CN85100586A - Petroleum pitch emulsion - Google Patents
Petroleum pitch emulsion Download PDFInfo
- Publication number
- CN85100586A CN85100586A CN 85100586 CN85100586A CN85100586A CN 85100586 A CN85100586 A CN 85100586A CN 85100586 CN85100586 CN 85100586 CN 85100586 A CN85100586 A CN 85100586A CN 85100586 A CN85100586 A CN 85100586A
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- Prior art keywords
- petroleum pitch
- emulsion
- emulsifying agent
- consumption
- pitch
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Abstract
The present invention is a kind of petroleum pitch emulsion, this emulsion has adopted a kind of compound emulsifying agent, it is made up of 18 alkyl trimethyl ammonium chlorides and oxirane mixture, and oxirane mixture is to be prepared from by polyoxyethylene alkylphenol ether, alkylol amide, polyoxyethylenated alcohol sodium sulfate.The prescription of this petroleum pitch emulsion and manufacture craft have guaranteed that this emulsion has satisfactory stability, workability.Eliminate environmental pollution with members such as this emulsion spraying cast iron pipes, had good environmental effect and result of use.
Description
The invention belongs to a kind of petroleum pitch emulsion, particularly about this emulsion composition and preparation method thereof, this petroleum pitch emulsion can be used as the protective system of cast iron pipe, steel pipe etc., also can be used as place insulating covering agent etc.
The coal-tar pitch hot dipping method is all adopted in cast iron pipe production always.In the dip-coating process,, coal-tar pitch volatilizes the glance coal that contains carcinogenic substance in a large number, seriously contaminate environment owing to being heated.
Units such as Science Institute of Chinese transportation portion propose the research report of a " application of cationic emulsified bitumen in road " by name September nineteen eighty-two, proposed a kind of 18 alkyl trimethyl ammonium chlorides (commodity are called OT) that utilize and low softening point (45 ℃) petroleum pitch has been carried out the emulsive method as emulsifying agent, but according to said method institute can not be higher than 45 ℃ by remollescent petroleum pitch softening temperature, and this petroleum emulsification pitch can not satisfy the requirement of cast iron pipe or corrosion-inhibiting coating of steel pipe.
Day disclosure special permission 51-30832 has proposed a kind of coal-tar pitch emulsion, contains the toxic organic compounds such as dimethylbenzene of a great deal of in the used emulsifying agent of this emulsion, has brought new environomental pollution source; Simultaneously, add Resins, epoxy in this emulsion, therefore improved cost.Japan special permission 53-37095 has added a certain amount of petroleum pitch in above-mentioned emulsion, but still based on coal-tar pitch, and do not change the emulsifying agent composition.U.S. Pat 4427449 has proposed a kind of cationic asphalt emulsion, and the bromide that adopts wooden sulfonate, benzene or toluene is as emulsifying agent.These emulsifying agents still can pollute environment, also do not mention the emulsification of petroleum pitch simultaneously.
Task of the present invention provides the higher petroleum pitch emulsion of a kind of softening temperature, and to be used for the cold spraying of cast iron pipe etc., to replace traditional hot dipping method, decontamination source protection environment to greatest extent is unlikely simultaneously the increase production cost again simultaneously.
According to petroleum pitch emulsion of the present invention, be with the petroleum pitch under the hot state, with the compound emulsifying agent for preparing, add equal oily machine, through mechanical effects such as high speed centrifugation, stirring, shearings, make it stable and be scattered in equably in the aqueous solution that contains emulsifying agent, become oil-in-water-type colloidal dispersion system with small particulate state.Pitch particle is a disperse phase, and the aqueous solution is external phase.
According to the present invention, this petroleum pitch emulsion is made up of 50～70% petroleum pitch, 30～50% service water, 1.5～2.5% compound emulsifying agent, 0.05～0.30% stablizer.The softening temperature for the treatment of emulsive petroleum pitch can be in 45～55 ℃ of scopes.According to the different purposes of emulsion, can match the pitch of various different softening points.For example, requiring the mix asphalt softening temperature is 50～57 ℃, and average penetration degree is 48～51, and then high softening-point (98 ℃) petroleum pitch can account for 15～35%, and low softening point (45 ℃) pitch can account for 65～85%.
