Method for producing a liquid silicone rubber base

Details Method for producing a liquid silicone rubber base Method for producing a liquid silicone rubber base

1985-07-12

1987-03-10

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

264102, 264349, 2641761, 425203, 425204, 524266, 524860, B29B 748, B29B 784

Patent

active

046490051

ABSTRACT:
Filled silicone rubber bases can be prepared without plasticizer by passing all of the filler together with from 30 to 100 percent of the total weight of the polyorganosiloxane ingredient of the base through the first kneading section of a compounding extruder and adding my remaining polyorganosiloxane before passing the composition through a second kneading section of the compounding extruder. The two kneading sections are maintained at temperatures of from 200.degree. to 300.degree. C.

REFERENCES:
patent: 3960802 (1976-06-01), Beers et al.
patent: 4032502 (1977-06-01), Lee et al.
patent: 4061704 (1977-12-01), Barter
patent: 4340709 (1982-07-01), Jeram et al.
patent: 4442060 (1984-04-01), Bouverot et al.
patent: 4528156 (1985-07-01), Fukuda et al.
patent: 4528324 (1985-07-01), Chung et al.

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