CN110078869A - A kind of combed amphoteric dispersant - Google Patents
A kind of combed amphoteric dispersant Download PDFInfo
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- CN110078869A CN110078869A CN201910390341.7A CN201910390341A CN110078869A CN 110078869 A CN110078869 A CN 110078869A CN 201910390341 A CN201910390341 A CN 201910390341A CN 110078869 A CN110078869 A CN 110078869A
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
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Abstract
The present invention relates to dispersing agent technical fields, and disclose a kind of preparation method of combed amphoteric dispersant, it is characterized in that, include the following steps, prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol, 1, 15-50 parts and initiator 0.2-5 parts of 3-N-morpholinopropanesulfonic acid lactone, by 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 0.2-5 parts of initiators are added, in the case where temperature is 20-150 DEG C, react 1-5h, it is adjusted between pH7-10 with sodium hydrate aqueous solution, reaction generates monomer A.The preparation method of the combed amphoteric dispersant, by preparing acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol, 1,15-50 parts and initiator 0.2-5 parts of 3-N-morpholinopropanesulfonic acid lactone, obtain a kind of combed amphoteric dispersant, combed amphoteric dispersant hydrophily and stability obtained are more preferable, it is dispersed preferable, eliminate the worry of user, the use for the person of being convenient to use.
Description
Technical field
The present invention relates to dispersing agent technical field, specially a kind of combed amphoteric dispersant.
Background technique
Dispersing agent is widely used in nanometer as a kind of auxiliary agent that can be improved and improve solid or liquid material dispersion performance
Material Field, dispersing agent have quantum size effect, small-size effect, skin effect and macro quanta tunnel effect, are being catalyzed
Performance, photoelectric properties, magnetoelectric effect and thermal resistance and fusing point etc. show excellent performance, nano particle itself partial size it is small and
The feature of large specific surface area, is but easy to cause solid particle to reunite, and nano particle itself is caused to lose the spy that should have
Distinguished service energy greatly hinders the industrial applications of nano material, exists although some existing technologies can improve nano material
Dispersion effect in solution, but nano particle easily secondary agglomeration make to be difficult to keep dispersion stabilization within a certain period of time.
Dispersing agent can be added into the material containing nano material usually to improve the dispersion performance of nano material, it is traditional
Dispersing agent performance is poor, is only capable of that nano particle dispersibility is made to maintain the of short duration time, and the pervasive performance of traditional dispersing agent is poor, and
Not having good stably dispersing effect, it is suppressed that the use of micro-powder or nano-powder, user is rather worried to this, therefore
And propose a kind of combed amphoteric dispersant.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of combed amphoteric dispersants, have dispersibility and wetability
The advantages that good, it is poor to solve traditional dispersing agent performance, is only capable of that nano particle dispersibility is made to maintain of short duration time, and tradition point
The pervasive performance of powder is poor, does not have good stably dispersing effect, it is suppressed that the use of micro-powder or nano-powder,
User's problem rather worried to this.
(2) technical solution
To realize above-mentioned dispersibility and the good purpose of wetability, the invention provides the following technical scheme: a kind of combed both sexes
The preparation method of dispersing agent, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, is added 0.2-5 parts
Initiator reacts 1-5h in the case where temperature is 20-150 DEG C, is adjusted between pH7-10 with sodium hydrate aqueous solution, and reaction generates single
Body A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:1-100, are in temperature
At 30-180 DEG C, 1.5-3.5h is reacted, pH is controlled between 7-10, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, is 20-120 DEG C in reaction temperature, adjusts pH and exist
Between 7-10, substitution reaction occurs and obtains a kind of combed amphoteric dispersant, structural formula are as follows:
Preferably, the molecular weight of the allyl alcohol polyethenoxy ether is 500-5000g/mol.
Preferably, the initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azo two
Different heptonitrile, benzoyl peroxide, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester therein one
Kind is a variety of.
