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Capsulated explosive compositions
| Details |
Inventors: Inoue, Kazuhiro; Sato, Hiroshi; Matsui, Fumio;
Assignee: Nippon Oils and Fats Company Limited (Tokyo, JA)
Primary Examiner: Lechert, Jr.; Stephen J.
Assistant Examiner:
Attorney, Agent or Firm: Stevens, Davis, Miller & Mosher
A capsulated explosive composition comprising a high molecular weight compound forming the capsule wall and an explosive forming the core is high in power and low in sensitivity and vapor pressure, and can be easily handled. |
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DETAILED DESCRIPTION What is claimed is: 1.
A microencapsulated explosive composition consisting of a high molecular weight compound forming the capsule wall and at least one explosive liquid compound selected from the group consisting of glycerine trinitrate, glycerine dinitrate, ethylene glycol dinitrate, diethylene glycol dinitrate, triethylene glycol dinitrate, trimethylene glycol dinitrate, diglycerine tetranitrate, monochlorohydrin dinitrate, acetylglycerine dinitrate, 1,2,3-butanetriol trinitrate, 2-nitro-2-oxymethyl-1,3-propanediol trinitrate, 2-methyl-2- oxymethyl-1,3-propanediol trinitrate, nitrobenzene and tetranitromethane, forming the core.
2.
The explosive composition as claimed in claim 1, wherein said explosive consists of a gelatinized product of the explosive liquid compound with nitrocellulose.
3.
The explosive composition as claimed in claim 1, wherein the amount of said explosive is 80--95% by weight based on the total weight of the composition.
4.
The explosive composition as claimed in claim 1, wherein said high molecular compound is a thermosetting resin selected from the group consisting of polyurethane, polyurea and epoxy resin.
5.
The explosive composition as claimed in claim 1, wherein said high molecular compound is a thermoplastic resin selected from the group consisting of polystyrene and polyvinyl alcohol.
6.
The explosive composition of claim 1, wherein fine granular capsules thereof are of a size of about 300.
mu.
.
Description:
The present invention relates to micro-capsulated explosive compositions.
More particularly, the present invention relates to explosive compositions obtained by micro-capsulating explosive liquid compounds, such as glycerine trinitrate, ethylene glycol dinitrate and the like, or gelatinized products of these compounds with nitrocellulose with high molecular weight compounds, such as polyurethane, polyurea and the like.
It was difficult to use explosive liquid compounds alone, such as glycerine trinitrate, ethylene glycol dinitrate and the like, because they have a high power and a high sensitivity to impact and friction
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