CA1063907A - Smoke generating compositions - Google Patents
Smoke generating compositionsInfo
- Publication number
- CA1063907A CA1063907A CA250,003A CA250003A CA1063907A CA 1063907 A CA1063907 A CA 1063907A CA 250003 A CA250003 A CA 250003A CA 1063907 A CA1063907 A CA 1063907A
- Authority
- CA
- Canada
- Prior art keywords
- alloy
- smoke generating
- composition according
- generating composition
- zinc oxide
- 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
Links
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
The invention relates to smoke generating compositions for screen-ing purposes and which are stable in storage, comprising a particulate mix-ture containing a highly chlorinated organic compound and a silicon-aluminium alloy.
The invention relates to smoke generating compositions for screen-ing purposes and which are stable in storage, comprising a particulate mix-ture containing a highly chlorinated organic compound and a silicon-aluminium alloy.
Description
This invention relates to smoke generating compositions which on ignition produce a considerable amount of dense smoke, generally, but not exclusively, for screening purposes.
The invention provides smoke generating compositions which are stable in storage, particularly with regard to corrosion by water, and which can produce dense smoke for relatively long periods.
In accordance with the invention, a smoke generating composition comprises a particulate mixture containing a highly chlorinated organic compound or compounds and a silicon-aluminum alloy.
The organic compound may be a chlorinated derivative of an alkane, an alkene or an aromatic compound, and may be a solid or a liquid. Examples of such compounds are, hexachloroethane; hexachlorobenzene; pentachloro-nitrobenzene; tetrachlorophthalic Anhydride; car~on tetrachloride; pentachloro-ethane; 1,1,2,2,-tetrachloroethane; 1,1,1,2-tetrachloroethane; 1,1,2-trichloroethane; l,l,l-trichloroethane; tetrachloroethylene; hexachloro-propene; hexachloro- l,3-butadiene and hexachloroacetone.
- The silicon-aluminum alloy should contain 10 to 15 per cent silicon and is preferably the 13 per cent silicon - 87 per cent aluminwm eutectic alloy. -The composition may contain other constituents such as7zinc oxide, magnesium carbonate, calcium carbonate kaolin and Kiesulguhr.
Particular compositions in accordance with the invention in per cent by weight proportions are as follows:
Example-l Hexachloroethane 45%
Zinc oxide 50 - 35%
Al/Si Alloy (87/13) 5 - 20%
Example 2 Hexachloroethane 70 - 90%
Al/SL Alloy (87/13) 30 - 10%
', ,~ ' , ~ .
u~
1063g~7 Example 3 ~l/Si Alloy ( 87:13) 1~/.
Hexachloroethane 90%
, . . .
Example 4 Al/Si Alloy (87:13) 15%
Hexachlorobenzene 45Z
Zinc Oxide 40~b Example 5 Al/Si Alloy ( 87:13) 30%
Pentschloronltrobenzene 30%
Zinc Oxide 40%
Example 6 Al/Si Alloy ( 87:13) 15%
Tetrachlorophthalic Anhydride 65%
Zinc Oxide 20%
Example 7 Al/Si Alloy ~ 87:13) 30%
Pentachloroethane 40%
Magnesium Carbonate 30%
Example รด
Al/Si Alloy ( 87:13) 5%
Carbon tetrachloride 65%
Zinc Oxide 30b Example 9 Al/Si Alloy ( 87:13) 25%
Hexachloropropene 40%
Kaolin 35%
Example 10 Al/Si Alloy ( 87:13) 10%
Tetrachloroethylene 40%
Zinc Oxide ' 50%
The invention provides smoke generating compositions which are stable in storage, particularly with regard to corrosion by water, and which can produce dense smoke for relatively long periods.
In accordance with the invention, a smoke generating composition comprises a particulate mixture containing a highly chlorinated organic compound or compounds and a silicon-aluminum alloy.
The organic compound may be a chlorinated derivative of an alkane, an alkene or an aromatic compound, and may be a solid or a liquid. Examples of such compounds are, hexachloroethane; hexachlorobenzene; pentachloro-nitrobenzene; tetrachlorophthalic Anhydride; car~on tetrachloride; pentachloro-ethane; 1,1,2,2,-tetrachloroethane; 1,1,1,2-tetrachloroethane; 1,1,2-trichloroethane; l,l,l-trichloroethane; tetrachloroethylene; hexachloro-propene; hexachloro- l,3-butadiene and hexachloroacetone.
- The silicon-aluminum alloy should contain 10 to 15 per cent silicon and is preferably the 13 per cent silicon - 87 per cent aluminwm eutectic alloy. -The composition may contain other constituents such as7zinc oxide, magnesium carbonate, calcium carbonate kaolin and Kiesulguhr.
Particular compositions in accordance with the invention in per cent by weight proportions are as follows:
Example-l Hexachloroethane 45%
Zinc oxide 50 - 35%
Al/Si Alloy (87/13) 5 - 20%
Example 2 Hexachloroethane 70 - 90%
Al/SL Alloy (87/13) 30 - 10%
', ,~ ' , ~ .
u~
1063g~7 Example 3 ~l/Si Alloy ( 87:13) 1~/.
Hexachloroethane 90%
, . . .
