Asymmetrical siloxy compounds

Details Asymmetrical siloxy compounds Asymmetrical siloxy compounds

1998-03-02

2000-07-04

Woodward, Ana

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524265, 524267, C08L 700, C08L 900, C08L 1100, C08L 2300, C08L 2500

Patent

active

060840145

ABSTRACT:
The present invention relates to asymmetrical siloxy compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R.sup.4 is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl-substituted arylene groups having from 6 to 10 carbon atoms; n is an integer of from 2 to 8 and X is selected from the group consisting of ##STR2## and R.sup.5 is selected from the group consisting of alkyl groups having from 1 to 15 carbon atoms, aryl and alkyl substituted aryl groups having 6 to 10 carbon atoms.

REFERENCES:
patent: 4820751 (1989-04-01), Takeshita et al.
patent: 5663358 (1997-09-01), Cohen et al.
patent: 5698619 (1997-12-01), Cohen et al.

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