CN109554214A - A kind of stearic acid dispersion liquid and preparation method thereof - Google Patents
A kind of stearic acid dispersion liquid and preparation method thereof Download PDFInfo
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- CN109554214A CN109554214A CN201811519804.7A CN201811519804A CN109554214A CN 109554214 A CN109554214 A CN 109554214A CN 201811519804 A CN201811519804 A CN 201811519804A CN 109554214 A CN109554214 A CN 109554214A
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- stearic acid
- dispersion liquid
- acid dispersion
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Colloid Chemistry (AREA)
Abstract
The invention discloses a kind of stearic acid dispersion liquids, are mainly prepared by stearic acid, dispersing agent, emulsifier, defoaming agent, stabilizer and water, each group distribution ratio are as follows: 20-60 parts of stearic acid, 3-5 parts of emulsifier, 1-2 parts of dispersing agent, 0.5-1 parts of stabilizer, 0.5-1 parts of defoaming agent, 150-200 parts of water.The invention also discloses a kind of preparation methods of stearic acid dispersion liquid.Stearic acid dispersion liquid of the invention, particle diameter distribution is uniform, and viscosity is small, can prolonged storage-stable, lubricant effect is excellent；Preparation method is simple, is suitble to industrial production, and the stearic acid dispersion liquid of preparation contains height admittedly.
Description
Technical field
The present invention relates to a kind of dispersion liquid and preparation method thereof more particularly to a kind of stearic acid dispersion liquid and its preparation sides
Method.
Background technique
Stearic acid has been widely used in the fields such as chemical industry, food, medicine, new material tool, can be used as vulcanization of rubber promotion
Agent, interleaving agent, release agent, softening agent, polishing agent, metalliferous mineral flotation agent etc..Stearic lipophilicity is extremely strong, is hardly formed steady
Fixed oil-in-water emulsion, stearic acid is mostly graininess and flaky crystal body in the market, when use need to use organic solvent by its
It is dispersed in application system, harm will cause to environment.Stearic acid Water-borne modification can not only be widened to its application range, enhance it
Application effect can also reduce pollution.
Patent CN103057005A discloses a kind of stearic acid aqueous liquid dispersion and preparation method thereof, uses to lotion height
Speed shearing and superfine grinding means realize stearic Water-borne modification, but process conditions require high, and production equipment is at high cost,
It is unfavorable for industrialized production.In " fine chemistry industry " term, yellow will honor etc. uses phase inversion technique, by ammoniation modified self-emulsifying and
Applying surface activating agent has carried out Water-borne modification to stearic acid, can obtain the preferably aqueous stearic acid of stability.But work as stearic acid
Mass fraction is more than after 15%, and system viscosity sharply increases.
To sum up, the existing generally existing following problems of stearic acid dispersion liquid: 1 in the market stearic acid be mostly graininess and sheet knot
Crystal, when use, need to use organic solvent and are dispersed in application system, will cause harm to environment；2. preparing stearic acid
The process conditions of dispersion liquid require height, and production equipment is at high cost, is unfavorable for industrialized production；3. when stearic acid mass fraction is more than
After 15%, system viscosity is sharply increased.
Therefore, for existing stearic acid dispersion liquid, stearic acid is mostly graininess and flaky crystal body in the market, and when use needs
It uses organic solvent to be dispersed in application system, the technique item that will cause harm to environment, prepare stearic acid dispersion liquid
Part requires height, and production equipment is at high cost, is unfavorable for industrialized production and after stearic acid mass fraction is more than 15%, system is viscous
The problems such as degree sharply increases, becomes those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The present invention is to solve drawbacks described above in the prior art, provides a kind of stearic acid dispersion liquid and preparation method thereof, adopts
The stearic acid dispersion liquid prepared by this method contains height admittedly, and viscosity is low, excellent in stability, and application effect of products is ideal.
