Polyether diureide epoxy additives

Details Polyether diureide epoxy additives Polyether diureide epoxy additives

1976-11-22

1978-08-29

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260553R, 260830TW, 528113, 528421, C08G 5956

Patent

active

041103092

ABSTRACT:
The adhesion properties of amine-cured epoxy resins are unexpectedly enhanced by addition of certain polyether diureide additives. The adhesively superior epoxy resin composition comprises a vicinal polyepoxide, a curing amount of an amine curing agent, and an effective amount of a polyether diureide having terminal ureido or monosubstituted ureido groups and a molecular weight of from about 2000 to about 3000.

REFERENCES:
patent: 3324176 (1967-06-01), Kirschnek et al.
patent: 3580887 (1971-05-01), Hubin
patent: 3717612 (1973-02-01), Babayan
patent: 3730915 (1973-05-01), Tomalia et al.
patent: 3758421 (1973-09-01), Nickles
patent: 3763177 (1973-10-01), Tomalia et al.
patent: 4002598 (1977-01-01), Waddill et al.

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