|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 11|
A low temperature and low humidity process of making a pyrotechnic composition useful as gunpowder, a propellant or an explosive. The composition comprises an organic acid such as ascorbic or erythorbic acid, a nitrate salt oxidizer, and about 6-15% of potassium perchlorate, and has reduced residue upon use.
A process for the preparation of a propellant and explosive composition which process comprises (1) forming an intimate admixture of finely fractured nitrate-containing oxidizing agent and finely fractured potassium perchlorate, and (2) blending the intimate admixture from step (1) with an organic acid or salt thereof until a uniform and homogeneous mixture is obtained, wherein steps (1) and (2) are carried out at a temperature of between 20°C. to -20°C. and at a relative humidity of less than 40%.