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

1987-11-09

1989-10-10

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524425, 524448, 524431, 524430, 524437, 524451, 524445, 524783, 524786, 524785, 524788, 524858, 524859, 524868, 524789, 528 17, 528 18, 528 21, 528 29, 528 27, 528 28, 525523, C08K 906

Patent

active

048732729

ABSTRACT:
A polyether having molecular weight from 1,000 to 50,000, end-blocked with hydrolyzable silyl groups and represented by the general formula (P): ##STR1## where R.sup.1, R.sup.2, R.sup.6 and R.sup.7 individually represent a divalent hydrocarbon group, R.sup.4 represents a monovalent hydrocarbon group, R.sup.8 represents an alkyl group with 1 to 6 carbon atoms, a represents a number from 1 to 3, m represents a number from 10 to 500, n represents a number of 1 or greater and --N.dbd.X.dbd.N-- represents a residue group of a diimino heterocyclic compound, from which nitrogen-bonded hydrogen atoms are eliminated, said diimino heterocyclic compound having no ##STR2## bond in a molecule is produced and utilized in room temperature curing compositions containing inorganic filler and curing catalyst. There is also disclosed a method for producing the above polyether by reacting polyoxyalkylene end-blocked with epoxy groups, diimino heterocyclic compound and organo silicon compound.

REFERENCES:
patent: 4278784 (1981-07-01), Wong
patent: 4463115 (1984-07-01), Hirose et al.

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