WO2005120830A1 - 積層体 - Google Patents
積層体 Download PDFInfo
- Publication number
- WO2005120830A1 WO2005120830A1 PCT/JP2005/010686 JP2005010686W WO2005120830A1 WO 2005120830 A1 WO2005120830 A1 WO 2005120830A1 JP 2005010686 W JP2005010686 W JP 2005010686W WO 2005120830 A1 WO2005120830 A1 WO 2005120830A1
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- WIPO (PCT)
- Prior art keywords
- layer
- resin
- ethylene
- polyurethane resin
- laminate
- Prior art date
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Classifications
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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
- B32B27/08—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
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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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
- B32B2323/00—Polyalkenes
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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
- B32B2369/00—Polycarbonates
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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
- B32B2375/00—Polyureas; Polyurethanes
Definitions
- the present invention relates to a medical or industrial adhesive film (tape), a decorative adhesive film (tape) such as a sticker or a marking film for sticking to a sign or various parts, and a building such as a house.
- the present invention relates to a polyolefin resin laminate used for interior and exterior materials of articles and decorative sheets used for decorative materials such as furniture and home appliances.
- adhesive films for medical or industrial use
- adhesive films for decoration such as stickers and marking films for sticking to signboards and various parts, and housings and the like
- Laminating films used for interior and exterior materials of buildings and decorative sheets used as surface decorative materials for furniture and household appliances, home appliances, etc. are colored, heat-laminated and embossed.
- polychlorinated vinyl resin film is frequently used.
- Polyvinyl chloride resin film has the danger of generating hydrogen chloride gas etc. during incineration and disposal. Because of that, it can not be treated with simple incineration equipment
- Patent Document 1 a polyolefin resin layer and a resin-containing layer such as a copolymer with a monomer represented by (2 1 2 1 2 or an alkyl group having 1 to 10 carbon atoms).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-340991
- the present invention has been made to solve the problems in the conventional technology, and has as its object to provide a polyolefin resin laminate particularly suitable for thermal lamination. Means for solving the problem
- R is hydrogen or a C1-C0 alkyl group represented by LO
- the laminated body according to 1> comprising at least one selected from the group consisting of
- R represents hydrogen or a methyl group, and R represents hydrogen or a carbon atom of 1 to: LO
- Laminate having at least one member selected from the group consisting of a copolymer of a monomer represented by an alkyl group and maleic anhydride and a maleic anhydride-modified polyethylene resin.
- the polyurethane resin layer C force polycarbonate polyurethane resin, (X) an adduct of an aliphatic diisocyanate, an adduct of an alicyclic diisocyanate, and an adduct of an aromatic diisocyanate;
- the force of the reactant obtained by reacting at least one kind selected from the group force of the force.
- the polycarbonate polyurethane resin is a reaction product obtained by reacting a polycarbonate diol with at least one member selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, and having a hydroxyl group at a molecular terminal.
- ⁇ 6> A laminate obtained by providing a printing layer D and a base layer E in this order on the polyurethane resin layer C side surface of the laminate according to any one of ⁇ 1> to ⁇ 5>,
- a main component is a reaction product obtained by reacting the polyester polyurethane resin isophorone diisocyanate with polyforce prolatatone polyol.
- the heat-bondable laminate of the present invention can be easily and firmly formed by heat bonding without the necessity of using a dry lamination method which has been conventionally used for bonding a polyolefin resin film to a non-polyolefin resin adherend. Can be laminated on the adherend.
- the bonding force is lower than that of conventional heat bonding, so it is possible to obtain a sufficient bonding force without lowering the productivity, and it can be used for adhesive films (tapes) for medical applications, signs and various parts.
- Decorative films (tapes) such as stickers and marking films for the purpose of sticking, interior and exterior materials of buildings such as houses, and decorative sheets used for surface decorative materials such as furniture and fixtures and home appliances. ⁇ Preferably used.
- FIG. 1 is a side sectional view showing an embodiment of a laminate of the present invention.
- FIG. 2 is a side sectional view showing an embodiment of the laminate of the present invention.
- FIG. 3 is a side sectional view showing an embodiment of the laminate of the present invention.
- FIG. 4 is a side sectional view showing an embodiment of the laminate of the present invention.
- the laminate of the present invention comprises a polyolefin resin layer A (hereinafter, referred to as "layer A”), a resin layer B containing an adhesive polyolefin resin (hereinafter, “layer B” t), and polycarbonate.
