Organosilicon compositions

Details Organosilicon compositions Organosilicon compositions

C - Chemistry, Metallurgy

08

G

402/11, 402/27,

C08G 77/20 (2006.01) C08G 77/50 (2006.01) C08L 83/14 (2006.01)

Patent

CA 2008027

0914p Leibfried Case 9 ORGANOSILICON COMPOSITIONS Abstract of the Disclosure An organosilicon polymer composition comprising alternating polycyclic polyene residues and polysiloxane or siloxysilane residues linked through carbon to silicon bonds, the polycyclic polyene residues being derived from polycyclic polyenes having at least two non-aromatic carbon-carbon double bonds in their rings and from about 5% to about 70% of the polysiloxane and siloxysilane residues being derived from linear, short chain ?SiH terminated polyslloxanes, the remainder being derived from cyclic polysiloxanes or tetrahedral siloxysilanes, a process for making the polymer compositions including intermediate stable prepolymer compositions, and the use of the intermediate prepolymer compositions to make thermoset organosilicon polymers by curing the organosilicon prepolymer compositions in the presence of a hydrosilation catalyst.

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