Phthalic acid ester-modified organopolysiloxane and method for i

Details Phthalic acid ester-modified organopolysiloxane and method for i Phthalic acid ester-modified organopolysiloxane and method for i

1988-11-10

1990-05-08

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 708

Patent

active

049240200

ABSTRACT:
There is disclosed a novel phthalic acid ester-modified organopolysiloxane having the general formula ##STR1## where in R.sup.1 is a monovalent hydrocarbon group, R.sup.2 is a group R.sup.1 or a group with the formula ##STR2## with the proviso that at least one of the groups R.sup.2 in each molecule is the group with the formula ##STR3## in which R.sup.3 is an alkyl group, R.sup.4 is an alkylene group, and m is a positive integer.
The organosiloxane is useful as a co-reactant in the preparation of organic resins such as polyesters, polyamides and polyimides.

REFERENCES:
patent: 3542836 (1970-11-01), Adams
patent: 3631084 (1971-12-01), Sistou
patent: 4636573 (1987-01-01), Pastor et al.

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