Abrasive material having a polycarbodiimide and polyurethane res

Details Abrasive material having a polycarbodiimide and polyurethane res Abrasive material having a polycarbodiimide and polyurethane res

1978-03-02

1980-09-09

Arnold, Donald J.

Abrasive tool making process, material, or composition

With synthetic resin

51296, 521901, 528 51, B24B 100, B24B 3702

Patent

active

042215722

ABSTRACT:
An abrasive material which comprises abrasive grains and a polycarbodiimide and polyurethane resin as the binder for the abrasive grains and a method of preparation thereof are disclosed. The polycarbodiimide and polyurethane resin is prepared by reacting a polyisocyanate and a polyol in the presence of a catalyst. The resin has a specified amount of carbodiimide bonding and urethane bonding.

REFERENCES:
patent: 3029209 (1962-04-01), Ferrigno
patent: 3193522 (1965-07-01), Neumann et al.
patent: 3226368 (1965-12-01), Reischl et al.
patent: 3377411 (1968-04-01), Charvat
patent: 3929733 (1975-12-01), Alberino et al.
patent: 4010220 (1977-03-01), Gruffaz

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