Cross-linkable epoxy resin casting compounds

Details Cross-linkable epoxy resin casting compounds Cross-linkable epoxy resin casting compounds

1975-09-26

1978-02-07

Anderson, Harold D.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 47EP, 260 47EC, 260 47EA, 260 7841, 260836, C08G 5942

Patent

active

040728048

ABSTRACT:
The invention provides epoxy resin casting compounds based on polyepoxides, polycarboxylic acids and/or polycarboxylic acid anhydrides with directly or latently present carboxyl functions, which can be converted by polyaddition and/or polymerization into insoluble and unmeltable cross-linked polymers. According to the invention, the carboxyl functions are replaced, at least partially, by maleic acid monoallyl ester and a polymerization-initiating radical former, the maleic acid monoallyl ester component being present in the reaction mixture in free form and/or in the form of adducts to the polyepoxide. The epoxy resin casting compounds constitute systems which can be processed in a wide temperature range and are cross-linked rapidly at elevated temperature.

REFERENCES:
patent: 3450613 (1969-06-01), Steinberg
patent: 3637618 (1972-01-01), May
patent: 3720592 (1973-03-01), Mani
patent: 3736289 (1973-05-01), Marshall
patent: 3847769 (1974-11-01), Garratt et al.
patent: 3932556 (1976-01-01), Takamori et al.

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