Composite abrasive wheels

Details Composite abrasive wheels Composite abrasive wheels

1992-11-09

1994-03-01

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 59, 528 60, 528 65, C08G 1816

Patent

active

052909034

ABSTRACT:
A composite abrasive wheel with improved thermal properties is comprised of a fibrous substrate with abrasive particles adhered thereto by a crosslinked polyurethane binder comprising heterocyclic groups. The heterocyclic structures, such as isocyanurate and/or oxazolidone rings, in the binder system improve the thermal properties required for a tough, durable abrasive wheel.

REFERENCES:
patent: 2958593 (1960-11-01), Hoover et al.
patent: 4227350 (1980-10-01), Fitzer
patent: 4609380 (1986-09-01), Barnett et al.

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