Composite solid propellant containing FeOOH as burning rate modi

Details Composite solid propellant containing FeOOH as burning rate modi Composite solid propellant containing FeOOH as burning rate modi

1981-09-09

1984-01-03

Nelson, Peter A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 194, 149 199, 149 76, 149 83, 102285, 102289, 102292, C06B 4510

Patent

active

044240856

ABSTRACT:
The burning rate of a composite solid propellant comprising ammonium perchlorate and a fuel binder such as polysulfide, polyurethane or polybutadiene can remarkably be increased by the addition of a small amount of FeOOH. Considering the mechanical properties of the propellant, the maximum amount of FeOOH is preferably limited to 7 Wt % of the toatal of the fuel binder and ammonium perchlorate. It is possible to jointly use FeOOH and Fe.sub.2 O.sub.3 on condition that the weight ratio of FeOOH to Fe.sub.2 O.sub.3 is at least 10:90 and that the total weight of FeOOH and Fe.sub.2 O.sub.3 is in the range from 0.9 to 7% of the total weight of the fuel binder and ammonium perchlorate.

REFERENCES:
patent: 3834956 (1974-09-01), Mellow et al.
patent: 3933543 (1976-01-01), Madden
patent: 3954531 (1976-05-01), Comfort
patent: 4039361 (1977-08-01), Ray et al.
patent: 4114591 (1978-09-01), Nakagawa
patent: 4243443 (1981-01-01), Utracki

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