To achieve the above object, the invention adopts the following technical scheme:
There is provided a kind of stearic acid dispersion liquid, component proportions for the first aspect of the invention are as follows:
Further, the emulsifier is fatty acid methyl ester sodium sulfonate of ethoxylated, fatty alcohol polyoxyethylene ether sulfo group
Monomester succinate disodium salt, alkylaryl sulfonates, nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyoxyethylene lose
Water sorbitol monooleate, polyoxyethylene 20 sorbitan monostearate, sorbitan monooleate, anhydrous sorbitol list
The combination of one or more of stearate.
Further, the dispersing agent is Sodium Polyacrylate, in sodium tripolyphosphate, calgon, sodium pyrophosphate, urea
One or more combination.
Further, the stabilizer is one or more of polyvinyl alcohol, polyacrylamide, sodium carboxymethylcellulose
Combination.
Further, the defoaming agent is dimethyl silicone polymer, silicone emulsion, one in polyether siloxane copolymers
Kind or several combinations.
There is provided a kind of preparation methods of stearic acid dispersion liquid for the second aspect of the invention, comprising the following steps:
(1) stearic acid is added in reaction vessel by weight ratio, is heated to the stearic acid and all melts；
(2) emulsifier, dispersing agent and stabilizer are dissolved in deionized water, are sufficiently stirred and are prepared into emulsified dispersed liquid, and
It is preheated to 70 DEG C, it is spare；
(3) reaction vessel being under stiring slowly added into emulsified dispersed liquid obtained in step (2) in step (1)
In, half defoaming agent is added in high speed shear afterwards for a period of time, and discharging, by homogenizer, after rapid cooling, is added with certain pressure
The other half defoaming agent is to get stearic acid dispersion liquid.
Further, emulsified dispersed liquid described in step (3) is added to the time control of reaction vessel in 15-20min, height
Fast stirring rate is 3000-5000r/min.
Further, pass through homogenizer under 20MPa and 30MPa pressure after discharging in step (3).
Further, defoaming agent described in half is added after step (3) high speed shearing 20-40min.
The third aspect of the invention is to provide a kind of stearic acid dispersion liquid and is being used as lubricant, rubber plastic industry
Release agent, heat stabilizer, the application in waterproofing agent.
The present invention by adopting the above technical scheme, compared with prior art, has the following technical effect that
The stearic acid dispersion liquid of the method for the present invention preparation, viscosity is small, and particle diameter distribution is uniform, and emulsion system is stablized, not retrogradation,
It is not stratified, have a wide range of application, may be used as release agent, heat stabilizer, waterproofing agent, lubricant；And stearic acid dispersion liquid of the present invention
Preparation method, process equipment is simple, operate it is convenient, prepared stearic acid dispersion liquid contains height admittedly, and average grain diameter is small, viscosity
It is low.
Specific embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
Embodiment 1
The present embodiment provides a kind of stearic acid dispersion liquid, component proportions are as follows:
Above-mentioned formula carries out preparing material according to the following steps:
(1) stearic acid is added in reaction vessel by weight ratio, is heated to stearic acid and all melts；
(2) emulsifier, dispersing agent and stabilizer are dissolved in deionized water, are sufficiently stirred and are prepared into emulsified dispersed liquid, and
It is preheated to 70 DEG C, it is spare；
(3) reaction vessel being under stiring slowly added into emulsified dispersed liquid obtained in step (2) in step (1)
In, half defoaming agent is added after high speed shear 30min, discharging respectively passes through homogenizer, fast quickly cooling with the pressure of 20Mpa and 30Mpa
But after, the other half defoaming agent is added to get the stearic acid dispersion liquid of 30% solid content.
