Colorless, purified polymerizable composition useful for the pro

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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528501, C08F22610

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active

053916689

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: 4196276 (1980-04-01), Schreckenberg et al.
F. Haaf, A. Sanner, and F. Straub, Polymer Journal 17(1), 143-152, 1985.

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