Damage tolerant fiber-reinforced composites based on cyanate est

Details Damage tolerant fiber-reinforced composites based on cyanate est Damage tolerant fiber-reinforced composites based on cyanate est

1989-03-24

1990-06-05

Anderson, Harold D.

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...

523400, 523439, 523468, 524588, 524602, 524609, 524611, 525421, 525480, 525481, 525526, 525534, 525535, 525539, 528107, 528119, 528120, 528322, 528422, C08L 8700

Patent

active

049314963

ABSTRACT:
Fiber-reinforced compositions comprising a structural fiber and a cyanate ester resin formulation having an N-substituted urea compound as a latent cure accelerator provide rapid-curing prepreg with good out-time characteristics. The prepreg may be used to form composite articles with good toughness and excellent retention of properties on extended exposure to moisture at elevated temperatures. C

REFERENCES:
patent: 4804740 (1989-02-01), Gardner et al.

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