Clear organosiloxane compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

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528 31, 528 32, 525478, C08G 7712, C08G 7716

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active

049855255

ABSTRACT:
The degree and reproducibility of cohesive bonding between gum-type organosiloxane elastomers cured by a platinum-catalyzed hydrosilation reaction and organic polymer substrates are increased when the composition used to prepare the elastomer contains an amount of silanol-functional polydirganosiloxane sufficient to impart an activity number of at least 40 to the polydiorganousiloxane gums present in said composition.

REFERENCES:
patent: 3677981 (1972-07-01), Wada et al.
patent: 3817910 (1974-06-01), Viksne
patent: 4045390 (1977-08-01), Itoh et al.
patent: 4719262 (1988-01-01), Plueddmann
patent: 4732931 (1988-03-01), Maxson
patent: 4795775 (1989-01-01), Baile et al.
patent: 4857564 (1989-08-01), Maxson

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