Method for binding solid propellant to rocket motor case

Details Method for binding solid propellant to rocket motor case Method for binding solid propellant to rocket motor case

1973-10-12

1976-03-09

Lechert, Jr., Stephen J.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

Rolling to form sheet or rod

149 199, 149 1992, 102103, C06B 2100

Patent

active

039432084

ABSTRACT:
A method of bonding a solid rocket propellant to a motor casing using a flexible sheet insulant. The flexible sheet insulant is easily installed without intermediate adhesive on the metal or propellant side, retains its self-adhesive properties for long periods when stored at temperatures lower than 40.degree.F before installation and has improved resistance to erosion. The flexible sheet insulant comprises an elastomeric polymer binder in particular a carboxyl-terminated polybutadiene having dispersed therein from 50-80% preferably 65-75% by weight of a siliceous filler reinforcing material at least 50% of which is in the form of fibers. Preferably the filler consists of 50 to 80% asbestos fibers and 20% to 50% asbestos floats.

REFERENCES:
patent: 3347047 (1967-10-01), Hartz et al.
patent: 3507114 (1970-04-01), Webb
patent: 3734982 (1973-05-01), Sampson

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