US869051A - Nitro-starch explosive. - Google Patents
Nitro-starch explosive. Download PDFInfo
- Publication number
- US869051A US869051A US38430607A US1907384306A US869051A US 869051 A US869051 A US 869051A US 38430607 A US38430607 A US 38430607A US 1907384306 A US1907384306 A US 1907384306A US 869051 A US869051 A US 869051A
- Authority
- US
- United States
- Prior art keywords
- nitro
- starch
- explosive
- soda
- mixture
- 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
- 229920002472 Starch Polymers 0.000 title description 20
- 239000008107 starch Substances 0.000 title description 20
- 239000002360 explosive Substances 0.000 title description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 18
- 239000000203 mixture Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000011872 intimate mixture Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical class O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 1
- 239000003381 stabilizer 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
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/02—Compositions containing a nitrated organic compound the nitrated compound being starch or sugar
Definitions
- Nitro-starch is .well known to be a powerful explosive, but its commercial use heretofore has been small owing to its instability as ordinarliy made and its high for rendering it stable. I have discovered, however,
- nitro-starch- may be prepared by any of the known methods but preferably by one which will give 2 the product as much inherent stability as possible, be-
- the preferred proportions of the ingredients referred to are 5 parts soda to 95 of nitro-starch, but from 2 to 10% of soda .can be used with good results, and slightly larger proportions of soda may be used under some conditions. It is evident, however that too large a quantity of soda will have the effect of decreasing the explosive power of the mixture.
- a common moderating agent or dope for-such purpose is, for example, nitrate of soda (NaNO A particularly good agent for the purpose I have found in finely divided metal, such, for example, as iron filings, preferably of a grade such as will pass through a forty mesh screen.
- nitro-starch nitrate of soda
- soda and finely divided metal the proportions of nitro-starch will vary from 30 to 70% of the entire mixture, the balance being made up of soda-and finely divided metal, the quantity of soda being, as before stated, preferably from 2 01092 by weight of the amount of nitro-starch and soda. It is thus possible toproduce a series of blasting powders graded commercially as 30, 40, 50, and powders,
- An explosive havingas the explosive base a mixture of nitro-starcb and soda, the latter being added in such proportion as to stabilize the nitro-starch in substantially 75 the manner described:
- An explosive powder having as the explosive base a mixture of substantially 95 parts by weight of nitro-starch and 5 parts of soda.
- An explosive powder having as the explosive base a mixture of nit1-o-starch and soda, the proportion of soda in,
- a said mixture being approximately from 2 to 10%.
- the lei-carbonate of sodium NaIICO may be sub-' 0.
- An explosive consisting of an intimate mixture of from 30 to 70% of nitro-starch and substantially 70 to 30% of an added material consisting of finely divided iron and soda, the proportion of soda being approximately 2 to 10% by weight of nitro-starch and soda.
- seed oil say 1 1/27 by weight of the entire mixture, may 6 5
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Description
FIPYQOQ UNrT D STATES PATENT "OFFICE,
NITRO STARQ H EXPLOSIVE Specification of Letters Patent.
Patented Oct. 22, 1907.
Application files Jul 13,1007. Serial No. 384,306.
Be it known that 1, Insert B. BRAUNS'IEIN, a citizen of the United States, residing in Allentown, Pennsylvania, have invented certain Improvements in Nitro- Starch Explosives, of which the following is a specifi- My inventionrelates in general to the manufacture of nitrated carbohydrates for use as explosive bases and its specific object is to produce for such purpose a stable and economical nitro-starch.
l Nitro-starch is .well known to be a powerful explosive, but its commercial use heretofore has been small owing to its instability as ordinarliy made and its high for rendering it stable. I have discovered, however,
1 a treatment which is inexpensive and at the same time results in satisfactory stability of the resulting .explosive .base.
The nitro-starch-may be prepared by any of the known methods but preferably by one which will give 2 the product as much inherent stability as possible, be-
fore the stabilizing agent is added. I have successfully used as an acid mixture 33 to 36% nitric acid, 63
- to (57% sulfuric acid and 3 to 4 water, adding lweight of the starch to 4 oithe acid mixture. The nitrated 2 product is washed in any suitable manner. water and weak solution of ammonia accomplishing the object satisfactorily. I Y I 'lo nitro-starch properly prepared is added a suitable quantity of-soda (Na CO and the nitro-starch and soda are then thoroughly mixed in any convenient manner.
The preferred proportions of the ingredients referred to are 5 parts soda to 95 of nitro-starch, but from 2 to 10% of soda .can be used with good results, and slightly larger proportions of soda may be used under some conditions. It is evident, however that too large a quantity of soda will have the effect of decreasing the explosive power of the mixture.
- i5 given weight. of powder. A common moderating agent or dope for-such purpose is, for example, nitrate of soda (NaNO A particularly good agent for the purpose I have found in finely divided metal, such, for example, as iron filings, preferably of a grade such as will pass through a forty mesh screen. Where the three ingredients, nitro-starch, soda and finely divided metal are used, the proportions of nitro-starch will vary from 30 to 70% of the entire mixture, the balance being made up of soda-and finely divided metal, the quantity of soda being, as before stated, preferably from 2 01092 by weight of the amount of nitro-starch and soda. It is thus possible toproduce a series of blasting powders graded commercially as 30, 40, 50, and powders,
I that is to say, powders in which'the explosive agent, expense when made by methods heretofore proposed nitro-starch, constituted substantially 30, 40, 50, 60 60 and 70 of'the entire mixture.
The various ingredients are caused to be intimately intermixed in any .convenient manner, and if desired, a small percentage of a suitable oil for example cotton be added to give consistency I donot in this application claim broadly a mixture of nitro-starch with a moderating agent consisting of. finely divided metal, that being the subject of a copending application, Serial No. 376,003, filed May 27, 70
1. An explosive havingas the explosive base a mixture of nitro-starcb and soda, the latter being added in such proportion as to stabilize the nitro-starch in substantially 75 the manner described:
- 2. An explosive powder having as the explosive base a mixture of substantially 95 parts by weight of nitro-starch and 5 parts of soda.
3. An explosive powder having as the explosive base a mixture of nit1-o-starch and soda, the proportion of soda in,
a said mixture being approximately from 2 to 10%.
4. An explosive consisting of an intimate mixture of from 30 to 70% of nitro=starch and substantially TO to 30% of an added material consisting of finely divided iron and soda the proportion of soda being approximately 5% I i 'by weight of nitro-starch and soda. The lei-carbonate of sodium (NaIICO may be sub-' 0. An explosive consisting of an intimate mixture of from 30 to 70% of nitro-starch and substantially 70 to 30% of an added material consisting of finely divided iron and soda, the proportion of soda being approximately 2 to 10% by weight of nitro-starch and soda.
In testimony whereof, I have signed my name to this specification, in the presence of two lubscribing witnesses.
, JESSE B. BRAUNSTElN. Witnesses: 7
CHARLES H. HowsoN,
'Jos. H. KLEIN.
seed oil, say 1 1/27 by weight of the entire mixture, may 6 5
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38430607A US869051A (en) | 1907-07-18 | 1907-07-18 | Nitro-starch explosive. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38430607A US869051A (en) | 1907-07-18 | 1907-07-18 | Nitro-starch explosive. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US869051A true US869051A (en) | 1907-10-22 |
Family
ID=2937498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US38430607A Expired - Lifetime US869051A (en) | 1907-07-18 | 1907-07-18 | Nitro-starch explosive. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US869051A (en) |
-
1907
- 1907-07-18 US US38430607A patent/US869051A/en not_active Expired - Lifetime
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