Polyether end-blocked with hydrolyzable silyl groups, method of

Details Polyether end-blocked with hydrolyzable silyl groups, method of Polyether end-blocked with hydrolyzable silyl groups, method of

1988-08-26

1990-06-12

Briggs, Sr., Wilbert J.

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

Synthetic resins

From silicon reactant having at least one...

524858, 525403, 525409, 525523, 528 28, 528407, 556423, C08G 7704

Patent

active

049334158

ABSTRACT:
There are provided polyethers end-blocked with hydrolyzable silyl groups which have molecular weight from 500 to 50,000 and are represented by the formula: ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 individually represent a divalent hydrocarbon group, R.sup.5 represents a monovalent hydrocarbon group, R.sup.6 represents an alkyl group with 1 to 6 carbon atoms, A represents a substituted or non-substituted divalent aromatic group, a represents a number of 1 to 3, m represents a number of 10 to 500 and n represents a number of 1 or greater. The polyether is produced by reacting an epoxy end-blocked polyoxyalkylene, a mono-epoxy substituted hydrolyzable silane, and an aromatic diamine.

REFERENCES:
patent: 3247280 (1966-04-01), Kanner
patent: 4116900 (1978-09-01), Belanger

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