Epoxy-functional polysiloxane polymers

Details Epoxy-functional polysiloxane polymers Epoxy-functional polysiloxane polymers

1978-09-18

1980-06-17

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

26034841, 528 12, 528 21, 528 27, 528 33, 528 34, 528 37, C08G 7706

Patent

active

042085039

ABSTRACT:
The invention relates to novel epoxy-functional polysiloxane polymers having the general formula ##STR1## in which A is a radical containing at least one epoxy group, R is a monovalent hydrocarbon radical having up to 18 carbon atoms and a is a number of from 1 to 20,000. These novel polymers may be prepared by equilibrating silanes containing at least one epoxy group with an organopolysiloxane in the presence of a base catalyst.

REFERENCES:
patent: 2997458 (1961-08-01), Lewis
patent: 3057901 (1962-10-01), Plueddemann
patent: 3455877 (1969-07-01), Plueddemann
patent: 3563941 (1971-02-01), Plueddemann
patent: 3660434 (1972-05-01), Patterson
patent: 3761444 (1973-09-01), Mendicino
patent: 4082726 (1978-04-01), Mine et al.

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