Process for producing acrylonitrile polymers

Details Process for producing acrylonitrile polymers Process for producing acrylonitrile polymers

1975-03-26

1977-01-18

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 793M, 526224, 526317, 526328, 526341, 526342, C08F12044, C08F22044

Patent

active

040040720

ABSTRACT:
Acrylonitrile polymers of improved whiteness and thermal stability are provided by polymerizing acrylonitrile alone or with a comonomer in an aqueous medium, in the presence of a water-insoluble mercaptan, together with a redox catalyst comprising sulfurous acid or a salt thereof and nitrous acid or a salt thereof.

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patent: 3025278 (1962-03-01), Pitts
patent: 3028372 (1962-04-01), Kocay et al.
patent: 3123588 (1964-03-01), Lunney
patent: 3126361 (1964-03-01), Glabisch et al.
patent: 3213069 (1965-10-01), Rausch
patent: 3681311 (1972-08-01), Patron et al.

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