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The Characteristics and its Development Trends of Thermoplastic Propellants  

Kim, Kyung-Moo ((주)LIG넥스원 연구개발본부 PGM센터)
Kim, In-Chul ((주)풍산 개발실)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.15, no.3, 2011 , pp. 47-57 More about this Journal
Abstract
All solid rocket propellants are divided in two basic classes according to chemical state: homogeneous(double base) and heterogeneous (composite). Today, composite propellants are extensively used as power sources covering the range from gas generators and small rocket systems to large launch vehicles in space programs. The development of composite rocket propellants in the past was mainly directed to thermoset polymers. But, the thermoset composite propellants have the complication in formulation and fabricating process to adapt to rocket system requirements. In contrast to the thermoset propellant, the PVC plastisols composite propellants have the advantages in the view of loss in manufacturing process, low cost of raw material, and stability of the handling process even though moderate ballistic and mechanical properties. It is predicted that the application field of this class will be used more widely than any other classes.
Keywords
Thermo-Plastic Composite Propellant; Thermo Plastic Propellant; Thermo-set Propellant; Double Base Propellant; Composite Propellant; Viscosity; Casting; Extrusion;
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