US1310489A - scotland - Google Patents
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- Publication number
- US1310489A US1310489A US1310489DA US1310489A US 1310489 A US1310489 A US 1310489A US 1310489D A US1310489D A US 1310489DA US 1310489 A US1310489 A US 1310489A
- Authority
- US
- United States
- Prior art keywords
- nitroglycerin
- nitrocellulose
- usual
- nitro
- blasting
- 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
- SNIOPGDIGTZGOP-UHFFFAOYSA-N 1,2,3-propanetrioltrinitrate Chemical compound [O-][N+](=O)OCC(O[N+]([O-])=O)CO[N+]([O-])=O SNIOPGDIGTZGOP-UHFFFAOYSA-N 0.000 description 24
- 239000000006 Nitroglycerin Substances 0.000 description 20
- 229940014995 Nitroglycerin Drugs 0.000 description 20
- 229960003711 glyceryl trinitrate Drugs 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000020 Nitrocellulose Substances 0.000 description 10
- 229920001220 nitrocellulos Polymers 0.000 description 10
- 238000005422 blasting Methods 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 239000002360 explosive Substances 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 229960003563 Calcium Carbonate Drugs 0.000 description 4
- LQNUZADURLCDLV-UHFFFAOYSA-N Nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000010348 incorporation Methods 0.000 description 4
- 125000000449 nitro group Chemical class [O-][N+](*)=O 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- FVHAWXWFPBPFOS-UHFFFAOYSA-N 1,2-dimethyl-3-nitrobenzene Chemical class CC1=CC=CC([N+]([O-])=O)=C1C FVHAWXWFPBPFOS-UHFFFAOYSA-N 0.000 description 2
- RJKGJBPXVHTNJL-UHFFFAOYSA-N 1-nitronaphthalene Chemical compound C1=CC=C2C([N+](=O)[O-])=CC=CC2=C1 RJKGJBPXVHTNJL-UHFFFAOYSA-N 0.000 description 2
- 229960005069 Calcium Drugs 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 240000006962 Gossypium hirsutum Species 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 235000013877 carbamide Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- KHLVKKOJDHCJMG-QDBORUFSSA-L disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate Chemical compound [Na+].[Na+].N/1C2=CC=C(S([O-])(=O)=O)C=C2C(=O)C\1=C1/NC2=CC=C(S(=O)(=O)[O-])C=C2C1=O KHLVKKOJDHCJMG-QDBORUFSSA-L 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000000087 stabilizing Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 150000003672 ureas Chemical class 0.000 description 2
- 150000003673 urethanes Chemical class 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
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
- C06B25/28—Compositions containing a nitrated organic compound the compound being nitrocellulose present as less than 10% by weight of the total composition
- C06B25/30—Compositions containing a nitrated organic compound the compound being nitrocellulose present as less than 10% by weight of the total composition with nitroglycerine
Definitions
- the invention therefore consists in employing inthe manufacture of blasting exf f plosives a small proportion of the order of 0.1 to 1 per cent. calculated on the nitroglycerin-of' one or more members of the follow- 7 ing classes, the gelatinization being effected w th elevation of temperature, preferably 3 such as is em loyedin the usual service method of making blasting gelatin andlike explosives viz about 60 C. to 70 C. zp 1. Urethanes, or esters of carbaminic acid. 2. Anilids. 1'3. Substituted ureas. v '4. Condensation products of glycerol'and 'otherl glyhydric alcohols with aldehydes. 5. mologues of oxanilic ester.
- organic accelerants for the gelntinization. Some of these, including those numbered from l to 5 inclusive, are both accelerants of gelatinization and stabilizers.
- Calcium carbonate; 0.3% p be prepared is the usual scrvice'method at 60 c. to 70? it requires about 7 5 minutes lfied gelignite i'samb v gag f fi t of g 5%: teiiged bu r saidiriv'ention-andth mamier'iu- .45
- TIE-,gtdtlj-rdild times oflatinizi-ng thusjkrequirecl are of great bene t from the Pgiufiof yiew-of reductioii ofthe inanfacturmgrisls as coniparedwith present processes, gs-theso practically varproportionally 'e w m nitrocellulose,
Description
mos enae of'blastingcxplosives containing nitrogly cerin and gelatinized nitrocellulose, and in which the-ratio of nitroglycerin to nitroct- P-tonis large. c In our prior United States applications Serial Numbers 192,963 and19'2,96 t, filed =-j"-. -.September'2 t, 1917, we have described the manufacture of certain improved blasting explosives in the cold, by the use of a small of'certain gelatinizing accelerants.
maximum output from a given plant. can'be'attained-by this invention with gle 1 creased risks as compared ivith present methods of manufacture by reason of the shorter time. of incorporation required. -..We find that an increased output can be Obtained by the-utilization of small proportions of the -0rder:0f0.1' to 1 per cent. of certain of the applications, and using elevated tempera- V tures e. g'., the usual service method of Working, viz.-, C. to C., the increased output arising from the fact that the time re-. quired for gelatinization is greatly reduced.
The invention therefore consists in employing inthe manufacture of blasting exf f plosives a small proportion of the order of 0.1 to 1 per cent. calculated on the nitroglycerin-of' one or more members of the follow- 7 ing classes, the gelatinization being effected w th elevation of temperature, preferably 3 such as is em loyedin the usual service method of making blasting gelatin andlike explosives viz about 60 C. to 70 C. zp 1. Urethanes, or esters of carbaminic acid. 2. Anilids. 1'3. Substituted ureas. v '4. Condensation products of glycerol'and 'otherl glyhydric alcohols with aldehydes. 5. mologues of oxanilic ester.
