CN107057072A - A kind of preparation method for saving composite dispersing agent - Google Patents
A kind of preparation method for saving composite dispersing agent Download PDFInfo
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- CN107057072A CN107057072A CN201710199008.9A CN201710199008A CN107057072A CN 107057072 A CN107057072 A CN 107057072A CN 201710199008 A CN201710199008 A CN 201710199008A CN 107057072 A CN107057072 A CN 107057072A
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
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Abstract
The present invention provides a kind of preparation method for saving composite dispersing agent, comprises the following steps：A, polycarboxylate dispersant and sulfonated acetone formaldehyde condensation products dispersant pressed 1:2‑3:4 ratio of weight and number mixing, and dissolved with the water of 5 15 parts by weight, the mixture A of system；B, the 2 4% persulfuric acid salt initiator for adding mixture A weight, add the water dissolving of 5 10 parts by weight, obtain mixture B；C, take the inorganic dispersant of 35 parts by weight to convert the water of 24 parts by weight again to stir, EDTA is added afterwards and is heated at 80 DEG C, until being completely dissolved, mixture C is obtained；D, 57 parts of organic dispersing agents are taken to be added in mixture C again, side stirring just adds alkali lye, and regulation Ph value >=8.5 obtain mixture D；E, finally mixture A, mixture B and mixture D be mixed to join in reactor, heated at 100 120 DEG C, carry out polymerisation, the reaction time is in 4 6h.The very scattered excellent effect of composite dispersing agent of the present invention, manufacturing process energy-saving and emission-reduction.
Description
Technical field
The invention belongs to chemical industry manufacture technology field, and in particular to a kind of preparation method of energy-conservation composite dispersing agent.
Background technology
In the industry dispersed paste such as weaving, papermaking, coating, the use of dispersant is just very universal, point used at present
Powder generally comprises organic dispersing agent and inorganic dispersant, inorganic dispersant such as sodium tripolyphosphate, calgon dispersant, its
Dispersibility is strong but storage stability is poor, and organic dispersing agent is higher due to its molecular mass, so dispersibility is slightly worse, particularly
To inorganic color stuffing etc., but its storage stability is preferable.If so there is favorable dispersibility, and storage stability by force scattered
Agent will fill up the blank in market, improve market dispersant product, and special functional form raw material is provided for inorganic slurry class product.
Dispersant of the prior art, which is not only unable to reach dispersive property, that by force energy storage time is long, and market
Upper universal dispersant preparation method is complicated, and flow is cumbersome, takes material, energy resource consumption is not directly proportional to value, dispersant
It is of low quality, it is therefore desirable to a kind of more preferable dispersant and its preparation method, the deficiencies in the prior art are helped improve, nature is saved
Resource.
The content of the invention
It is an object of the invention to provide a kind of preparation method for saving composite dispersing agent, composite dispersing agent of the invention is very scattered
Excellent effect, manufacturing process energy-saving and emission-reduction.
The invention provides following technical scheme：
A kind of preparation method for saving composite dispersing agent, comprises the following steps：
A, polycarboxylate dispersant and sulfonated acetone-formaldehyde condensation products dispersant pressed 1:2-3:4 ratio of weight and number mixing, is used in combination
The water dissolving of 5-15 parts by weight, the mixture A of system；
B, the 2-4% of addition mixture A weight persulfuric acid salt initiator, add the water dissolving of 5-10 parts by weight, are mixed
Compound B；
C, take the inorganic dispersant of 3-5 parts by weight to convert the water of 2-4 parts by weight to stir, EDTA is added afterwards and at 80 DEG C plus
Heat, until being completely dissolved, obtains mixture C；
D, 5-7 parts of organic dispersing agents are taken to be added in mixture C, side stirring just adds alkali lye, adjusts pH value >=8.5, is mixed
Compound D；
E, mixture A, mixture B and mixture D be mixed to join in reactor, heat, polymerize at 100-120 DEG C
Reaction, the reaction time is in 4-6h；
F, it is cooled to normal temperature, you can obtain composite dispersing agent finished product.
