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    • 31. 发明申请
    • THERMOPLASTIC RESIN COMPOSITION FOR VEHICULAR LAMP HOUSING
    • 热塑性树脂组合物用于车辆灯泡住房
    • US20110224355A1
    • 2011-09-15
    • US13062968
    • 2009-09-09
    • Hajime TomitaTokuo TatsudaTetsuya YamamotoSeiji Tamai
    • Hajime TomitaTokuo TatsudaTetsuya YamamotoSeiji Tamai
    • C08L51/04C08L51/00B82Y30/00
    • C08F265/04B29C65/06B29C65/1616B29C65/1635B29C65/1654B29C65/1677B29C65/20B29C66/71B29C66/73921B29C66/919B29C66/939B29K2096/02B29L2031/747B60Q1/00C08F285/00C08L25/12C08L25/16C08L35/00C08L35/06C08L51/003C08L51/04F21S41/29F21S41/37C08L2666/02
    • The present invention provides a thermoplastic resin composition for a vehicular lamp housing, which is excellent in balance of physical properties with regard to such as impact resistance and fluidity, and of which hot plate weldability, vibration weldability and laser weldability are improved when a vehicular lamp housing is welded with other members.A thermoplastic resin composition for a vehicular lamp housing, comprising a graft copolymer (A) and a (co)polymer (C) is provided, wherein the graft copolymer (A) is obtained by emulsion graft polymerization of an acrylic acid ester-based rubbery polymer having a weight average particle diameter of 70 to 250 nm with at least one monomer selected from the group consisting of an aromatic vinyl-based monomer, a vinyl cyanide-based monomer, a (meth)acrylic acid ester-based monomer and a maleimide-based monomer, wherein the acrylic acid ester-based rubbery polymer is obtained by emulsion polymerization of 60 to 95% by weight of an acrylic acid ester-based monomer in the presence of 5 to 40% by weight of an aromatic vinyl-based polymer having a weight average particle diameter of 10 to 150 nm; the (co)polymer (C) is obtained by polymerization of at least one monomer selected from the group consisting of an aromatic vinyl-based monomer, a vinyl cyanide-based monomer, a (meth)acrylic acid ester-based monomer and a maleimide-based monomer.
    • 本发明提供一种用于车灯壳体的热塑性树脂组合物,其在耐冲击性和流动性方面的物理性能的平衡优异,并且当车灯灯具 外壳与其他部件焊接。 提供了一种包含接枝共聚物(A)和(共)聚合物(C)的车辆灯壳体的热塑性树脂组合物,其中接枝共聚物(A)通过丙烯酸酯系橡胶质 重均粒径为70〜250nm的聚合物与至少一种选自芳香族乙烯基系单体,乙烯基氰系单体,(甲基)丙烯酸酯系单体和马来酰亚胺 的基于丙烯酸酯的单体,其中丙烯酸酯基橡胶状聚合物通过在5-40重量%的芳族乙烯基类聚合物的存在下,通过乳液聚合得到60〜95重量%的丙烯酸酯系单体 重均粒径为10〜150nm; (共)聚合物(C)通过聚合至少一种选自芳族乙烯基类单体,乙烯基氰化物系单体,(甲基)丙烯酸酯系单体和马来酰亚胺 的单体。
    • 32. 发明申请
    • METHOD FOR PRODUCING OPTICALLY ACTIVE a-IONONE
    • 用于生产光学活性α-离子的方法
    • US20110118500A1
    • 2011-05-19
    • US13012199
    • 2011-01-24
    • Tetsuya YamamotoKenji YagiKenya Ishida
    • Tetsuya YamamotoKenji YagiKenya Ishida
    • C07C69/78C07C69/533C07C69/63C07C69/24C07C69/708
    • C12P7/26A23L2/56A23L27/204A61K8/37A61Q11/00A61Q13/00C07B53/00C07B2200/07C07C403/08C07C403/12C07C403/14C07C2601/16C12G3/06C12P41/004
    • Provided that a method for inexpensively producing optically active α-ionone with a high yield and a high asymmetric yield and with good workability in a short process, and a perfume composition comprising the optically active α-ionone obtained by the aforementioned method. A method for producing optically active α-ionone, comprising allowing α-ionone as a mixture of optical isomers to react with an esterification agent, and hydrolyzing the obtained α-ionone enol ester; a method for producing optically active α-ionone comprising subjecting α-ionone as a mixture of optical isomers to an asymmetric reduction, allowing the obtained optically active α-ionol to react with an esterification agent to give an optically active α-ionol ester, hydrolyzing the obtained optically active α-ionol ester after purification as necessary, and then oxidizing the obtained optically active α-ionol; and a perfume composition comprising thus obtained optically active α-ionone.
    • 本发明提供了一种低成本地生产光学活性α-紫罗兰酮的方法,其具有高产率和高不对称产率,并且在短时间内具有良好的可加工性,以及包含通过上述方法获得的光学活性α-紫罗兰酮的香料组合物。 一种光学活性α-紫罗兰酮的制造方法,其特征在于,使作为旋光异构体的混合物的α-紫罗烯酮与酯化反应,水解得到的α-紫罗烯酮烯醇酯; 一种光学活性α-紫罗兰酮的制造方法,其特征在于,将α-紫罗烯酮作为光学异构体的混合物进行不对称还原,使得所得光学活性α-离子酚与酯化反应,得到光学活性α-离子醇酯,水解 根据需要纯化后得到的光学活性α-离子醇酯,然后氧化所得光学活性α-离子醇; 和包含这样得到的光学活性α-紫罗兰酮的香料组合物。