COMPOSITE PYROTECHNIC PRODUCT WITH NON-CROSSLINKED BINDER AND METHOD FOR PREPARING SAME
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United States of America Patent
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Oct 6, 2016
app pub date -
Nov 21, 2014
filing date -
Nov 22, 2013
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Abstract
A composite pyrotechnic product, especially a propellant powder for barrel weapons, has a composition, expressed as weight percentages, that contains from 78% to 90% of organic energetic charges, and from 10% to 22% of a polymeric gum, chosen from polyurethane-polyester gums, polyurethane-polyether gums and mixtures thereof, the number-average molecular weight of which is greater than 20 000 g/mol and the Mooney viscosity of which is between 20 and 70 ML (5+4) at 100° C.
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