眼鏡レンズおよびその製造方法

Title:

眼鏡レンズおよびその製造方法

Document Type and Number:

Japanese Patent JP4399419

Kind Code:

B2

Abstract:

A spectacles lens and an optical transparent molded article are provided that are formed from a polycarbonate resin composition comprising: (1) 100 parts by weight of polycarbonate resin (A), (2) 0.05 to 0.5 parts by weight of at least one ultraviolet absorber (B) selected from the group consisting of 2-(2'-hydroxy-5'-methylphenyl)benzotriazole (B-1) and 2-(2'-hydroxy-5'-tert-octylphenyl)benzotriazole (B-2), (3) 0.01 to 0.3 parts by weight of at least one ultraviolet absorber (C) selected from the group consisting of 2-(3-tert-butyl-5-methyl-2-hydroxyphenyl)-5-chlorobenzotriazole (C-1), 2,2'-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-(2H-benzotriazole)-2-ylphenol] (C-2) and 2-[2-hydroxy-3,5-bis(±,±-dimethylbenzyl)phenyl]-2H-benzotriazole (C-3), and (4) 0.0005 to 0.1 parts by weight of lactone compound having a specific structure.

More Like This:

JP2002030082	POLYMERIZABLE THIO(METH)ACRYLATE COMPOUND
JP4063292	Manufacturing method of plastic lens and plastic lens
WO/2004/015481	APPARATUS AND METHOD OF CORRECTING HIGHER-ORDER ABERRATIONS OF THE HUMAN EYE

Inventors:

Keizo Ikari
Ariki Jiro

Application Number:

JP2005517151A

Publication Date:

January 13, 2010

Filing Date:

January 19, 2005

Export Citation:

Click for automatic bibliography generation Help