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专利名称：Graft copolymer for transparent
thermoplastic polyurethane resin,preparation method thereof, and
polyurethane resin composition containingthe same
发明人：Yoon-ho Kim,Geon-soo Kim,Chan-hong
Lee,Hyung-jin Kim
申请号：US12522021申请日：20080104公开号：US079683B2公开日：20110628
摘要：The present invention relates to a graft copolymer for a transparent
thermoplastic polyurethane resin prepared by graft copolymerization of (a) 50-85 weight% of rubber latex having a multi-layered structure composed of an inner layer and anouter layer comprising a conjugated diene monomer and an ethylenically unsaturatedaromatic compound in which the refractive index of the inner layer is greater than that ofthe outer layer; and (b) 15-50 weight % of a C-Cvinyl monomer; a method for makingsame; and a thermoplastic polyurethane resin composition comprising same havingexcellent color properties, calendaring properties, low temperature impact strength andtransparency.
申请人：Yoon-ho Kim,Geon-soo Kim,Chan-hong Lee,Hyung-jin Kim
地址：Jeollanam-do KR,Daejeon KR,Daejeon KR,Jeollanam-do KR
国籍：KR,KR,KR,KR
代理机构：Lerner, David, Littenberg, Krumholz & Mentlik, LLP
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