Coated abrasive binder containing ternary photoinitiator system

Details Coated abrasive binder containing ternary photoinitiator system Coated abrasive binder containing ternary photoinitiator system

1987-04-02

1988-04-05

Lieberman, Paul

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51293, 51298, 430332, B24D 1100

Patent

active

047356324

ABSTRACT:
Coated abrasive binders made from a photocurable addition-polymerizable composition containing a free-radically-polymerizable monomer and a photoinitiator system containing (i) an arylidonium salt, (ii) a sensitizing compound, and (iii) an electron donor having an oxidation potential that is greater than zero and less than or equal to that of p-dimethoxybenzene (1.32 volts vs. S.C.E.). The binders cure rapidly and deeply under ultraviolet or visible light, even when filled with large amounts of mineral grain or with coarse grades of minerals.

REFERENCES:
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patent: 4011063 (1977-03-01), Johnston
patent: 4047903 (1977-09-01), Hesse et al.
patent: 4126428 (1978-11-01), Rude
patent: 4240807 (1980-12-01), Kronzer
patent: 4298356 (1981-11-01), Teschner et al.
patent: 4457766 (1984-07-01), Caul
patent: 4547204 (1985-10-01), Caul
patent: 4642126 (1987-02-01), Zador et al.
patent: 4652274 (1987-03-01), Boettcher et al.

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