CN101391195A - Rosin graft copolymer dispersant and preparation technique and use thereof - Google Patents
Rosin graft copolymer dispersant and preparation technique and use thereof Download PDFInfo
- Publication number
- CN101391195A CN101391195A CNA2008102018076A CN200810201807A CN101391195A CN 101391195 A CN101391195 A CN 101391195A CN A2008102018076 A CNA2008102018076 A CN A2008102018076A CN 200810201807 A CN200810201807 A CN 200810201807A CN 101391195 A CN101391195 A CN 101391195A
- Authority
- CN
- China
- Prior art keywords
- rosin
- dispersant
- graft copolymer
- preparation
- parts
- 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
Abstract
The invention discloses a rosin graft polymer dispersing agent with high dispersion and stability, low preparation cost and environmental protection as well as a preparation process and applications thereof. The rosin graft polymer dispersing agent is prepared through free radical polymerization of acrylic acid, sodium styrene sulfonate and rosin derivative, the number average relative molecular weight of the rosin graft polymer is between 12000 and 14000, wherein, the rosin derivative is a composition of maleopimaric acid acyl chloride and 2-hydroxyethyl methacrylate. The dispersing agent has advantages of high thermal stability, good water solubility, excellent adaptability to alkali and good dispersion stability, and also has good dispersion effects to pesticide Aatrex water dispersible granules, and can be widely used in the pesticide, paint and other industries. In addition, the preparation process has the advantages of simple operation, short cycle, environmental protection and low cost, and is suitable for the industrial scale production.
Description
Technical field
The present invention relates to a kind of macromolecule dispersing agent and preparation technology and application, specifically, relates to a kind of rosin graft copolymer dispersant and preparation technology thereof and application.
Background technology
Dispersant is at pigment, dyestuff, and water-coal-slurry, industries such as agricultural chemicals all have important use, can make by dispersed substance to reach good dispersion effect and stability.But traditional little dispersal agent molecule is very infirm to the absorption of particle surface, causes reassembling or precipitating from surface desorption easily.Macromolecule dispersing agent relies on the sterically hindered and electrostatic repulsion effect of self can make system stable, and dispersion effect is more effective than little dispersal agent molecule.At present, the application of macromolecule dispersing agent more and more widely, its main application fields has the following aspects: 1) as the water body dirt dispersion agent; 2) as the cement admixture dispersant; 3) be used for the dispersant of oil and mining industry; 4) be used for the pigment dispersing agent of coating and printing ink; 5) be used for the manufacturing of engineering plastics; 6) be used for the synthetic of washing agent; 7) be used for ceramic making; 8) be used for the preparation of pesticide water dispersible granule.But existing macromolecule dispersing agent mostly is the homopolymers dispersant, has defectives such as undesirable or dispersion stabilization difference of dispersion effect or preparation cost are high or seriously polluted.
Summary of the invention
The objective of the invention is at above-mentioned existing in prior technology defective, a kind of have polymolecularity and stable, low rosin graft copolymer dispersant and preparation technology and the application that reaches environmental protection of preparation cost are provided.
For achieving the above object, the technical solution used in the present invention is as follows:
Rosin graft copolymer dispersant of the present invention, it is characterized in that: form by radical polymerization by acrylic acid, SSS and rosin derivative, the number average relative molecular weight of rosin graft copolymer is 12000～14000, and the monomer ratio of rosin graft copolymer is as follows:
Acrylic acid 30～55%
SSS 20～45%
Rosin derivative 5～30%
Above proportioning is a mass percent, and three's sum is 100%; Wherein rosin derivative is the synthetic of maleopimaric acid acyl chlorides and hydroxyethyl methacrylate.
The preparation technology of rosin graft copolymer dispersant of the present invention is as follows:
A) add deionized water, chain-transferring agent and rosin derivative, while stirring heating;
B) be raised to 70～90 ℃ when temperature, add acrylic acid, SSS and initator, insulation reaction 2～4 hours;
C) naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8;
D) liquid of preparation is put into vacuum drying oven in 70～90 ℃ of dryings, promptly get the target dispersant.
