WO2010110528A1 - 하드코팅 조성물, 이를 이용한 다층시트 및 그의 제조방법 - Google Patents
하드코팅 조성물, 이를 이용한 다층시트 및 그의 제조방법 Download PDFInfo
- Publication number
- WO2010110528A1 WO2010110528A1 PCT/KR2009/007836 KR2009007836W WO2010110528A1 WO 2010110528 A1 WO2010110528 A1 WO 2010110528A1 KR 2009007836 W KR2009007836 W KR 2009007836W WO 2010110528 A1 WO2010110528 A1 WO 2010110528A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- sheet
- hard coating
- film
- coating composition
- Prior art date
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- 239000008199 coating composition Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title 1
- 239000000178 monomer Substances 0.000 claims abstract description 21
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 229930185605 Bisphenol Natural products 0.000 claims abstract description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003999 initiator Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 110
- 239000012790 adhesive layer Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 38
- 239000002985 plastic film Substances 0.000 claims description 34
- 238000007639 printing Methods 0.000 claims description 28
- 239000011247 coating layer Substances 0.000 claims description 25
- -1 fluorine acrylate compound Chemical class 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 19
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- 230000001070 adhesive effect Effects 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 16
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- 239000003960 organic solvent Substances 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
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- 229910052731 fluorine Inorganic materials 0.000 description 8
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000003618 dip coating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
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- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- FHFVUEXQSQXWSP-UHFFFAOYSA-N 2-hydroxy-2,2-dimethoxy-1-phenylethanone Chemical compound COC(O)(OC)C(=O)C1=CC=CC=C1 FHFVUEXQSQXWSP-UHFFFAOYSA-N 0.000 description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 2
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
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- 238000011156 evaluation Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
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- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 1
- VDYWHVQKENANGY-UHFFFAOYSA-N 1,3-Butyleneglycol dimethacrylate Chemical compound CC(=C)C(=O)OC(C)CCOC(=O)C(C)=C VDYWHVQKENANGY-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- HFCUBKYHMMPGBY-UHFFFAOYSA-N 2-methoxyethyl prop-2-enoate Chemical compound COCCOC(=O)C=C HFCUBKYHMMPGBY-UHFFFAOYSA-N 0.000 description 1
- RIWRBSMFKVOJMN-UHFFFAOYSA-N 2-methyl-1-phenylpropan-2-ol Chemical compound CC(C)(O)CC1=CC=CC=C1 RIWRBSMFKVOJMN-UHFFFAOYSA-N 0.000 description 1
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/02—Superimposing layers
-
- 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
- B32B1/00—Layered products having a non-planar shape
-
- 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
- B32B27/08—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 synthetic resin
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
- C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- 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
- B32B2255/00—Coating on the layer surface
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
- B32B2307/406—Bright, glossy, shiny surface
-
- 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
-
- 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
- B32B2307/558—Impact strength, toughness
-
- 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
-
- 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
- B32B2419/00—Buildings or parts thereof
-
- 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
- B32B2451/00—Decorative or ornamental articles
-
- 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
- B32B2479/00—Furniture
Definitions
- the present invention relates to a hard coating composition, a multi-layered sheet comprising the same and a manufacturing method thereof. More specifically, the present invention relates to a hard coating composition having a low defect rate by introducing a bisphenol-based resin, a high smoothness of a coating surface, and an excellent high gloss texture, and a high gloss curved decorative multilayer sheet using the same, and a manufacturing method thereof.
- the decorative panel installed on the surface of home appliances, furniture or interior and exterior materials of the building to produce an interior effect is generally composed of a decorative layer on which a pattern is printed and a structure in which plate glass is laminated on the decorative layer.
- the decorative panel having the pane is manufactured by cutting the pane to fit the size of the product on which the pane is to be installed, and then forming a decorative layer on one side of the cut pane.
- the method of forming the decorative layer may include a method of directly printing a pattern on the plate glass with ink, a method of thermal transfer of the pattern on the plate glass using a transfer paper, and a method of adhering the decorative film on which the pattern is printed on the plate glass.
- the plastic has a linear expansion coefficient of about 10 times larger than that of glass
- the decorative panel and the plastic exterior material made of plate glass have a large difference in shrinkage according to temperature change. Therefore, when a product of a plastic material having a decorative panel made of plate glass is repeatedly exposed to a high temperature and a low temperature environment, a phenomenon in which the decorative panel is lifted from the exterior material due to the difference in shrinkage between the decorative panel and the plastic occurs. This phenomenon is particularly prominent in thermal cycle tests for durability evaluation of home appliances, which is a cause of failure.
- plastics have disadvantages such as poor impact strength and scratch resistance compared to glass and are easily contaminated, and thus are not applied as exterior materials of decorative panels.
- An object of the present invention is to provide a hard coating composition excellent in surface hardness and molding workability.
- Another object of the present invention is to provide a hard coating composition having a low defect rate and high gloss texture.
