Research/Patents/US 4492779
US 4492779

ARAMID POLYMER AND POWDER FILLER REINFORCED ELASTOMERIC COMPOSITION FOR USE AS A ROCKET MOTOR INSULATION

Assignee

THIOKOL CORPORATION

Filed

Dec 7, 1981

Granted

Jan 8, 1985

Location

MADISON AL US

Abstract

An elastomeric composition suitable for use as a rocket motor case insulation is disclosed. The composition consists of a vulcanizable elastomeric composition and reinforcing aramid polymer fibers in combination with a powder filler. A preferred embodiment utilizes polyisoprene as the elastomer, KELVAR TM fibers as the aramid polymer fibers, and silica as the powder filler.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 18, 1982

Rescinded

Jun 15, 1982

Duration

28 days

Inventor

  • 1KENNETH E. JUNIOR

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records