Patent ID: 7704340
Filing Date: 2010-04-27
Classification: B01J,C06B

Abstract:
1. A method of making pelletized nitrocellulose (PNC), comprising the following sequence of steps: preparing a lacquer, the lacquer consists of nitrocellulose (NC), water, ethyl acetate and ethyl centralite, the NC including a nitrogen content of at least about 12.2%; heating, separately, the lacquer and an antisolvent after said preparing the lacquer; mixing the lacquer with the antisolvent to emulsify the lacquer and form PNC; drowning the PNC with the antisolvent for removing the ethyl centralite; separating the antisolvent and ethyl acetate from the PNC; washing as needed the PNC with at least alcohol, and removing the alcohol by heptane washing the PNC; and slurrying said PNC,