Colorless, purified polymerizable composition useful for the pro

Details Colorless, purified polymerizable composition useful for the pro Colorless, purified polymerizable composition useful for the pro

1994-04-28

1995-02-28

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F22610

Patent

active

053938542

ABSTRACT:
What is provided herein is a colorless, purified polymerizable composition useful for the production of crosslinked polyvinylpyrrolidone. The polymerizable composition includes about 74-96% by weight vinylpyrrolidone monomer and 4-26% by weight of the isomeric compound 1-vinyl-3(E)-ethylidene pyrrolidone as crosslinker. The polymerizable composition is used to make crosslinked polyvinylpyrrolidone rapidly upon heating the composition at about 80.degree.-120.degree. C. in the absence of base.

REFERENCES:
patent: 3933766 (1976-01-01), Hofmann et al.

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