Heat-hardening reaction resin mixture for impregnating insulatio

Details Heat-hardening reaction resin mixture for impregnating insulatio Heat-hardening reaction resin mixture for impregnating insulatio

1985-09-10

1987-01-13

Cockeram, Herbert S.

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...

525455, 528 48, 528 73, C08G 1818, C08G 1830, C08G 1858, C08F28304

Patent

active

046365567

ABSTRACT:
A heat-hardenable reaction resin mixture including a polyisocyanate; a polyepoxy resin and an olefinically unsaturated compound having no active hydrogen atoms. Addition complexes of tertiary amines and boron trichloride having the general formula BCl.sub.3.NR.sub.1 R.sub.2 R.sub.3 are used as accelerators. Polymerizate inhibitors may also be added. The mixture is very storage-stable and hardens in short times (quickly) at elevated temperatures. The molding materials obtained in this manner are highly resistant to thermal aging.

REFERENCES:
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patent: 3836492 (1974-09-01), Watanabe et al.
patent: 4022721 (1977-05-01), Ashida
patent: 4128531 (1978-12-01), Toyoda et al.
patent: 4162357 (1979-07-01), Kubens et al.
patent: 4220731 (1980-09-01), Zuppinger
patent: 4224422 (1980-09-01), Rude et al.
patent: 4225460 (1980-09-01), Newell

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