Described chain-transferring agent is a sodium hydrogensulfite, and consumption is 1～7% of a monomer gross mass.
Described initator is an ammonium persulfate, and consumption is 3～13% of a monomer gross mass.
Experiment shows: rosin graft copolymer dispersant of the present invention has good dispersion effect to agricultural chemicals Atrazine water dispersible granules, can be widely used in industries such as agricultural chemicals, coating.
Compared with prior art, beneficial effect of the present invention is as follows:
1) contain the hydroxy-acid group of functionalization because of acrylic acid, have better water solubility, therefore have better water solubility by its synthetic rosin graft copolymer dispersant, and to being provided good electrostatic repulsion stabilization by dispersed substance.
2) contain the sulfonic acid group of functionalization because of SSS, therefore by its synthetic rosin graft copolymer dispersant heat endurance height, good water solubility.
3) because of the pH of rosin graft copolymer dispersant of the present invention about 10, therefore dispersion stabilization is preferably arranged under alkali condition.
4) preparation technology of the present invention has short, environmental protection of simple to operate, cycle and advantage with low cost, is fit to industrial scale production.
The specific embodiment
The present invention is described in further detail and completely below in conjunction with embodiment:
Embodiment 1
1) preparation of rosin derivative monomer
In there-necked flask, add the maleopimaric acid acyl chlorides of 16.7 mass parts, the hydroxyethyl methacrylate (HEMA) of 5.4 mass parts, the pyridine of 3.2 mass parts, toluene and a small amount of hydroquinones of 70 mass parts, logical N
2Protect, be heated to 100 ℃, insulation reaction 48h; Reaction finishes, and washes 3 times, and pressure reducing and steaming toluene obtains rosin derivative monomer (MPAHEMA) then.
2) preparation of dispersant
200 parts of deionized waters, 1 part of chain-transferring agent sodium hydrogensulfite, 15 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 70 ℃, add 21.6 parts of acrylic acid, 20 parts of SSSs and 2.1 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
With described dispersant preparation Atrazine water dispersible granules, take by weighing this water dispersible granules of 1.0g then, transfer in the beaker, add 50ml distilled water, placed then 30 seconds, stirred 30 seconds with glass bar, water is transferred to suspension in the 100ml tool plug graduated cylinder in addition, and adding distil water makes suspension reach 100ml.In the jam-pack graduated cylinder, 1min tool plug graduated cylinder is turned upside down 30 times; Graduated cylinder is immersed in the water bath with thermostatic control to the 100ml graduation mark, and leaves standstill 30min, keep that temperature is 30 ℃ in the water bath with thermostatic control.Behind the 30min, shift out upper strata 90ml suspension, do not shake or stir the precipitum in the graduated cylinder, guarantee tip several millimeters places under liquid level always with suction pipe.It is m that remaining 10ml suspension and deposit are transferred to the quality of having weighed
1In the surface plate, and use the distilled water flushing graduated cylinder, guarantee that the precipitum in the graduated cylinder is all transferred in the surface plate, surface plate is put in the baking oven dried, and the m that weighs
2, the mass M (m of calculating insoluble matter
2-m
1), calculate suspensibility then.
Record by aforesaid operations: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 92.1%.
Embodiment 2
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 2.3 parts of chain-transferring agent sodium hydrogensulfites, 10 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 90 ℃, add 21.6 parts of acrylic acid, 20 parts of SSSs and 4.6 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 96.5%.
Embodiment 3
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 2.9 parts of chain-transferring agent sodium hydrogensulfites, 5 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 80 ℃, add 21.6 parts of acrylic acid, 20 parts of SSSs and 5.8 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 89.7%.
Embodiment 4
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 1.1 parts of chain-transferring agent sodium hydrogensulfites, 15 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 90 ℃, add 25.2 parts of acrylic acid, 20 parts of SSSs and 2.2 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 92.3%.
Embodiment 5
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 2.4 parts of chain-transferring agent sodium hydrogensulfites, 10 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 80 ℃, add 25.2 parts of acrylic acid, 20 parts of SSSs and 4.7 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 87.6%.
