Compositions containing rheology modifiers with functional group

Details Compositions containing rheology modifiers with functional group Compositions containing rheology modifiers with functional group

1998-11-24

2000-08-29

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524212, C08K 521

Patent

active

061110019

ABSTRACT:
Disclosed are compositions comprised of (a)a polymer containing pendant and/or functional groups selected from the group consisting of carbamate, urethane and/or amide functional groups; and (b) a rheology modifier comprising the reaction product of an amine and an isocyanate; and, optionally, a polymer which is different from the polymer (a) which contains carbamate, urethane and/or amide functional groups. Also disclosed are curable compositions comprised of the compositions described above which further comprise (c) a curing agent having functional groups reactive with the functional groups of the polymer (a). The curable compositions are useful for a variety of applications such as adhesives, sealants and surface coatings where the presence of a carbamate, urethane and/or amide functional polymer in conjunction with the rheology modifier provides improved thixotropy and superior sag resistance.

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patent: 5256453 (1993-10-01), Heithorn
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