Manufacture of impact-resistant olefinic-nitrile copolymers

Details Manufacture of impact-resistant olefinic-nitrile copolymers Manufacture of impact-resistant olefinic-nitrile copolymers

1975-09-02

1976-08-10

Hamrock, William F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F29104, C08F29106, C08F29112

Patent

active

039742393

ABSTRACT:
Impact-resistant polymers which have low permeability to gases and vapors are prepared by polymerizing an olefinic nitrile, such as acrylonitrile, optionally with an acrylic ester, such as methyl acrylate, to at least about 70% conversion, and then introducing into the polymerization reaction medium a conjugated diene monomer, such as butadiene-1,3, and completing the polymerization reaction in the presence of said diene monomer.

REFERENCES:
patent: 3426102 (1969-02-01), Solak et al.
patent: 3438926 (1969-04-01), Burke et al.
patent: 3451538 (1969-06-01), Trementozzi
patent: 3538194 (1970-11-01), Burrett et al.
patent: 3803265 (1974-04-01), Griffith

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