6; Aromatic bodies soluble in nitroglycerin, e'. g.',"mono-, dior tri-nitrotuluene, mono-nitro-naphthalene, di nitro benzene, 56 nitro-xylenes, or mixtures of these bodies.
Specification o! Letters-Pate 'fproportion of the'order of 0.1 to 1 per cent.
"'- '-'-It""isfin"somecases desirable-to obtaintho- ,classes 'of substancesdescribcdlin our prior Patented July 22, 1919.
Theabove-men ioned organic bodies 'and their chemical. equivalents for the purposes.- of this invention, or mixtures thereof, areherein collectively referred to as organic accelerants for the gelntinization. Some of these, including those numbered from l to 5 inclusive, are both accelerants of gelatinization and stabilizers.
In carrying this invention into efi'ect in one form, 1W0 dissolve a small quantity .of 5
'one of the above accelerating agents in the nitroglyccrin'in a proportion varying from 0.1 to l-per cent; calculatcd on the nitroglycerin, according to the gelatin'izing power oi-f the articular substance selected, which must be etermined experimentally in each case. ie stir the nitrocellulose into the nitroglycerm solution, add theflother in' dients, if
any, and complete the mi xingtin the usual 1 manner, employing the ordinary-elevation of tempcraturecof, the usual service method,
v17... 60 C. to 70 (1.; and we findthat a good blasting explosive is thus prepared. .in a
shortertime thanhas hitherto been possiblei ll'e find that \vhile ordinary blasting gela- V tin of the followmg'composition, via,
Nitroglycerin .L 90.6% Xitrmcott'on... Q. 8.8%
Calciumcarbonate- 0.6%
prepared by the usual service method at 50 C. to 70 C. requires about 7 5 minutes for gelntinization, the corresponding modified blasting gelatin of the following compo 9 sition, ma, 0
Nitro lyoerin 91.6% Solub e nitrocellulose 7.5% Formanilid 0.2} 0 Form-o-toluidid 0.1 Calcium carbonate-- 0.6% and repared by the usual service method at 60 to 70 C., has the gelatinization completed in 30 minutes.
Again in the case of afielignite, if an ordi- 1 nary gelignite ofthe 'fo owing composition,
Nitroglycerin 61.1%- Nitro'cottons 3.8% Wood meal.. 7.2%
7 Potassium nitrates-s 27.6%
Calcium carbonate; 0.3% p be prepared is the usual scrvice'method at 60 c. to 70? it requires about 7 5 minutes lfied gelignite i'samb v gag f fi t of g 5%: teiiged bu r saidiriv'ention-andth mamier'iu- .45
i"? 3'; which it IS gel-formed, we declare that Fomttolaizfir II": .1} 03% what we chum Calcium carbonate b3 4, The e e eee r blame v 10 Y s1 ves contau m rutroglycerm an gelatiat 1d reparedby theusual service method atd n1trocelli'ilose,-'-' consistin in incqrppto C.; completes g'elatinizution ih' r ng a proportion of the or er of 0.1 to' l' about 35 i t s; e j per cent. calculated on the nitroglycerin of Q The following. are further e ramples of an orgunic ccelerzmr for the gelz tir iziit1on; lfi i l explosives hi h yb prepared the gelatimzution being efrIected with elevaaccording-t6 this invention at the usual cle.-- of f P j FH tune factor f ini vatedtempemtures, and conteinihgarorimtic- CPFPOFIXUOH elng thereby reduced, Sllbiitfllhr nitro bodies soluble in nitroglycerin t-lally as described.
Nitr0glycerin; L- 89.8% Soluble nitrocellulossLLJ 8.7% Li uid trinitrotolueneL-i; 9.9%"
ciunrcarhonate 0.6% f
a 60.5% 4 Soluble nitrocellulose;.... 313% l ittfil' "arbo flate;;
oir ofithese oompos oselyjto-thasepbove indicated-respectively. TIE-,gtdtlj-rdild times oflatinizi-ng thusjkrequirecl are of great bene t from the Pgiufiof yiew-of reductioii ofthe inanfacturmgrisls as coniparedwith present processes, gs-theso practically varproportionally 'e w m nitrocellulose,
glycerin prior to incorporation with the nitrocellulose asmuil proportion of the order of 0.1 to 1 per cent. calculated on the" t itions correspond very turehttei'iied hy the mass during incorporatiou nmiythus tend 'to increased'l'safety.
2. The manufacture of-h'lastihg eiplosiveia contuinin nitroglycerin; and gelatimized by dissolving in the nifirb- 6.0
nitroglycerin o f-au. orgauic acceleraint for the gelultinigzation, anduncorporatingthe I other ingredmntswith this solution at an ele-J rated temperature, whereby the time factor.' of gelutinizationis 'rduced.
- 3. In the'manufacture'of blastiiig lization of an organic accelerant for the ge j lutiniza'tion. which possesses also stabilizing" 2 properties. In testimony whereof we have signed our names to this specification.
of gelatin-izin ghavelo
Publications (1)
Publication Number | Publication Date |
---|---|
US1310489A true US1310489A (en) | 1919-07-22 |
Family
ID=3377996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US1310489D Expired - Lifetime US1310489A (en) | scotland |
Country Status (1)
Country | Link |
---|---|
US (1) | US1310489A (en) |
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0
- US US1310489D patent/US1310489A/en not_active Expired - Lifetime
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