Cross-linked organosiloxane polymers

Details Cross-linked organosiloxane polymers Cross-linked organosiloxane polymers

1988-08-04

1989-10-31

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524588, 524861, 528 15, 528 25, 528 31, 525479, 556431, 556434, 556451, C08K 702, C08G 7706

Patent

active

048778206

ABSTRACT:
Disclosed are novel, cross-linked or cross-linkable linear poly(organohydrosiloxanes) wherein the cross-linking units are derived from polycyclic polyenes. These polymers or prepolymers are prepared by reacting or partially reacting the poly(organohydrosiloxanes) with the polycyclic polyene in the presence of a catalyst.

REFERENCES:
patent: 4640968 (1987-02-01), Watanabe et al.
patent: 4728687 (1988-03-01), Watanabe et al.
"Polycycloalkylene-Siloxane Polymers: Synthesis and Thermal Study", 16 Journal of Polymer Science: Polymer Chemistry Edition, 483-490 (1978).
E. P. Pluddeman et al, "Epoxyorganosiloxanes", 81 Journal of the American Chemical Society 2632, col. 2, lines 11-12 (1958).
J. L. Speier et al, "The Addition of Silicon Hydrides to Olefinic Double Bonds. Part II. The Use of Group VIII Metal Catalysts", 79 Journal of the American Chemical Society 974, 1975 (1957).

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