Solid state cross-linked polymer

Details Solid state cross-linked polymer Solid state cross-linked polymer

1984-06-20

1986-06-24

Henderson, Christopher A.

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

Synthetic resins

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

5253285, 5253294, 5253295, 5253303, 525384, 525 56, 525107, 525116, C08F 800

Patent

active

045968586

ABSTRACT:
Cross-linked polymeric gels or films are prepared by dissolving in a suitable solvent a linear polymer or polymers containing pendant amidocarbonyl or oxycarbonyl groups, hydroxyl groups present as either pendant groups from the polymer or as a low molecular weight polyol, and a strongly acidic catalyst (which may also be a pendant group on a polymer). The solvent is removed by coagulation and/or drying and the dry material is heat-cured, thus cross-linking and insolubilizing the polymer or polymers.

REFERENCES:
patent: 3215659 (1965-11-01), Spaulding
patent: 3245932 (1966-04-01), Glavis
patent: 3336259 (1967-08-01), Zimmerman
patent: 3350368 (1967-12-01), Kramer
patent: 3483172 (1969-12-01), Shibukawa
patent: 4239671 (1980-12-01), Fink
patent: 4374958 (1983-02-01), Barnabeo

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