Low temperature polymethylsiloxane containing silicon-bonded hyd

Details Low temperature polymethylsiloxane containing silicon-bonded hyd Low temperature polymethylsiloxane containing silicon-bonded hyd

1985-12-16

1986-09-23

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 31, 528 32, 525478, C08G 7706

Patent

active

046136592

ABSTRACT:
Polymethylsiloxanes containing silicon-bonded hydrogen exhibit low temperature properties and can be made into gels with which also exhibit low temperature properties or into elastomeric materials. The polymethylsiloxanes have 84 to 96 mole percent dimethylsiloxane units, 0.5 to 6 mole percent trimethylsiloxy units, 2 to 10 mole percent methylsilsesquioxane units, and 0.25 to 3 mole percent monohydrogendimethylsiloxy units and the total mole percent of the trimethylsiloxy units and the monohydrogendimethylsiloxy units is at least 1.5.

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patent: 3453233 (1969-07-01), Flatt
patent: 3453234 (1969-07-01), Kookootsedes
patent: 3532649 (1970-10-01), Smith et al.

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