Coated abrasives and backing therefor

Details Coated abrasives and backing therefor Coated abrasives and backing therefor

1997-02-21

1999-11-16

Sergent, Rabon

Abrasive tool making process, material, or composition

With synthetic resin

51303, 51307, 51308, 51309, 15624411, 15624424, 156305, 26417411, 427180, 427201, 427202, 427204, 427205, 427326, 427391, 427411, 428219, 428340, 428341, 428342, 428441, 428442, 428451, 428481, 428507, 428511, 428512, 428513, 428514, 4285375, C09K 314, C08J 514, B24D 320, B24D 328, B24D 334, B24D 1100, B24D 1102

Patent

active

059849894

ABSTRACT:
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, wherein the backing substrate comprises paper having a basis weight of less than about 200 g/m.sup.2 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.

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R.H. Cramm, "Extrusion Coating," in Pulp and Paper: Chemistry and Chemical Technology, J.P. Casey editor vol. IV, 3.sup.rd rd edition, Wiley-Interscience, N.Y., pp. 2501-2532 (1983).

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