Insulating liner for solid rocket motor containing vulcanizable

Details Insulating liner for solid rocket motor containing vulcanizable Insulating liner for solid rocket motor containing vulcanizable

1989-07-17

1990-09-11

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523179, 428418, 428419, 4284231, 4284258, C08K 340, C08K 336, C08K 322

Patent

active

049563971

ABSTRACT:
An improved composition for an insulating liner, or insuliner, for a solid propellant rocket motor, which composition comprises a vulcanizable elastomeric composition comprising a vulcanizable elastomer and about 5 to 25 pph (parts by weight per 100 parts by weight of elastomer) of vulcanizing agents for the elastomer, about 10 to 20 pph of aramid polymer fibers, about 5 to 20 pph of a powder filler selected from the group consisting of silica, iron oxide, titanium dioxide, carbon, milled glass and ceramic clays, and about 10 to 25 pph of a bond promoter selected from the group consisting of treated cellulosic fiber and a multifunctional aromatic epoxy resin.

REFERENCES:
patent: 3347047 (1967-10-01), Hartz et al.
patent: 3421970 (1969-01-01), Daly et al.
patent: 4492779 (1985-01-01), Junior et al.
patent: 4514541 (1985-04-01), Frances
patent: 4600732 (1986-07-01), Junior et al.

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