Preferably, a kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of preparation methods of combed amphoteric dispersant, have following beneficial
Effect:
1, the preparation method of the combed amphoteric dispersant, by preparing acrylic acid 30-60 parts, allyl alcohol polyethenoxy ether
10-40 parts, 10-45 parts of 2- (dimethylamino) ethyl alcohol, 15-50 parts of 1,3-propane sultone and 0.2-5 parts of initiator, by 30-60
Part acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, and 0.2-5 parts of initiators are added, and are 20- in temperature
At 150 DEG C, 1-5h is reacted, is adjusted between pH7-10 with sodium hydrate aqueous solution, reaction generates monomer A, is added in Xiang Danti A
10-40 parts of allyl alcohol polyethenoxy ethers are mixed according to the ratio of 1:1-100, in the case where temperature is 30-180 DEG C, react 1.5-3.5h,
PH is controlled between 7-10, and reaction generates polymer B, and 15-50 parts of 1,3-propane sultone are added into polymer B, are reacting
Temperature is 20-120 DEG C, adjusts pH between 7-10, and substitution reaction occurs and obtains a kind of combed amphoteric dispersant, combed obtained
Amphoteric dispersant hydrophily and stability are more preferable, and dispersibility preferably, eliminates the worry of user, the person's of being convenient to use makes
With.
2, the preparation method of the combed amphoteric dispersant, by by preparing acrylic acid 30-60 parts, allyl alcohol polyethenoxy
10-40 parts of ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol, 15-50 parts of 1,3-propane sultone and 0.2-5 parts of initiator, by 30-
60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, and 0.2-5 parts of initiators are added, are in temperature
At 20-150 DEG C, 1-5h is reacted, is adjusted between pH7-10 with sodium hydrate aqueous solution, reaction generates monomer A, adds in Xiang Danti A
Enter 10-40 parts of allyl alcohol polyethenoxy ethers to mix according to the ratio of 1:1-100, in the case where temperature is 30-180 DEG C, reacts 1.5-
3.5h, pH are controlled between 7-10, and reaction generates polymer B, and 15-50 parts of 1,3-propane sultone are added into polymer B,
Reaction temperature is 20-120 DEG C, adjusts pH between 7-10, and substitution reaction occurs and obtains a kind of combed amphoteric dispersant, entire to make
Preparation Method is simple to operation, is easy to get using raw material is prepared, reduces preparation cost, has further facilitated the use of user.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of embodiment one: preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 0.2wt% is added
Initiator, temperature be 20 DEG C at, react 1h, with sodium hydrate aqueous solution adjust pH7.5, reaction generate monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:1, are 30 DEG C in temperature
Under, 1.5h is reacted, pH control is 7, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, are 20 DEG C in reaction temperature, adjusting pH is 7.5,
Substitution reaction occurs and obtains a kind of combed amphoteric dispersant, structural formula are as follows:
The molecular weight of allyl alcohol polyethenoxy ether is 500-5000g/mol.
Initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, peroxide
It is one such or a variety of to change benzoyl, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester.
A kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable.
A kind of embodiment two: preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 0.1wt% is added
Initiator, temperature be 40 DEG C at, react 2h, with sodium hydrate aqueous solution adjust pH8, reaction generate monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:20, are 30 DEG C in temperature
Under, 1.5h is reacted, pH control is 7, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, are 50 DEG C in reaction temperature, adjusting pH is 8, hair
Raw substitution reaction obtains a kind of combed amphoteric dispersant, structural formula are as follows:
The molecular weight of allyl alcohol polyethenoxy ether is 500-5000g/mol.
Initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, peroxide
It is one such or a variety of to change benzoyl, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester.
A kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable.
