Para-aramid dope of low degree of polymerization, para-aramid fi

Details Para-aramid dope of low degree of polymerization, para-aramid fi Para-aramid dope of low degree of polymerization, para-aramid fi

1993-05-25

1995-08-15

Szekely, Peter A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524241, 524233, 524401, 524436, 264142, 264143, 264147, 264184, 264255, 264DIG47, C08K 53415, C08K 521, C08K 520, C08K 316

Patent

active

054420032

ABSTRACT:
A para-aramide dope of low degree of polymerization exhibiting an optical anisotropy containing 4-10% by weight of a para-aramide having an inherent viscosity of 1.0-2.5 dl/g and 2-10% by weight of an alkali metal chloride or an alkaline earth metal chloride in a polar amide solvent;

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patent: 3950473 (1976-04-01), Iwahori et al.
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patent: 4836507 (1989-06-01), Yang
patent: 4876040 (1989-10-01), Park et al.
patent: 4959453 (1990-09-01), Sweeny
patent: 4971744 (1990-11-01), Park et al.
patent: 5021123 (1991-06-01), Sweeny
patent: 5028372 (1991-07-01), Brierre et al.
patent: 5047500 (1991-09-01), Park et al.

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