发明名称 EYEGLASS LENS
摘要 Disclosed is a resin composition which comprises a polycarbonate resin, does not substantially transmit a wavelength of 385 nm, has a high all light transmittance, and has excellent heat resistance. Specifically disclosed is a resin composition for an eyeglass lens, which comprises: (1) a polycarbonate resin; (2) an ultraviolet ray absorber (A) such as 2-(2H-benzotriazol-2-yl)-p-cresol; (3) an ultraviolet ray absorber (B) such as 2,2'-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-(2H-benzotriazol-2-yl)-phenol]; and (4) at least one compound (C) selected from compounds represented by the formulae (1) and (II). (R1-S-CH2-CH2-C(O)O-CH2-) 4C (I) (R2-O-C(O)-CH2-CH2-)2S (II) wherein R1 represents an alkyl group having 4 to 20 carbon atoms; and R2 represents an alkyl group having 6 to 22 carbon atoms. ® KIPO & WIPO 2009
申请公布号 KR20090088875(A) 申请公布日期 2009.08.20
申请号 KR20097009448 申请日期 2007.12.04
申请人 TEIJIN CHEMICALS, LTD. 发明人 TANABE SEIICHI;MATSUMOTO MORITOSHI;ARIKI JIRO
分类号 C08L69/00;C08K5/13;C08K5/3475;G02B1/04 主分类号 C08L69/00
代理机构 代理人
主权项
地址