- Still another object of the present invention is to provide a hard coating composition having excellent adhesion.
- Another object of the present invention is to provide a hard coating composition excellent in light transmittance and gloss.
- Still another object of the present invention is to provide a hard coating composition applicable to a curved decorative panel.
- Still another object of the present invention is to provide a multilayer sheet having excellent surface hardness and molding workability using the hard coating composition.
- Still another object of the present invention is to provide a method for easily manufacturing a multilayer sheet using the hard coating composition.
- the hard coating composition includes about 5 to 60% by weight of a fluorine acrylate compound, about 5 to 50% by weight of a (meth) acrylate monomer, about 0.1 to 10% by weight of a photopolymerization initiator, and about 1 to 35% by weight of a bisphenol-based resin. Can be done.
- the hard coating composition may further include about 0.01 to 1% by weight of a light stabilizer.
- the hard coating composition may have a viscosity of about 1 to about 300 cps at 25 °C.
- the hard coating composition may further comprise about 5 to 80% by weight of a solvent.
- the multilayer sheet is a hard coating layer formed of the hard coating composition; And a plastic sheet layer formed on one surface of the hard coating layer.
- the hard coating layer may be formed on the plastic sheet layer to a thickness of about 1 ⁇ m or more and less than about 12 ⁇ m.
- the hard coating layer has a glossiness of about 95% or more as measured by ASTM D-2457, no cracking occurs when molding at 200% elongation, and a surface hardness of 4H or more.
- a decorative film may be formed on the other side of the plastic sheet.
- the multilayer sheet may have a shape including a curved surface.
- the decorative film may have a printing layer formed on the base film.
- the decorative film may further include an adhesive layer formed on the printing layer.
- the decorative film may include a first transparent film, a first adhesive layer formed on the first transparent film, a base film attached on the first adhesive layer, a printing layer formed on the base film, and the printing layer on It may include a second adhesive layer formed on, the second transparent film attached on the second adhesive layer and the pressure-sensitive adhesive layer formed on the second transparent film.
- At least one of the base film, the print layer, the second adhesive layer, and the second transparent film may have an embossed pattern.
- Another aspect of the present invention relates to a method for producing the multilayer sheet.
- the method includes a) preparing a flat composite sheet having a plastic sheet layer formed on one surface of the decorative film; b) applying the hard coating composition of any one of claims 1 to 4 on the plastic sheet layer; c) irradiating the hard coating composition with ultraviolet light to form a pre-cured hard coating layer; d) forming a flat composite sheet on which the pre-cured hard coat layer is formed into a final shape including a curved surface; And e) irradiating the pre-cured hard coat layer with ultraviolet rays to form a hard coat main-curing layer.
- step c) may be irradiated with ultraviolet rays in the range of about 200 ⁇ 300 mJ / cm 2 .
- the pre-cured hard coating layer may have a surface hardness of about 1B to 1H.
- the ultraviolet rays in step e) can be irradiated with 500 mJ / cm 2 or more.
- the surface hardness of the hard coat main-curing layer may be 4H or more.
- the hard coating composition may be applied to the plastic sheet layer to a thickness of less than 1 ⁇ m 12 ⁇ m.
- the decorative film forming a printing layer on the base film, by applying an adhesive on the printing layer to form a second adhesive layer; Placing a second transparent film on the second adhesive layer, laminating the base film, the printing layer, the second adhesive layer, and the second transparent film to form a sheet; Forming an embossed pattern on the sheet using an embosser; Applying an adhesive on the first transparent film to form a first adhesive layer; The sheet having the embossed pattern is placed on the first adhesive layer so that the base film faces the first adhesive layer, and the first transparent film, the first adhesive layer, and the sheet having the embossed pattern are laminated to preliminarily decorate the sheet.
- the multilayer sheet to which the hard coating composition of the present invention is applied has a low defect rate, high smoothness of the coating surface, and excellent high gloss texture.
- the multi-layered sheet has excellent physical properties of impact strength, scratch resistance and hardness, has excellent anti-pollution performance, and can be widely applied to products of plastic materials.
- FIG. 1 is a flow chart briefly showing a method for manufacturing a curved multilayer sheet according to an embodiment of the present invention.
- FIG. 2 is a view for explaining a method for producing a curved multilayer sheet according to an embodiment of the present invention.
- Figure 3 is one embodiment of the manufacturing method of the decorative film according to the present invention.
- Figure 4 is one embodiment for the decorative film according to the present invention.
- FIG 5 is another embodiment of the decorative film according to the present invention.
- Figure 6 is another embodiment for a decorative film according to the present invention.
- the hard coating composition of this invention contains a fluorine-type acrylate compound, a (meth) acrylate monomer, a photoinitiator, and a bisphenol-type resin.
- the fluorine-based acrylate compound may be a copolymer in which a fluorine-based compound such as a fluoro group or a fluoroalkyl group is introduced into a substituent on the backborn of the trifunctional or higher functional acrylate resin.
