Fibres and yarns from a blend of aromatic polyamides

Details Fibres and yarns from a blend of aromatic polyamides Fibres and yarns from a blend of aromatic polyamides

1988-09-12

1989-05-30

Jacobs, Lewis T.

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

Synthetic resins

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

428359, 428395, 57243, C08L 7700, A01D 3408

Patent

active

048352233

ABSTRACT:
Fibres consisting wholly or substantially of a mixture of poly-p-phenylene terephthalamide and an aromatic copolyamide. They display an improved tensile strength and elongation at break if the mixture contains, as the copolyamide, (2-25% b.w. of) a polycondensation product of terephthalic acid, p-phenylene diamine and a monomer selected from the group consisting of piperazine, benzidine and 1,4-diamino anthraquinone. The fibres are particularly suitable for use in the manufacture of tire yarn.

REFERENCES:
patent: 4120914 (1978-10-01), Behnke et al.
patent: 4198494 (1980-04-01), Burckel
patent: 4721755 (1988-01-01), Maatman

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