Flexible elastic polyurethane films a process for their preparat

Details Flexible elastic polyurethane films a process for their preparat Flexible elastic polyurethane films a process for their preparat

1990-05-23

1993-06-08

Kight, III, John

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

Synthetic resins

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

525 80, 525 96, 525 98, 525260, 5253338, 525356, 528 65, 528499, 528 71, 524496, B29C 4700, C08G 1834

Patent

active

052180581

ABSTRACT:
The present invention deals with flexible elastic polyurethane films, efficaciously having a thickness from 0.3 to 3 mm, prepared by sintering powdered thermoplastic polyurethanes, having:

REFERENCES:
patent: 4069208 (1978-01-01), Hoeschele
patent: 4150211 (1979-04-01), Muller et al.
patent: 4579930 (1986-04-01), Kramer et al.
patent: 4597927 (1986-07-01), Zeitler et al.
patent: 4707525 (1987-11-01), LaNieve, III et al.

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