Polyureas and preparation thereof

Details Polyureas and preparation thereof Polyureas and preparation thereof

1977-01-04

1978-07-25

Morris, Theodore

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 328N, 528 85, C08G 2200, C08G 5134

Patent

active

RE0297119

ABSTRACT:
The invention disclosed is a method for preparing new improved polyureas from polyisocyanates and polyamines. The product polyureas are characteristically tough, abrasion resistant resins having broad spectrum utility.

REFERENCES:
patent: 3412054 (1968-11-01), Milligan
patent: 3462470 (1969-08-01), Emery
patent: 3682867 (1972-08-01), Shackelford
patent: 3836493 (1974-09-01), Matsuda
patent: 3892696 (1975-07-01), Wood
patent: 3897585 (1975-07-01), Wood
Australian Specification 12,091/66, pub. 11, Apr. 1968.
Australian Specification 10,298/66, pub. 29, Feb. 1968.
Australian Specification 4,613/66, pub. 26, Oct. 1967.

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