Phenol terminated polymers and epoxies therefrom

Details Phenol terminated polymers and epoxies therefrom Phenol terminated polymers and epoxies therefrom

1982-11-22

1984-01-31

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

5253337, 5253592, 525384, 528121, 528123, 549560, 568718, 568720, C08G 5924, C08G 5932, C08F 808

Patent

active

044290993

ABSTRACT:
The invention sets forth novel telechelic (terminally functional) prepolymers which may be reacted to form curable epoxides. On account of the incorporation of saturated elastomer chains into the prepolymers improved epoxides arise having increased moisture resistance and less brittleness than conventional epoxides. These prepolymers may be straight chain or three-armed star, emanating from a common phenyl ring nucleus. Molecular weights of the prepolymers range from about 700 to 50,000 (linear) and from about 1000 to about 75,000 (three-arm star). The epoxides are useful as coatings, in adhesives, as additives, and the like.

REFERENCES:
patent: 3060140 (1962-10-01), Greenlee
patent: 3309339 (1967-03-01), Barton et al.
patent: 3370038 (1968-02-01), Barton et al.
patent: 4316973 (1982-02-01), Kennedy

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