Process for stabilizing acrylonitrile polymer spinning solutions

Details Process for stabilizing acrylonitrile polymer spinning solutions Process for stabilizing acrylonitrile polymer spinning solutions

1979-07-05

1981-08-25

Seccuro, Carman J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 326N, 264182, 525209, 525336, 525340, C08K 509, C08L 3320, C08L 3302

Patent

active

042860768

ABSTRACT:
The invention relates to a process for the stabilization of a spinning solution of an acrylonitrile polymer and a solvent which comprises adding from 0.005 to 0.5% based on the quantity of polymer of at least one stabilizer selected from a polyfunctional phosphonic acid, a phosphonocarboxylic acid or a polymer containing phosphonic acid and/or carboxyl groups to the spinning solution as well as to such stabilized spinning solutions.

REFERENCES:
patent: 2503245 (1950-04-01), Coover et al.
patent: 2642408 (1953-07-01), Stanin et al.
patent: 3793277 (1974-02-01), Thompson

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