Liquid vinylidene-terminated polymers cured with amines and thio

Details Liquid vinylidene-terminated polymers cured with amines and thio Liquid vinylidene-terminated polymers cured with amines and thio

1978-12-11

1981-03-10

Henderson, C. A.

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

Synthetic resins

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

260 4229, 525327, 525336, 525350, 525379, 525381, 525382, 526288, 526289, 526310, 526312, C08F 800, C08J 324, C08K 537, C08K 517

Patent

active

042555388

ABSTRACT:
Liquid vinylidene (CH.sub.2 .dbd.C<) terminated polymers are prepared by the reaction of a (1) liquid polymer having a terminal functional group selected from the group consisting of carboxyl, hydroxyl, mercaptan, amine and epoxy and (2) a compound containing both an epoxy group ##STR1## and a vinylidene group. The reaction can be catalyzed using a base. The polymers cure readily to solid elastomers which are useful as sealants, caulks, potting compounds, coatings and the like.

REFERENCES:
patent: 3705882 (1972-12-01), Skillcorn
patent: 3711451 (1973-01-01), Csontos
patent: 3770702 (1973-11-01), Roper
patent: 3880956 (1975-04-01), Skoultchi
patent: 3948739 (1976-04-01), Chaudhari

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