Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-01-31
1991-05-14
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253338, 560 93, 560112, 560200, 560209, 560240, C08C 1900, C08F 800, C08F 814, C08F 846
Patent
active
050156977
ABSTRACT:
A process is disclosed for preparing a composition comprising a polybutyl ketone and a hydroxyester of an epoxidized polybutene wherein the epoxide groups of said epoxidized polybutene are at least 70% trisubstituted. Acid compounds are reacted with epoxidized polybutenes to obtain compositions of increased reactivity as compared with polybutyl ketone compounds. These compositions are useful as chemical intermediates to modify such materials as polyesters and polyurethenes, for applications such as coatings, foams, and sealants.
REFERENCES:
patent: 3155638 (1964-11-01), Mueller
patent: 3382255 (1968-05-01), White
Amoco Corporation
Blumberg Gunar J.
Krass Frederick
Magidson William H.
Medhurst Ralph C.
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