Impregnated insulating tape for fabricating an insulating sleeve

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...

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428363, 428413, 4284111, 428420, 528 89, 528 93, B32B 516, B32B 2738

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active

044789068

ABSTRACT:
An insulating tape for manufacturing an insulating sleeve for electric conductors, impregnated with a heat-hardening epoxy resin-acid anhydride hardener mixture, contains a self-hardening bonding agent-accelerator composition of an epoxy resin as the bonding agent and a quarternary onium salt as the accelerator. To prevent migration of the charge carriers present in the accelerator, the accelerator further has a group which can react with the bonding agent-impregnating resin mixture. This group causes a fixation of the accelerator in the lattice produced during the hardening.

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patent: 4405765 (1983-09-01), Demmler et al.
patent: 4405766 (1983-09-01), Bertram et al.

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