High-strength silicon rubber compositions

Details High-strength silicon rubber compositions High-strength silicon rubber compositions

1991-08-02

1993-08-24

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 35, 528 31, 525478, C08G 7706

Patent

active

052390349

ABSTRACT:
Silicone rubber compositions, of the addition curable type, comprise as a base polymer a vinyl-containing organopolysiloxane having a tetraorganosilethylenesiloxane unit of the following general formula: ##STR1## wherein R.sup.1 to R.sup.4 are each a monovalent hydrocarbon group of from 1 to 10 carbon atoms. The silicone rubber composition gives a cured product having high strength, for example, a tensile strength of 30 kg/cm.sup.2 or above, without compounding fillers or reinforcing agents.

REFERENCES:
patent: 3294740 (1966-12-01), McVannel
patent: 3997497 (1976-12-01), Itoh et al.
patent: 4208506 (1980-06-01), Deichert et al.
patent: 4886865 (1989-12-01), Ikeno et al.

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