Coated abrasives and backing therefor

Details Coated abrasives and backing therefor Coated abrasives and backing therefor

B - Operations, Transporting

24

D

B24D 3/00 (2006.01) B24D 3/28 (2006.01) B24D 11/02 (2006.01)

Patent

CA 2247202

A coated abrasive sheet material comprising (a) a backing substrate having at least one major surface, (b) a plurality of abrasive grains, (c) a binder bonding said plurality of abrasive grains to said at least one major surface of the backing substrate, characterised in that the backing substrate comprises paper having a basis weight of less than about 200 g/m2 which is essentially free of latex saturants and has on said at least one major surface with the plurality of abrasive grains, one or more extruded layers of a thermoplastic polymer, and a method of making the coated abrasive sheet material.

L'invention porte sur un abrasif sur support en feuilles comportant: (a) un substrat présentant au moins une surface principale, (b) une multitude de grains abrasifs, (c) un liant fixant ladite multitude de grains abrasifs à la ou lesdites surfaces principales du substrat, caractérisé en ce que ledit substrat consiste en un papier d'un grammage de moins d'environ 200 g/m?2¿ essentiellement exempt de saturants de latex et présente sur la ou lesdites surfaces principales avec la multitude de grains abrasifs, une ou plusieurs couches extrudées d'un polymère thermoplastique. L'invention porte également sur le procédé de fabrication de l'abrasif en feuilles.

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