Polymers of acrylonitrile and aromatic olefins which contain gra

Details Polymers of acrylonitrile and aromatic olefins which contain gra Polymers of acrylonitrile and aromatic olefins which contain gra

1972-11-06

1976-06-15

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 296AN, 260879, 260880R, 526342, 526347, C08L 5104

Patent

active

039638073

ABSTRACT:
A composition consisting essentially of (A) 65 to 99 percent by weight of a polymer consisting essentially of 76 to 85 percent by weight acrylonitrile polymerized units and 24 to 15 percent by weight polymerized units of at least one aromatic olefin containing 8 to 14 carbon atoms, said polymer having a melt viscosity of 10.sup.4 to 10.sup.6 poises at 220.degree.C. and an inherent viscosity of from 0.3 to 1.0 deciliter per gram and (B) 1 to 35 percent by weight of grafted rubber, said grafted rubber consisting essentially of 30 to 50 percent by weight of a graft polymer consisting essentially of 61 to 85 percent by weight acrylonitrile polymerized units and 39 to 15 percent by weight polymerized units of at least one aromatic olefin containing 8 to 14 carbon atoms, and 50 to 70 percent by weight rubber; said composition having a carbon dioxide permeability of less than 0.045 barrer; and shaped articles made therefrom.

REFERENCES:
patent: 3451538 (1969-06-01), Trementozzi

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