CN104311838B - A kind of preparation method of emulsified wax - Google Patents
A kind of preparation method of emulsified wax Download PDFInfo
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- CN104311838B CN104311838B CN201410616251.2A CN201410616251A CN104311838B CN 104311838 B CN104311838 B CN 104311838B CN 201410616251 A CN201410616251 A CN 201410616251A CN 104311838 B CN104311838 B CN 104311838B
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Abstract
The invention discloses the preparation method of a kind of emulsified wax.Preparation method includes following step: Polyethylene Glycol and water are mixed to get Aqueous Solutions of Polyethylene Glycol by (1), and regulating its PH is 78, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；(2) paraffin is melted under conditions of 55 65 DEG C, add mixed solution A, ultrasonic reaction, obtain mixture B；(3) mixture B is warming up to 80 90 DEG C, in mixture B, adds emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax.The preparation method of the emulsified wax of the present invention is simple, easily operation, reacted under ultrasound condition by paraffin and mixed solution A, reaction is thoroughly, efficiency is high, mixed solution A can improve viscosity and the emulsifiability of paraffin, and emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate, and emulsifying effectiveness is good.
Description
Technical field
The present invention relates to the preparation method of a kind of emulsified wax, belong to industrial chemical technical field.
Background technology
Paraffin is one of solid crystal product of extracting from oil.Paraffin is a kind of fat hydrocarbon, is multiple Hydrocarbon, and i.e. the mixture of different molecular weight hydro carbons, is mainly made up of n-alkane, additionally contains some solid isoparaffins, cycloalkane and a small amount of aromatic hydrocarbons；It is characterized in direct or branched carbon chain, and containing n-alkane, general formula CnH2n+2, n are carbon atom in hydrocarbon chain (n=17～36).The molecule of wax crystal layer composition has the n that planar zigzag form conformation, molecular length and fusing point are solely dependent upon.Paraffin is white, translucent, tasteless, and the mixture of the solid composition of odorless, the relative molecular mass of solid carbon hydrogen compound is higher, distillation range 350～500 DEG C, and boiling point is 350～550 DEG C, density 0.86～0.94g/cm3, and molecular weight is 240～450.Paraffin has the good characteristics such as waterproof, moistureproof, preventing microorganism and antidecomposition, hypotoxicity, abnormal smells from the patient without exception and color, and there is the features such as good sealing, insulating properties, plasticity, lubricity and combustibility, have moistureproof, antirust, anti-aging, insulation, volatilization prevention are dried, anti-deformation, and burning and combustion-supporting, lubricate, bond, plastotype etc. acts on, purposes is extremely wide.At present, being paper products and manufacturing wax candle of large usage quantity, it is also used for the aspects such as rubber, match, weaving, waterproof cloth, medicine, school supply and stationery, wax polish, telecommunication material, timber processing, food, casting, antirust and lubrication.It is pointed out that the result of study of inventor shows, hard paraffin can also act as Spora Lygodii and the protection of Sanxing Pile unearthed ancient ivory relics, is a kind of historical relic's protection material with important application prospect.
On market, existing paraffin wax emulsions solid content is typically within 50%, its be substantially by Small molecular surfactant Stabilization formed, which results in performance the imperfection of existing paraffin wax emulsions, there is also some problems, such as: paraffin wax emulsion stability is bad, solid content is low, viscosity is big.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the preparation method of a kind of emulsified wax.
Technical scheme is as follows:
A kind of preparation method of emulsified wax, including following step:
(1) according to the ratio that weight ratio is 1:2, Polyethylene Glycol and water being mixed to get Aqueous Solutions of Polyethylene Glycol, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；
(2) being melted under conditions of 55-65 DEG C by paraffin, add mixed solution A, react 60-80min, reacted and obtained mixture B under ultrasound condition, wherein, the power of ultrasound wave is 400-450w；
(3) mixture B being warming up to 80-90 DEG C, add emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax in mixture B, wherein said emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate.
Described a kind of emulsified wax, is in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane be 30-35 part, sodium carboxymethyl cellulose be 20-30 part.
Described a kind of emulsified wax, paraffin is 2:1 with the weight ratio of mixed solution A.
Described a kind of emulsified wax, mixture B is 5:1 with the weight ratio of emulsifying agent.
