Polyurea elastomers made using polyamine/carbonyl adducts as cha

Details Polyurea elastomers made using polyamine/carbonyl adducts as cha Polyurea elastomers made using polyamine/carbonyl adducts as cha

1991-10-16

1993-06-08

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521159, 521163, 521167, 128 60, 128 68, C08J 922

Patent

active

052180050

ABSTRACT:
Low molecular weight, polyoxyalkylene polyamine reacts with carbonyl compound making polyamine adduct used as chain extender in preparing tack-free, smooth polyurea elastomers, useful in solventless spray coatings.

REFERENCES:
patent: 4705814 (1987-11-01), Grigsby, Jr. et al.
patent: 4732919 (1988-03-01), Grigsby et al.
"Spray Polyurea, Versatile High Performance Elastomer for the Polyurethane Industry", Proceedings of the SPI 32nd Annual Technical/Marketing Conference pp. 126-130, Oct. 1989, D. J. Primeaux, II.
"Sprayed Polyurea Elastomers Offer Superior Performance", Utech '90, pp. 189-194, Apr. 1990, D. J. Primeaux, II.
"Technical Bulletin, Polyurea, Spray Formulations Based On Aliphatic Isocyanates and Chain Extenders", Texaco Chemical Company, 1990.
U.S. patent application Ser. No. 07/402,296 filed Sep. 5, 1989.
U.S. patent applicatin Ser. No. 07/479,015 filed Feb. 9, 1990.

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