Poly-para-phenyleneterephthalamide compositions, their preparati

Details Poly-para-phenyleneterephthalamide compositions, their preparati Poly-para-phenyleneterephthalamide compositions, their preparati

1985-05-24

1986-04-01

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 534

Patent

active

045798958

ABSTRACT:
The invention relates to a homogeneous fluid composition which can be shaped, consisting of N-methylpyrrolidone-2, poly-para-phenyleneterephthalamide in an amount of 5 to 7% by weight, relative to the weight of the composition, calcium chloride or lithium chloride, and a tertiary amine with a pK H.sub.2 O equal to at most 6.60, and also to the process for its production. The composition can be shaped directly to form filaments, fibres, films or fibrids which can be used, for example, in the textile industry.

REFERENCES:
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3068188 (1962-12-01), Beste et al.
patent: 3240760 (1966-03-01), Preston et al.
patent: 3671542 (1972-06-01), Kwolek
patent: 4250073 (1981-02-01), Tamura et al.
Chemical Abstracts, vol. 88, 1978, p. 16.

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