Method for making a glass mat and resulting product

Details Method for making a glass mat and resulting product Method for making a glass mat and resulting product

D - Textiles, Paper

04

H

D04H 1/00 (2006.01) D04H 1/64 (2006.01)

Patent

CA 2212921

A method for making a glass yarn mat, wherein a binder is continuously deposited on a mat of glass yarns spread over a moving conveyor, and the mat is baked and optionally calendered. For this purpose, a liquid binder with a viscosity on deposition of less than around 40 millipascals per second is deposited on the yarn mat, and said binder consists of an aqueous solution of one or more polyvinyl alcohols.

L'invention a pour objet un procédé de fabrication d'un mat de fils de verre selon lequel on dépose en continu, sur un matelas de fils de verre, réparti sur un convoyeur en mouvement, un liant, puis on soumet ledit matelas à un étuvage et éventuellement à un calandrage, qui consiste à déposer sur le matelas de fils un liant liquide dont la viscosité lors du dépôt est inférieure à environ 40 millipascals/seconde, ledit liant étant formé d'une solution aqueuse d'alcool(s) polyvinylique(s).

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