- the fluorine acrylate compound may be a copolymer of a polyfunctional acrylate monomer and a fluorine acrylate compound.
- fluorinated acrylate monomers, oligomers or homo polymers may also be applied.
- the fluorine acrylate compound may be represented by the following Chemical Formula 1.
- X 1 , X 2 and X 3 are each hydrogen or fluorine;
- Y 1 is linear or branched fluoroalkane, cyclofluoroalkane, linear or branched fluoroalkane,
- n is an integer from about 1 to about 10,000.
- D-201MC (trade name, product of Nippon Ink Chemical Co., Ltd.) may be used, but is not necessarily limited thereto.
- the fluorine-based acrylate compound is preferably included in about 5 to about 60% by weight of the total weight of the composition, more preferably from about 10 to about 50% by weight, most preferably from about 15 to about 45% by weight do.
- content of the fluorine-based acrylate compound is less than 5% by weight, it is difficult to implement the desired antifouling property, when it exceeds 60% by weight, scratch resistance and wear resistance may be inferior, which is not preferable.
- the said (meth) acrylate monomer is a (meth) acrylate monomer without an aliphatic cyclic structure.
- a monofunctional (meth) acrylate monomer, a bifunctional (meth) acrylate monomer, a trifunctional or more than polyfunctional (meth) acrylate monomer, or a mixture thereof can be used.
- Examples of the monofunctional (meth) acrylate monomers include butyl acrylate, allyl methacrylate, 2-methoxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxyethyl methacrylate, and the like. It is not necessarily limited thereto.
- bifunctional (meth) acrylate monomers examples include 1,6-hexanediol diacrylate (HDDA), 1,3-butylene glycol dimethacrylate (BGDMA), tripropylene glycol diacrylate (TPGDA), and the like. May be used, but is not necessarily limited thereto.
- TMPTA Trimethylolpropane triacrylate
- PETA pentaerythritol triacrylate
- DPHA dipentaerythritol hexaacrylate
- the hard coating composition may further include a fluorine-based (meth) acrylate monomer, a urethane (meth) acrylate monomer or an oligomer, etc. as necessary in order to appropriately adjust the viscosity of the composition or to improve antifouling properties in addition to the (meth) acrylate monomer. It may be.
- the content of the (meth) acrylate monomer is preferably about 5 to about 50% by weight of the total composition, more preferably about 5 to about 40% by weight, most preferably about 7 to about 35% by weight.
- the content of the (meth) acrylate monomer is less than about 5% by weight, the hardness of the hard coat layer may be weakened.
- the content of the (meth) acrylate monomer is greater than about 50% by weight, the hardness of the hard coat layer may be too high, which is not preferable.
- the hardness of the hard coat layer refers to the state after the final curing process is made, and the hardness of the main-curing layer formed through the roughing, that is, the second curing process, main-curing, to step e). Say.
- the photopolymerization initiator receives ultraviolet rays to generate free radicals, and acts to cause a crosslinking reaction by the action of these free radicals.
- a photopolymerization initiator used in a general UV curable composition may be used without limitation.
- 1-hydroxycyclohexyl-phenylkenone Irgacure 184
- ⁇ , ⁇ -dimethoxy- ⁇ -hydroxy acetophenone Darocure 1173
- 1-hydroxy-cyclohexyl-phenylketone- benzophene Benzophenone series materials such as a rice cake blend, 2-hydroxy-2-methyl-1- phenyl propane, etc. can be used, It is not necessarily limited to this.
- the photopolymerization initiator may be used in about 0.1 to about 10% by weight of the total composition. If the content is less than about 0.1% by weight, sufficient hardening of the hard coat layer may not be achieved, and when the content exceeds about 10% by weight, it may remain as an impurity to lower the hardness of the hard coat layer. Preferably about 0.5 to 5% by weight, more preferably about 0.7 to 3% by weight.
- the hard coating composition of the present invention includes a bisphenol-based resin for improving the clarity and coating stain.
- a bisphenol resin having a refractive index of about 1.50 or more may be applied.
- the bisphenol-based resin has a refractive index of about 1.50 to 3.00.
- a diacrylate resin of ethylene oxide modified bisphenol A may be used.
- the content of the bisphenol-based resin is preferably about 1 to 35% by weight of the total composition.
- the content is less than about 1% by weight, the effect of using the bisphenol-based resin may be insignificant, and when the content exceeds about 35% by weight, the surface hardness of the hard coating layer may be weak, which is not preferable. In other embodiments it may be included in about 3 to 20% by weight, preferably about 5 to 15% by weight.
- the organic solvent may be further included in consideration of the coating property of the hard coating composition, the drying speed, the appearance or production yield of the product, and the like.
- organic solvent examples include methanol, ethanol, isopropanol, normal-propanol, butanol, isobutanol, ethyl cellosolve, methyl cellosolve, butyl cellosolve, butyl acetate, ethyl acetate, diacetone alcohol, methyl ethyl ketone, Propylene glycol, isopropyl alcohol, ethylene glycol, isopropyl alcohol or mixtures thereof, but is not necessarily limited thereto.
