Protection of anhydride copolymers

Details Protection of anhydride copolymers Protection of anhydride copolymers

1979-10-01

1981-07-07

Lusignan, Michael R.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

264129, 4273935, B32B 2708, B05D 302, B28B 124, B29F 100

Patent

active

042775418

ABSTRACT:
Polymers of unsaturated acid anhydrides such as styrene/maleic anhydride copolymers can be protected from hydrocarbon attack by application of a coating of a polymer comprising pendant hydroxyl groups such as polyvinyl alcohol.

REFERENCES:
patent: 2860801 (1958-11-01), Nielsen
patent: 2985542 (1961-05-01), Pinsky et al.
patent: 3720633 (1973-03-01), Nickerson
patent: 3896252 (1975-07-01), Tuttle

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