Trimethylsiloxy group-containing polysiloxane and a process for

Details Trimethylsiloxy group-containing polysiloxane and a process for Trimethylsiloxy group-containing polysiloxane and a process for

1997-09-04

1998-12-22

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 18, 528 34, 528 37, 556460, C08G 7708

Patent

active

058521534

ABSTRACT:
A novel cyclotrisiloxane having the following general formula (1) and a novel copolymer synthesized using the cyclotrisiloxane are provided. The copolymer is excellent in low-temperature characteristics, heat resistance, temperature-viscosity characteristics, and compatibility with various fluids and is particularly useful as a starting material for use in cosmetics and greases. ##STR1## wherein R.sup.2 is a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a halogenated alkyl group, an alkenyl group, an acryloyloxypropyl group or a methacryloyloxypropyl group, and R.sup.3 is a methyl group or a phenyl group.

REFERENCES:
patent: 5449800 (1995-09-01), Shimada et al.
patent: 5475076 (1995-12-01), Braun et al.
patent: 5496961 (1996-03-01), Dauth et al.

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