Embodiment 2
The embodiment of the present invention provides a kind of stearic acid dispersion liquid, component proportion are as follows:
Above-mentioned formula carries out preparing material according to the following steps:
(1) stearic acid is added in reaction vessel by weight ratio, is heated to stearic acid and all melts；
(2) emulsifier, dispersing agent and stabilizer are dissolved in deionized water, are sufficiently stirred and are prepared into emulsified dispersed liquid, and
It is preheated to 70 DEG C, it is spare；
(3) reaction vessel being under stiring slowly added into emulsified dispersed liquid obtained in step (2) in step (1)
In, half defoaming agent is added after high speed shear 30min, discharging respectively passes through homogenizer, fast quickly cooling with the pressure of 20Mpa and 30Mpa
But after, the other half defoaming agent is added to get stearic acid dispersion liquid.
Embodiment 3
The embodiment of the present invention provides a kind of stearic acid dispersion liquid, component proportion are as follows:
Above-mentioned formula carries out preparing material according to the following steps:
(1) stearic acid is added in reaction vessel by weight ratio, is heated to stearic acid and all melts；
(2) emulsifier, dispersing agent and stabilizer are dissolved in deionized water, are sufficiently stirred and are prepared into emulsified dispersed liquid, and
It is preheated to 70 DEG C, it is spare；
(3) reaction vessel being under stiring slowly added into emulsified dispersed liquid obtained in step (2) in step (1)
In, half defoaming agent is added after high speed shear 30min, discharging respectively passes through homogenizer, fast quickly cooling with the pressure of 20Mpa and 30Mpa
But after, the other half defoaming agent is added to get stearic acid dispersion liquid.
For existing stearic acid dispersion liquid, stearic acid is mostly graininess and flaky crystal body to the present invention in the market, and when use needs
It uses organic solvent to be dispersed in application system, the technique item that will cause harm to environment, prepare stearic acid dispersion liquid
Part requires height, and production equipment is at high cost, is unfavorable for industrialized production and after stearic acid mass fraction is more than 15%, system is viscous
The problems such as degree sharply increases, stearic acid dispersion liquid prepared by the present invention, viscosity is small, and particle diameter distribution is uniform, and emulsion system is stablized, no
Retrogradation, it is not stratified, have a wide range of application, may be used as release agent, heat stabilizer, waterproofing agent, lubricant.Stearic acid dispersion of the present invention
The preparation method of liquid, process equipment is simple, and it is convenient to operate, and prepared stearic acid dispersion liquid contains height admittedly, and average grain diameter is small, viscosity
It is low.
The specific embodiment of this practical stearic acid dispersion liquid and preparation method thereof is described in detail above, but it is only
It is as example, the present invention is not restricted to particular embodiments described above.To those skilled in the art, any right
The equivalent modifications and substitution that the present invention carries out are also all among scope of the invention.Therefore, do not depart from spirit of the invention and
Made equal transformation and modification, all should be contained within the scope of the invention under range.
Claims (9)
1. a kind of stearic acid dispersion liquid, which is characterized in that its component proportion are as follows:
2. stearic acid dispersion liquid according to claim 1, which is characterized in that the emulsifier is fatty acid methyl ester polyoxy second
Alkene ether sulfonic acid sodium, disodium alkyl polyoxyethylene sulfosuccinate, alkylaryl sulfonates, Nonyl pheno
Ether, fatty alcohol polyoxyethylene ether, polyoxyethylene 20 sorbitan monooleate, polyoxyethylene 20 sorbitan monostearate,
The combination of one or more of sorbitan monooleate, sorbitan monostearate.
3. stearic acid dispersion liquid according to claim 1, which is characterized in that the dispersing agent is Sodium Polyacrylate, trimerization
The combination of one or more of sodium phosphate, calgon, sodium pyrophosphate, urea.
4. stearic acid dispersion liquid according to claim 1, which is characterized in that the stabilizer is polyvinyl alcohol, polypropylene
The combination of one or more of amide, sodium carboxymethylcellulose.
5. stearic acid dispersion liquid according to claim 1, which is characterized in that the defoaming agent be dimethyl silicone polymer,
The combination of one or more of silicone emulsion, polyether siloxane copolymers.
