JPS5643393A - Dispersant for mixed fuel - Google Patents
Dispersant for mixed fuelInfo
- Publication number
- JPS5643393A JPS5643393A JP11822179A JP11822179A JPS5643393A JP S5643393 A JPS5643393 A JP S5643393A JP 11822179 A JP11822179 A JP 11822179A JP 11822179 A JP11822179 A JP 11822179A JP S5643393 A JPS5643393 A JP S5643393A
- Authority
- JP
- Japan
- Prior art keywords
- dispersant
- reaction
- mixed fuel
- average
- nonionic surfactant
- 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.)
- Pending
Links
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
PURPOSE: To provide a dispersant for a mixed fuel of finely divided coal powder and a fuel oil, containing a dialkyl ester metal salt of sulfosuccinic acid and a nonionic surfactant resulting from the reaction of a specified polyalkylene glycol with a diisocyanate.
CONSTITUTION: There is provided a dispersant which is used for the production of a mixed fuel of finely divided coal powder and a fuel oil and excels in fluidity, mechanical stability and static stability over a long period of time, containing a dialkyl ester metal salt of sulfosuccinic acid of the formula (wherein R, R' are alkyl having at least 4 carbon atoms; n is 1,2,3; M is n-valent metal) and a nonionic surfactant having at least two urethane linkages per molecule, a polyoxyethylene gp. content of 30W90wt% and a polyoxypropylene gp. content of 15W50wt%, which is a reaction product resulting from the reaction of a diisocyanate cpd. with a polyalkylene glycol including a polyethylene glycol having an average MW of 200W 20,000 and a polypropylene glycol having an average MW of 200W20,000.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11822179A JPS5643393A (en) | 1979-09-14 | 1979-09-14 | Dispersant for mixed fuel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11822179A JPS5643393A (en) | 1979-09-14 | 1979-09-14 | Dispersant for mixed fuel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5643393A true JPS5643393A (en) | 1981-04-22 |
Family
ID=14731213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11822179A Pending JPS5643393A (en) | 1979-09-14 | 1979-09-14 | Dispersant for mixed fuel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5643393A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58128135A (en) * | 1982-01-22 | 1983-07-30 | Dainippon Ink & Chem Inc | Emulsifying agent |
JPS6039197A (en) * | 1983-08-10 | 1985-02-28 | Sankyo Alum Ind Co Ltd | Surface treatment of aluminum |
JPS61143593A (en) * | 1984-12-17 | 1986-07-01 | Nippon Light Metal Co Ltd | Method for electrolytically coloring aluminum material |
-
1979
- 1979-09-14 JP JP11822179A patent/JPS5643393A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58128135A (en) * | 1982-01-22 | 1983-07-30 | Dainippon Ink & Chem Inc | Emulsifying agent |
JPS6039197A (en) * | 1983-08-10 | 1985-02-28 | Sankyo Alum Ind Co Ltd | Surface treatment of aluminum |
JPS61143593A (en) * | 1984-12-17 | 1986-07-01 | Nippon Light Metal Co Ltd | Method for electrolytically coloring aluminum material |
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