Polyurethane elastomers and a process for their production

Details Polyurethane elastomers and a process for their production Polyurethane elastomers and a process for their production

1977-10-25

1979-05-01

Cockeram, H. S.

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...

260465E, 260578, 528 63, C08G 1832, C08G 1865

Patent

active

041525108

ABSTRACT:
Novel polyurethane elastomers having excellent physical properties are prepared utilizing as chain extenders aromatic diamine compounds having the general formula ##STR1## wherein R is hydrogen, C.sub.1 to C.sub.4 alkyl, halogen, C.tbd.N, CF.sub.3 or SO.sub.2 --Z wherein Z is C.sub.1 to C.sub.4 alkyl, several of which diamine compounds are hitherto unknown in the art.

REFERENCES:
patent: 3036996 (1962-05-01), Kogon
patent: 3660326 (1972-05-01), Mallabar

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