Low density abrasive utilizing isocyanurate resin

Details Low density abrasive utilizing isocyanurate resin Low density abrasive utilizing isocyanurate resin

1972-04-05

1977-03-08

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51296, 51297, 51298A, B21B 2100, B24D 332

Patent

active

040110630

ABSTRACT:
An improved low-density abrasive of the type wherein abrasive granules are bonded throughout a lofty, porous, compressible, non-woven fibrous web, the fibers bonded to each other and the abrasive granules bonded to the webs by a resin or the fibers of the web being bonded to each other by a first resin and the abrasive granules bonded to the web by a second resin. At least one of the resins employed in the present product is a hard, tough, polyisocyanurate resin having a minimum of 0.5 gram equivalent of isocyanurate per thousand grams of resin, the sum of the urethane plus isocyanurate equivalents being at least 1.3. The resulting product is useful for a wide spectrum of industrial and home abrasives applications.

REFERENCES:
patent: 2958593 (1960-11-01), Hoover et al.
patent: 3020139 (1962-02-01), Camp et al.
patent: 3071554 (1963-01-01), Scott et al.
patent: 3301644 (1967-01-01), Habib
patent: 3378398 (1968-04-01), Nottebohm et al.
patent: 3510283 (1970-05-01), McGurran
patent: 3529945 (1970-09-01), Charvat

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