Polyamide/polyester graft copolymer fibers and method of prepari

Details Polyamide/polyester graft copolymer fibers and method of prepari Polyamide/polyester graft copolymer fibers and method of prepari

1989-06-05

1990-10-16

Carrillo, Ana L.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642106, 264211, 26421112, 525425, D01D 512, D01F 102, B29C 4788

Patent

active

049633112

ABSTRACT:
A process for the production of graft polyester/polyamide copolymers useful in the manufacture of fibers which comprises intimately mixing derivatized polyester and suitable polyamide to form the graft copolymer, and thereafter spinning the graft copolymer into a fiber which is drawn.

REFERENCES:
patent: 3562357 (1971-02-01), Eichenbaum
patent: 4417031 (1983-11-01), Aharoni et al.
patent: 4503203 (1985-03-01), Golembeski et al.
patent: 4508844 (1985-04-01), Agapiou

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