Crosslinked double base propellant binders

Details Crosslinked double base propellant binders Crosslinked double base propellant binders

1978-05-30

1980-11-18

Miller, Edward A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 198, 149 20, 149100, C06B 4510

Patent

active

042343640

ABSTRACT:
A crosslinked binder for crosslinked double base propellant is provided. The binder is prepared from nitrocellulose having a nitrogen content of 11 to 13.4% N and an intrinsic viscosity of 0.55 dl./gram to 2.0 dl./gram, a polymeric diol having a hydroxyl functionality of 1.9 to 2.1 and a polyfunctional isocyanate having an NCO functionality of at least three. The propellant prepared from the binder exhibits improved mechanical properties without detriment to ballistic performance.

REFERENCES:
patent: 3354010 (1967-11-01), Hopper
patent: 3554820 (1971-01-01), Evans
patent: 3711344 (1973-01-01), Pierce
patent: 3716604 (1973-02-01), Dehm
patent: 3798090 (1974-03-01), Allabashi
patent: 3894894 (1975-07-01), Elrick
patent: 3956890 (1976-05-01), Davis
patent: 4011114 (1977-03-01), Allabashi
patent: 4014720 (1977-03-01), Wells
patent: 4038115 (1977-07-01), Dehm
patent: 4907619 (1975-09-01), Elrick

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