Патент USA US2406573код для вставки
Patented Aug. 27, 1946 2,406,573 UNITED STATES‘ PATENT OFFICE 2,406,573 EXPLOSIVE AND PROCESS OF MAKING ''Walter W. Vogl, Omaha, Nebr., assignor to Ralph > E. Svoboda ‘No Drawing. Application August 17, 1942, 1 Serial No. 455,126 5 Claims. (01. 260-583) 1 of picric acid. The resulting product is princi The present invention relates to a novel ex plosive and to a process of making same, in which a part of the NH2 group of ethylene diamine is pally a reaction product in which one NH: group combined with perchloric acid and another part and the other NHz group is combined with picric 7 thereof is combined with a polynitroaromatic acid. This product is an explosive. of ‘the diamine is combined with perchloric acid compound. An important example of such being The resulting explosive is of greenish brown color and has a high velocity of detonation. the picric acid (trinitrophenol) compound other Example 2.--To 80 kg. of dry ethylene diamine monoperchlorate 121 kg. of trinitrocresol are compounds such as that of trinitrocresol and certain other bodies can be produced in a simi 10 added and the mixture slowly heated to 130° C. . ethylene diamine perchloratepicrate. Instead of lar manner. These explosives are suitable for use as burst The amounts of the two materials are sub ing charges in missiles, as boosters, for reinforced homologue of picric acid) reacts with the free stantially equimolar. The trinitrocresol (beinga detonators, detonating fuses, etc. amino group of the monoperchlorate in a manner Perchlorates of ethylene diamine and of cer 15 wholly analogous to the reaction of picric acid in tain related bodies, and methods of producing Example 1. the same, are discussed in my copending appli In my researches on this subject matter, I have cation Serial No. 397,968, ?led June 13, 1941. demonstrated that a perchlorate of ethylene di In the present invention, ethylene diamine amines, which still contains a reactive NHz group, perchlorate in which not all of the amino group 20 can be caused to react with numerous polynitro (basic nitrogenous group) present is joined to aromatic bodies of an acid nature, to form ex perchloric acid, is treated with trinitrophenol plosives which have highly useful properties. (picric acid) or a homologue, or other polynitro It will be understood that I do not restrict my aromatic bodies which contain a hydroxyl group. self to the use of such a proportion of perchloric 0r instead, certain other active groups may be 25 acid as will combine with exactly one NH: group. present in place of the hydroxyl group. Examples Nor do I restrict the invention to the speci?c ma of such other substances are sulfonic acids, diazo terials used. compounds, and polynitro-compounds of highly The. pre?x “poly” as employed herein is in acid character, etc. tended to include a plurality, and is not restricted Taking trinitrophenol as typical, this can act 30 to at least three. as an acid (it is commonly called picric acid) and being an acid of sufficient reactivity, it is I claim: 1. An explosive containing as its essential con capable of reacting with the amine (joining the ——NH2 group by addition). Hence, not all of the stituent a compound of ethylene diamine in which one amino group of the diamine is linked to per NH2 groups of the ethylene diamine are com bined with perchloric acid. 35 chloric acid and the second amino group is com Thus it is possible bined with a polynitroaromatic body of acid char- » to react one mole of perchloric acid with one acter. _ mole of ethylene diamine, forming ethylene di-' 2. An explosive containing as its essential con amine monoperchlorate, and to then react‘ this stituent a compound of ethylene diamine in which with one mole of picric acid or a homologue 40 one amino group is linked to perchloric acid and thereof. the other amino groupis combined with a trinitro To further explain the nature of the inven phenolic body of acid character. tion and to teach practical embodiments of the 3. An explosive containing as its essential con same, I give the following examples (to the de stituent a compound of ethylene diamine in which tails of which the invention is in no way re 45 one amino group is linked to perchloric acid and stricted). The parts are by weight. the other amino group is combined with picric Example 1.--20O parts of perchloric acid solu- , acid. tion (of 50% strength) are mixed with 60 parts 4. Ah explosive containing as its essential con of ethylene diamine. From the solution 80 parts stituent a compound of ethylene diamine in which of water are evaporated. This reaction gives 50 one amino group is linked to perchloric acid and ethylene diamine monoperchlorate, which still the other amino group is combined with trinitro contains one reactive NH2 group. To the concen cresol. ' - trated product, 285 parts of trinitrophenol, con 5. A process of producing an explosive which taining 15% of water, are added. The water con comprises reacting perchloric acid on ethylene tent of the reaction product is then evaporated 55 diamine, the amount of said perchloric acid being and the material dried at temperatures up to substantially less than the amount needed to com about 140° C., or at a lower temperature in a bine with all the NHz groups, and reacting upon vacuum. the product with a polynitroaromatic compound It will be observed that the ?gures given in this example correspond to 1 mole of the diamine, 1 60 mole of perchloric acid and slightly over 1 mole of an acid character. ' . ’WALTER W. VOGL.