Embodiment 6
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 3 parts of chain-transferring agent sodium hydrogensulfites, 5 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 70 ℃, add 25.2 parts of acrylic acid, 20 parts of SSSs and 6 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 93.8%.
Embodiment 7
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 1.2 parts of chain-transferring agent sodium hydrogensulfites, 15 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 80 ℃, add 28.8 parts of acrylic acid, 20 parts of SSSs and 2.4 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 90.3%.
Embodiment 8
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 2.5 parts of chain-transferring agent sodium hydrogensulfites, 10 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 70 ℃, add 28.8 parts of acrylic acid, 20 parts of SSSs and 4.9 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 84.7%.
Embodiment 9
1) preparation of rosin derivative monomer
Described in embodiment 1.
2) preparation of dispersant
200 parts of deionized waters, 3.1 parts of chain-transferring agent sodium hydrogensulfites, 5 parts of rosin derivatives (MPAHEMA) are joined in the four-hole boiling flask, while stirring heating; When the temperature in the four-hole boiling flask is raised to 90 ℃, add 28.8 parts of acrylic acid, 20 parts of SSSs and 6.2 parts of initiator ammonium persulfates, insulation reaction 3 hours; Naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8; The liquid of preparation is put into vacuum drying oven in 70 ℃ of dryings, promptly get the target dispersant.
Adopting gel aqueous phase permeation chromatography (GPC), is the phase that flows with water, and Sodium Polyacrylate is made reference material, and the number average relative molecular weight that records prepared rosin graft copolymer dispersant is 12000～14000.
3) described dispersant is measured the dispersiveness of Atrazine water dispersible granules
Record by embodiment 1 described operation: the suspensibility with the Atrazine water dispersible granules of prepared dispersant preparation is 95.4%.
Claims (5)
1. rosin graft copolymer dispersant, it is characterized in that: form by radical polymerization by acrylic acid, SSS and rosin derivative, the number average relative molecular weight of rosin graft copolymer is 12000～14000, and the monomer ratio of rosin graft copolymer is as follows:
Acrylic acid 30～55%
SSS 20～45%
Rosin derivative 5～30%
Above proportioning is a mass percent, and three's sum is 100%; Wherein rosin derivative is the synthetic of maleopimaric acid acyl chlorides and hydroxyethyl methacrylate.
2. the preparation technology of the described rosin graft copolymer dispersant of claim 1 is characterized in that, concrete steps are as follows:
A) add deionized water, chain-transferring agent and rosin derivative, while stirring heating;
B) be raised to 70～90 ℃ when temperature, add acrylic acid, SSS and initator, insulation reaction 2～4 hours;
C) naturally cool to room temperature, with sodium hydrate aqueous solution adjust pH to 7～8;
D) liquid of preparation is put into vacuum drying oven in 70～90 ℃ of dryings, promptly get the target dispersant.
3. the preparation technology of rosin graft copolymer dispersant according to claim 2, it is characterized in that: described chain-transferring agent is a sodium hydrogensulfite, consumption is 1～7% of a monomer gross mass.
4. the preparation technology of rosin graft copolymer dispersant according to claim 2, it is characterized in that: described initator is an ammonium persulfate, consumption is 3～13% of a monomer gross mass.