It is preferred that, the persulfuric acid salt initiator in the step b is sodium peroxydisulfate, and the initiator is with low cost, but property
Can be good, and material source is extensive, it is easy to prepare.
It is preferred that, the inorganic dispersant of the step c is sodium tripolyphosphate or calgon, and the composition is inexpensively easily obtained
, in the market is relatively conventional, therefore can reduce preparation cost.
It is preferred that, the step c is heated to the transparent stopping heating for the moment of solution, advantageously reduces the waste of resource, carries
The utilization rate of high material.
It is preferred that, the organic dispersing agent of the step d is sodium polymethacrylate dipersant, the composition easily obtain and into
This is low.
It is preferred that, the alkali lye of the step d is sodium hydroxide solution or ammoniacal liquor, and the cost of material is low, and does not interfere with composition
Property, it is easy to adjust pH value.
It is preferred that, the concentration of the organic dispersing agent is 25-35%.
It is preferred that, the pH value of pH adjusting agent regulation reactant is added in the polymerization process of the step e in 5-7, can
To improve the quality of finished product.
The beneficial effects of the invention are as follows：
Several dispersants added in the present invention, after a series of preparations, remain advantage, are integrated in one, this hair for being
The dispersant of bright product quality more in the market is excellent, can be drawn from experimental data.
The preparation method of the present invention is simple and safe, reduces the expenditure of manual labor, and does not have in preparation process
Secondary pollution, does not result in environmental pollution, and the dispersant is nontoxic under normal conditions, does not result in danger.
The very scattered excellent effect of composite dispersing agent of the present invention, manufacturing process energy-saving and emission-reduction, preparation method is simple, easily big rule
Mould is produced, and equipment investment is few, economically feasible, and raw materials consumption is few, cost-effective.
Embodiment
Embodiment 1
A kind of preparation method for saving composite dispersing agent, comprises the following steps：
A, polycarboxylate dispersant and sulfonated acetone-formaldehyde condensation products dispersant pressed 3:4 ratio of weight and number mixing, and use 15 weights
Measure the water dissolving of part, the mixture A of system；
B, the 4% persulfuric acid salt initiator for adding mixture A weight, add the water dissolving of 10 parts by weight, obtain mixture
B；
C, take the inorganic dispersant of 5 parts by weight to convert the water of 4 parts by weight to stir, EDTA is added afterwards and is heated at 80 DEG C,
Until being completely dissolved, mixture C is obtained；
D, 7 parts of organic dispersing agents are taken to be added in mixture C, side stirring just adds alkali lye, adjusts pH value >=8.5, is mixed
Thing D；
E, mixture A, mixture B and mixture D be mixed to join in reactor, heated at 120 DEG C, progress polymerize anti-
Should, the reaction time is in 6h；
F, it is cooled to normal temperature, you can obtain composite dispersing agent finished product.
Persulfuric acid salt initiator in step b is sodium peroxydisulfate, and the initiator is with low cost but functional, and material
Expect wide material sources, it is easy to prepare.
Step c inorganic dispersant is calgon, and the composition is inexpensively easily obtained, and in the market is relatively conventional, therefore can
Cost is prepared to reduce.
Step c is heated to the transparent stopping heating for the moment of solution, advantageously reduces the waste of resource, improves the utilization of material
Rate.
Step d organic dispersing agent is sodium polymethacrylate dipersant, and the composition is easily obtained and cost is low.
Step d alkali lye is sodium hydroxide solution, and the cost of material is low, and does not interfere with the property of composition, it is easy to adjusts pH
Value.
The concentration of organic dispersing agent is 35%.
The pH value of pH adjusting agent regulation reactant is added in step e polymerization process 7, the matter of finished product can be improved
Amount.
