Article having thermal recovery property

Details Article having thermal recovery property Article having thermal recovery property

1986-12-08

1989-04-11

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...

525455, 522 79, 522 81, 522142, 524371, 524412, 524921, C08F28300

Patent

active

048207829

ABSTRACT:
A shaped article having a thermal recovery property comprising a urethane resin composition, wherein said urethane resin composition comprises 100 parts by weight of a thermoplastic urethane resin and from 0.1 to 50 parts by weight of at least one polyfunctional monomer selected from the group consisting of trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, and triacrylformal, said composition is irradiated with electron beams or gamma-rays for a total dose of from 3 to 50 Mrad, subsequently deformed at a temperature not lower than the softening point of said composition, and then cooled to a temperature lower than said softening point while maintaining the deformed shape of said resin composition.

REFERENCES:
patent: 3396210 (1968-08-01), McKillip et al.
patent: 3624045 (1971-11-01), Stivers
patent: 3951657 (1976-04-01), Recchia et al.
patent: 4052356 (1977-10-01), Breitenfellner
patent: 4177074 (1979-12-01), Proskow
patent: 4187159 (1980-02-01), Goswami
patent: 4271259 (1981-06-01), Breslow
patent: 4337130 (1982-06-01), Ahramjian
patent: 4397974 (1983-08-01), Goyert et al.
patent: 4408023 (1983-10-01), Gould et al.
patent: 4454309 (1984-06-01), Gould

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