5. the application of the described rosin graft copolymer dispersant of claim 1 is characterized in that: described dispersant is used for the dispersion to agricultural chemicals Atrazine water dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102018076A CN101391195A (en) | 2008-10-27 | 2008-10-27 | Rosin graft copolymer dispersant and preparation technique and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102018076A CN101391195A (en) | 2008-10-27 | 2008-10-27 | Rosin graft copolymer dispersant and preparation technique and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101391195A true CN101391195A (en) | 2009-03-25 |
Family
ID=40491826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102018076A Pending CN101391195A (en) | 2008-10-27 | 2008-10-27 | Rosin graft copolymer dispersant and preparation technique and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101391195A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864066A (en) * | 2010-06-11 | 2010-10-20 | 中国科学院长春应用化学研究所 | Rosin polyester resin elastomer and preparation method thereof |
| CN104084089A (en) * | 2014-07-25 | 2014-10-08 | 广西众昌树脂有限公司 | Preparation method of rosin emulsifying agent |
| CN104971661A (en) * | 2014-04-01 | 2015-10-14 | 上海是大高分子材料有限公司 | Carboxylate terpolymer dispersing agent and preparation process thereof |
| CN107177020A (en) * | 2017-04-24 | 2017-09-19 | 东莞市隆海新材料科技有限公司 | A kind of maleopimaric acid modified polyacrylate dispersant and preparation method thereof |
-
2008
- 2008-10-27 CN CNA2008102018076A patent/CN101391195A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864066A (en) * | 2010-06-11 | 2010-10-20 | 中国科学院长春应用化学研究所 | Rosin polyester resin elastomer and preparation method thereof |
| CN101864066B (en) * | 2010-06-11 | 2012-10-03 | 中国科学院长春应用化学研究所 | Rosin polyester resin elastomer and preparation method thereof |
| CN104971661A (en) * | 2014-04-01 | 2015-10-14 | 上海是大高分子材料有限公司 | Carboxylate terpolymer dispersing agent and preparation process thereof |
| CN104084089A (en) * | 2014-07-25 | 2014-10-08 | 广西众昌树脂有限公司 | Preparation method of rosin emulsifying agent |
| CN107177020A (en) * | 2017-04-24 | 2017-09-19 | 东莞市隆海新材料科技有限公司 | A kind of maleopimaric acid modified polyacrylate dispersant and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101391194B (en) | Terpolymer dispersants and preparation technique and use thereof | |
| CN102741305B (en) | Associative thickening agent made of acid monomers, associative monomers, and non-ionic monomers | |
| CN101186672B (en) | Water solution polymerization preparation method for dimethyl diallyl ammonium chloride and acrylamide copolymers | |
| CN103084119B (en) | Phosphorylated polymerization polymer dispersant and its preparation method | |
| CN102812096A (en) | Coating means comprising composite particles | |
| CN104725576A (en) | Carboxylate quadripolymer dispersant and preparation technology thereof | |
| CN101679536A (en) | Method for producing an aqueous polymerisate dispersion | |
| CN102076722A (en) | Paper coating agents containing metal salt pigments and aqueous dispersions of water-soluble copolymers | |
| CN101391195A (en) | Rosin graft copolymer dispersant and preparation technique and use thereof | |
| CN103205136A (en) | Dye monomer and preparation method and application thereof, and chromatic polymer emulsion and preparation method and application thereof | |
| CN102188929B (en) | Carboxylate terpolymer dispersing agent and preparation process thereof | |
| CN104704068A (en) | Aqueous coating composition with improved viscosity stability | |
| NO339483B1 (en) | Paint blend or paint base blend, process for preparation thereof, stabilizer blends and dispersions of solid particles. | |
| CN102585082A (en) | Methacrylic acid-styrene-hydroxyethyl acrylate copolymer dispersant and preparation method and application thereof | |
| CN104312548A (en) | Phosphorus-containing high-temperature-resistant drilling-fluid viscosity reducer and preparation method thereof | |
| CN102471421A (en) | Aqueous polymer dispersion and use thereof as binder for coating substrates | |
| CN101391193A (en) | Acrylics polymeric dispersant and preparation technique and use thereof | |
| CN104177560A (en) | Humic acid-based polymer as well as preparation method and application thereof | |
| CN103205202A (en) | Gradient function coating with surface tension changed in gradient way and preparation method thereof | |
| CN101481889A (en) | Coating dispersant for papermaking and preparation thereof | |
| CN108017163B (en) | The processing method of non-Phosphorus composite anti incrustation eorrosion snhibiter and its application and recirculated cooling water | |
| CN106582430A (en) | Novel carboxylate phosphate ternary polymerization dispersing agent and preparation process thereof | |
| CN106582438B (en) | A kind of multiple copolymer surfactant and its preparation process | |
| CN112920325A (en) | Dispersing agent and preparation method and application thereof | |
| CN104722241A (en) | Carboxylate-sulfonate terpolymer dispersant and preparation process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090325 |