Cationic resin having U.V. absorbers and the process for produci

Details Cationic resin having U.V. absorbers and the process for produci Cationic resin having U.V. absorbers and the process for produci

1989-06-20

1991-01-22

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525281, C08F 830

Patent

active

049871838

ABSTRACT:
The present invention relates to a novel cationic polymer processing U.V. absorbing ability which is produced by the ester bonding of a cationic U.V. absorber to the terminal of the polymer. Unlike conventional nonionic U.V. absorbing polymers or nonionic or anionic U.V. absorbers, the U.V. absorber according to the present invention exhibits an improved substantivity to several anionic substrates, for example, hair, skin, and the like, due to the presence of a positively charged substituent group.

REFERENCES:
patent: 2476832 (1949-07-01), Donia
patent: 4254244 (1981-03-01), Gates et al.
patent: 4778847 (1988-10-01), Schornick et al.
patent: 4891300 (1990-01-01), Ichimura et al.

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