6. a kind of preparation method of the stearic acid dispersion liquid as described in claim any one of 1-5, which is characterized in that including following step
It is rapid:
(1) stearic acid is added in reaction vessel by weight ratio, is heated to stearic acid and all melts；
(2) emulsifier, dispersing agent and stabilizer are dissolved in deionized water, are sufficiently stirred and are prepared into emulsified dispersed liquid, and preheats
It is spare to 70 DEG C；
(3) emulsified dispersed liquid that step (2) obtains is slowly added into the reaction vessel in step (1) under stiring, high speed
Half defoaming agent is added after shearing a period of time, discharging, by homogenizer, after rapid cooling, is added the other half and disappeared with certain pressure
Infusion is to get stearic acid dispersion liquid.
7. the preparation method of stearic acid dispersion liquid according to claim 6, which is characterized in that emulsified described in step (3)
Dispersion liquid is added to the time control of reaction vessel in 15-20min, and high-speed stirred rate is 3000-5000r/min.
8. the preparation method of stearic acid dispersion liquid according to claim 6, which is characterized in that in step (3) after discharging
Pass through homogenizer under 20MPa and 30MPa pressure.
9. the preparation method of stearic acid dispersion liquid according to claim 6, which is characterized in that the shearing of step (3) high speed
Defoaming agent described in half is added after 20-40min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519804.7A CN109554214A (en) | 2018-12-12 | 2018-12-12 | A kind of stearic acid dispersion liquid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519804.7A CN109554214A (en) | 2018-12-12 | 2018-12-12 | A kind of stearic acid dispersion liquid and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109554214A true CN109554214A (en) | 2019-04-02 |
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| CN201811519804.7A Pending CN109554214A (en) | 2018-12-12 | 2018-12-12 | A kind of stearic acid dispersion liquid and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786342A (en) * | 2019-11-19 | 2020-02-14 | 武汉市农业科学院 | High-resistance day lily disease and insect pest preparation and preparation method thereof |
| CN112537919A (en) * | 2020-12-03 | 2021-03-23 | 刘翠芬 | Improved preparation process of fatty acid liquid waterproof agent |
| CN113652283A (en) * | 2021-08-25 | 2021-11-16 | 郑州市仲达新材料科技有限公司 | Aqueous behenamide emulsion and preparation method thereof |
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| CN101864699A (en) * | 2010-06-29 | 2010-10-20 | 上海东升新材料有限公司 | Method for preparing calcium stearate lubricant for papermaking |
| CN102363936A (en) * | 2011-06-30 | 2012-02-29 | 上海东升新材料有限公司 | Papermaking dispersed lubricating agent and preparation method and application thereof |
| CN102828440A (en) * | 2012-08-24 | 2012-12-19 | 浙江和新科技有限公司 | Calcium stearate dispersing liquid for papermaking and preparation method thereof |
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2018
- 2018-12-12 CN CN201811519804.7A patent/CN109554214A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101864699A (en) * | 2010-06-29 | 2010-10-20 | 上海东升新材料有限公司 | Method for preparing calcium stearate lubricant for papermaking |
| CN102363936A (en) * | 2011-06-30 | 2012-02-29 | 上海东升新材料有限公司 | Papermaking dispersed lubricating agent and preparation method and application thereof |
| CN102828440A (en) * | 2012-08-24 | 2012-12-19 | 浙江和新科技有限公司 | Calcium stearate dispersing liquid for papermaking and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786342A (en) * | 2019-11-19 | 2020-02-14 | 武汉市农业科学院 | High-resistance day lily disease and insect pest preparation and preparation method thereof |
| CN112537919A (en) * | 2020-12-03 | 2021-03-23 | 刘翠芬 | Improved preparation process of fatty acid liquid waterproof agent |
| CN113652283A (en) * | 2021-08-25 | 2021-11-16 | 郑州市仲达新材料科技有限公司 | Aqueous behenamide emulsion and preparation method thereof |
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