- layer A a polyolefin resin layer A
- layer B a resin layer containing an adhesive polyolefin resin
- layer C a polyurethane resin layer
- a polyolefin resin layer may be further laminated on the layer A side surface of the laminate.
- the polyolefin resin layer provided on the outside of the layer A may have the same composition as the layer A, but is preferably a polyolefin resin layer having a composition different from that of the layer A.
- polyolefin resin used in the layer A in the present invention examples include polyethylene resin, polypropylene resin, polyolefin-based thermoplastic elastomers, mixtures thereof, and mixtures of these with other resins.
- Polyethylene resins include ethylene homopolymers, copolymers of ethylene with ethylene as a main component and other copolymerizable monomers (low-density polyethylene (LDPE), high-pressure Polyethylene, linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), ethylene oc-olefin copolymer obtained by polymerization using a meta-mouth catalyst (Metacene styrene-based polyethylene) and mixtures thereof.
- LDPE low-density polyethylene
- LLDPE linear low-density polyethylene
- HDPE high-density polyethylene
- ethylene oc-olefin copolymer obtained by polymerization using a meta-mouth catalyst Metalacene styrene-based polyethylene
- Examples of the polypropylene resin include a propylene homopolymer (homopolypropylene), a copolymer, and a mixture thereof.
- Examples of the copolymer include a random copolymer of propylene and ethylene or another a-olefin (random polypropylene), a block copolymer (block polypropylene), a block copolymer containing a rubber component, or a graft polymer.
- aolefins copolymerizable with propylene are preferably those having 4 to 12 carbon atoms, for example, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-heptene, —Octene, 4-methyl-1-pentene, 1-decene, etc., and one or a mixture of two or more thereof is used.
- the mixing ratio of a-olefin (including ethylene) is preferably 1 to 10% by weight, particularly preferably 2 to 6% by weight based on propylene.
- polyolefin-based thermoplastic elastomer examples include gen-based rubbers (elastomers) such as isoprene rubber, butadiene rubber, butynole rubber, ethylene butadiene rubber, propylene butadiene rubber, Atari mouth nitrile-butadiene rubber and acrylonitrile-isoprene rubber.
- gen-based rubbers elastomers
- isoprene rubber such as isoprene rubber, butadiene rubber, butynole rubber, ethylene butadiene rubber, propylene butadiene rubber, Atari mouth nitrile-butadiene rubber and acrylonitrile-isoprene rubber.
- Ethylene propylene rubber ethylene propylene non-conjugated gen rubber, low-crystalline propylene homopolymer with a crystal heat of fusion ( ⁇ ) of less than lOOgZj (Idemitsu TPO manufactured by Idemitsu Petrochemicals Co., Ltd., CAP manufactured by Ube Industries, Ltd.) UT2115 manufactured by Ube Lexen Co., Ltd.), polyolefin resin obtained by multi-stage polymerization (Kyataroy manufactured by San-Alomer Co., Ltd., Zelas manufactured by Mitsubishi Chemical Co., Ltd., PER manufactured by Tokuyama Corporation), and the above rubber (component) and polyethylene Dynamic cross-linking of resin and mixtures with Z or polypropylene resin Polio Refin Resin (Thermorun, manufactured by Mitsubishi Idani Gaku Co., Ltd., Santoprene, manufactured by Advanced Elastomer Systems Co., Ltd., Mirastomer, manufactured by Mitsui Danigaku Co.,
- the above-mentioned heat of crystal fusion ( ⁇ ) is defined as the difference between the melting point of resin and the melting point of the resin once, using a differential scanning calorimeter (DSC), followed by cooling at a rate of 10 ° CZ. It is the value calculated from the crystal peak area on the DSC chart at the time of the above.
- the polyolefin resin obtained by the above-mentioned multi-stage polymerization method is a copolymer obtained by multi-stage polymerization of (i) a hard segment and (ii) a soft segment in a reactor in more than one step.
- the hard segment may be a propylene homopolymer block or a copolymer block of propylene and ⁇ -olefin.
- Locks include, for example, binary or ternary copolymer blocks such as propylene Z ethylene, propylene Zi-butene, and propylene Z ethylene Z1-butene.
- the soft segment may be an ethylene homopolymer block or a copolymer block of ethylene and ⁇ -olefin, such as ethylene propylene, ethylene Zl-butene, and ethylene Z propylene Z1-butene.
- terpolymer blocks are binary or ternary copolymer blocks such as propylene Z ethylene, propylene Zi-butene, and propylene Z ethylene Z1-butene.
