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Ultraviolet absorber water-dispersed composition
专利权人:
Kenya Satonaka
发明人:
Kenya Satonaka,Toshiyuki Itoh,Yusuke Tanaka
申请号:
US12971064
公开号:
US08420061B2
申请日:
2010.12.17
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Disclosed is an ultraviolet absorber water-dispersed composition, comprising the following components (A) and (B)(A) a benzotriazole-type ultraviolet absorber represented by general formula (1) belowwherein R1 and R2 denote alkyl groups having a carbon number from 1 to 18, may be identical or different, and may be substituted by one or two or more groups selected from the group consisting of alkyl groups having a carbon number from 1 to 4, and cycloalkyl groups and aryl groups both having a carbon number from 5 to 12 and (B) polyglycerol monoalkyl ester with a mean degree of polymerization of glycerol of 5 or more.The water-dispersed composition is capable of stably maintaining the dispersed state of benzotriazole-type ultraviolet absorbers even in the presence of salt.
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