Unitary molded silicone rubber product from two different silico

Details Unitary molded silicone rubber product from two different silico Unitary molded silicone rubber product from two different silico

1987-08-20

1989-06-27

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of silicon containing

428408, 264105, A01B 106, B32B 904

Patent

active

048429430

ABSTRACT:
Molded silicone rubber unitary bodies of a carbon black containing portion and a portion containing substantially no carbon black which is obtained from a platinum catalyzed addition reaction composition are useful as keyboard pads, zebra-type connectors, and electrical joints. These molded bodies can be made by tightly contacting the uncured composition containing substantially no carbon black with a cured silicone rubber containing the carbon black and then heating to cure.

REFERENCES:
patent: 3620873 (1971-11-01), Ehrreich et al.
patent: 4284679 (1981-08-01), Blad et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition, vol. 20, pp. 950 and 961, (1982).

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