Example 4 Al/Si Alloy (87:13) 15%
Hexachlorobenzene 45Z
Zinc Oxide 40~b Example 5 Al/Si Alloy ( 87:13) 30%
Pentschloronltrobenzene 30%
Zinc Oxide 40%
Example 6 Al/Si Alloy ( 87:13) 15%
Tetrachlorophthalic Anhydride 65%
Zinc Oxide 20%
Example 7 Al/Si Alloy ~ 87:13) 30%
Pentachloroethane 40%
Magnesium Carbonate 30%
Example รด
Al/Si Alloy ( 87:13) 5%
Carbon tetrachloride 65%
Zinc Oxide 30b Example 9 Al/Si Alloy ( 87:13) 25%
Hexachloropropene 40%
Kaolin 35%
Example 10 Al/Si Alloy ( 87:13) 10%
Tetrachloroethylene 40%
Zinc Oxide ' 50%
Claims (12)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A smoke generating composition, comprising a particulate mixture of (a) 45-90%/w of a highly chlorinated organic compound selected from the group consisting of hexachlorethane; hexachlorobenzene; pentachloro-nitrobenzene; tetrachlorophthalic anhydride; carbon tetrachloride;
pentachloroethane; 1,1,2,2 - tetrachloroethane; 1,1,1,2 - tetrachloro-ethane; 1,1,2 - trichloroethane; 1,1,1 - trichloroethane; tetrachloro-ethylene; hexachloropropane; hexachloro - 1,3 - butadiene; and hexa-chloroacetone, (b) 5-30%/w of silicon aluminum alloy containing 10-15% silicon, and (c) 0-50%/w of a compound selected from the group consisting of zinc oxide;
magnesium carbonate; calcium carbonate; kaolin; and kiesulguhr.
pentachloroethane; 1,1,2,2 - tetrachloroethane; 1,1,1,2 - tetrachloro-ethane; 1,1,2 - trichloroethane; 1,1,1 - trichloroethane; tetrachloro-ethylene; hexachloropropane; hexachloro - 1,3 - butadiene; and hexa-chloroacetone, (b) 5-30%/w of silicon aluminum alloy containing 10-15% silicon, and (c) 0-50%/w of a compound selected from the group consisting of zinc oxide;
magnesium carbonate; calcium carbonate; kaolin; and kiesulguhr.
2. A smoke generating composition according to claim 1, wherein the silicon-aluminium alloy is the 13 per cent silicon - 87 per cent aluminium eutectic alloy.
3. A smoke generating composition according to claim 1, comprising (a) hexachloroethane 45%/w (b) Al/Si alloy (87/13) 5.- 20%/w (c) Zinc oxide 50 .35%/w
4. A smoke generating composition according to claim 1, comprising (a) hexachloroethane 70 - 90%
(b) Al/Si Alloy (87/13) 30 - 10%.
(b) Al/Si Alloy (87/13) 30 - 10%.
5. A smoke generating composition according to claim 1, comprising (a) hexachloroethane 90%
(b) Al/Si Alloy (87:13) 10%
(b) Al/Si Alloy (87:13) 10%
6. A smoke generating composition according to claim 1, comprising (a) hexachlorobenzene 45%
(b) Al/Si Alloy (87:13) 15%
(c) Zinc Oxide 40%
(b) Al/Si Alloy (87:13) 15%
(c) Zinc Oxide 40%
7. A smoke generating composition according to claim 1, comprising (a) pentachloronitrobenzene 30%
(b) Al/Si Alloy (87:13) 30%
(c) zinc oxide 40%.
(b) Al/Si Alloy (87:13) 30%
(c) zinc oxide 40%.
8. A smoke generating composition according to claim 1, comprising (a) tetrachlorophthalic anhydride 65%
(b) Al/Si Alloy (87:13) 15%
(c) zinc oxide 20%.
(b) Al/Si Alloy (87:13) 15%
(c) zinc oxide 20%.
9. A smoke generating composition according to claim 1, comprising (a) pentachloroethane 40%
(b) Al/Si Alloy (87:13) 30%
(c) Magnesium Carbonate 30%.
(b) Al/Si Alloy (87:13) 30%
(c) Magnesium Carbonate 30%.
10. A smoke generating composition according to claim 1, comprising (a) carbon tetrachloride 65%
(b) Al/Si Alloy (87:13) 5%
(c) zinc oxide 30%.
(b) Al/Si Alloy (87:13) 5%
(c) zinc oxide 30%.
11. A smoke generating composition according to claim 1, comprising (a) hexachloropropene 40%
(b) Al/Si Alloy (87:13) 25%
(c) Kaolin 35%.
(b) Al/Si Alloy (87:13) 25%
(c) Kaolin 35%.
12. A smoke generating composition according to claim 1, comprising (a) tetrachloroethylene 40%
(b) Al/Si Alloy (87:13) 10%
(c) zinc oxide 50%.
(b) Al/Si Alloy (87:13) 10%
(c) zinc oxide 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA250,003A CA1063907A (en) | 1976-04-12 | 1976-04-12 | Smoke generating compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA250,003A CA1063907A (en) | 1976-04-12 | 1976-04-12 | Smoke generating compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1063907A true CA1063907A (en) | 1979-10-09 |
Family
ID=4105681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA250,003A Expired CA1063907A (en) | 1976-04-12 | 1976-04-12 | Smoke generating compositions |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1063907A (en) |
-
1976
- 1976-04-12 CA CA250,003A patent/CA1063907A/en not_active Expired
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