Control of cure rate of polyurethane resin based propellants

Details Control of cure rate of polyurethane resin based propellants Control of cure rate of polyurethane resin based propellants

1976-11-11

1978-08-29

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 199, C06B 4510

Patent

active

041101359

ABSTRACT:
Curing catalysts comprising organo metallic compounds, and carboxylic acids or compounds convertible thereto, processes for their use and compositions containing them are disclosed. The compositions enable the control of the curing rate profile of hydroxy terminated polybutadiene based urethane propellant binders, and the cure rate profile of polyurethane resin systems generally.

REFERENCES:
patent: 3681272 (1972-08-01), Gloskey
patent: 3870578 (1975-03-01), Nichols
patent: 3919174 (1975-11-01), Taller
patent: 3953260 (1976-04-01), Braun et al.

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