发明名称 RETARDATION FILM
摘要 <P>PROBLEM TO BE SOLVED: To provide a retardation film improved in haze and impact resistance. <P>SOLUTION: The retardation film is obtained by stretching an unstretched film having a P1 layer comprising a resin composition p1 containing a resin A whose intrinsic birefringence value is positive and a resin B whose intrinsic birefringence value is negative, and a P2 layer comprising a thermoplastic resin composition p2 disposed in contact with the P1 layer, wherein a polyphenylene ether having a weight average molecular weight of 5,000-10,000 is used as the resin A and a polystyrene resin having a weight average molecular weight of 130,000-300,000 is used as the resin B. <P>COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011113004(A) 申请公布日期 2011.06.09
申请号 JP20090271261 申请日期 2009.11.30
申请人 NIPPON ZEON CO LTD 发明人 MURATA NAOKI;SAKURAUCHI KAISHU;HATANO HIROSHI
分类号 G02B5/30;C08L33/10;C08L51/00;G02F1/13363 主分类号 G02B5/30
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