Spray polyurea elastomers with abrasion resistance

Details Spray polyurea elastomers with abrasion resistance Spray polyurea elastomers with abrasion resistance

1989-09-25

1993-11-30

Kight, III, John

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 49, 528 55, 528 56, 528 57, 528 60, 528 61, 528 64, 528 76, 528 77, 528 85, C08G 1830

Patent

active

052666719

ABSTRACT:
A spray polyurea elastomer which exhibits improved resistance to abrasion is disclosed. The elastomer includes an isocyanate, an amine terminated polyoxyalkylene polyol, a chain extender and a chemically sized filler material. The isocyanate is preferably a quasi-prepolymer of an isoyanate and a material selected from at least one polyol, a high molecular weight polyoxyalkyleneamine or a combination thereof. A method for making a spray polyurea elastomer which is substantially resistant to abrasion is also disclosed.

REFERENCES:
patent: 3714128 (1973-01-01), Rowton et al.
patent: 3979364 (1976-09-01), Rowton et al.
patent: 4607090 (1986-08-01), Dominguez
patent: 4695618 (1987-09-01), Mowrer
patent: 4732919 (1988-03-01), Grigsby, Jr. et al.
patent: 4870150 (1989-09-01), Bandlish et al.

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