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    • 5. 发明授权
    • Process for the preparation of 1,3,5-trifluoro-2,4,6-trinitrobenzene
    • 制备1,3,5-三氟-2,4,6-三硝基苯的方法
    • US4173591A
    • 1979-11-06
    • US937281
    • 1978-08-28
    • William M. KoppesHorst G. AdolphMichael E. Sitzmann
    • William M. KoppesHorst G. AdolphMichael E. Sitzmann
    • C07C205/12C07C79/12
    • C07C201/08
    • A process for producing 1,3,5-trifluoro-2,4,6-trinitrobenzene by:(1) forming a mixture of fuming sulfuric acid and potassium nitrate wherein the fuming sulfuric acid is composed of at least 25 percent by weight sulfur trioxide, and wherein the molar ratio of fuming sulfuric acid to potassium nitrate is from about 2:1 to about 3:1;(2) adding 1,3,5-trifluorobenzene to the mixture until the molar ratio of potassium nitrate to 1,3,5-trifluorobenzene is from 6:1 to 10:1, the temperature of the mixture being maintained in the range of from about 30.degree. C. to about 50.degree. C. during the addition;(3) then raising the temperature of the mixture into the range of from about 140.degree. C. to about 160.degree. C. where it is maintained until the optimum yield of 1,3,5-trifluoro-2,4,6-trinitrobenzene has been obtained; and(4) isolating the product, 1,3,5-trifluoro-2,4,6-trinitrobenzene from the reaction mixture.
    • 通过以下方法制备1,3,5-三氟-2,4,6-三硝基苯的方法:(1)形成发烟硫酸和硝酸钾的混合物,其中发烟硫酸由至少25重量%的三氧化硫 ,其中发烟硫酸与硝酸钾的摩尔比为约2:1至约3:1; (2)向混合物中加入1,3,5-三氟苯直到硝酸钾与1,3,5-三氟苯的摩尔比为6:1至10:1,混合物的温度保持在 在加入期间约30℃至约50℃; (3)然后将混合物的温度升至约140℃至约160℃的范围,在此保持直到1,3,5-三氟-2,4,6-三硝基苯的最佳产率 已经获得; 和(4)从反应混合物中分离产物1,3,5-三氟-2,4,6-三硝基苯。
    • 7. 发明授权
    • Energetic binders for plastic bonded explosives
    • 塑料粘结炸药的能量粘合剂
    • US4988397A
    • 1991-01-29
    • US892622
    • 1986-04-30
    • Horst G. AdolphJudah GoldwasserG. William Lawrence
    • Horst G. AdolphJudah GoldwasserG. William Lawrence
    • C06B45/10C08G2/18C08G18/56
    • C08G2/18C06B45/105C08G18/56
    • An energetic uncured binder composite mixture comprising(1) a hydroxy-terminated polyfluoroformal prepolymer of the general formulaHOCH.sub.2 (CF.sub.2).sub.n CH.sub.2 [OCH.sub.2 OCH.sub.2 (CF.sub.2).sub.nH.sub.2 ].sub.m OH wherein n is 3 or 4 and m is selected to provide a number average molecular weight of from about 1,000 to about 10,000 for the prepolymer; and(2) an energetic plasticizer which isbis(2,2-dinitropropyl)formal,bis(2,2-trinitroethyl)formal,bis(2-fluoro-2,2-dinitroethyl)formal,bis(2,2-difluoro-2-nitroethyl)formal,2,2-dinitropropyl 2-fluoro-2,2-dinitroethyl formal, or mixtures thereof;wherein the weight ratio of energetic plasticizer to prepolymer is from about 2:1 to about 5:1. This binder composite mixture is useful for preparing energetic plastic bonded explosives having high chemical and thermal stabilities.
    • 一种能量未固化的粘合剂复合材料混合物,其包含(1)通式为HOCH 2(CF 2)n CH 2 [OCH 2 OCH 2(CF 2)n CH 2] m OH的羟基封端的多氟代预聚物,其中n为3或4并且m被选择以提供数均分子量 对于预聚物为约1,000至约10,000; 和(2)能量增塑剂,其为双(2,2-二硝基丙基)甲醛,双(2,2-三硝基乙基)甲醛,双(2-氟-2,2-二硝基乙基)甲醛,双(2,2-二氟 -2-硝基乙基)甲醛,2,2-二硝基丙基2-氟-2,2-二硝基乙基甲醛或其混合物; 其中能量增塑剂与预聚物的重量比为约2:1至约5:1。 该粘合剂复合混合物可用于制备具有高化学和热稳定性的高能塑料粘结炸药。