|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||423/266 ; 423/396|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 12 인용 특허 : 0|
A phase-stable, oxidizer-grade zinc diammine complex stabilized ammonium nitrate that retains its phase-stability, has a minimum hygroscopicity and cure interference, is prepared by dissolving an anhydrous zinc diammine complex, which may be either the sulfate, perchlorate or nitrate, in dry molten ammonium nitrate. The complex is best prepared in a separate step by melting a 3/1 molar mixture of ammonium nitrate with zinc oxide which produces the zinc diammine dinitrate complex contaminated with the water of the reaction. The melt is dried by driving of...
A method of preparing zinc-phase-stabilized ammonium nitrate having an improved retention of phase-stability, reduced hygroscopicity, and minimal cure interference in polyurethane cure-systems, consisting of a) reacting zinc oxide by co-melting it with 3 to 4 times the molar quantity of ammonium nitrate, b) removing the water generated in said reaction by purging the melt with dry inert gas, followed by c) adjusting the ammonia content of the melt to 200 to 204 mole per cent with respect to the applied zinc oxide by passing dry ammonia gas into said melt...