- These organic solvents may be used at least one or more, preferably about 3 to 5 kinds of organic solvents are used in combination.
- the content of the organic solvent is preferably about 5 to about 80% by weight of the total composition. If the content of the organic solvent is less than about 5% by weight, there is a problem in coating property, so that it is not possible to form a uniform film. If the content of the organic solvent exceeds about 80% by weight, the thickness of the coating film is too thin, which is preferable because of the antifouling properties, scratch resistance, and abrasion resistance. Not. In embodiments about 10 to about 70 weight percent, and in other embodiments about 30 to about 60 weight percent.
- the hard coating composition may further include a light stabilizer.
- the light stabilizer improves the light stability of the hard coat layer, and can prevent the characteristics of the hard coat layer from changing over time.
- the light stabilizer may be appropriately selected according to the type of the photopolymerization initiator.
- the photopolymerization initiator is a benzophenone-based material such as ⁇ , ⁇ -dimethoxy- ⁇ -hydroxy acetophenone (Darocure 1173)
- the light stabilizer is bis- (1-octyloxy-2,2 , 6,6-tetramethyl-4-piperidinyl) (Tinubin 123) and the like can be used, but is not necessarily limited thereto.
- the content of the light stabilizer may be included in about 0.01 to about 1% by weight of the total composition, preferably from about 0.1 to about 1% by weight.
- the hard coating composition may further include a leveling agent, an ultraviolet absorber or a surfactant as other additives as necessary in addition to the above-described components.
- the viscosity of the hard coating composition is preferably about 1 ⁇ 300cps at 25 °C. Within the viscosity range, the flowability of the hard coating composition may be improved, thereby improving workability at the time of forming the hard coating layer. In other embodiments, from about 10-200 cps, in still other embodiments, from about 50-150 cps.
- the hard coating layer is formed from the above-described hard coating composition, thereby not only excellent workability when forming the hard coating layer, but also excellent in pollution prevention function, impact resistance and scratch resistance.
- each device or layer, film and sheet has been exaggerated for clarity of the invention, and each device may have various additional devices not described herein.
- a layer, film, or sheet is referred to as being located on another layer, film or sheet, an additional layer, film or The sheet may be interposed.
- FIG. 1 is a flow chart briefly showing a method for manufacturing a curved multilayer sheet according to an embodiment of the present invention.
- Method for producing a curved multilayer sheet comprises a) preparing a flat composite sheet having a plastic sheet layer formed on one surface of the decorative film; b) applying a hard coating composition comprising a fluorine acrylate compound on the plastic sheet layer; c) irradiating the hard coating composition with ultraviolet light to form a pre-cured hard coating layer; d) forming a flat composite sheet on which the pre-cured hard coat layer is formed into a final shape including a curved surface; And e) irradiating the pre-cured hard coat layer with ultraviolet light to form a hard coat main-curing layer.
- FIG. 2 is a view for explaining a manufacturing method of a high gloss curved multilayer sheet according to an embodiment of the present invention. Hereinafter, this will be described in detail with reference to FIG. 2.
- Step a) is a step of preparing a flat composite sheet 100 having a plastic sheet layer 20 formed on one surface of the decorative film 10.
- the flat composite sheet 100 by laminating the plastic sheet layer 20 on one surface of the decorative film 10 by using a laminating roller (not shown), but the forming method is not necessarily limited thereto.
- the plastic sheet layer 20 is produced by extruding or injecting a plastic resin.
- the plastic resin may be polymethyl methacrylate (PMMA) resin, polycarbonate (PC) resin, polyethylene terephthalate (PET) resin, styrene-acrylonitrile (SAN) resin, polystyrene (PS) resin, acrylonitrile-butadiene Styrene (ABS) resins or mixtures thereof, but is not necessarily limited thereto.
- PMMA resin polymethyl methacrylate
- PC polycarbonate
- PET polyethylene terephthalate
- SAN styrene-acrylonitrile
- PS polystyrene
- ABS acrylonitrile-butadiene Styrene
- the printing layer 14 is formed on the base film 13 to form a decorative film 10, which will be described later with reference to FIG. 3.
- Step b) is a step of applying a hard coating composition 30 containing a fluorine-based acrylate compound on the plastic sheet layer (20).
- a dip coating, a flow coating, a spray coating, a roll coating, a spin coating, or a gravure coating may be used. It is not.
- the hard coating composition may be applied on the plastic sheet layer in a thickness of about 1 ⁇ m or more and less than about 12 ⁇ m. In another embodiment, the hard coating composition may be applied to the plastic sheet layer in a thickness of about 3 ⁇ m to about 10 ⁇ m. In another embodiment, the hard coating composition may be applied to the plastic sheet layer to a thickness of about 3.5 ⁇ m to about 7.5 ⁇ m.
