Improved ultraviolet absorbing composition and improvement in ultraviolet absorption
1996
PROBLEM TO BE SOLVED: To obtain the subject composition, improved in ultraviolet light absorption and useful for cosmetics, etc., by adding a specific latex to a composition containing an ultraviolet light absorber. SOLUTION: This composition is obtained by adding latex particles to a composition containing at least one ultraviolet light absorber so as to make the latex particles present in an amount of about 0.1-50wt.%, preferably about 1.0-20wt.% based on the total weight of nonvolatile components therein. Latex particles having voids (preferably at about 5-50% void ratio) and further about 100-380nm, preferably about 190-350nm particle diameter are used as the latex particles. A chemical substance such as oxybenzone, dioxybenzone, sulisobenzone, methyl anthranilate, p-aminobenzoic acid or amyl p-dimethylaminobenzoate is preferably used as the absorber. COPYRIGHT: (C)1997,JPO
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