| abstract |
A precursor composition for producing a general-purpose heat insulating material, which can be commonly used on different regions of a rocket motor requiring heat insulation, and is excellent in mechanical, thermal, ablation and electrostatic discharge characteristics, And a method of insulating the rocket motor. Before curing, ethylene propylene diene monomer (EPDM), filler containing silica and zinc oxide or silica and magnesium hydroxide, polymerized 1,2-dihydro-2,2,4-trimethylquinoline, solid chlorination A precursor composition comprising a crosslinking aid comprising at least one of paraffin, stearic acid, a five carbon petroleum-based hydrocarbon, trimethylolpropane trimethacrylate or a poly (butadiene) resin, and a peroxide, and the precursor composition A method of insulating a rocket motor, including a step of coating the rocket motor and curing to form a heat insulating material. [Selection figure] None |