Abrasive article with tie coat and method

Details Abrasive article with tie coat and method Abrasive article with tie coat and method

1998-04-13

2000-10-31

Marcheschi, Michael

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51298, 51307, 51309, B24D 302, B24D 1100, B24D 1104

Patent

active

061395943

ABSTRACT:
An abrasive article is provided that includes a tie coat which improves adhesion between an abrasive layer and a backing in the abrasive article. The tie coat is preferably formed from a tie coat precursor comprising a sulfopoly(ester-urethane) component comprising in its backbone at least one non-terminal arylene or alkylene group comprising a pendant sulfonic acid group or salt thereof having the formula: ##STR1## wherein R is a trivalent aliphatic or aromatic group and M is a cation, said aliphatic or aromatic group being bonded directly to ester groups and wherein the polymer is terminated by at least one hydrolyzable silyl group. Preferably, the abrasive article is a structured abrasive article. Also provided is a method for making an abrasive article.

REFERENCES:
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patent: 5152917 (1992-10-01), Pieper et al.
patent: 5203884 (1993-04-01), Buchanan et al.
patent: 5435816 (1995-07-01), Spurgeon et al.
patent: 5633068 (1997-05-01), Ryoke et al.
patent: 5669940 (1997-09-01), Stubbs
patent: 5672185 (1997-09-01), Ryoke
patent: 5700302 (1997-12-01), Stoetzel et al.
patent: 5711772 (1998-01-01), Ryoke et al.
Patent Abstracts of Japan, vol. 095, No. 8, Sep. 29, 1995, Japanese Pat. No. 07138336 A, May 30, 1995.

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