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1. 发明申请

US20120277355A1 RESIN COMPOSITION AND USE THEREOF 审中-公开
标题翻译：树脂组合物及其用途
公开(公告)号：US20120277355A1
公开(公告)日：2012-11-01
申请号：US13523322
申请日：2012-06-14
申请人： Atsushi SHIBUYA , Toshiyuki Hirose
发明人： Atsushi SHIBUYA , Toshiyuki Hirose
IPC分类号： C08L65/00 , C08K5/3435
CPC分类号： C08K5/3435 , C08K5/0008 , C08K5/49 , C08L23/0823 , G02B1/04 , G11B2007/0006
摘要： A resin composition suitable for an optical element in which the moldability, thermal resistance, mechanical strength, and low birefringence are not impaired, the deterioration is hardly generated although the laser light nearby the UV is used, change in the optical properties during the use are extremely small, particularly the light transmittance is maintained high, and a foreign substance is hardly deposited on a surface of the molded product such as an optical element. In addition, an optical element obtained by molding the resin composition, and an optical pickup device using the optical element. The thermoplastic resin composition contains the polymer having a specific structure and two kinds of specific optical stabilizers in a specific mass ratio among a hindered amine light stabilizer having the molecular weight of 400 to 5,000.
摘要翻译：适合于不损害成型性，耐热性，机械强度和低双折射性的光学元件的树脂组合物虽然使用UV附近的激光，但是在使用时的光学特性的变化，几乎不产生劣化特别是，透光率保持较高，并且异物难以沉积在诸如光学元件的成型产品的表面上。另外，通过模制树脂组合物获得的光学元件和使用该光学元件的光学拾取装置。热塑性树脂组合物含有具有特定结构的聚合物和两种具有分子量为400至5,000的受阻胺光稳定剂之间的比质量比的特定光稳定剂。

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