THERMALLY CURABLE BINDER FOR COMPOSITE MATERIALS Russian patent published in 2005 - IPC

Abstract RU 2250241 C2

FIELD: polymer materials and composites.

SUBSTANCE: invention relates to epoxide compositions, in particular to preparation of hot-molded thermally curable epoxide compositions used as binders in manufacture of composite materials and products thereof. Binder comprises 60-70% 4,4'-isopropylidenediphenol epoxide resin, amine-type curing agent, and additionally 5-15% aliphatic epoxide resin (DEG-1) and 1-5% phenyl glycidyl ether. Curing agent (utilized in balancing amounts) is aniline-formaldehyde condensation product, condensation being carried out in presence of acid catalyst and giving aminobenzylaniline as main condensation product.

EFFECT: achieved high and stable physicochemical characteristics of glass-plastic articles.

2 tbl, 5 ex

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RU 2 250 241 C2

Authors

Nikolaev V.N.

Dates

2005-04-20—Published

2003-04-14—Filed