Polynorbornenes cured with isocyanates and optionally with polyo

Details Polynorbornenes cured with isocyanates and optionally with polyo Polynorbornenes cured with isocyanates and optionally with polyo

1981-08-07

1984-03-13

Bleutge, John C.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524314, 524553, 525123, 525127, 525131, 525 5426, C08K 512, C08K 501, C08K 511, C08F 830

Patent

active

044368593

ABSTRACT:
Polynorbornenes are cured with isocyanates optionally in the presence of polyols to yield elastomeric products having improved mechanical properties, particularly improved compression moduli and residual set while retaining the desired rebound elasticity values.

REFERENCES:
patent: 3277036 (1966-10-01), Whitworth et al.
patent: 3336275 (1967-08-01), Michelohi
patent: 3367924 (1968-02-01), Rinehart
patent: 3557072 (1971-01-01), Vergne et al.
patent: 3676390 (1972-07-01), Vergne et al.
patent: 3752699 (1973-08-01), Harrell et al.
patent: 4020021 (1977-04-01), Lahouste et al.
patent: 4045462 (1977-08-01), Bock et al.
patent: 4137210 (1979-01-01), Stein et al.

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