Polyurethane elastomers modified with hydrocarbon rubber

Details Polyurethane elastomers modified with hydrocarbon rubber Polyurethane elastomers modified with hydrocarbon rubber

1974-11-14

1976-09-14

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

156110R, 156123H, 156128T, 260859R, B29H 1722, C08L 700, C08L 7504

Patent

active

039805956

ABSTRACT:
There is provided a modified polyurethane elastomer composition characterized by the presence therein of a substantial proportion in the range of from 5% to 35% by weight of the urethane of a nonfunctional hydrocarbon rubber, together with a curing agent for the urethane and a separate and distinct curing agent for the hydrocarbon rubber. Principal purposes of the present invention include the production of high strength castable elastomers which are nonmelting under conditions of high shear.

REFERENCES:
patent: 3219633 (1965-11-01), Boussu et al.
patent: 3225007 (1965-12-01), Gruber et al.
patent: 3514499 (1970-05-01), Schollenberger et al.
patent: 3562355 (1971-02-01), Holden
patent: 3652468 (1972-03-01), Schwab et al.

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