- Examples of the other resins that can be used by mixing with these polyolefin resins include styrene-butadiene-based thermoplastic elastomers such as styrene-butadiene rubber (SBR) and styrene-butadiene block copolymer.
- SBR styrene-butadiene rubber
- Styrene-based thermoplastic elastomers such as styrene-isoprene rubber (including their hydrogenated products) are mentioned.
- These other resins can be added in an amount of 0 to 60 parts by weight based on 100 to 40 parts by weight of the polyolefin resin.
- a resin containing polypropylene resin as a main component is particularly preferable.
- Layer A contains the above-mentioned polyolefin resin, preferably in an amount of 50 to: LOO% by weight, more preferably 60 to 100% by weight.
- the adhesive polyolefin resin used for the layer B includes:
- R is hydrogen or a C1-C0 alkyl group represented by LO
- Those containing at least one component selected from the group consisting of power and group power are preferred, especially those containing 50% by weight of LOO.
- Ethylene ionomer resins include those in which a part of the carboxyl groups of the ethylene'a, ⁇ unsaturated carboxylic acid copolymer is neutralized by metal ions, and those of ethylene ⁇ ⁇ , ⁇ unsaturated carboxylic acid ⁇ It is preferable that a part of the carboxyl groups of the ⁇ , ⁇ unsaturated carboxylic acid ester copolymer be neutralized by a metal ion.
- the above copolymer before neutralization Ethylene units in the copolymer (units derived from ethylene in the copolymer, ie, “one CH—CH
- Proportion of) is preferably from 75 to 99.5 mol%, more preferably from 88 to 98 mole 0/0, a, ratio of j8- unsaturated carboxylic acid unit is preferably 0.5 to 15 Monore 0/0, more preferably from 1 to 6 Monore 0/0, Chikaratsu a, J8- proportion of unsaturated force Norebon acid ester units, preferably 0 to 10 mol 0/0, more preferably 0 6 mol 0/0 Ru der.
- the proportion of a, j8-unsaturated carboxylic acid units in the copolymer is less than 0.5 mol%, the adhesiveness of the resulting ethylene ionomer resin may be impaired. The heat resistance of the resulting ethylene ionomer resin may be reduced.
- the presence of a, j8-unsaturated carboxylic acid ester units can impart flexibility to the resulting ethylenic ionomer resin, but is preferred when the content exceeds 10 mol%. May have reduced heat resistance.
- ⁇ unsaturated carboxylic acid constituting the copolymer those having 3 to 8 carbon atoms are preferably used, and acrylic acid, methacrylic acid and phthalic acid are more preferably used.
- a, j8-The unsaturated carboxylic acid esters preferably have 4 to 8 carbon atoms, more preferably methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, isobutyl acrylate, methacrylic acid. Butyl acid and dimethyl phthalate are used.
- the proportion of the carboxy group neutralized by the metal ion is preferably 5 to 80%, more preferably 5 to 80%, of all the carboxyl groups in the copolymer. 10-75%.
- the metal ion include a metal ion having a valence of 1 to 3 and, in particular, a metal ion having a valence of 1 to 3 of Group 1, 2, 3, 4 or 7 in the periodic table.
- Such include, for example, Na +, K +, Li +, Cs +, Ag +, Hg +, Cu +, Be ++ , Mg ++ , Ca ++ , Sr ", Ba ++ , Cu ++ , Cd ++ , , Sn ++ , Pb ++ , F, Co ++ , ⁇ , Zn ++ , Al +++ , Sc +++ , Fe ⁇ , Yt +++, etc.
- These metal ions are 2 Mixtures of more than one species may be used in admixture with good ammonium ions, of which Zn ++ and Na + are particularly preferred.
- the multi-component copolymer refers to a copolymer obtained by copolymerizing three or more types of monomers.
- a copolymer of ethylene and a monomer represented by the general formula CH C (R) -COOR is formed.
- it is 50 to 95: 50 to 5. More preferably, it is 60 to 90: 40 to 10.
- the content of the maleic anhydride unit is converted to 0.1 to 10% by weight in terms of the weight of maleic anhydride, and more preferably 0.5 to 10% by weight in view of moldability and heat adhesion. 5% by weight
- Examples of the maleic anhydride-modified polyolefin resin include those obtained by modifying maleic anhydride to a polyolefin resin.
- Examples of the polyolefin resin include polyethylene resin, polypropylene resin, and ethylene-butyl acetate copolymer. Is mentioned.
- As the polyethylene resin and the polypropylene resin those mentioned in the description of the layer A can be used.
