Method for the production of an inhibitor coating for a solid ro

Details Method for the production of an inhibitor coating for a solid ro Method for the production of an inhibitor coating for a solid ro

1976-03-29

1977-05-03

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

Rolling to form sheet or rod

264 3R, 149 194, 149 2, C06B 2100

Patent

active

040215148

ABSTRACT:
A method of producing an inhibitor coating for a solid propellent charge for protecting against undesired burning-off, the inhibitor coating containing an insulating layer composed of a binder and a filler, a protective- and adhesion layer located between the insulating layer and the propellent charge. The binder consists of a castable mass which has poor smoke developing properties, the filler of a fine granular cooling agent possessing good packability, the protective- and adhesion layer of a completely set or cured polyisocyanate forming a barrier against plasticizer migration. For the insulating layer there is initially admixed a pre-adduct with the cooling agent, and subsequently adding an aromatic diamine, an aliphatic plasticizer or an aliphatic polyol.

REFERENCES:
patent: 3144830 (1964-08-01), DeFries et al.
patent: 3447980 (1969-06-01), Voigt
patent: 3529042 (1970-09-01), Lippert
patent: 3554820 (1971-01-01), Evans
patent: 3682727 (1972-08-01), Heinzelmann et al.
patent: 3714047 (1973-01-01), Marion et al.
patent: 3716604 (1973-02-01), Dehm
patent: 3734982 (1973-05-01), Sampson
patent: 3813308 (1974-05-01), Skidmore
patent: 3855176 (1974-12-01), Skidmore

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