Process for molding silicone rubber compositions

Details Process for molding silicone rubber compositions Process for molding silicone rubber compositions

1987-03-24

1988-11-08

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264178F, 264201, 2642096, 264236, 26433111, 264347, B29C 4778

Patent

active

047832894

ABSTRACT:
Extruded articles such as filaments and films are fabricated by blending the components of a curable liquid silicone rubber composition at temperatures of from -60.degree. to +5.degree. C. and then extruding the composition into water maintained at a temperature of at least +25.degree. C. to cure said composition. The water bath preferably contains a surfactant to facilitate processing of the extruded article. The present method provides uniformly cured articles that are almost bubble-free and have low shrinkage ratios.

REFERENCES:
patent: 2820252 (1958-01-01), Koch
patent: 3260774 (1966-07-01), Harlow
patent: 3699197 (1972-10-01), Egger
patent: 3781400 (1973-12-01), Couchoud et al.
patent: 4061704 (1977-12-01), Barter
patent: 4098861 (1978-07-01), Bassani
patent: 4100240 (1978-07-01), Bassani
patent: 4104351 (1978-08-01), Blizzard et al.
patent: 4371682 (1983-02-01), Hashimoto
patent: 4528156 (1985-07-01), Fukuda et al.

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