Crosslinked copolymers of vinyl pyrrolidone and dimethylaminoeth

Details Crosslinked copolymers of vinyl pyrrolidone and dimethylaminoeth Crosslinked copolymers of vinyl pyrrolidone and dimethylaminoeth

1996-12-24

1998-02-10

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263285, C08F22610, C08F22034

Patent

active

057170452

ABSTRACT:
Crosslinked copolymers of vinyl pyrrolidone (VP) and dimethylaminoethyl methacrylate (DMAEMA) for use in personal care products are made herein in aqueous solution by copolymerization of VP and DMAEMA monomers in aqueous solution using 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP) as the crosslinking agent. The product is a one-phase, aqueous gel of the copolymer which is useful in hair care products.

REFERENCES:
patent: 3990459 (1976-11-01), Papantoniou
patent: 5321110 (1994-06-01), Shih
patent: 5393854 (1995-02-01), Tseng et al.
patent: 5608021 (1997-03-01), Uchiyama et al.

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