- the step of washing the plastic sheet layer 20 before applying the hard coating composition 30, and optionally pre-heated with an ultraviolet irradiator to remove the remaining oil and foreign matter, etc. can be done.
- step c) the hard coating composition 30 is irradiated with ultraviolet rays to form a pre-cured hard coating layer 40.
- the hard coating composition 30 applied on the plastic sheet layer 20 through step b) is pre-curing, which is the first curing in step c), and in step e) Second curing is main-curing.
- a curing process is performed using an ultraviolet lamp such as a high pressure mercury lamp or a metal halide lamp.
- the ultraviolet irradiation energy in step c) preferably has a light amount range of about 200 to 300mJ / cm 2 .
- the ultraviolet irradiation energy is less than about 200 mJ / cm 2 , the adhesion between the pre-cured hard coating layer 40 and the plastic sheet layer 20 is not sufficient, thus pre-cured during the second processing. ) There is a problem that the peeling phenomenon of the hard coat layer 40 occurs. In addition, when the ultraviolet irradiation energy exceeds about 300mJ / cm 2 hardening of the pre-cured hard coating layer 40 proceeds a lot, the elongation is lowered, pre-cured during the secondary processing (pre-cured) ) Cracking of the hard coat layer 40 occurs.
- Pre-curing means the primary temporary curing process before the main-curing in step e), and the pre-curing formed through the pre-curing, which is the first curing.
- the degree of cure of the pre-cured hard coat layer 40 has a surface hardness of approximately 1B-1H, and the elongation is at least about 300%.
- drying the plastic sheet layer coated with the hard coating composition 30 at a temperature of about 40 ⁇ 80 °C, or infrared Heating may remove the organic solvent remaining in the hard coating composition 30 may be further performed.
- the thickness of the coating film produced by the hard coating composition in the dried state is preferably about 1 to about 10 ⁇ m. If it is out of the above range, the molding workability may be lowered, the gloss may be lowered. More preferably from about 3 ⁇ m to about 7.5 ⁇ m. In another embodiment, the coating film thickness is in the range of about 3.5 ⁇ m to about 7 ⁇ m.
- step d) the flat composite sheet 100 on which the pre-cured hard coating layer 40 is formed is formed into a final shape including a curved surface.
- the method of forming the flat composite sheet 100 having the pre-cured hard coating layer 40 formed into a final shape including a curved surface is preferably used by a vacuum molding method.
- Vacuum molding is a method in which a space surrounded by a sheet and a mold surface is vacuumed through a small hole or a thin groove processed in a mold, and the sheet is sucked into the mold to be molded.
- the shape of the molded article obtained through vacuum forming depends on the shape of the mold. In general, the molded article obtained through vacuum molding is not a planar shape but includes a three-dimensional curved shape, that is, a curved shape.
- the curved shape of the flat composite sheet 100 on which the pre-cured hard coating layer 40 of step d) is formed is one embodiment, and the shape desired by the present invention is not limited thereto.
- step e) the pre-cured hard coat layer 40 is irradiated with ultraviolet rays to form a hard coat main-curing layer 50.
- the hard coating composition 30 applied on the plastic sheet layer 20 through step b) is pre-cured, which is the first curing in step c), and e) In the step, main curing, which is a secondary curing, is achieved.
- a curing process is performed using an ultraviolet lamp such as a high pressure mercury lamp or a metal halide lamp.
- the ultraviolet irradiation energy in step e) preferably has a light quantity range of about 500 mJ / cm 2 or more.
- ultraviolet light is irradiated in a light amount range of about 600 to about 1500 mJ / cm 2 .
- the ultraviolet radiation energy is less than about 500 mJ / cm 2 there is a problem that the surface energy is low or the adhesion strength is insufficient because the irradiation energy is not enough.
- Main-curing means a secondary main curing process after pre-curing, which is the primary curing in step c), and main-curing, which is secondary curing. Curing degree of the main-curing layer (50) formed through) will have a surface hardness of 4H or more.
- the curved multilayer sheet manufactured by the above-described manufacturing method has a lower defect rate than the conventional multilayered sheet manufactured by the spraying method or the dip coating method, has high smoothness of the coating surface, and excellent high gloss texture.
- the smoothness of the coating surface can generally be confirmed by the difference in glossiness.
- the gloss of the surface does not exceed about 95% when measured with a 60 degree gloss.
- high gloss texture of about 95% is possible.
- Figure 3 is one embodiment of the manufacturing method of the decorative film 10 according to the present invention.
- the printing layer 14 is formed by printing a pattern such as various floral patterns using ink on the base film 13 manufactured by the calendar method.
- the calendar method can be easily carried out by those skilled in the art.
- An adhesive is applied on the print layer 14 to form the second adhesive layer 15.
- the second transparent film 16 is placed on the second adhesive layer 15, and the base film 13, the printing layer 14, the second adhesive layer 15, and the first film are formed by using a laminate (not shown).
- the two transparent films 16 are laminated to form one sheet 10a.
