Pristine phenylpropylalkylsiloxanes

Details Pristine phenylpropylalkylsiloxanes Pristine phenylpropylalkylsiloxanes

1994-01-31

1995-01-24

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 43, 556453, 556460, 556461, 556462, C08G 7706

Patent

active

053843835

ABSTRACT:
This invention pertains to pristine phenylpropylalkylsiloxanes consisting of mixtures of linear and cyclic siloxanes containing the structure ##STR1## and a method for their preparation. The pristine phenylpropylalkylsiloxanes of the instant invention contain no detectable silicon hydride (--SiH), free organics (--C.dbd.C--) or free inorganics. Additionally, the pristine phenylpropylalkylsiloxanes of the instant invention are high refractive index organosilicone polymers.

REFERENCES:
patent: 3088964 (1963-05-01), Ryan
patent: 3186964 (1965-06-01), Kookootsedes
patent: 3221040 (1965-11-01), Pater
patent: 3839384 (1974-10-01), Morehouse
Ryan, J. W. and Speier, J. L., "Addition of Silicon Hydrides to Olefinic Double Bonds. IV, The Addition to Styrene and x-Methylstyrene", Jul. 9, 1959, pp. 2052-2053.

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