imparted, such as polyvinyl chloride molded article for decor sheet, the adhesion becomes more difficult and the molding is difficult. The surface and appearance quality of the product is also degraded. In addition, due to the inherent elastic modulus of the olefin-based film there is a problem that the membrane molding is impossible.

Korean Patent Publication Nos. 2002-0011290 and 2002-0011289 disclose a decorating sheet composition capable of calendering by mixing an inorganic filler, an antiblocking agent, a lubricant and a stabilizer with polypropylene and polyethylene resin, but in this case, Using an inorganic filler, the compatibility with the base (Base Resin) is lowered, the mechanical properties of the decor sheet when molding into a product, there is a problem such as poor durability and flammable burning in combustion. In addition, there is a problem of membrane molding due to the high Tg temperature, which is an inherent physical property.

Accordingly, there is a demand for the development of a decor sheet capable of forming a membrane while the decor sheet secures high flexibility, scratch resistance, and contamination resistance.

In order to solve the above problems, an object of the present invention is to provide a decor sheet capable of forming a membrane while maintaining a suitable flexibility.

Another object of the present invention is to provide an environmentally friendly decor sheet excellent in pollution resistance.

In order to achieve the above object, the present invention, in the decor sheet, the hard coating layer, the first skin layer, the base layer and the second skin layer are sequentially stacked from above, the base layer is formed of a foam layer, the base layer is PET- It is formed of A, the first skin layer and the second skin layer provides a decor sheet formed foam layer, characterized in that PET-G and PBT is mixed.

In addition, the foam layer of the present invention is formed of a thermal decomposition type foaming agent, the foaming agent is azozycal carbonamido (ADCA), azobis formamide (azobis formamide), oxy benzene sulfonyl hydrazide (oxybenzene sulfonyl hydrazide) (OBSH ), Para-toluene sulfonyl hydrazide (palladium toluene sulfonyl hydrazide) provides a decoration sheet is formed foam layer characterized in that at least one selected.

In addition, the content of the thermally decomposable blowing agent of the present invention provides a decor sheet with a foam layer, characterized in that containing 1 to 20 parts by weight based on 100 parts by weight of the base layer.

In addition, the foam layer of the present invention may further include a foaming aid, the content of the foaming aid provides a decor sheet with a foam layer, characterized in that containing 1 to 5 parts by weight based on 100 parts by weight of the base layer. .

In addition, an inorganic filler may be further included in the foam layer of the present invention. The inorganic filler may include calcium carbonate, aluminum hydroxide, magnesium hydroxide, antimony trioxide (antimon), zinc borate, and molybdenum (molybdan). It provides a decorative sheet formed foam layer, characterized in that at least one selected from the group.

In addition, the PET-G and PBT mixing ratio of the present invention provides a decorative sheet is formed foam sheet, characterized in that the molar ratio of 5.5: 4.5 to 7: 3.

In addition, the first skin layer and the second skin layer of the present invention, the PCTG is further mixed, the mixing ratio of PET-G, PBT and PCTG is foamed, characterized in that from 5: 4: 1 to 6: 3: 1 molar ratio It provides a layered decor sheet.

In addition, at least one layer of the first skin layer, the base layer and the second skin layer of the present invention may include a pigment, the pigment is a foam layer, characterized in that using any one of TiO 2 , Pigment Yellow and Pigment Blue It provides a formed decor sheet.

In addition, the thickness of the first skin layer, the base layer and the second skin layer of the present invention provides a decor sheet with a foam layer, characterized in that 200 to 400㎛.

In addition, the hard coating layer of the present invention provides a decorative sheet formed foam layer, characterized in that the urethane-based acrylate copolymer series.

In another aspect, the present invention provides a decorative sheet formed with a foam layer, characterized in that it further comprises a protective film layer on the upper surface of the hard coating layer.

In addition, the decor sheet of the present invention provides a decor sheet is formed foam sheet, characterized in that the membrane formed.