Can be formed by 18 alkyl trimethyl ammonium chlorides and oxirane mixture according to compound emulsifying agent of the present invention.This oxirane mixture is made up of water (accounting for 70%) and polyoxyethylene alkylphenol ether, alkylol amide, polyoxyethylenated alcohol sodium sulfate (accounting for 30%).The characteristics of this compound emulsifying agent are emulsify wells, can the higher petroleum pitch of emulsification softening temperature.Can adopt methylcellulose gum according to stablizer of the present invention.
Preparation technology according to petroleum pitch of the present invention is that the petroleum pitch that apolegamy is good according to the softening temperature of mix asphalt, is heated 150-190 ℃, and is stand-by after melting, dewater, filtering.Compound emulsifying agent, stablizer added to make temperature in the entry be 50～70 ℃ the emulsified agent aqueous solution, to add in the equal oily machine through the petroleum pitch of heat treated and the emulsified agent aqueous solution and carry out emulsification, can use after the emulsion after will handling filters.
Because emulsified agent of the present invention is a surfactant, so can form adsorption layer, surface energy reduction, free energy are reduced, it is stable that system is in.Therefore, once formation, just prolonged preservation at normal temperatures is available at any time according to petroleum pitch emulsion of the present invention.
According to petroleum pitch emulsion of the present invention, the pitch particle positively charged, and iron is surperficial electronegative, because electrostatic effect, make both produce intensive absorption, quickened the formation of coating for metal surfaces, be used for the situation of cast iron pipe spraying, liquid in the spraying process loses seldom, and spraying operation also has higher weathering resistance simultaneously.
According to petroleum pitch emulsion of the present invention, because the compound staggered emulsified agent that does not wait with the bond distance that in cationic emulsifier, has added non-ionic type, both had suitable wetting ability, micro-space effect in the suitable multiphase system is arranged again, thereby strengthened the stability of liquid, and reduced the foam that is produced when preparing emulsion.
When adopting the present invention that cast iron pipe etc. is sprayed, the working district is smokeless, tasteless, has fundamentally eliminated the pollution of coal-tar pitch cigarette to environment, has also solved the pollution problem of other various emulsions to environment.And can make full use of cheap raw material.
When the cast iron pipe that utilizes petroleum pitch emulsion of the present invention to spray laid running water pipe, water quality was tasteless, odorless, nontoxic, met hygienic standard.
Most preferred embodiment of the present invention
The petroleum pitch emulsion that cast iron pipe spraying is used.
(1) prescription
1, low softening point petroleum pitch (for example wins 100
#), 65～75%;
2, high softening petroleum pitch (for example wins 10
#) 25～35%;
3,18 alkyl trimethyl ammonium chlorides 0.7～1.0%;
4, oxirane mixture 0.5～1.5%;
5, stablizer (methylcellulose gum) 0.05～0.30%.
(2) preparation technology
Two kinds of pitches are mixed and heated to 150～180 ℃, stand-by after fusing, dehydration, the filtration, 3,4,5 prong materials are added to make temperature in the entry be 50-70 ℃ the emulsified agent aqueous solution, to add after equal oily machine carries out emulsification through the petroleum pitch of heat treated and the emulsified agent aqueous solution, stand-by after filtration.
(3) result of use
With this petroleum pitch emulsion cast iron pipe is sprayed, the spraying operation district is smokeless, tasteless.Under express the contrast of new and old painting operation district pollution condition.
| Coating process | Glance coal content g/m 3 | 3,4 benzopyrene content μ g/km 3 |
| The dip-coating of emulsified bitumen spraying coal-tar pitch | 2.7 330.38 | Do not detect 49470 |
Water examination result when laying running water pipe with this cast iron pipe shows that every inspection index all conforms with standard, the water quality odorless, tasteless,
Claims (4)
1, a kind of petroleum pitch emulsion is made up of petroleum pitch, service water, 18 alkyl trimethyl ammonium chlorides and (methylcellulose gum) stablizer.It is characterized in that this emulsion is made up of by 45～60 ℃ petroleum pitch, 40～50% service water, 1.5～2.5% compound emulsifying agent, 0.05～0.30% methylcellulose gum 50～60% softening temperature, this compound emulsifying agent is made up of 18 alkyl trimethyl ammonium chlorides (accounting for 40～50%) and oxirane mixture (accounting for 50～60%), this oxirane mixture is that 30% polyoxyethylene alkylphenol ether, alkyl alcohol amide, polyoxyethylenated alcohol sodium sulfate are formed by 70% water.
