Polyamide/polyurethane micro-blend and process

Details Polyamide/polyurethane micro-blend and process Polyamide/polyurethane micro-blend and process

1997-12-12

1999-10-26

Short, Patricia A.

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

Synthetic resins

Process of treating scrap or waste product containing solid...

521 498, 525424, C08J 1106

Patent

active

059730137

ABSTRACT:
Disclosed is a process for melt blending a mixture of a thermoplastic polyamide and segmented thermoplastic copolymers of polyurethane and the product thereof. The process of the invention is useful for recycling textile goods, such as pantyhose, into a form useful for fabricating into shaped articles such as moldings, sheets, and fibers.

REFERENCES:
patent: 4174358 (1979-11-01), Epstein
patent: 4369285 (1983-01-01), Sanderson
patent: 5585152 (1996-12-01), Tamara
C. Franke et al., Wirkung von Diisocyanat als reaktiver Koppler in TPU/PA6-Blends, Die Angewandte Makromolekulare Chemie, 206,21-38, 1993.
C. Franke et al., Applied Macromolecular Chemistry, Angew. Makromol. Chem., 206,21-38, 1993.

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