Decor sheet formed with a foam layer according to the present invention has an excellent elongation and high flexibility has the effect that the edges and curved portions are formed smoothly.

In addition, the decorative sheet formed foam layer according to the present invention is excellent in scratch resistance of the surface, there is an effect excellent in fouling resistance.

Figure 1 shows a cross-sectional view of the decorative sheet is formed foam layer according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

The terms " about ", " substantially ", etc. used to the extent that they are used herein are intended to be taken to mean an approximation to or in the numerical value of the manufacturing and material tolerances inherent in the meanings mentioned, Accurate or absolute numbers are used to help prevent unauthorized exploitation by unauthorized intruders of the referenced disclosure.

In the present invention, in the decor sheet, the hard coating layer, the first skin layer, the base layer and the second skin layer are sequentially laminated from above, the base layer is formed of a foam layer, the base layer is formed of PET-A, The first skin layer and the second skin layer are characterized in that PET-G and PBT are mixed.

Figure 1 shows a cross-sectional view of the decorative sheet is formed foam layer according to an embodiment of the present invention.

The decor sheet is composed of a hard coating layer 140, the first skin layer 120, the base layer 110 and the second skin layer 130.

The base layer 110 according to the embodiment of the present invention is composed of amorphous polyethylene terephthalate (PET-A). Since the base layer 110 is made of PET-A, the base layer 110 may be maintained to have excellent thermal stability and transparency.

On the other hand, a foam layer formed by the blowing agent may be formed in a portion of the base layer.

The blowing agent may be a thermally decomposable blowing agent, and the thermally decomposable blowing agent may be azo, oxy benzene sulfonyl hydrazide, such as azozicarbonamido (ADCA) or azobis formamide. hydrazide systems such as benzene sulfonyl hydrazide (OBSH) and para toluene sulfonyl hydrazide may be used.

Content of a thermal decomposition type foaming agent can be suitably set according to the kind of foaming agent, foaming ratio (thickness ratio of foaming layer with respect to thickness of foaming agent containing base layer), etc. 1.5 times or more are preferable and, as for foaming magnification, about 3-8 times are preferable. The content of the thermally decomposable blowing agent may include 1 to 20 parts by weight of the blowing agent based on 100 parts by weight of the base layer.

In addition, it is possible to add a foam aid to promote the decomposition of the blowing agent in order to further improve the foaming effect.

Although the foaming aid is different depending on the type of foaming agent, for example, in the case of using azozicarboni amido as the foaming agent, carbonic acid hydrazide such as adipic acid zidodorado and hydroxyidodorado (hydrazide), zinc oxide, lead lactate, urea, zinc stearate, and the like. About 0.3-10 weight part is preferable with respect to 100 weight part of base layers, and, as for content of a foaming aid, about 1-5 weight part is more preferable.

In addition, an inorganic filler may be used in the foam layer, wherein the inorganic filler may be selected from the group consisting of calcium carbonate, aluminum hydroxide, magnesium hydroxide, antimony trioxide, zinc borate, molybdenum compound, and the like. have.

By using the said inorganic filler, a snow-spacing effect, a surface characteristic improvement effect, etc. are obtained. It is preferable to use 0-100 weight part with respect to 100 weight part of resin components, and, as for content of the said inorganic filler, it is more preferable to use 20-70 weight part.

In addition, the bubble is preferably formed in the range of 10 to 50% of the total volume of the base layer.

In addition, the first skin layer 120 and the second skin layer 130 are composed of glycol-modified polyethylene terephthalate (PET-G) and polybutylene terephthalate (PBT).

Glycol modified polyethylene terephthalate (PET-G) resin included in the glycol-modified polyethylene terephthalate (PET-G) is a terephthalic acid (TPA) and ethylene glycol (Ethylene glycol: EG), cyclo It is an amorphous resin copolymerized with hexane dimethanol (CDM), which has excellent processability, moldability and printability, no deformation due to shrinkage, impact resistance, and no chlorine gas in incineration or fire. It is suitable as a material contained in the decor sheet according to the present invention because it has a characteristic free from harmful components such as the like.

