Thermoplastic composition

Details Thermoplastic composition Thermoplastic composition

1985-07-09

1987-04-28

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523513, 523521, 523522, 523526, 525 92, 525186, 525415, 128 90, C08L 6704, A61F 504

Patent

active

046615350

ABSTRACT:
A thermoplastic composition, especially for use as an orthopedic splinting or casting material comprises a crosslinked polymeric component and a filler. The crosslinked polymeric component comprises a polycaprolactone, such as poly(epsilon)caprolactone, and a thermoplastic rubber in a ratio of from about 4:1 to about 1.5:1 by weight. Styrene-butadiene-styrene and styrene-isoprene-styrene triblock copolymers are particularly suitable thermoplastic rubbers.
Crosslinking may be carried out using an organic peroxide such as benzoyl peroxide. The filler is preferably a mixture of talc and silica.

REFERENCES:
patent: 3637544 (1972-01-01), Lundberg
patent: 4144223 (1979-03-01), Kent
patent: 4240415 (1980-12-01), Wartman
patent: 4274983 (1981-06-01), Kent

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