2,, it is characterized in that petroleum pitch can be that 45 ℃ low softening point petroleum pitch (65～85%) and softening temperature formed by 98 ℃ high softening-point petroleum pitch (15～35%) with softening temperature according to the petroleum pitch emulsion of claim 1.
3, according to the petroleum pitch emulsion of claim 1 and 2, it is characterized in that low softening point petroleum pitch consumption is 68～75%, high softening-point petroleum pitch consumption is 25～32%, the average penetration degree of mix asphalt is 45～51, water oil ratio is 1: 1, the compound emulsifying agent consumption be 0.5～1.8%(wherein the consumption of 18 alkyl trimethyl ammonium chlorides be 0.7～0.8%, the consumption of oxirane mixture is 0.8～1.0%).
4, according to the petroleum pitch emulsion of claim 1, it is characterized in that being heated to 150～180 ℃ with preparing petroleum pitch, dewatering and filtering is heated to 50～70 ℃ with service water, adds emulsifying agent, stablizer, form through equal oily machine emulsification,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85100586A CN85100586B (en) | 1985-04-01 | 1985-04-01 | petroleum asphalt emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85100586A CN85100586B (en) | 1985-04-01 | 1985-04-01 | petroleum asphalt emulsion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85100586A true CN85100586A (en) | 1986-07-30 |
| CN85100586B CN85100586B (en) | 1986-12-03 |
Family
ID=4791285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85100586A Expired CN85100586B (en) | 1985-04-01 | 1985-04-01 | petroleum asphalt emulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85100586B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305965C (en) * | 2005-08-05 | 2007-03-21 | 倪红霞 | Cation asphalt anti-collapse agent emulsion and its producing method and using method |
| CN1313539C (en) * | 2003-10-24 | 2007-05-02 | 中国石油化工股份有限公司 | Semi-solid emulsified asphalt |
| CN100419043C (en) * | 2003-12-25 | 2008-09-17 | 中国石油化工股份有限公司 | Asphalt aqueous emulsion and method for preparation |
| CN101831185A (en) * | 2010-04-06 | 2010-09-15 | 深圳市贝特瑞新能源材料股份有限公司 | Modified emulsified bitumen and preparation method thereof |
| CN1563196B (en) * | 2004-04-06 | 2010-10-13 | 株洲时代新材料科技股份有限公司 | Dedicated asphalt emulsion and preparation method |
| CN113336963A (en) * | 2021-06-09 | 2021-09-03 | 巴州三元石油助剂有限公司 | Cationic emulsified asphalt for drilling fluid, preparation method and softening point blending method thereof |
-
1985
- 1985-04-01 CN CN85100586A patent/CN85100586B/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313539C (en) * | 2003-10-24 | 2007-05-02 | 中国石油化工股份有限公司 | Semi-solid emulsified asphalt |
| CN100419043C (en) * | 2003-12-25 | 2008-09-17 | 中国石油化工股份有限公司 | Asphalt aqueous emulsion and method for preparation |
| CN1563196B (en) * | 2004-04-06 | 2010-10-13 | 株洲时代新材料科技股份有限公司 | Dedicated asphalt emulsion and preparation method |
| CN1305965C (en) * | 2005-08-05 | 2007-03-21 | 倪红霞 | Cation asphalt anti-collapse agent emulsion and its producing method and using method |
| CN101831185A (en) * | 2010-04-06 | 2010-09-15 | 深圳市贝特瑞新能源材料股份有限公司 | Modified emulsified bitumen and preparation method thereof |
| CN101831185B (en) * | 2010-04-06 | 2012-10-03 | 惠州市贝特瑞新材料科技有限公司 | Modified emulsified bitumen and preparation method thereof |
| CN113336963A (en) * | 2021-06-09 | 2021-09-03 | 巴州三元石油助剂有限公司 | Cationic emulsified asphalt for drilling fluid, preparation method and softening point blending method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85100586B (en) | 1986-12-03 |
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