The polybutylene terephthalate (PBT) has a property of improving solvent resistance and flexibility when forming a skin layer as a crystalline polymer. That is, there is an effect that the hard coating liquid does not penetrate into the first skin layer 120 when the hard coating layer 140 and the coating. In addition, the solvent resistance is good and this has the advantage that the skin layer is not damaged and the elongation is increased. In addition, the PBT is mixed with the skin layer to lower the molding temperature, thereby increasing high elongation, and improving white turbidity in the decor sheet.

In addition, the PBT used in the present invention preferably has an intrinsic viscosity (IV) of 0.8 to 0.9 dl / g. Mixing with PET-G within the above range is well made and the solvent resistance is good, thereby increasing the elongation without damaging the substrate.

As the first skin layer 120 and the second skin layer 130 are mixed with the PET-G and PBT, the decor sheet of the present invention is ensured flexibility, and thus three-dimensional membrane molding is possible.

In addition, the first skin layer 120 and the second skin layer 130 is preferably polyethylene terephthalate (PET-G) and polybutylene terephthalate (PBT) is mixed in a molar ratio of 5.5: 4.5 to 7: 3, 6: More preferably, it consists of a molar ratio of four. When mixed in the above range Tg for the mixture of PET-G and PBT is lowered, there is an advantage that can be processed at a low temperature during the post-process.

Meanwhile, the first skin layer 120 and the second skin layer 130 may further include PCTG (poly (cyclohexylene dimethylene terephthalate), glycol). In order to mix the PET-G and PBT well, the PCTG may be mixed at the time of mixing to form the first skin layer 120 and the second skin layer 130. The mixing ratio of PCTG to the first skin layer 120 and the second skin layer 130 is preferably PET-G, PBT and PCTG in a 5: 4: 1 to 6: 3: 1 molar ratio. In the above range, the materials are mixed well, and the Tg is lowered, so that the processing is possible even at a low temperature during the post process.

In addition, one or more layers of the first skin layer, the base layer, and the second skin layer may include a pigment, and the pigment may be any one of TiO 2 , Pigment Yellow, and Pigment Blue.

In addition, the thickness of the three layers of the first skin layer, the base layer and the second skin layer is preferably about 200 to 400㎛. If the thickness of the three layers is less than 200㎛ problem occurs easily when forming the membrane, if the thickness exceeds 400㎛ there is a problem that the processing temperature rise and workability is lowered when forming the membrane.

On the other hand, the first skin layer 120 includes a hard coating layer 140, the hard coating layer 140 may be subjected to a heat-drying hard coating. In the case of the conventional UV curing method, unreacted monomers may remain during the reaction, and cracks are easily generated during the subsequent molding, and thus, membrane molding is impossible. However, the heat-drying hard coating has an advantage of good molding processability even after curing as compared with the UV curing method. The hard coating layer 140 is preferably a urethane-based acrylate copolymer series.

The urethane acrylate copolymer-based hard coating resin is a resin prepared by copolymerization of an acryl-based monomer having a hydroxy group, a urethane-based polyol and an isocyanate, polyether polyol, polyester polyol, polycaprolactone polyol, polybaconate polyol Polyol components such as polybutadiene polyol, aromatic isocyanates such as toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI) or isophorone diisocyanate (IPDI; Isophorone diisocyanate), hexamethylene diisocyanate Aliphatic isocyanates such as (HMDI; Hexamethylene diisocyanate) can be reacted to select an appropriate raw material having elasticity capable of three-dimensional molding and scratch resistance that can withstand external stimuli.

In addition, the thickness of the hard coating layer 140 is preferably about 3 to 10㎛. When the thickness of the hard coating layer 140 is less than 5㎛ may cause a change in the surface gloss of the first skin layer 120 when forming the membrane, there is a problem that the fouling resistance is lowered, if the thickness exceeds 10㎛ and the speed during the surface treatment operation is lowered Cracking may occur in the hard coat layer 140 during membrane formation.

