US1620715A - Explosive composition - Google Patents

Description

Patented ar. 15,1927.

i QFFICE FRANK H. BEBGEIM, OE WOODBURY, NEW JERSEY, ASSIGNOR TO'E. I. DU POINT DE NEMOURS & COMPANY, OF WILMINGTON, DELAWARE, A CORPORATION OF DELA- WARE.

EXPLOSIVE contro'srrron.

No Drawing. Original application filed June 18,1926, Serial No. 116,977. Divided and this application filed September ,9, 1926. Serial No. 134,583.' i

My invention relates particularly to compositions containing an explosive having one or more triazo groups and one or more nitrate groups, to compositions containing an explosive in which a hydrocarbon has attached thereto one or more of each of said groups. p

a This application is a division of my copending application upon triazo nitrate explosives and process of producing the same, Serial No. 116,977, filed June 18,1926.

The object of my invention is to provide an explosive composition containing a new type of explosive of the above character combining in part the explosive groupings of two well-known high explosives, lead azide and nitroglycerine. Theobject of my invention is particularly to provide compositions containing an explosive of this type in which one or more triazo A N GH CH ONO I an explosive having greater strength and sensitiveness than nitroglycerine. I

While my'i'nvention is'capable of being carried out in many difierent ways I shall describe only certain ways of carrying out the same'lrereinafter.

The triazo nitrates as'above referred to may be made in any desired way but, for example. they may be made by'treating a triazo alcohol with mixed acids. For instance, triazo-ethanol N,CH CH OH, the explosive obtained therefrom will be triazo-ethanolnitrate N GH CH ONO the structural formula of which is Again, in case a triazo polyhydric alcohol, as, for example, a triazo glycol, ismtrated,

but it has relation especially a in water.

considerably if the triazo alcohol to be "treated isdifferent kinds of alcohols may be so treated in order to obtain the corresponding triazo nitrates. In general, it will bebe prepared from the corresponding halohydrins by any of the known methods of're-' placing the halogen by the triazo group,- as, for exam'le, as described'by Forster and Fierz. in 1 Chem. Soc. (1908) 93-1865, re-- lating to the treatment of ethylene chlorohydrin with sodium azide.

In carrying out my invention, the explosives for use in compositions made in accordance with my invention may be made in any suitable way but, for example, in the preparation of tria zo-ethanol-nitrate I may add one part by weight of triazo ethanol to two parts by weight. of mixed acids comprising approximately 40% nitric acid and 60% sulphuric acid, either in the absence of nitrate formed collects on the surface of the waste acid and-may be drawn oii therefrom and washed repeatedly until neutral, with such as a 5%,solution of sodium carbonate The triazo' -ethan'ol-nitrate ob tained is a colorless, neutral mobile 'oil having a specific gravity of about 1.3." It has greater sensitiveness to mechanical hock than nitroglycerine. as shown by the drop Weight method: Furthan nitroglycerine, as shown by the ballistic mortar test. r

, The triazo-ethanohnitrate as prepared I the aid of a weakly alkaline water solution thermore, ithas a somewhat greater strength above is :a high explosive in itself and may beused in any desired type of explosive composition, for example, in combination with the usual ingredients of dynamite to make a dynamite of great strength and sensitiveness. I

It may be used in adynamite comprising nitroglycerine" orits equivalentfi with tetratinitrodiglycerine, nitro sugars or as, for example, mixtures of nitroglycerine r nitroglycol. The following composition may be cited as a specific example of a dynamite in which the new explosive may be used:

Parts by weight.

Triazo-ethanol-nitrate 15 Glycerine trinitrate 15 Sodium nitrate 57 fWood meal 12 Cha1k 1 compound containing a triazo group and a nitrate group.

It is also to be understood that any of the triazo nitrate explosives may be used in accordance with my invention as a substitute for nitroglycerine in any of the explosive compositions in which the latter is used, as, for example, in any ofthe known dynamite compositions. For example, such explosives.

other mineral fillers may be used instead of or together with the chalk ferred to.

It is to be understood, however, that in all the above compositions the proportions hereinabove remay vary widely as to each and all of the ingredients, according to the particular uses to which the explosive is to be applied.

While I have described my invention above in detail I Wish it to be understood that many changes may be made therein without departing from the spirit of the same.

I claim: 4

1. An explosive composition containing a compound .having therein a triazo group and a nitrate group.

' 2.. An explosive composition containing a compound comprising a hydrocarbon ester having therein a triazo group and a nitrate group. p

3. An explosive composition containing a compound comprising an aliphatic hydrocarboncster having therein a triazo group and a nitrate group.

4. An explosive composition containing a compound comprising an aliphatic hydrocarbonester having therein a triazo group and a nitrate group, said groups being each attached to different carbon atoms therein 5. A dynamitehaving therein an explosive 6. A dynamite having therein an explosive compound containing and a nitrate September, v1926.

sive compound comprising an aliphatic hydrocarbon ester containing a triazo group and a nitrate group.

8. A dynamite having therein an explosive compound comprising an aliphatic hydrocarbon ester containing a triazo group and a nitrate group, said groups being each at tached to diiferent carbon atoms therein.

9. A dynamite having therein an explosive compound containing a triazo group and a nitrate group, and'an absorbent. 10. A dynamite having therein an explosive compound containing a triazo group and a nitrate group, an absorbent, .and an oxidizing agent.

11. A dynamite having therein an exploa triazo group and-a nitrate. group, wood meal, and sodium nitrate.

12. A dynamite having therein an explosive compound comprising a hydrocarbon ester containing a triazo group and a nitrate group, and an absorbent.

13. A dynamite having therein an explo-' sive compound comprising a hydrocarbon ester containing a triazo group and a nitrate group, an absorbent, and an oxidizing agent. w

14. A dynamite having therein an explosive compound comprising a hydrocarbon ester containing abtriazo group and a nitrate group, wood meal, and sodium nitrate.

15. A dynamite having therein an explosive compound comprising an aliphatic hydrocarbon ester containing a trlazo group and a nitrate group, and an absorbent.

16. A-dynainite having therein an explosive compound comprising an aliphatic hydrocarbon ester containing a triazo group and a nitrate group, an' absorbent, and an oxidizing agent/ v 17. A dynamitehaving therein an explosive compound comprising analiphatic hydrocarbon ester containing a triazo group nitrate.

18. A dynamite having therein an explosive compound comprising triazo-ethanolnitrate, and an ;absorbent. I

19. A dynamite having therein an explosive compound comprislng triazo-ethanolnitrate, anabsorbent, and an oxidizing agent.

20. A dynamite having therein an explosive compound comprising triazo-ethanol- .nitrate, wood meal, and sodium nitrate.

In testimony that I claim the foregoing, I have hereunto set my hand this 2nd day of FRANK H. BERGEIM.

group, wood meal, and sodium