Polymer with ethylenic unsaturations incorporating silylmetalloc

Details Polymer with ethylenic unsaturations incorporating silylmetalloc Polymer with ethylenic unsaturations incorporating silylmetalloc

1986-06-27

1987-05-26

Schofer, Joseph L.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 1991, 525342, C06B 4510

Patent

active

046683135

ABSTRACT:
The invention relates to a polymer with ethylenic unsaturations incorporating silylmetallocene groups, a process for the manufacture of these polymers and a propellant composition having the polymer of the invention as a binder.
The polymer of the invention incorporates ethylenic unsaturations, to at least some of which there are added silylmetallocene groups of formula ##STR1## in which M denotes a transition metal such as, for example, iron, the radicals R.sub.1, R.sub.2 and R.sub.3 being hydrocarbon radicals. The polymer may be a hydroxytelechelic or carboxytelechelic polybutadiene. This modified polymer is employed as a binder in composite propellant compositions, thus making it possible to solve the problem related to the migration of the combustion catalyst.
The invention has application particularly in the field of solid propulsion.

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