专利名称：Multi-layer stretched film
发明人：Taro Oya,Mitsumasa Ono,Tetsuo Yoshida申请号：US13515709申请日：20101215公开号：US08703252B2公开日：20140422
专利附图：
摘要：A multi-layer stretched film has 251 or more alternating layers which consist offirst layers and second layers, wherein the first layers are made of a polyester whichcontains (i) 5 to 50 mol % of a naphthoic acid component as a dicarboxylic acidcomponent and (ii) a diol having an alkylene group with 2 to 10 carbon atoms as a diol
component; and the second layers are made of a thermoplastic resin having an averagerefractive index of 1.50 to 1.60 and differences in refractive index among a uniaxialstretching direction, a direction orthogonal to the uniaxial stretching direction and a filmthickness direction of 0.05 or less before and after stretching, and the film has specificreflectance characteristics for a P polarization component and an S polarizationcomponent.
申请人：Taro Oya,Mitsumasa Ono,Tetsuo Yoshida
地址：Anpachi-gun JP,Anpachi-gun JP,Anpachi-gun JP
国籍：JP,JP,JP
代理机构：Sughrue Mion, PLLC
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