- the sheet 10a is annealed in the aging chamber so that the base film 13, the print layer 14, the second adhesive layer 15, and the second transparent film 16 are completely laminated.
- a aging step may be further carried out to store for 60 to 80 hours to fully cure the adhesive.
- the sheet 10b having the embossed pattern formed on the first adhesive layer 12 is placed so that the base film 13 faces the first adhesive layer 12, and the first transparent film 11 is formed by using a sheeting machine.
- the first adhesive layer 12 and the sheet 10b on which the embossed pattern is formed are laminated to form the preliminary decorative films 10 and 10c.
- the first adhesive layer 12 may be formed on the lower surface of the base film 13 instead of the first transparent film 11.
- the first decorative film 10, the first adhesive layer 12 and the embossed sheet 10b is laminated so that the preliminary decorative films 10 and 10c are completely laminated. ) May further be subjected to a aging step to sufficiently cure the adhesive by storage for about 20 to 30 hours.
- an adhesive is applied onto the second transparent film 16 of the preliminary decorative film 10 to form an adhesive layer 17.
- the release film 18 may be attached onto the adhesive layer 17.
- 4 to 6 are exemplary embodiments of the curved multilayer sheet manufactured by the method of manufacturing the high gloss curved multilayer sheet described above.
- the curved decorative panel includes a decorative film 10, a plastic sheet layer 20 formed on the decorative film 10, and a hard coating layer formed on the plastic sheet layer 20. do.
- the decorative film 10 is manufactured by printing various patterns on the base film 13 to form a printed layer 14.
- the decorative film 10 may further include a pressure-sensitive adhesive layer 17 formed on the printing layer 14, as shown in Figure 5, the plastic sheet layer 20 is a pressure-sensitive adhesive layer 17 It may be formed on).
- the pressure-sensitive adhesive layer 17 is formed by applying an adhesive on the printing layer 14.
- the base film 13 is preferably made of an olefin resin such as polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) or polyvinyl chloride (PVC), but is not necessarily limited thereto.
- PE polyethylene
- PP polypropylene
- PET polyethylene terephthalate
- PVC polyvinyl chloride
- Various printing methods may be used as the method for forming the print layer 14, and among them, silk printing or gravure printing may be used to effectively express various designs and colors.
- the pressure-sensitive adhesive layer 17 may be formed by applying a (meth) acrylic or silicone pressure-sensitive adhesive, and it is preferable to use a transparent pressure-sensitive adhesive so that the printed layer 14 is easily seen.
- the decorative film may have various multilayer structures, and the decorative film of various structures may be used in the present invention without limitation.
- the decorative film may include the first transparent film 11, the first adhesive layer 12, and the first adhesive layer 12 formed on the first transparent film 11.
- the printed layer 14 formed on the base film 13 On the base film 13 attached, the printed layer 14 formed on the base film 13, the second adhesive layer 15 formed on the printing layer 14, the second adhesive layer 15
- the second transparent film 16 and the adhesive layer 17 formed on the second transparent film 16 may be formed.
- an olefin material such as polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), an acrylic material, a PVC material, or the like may be used. It is not necessarily limited thereto.
- the first adhesive layer 12 and the second adhesive layer 15 apply an adhesive having an adhesive force capable of closely bonding the first transparent film 11, the second transparent film 16, and the base film 13. And the adhesive may be easily selected and used by those skilled in the art to which the present invention pertains.
- both transparent, translucent, or opaque films may be used. Among them, in order to block light and make the print layer 14 clearly visible, an opaque film colored with black or the like is more preferable. Do.
- the printing layer 14 is typically formed on the upper surface of the base film 13, but may be simultaneously formed on the lower surface of the base film 13 through back printing.
- the base film 13, the printing layer 14, the second adhesive layer 15, and the second transparent film 16 are embossed. Can be formed.
- the release film 18 may be attached on the adhesive layer 17 of the decorative film 10.
- the release film 18 serves to protect the pressure-sensitive adhesive layer 17 and is easily peeled off because it is weakly attached onto the pressure-sensitive adhesive layer 17.
- the decorative film 10 includes the pressure-sensitive adhesive layer 17 and the release film 18, the release film 18 is peeled off and removed before the decorative film 10 is laminated with the plastic sheet layer 20, and the decoration film The plastic sheet layer 20 is attached and laminated on the pressure-sensitive adhesive layer 17 of (10).
- a silk pattern was printed on the polyethylene film, and an acrylic transparent adhesive (A & G Lab PR-910) was applied on the printed layer, and then a polyester release film was attached thereto to prepare a decorative film.
- the release film was removed from the produced decorative film and continuously supplied to a laminating roller, and the PMMA sheet having a thickness of 0.3 mm (Sehwa Precision Industries, Ltd.) and the decorative film were laminated together by passing through the laminating roller.
- the hard coating composition on the PMMA sheet laminated with the decorative film is about 20% by weight of a fluorine acrylate compound of Dainippon Ink & Chemical, about 30% by weight of dipentacryltritol hexaacrylate, and about 1-hydroxy cyclohexylphenyl ketone.