- maleic anhydride-modified polyolefin resin maleic anhydride-modified polyethylene resin and maleic anhydride-modified polypropylene resin are particularly preferred.
- OR unit a, ⁇ unsaturated carboxylic acid unit, ethylene 'a, ⁇ unsaturated carboxylic acid
- the amount of the adhesive polyolefin resin may be adjusted to the total weight, preferably 0.5 to 50% by weight, more preferably 2 to 25% by weight, and blended in the layer B. .
- the content of the adhesive component is small, sufficient adhesive strength cannot be obtained, and when the content of the adhesive component is large, the laminate is formed into a product such as a film, and the blocking phenomenon occurs after the product is wound and stored. It is not preferable because it easily occurs.
- the layer B may contain the polyolefin resin or the like mentioned in the description of the layer A.
- the layer A and the layer B of the present invention contain an ultraviolet absorber and a Z or hindered amine light stabilizer.
- ultraviolet absorber examples include salicylate ester, benzophenone, benzotriazole, cyanoacrylate, and triazine ultraviolet absorbers.
- examples of the salicylate-based ultraviolet absorber include phenyl salicylate, 4 t-butyl thiol-rutha salicylate, and the like.
- Examples of the benzophenone-based ultraviolet absorber include 2,2'dihydroxy-4-methoxybenzophenone, 2,2'dihydroxy-4,4'dimethoxybenzophenone, and 2,2 ', 4,4'-tetrahy- drogen.
- 2,2'-dihydroxybenzophenone-based UV absorbers such as droxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4n-otatoxybenzophenone, 2-hydroxy-14-methoxy-12 '-Carboxybenzophenone, 2-hydroxy-14-benzoyloxybenzophenone, 2-hydroxy-15-chlorobenzophenone, 2-hydroxy-14-methoxy-15-sulfonbenzophenone, etc.
- Absorbents 2,4 dihydroxybenzophenone, bis- (2-methoxy-1 4- (Hydroxy-5-benzoylphenyl) methane and the like.
- benzotriazole-based ultraviolet absorber 2- [2'-hydroxy-1 3 '-(3 ", 4", 5 ", 6" -tetrahydrophthalimidomethyl) 5'-methylphenyl] benzotriazole ( Molecular weight 388), 2- [2-hydroxy-3,5-bis ( ⁇ , ⁇ -dimethylbenzyl) phenyl] -1-2 ⁇ benzotriazonole (molecular weight 448), 2,2-methylenebis [4- (1,1 , 3,3-tetramethylbutyl-6- (2-benzotriazole-2-yl) phenol) (molecular weight: 657).
- cyanoacrylate-based ultraviolet absorbers examples include 2-ethylhexyl-2 cyano 3,3 diphenyl atalylate, ethyl 2-cyano 3,3 diphenyl atalylate, and octyl-2 cyano 3,3 diphenyl. Atarilate and the like.
- Triazine-based ultraviolet absorbers include 2,4 bis (2,4 dimethylphenyl) -6- (2-hydroxy-14- ⁇ -octyloxyphenyl) 1,3,5 triazine, 2- (4,6 diphenyl-1,3,5-triazine-1-yl) 5-((hexyl) oxy) -phenol, 2- (4,6-bis (2,4 dimethylphenyl) — 1,3,5 triazine—2—yl) —5— (octyloxy) phenol, 2— (4,6 diphenyl-1,3,5 triazin-1-yl) —5— (otatiloxy ) Phenol, 2- (4,6 bis (2,4 dimethylphenyl) 1,3,5 triazine-1-yl) 5- (hexyloxy) phenol, 2- (4,6 diphenyl -1, 3,5-triazine-1-yl) 5-((methyl) oxy) phenol
- a benzotriazole-based or triazine-based ultraviolet absorber having a molecular weight of 300 or more is preferable because it is difficult to blow out to the surface of the layer after lapse of time.
- the blending amount of the ultraviolet absorber is preferably 0.01 to 10 parts by weight, particularly preferably 0.05 to 5 parts by weight, per 100 parts by weight of the resin component in each layer. If the amount is less than 0.01 part by weight, the effect of preventing brown deterioration is insufficient, and even if the amount exceeds 10 parts by weight, the effect corresponding to the amount is not obtained and bleeding may occur. There is.
- hindered amine light stabilizers examples include 2,2,6,6-tetramethylpiberidilu 4-benzoate, bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate, and tris (2,2 , 6,6-tetramethyl-1-piberidyl) phosphite (Chinoku Geigy Co., Ltd. 944 "), 1,3,8 Triaza-7,7,9,9-Tetramethyl-3-n-octylpyrro [4,5] decane-1,4 dione (Tinoku Geigy Co., Ltd.
