Organopolysiloxane compositions

Details Organopolysiloxane compositions Organopolysiloxane compositions

1975-04-04

1976-05-18

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 465UA, C08L 8304

Patent

active

039577171

ABSTRACT:
Organopolysiloxane compositions comprising cyclic diorganosiloxane polymers containing at least two silicon-bonded unsaturated hydrocarbon groups per molecule, organopolysiloxanes composed of the triorganosiloxy and SiO.sub.2 groups, and organohydrogenpolysiloxanes containing at least two silicon-bonded hydrogen atoms per molecule, including platinum catalysts, and fillers are disclosed. Cured products prepared from these materials are safe from cracking and possess excellent mechanical properties as well as very low moisture permeability. The compositions are suitable for various fields of applications including encapsulation of electronic parts.

REFERENCES:
patent: 3057469 (1962-10-01), Bond et al.
patent: 3527659 (1970-09-01), Keil
patent: 3539530 (1970-11-01), Karstedt

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