Hot-hardening reaction resin mixture for impregnating the insula

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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528 73, C08G 1818, C08G 5918

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active

041316002

ABSTRACT:
Addition complexes of tertiary amines and boron trichloride of the general formula BCl.sub.3.NR.sub. 1 R.sub.2 R.sub. 3 are used as an accelerator system for a heat-curing reaction resin mixture of purified polyisocyanate and polyepoxy resin compounds. Insulation impregnated with this reaction resin mixture exhibits high thermal stability in the hardened condition and can be used at high operating temperatures.

REFERENCES:
patent: 3694406 (1972-09-01), D'Alelio
patent: 3721650 (1973-03-01), D'Alelio
patent: 4070416 (1978-01-01), Narahara et al.

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