- Tinuvin 144 1,2,3,4-Tetra (4-carbo-loxy-2,2,6,6-tetramethylpiperidyl) -butane, 1,3,8—Triaza-1,7 , 9,9-Tetramethyl-1,2 dioxo-spiro [4,5] decane, tri (4-acetoxy 2,2,6,6-tetramethylpiperidyl) amine, 4-stearoyloxy 2,2,6 6-tetramethylpiperidine, 4 benzyloxy-2,2,6,6-tetramethylpiperidine, 4 phenylcarbamoyloxy 2,2,6,6 tetramethylpiperidine, 4—P toluenesulfuroxy-2, 2,6,6-tetramethylpididine, bis (2,2,6,6-tetramethyl-4-piperidyl) terephthalate, and the like.
- those having a molecular weight of 1,000 or more are preferred because they are difficult to blow out to the surface of the base layer after aging and have good long-term weather resistance.
- compounds having a hindered amine skeleton in a polyolefin resin are copolymerized. It is preferable because the blowout is difficult.
- the blending amount of the hindered amine light stabilizer is preferably 0.01 to: LO parts by weight per 100 parts by weight of the resin component in each layer. If the amount is less than 0.01 part by weight, the stabilizing effect may be insufficient.Even if the amount is more than 10 parts by weight, the effect corresponding to the amount cannot be obtained, and May cause.
- the layers A and B of the laminate of the present invention may further contain other additives such as an antioxidant, a slipping agent, a coloring agent, a filler, and a nucleating agent, if necessary. They may be combined within a range that does not impair the purpose of the invention. As for these additives, it is common to use those which are previously blended with a resin at a high concentration (master batch).
- the method for producing the layers A and B is not particularly limited as long as a general polyolefin resin film forming method such as a T-die extrusion molding method, an inflation molding method, and a calendar molding method is used.
- a laminate in which the polyolefin resin layer A and the layer B are laminated by the above-described method may be manufactured.
- the surface of the layer B may be subjected to a pretreatment such as a corona discharge treatment to improve the adhesion to the layer C and the like.
- the thickness of the laminate which also provides the layer A and layer B forces, varies depending on the intended use and the like. However, when the laminate is used for a decorative film or the like, it has a thickness of 0.05 from the viewpoint of post-processing or easy handling. ⁇ Lmm, especially 0.05 ⁇ 0.50mm is preferred! / ⁇ . [0049]
- the thickness ratio of layer A to layer B is preferably 99Z1 to: L0Z90, and more preferably 9 ⁇ to 5 ⁇ 50. If layer B is too thin, sufficient adhesiveness cannot be obtained, and if too thick, film (layer) molding becomes difficult, which is not preferable.
- a polyurethane resin layer C (“layer C”) containing polycarbonate polyurethane resin as a main component is further provided on the surface of layer B opposite to the surface in contact with layer A. Being done.
- Layer C has a polycarbonate polyurethane resin content of 50 to: LOO wt% is preferred.
- a polyurethane resin other than the polycarbonate polyurethane resin and other resins may be blended in the layer C as long as the object of the present invention is not impaired.
- Examples of the polycarbonate polyurethane resin include a reaction product obtained by reacting a polycarbonate diol with a diisocyanate compound.
- the reaction product preferably has a weight average molecular weight of 15,000 to 150,000. . If the weight average molecular weight is less than 15,000, an excessive amount of a cross-linking agent is required to improve the drying property.As a result, the degree of cross-linking becomes high, and it becomes difficult to obtain a flexible layer C. Is undesirably reduced.
- the polycarbonate diol is represented by the following general formula (p).
- the polycarbonate diol is obtained, for example, by reacting at least one compound selected from the group consisting of alkylene carbonate, diaryl carbonate, and dialkyl carbonate with a diol and Z or a polyether polyol.
- alkylene carbonate examples include ethylene carbonate, 1,2-propylene carbonate, 1,2-butylene carbonate and the like.
- diaryl carbonate examples include diphenyl carbonate, phenyl lunaphthinole carbonate, dinaphthinole carbonate, 4-methyldiphenyl carbonate, 4-ethyl diphenyl carbonate, 4-propyl diphenyl carbonate, and 4 , 4'-Dimethyl dicarbonate, 4, 4 'Jethyl diphenyl carbonate, 4, 4' gypsum Mouth-piluyile carbonate and the like.
