.beta.-diketo functional organosilicon compounds

Details .beta.-diketo functional organosilicon compounds .beta.-diketo functional organosilicon compounds

1998-07-06

2000-09-19

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

524588, 528 21, 528 26, 528 34, 528 38, 556418, 556419, 556422, 556439, C08G 7700

Patent

active

061214043

ABSTRACT:
A method of making .beta.-diketo functional silanes and siloxanes in which the acetoacetic ester moiety, i.e., .beta.-diketo CH.sub.3 COCH.sub.2 CO--, is attached to the oxygen or nitrogen atoms of C--OH or C--NH.sub.2 containing functional silanes or siloxanes, by reacting the organosilicon nucleophile with diketene, as illustrated below for the C--OH containing functional silane. ##STR1## The products can be formed into curable compositions, or used as additives in durable textile treatments, polyurethane foams, and hair care applications.

REFERENCES:
patent: 4861839 (1989-08-01), Mizuguchi et al.
patent: 5025053 (1991-06-01), Canivenc
patent: 5952443 (1999-09-01), Wilt et al.

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