Embodiment 2
A kind of preparation method for saving composite dispersing agent, comprises the following steps：
A, polycarboxylate dispersant and sulfonated acetone-formaldehyde condensation products dispersant pressed 1:2 ratio of weight and number mixing, and use 5 weights
Measure the water dissolving of part, the mixture A of system；
B, the 2% persulfuric acid salt initiator for adding mixture A weight, add the water dissolving of 5 parts by weight, obtain mixture
B；
C, take the inorganic dispersant of 3 parts by weight to convert the water of 2 parts by weight to stir, EDTA is added afterwards and is heated at 80 DEG C,
Until being completely dissolved, mixture C is obtained；
D, 5 parts of organic dispersing agents are taken to be added in mixture C, side stirring just adds alkali lye, adjusts pH value >=8.5, is mixed
Thing D；
E, mixture A, mixture B and mixture D be mixed to join in reactor, heated at 100 DEG C, progress polymerize anti-
Should, the reaction time is in 4h；
F, it is cooled to normal temperature, you can obtain composite dispersing agent finished product.
Persulfuric acid salt initiator in step b is sodium peroxydisulfate, and the initiator is with low cost but functional, and material
Expect wide material sources, it is easy to prepare.
Step c inorganic dispersant is sodium tripolyphosphate, and the composition is inexpensively easily obtained, and in the market is relatively conventional, therefore can
Cost is prepared to reduce.
Step c is heated to the transparent stopping heating for the moment of solution, advantageously reduces the waste of resource, improves the utilization of material
Rate.
Step d organic dispersing agent is sodium polymethacrylate dipersant, and the composition is easily obtained and cost is low.
Step d alkali lye is ammoniacal liquor, and the cost of material is low, and does not interfere with the property of composition, it is easy to adjusts pH value.
The concentration of organic dispersing agent is 25%.
The pH value of pH adjusting agent regulation reactant is added in step e polymerization process 5, the matter of finished product can be improved
Amount.
Embodiment 3
A kind of preparation method for saving composite dispersing agent, comprises the following steps：
A, polycarboxylate dispersant and sulfonated acetone-formaldehyde condensation products dispersant pressed 3:4 ratio of weight and number mixing, and use 5 weights
Measure the water dissolving of part, the mixture A of system；
B, the 4% persulfuric acid salt initiator for adding mixture A weight, add the water dissolving of 5 parts by weight, obtain mixture
B；
C, take the inorganic dispersant of 5 parts by weight to convert the water of 2 parts by weight to stir, EDTA is added afterwards and is heated at 80 DEG C,
Until being completely dissolved, mixture C is obtained；
D, 7 parts of organic dispersing agents are taken to be added in mixture C, side stirring just adds alkali lye, adjusts pH value >=8.5, is mixed
Thing D；
E, mixture A, mixture B and mixture D be mixed to join in reactor, heated at 100 DEG C, progress polymerize anti-
Should, the reaction time is in 4h；
F, it is cooled to normal temperature, you can obtain composite dispersing agent finished product.
Persulfuric acid salt initiator in step b is sodium peroxydisulfate, and the initiator is with low cost but functional, and material
Expect wide material sources, it is easy to prepare.
Step c inorganic dispersant is calgon, and the composition is inexpensively easily obtained, and in the market is relatively conventional, therefore can
Cost is prepared to reduce.
Step c is heated to the transparent stopping heating for the moment of solution, advantageously reduces the waste of resource, improves the utilization of material
Rate.
Step d organic dispersing agent is sodium polymethacrylate dipersant, and the composition is easily obtained and cost is low.
Step d alkali lye is sodium hydroxide solution, and the cost of material is low, and does not interfere with the property of composition, it is easy to adjusts pH
Value.
The concentration of organic dispersing agent is 35%.
The pH value of pH adjusting agent regulation reactant is added in step e polymerization process 5, the matter of finished product can be improved
Amount.