Described a kind of emulsified wax, the parts by weight of each component of described emulsifying agent are respectively as follows: sodium stearate 15-22 part, dodecylbenzene sodium sulfonate 10-17 part and sorbitan monostearate 15-22 part.
Described a kind of emulsified wax, the weight ratio of sodium stearate and sorbitan monostearate is 1:1.
Beneficial effects of the present invention:
The preparation method of the emulsified wax of the present invention is simple, easily operation, reacted under ultrasound condition by paraffin and mixed solution A, reaction is thoroughly, efficiency is high, mixed solution A can improve viscosity and the emulsifiability of paraffin, and emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate, and emulsifying effectiveness is good；The emulsified wax stability prepared is high, good fluidity, and emulsified wax granule is little, and emulsified wax content is high, is widely used.
Detailed description of the invention
Embodiment 1
In the present embodiment, the preparation method of a kind of emulsified wax, including following step:
(1) according to the ratio that weight ratio is 1:2, Polyethylene Glycol and water being mixed to get Aqueous Solutions of Polyethylene Glycol, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；
(2) being melted under conditions of 65 DEG C by paraffin, add mixed solution A, react 60min, reacted and obtained mixture B under ultrasound condition, wherein, the power of ultrasound wave is 450w；
(3) mixture B being warming up to 90 DEG C, add emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax in mixture B, wherein said emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate.
Further, being in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane is 30 parts, sodium carboxymethyl cellulose is 30 parts.
Further, paraffin is 2:1 with the weight ratio of mixed solution A.
Further, mixture B is 5:1 with the weight ratio of emulsifying agent.
Further, the parts by weight of each component of described emulsifying agent are respectively as follows: sodium stearate 15 parts, dodecylbenzene sodium sulfonate 17 parts and sorbitan monostearate 15 parts.
Embodiment 2
In the present embodiment, the preparation method of a kind of emulsified wax, including following step:
(1) according to the ratio that weight ratio is 1:2, Polyethylene Glycol and water being mixed to get Aqueous Solutions of Polyethylene Glycol, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；
(2) being melted under conditions of 55 DEG C by paraffin, add mixed solution A, react 80min, reacted and obtained mixture B under ultrasound condition, wherein, the power of ultrasound wave is 400w；
(3) mixture B being warming up to 80 DEG C, add emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax in mixture B, wherein said emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate.
Further, being in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane is 35 parts, sodium carboxymethyl cellulose is 20 parts.
Further, paraffin is 2:1 with the weight ratio of mixed solution A.
Further, mixture B is 5:1 with the weight ratio of emulsifying agent.
Further, the parts by weight of each component of described emulsifying agent are respectively as follows: sodium stearate 22 parts, dodecylbenzene sodium sulfonate 10 parts and sorbitan monostearate 22 parts.
Embodiment 3
In the present embodiment, the preparation method of a kind of emulsified wax, including following step:
(1) according to the ratio that weight ratio is 1:2, Polyethylene Glycol and water being mixed to get Aqueous Solutions of Polyethylene Glycol, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；
(2) being melted under conditions of 60 DEG C by paraffin, add mixed solution A, react 70min, reacted and obtained mixture B under ultrasound condition, wherein, the power of ultrasound wave is 420w；
(3) mixture B being warming up to 85 DEG C, add emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax in mixture B, wherein said emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate.
Further, being in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane is 32 parts, sodium carboxymethyl cellulose is 26 parts.
Further, paraffin is 2:1 with the weight ratio of mixed solution A.
Further, mixture B is 5:1 with the weight ratio of emulsifying agent.
Further, the parts by weight of each component of described emulsifying agent are respectively as follows: sodium stearate 17 parts, dodecylbenzene sodium sulfonate 15 parts and sorbitan monostearate 17 parts.
Embodiment 4
In the present embodiment, the preparation method of a kind of emulsified wax, including following step:
(1) according to the ratio that weight ratio is 1:2, Polyethylene Glycol and water being mixed to get Aqueous Solutions of Polyethylene Glycol, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；
(2) being melted under conditions of 62 DEG C by paraffin, add mixed solution A, react 65min, reacted and obtained mixture B under ultrasound condition, wherein, the power of ultrasound wave is 410w；
(3) mixture B being warming up to 88 DEG C, add emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax in mixture B, wherein said emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate.
