Modified amine hardener systems

Details Modified amine hardener systems Modified amine hardener systems

1981-05-26

1982-05-18

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528103, 528109, 525504, 564325, C08G 5950

Patent

active

043306594

ABSTRACT:
A resinous hardener system comprising the reaction product of diamino diphenylsulfone compounds and diglycidyl ethers of polyhydric phenols. The hardener system can be incorporated into a variety of epoxy resins for use as improved prepreg or laminating resins, as resin molded castings, and the like.

REFERENCES:
patent: 2909448 (1959-10-01), Schroeder
patent: 3155743 (1964-11-01), Newey

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