Process for preparing olefinic nitrile-vinyl aromatic resins

Details Process for preparing olefinic nitrile-vinyl aromatic resins Process for preparing olefinic nitrile-vinyl aromatic resins

1974-06-17

1976-04-20

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526342, 526347, 260879, C08F12044

Patent

active

039519325

ABSTRACT:
A process for preparing polymeric compositions having low permeability to gases and which are particularly useful in the packaging industry wherein said polymers are prepared from rubber-modified copolymers of an olefinically unsaturated nitrile monomer and a vinyl aromatic monomer using tertiary butyl mercaptan as a chain transfer agent in the polymerization reaction.

REFERENCES:
patent: 2605256 (1952-07-01), Conard
patent: 2621170 (1952-12-01), Banes
patent: 2662877 (1953-12-01), Chaney
patent: 3345350 (1967-10-01), Shavit
patent: 3627820 (1971-12-01), Chujo
patent: 3686112 (1972-08-01), Vrancken
patent: 3819762 (1974-06-01), Howe

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