- dialkyl carbonate examples include dimethyl carbonate, getyl carbonate, di-propynolecarbonate, diisopropyl carbonate, di-n-butynolecarbonate, diisobutylinolecarbonate, di-butynolecarbonate, and di-n-aminole carbonate. Carbonate, diisoamyl carbonate and the like.
- Examples of substances to be reacted with these carbonates include diols such as ethylene glycol, 1,2 propanediol, 1,3 propanediol, 1,3 butanediol, 1,4 butanediol, and 2-methyl- 1,3 propanediol, neopentyl glycol, 2-methyl-pentanediol, 3-methyl-pentanediol, 2,2,4 trimethyl-1,6 hexanediol, 2,3,5 trimethylpentanediol and mixtures thereof No.
- diols such as ethylene glycol, 1,2 propanediol, 1,3 propanediol, 1,3 butanediol, 1,4 butanediol, and 2-methyl- 1,3 propanediol, neopentyl glycol, 2-methyl-pentanediol, 3-methyl-pentanediol, 2,2,4 trimethyl-1,6 hexanedio
- polyether polyols include, for example, polytetramethylene glycol obtained by ring-opening polymerization of tetrahydrofuran, carohydrates of diols with alkylene oxide, and mixtures thereof.
- diols used herein include, for example, ethylene glycolone, 1,2 propanediol, 1,3 propanediol, 1,3 butanediol, 1,4 butanediol, isomeric pentanediol, isomeric hexanediols Or, octanediols such as 2-ethyl-1,3-hexanediol, 1,2-bis (hydroxymethyl) -cyclohexanone, 1,3-bis (hydroxymethyl) -cyclohexanone, and 1,4-bis (hydroxymethyl) -cyclohexane
- alkylene oxide include ethylene oxide, propylene oxide, 1,2-butylene oxide, 1,3-butylene
- the above-mentioned diols and polyether polyols may be used alone or as a mixture of two or more. These can be reacted with at least one compound selected from the group consisting of the above-mentioned alkylene carbonate, diaryl carbonate and dialkyl carbonate by a known method to form a polycarbonate diol.
- the weight average molecular weight of the polycarbonate diol is preferably from 500 to 4,000, more preferably from 1,000 to 3,000, and if it is less than 500, the adhesive strength after thermal lamination is reduced. Phenomena such as bleeding and undulation are caused in appearance, which is not preferable.
- diisocyanate conjugates include hexamethylene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, hydrogenated tolylene diisocyanate, and xylene diisocyanate. And the like, aliphatic diisocyanates and alicyclic diisocyanates, and mixtures thereof.
- a ratio of about 7 to 1: 5 it can be produced by a known method.
- known methods such as a method of producing a high-molecular-weight polyurethane using a crosslinking agent or a chain extender after pre-polymerization in advance, or a method of producing a high-molecular-weight polyurethane by reacting all components in one step are used. Method.
- the reaction product obtained by reacting the polycarbonate diol with the diisocyanate conjugate for the purpose of forming the layer C having rubber elasticity is a linear product. It is preferable that the structure is mainly composed of a slab structure.
- the polycarbonate polyurethane resin is a reaction product obtained by reacting a polycarbonate diol with at least one member selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, and having a hydroxyl group at a molecular terminal. Those having a polycarbonate polyurethane resin having a weight average molecular weight of 15,000 to 150,000 as a main component are preferred.
- the polycarbonate polyurethane resin is preferably from 50 to 100% by weight in the polycarbonate polyurethane resin, particularly preferably from 70 to: LOO% by weight.
- the layer C of the present invention can be formed by using a one-component coating agent containing a polycarbonate polyurethane resin without adding a crosslinking agent. It can also be formed by mixing a polycarbonate polyurethane resin with a crosslinking agent by mixing a small amount of a crosslinking agent (curing agent) with a polycarbonate polyurethane resin as a main component.
- a crosslinking agent curing agent
- Examples of the crosslinking agent to be mixed include) aliphatic diisocyanate, alicyclic diisocyanate and And at least one diisocyanate conjugate selected from the group consisting of aromatic and diisocyanates and a group such as ethylene glycol, propylene glycol, hexanetriol and trimethylolpropane trimethatalate.
- the mixing ratio of the main component Z cross-linking agent depends on the hydroxyl value of the main component and the isocyanate content of the cross-linking agent. 10 to 30 parts by weight.
- the main agent or the main agent and the cross-linking agent are used after being dissolved in a solvent, and further adjusted to an appropriate concentration by using a diluting solvent or the like to form a coating agent.
