[특허]Phase-stabilized ammonium nitrate

[미국특허] Phase-stabilized ammonium nitrate 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	D03D-023/00 C06B-031/28
출원번호	US-0354278 (2003-01-30)
발명자 / 주소	Hamilton, Brian K.
출원인 / 주소	Autoliv ASP, Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 51

초록 ▼

Ammonium nitrate is phase-stabilized by a synergistic phase stabilization additive combination of at least cupric oxide and potassium nitrate. Specifically, phase-stabilized ammonium nitrate contains between about 94.0 and about 96.0 wt. % ammonium nitrate and between about 4 and 6 wt. % of a synergistic phase stabilization additive combination of at least cupric oxide and potassium nitrate, wherein the cupric oxide is present in a relative amount of no more than about 2.0 wt. %. In some cases, additional stability is imparted by the inclusion of zinc oxide such as in a relative amount of no more than about 1.5 wt. %.

대표청구항 ▼

1. In a method of phase-stabilizing ammonium nitrate, the improvement comprising adding a phase stabilization additive combination of at least CuO and KNO3 to ammonium nitrate to form a phase stabilized ammonium nitrate composition containing between about 94 and about 96 wt. % ammonium nitrate and between about 4 and 6 wt. % of the phase stabilization additive combination, wherein the CuO is present in a relative amount of no more than about 2.0 wt. %, the weight percentages being calculated with the total of the ammonium nitrate and the phase stabilization additive combination equaling 100 wt. %.2. The method of claim 1 wherein the phase stabilization additive combination additionally comprises ZnO.3. The method of claim 2 wherein the ZnO is present in the composition in a relative amount of no more than about 1.5 wt. %.4. The method of claim 2 wherein the ZnO is present in the composition in a relative amount of between about 0.75 and 1.2 wt. %.5. A phase stabilized ammonium nitrate composition made by the method of claim 1.6. A gas generant composition comprising a fuel material and the phase-stabilized ammonium nitrate composition of claim 5.7. A phase stabilized ammonium nitrate composition made by the method of claim 2.8. A gas generant composition comprising a fuel material and the phase-stabilized ammonium nitrate composition of claim 7.9. A phase stabilized ammonium nitrate composition made by the method of claim 3.10. A gas generant composition comprising a fuel material and the phase-stabilized ammonium nitrate composition of claim 9.11. A phase stabilized ammonium nitrate composition made by the method of claim 4.12. A gas generant composition comprising a fuel material and the phase-stabilized ammonium nitrate composition of claim 11.13. In a method of phase-stabilizing ammonium nitrate, the improvement comprising:adding a phase stabilization additive combination of CuO and KNO3 and up to about 1.5 wt. % ZnO to ammonium nitrate to form a phase-stabilizing ammonium nitrate composition containing between about 94 and about 96 wt. % ammonium nitrate and between about 4 and 6 wt. % of the phase stabilization additive combination, wherein the CuO is present in a relative amount of no more than about 2.0 wt. %, the weight percentages being calculated with the total of the ammonium nitrate and the phase stabilization additive combination equaling 100 wt. %. 14. The method of claim 13 wherein the ZnO is present in the composition in a relative amount of between about 0.75 and 1.2 wt. %.15. In a method of phase-stabilizing ammonium nitrate, the improvement comprising adding a phase stabilization additive combination, consisting essentially of CuO and KNO3, to ammonium nitrate to form a phase stabilized ammonium nitrate composition containing between about 94 and about 96 wt. % ammonium nitrate and between about 4 and 6 wt. % of the phase stabilization additive combination, wherein the CuO is present in a relative amount of no more than about 2.0 wt. %, the weight percentages being calculated with the total of the ammonium nitrate and the phase stabilization additive combination equaling 100 wt. %.

이 특허에 인용된 특허 (51) 인용/피인용 타임라인 분석

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[미국특허] Phase-stabilized ammonium nitrate 원문보기

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