- Pre-curing was performed by irradiating ultraviolet rays of 300 mJ / cm 2 light using a high pressure mercury lamp. Thereafter, a vacuum molded machine (manufactured by VF Korea, Inc.) was used to manufacture a molded article including a curved surface. The pre-cured hard coating layer of the molded article including the curved surface was irradiated with ultraviolet light of about 700 mJ / cm 2 to carry out main-curing to prepare a final curved multilayer sheet.
- the thickness of the coating film produced by the dried hard coating composition was the same except that the thickness of the coating film was about 15 ⁇ m.
- the procedure was the same except that pre-curing was performed by irradiating ultraviolet light of about 100 mJ / cm 2 in the course of the above embodiment.
- the procedure was the same except that pre-curing was performed by irradiating ultraviolet light of about 700 mJ / cm 2 in the course of the above embodiment.
- the surface hardness of the embodiment measured after precure was measured at 1H, and when cracking was observed when 200% elongation was formed, cracks did not occur and thus had excellent molding workability. Able to know.
- the glossiness is measured as about 96%, it can be seen that it has an excellent glossiness compared to the conventional spray coating or dipping coating.
- Comparative Example 3 the surface hardness was measured as 2H, and cracks were generated, resulting in poor molding workability. This is due to the amount of precure ultraviolet radiation of about 700 mJ / cm 2 .
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Abstract
Description
구분 | 시험법 | 설비 | 기타 | |
프리큐어링 후 물성 | 표면경도 | JIS-K5400 | 미쓰비시 연필경도 시험기 | - |
성형 작업성 | 외관 확인 | - | 신율 200% 성형시 Crack 발생 육안 확인 | |
메인큐어링 후 물성 | 표면경도 | JIS-K5400 | 미쓰비시 연필경도 시험기 | - |
부착력 | JIS-K5400 | 3M 점착 Tape Cross Cut 시험 | Cross Cut 100 % 부착시 ○로 표시하며, 95 % 이상시 △로 표시함 | |
광투과율 | JIS-K7105 | Kurabo 색차계 | 550 nm | |
광택도 | ASTM-D2457 | BYK 광택계 | - |
구분 | 실시예 | 비교예1 | 비교예2 | 비교예3 | |
프리큐어링 후 물성 | 표면경도 | 1H | 1B | 2B | 2H |
성형 작업성 | Crack 발생 無 | Crack 발생 有 | Crack 발생 無 | Crack 발생 有 | |
메인큐어링 후 물성 | 표면경도 | 4H | 5H | 4H | 5H |
부착력 | ○ | ○ | △ | ○ | |
광투과율 | 91% | 89% | 91% | 91% | |
광택도 | 96% | 86% | 97% | 96% |
Claims (20)
- 불소계 아크릴레이트 화합물 약 5 ~ 60 중량%, (메타)아크릴레이트 모노머 약 5 ~ 50 중량%, 광중합 개시제 약 0.1 ~ 10 중량% 및 비스페놀계 수지 약 1 ~ 35 중량% 를 포함하여 이루어지는 것을 특징으로 하는 하드코팅 조성물.
- 제1항에 있어서, 상기 하드코팅 조성물은 광안정제 약 0.01 ~ 1 중량%를 더 포함하는 것을 특징으로 하는 하드코팅 조성물.
- 제1항에 있어서, 상기 하드코팅 조성물은 점도가 25℃에서 약 1 내지 약 300cps인 것을 특징으로 하는 하드코팅 조성물.
- 제1항에 있어서, 상기 하드코팅 조성물은 용매를 약 5 내지 80 중량% 더 포함하는 것을 특징으로 하는 하드코팅 조성물.
- 제1항 내지 제4항 중 어느 한 항의 하드코팅 조성물로 형성된 하드코팅층; 및상기 하드코팅층 일면에 형성된 플라스틱시트층;을 포함하여 이루어지는 것을 특징으로 하는 다층시트.
- 제5항에 있어서, 상기 하드코팅층은 플라스틱시트층 상에 약 1 ㎛ 이상 약 12 ㎛ 미만의 두께로 형성된 것을 특징으로 하는 다층시트.
- 제5항에 있어서, 상기 하드코팅층은 ASTM D-2457 에 의해 측정한 광택도가 약 95 % 이상이며, 신율 200% 성형시 크랙이 발생하지 않고 표면 경도가 4H 이상인 것을 특징으로 하는 다층시트.
- 제5항에 있어서, 상기 플라스틱시트의 타면에 장식필름이 형성된 것을 특징으로 하는 다층시트.
- 제8항에 있어서, 상기 다층시트는 곡면이 포함된 형상인 것을 특징으로 하는 다층시트.
- 제8항에 있어서, 상기 장식필름은 기재필름상에 인쇄층이 형성된 것을 특징으로 하는 다층시트.
