Heat-vulcanizable moldable/extrudable organopolysiloxane composi

Details Heat-vulcanizable moldable/extrudable organopolysiloxane composi Heat-vulcanizable moldable/extrudable organopolysiloxane composi

1987-02-27

1988-08-02

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524267, 524268, 524425, 524431, 524433, 524437, 524445, 524448, 524428, 524860, 524796, 528 21, 528 24, C08L 3300

Patent

active

047614471

ABSTRACT:
Heat-vulcanizable organopolysiloxane compositions well adopted for extrusion and molding, and facilely converted into elastomeric shaped articles having improved physical and electrical properties, e.g., seals and sections, include a diorganopolysiloxane oil containing from 0.05 to 3 mol % of vinylsiloxy recurring units, as well as an amine having a pKa greater than 7.5 in aqueous solution at 25.degree. C. and a boiling point of less than 270.degree. C. at atmospheric pressure.

REFERENCES:
patent: 2707179 (1955-04-01), Peyrot et al.
patent: 2803619 (1957-08-01), Dickman
patent: 2819236 (1958-01-01), Dickman
patent: 3024214 (1962-03-01), Fenner
patent: 3660345 (1972-05-01), Bobear
patent: 4444940 (1984-04-01), Polmanteer
Hack's Chemical Dictionary, 4 ed., (1972), p. 35.

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