Patent ID: 6606852
Filing Date: 2003-08-19
Classification: C08K,F02K,F05D

Abstract:
A rocket motor assembly comprising:a case having a combustion chamber; a nozzle in operative relationship with the case; at least one solid propellant loaded in the combustion chamber of the case; and an elastomeric rocket motor insulation interposed between the case and the at least one solid propellant, the elastomeric rocket motor insulation comprising: at least one ethylene-propylene-diene monomer (EPDM) rubber, the EPDM rubber being formed from an EPDM polymer cured with at least one peroxide curative and at least one curative coagent, the at least one curative coagent comprising a polyfunctional metal salt for forming organometallic cross-link bonds in the EPDM rubber; and filler comprising at least one member selected from the group consisting of silica particles and silicate particles, the filler being treated with at least one hydrophobic surface agent.