CN106830377A - A kind of preparation method of antisludging agent - Google Patents
A kind of preparation method of antisludging agent Download PDFInfo
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- CN106830377A CN106830377A CN201710134536.6A CN201710134536A CN106830377A CN 106830377 A CN106830377 A CN 106830377A CN 201710134536 A CN201710134536 A CN 201710134536A CN 106830377 A CN106830377 A CN 106830377A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of preparation method of antisludging agent, compared with prior art, the present invention is not required to still further acid adding, acidic materials can be prevented effectively from corrosion is caused to equipment etc., chelation efficacy stabilization can prevent the metal ions such as iron, manganese from dirt is formed in membrane tube, suitable for various membrane tube materials, less developer saves dosing cost, it is obtained in that most economical scale inhibition control, scale prevention ability is strong, it is adaptable to various water quality, works well, the cleaning to film, prolonging service lifetime of film can be reduced.
Description
Technical field
The present invention relates to a kind of chemical agent technology of preparing, more particularly to a kind of preparation method of antisludging agent.
Background technology
Antisludging agent is with the slightly solubility inorganic salts in energy disperse water, inhibits or interferes with slightly solubility inorganic salts in metal surface
Precipitation, fouling function, and maintain the hardware to have a class medicament of good heat-transfer effect.In the prior art, antisludging agent
Preparation method is varied, in line with excelsior spirit, it is necessary to constantly be improved and innovated.
The content of the invention
The purpose of the present invention is that and provide a kind of preparation method of antisludging agent in order to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention is comprised the following steps：
(1) hyperbranched monomer N, the synthesis of N- dihydroxy ethyl maleamic acids：
(2) 95-105 parts of diethanol amine is added in a kettle., 40-45 DEG C is warming up to, and is slowly added to maleic anhydride 90-
100 parts, while open cycle water is lowered the temperature, about 1h is added, because exothermic heat of reaction, controlling reaction temperature is no more than 65 DEG C, otherwise easily
Production esterification products, add material and are reacted 1-1.5 hours at 60 DEG C, are subsequently adding 1-1.2 parts of solid super-strong acid, are warming up to 140-
145 DEG C, react the 1-1.5 hours hyperbranched monomer of generation
(3) 90 DEG C are cooled to, 400 parts of distilled water are added, stirring to molten state solid is dissolved completely in water, then by temperature
Degree control adds 30-50 part maleic anhydride at 78-82 DEG C, 3-6 parts of sodium pyrosulfite, 1-2 parts of mass concentration be 30% pair
Oxygen water；
(4) while adding 55-100 parts of acrylic acid, 10-25 parts of acrylamide, 12-20 parts of metering system in head tank 1
Acid and 100-150 parts of water, to 100 parts of water are added in head tank 2, add 5-10 parts of sodium peroxydisulfate, while being added dropwise in reactor
Material in head tank 1 and 2, adds for about 2 hours, adds and react again 2-4 hours, is then cooled to 40 DEG C or so, adds quality
Concentration be 30% sodium hydroxide solution in and pH value to 5.5-6.5, add the sodium of 1-3 imido grpups butanedioic acid four, add water tune
Section mass concentration value 35% or so, obtains product.
The beneficial effects of the present invention are：
The present invention is a kind of preparation method of antisludging agent, and compared with prior art, the present invention is not required to still further acid adding, can have
Effect avoids acidic materials that corrosion is caused to equipment etc., and chelation efficacy stabilization can prevent the metal ions such as iron, manganese from being formed in membrane tube
Dirt, it is adaptable to various membrane tube materials, less developer saves dosing cost, is obtained in that most economical scale inhibition control, scale inhibition energy
Power is strong, it is adaptable to various water quality, works well, and can reduce the cleaning to film, prolonging service lifetime of film.
