Elastomeric insulating materials for rocket motors

Details Elastomeric insulating materials for rocket motors Elastomeric insulating materials for rocket motors

1983-02-03

1985-02-26

Ives, P.

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...

524409, 524567, 524574, 524590, 524586, 428 36, 428521, 4284255, 4284256, 428451, 4284777, 4284769, 428403, C08L 2100, F42B 916, F02K 934

Patent

active

045018413

ABSTRACT:
Non-asbestos elastomeric insulating materials for rocket motors are disclosed. The insulating materials are low in density (between about 0.035 and 0.050 lb./cubic inch) and comprise 100 parts by weight of a crosslinked elastomer polymer in which are dispersed between about 10 and 100 (preferably 15-75) parts by weight of a char forming organic fiber selected from polyaramide pulps and between about 5 and 75 parts by weight inorganic particulate. The insulating materials issue little smoke, have notable erosion resistance and can be tailored to have thermal, mechanical and other properties of desired character. Ingredients such as phenolics, flame retardants, and liquid polybutadiene can enhance the utility of the insulating materials in certain embodiments.

REFERENCES:
patent: 3524794 (1970-08-01), Jonnes et al.

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