Phenolic blast tube insulators for rocket motors

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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428288, 428323, 428327, 428331, 428403, 428408, 428902, 428903, 524594, 264176R, 602001, F16L 700, F16L 5902, D04H 158

Patent

active

045045321

ABSTRACT:
Phenolic insulators for blast tubes of rocket motors are disclosed. The insulators are rigid, low density bodies comprising 100 parts by weight crosslinked phenolic resin in which are dispersed finely divided inorganic particulate and fibrous reinforcement selected from carbon fiber, polyaramide pulp and combinations thereof. Compounding these rigid bodies is also disclosed, the compounding including forming a molding crumb containing the aforesaid ingredients.

REFERENCES:
patent: 4278584 (1981-07-01), Noguchi et al.
patent: 4345003 (1982-08-01), Matsushima et al.

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