Process for the preparation of polymer solution

Details Process for the preparation of polymer solution Process for the preparation of polymer solution

1997-07-30

1999-10-26

Mosley, Terressa

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

Synthetic resins

Treating polymer containing material or treating a solid...

528502, 528503, C08F 600

Patent

active

059731095

ABSTRACT:
A process for the preparation of a polymer solution comprises the steps of: mixing a polymer with a solvent to swell the polymer in the solvent; cooling the swelled mixture; and then warming the cooled mixture to dissolve the polymer in the solvent. The present invention uses a polymer other than cellulose esters of lower fatty acids to form the polymer solution.

REFERENCES:
patent: 3948870 (1976-04-01), Stoy et al.
patent: 4581431 (1986-04-01), Yamazaki et al.
patent: 5516818 (1996-05-01), Chen et al.
J.M.G. Cowie et al., report in Makromol., The Dissolution and Stability of Cellulose . . . , 143, pp. 105-114 (1971).
K. Kamide et al., Textile Machinery Society, Dry Spinning of Cellulose Triacetate Filament Yarns . . . , vol. 34, pp. 57-61 (1981).

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