Epoxy resins with improved adhesion and peel strength

Details Epoxy resins with improved adhesion and peel strength Epoxy resins with improved adhesion and peel strength

1978-03-27

1980-02-05

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 93, 528111, 528367, 528407, 525113, 525507, C08G 5956, C08G 5960

Patent

active

041873670

ABSTRACT:
A process is disclosed for making a cured epoxy resin which has improved adhesion and peel strength. The cured resin is made by combining an epoxy resin with a polyether diureide having terminal ureido or monosubstituted ureido groups and having a molecular weight of from about 2000 to 3000 and an aminoalkylene derivative of a polyoxyalkylenepolyamine. The cured resin is useful, for example, for bonding metals.

REFERENCES:
patent: 3380881 (1968-04-01), Williamson et al.
patent: 3462393 (1969-08-01), Legler
patent: 3496138 (1970-02-01), Sellers et al.
patent: 3645969 (1972-02-01), Harvey
patent: 4002598 (1977-01-01), Waddill et al.
Kirk-Othmer, "Encyclopedia of Chemical Technology", 2nd Ed., 1965, Wiley & Sons.

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