Table one：Dispersant effect identification
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Dispersion effect | 320cpa | 350cpa | 300cpa |
| Storage stability（5-10℃） | 15 months | 16 months | 14 months |
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to the foregoing embodiments
The present invention is described in detail, for those skilled in the art, it still can be to foregoing embodiments institute
The technical scheme of record is modified, or carries out equivalent substitution to which part technical characteristic.It is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of preparation method for saving composite dispersing agent, it is characterised in that comprise the following steps：
A, polycarboxylate dispersant and sulfonated acetone-formaldehyde condensation products dispersant pressed 1:2-3:4 ratio of weight and number mixing, is used in combination
The water dissolving of 5-15 parts by weight, the mixture A of system；
B, add mixture A weight 2-4% persulfuric acid salt initiator, add 5-10 parts by weight water dissolving, obtain
Mixture B；
C, take the inorganic dispersant of 3-5 parts by weight to convert the water of 2-4 parts by weight to stir, EDTA is added afterwards and at 80 DEG C plus
Heat, until being completely dissolved, obtains mixture C；
D, 5-7 parts of organic dispersing agents are taken to be added in mixture C, side stirring just adds alkali lye, adjusts pH value >=8.5, is mixed
Compound D；
E, mixture A, mixture B and mixture D be mixed to join in reactor, heat, polymerize at 100-120 DEG C
Reaction, the reaction time is in 4-6h；
F, it is cooled to normal temperature, you can obtain composite dispersing agent finished product.
2. a kind of preparation method for saving composite dispersing agent according to claim 1, it is characterised in that in the step b
Persulfuric acid salt initiator be sodium peroxydisulfate.
3. a kind of preparation method for saving composite dispersing agent according to claim 1, it is characterised in that the step c's
Inorganic dispersant is sodium tripolyphosphate or calgon.
4. a kind of preparation method for saving composite dispersing agent according to claim 1, it is characterised in that the step c adds
Heat stops heating for the moment to solution is transparent.
5. a kind of preparation method for saving composite dispersing agent according to claim 1, it is characterised in that the step d's
Organic dispersing agent is sodium polymethacrylate dipersant.
6. a kind of preparation method for saving composite dispersing agent according to claim 1, it is characterised in that the step d's
Alkali lye is sodium hydroxide solution or ammoniacal liquor.
7. a kind of preparation method for saving composite dispersing agent according to claim 5, it is characterised in that described organic scattered
The concentration of agent is 25-35%.
8. a kind of preparation method for saving composite dispersing agent according to claim 1, it is characterised in that the step e's
The pH value of pH adjusting agent regulation reactant is added in polymerization process in 5-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710199008.9A CN107057072A (en) | 2017-03-29 | 2017-03-29 | A kind of preparation method for saving composite dispersing agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710199008.9A CN107057072A (en) | 2017-03-29 | 2017-03-29 | A kind of preparation method for saving composite dispersing agent |
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| Publication Number | Publication Date |
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| CN107057072A true CN107057072A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710199008.9A Withdrawn CN107057072A (en) | 2017-03-29 | 2017-03-29 | A kind of preparation method for saving composite dispersing agent |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139498A (en) * | 1975-12-26 | 1979-02-13 | The Lion Fat & Oil Co., Ltd. | Process of manufacturing high-concentration olefin sulfonate solution |
| CN101781378A (en) * | 2010-02-25 | 2010-07-21 | 寿光德圣造纸化工有限公司 | Method for preparing ammonium-sodium polyacrylate dispersant |
| CN102049211A (en) * | 2010-10-26 | 2011-05-11 | 苏州博纳化学科技有限公司 | Organic-inorganic composite dispersing agent as well as preparation method and application thereof |
-
2017
- 2017-03-29 CN CN201710199008.9A patent/CN107057072A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139498A (en) * | 1975-12-26 | 1979-02-13 | The Lion Fat & Oil Co., Ltd. | Process of manufacturing high-concentration olefin sulfonate solution |
| CN101781378A (en) * | 2010-02-25 | 2010-07-21 | 寿光德圣造纸化工有限公司 | Method for preparing ammonium-sodium polyacrylate dispersant |
| CN102049211A (en) * | 2010-10-26 | 2011-05-11 | 苏州博纳化学科技有限公司 | Organic-inorganic composite dispersing agent as well as preparation method and application thereof |
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Application publication date: 20170818 |