US2908560A - Non-caking water-resistant explosive of the ammonium nitrate type - Google Patents
Non-caking water-resistant explosive of the ammonium nitrate type Download PDFInfo
- Publication number
- US2908560A US2908560A US422973A US42297354A US2908560A US 2908560 A US2908560 A US 2908560A US 422973 A US422973 A US 422973A US 42297354 A US42297354 A US 42297354A US 2908560 A US2908560 A US 2908560A
- Authority
- US
- United States
- Prior art keywords
- ammonium nitrate
- explosive
- caking
- explosives
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002360 explosive Substances 0.000 title claims description 36
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 title claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 3
- 239000000203 mixture Substances 0.000 claims description 12
- AGUIVNYEYSCPNI-UHFFFAOYSA-N N-methyl-N-picrylnitramine Chemical compound [O-][N+](=O)N(C)C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O AGUIVNYEYSCPNI-UHFFFAOYSA-N 0.000 claims description 9
- SPSSULHKWOKEEL-UHFFFAOYSA-N 2,4,6-trinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O SPSSULHKWOKEEL-UHFFFAOYSA-N 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 claims description 3
- 239000000015 trinitrotoluene Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims 1
- -1 aromatic nitro-compounds Chemical class 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- VLZLOWPYUQHHCG-UHFFFAOYSA-N nitromethylbenzene Chemical compound [O-][N+](=O)CC1=CC=CC=C1 VLZLOWPYUQHHCG-UHFFFAOYSA-N 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910001963 alkali metal nitrate Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B31/00—Compositions containing an inorganic nitrogen-oxygen salt
- C06B31/28—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
- C06B31/32—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with a nitrated organic compound
- C06B31/38—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with a nitrated organic compound the nitrated compound being an aromatic
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/18—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component
- C06B45/30—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component
- C06B45/32—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component the coating containing an organic compound
- C06B45/34—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component the coating containing an organic compound the compound being an organic explosive or an organic thermic component
Definitions
- the present invention relates to ammonium nitrate type explosives.
- a non-caking, pulverized ammonium nitrate type explosive containing ammonium nitrate and a second explosive component, having a high water resistance, and characterized in that materials which are surface-active With respect to one of the components of said explosive and which may themselves be explosives or highly polymeric materials are added to one of the said components forming said explosive.
- Aromatic nitro-compounds such as diand trinitrotoluene are preferably used for the second explosive component.
- a surface-active additive such as tetryl is added, preferably -to the aromatic nitro-compound before or during the hot working-up into the explosive.
- the explosive data are not substantially varied and the explosives exhibit a very good non-caking character, while at the same Patented Oct. 13, 1959 time the resistance to moisture is increased.
- The-noncaking property may be further improved in a known manner by a suitable configuration of the crystals and/or by treatment of the surface of the conglomerates with a lubricant.
- This process is not limited, to ammonium nitrate explosives, but is also applicable to explosives containing other crystalline components and/ or other aromatic nitrocompounds.
- Example TWo identical explosives are prepared by the same working-up method, these explosives difiering only in that in one of them 1% of tetryl is dissolved in the liquid diand trinitrotoluenes.
- the explosive has the following composition:
- the explosives are mixed at a temperature of ,80" C. They have the following properties:
- the explosive containing the tetryl additive is distinguished primarily by a different structure, which is clearly shown by microscopic examination. While the explosive having no tetryl additive consists of angular and sword-shaped particles or conglomerates, in which the ammonium nitrate crystals lie mainly on the surface and the nitrotoluenes more in the interior, the explosive containing the tetryl additive consists of rounded particles in which the nitrotoluenes are situated on the surface and the ammonium nitrate crystals are incorporated within the conglomerate. The smaller angle of repose of the explosive having the additive clearly shows the heightened non-caking property thereof.
- a non-caking, pulverized explosive having a high water-resistance and including a composition comprising 16% of a mixture of diand tri-nitrotoluene, in any proportions, 81.7% of ammonium nitrate, 2% of wood meal, 0.1% of argillaceous earth, 0.2% of a dyestufi and 1% of tetryl based on said composition.
- a non-caking explosive composition having a high Water-resistance, containing pulverized ammonium nitrate as one of its explosive components, an organic sensitisi-ng agent selected from the group consisting of diand trinitrotoluenes as its other explosive component, and tetryl, in which the tetryl is present in said composition in a proportion of up to 1% by weight based on said composition.
- An explosive composition according to claim 2 in which at least part of the ammonium nitrate content of said composition is replaced by at least one alkali metal nitrate.
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE781072X | 1953-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2908560A true US2908560A (en) | 1959-10-13 |
Family
ID=6690348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US422973A Expired - Lifetime US2908560A (en) | 1953-04-13 | 1954-04-13 | Non-caking water-resistant explosive of the ammonium nitrate type |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2908560A (enrdf_load_stackoverflow) |
| BE (1) | BE525022A (enrdf_load_stackoverflow) |
| FR (1) | FR1090329A (enrdf_load_stackoverflow) |
| GB (1) | GB781072A (enrdf_load_stackoverflow) |
| NL (2) | NL90637C (enrdf_load_stackoverflow) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1045012A (en) * | 1911-02-04 | 1912-11-19 | Bernhard Jacques Fluerscheim | Explosive. |
| US1617182A (en) * | 1922-06-10 | 1927-02-08 | Trojan Powder Co | Ammonium-nitrate explosive |
| US2001212A (en) * | 1932-03-12 | 1935-05-14 | Western Cartridge Co | Priming composition |
| US2063572A (en) * | 1934-08-08 | 1936-12-08 | Du Pont | Process of preparing explosive charges |
| US2353147A (en) * | 1941-06-05 | 1944-07-11 | Du Pont | High-density explosive charge |
| US2680067A (en) * | 1950-08-31 | 1954-06-01 | Ici Ltd | Blasting explosive containing a water-soluble polysaccharide ether |
-
0
- NL NLAANVRAGE7906376,A patent/NL183971B/xx unknown
- BE BE525022D patent/BE525022A/xx unknown
- NL NL90637D patent/NL90637C/xx active
-
1953
- 1953-12-30 FR FR1090329D patent/FR1090329A/fr not_active Expired
-
1954
- 1954-04-09 GB GB10573/54A patent/GB781072A/en not_active Expired
- 1954-04-13 US US422973A patent/US2908560A/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1045012A (en) * | 1911-02-04 | 1912-11-19 | Bernhard Jacques Fluerscheim | Explosive. |
| US1617182A (en) * | 1922-06-10 | 1927-02-08 | Trojan Powder Co | Ammonium-nitrate explosive |
| US2001212A (en) * | 1932-03-12 | 1935-05-14 | Western Cartridge Co | Priming composition |
| US2063572A (en) * | 1934-08-08 | 1936-12-08 | Du Pont | Process of preparing explosive charges |
| US2353147A (en) * | 1941-06-05 | 1944-07-11 | Du Pont | High-density explosive charge |
| US2680067A (en) * | 1950-08-31 | 1954-06-01 | Ici Ltd | Blasting explosive containing a water-soluble polysaccharide ether |
Also Published As
| Publication number | Publication date |
|---|---|
| BE525022A (enrdf_load_stackoverflow) | |
| GB781072A (en) | 1957-08-14 |
| FR1090329A (fr) | 1955-03-29 |
| NL90637C (enrdf_load_stackoverflow) | |
| NL183971B (nl) |
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