Preparation of sprayable aliphatic polyurea elastomers having im

Details Preparation of sprayable aliphatic polyurea elastomers having im Preparation of sprayable aliphatic polyurea elastomers having im

1995-12-27

1997-04-01

Acquah, Samuel A.

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 73, 528 76, 528 78, 528 85, 521163, 521164, 521170, 521174, C08G 1832

Patent

active

056166770

ABSTRACT:
This invention discloses an aliphatic spray polyurea elastomer comprising an (A) component that includes an aliphatic isocyanate and a (B) component that includes (1) an amine-terminated polyoxyalkylene polyol and (2) a cycloaliphatic diamine chain extender, wherein between about 20% to about 80% of the primary amines have been converted into secondary amines.

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Rowton, R.L, "Cyanoethylated Polyoxypropylenepolyamines: Polymer Formers of Unique Reactivity," Journal of Elastomers and Plastics, vol. 9 (Oct. 1977), pp. 365-375.

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