In addition, the upper surface of the hard coating layer 140 may further include a protective film layer to protect the decor sheet (not shown). The material of the protective film layer is not particularly limited, and may be made of transparent PP, PC and PE. The protective film preferably has a thickness of about 5 to 10 μm.

The decor sheet of the present invention is suitable for thermoforming. Thermoforming is a method of heating / softening a sheet of a thermoplastic resin and forming a shape by vacuum or press. The term thermoforming is used in its broadest sense, including various sheet processing techniques, such as vacuum forming, pressure forming, matched mold forming, and combinations thereof. The thermoforming process is in the order of feeding, clamping, heating, shaping, cooling and trimming. When the sheet obtained mainly by extrusion or the like is fed to a molding machine, it is completely clamped to the mold, and heated to a molding temperature, followed by shaping by heating or vacuum. When the molding is completed, the molded product is obtained through appropriate cooling and trimming processes.

The thermoforming is performed at a pressure of about 1 to 10 atm lower than other competitive methods such as injection molding, blow molding and injection blow molding. Since it is possible to use a mold of a cheap material having a somewhat low strength, it can be molded at a minimum cost even in a large volume. In addition, parts with extremely thin sidewalls or sufficiently low thickness-to-area ratios have extremely short molding time and can efficiently mass-produce a large amount of parts, resulting in high molding satisfaction that is unlikely to be expected by other molding methods. There is an advantage that it can.

In addition, the decor sheet of the present invention is suitable for membrane molding. Membrane forming is a combination of press forming and vacuum forming. Press heating and vacuum forming occur simultaneously after heating.

Deco sheet according to the present invention has the advantage of high flexibility and the edge and curved portion is formed smoothly and excellent elongation, the surface is excellent in scratch resistance, and also excellent in stain resistance.

Hereinafter, embodiments of the present invention will be described in detail.

Example  One

The base layer PET-A was formed by mixing PET-G and PBT in a molar ratio of 6: 4 as the first skin layer and the second skin layer, and the thickness of the base layer was 300 μm. A foam layer was formed on the base layer, and 10 parts by weight of azoji carbon amido (ADCA) was added to 100 parts by weight of the base layer, and zinc oxide (5 parts by weight based on 100 parts by weight of the base layer) was added as the foaming agent. And calcium carbonate (20 parts by weight based on 100 parts by weight of the base layer) as an inorganic filler to form a foamed layer. In addition, TiO 2 was added to the base layer as a pigment. The hard coating layer was made by a thermal drying method and was formed to a thickness of 10㎛ using a urethane-based acrylate copolymer series to prepare a decor sheet, which was prepared by membrane molding.

Example  2

In the same manner as in Example 1, PET-G and PBT were mixed in a molar ratio of 7: 3, and the thickness of the base layer was formed to 400㎛ to prepare a decor sheet.

Example  3

In the same manner as in Example 1, the first skin layer and the second skin layer was further mixed with PCTG, PET-G, PBT and PCTG mixing ratio was 6: 4: 1 to prepare a decor sheet.

Example  4

The same procedure as in Example 3, except that the thickness of the first skin layer, the base layer and the second skin layer was formed to 400㎛ to prepare a decor sheet.

Comparative example  One

In the same manner as in Example 1, the first skin layer and the second skin layer was formed by PET-G alone to prepare a decor sheet.

Comparative example  2

The same procedure as in Example 1, except that the first skin layer, the base layer and the second skin layer was one layer, PET-G alone, the hard coating layer was UV cured, and the press sheet was decorated Prepared.

※ Test method

(1) elongation evaluation

The top layer films for decor sheets were cut into samples of 25 mm width x 100 mm length, respectively. The film was oriented along a direction using a 1 kg weight (9.8 N / 2.5 mm) and allowed to stand for 10 minutes, and then the elongation was measured.