Further, being in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane is 33 parts, sodium carboxymethyl cellulose is 27 parts.
Further, paraffin is 2:1 with the weight ratio of mixed solution A.
Further, mixture B is 5:1 with the weight ratio of emulsifying agent.
Further, the parts by weight of each component of described emulsifying agent are respectively as follows: sodium stearate 18 parts, dodecylbenzene sodium sulfonate 12 parts and sorbitan monostearate 18 parts.
Embodiment 5
In the present embodiment, the preparation method of a kind of emulsified wax, including following step:
(1) according to the ratio that weight ratio is 1:2, Polyethylene Glycol and water being mixed to get Aqueous Solutions of Polyethylene Glycol, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and after sodium carboxymethyl cellulose fully dissolves, obtains mixed solution A；
(2) being melted under conditions of 55-65 DEG C by paraffin, add mixed solution A, react 60-80min, reacted and obtained mixture B under ultrasound condition, wherein, the power of ultrasound wave is 400-450w；
(3) mixture B being warming up to 80-90 DEG C, add emulsifying agent, be sufficiently stirred for reacting and i.e. can get emulsified wax in mixture B, wherein said emulsifying agent is the mixture of sodium stearate, dodecylbenzene sodium sulfonate and sorbitan monostearate.
Further, being in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane is 35 parts, sodium carboxymethyl cellulose is 23 parts.
Further, paraffin is 2:1 with the weight ratio of mixed solution A.
Further, mixture B is 5:1 with the weight ratio of emulsifying agent.
Further, the parts by weight of each component of described emulsifying agent are respectively as follows: sodium stearate 20 parts, dodecylbenzene sodium sulfonate 16 parts and sorbitan monostearate 20 parts.
Claims (6)
1. the preparation method of an emulsified wax, it is characterised in that include following step:
(1) Polyethylene Glycol and water are mixed to get poly-second two according to the ratio that weight ratio is 1:2
Alcohol-water solution, regulating its PH is 7-8, is then sequentially added into tetramethylolmethane and carboxymethyl cellulose
After element sodium fully dissolves, obtain mixed solution A；
(2) paraffin is melted under conditions of 55-65 DEG C, add mixed solution A, ultrasonic bar
Reacting 60-80min under part, reacted and obtained mixture B, wherein, the power of ultrasound wave is
400-450w；
(3) mixture B is warming up to 80-90 DEG C, in mixture B, adds emulsifying agent,
Being sufficiently stirred for reacting and i.e. obtain emulsified wax, wherein said emulsifying agent is sodium stearate, dodecane
Base benzene sulfonic acid sodium salt and the mixture of sorbitan monostearate.
The preparation method of a kind of emulsified wax the most according to claim 1, its feature exists
In, it is in terms of 100 parts by Aqueous Solutions of Polyethylene Glycol, described tetramethylolmethane is 30-35 part, carboxylic first
Base sodium cellulosate is 20-30 part.
The preparation method of a kind of emulsified wax the most according to claim 1, its feature exists
In, paraffin is 2:1 with the weight ratio of mixed solution A.
The preparation method of a kind of emulsified wax the most according to claim 1, its feature exists
In, mixture B is 5:1 with the weight ratio of emulsifying agent.
The preparation method of a kind of emulsified wax the most according to claim 1, its feature exists
In, the parts by weight of each component of described emulsifying agent be respectively as follows: sodium stearate 15-22 part, 12
Sodium alkyl benzene sulfonate 10-17 part and sorbitan monostearate 15-22 part.
The preparation method of a kind of emulsified wax the most according to claim 1, its feature exists
In, the weight ratio of sodium stearate and sorbitan monostearate is 1:1.
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| CN104311838B true CN104311838B (en) | 2016-09-21 |
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| CN104789263B (en) * | 2015-03-27 | 2016-12-07 | 辽宁科技大学 | A kind of multifunctional emulsified wax and preparation method thereof |
| CN105462270B (en) * | 2015-12-29 | 2017-09-26 | 中北大学 | Wax powder laser sintering and moulding part infiltration modified paraffin |
| CN110327840A (en) * | 2019-03-11 | 2019-10-15 | 湖北文理学院 | A kind of environment protection type paper compound emulsifying agent and preparation method thereof |
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