Extension of pot life of HTPB composite propellants by phosphine

Details Extension of pot life of HTPB composite propellants by phosphine Extension of pot life of HTPB composite propellants by phosphine

1974-02-04

1976-08-10

Engle, Samuel W.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

149 194, 149 199, 149 20, 149113, C06B 4534, C06B 4510, C06B 4508

Patent

active

039740048

ABSTRACT:
Trioctylphosphine oxide and tributylphosphine oxide are representative of e phosphine oxide compounds which are utilized in isocyanate curable composite propellant compositions to extend usable pot life required for mixing and processing of the specified compositions. The compositions are comprised of a binder of hydroxy terminated liquid polymer systems, (e.g. hydroxy terminated polybutadiene and the like) optional selected plasticizers, optional metal fuel, and the inorganic oxidizer, ammonium perchlorate, that is substantially of very fine particle size (less than 20 microns).

REFERENCES:
patent: 3087844 (1963-04-01), Hudson
patent: 3418184 (1968-12-01), Vetter
patent: 3477988 (1969-11-01), Ostrozynski
patent: 3585090 (1971-06-01), Sayles
patent: 3640898 (1972-02-01), Su
patent: 3692600 (1972-09-01), Sayles
patent: 3745074 (1973-07-01), Allen
patent: 3762972 (1973-10-01), Allen
patent: 3791888 (1974-02-01), Hudson
patent: 3830672 (1974-08-01), Lista
patent: 3847882 (1974-11-01), Baldwin

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