Foamed glass article for preparing surfaces, use therefor,...

Details Foamed glass article for preparing surfaces, use therefor,... Foamed glass article for preparing surfaces, use therefor,...

C - Chemistry, Metallurgy

03

C

C03C 8/14 (2006.01) B24D 3/00 (2006.01) B24D 3/28 (2006.01) B24D 13/14 (2006.01) B24D 18/00 (2006.01) C03B 19/08 (2006.01) C03C 1/00 (2006.01) C03C 11/00 (2006.01)

Patent

CA 2248580

A foamed glass article for preparing surfaces, the use therefor, and a method of making same are provided. The foamed glass article is in the form of a block, disk or similar product, and is used for preparing surfaces such as by sanding, rubbing and scraping the same to clean, abrade, polish, smooth, or the like such a surface. The foamed glass article is formed from a starting mixture that comprised waste glass, 0.10-20 % by weight of a non-sulfur based foaming agent, and optionally an additional abrasive material. A mixture of powdered waste glass and non-sulfur based foaming agent can be placed in a mold and heated so that the mixture sinters and subsequently foams. Thereafter, the foamed mixture is annealed.

Cette invention a trait à un article en verre-mousse pour la préparation de surfaces, à son utilisation ainsi qu'à une technique permettant de le fabriquer. On utilise cet article en verre-mousse qui se présente sous la forme d'un bloc, d'un disque ou d'un produit similaire, à la préparation de surfaces par sablage, friction et décapage, pour nettoyer, abraser, polir, lisser, etc., ces mêmes surfaces. L'article en verre-mousse est produit à partir d'un mélange de matières premières comprenant du verre de rebut, entre 0,10 et 20 % en poids d'un agent moussant à base de substances non soufrées et, éventuellement, un matériau abrasif supplémentaire. On place ce mélange constitué du verre de rebut et de l'agent moussant dans un moule et on le chauffe afin qu'il puisse s'agglomérer par frittage et donner un verre-mousse que l'on recuit ensuite.

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