초록

A rocket motor is described in which a thin layer of metallic foil or the like is used between a silicone rubber insulator and an isocyanate cured, hydroxy terminated polybutadiene bound propellant grain to prevent migration of isocyanate into the silicone rubber liner.

대표청구항 ▼

A rocket motor containing a layer of silicone rubber adjacent to the inner wall of the combustion chamber and bonded thereto, a layer of lowly exothermic metal adjacent to the inner wall of the silicone rubber layer and bonded thereto and a solid rocket propellant grain inside of and adjacent to the

A rocket motor containing a layer of silicone rubber adjacent to the inner wall of the combustion chamber and bonded thereto, a layer of lowly exothermic metal adjacent to the inner wall of the silicone rubber layer and bonded thereto and a solid rocket propellant grain inside of and adjacent to the inner wall of the metal layer and bonded thereto, the solid propellant grain containing a binder of isocyanate cured hydroxy terminated polybutadiene.