Epoxy-functional polysiloxane polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

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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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