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    • 2. 发明专利
    • Decorative sheet
    • 装饰片
    • JP2008238481A
    • 2008-10-09
    • JP2007079756
    • 2007-03-26
    • Dainippon Printing Co LtdMitsubishi Chemicals CorpShowa Ink Kogyosho:Kk三菱化学株式会社大日本印刷株式会社株式会社昭和インク工業所
    • SOEJIMA YUJIHORII KAZUYAKATAOKA MASANARI
    • B32B27/30B32B27/00B32B27/40C08F283/00C09D5/02C09D133/00C09D151/00C09D175/04
    • PROBLEM TO BE SOLVED: To provide a decorative sheet having a transparent protective layer molded from an aqueous composition and, in particular, improving weathering resistance, adhesion, and contamination resistance. SOLUTION: The decorative sheet has the transparent protective layer formed by the aqueous composition on a base material sheet, a decorative layer and an uppermost surface. The decorative sheet is characterized in that (1) the aqueous composition has a (meta) acrylic resin part as a core, and a micell composed of core shell structure having a urethane resin part as a shell contains emulsion dispersed in an aqueous medium, (2) the urethane resin part contains the carboxyl group neutralized by a tertiary alkanolamine containing a hydroxyl group, and the urea bonding amount is 50 μ eg/g or less, (3) the (meta) acrylic resin part contains a copolymer of an aliphatic or alicyclic (meta) acrylic acid ester monomer with a hydroxyl group-containing (meta) acrylic monomer. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供具有由水性组合物成型的透明保护层的装饰片材,特别是提高耐候性,粘合性和耐污染性。 解决方案:装饰片在基材片,装饰层和最上表面上具有由水性组合物形成的透明保护层。 装饰片的特征在于,(1)水性组合物具有作为芯的(甲基)丙烯酸树脂部分,由具有作为壳的聚氨酯树脂部分的芯壳结构体构成的胶束含有分散在水性介质中的乳液( 2)聚氨酯树脂部分含有由含有羟基的叔链烷醇胺中和的羧基,尿素键合量为50μe/ g以下,(3)(甲基)丙烯酸树脂部分含有脂肪族 或具有含羟基的(甲基)丙烯酸类单体的脂环族(甲基)丙烯酸酯单体。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Curable composition
    • 可固化组合物
    • JP2012036290A
    • 2012-02-23
    • JP2010177187
    • 2010-08-06
    • Showa Ink Kogyosho:Kk株式会社昭和インク工業所
    • ARAI YUYAMATSUYAMA TAKASHI
    • C08F299/06C08G18/67
    • PROBLEM TO BE SOLVED: To obtain a curable composition capable of forming a cured product having excellent scratch resistance and plastic processability upon irradiation with an active energy ray.SOLUTION: The curable composition contains a urethane (meth)acrylate having a number average molecular weight of 5,000-30,000 obtained by reacting (a) a polycarbonate diol having a number average molecular weight of 300-1,200, (b) an alicyclic diisocyanate and (c) a hydroxyl group-containing (meth)acrylic ester. The curable composition gives a cured product having, in a tensile stress-strain curve diagram measured at 23°C, no yield point and elongation at rupture of ≥100%.
    • 待解决的问题:获得能够形成具有优异的耐刮擦性和塑性加工性的固化产物的可固化组合物。 解决方案:可固化组合物含有数均分子量为5,000〜30,000的氨基甲酸酯(甲基)丙烯酸酯,其通过使(a)数均分子量为300-1200的聚碳酸酯二醇与(b)脂环族 二异氰酸酯和(c)含羟基的(甲基)丙烯酸酯。 固化性组合物得到固化物,其在23℃下测定的拉伸应力 - 应变曲线图中,断裂时的屈服点和伸长率≥100%。 版权所有(C)2012,JPO&INPIT