公开(公告)号：US20170022354A1

公开(公告)日：2017-01-26

申请号：US15100183

申请日：2014-11-27

Applicant: KANEKA CORPORATION

Inventor： Fuminobu KITAYAMA ,  Haruki KOYAMA

IPC: C08L33/24 ,  C08J5/18

CPC classification number: C08L33/24 ,  C08J5/18 ,  C08J2333/24 ,  C08J2333/26 ,  C08J2335/02 ,  C08J2433/12 ,  C08J2433/26 ,  C08J2435/02 ,  C08J2451/00 ,  C08L33/26 ,  C08L35/02 ,  C08L2201/10 ,  C08L2205/03

Abstract: Disclosed herein are an optical resin composition whose orientation birefringence and photoelastic birefringence are both very low and which has high transparency and which provides a film having few surface defects, high heat stability, high solvent resistance, and excellent surface appearance, and a film comprising the optical resin composition.The optical resin composition comprises: a resin (A) having a maleimide unit represented by the formula (5) and a (meth)acrylic ester unit; and a glutarimide acrylic resin (B). The resin composition may further comprise multi-layered particles.

Abstract translation: 本文公开了一种光学树脂组合物，其取向双折射和光弹性双折射都非常低，并且透明度高，并且提供了具有很少表面缺陷，高热稳定性，高耐溶剂性和优异表面外观的膜，以及包含 光学树脂组合物。 光学树脂组合物包括：具有由式（5）表示的马来酰亚胺单元的树脂（A）和（甲基）丙烯酸酯单元; 和戊二酰亚胺丙烯酸树脂（B）。 树脂组合物还可以包含多层颗粒。

公开(公告)号：US20170031058A1

公开(公告)日：2017-02-02

申请号：US15100163

申请日：2014-11-27

Applicant: KANEKA CORPORATION

Inventor： Fuminobu KITAYAMA ,  Haruki KOYAMA

IPC: G02B1/04 ,  C08J5/18

CPC classification number: G02B1/04 ,  C08F265/06 ,  C08J5/18 ,  C08J2333/12 ,  C08J2333/26 ,  C08J2335/02 ,  C08J2433/06 ,  C08J2433/26 ,  C08J2435/02 ,  C08J2451/00 ,  C08L101/00 ,  C08L33/08 ,  C08L51/08

Abstract: Disclosed herein are an optical resin composition whose orientation birefringence and photoelastic birefringence are both very low and which has high transparency and which provides a film having few surface defects and excellent mechanical strength, and a film comprising the optical resin composition. Also disclosed herein is a film that has optical isotropy and excellent transparency even after stretching.The optical resin composition contains a thermoplastic resin and a multistep-polymerized graft copolymer obtained by polymerizing, in the presence of crosslinked polymer-containing particles formed by polymerizing a monomer mixture containing a monomer represented by the following formula (4) and a polyfunctional monomer, a monomer mixture containing a monomer represented by the following formula (4) and another monofunctional monomer copolymerizable therewith.

Abstract translation: 本文公开了一种光学树脂组合物，其取向双折射和光弹性双折射都非常低，并且具有高透明度，并且提供了具有很少表面缺陷和优异的机械强度的膜，以及包含光学树脂组合物的膜。 这里也公开了即使在拉伸后也具有光学各向同性和优异的透明性的膜。 光学树脂组合物含有热塑性树脂和通过聚合含有由下式（4）表示的单体的单体混合物和多官能单体形成的含交联聚合物的颗粒存在下得到的多步聚合的接枝共聚物， 含有由下式（4）表示的单体的单体混合物和可与其共聚的其它单官能单体。