Non-polluting waterproof cloth finish for abrasive cloth

Details Non-polluting waterproof cloth finish for abrasive cloth Non-polluting waterproof cloth finish for abrasive cloth

1976-03-31

1978-04-18

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51298A, B24D 1102

Patent

active

040849414

ABSTRACT:
A woven cellulosic cloth backing of cotton or rayon yarns for the manufacture of coated abrasives, particularly for the manufacture of coated abrasive belts for wet grinding, includes a backsize, of phenolic resin which may be admixed with a polymer having a glass transition temperature between 10.degree. and 40.degree. C, said backsize being directly adhered to the yarns of cloth, a polymeric film forming resin adhered to the yarns of cloth to which the backsize is not adhered, said resin having a glass transition temperature between 20.degree. and 50.degree. C, and a front size of a mixture of phenol-formaldehyde resin and the film former resin coating above referred to. An additional front coating of phenol-formaldehyde resin may be employed to provide a smooth surface for the application of a fine grit abrasive.

REFERENCES:
patent: 2269415 (1942-01-01), Netherly et al.
patent: 2281558 (1942-05-01), Cross
patent: 3787273 (1974-01-01), Okrepkie et al.
patent: 3861892 (1975-01-01), Wisdom et al.
patent: 3942959 (1976-03-01), Markoo et al.

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