Specific embodiment
The invention will be further described below：
The present invention is comprised the following steps：
(1) hyperbranched monomer N, the synthesis of N- dihydroxy ethyl maleamic acids：
(2) 95-105 parts of diethanol amine is added in a kettle., 40-45 DEG C is warming up to, and is slowly added to maleic anhydride 90-
100 parts, while open cycle water is lowered the temperature, about 1h is added, because exothermic heat of reaction, controlling reaction temperature is no more than 65 DEG C, otherwise easily
Production esterification products, add material and are reacted 1-1.5 hours at 60 DEG C, are subsequently adding 1-1.2 parts of solid super-strong acid, are warming up to 140-
145 DEG C, (common methods use p-methyl benzenesulfonic acid, react 4-5 hours within 1-1.5 hours for reaction.Can be accelerated using solid super-strong acid
Reaction speed, is also easy to reclaim and reuses) the hyperbranched monomer of generation
(3) 90 DEG C are cooled to, 400 parts of distilled water are added, stirring to molten state solid is dissolved completely in water, then by temperature
Degree control adds 30-50 part maleic anhydride at 78-82 DEG C, 3-6 parts of sodium pyrosulfite, 1-2 parts of mass concentration be 30% pair
Oxygen water；
(4) while adding 55-100 parts of acrylic acid, 10-25 parts of acrylamide, 12-20 parts of metering system in head tank 1
Acid and 100-150 parts of water, to 100 parts of water are added in head tank 2, add 5-10 parts of sodium peroxydisulfate, while being added dropwise in reactor
Material in head tank 1 and 2, adds for about 2 hours, adds and react again 2-4 hours, is then cooled to 40 DEG C or so, adds quality
Concentration be 30% sodium hydroxide solution in and pH value to 5.5-6.5, add the sodium of 1-3 imido grpups butanedioic acid four, add water tune
Section mass concentration value 35% or so, obtains product.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (1)
1. a kind of preparation method of antisludging agent, it is characterised in that comprise the following steps：
(1) hyperbranched monomer N, the synthesis of N- dihydroxy ethyl maleamic acids：
(2) 95-105 parts of diethanol amine is added in a kettle., 40-45 DEG C is warming up to, and is slowly added to maleic anhydride 90-100 parts,
Open cycle water cooling simultaneously, about 1h is added, because exothermic heat of reaction, controlling reaction temperature is no more than 65 DEG C, otherwise easily produces ester
Change product, add material and reacted 1-1.5 hours at 60 DEG C, be subsequently adding 1-1.2 parts of solid super-strong acid, be warming up to 140-145 DEG C,
The 1-1.5 hours hyperbranched monomer of generation of reaction
(3) 90 DEG C are cooled to, 400 parts of distilled water are added, stirring to molten state solid is dissolved completely in water, then by temperature control
System adds 30-50 parts of maleic anhydride at 78-82 DEG C, 3-6 parts of sodium pyrosulfite, and 1-2 parts of mass concentration is 30% dioxygen
Water；
(4) while adding 55-100 part acrylic acid in head tank 1,10-25 parts of acrylamide, 12-20 parts of methacrylic acid with
100-150 parts of water, to 100 parts of water are added in head tank 2, adds 5-10 parts of sodium peroxydisulfate, while high-order to being added dropwise in reactor
Material in groove 1 and 2, adds for about 2 hours, adds and react again 2-4 hours, is then cooled to 40 DEG C or so, adds mass concentration
In 30% sodium hydroxide solution and pH value is to 5.5-6.5, to add the sodium of 1-3 imido grpups butanedioic acid four, water regulation matter is added
Amount concentration value 35% or so, obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134536.6A CN106830377A (en) | 2017-03-08 | 2017-03-08 | A kind of preparation method of antisludging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134536.6A CN106830377A (en) | 2017-03-08 | 2017-03-08 | A kind of preparation method of antisludging agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106830377A true CN106830377A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710134536.6A Pending CN106830377A (en) | 2017-03-08 | 2017-03-08 | A kind of preparation method of antisludging agent |
Country Status (1)
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| CN (1) | CN106830377A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144551A (en) * | 2017-12-22 | 2018-06-12 | 长江大学 | A kind of polymerizable hyperbranched surfactant and preparation method |
| CN117447633A (en) * | 2023-12-21 | 2024-01-26 | 碧泽生态环保材料(山东)有限公司 | Circulating water scale inhibitor and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041516A (en) * | 2007-03-16 | 2007-09-26 | 湖北省化学研究院 | Preparation method for highly effective maleic anhydride series polymer antisludging agent |
| CN101254413A (en) * | 2007-12-13 | 2008-09-03 | 河北盛华化工有限公司 | Scale inhibitor and preparation for reverse osmosis membrane |
| CN102730850A (en) * | 2012-07-11 | 2012-10-17 | 成都润兴消毒药业有限公司 | Environment-friendly water treatment corrosion and scale inhibitor and preparation method thereof |
| CN102745824A (en) * | 2012-07-11 | 2012-10-24 | 成都润兴消毒药业有限公司 | Environment-friendly type water-processing corrosion and scale inhibitor and preparation method thereof |
| CN104258735A (en) * | 2014-10-16 | 2015-01-07 | 山东天庆科技发展有限公司 | Reverse osmosis membrane scale inhibitor and preparation method thereof |
-
2017
- 2017-03-08 CN CN201710134536.6A patent/CN106830377A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041516A (en) * | 2007-03-16 | 2007-09-26 | 湖北省化学研究院 | Preparation method for highly effective maleic anhydride series polymer antisludging agent |
| CN101254413A (en) * | 2007-12-13 | 2008-09-03 | 河北盛华化工有限公司 | Scale inhibitor and preparation for reverse osmosis membrane |
| CN102730850A (en) * | 2012-07-11 | 2012-10-17 | 成都润兴消毒药业有限公司 | Environment-friendly water treatment corrosion and scale inhibitor and preparation method thereof |
| CN102745824A (en) * | 2012-07-11 | 2012-10-24 | 成都润兴消毒药业有限公司 | Environment-friendly type water-processing corrosion and scale inhibitor and preparation method thereof |
| CN104258735A (en) * | 2014-10-16 | 2015-01-07 | 山东天庆科技发展有限公司 | Reverse osmosis membrane scale inhibitor and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 宋伟强等: "顺丁烯二酸酐与二乙醇胺合成的超支化不饱和聚合物的聚合机理", 《郑州大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144551A (en) * | 2017-12-22 | 2018-06-12 | 长江大学 | A kind of polymerizable hyperbranched surfactant and preparation method |
| CN117447633A (en) * | 2023-12-21 | 2024-01-26 | 碧泽生态环保材料(山东)有限公司 | Circulating water scale inhibitor and preparation method thereof |
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Application publication date: 20170613 |