- the coating is applied to the layer B side surface of the layered body of the layer A and the layer B using a general coating method such as the above, and dried to form a layer C.
- the dry film thickness of the obtained layer C is usually 0
- an organic powder or an inorganic powder may be blended in the layer C for the purpose of preventing the blocking in the roll state and the heat laminating step.
- Organic powders include polyurethane resin beads, polyacrylic resin beads, and polycarbonate resin beads, and inorganic powders include calcium carbonate, barium sulfate, silica, silica alumina, clay and the like. Pigments such as talc, talc, titanium oxide and carbon black.
- silica powder having an average particle diameter of 0.1 to 5 ⁇ m.
- the compounding amount of the organic powder and Z or the inorganic powder is usually 1 to 100 parts by weight based on 100 parts by weight of the resin component in the layer C. It should be used in an appropriate amount considering non-blocking properties.
- a known powdery or Z or liquid ultraviolet absorber and a light stabilizer such as a hindered amine light stabilizer and an antistatic agent may be added to the layer C.
- a light stabilizer such as a hindered amine light stabilizer and an antistatic agent
- the mixing ratio of the ultraviolet absorber and the light stabilizer is about 1Z3 to 3/1 (weight ratio), and it is possible to mix 1 to 70 parts by weight with respect to 100 parts by weight of the resin component in layer C.
- an antistatic agent having a quaternary ammonium base can be blended with respect to 100 parts by weight of the resin component in Layer C. If the amount is less than 0.5 part by weight, the antistatic effect is low. On the other hand, if the amount is more than 5.0 parts by weight, thermal adhesion may be impaired.
- the antistatic agent having a quaternary ammonium base include dimethyl sulfates and getyl sulfates having 1 to 20 carbon atoms such as alkyldimethylamines and alkylethylamines. Those having a hydroxyl group instead of hydrogen are preferred.
- the laminate of the present invention is obtained by laminating a printing layer D and a base material layer E on the layer C side surface of the laminate in this order, so that medical or industrial adhesive films (tapes), signboards and various Decorative adhesive film (tape) such as stickers and marking films for attaching to parts, etc., interior and exterior materials of buildings such as houses, and surface cosmetics such as furniture fixtures and home appliances. It can be suitably used for a decorative sheet to be used.
- the printing layer D preferably contains a polyester polyurethane resin in terms of productivity and adhesive strength, and its content is preferably 10 to 95% by weight, more preferably 15 to 90% by weight. %.
- a reaction product obtained by reacting isophorone diisocyanate with polyproprolataton polyol that is, reacting at least isophorone diisocyanate with polyproprolataton polyol is used.
- the content of the reactant in the polyester polyurethane resin is preferably 50 to: LOO% by weight.
- acrylate ester, methacrylate ester or these Other resins such as an acrylic copolymer containing the above mixture as a main component can be appropriately compounded in consideration of the adhesion to the base material layer E and the like.
- auxiliary agents such as a solvent, a dispersant, and an antifoaming agent can be added to the printing layer D, and these may be appropriately selected in consideration of the use and the like. It may be used.
- the [0081] substrate layer E, 50 to the polyolefin ⁇ : LOO weight 0/0, more preferably 60: is preferably one containing LOO wt%.
- the polyolefin resin those mentioned in the description of the layer A can be used.
- a method for producing the base layer E a general polyolefin resin film molding method such as a T-die extrusion molding method, an inflation molding method, and a calendar molding method may be used.
- the thickness of the base material layer E varies depending on the intended use, etc. When used for decorative films, etc., from the viewpoint of post-processing or ease of handling. 0. 50mm force ⁇ preferred! / ⁇ .
- the printing layer D is formed on the base layer E or on the primer layer provided on the base layer E using an ink containing a binder resin such as polyester polyurethane resin, a coloring agent, a solvent and the like.
- the printing may be performed by a known printing method such as gravure printing, offset printing, silk screen printing, or transfer printing from a transfer sheet.
- the picture pattern is not particularly limited, and may be a pattern according to the use. Specifically, for example, a wood grain pattern, a stone grain pattern, a grain pattern, a leather pattern, a geometric figure, a character, a symbol, or a solid image on the entire surface can be given.
- the printing layer D may have both a pattern layer having a pattern and a solid layer on the entire surface.
- the thickness of the printing layer D is usually about 0.1 to 200 / ⁇ .