(2) Scratchability test (pencil hardness test (high load evaluation))

The test was done by the pencil hardness tester. The test was conducted according to JIS K 5600-5-4 except that the tester was set so that the front part of the pencil gave a load of 750 g to the decor sheet when the tester was in the horizontal position.

(3) pollution resistance evaluation

The acid or alkali type (vinegar, coffee, soy sauce, etc.) was dropped on the deco sheet and wiped off after 24 hours.

1: No trace level

2: The level of traces can be seen in detail (can be identified at 0.30m)

3: level with traces (identifiable at 0.75m distance)

4: level of visible traces (identifiable at 1.5m)

division Elongation (%) Scratchability (pencil hardness) Pollution resistance evaluation Example 1 250 2H One Example 2 230 2H One Example 3 240 1H One Example 4 260 2H One Comparative Example 1 130 2B 4 Comparative Example 2 150 2B 3

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be clear to those who have knowledge of.

Claims (12)

In the decorative sheet,
The hard coating layer, the first skin layer, the base layer and the second skin layer are sequentially stacked from above,
The base layer is formed with a foam layer,
The base layer is formed of PET-A, the first skin layer and the second skin layer is a decor sheet formed foam layer, characterized in that PET-G and PBT is mixed. The method of claim 1,
The foam layer is formed of a pyrolytic foaming agent, the foaming agent is azoji carbon amide (ADCA), azobis formamide (azobis formamide), oxy benzene sulfonyl hydrazide (OBSH), para toluene Decor sheet with a foam layer, characterized in that at least one selected from sulfonyl hydrazide (palladium toluene sulfonyl hydrazide). The method of claim 2,
Deco sheet with a foam layer, characterized in that the content of the thermal decomposition foaming agent is contained 1 to 20 parts by weight based on 100 parts by weight of the base layer. The method of claim 1,
The foaming layer may further include a foaming aid, the content of the foaming aid is a decor sheet formed foam layer, characterized in that containing 1 to 5 parts by weight based on 100 parts by weight of the base layer. The method of claim 1,
Inorganic filler may be further included in the foam layer, wherein the inorganic filler is at least one of a group consisting of calcium carbonate, aluminum hydroxide, magnesium hydroxide, antimony trioxide, zinc borate, and molybdenum as an inorganic filler. Decor sheet formed with a foam layer, characterized in that selected. The method of claim 1,
The PET-G and PBT mixing ratio of the foam layer is a foam sheet, characterized in that the molar ratio of 5.5: 4.5 to 7: 3. The method of claim 1,
The first skin layer and the second skin layer is PCTG is further mixed, the mixing ratio of PET-G, PBT and PCTG is 5: 4: 1 to 6: 3: 1 molar ratio of the foam layer formed deco Sheet. The method of claim 1,
At least one layer of the first skin layer, the base layer and the second skin layer may include a pigment, wherein the pigment is a decoration sheet formed with a foam layer, characterized in that using any one of TiO 2 , Pigment Yellow and Pigment Blue . The method of claim 1,
The thickness of the first skin layer, the base layer and the second skin layer is a decoration sheet is formed foam sheet, characterized in that 200 to 400㎛. The method of claim 1,
The hard coating layer is a decorative sheet formed foam layer, characterized in that the urethane-based acrylate copolymer series. The method of claim 1,
Decor sheet formed with a foam layer, characterized in that further comprising a protective film layer on the top surface of the hard coating layer. The method of claim 1,
The decor sheet is a decorative sheet formed foam layer, characterized in that the membrane formed by molding.
KR1020110064800A 2011-06-30 2011-06-30 Deco-sheet comprising foaming layer KR20130003434A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102454314B1 (en) * 2021-09-30 2022-10-12 주식회사 현대엘앤씨 A multi-layered DIY wall panel that can be decorated by itself

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102454314B1 (en) * 2021-09-30 2022-10-12 주식회사 현대엘앤씨 A multi-layered DIY wall panel that can be decorated by itself

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