Copolyetherester elastomer

Details Copolyetherester elastomer Copolyetherester elastomer

1991-10-08

1992-11-10

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...

525444, 525471, 525540, 528272, 528300, 528301, 528302, 5283086, 528310, 528335, 528350, 428364, C08F 2000

Patent

active

051624559

ABSTRACT:
A thermoplastic, segmented, linear copolyetherester elastomer with soft segments derived from poly(alkylene oxide) glycol and hard segments of poly(1,2-ethylene terephthalate) or poly(1,4-butylene terephthalate) contains very small amounts of certain bifunctional units. Preferred units are derived from trans-1,4-cyclohexylene-bis-(N-trimellitimide) and p-phenylene-bis-(N-trimellitimide). Fibers of the elastomer have non-tacky characteristics and improved elastic properties.

REFERENCES:
patent: 3023192 (1962-02-01), Shivers
patent: 4731435 (1988-03-01), Greene et al.
patent: 4769441 (1988-09-01), Jackson, Jr. et al.
patent: 4810770 (1989-03-01), Greene et al.
patent: 4828927 (1989-05-01), Timmerman et al.
patent: 4906729 (1990-03-01), Greene et al.
patent: 5102978 (1992-04-01), Richard, Jr.

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