Process for the production of flexible protective, auxiliary and insulating materials on a fibre basis for electrical purposes, using impregnating massas which are curable by high energy radiation

US5405657A · kind A · utility

Assignee

• Herbert GmbH · DE

Inventors

• Udo Bastian · Ratingen, DE
• Rainer Krause · Hochheim, DE
• Gerhard Kiessling · Hattingen, DE

Key dates

• Filing date: Nov 2, 1993
• Grant date: Apr 11, 1995
• Expiry date: Nov 2, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31794
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for the production of flexible impregnated protective, auxiliary and insulating materials on a fibre basis for electrical purposes by the application of an impregnating agent to the material to be impregnated, followed by curing, characterised in that a solvent-free impregnating mass containing one or more olefinically unsaturated, radically polymerisable polyesters, which contain one or more radically polymerisable monomers as reactive diluents, one or more plasticizing agents and optionally one or more peroxide-free radical initiators is applied to the material to be impregnated and curing is then carried out with high energy radiation and optionally by further heating.