Method for Bonding a Rocket Motor Liner to a Solid Rocket Propellant Grain

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Method for Bonding a Rocket Motor Liner to a Solid Rocket Propellant Grain

Method for Bonding a Rocket Motor Liner to a Solid Rocket Propellant Grain

G. F. Sieg / H. W. Gerrish / J. D. Braun / M. F. Pickett

This invention pertains to a solid rocket propellant grain which contains hydroxyl terminated polybutadiene and is bonded to a rocket motor liner which contains carboxy terminated polybutadiene. This is done by carrying out the following sequence of steps: First, the liner is cast and cured; then the liner is coated with a solution of a bromine terminated phenol-formaldehyde copolymer which uses normal hexane as the solvent; next, the coat is allowed to dry for from about 15 to about 30 minutes; finally, the propellant grain is cast and cured.

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Title :

Method for Bonding a Rocket Motor Liner to a Solid Rocket Propellant Grain

Contributors:

G. F. Sieg (author) / H. W. Gerrish (author) / J. D. Braun (author) / M. F. Pickett (author)

Publication date :

1971

Size :

3 pages

Type of media :

Report

Type of material :

No indication

Language :

English

Keywords :

Crosslinking(Chemistry) , Rocket propellant grains , Patents , Polybutadiene , PAT-CL-264-3 , Solid rocket propellants , Casting , Polymer Chemistry , Hydroxy terminated polybutadiene , Chemistry , Curing , Binders , Dienes , Rocket motor liners , Carboxy terminated polybutadiene

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