- 제10항에 있어서, 상기 장식필름은 상기 인쇄층 상에 형성된 점착제층을 더 포함하는 것을 특징으로 하는 다층시트.
- 제11항에 있어서, 상기 장식필름은 제1투명필름, 상기 제1투명필름 상에 형성된 제1접착제층, 상기 제1접착제층 상에 부착된 기재필름, 상기 기재필름 상에 형성된 인쇄층, 상기 인쇄층 상에 형성된 제2접착제층, 상기 제2접착제층 상에 부착된 제2투명필름 및 상기 제2투명필름 상에 형성된 점착제층을 포함하는 것을 특징으로 하는 다층시트.
- 제12항에 있어서, 상기 기재필름, 인쇄층, 제2접착제층 및 제2투명필름 중 최소한 하나는 엠보싱 무늬가 형성되어 있는 것을 특징으로 하는 다층시트.
- a) 장식필름의 일면에 플라스틱시트층이 형성된 평판 복합 시트를 준비하고;b) 상기 플라스틱시트층 상에 제1항 내지 제4항 중 어느 한 항의 하드코팅 조성물을 도포하고;c) 상기 하드코팅 조성물에 자외선을 조사하여 프리큐어된(pre-cured) 하드코팅 층을 형성하고;d) 상기 프리큐어된(pre-cured) 하드코팅 층이 형성된 평판 복합 시트를 곡면이 포함된 최종 형상으로 성형하고; 그리고e) 상기 프리큐어된(pre-cured) 하드코팅 층에 자외선을 조사하여 하드코팅 메인큐어링(main-curing)층을 형성하는;단계를 포함하는 것을 특징으로 하는 다층시트의 제조 방법.
- 제14항에 있어서, 상기 c) 단계에서 자외선을 약 200 ~ 300 mJ/cm2 의 범위로 조사하는 것을 특징으로 하는 다층시트의 제조 방법.
- 제14항에 있어서, 상기 프리큐어된(pre-cured) 하드코팅 층은 표면 경도가 약 1B ~ 1H 인 것을 특징으로 하는 다층시트의 제조 방법.
- 제14항에 있어서, 상기 e) 단계에서 자외선을 500 mJ/cm2 이상으로 조사하는 것을 특징으로 하는 다층시트의 제조 방법.
- 제14항에 있어서, 상기 하드코팅 메인큐어링(main-curing)층의 표면 경도는 4H 이상인 것을 특징으로 하는 다층시트의 제조 방법.
- 제14항에 있어서, 상기 하드코팅 조성물은 플라스틱시트층 상에 1 ㎛ 이상 12 ㎛ 미만의 두께로 도포되는 것을 특징으로 하는 다층시트의 제조 방법.
- 제14항에 있어서, 상기 장식필름은,상기 기재필름 상에 인쇄층을 형성하고, 상기 인쇄층 상에 접착제를 도포하여 제2접착제층을 형성하고;상기 제2접착제층 상에 제2투명필름을 위치시키고, 상기 기재필름, 인쇄층, 제2접착제층 및 제2투명필름을 합지하여 하나의 시트를 만들고;엠보싱기를 사용하여 상기 시트에 엠보싱 무늬를 형성하고;제1투명필름 상에 접착제를 도포하여 제1접착제층을 형성하고;상기 기재필름이 상기 제1접착제층을 향하도록 상기 엠보싱 무늬가 형성된 시트를 상기 제1접착제층 상에 위치시키고, 상기 제1투명필름, 제1접착제층 및 엠보싱 무늬가 형성된 시트를 합지하여 예비 장식필름을 만들고; 그리고상기 예비 장식필름의 제2투명필름 상에 접착제를 도포하여 점착제층을 형성하는;단계를 포함하여 제조되는 것을 특징으로 하는 다층시트의 제조 방법.
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CN103607683B (zh) * | 2013-08-30 | 2017-12-15 | 歌尔股份有限公司 | 一种扬声器振膜及其制造方法 |
KR101601563B1 (ko) | 2014-12-30 | 2016-03-08 | 현대자동차주식회사 | 표면 거칠기가 향상된 고광택 abs 시트 및 이의 제조방법 |
JP6903012B2 (ja) * | 2015-03-23 | 2021-07-14 | レオンハード クルツ シュティフトゥング ウント コー. カーゲー | フォイルを適用するための方法、適用装置及びプリント装置 |
WO2021140874A1 (ja) * | 2020-01-08 | 2021-07-15 | リケンテクノス株式会社 | Bステージ塗膜、積層フィルム、三次元成形体、及びこれらの製造方法 |
KR102289115B1 (ko) * | 2021-01-06 | 2021-08-24 | 주식회사 티케이 | 저온 내굴곡성이 우수한 고광택성 외장패널 및 그 제조방법 |
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KR20070015163A (ko) * | 2004-03-30 | 2007-02-01 | 가부시키가이샤 도모에가와 세이시쇼 | 저반사부재 |
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