- the laminate and the adherend are each heated by a heating drum or an electric heater. After heating to a temperature of 120 to 220 ° C, the force for laminating by pressing between a metal roll and a rubber roll or the force for laminating by pressing between a metal roll and a metal roll, or the metal roll is heated to A method of heating to a temperature of 220 ° C. and simultaneously performing lamination may be used.
- Coating solutions 1 and 2 were prepared as follows, and the coating thickness after drying any of the coating solutions on layer B of the laminated base material obtained in 1) by gravure roll coating was 1 ⁇ m. And dried with a hot air drier at 80 ° C for 10 seconds to form Layer C, thereby forming a laminate.
- Coating liquid 1 Polyhexamethylene polycarbonate diol and isophorone diisocyanate are mixed at a molar ratio of 1: 1 and reacted to obtain a polycarbonate resin having a weight average molecular weight of 50,000 and a weight of 50,000.
- a coating solution having the following composition was prepared using fat.
- Coating liquid 2 AR-4 (a coating liquid containing acrylic-modified polyurethane) manufactured by The Inktech Co., Ltd. was used.
- a wood grain pattern is formed by a gravure printing method using a printing ink having a composition of 30% by weight of a binder, 5% by weight of a coloring pigment, 50% by weight of methyl ethyl ketone and 15% by weight of methyl isobutyl ketone. It was formed (printing layer D) to obtain an adherend. 4) Evaluation of laminate
- the heat-bondable laminate of the present invention can be used for bonding a polyolefin resin film to a non-polyolefin resin adherend without using a dry lamination method. Thereby, it can be easily and firmly laminated on the adherend.
- the bonding force is lower than that of conventional heat bonding, so it is possible to obtain a sufficient bonding force without lowering the productivity, and it can be used for adhesive films (tapes) for medical applications, signs and various parts.
- Decorative films (tapes) such as stickers and marking films for the purpose of sticking, interior and exterior materials of buildings such as houses, and decorative sheets used for surface decorative materials such as furniture and fixtures and home appliances. ⁇ Preferably used.
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
Claims
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JP2004174636 | 2004-06-11 | ||
JP2004-174636 | 2004-06-11 | ||
JP2005165867A JP2006021530A (ja) | 2004-06-11 | 2005-06-06 | 積層体 |
JP2005-165867 | 2005-06-06 |
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Cited By (1)
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US9695338B2 (en) | 2012-05-16 | 2017-07-04 | 3M Innovative Properties Company | Decorative sheet containing a polyurethane layer and structure |
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JP4920383B2 (ja) * | 2006-11-24 | 2012-04-18 | ブリヂストンフローテック株式会社 | 多層チューブ |
JP2008132659A (ja) * | 2006-11-28 | 2008-06-12 | Bridgestone Flowtech Corp | 多層チューブ |
WO2012133301A1 (ja) * | 2011-03-31 | 2012-10-04 | Dic株式会社 | インクジェット記録媒体、印刷物、それらの製造方法及び包装材 |
JP5158458B2 (ja) * | 2011-06-27 | 2013-03-06 | Dic株式会社 | 耐熱性オレフィン系多層フィルム、その製造方法及びこれを用いる包装材 |
JP6422776B2 (ja) | 2011-09-19 | 2018-11-14 | ダウ グローバル テクノロジーズ エルエルシー | 層状構造及びそれから作製した物品 |
CN103813901B (zh) | 2011-09-19 | 2016-08-24 | 陶氏环球技术有限责任公司 | 多层结构件和由其制备的制品 |
JP6007671B2 (ja) * | 2012-08-21 | 2016-10-12 | 凸版印刷株式会社 | 積層体 |
WO2014179336A2 (en) * | 2013-04-29 | 2014-11-06 | Argotec Llc | Multi-layered assembly with tight peel control |
JP6467828B2 (ja) * | 2014-09-02 | 2019-02-13 | Dic株式会社 | 蓋材 |
CN108307626B (zh) * | 2016-03-11 | 2020-12-25 | 安特科技有限公司 | 保护片、制品及方法 |
JP6855956B2 (ja) * | 2016-07-13 | 2021-04-07 | 日本ポリプロ株式会社 | 加飾フィルムおよびそれを用いた加飾成形体の製造方法 |
DE102018101747A1 (de) * | 2018-01-26 | 2019-08-01 | Brückner Maschinenbau GmbH & Co. KG | Inline beschichtete biaxial orientierte Polypropylenfolie und Verfahren zu ihrer Herstellung |
JP7365064B2 (ja) * | 2021-07-20 | 2023-10-19 | 株式会社トヨックス | 多層管状成形体 |
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