Process for preparation of a room-temperature curable resin

Details Process for preparation of a room-temperature curable resin Process for preparation of a room-temperature curable resin

1987-12-21

1988-12-06

Welsh, Maurice J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525446, 525453, 525457, 525477, 525523, 528 26, 556413, 556418, 556423, 556424, C08G 1861

Patent

active

047897104

ABSTRACT:
A process for the preparation of a room-temperature curable resin comprises reacting a compound (A) containing at least two acryloyl groups and/or methacryloyl groups in a molecule, and having from 100 to 100,000 of number-average molecular weight, with an aminosilane compound (B) represented by formula, ##STR1## (wherein X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acryloxy, ketoxymate, amino, acid amide, aminoxy, mercapto, alkenyloxy groups; R.sub.1 is C.sub.1 -C.sub.10 alkyl group, aryl group, or aralkyl group; n is an integer of from 1 to 3, and m is an integer of from 1 to 10),
at the ratio of at least 0.2 equivalents of primary amino groups contained in the compound (B) to equivalent of acryloyl groups and/or methacryloyl groups contained in the compound (A), under substantially water-free condition, subsequently reacting the reaction product of aminosilane-modified resin and, furtherwith a monofunctional isocyanate compound (C) represented by formula,

REFERENCES:
patent: 3632557 (1972-01-01), Brode et al.

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