A kind of embodiment three: preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 2.0wt% is added
Initiator, temperature be 70 DEG C at, react 3h, with sodium hydrate aqueous solution adjust pH be 8, reaction generate monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:50, are 75 DEG C in temperature
Under, 2.5h is reacted, pH control is 8, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, are 20 DEG C in reaction temperature, adjusting pH is 7.5,
Substitution reaction occurs and obtains a kind of combed amphoteric dispersant, structural formula are as follows:
The molecular weight of allyl alcohol polyethenoxy ether is 500-5000g/mol.
Initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, peroxide
It is one such or a variety of to change benzoyl, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester.
A kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable.
A kind of example IV: preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 4.0wt% is added
Initiator, temperature be 90 DEG C at, react 3h, with sodium hydrate aqueous solution adjust pH be 8.5, reaction generate monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:80, are 95 DEG C in temperature
Under, 3h is reacted, pH control is 9, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, are 100 DEG C in reaction temperature, adjusting pH is 9, hair
Raw substitution reaction obtains a kind of combed amphoteric dispersant, structural formula are as follows:
The molecular weight of allyl alcohol polyethenoxy ether is 500-5000g/mol.
Initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, peroxide
It is one such or a variety of to change benzoyl, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester.
A kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable.
A kind of embodiment five: preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 5.0wt% is added
Initiator, temperature be 110 DEG C at, react 3h, with sodium hydrate aqueous solution adjust pH be 10, reaction generate monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:90, are 120 in temperature
At DEG C, 1.5h is reacted, pH control is 10, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, are 20 DEG C in reaction temperature, adjusting pH is 7.5,
Substitution reaction occurs and obtains a kind of combed amphoteric dispersant, structural formula are as follows:
The molecular weight of allyl alcohol polyethenoxy ether is 500-5000g/mol.
Initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, peroxide
It is one such or a variety of to change benzoyl, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester.
A kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable.
A kind of embodiment six: preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol,
15-50 parts and initiator 0.2-5 parts of 1,3-propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 5.0wt% is added
Initiator, temperature be 120 DEG C at, react 5h, with sodium hydrate aqueous solution adjust pH be 10, reaction generate monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:100, are 120 in temperature
At DEG C, 3.5h is reacted, pH control is 10, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, are 20 DEG C in reaction temperature, adjusting pH is 7.5,
Substitution reaction occurs and obtains a kind of combed amphoteric dispersant, structural formula are as follows:
The molecular weight of allyl alcohol polyethenoxy ether is 500-5000g/mol.
Initiator is potassium peroxydisulfate, ammonium persulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, peroxide
It is one such or a variety of to change benzoyl, cumyl peroxide, the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester.
A kind of combed amphoteric dispersant is random polymer, and side chain lengths are controllable, by adjusting side chain lengths, so that
Dispersion effect is more preferable, introduces quaternary ammonium salt cationic on dispersant molecule side chain, increases the thermal stability of amphoteric dispersant, is dividing
Sulfonic group is introduced on powder molecular side chain, increases the hydrophily of dispersing agent, the surface tension of water is reduced, makes dispersing agent
More easily in conjunction with solid particle.
The preparation-obtained dispersing agent of embodiment 1 to 6 is denoted as 1#, 2#, 3#, 4#, 5# and 6# respectively, other are excellent with market
The dispersing agent of matter as a comparison, is applied to the husky mill dispersion mill base of stirring, known to test result 1#, 2#, 3#, 4# all with market its
His good dispersing agent has close or better color developing.
The beneficial effects of the present invention are: the preparation method of the combed amphoteric dispersant, by prepare acrylic acid 30-60 parts,
10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol, 15-50 parts of 1,3-propane sultone and initiator
0.2-5 parts, 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 0.2-5 parts is added and draws
Agent is sent out, in the case where temperature is 20-150 DEG C, 1-5h is reacted, is adjusted between pH7-10 with sodium hydrate aqueous solution, reaction generates monomer
10-40 parts of allyl alcohol polyethenoxy ethers are added in A, Xiang Danti A to mix according to the ratio of 1:1-100, are 30-180 DEG C in temperature
Under, 1.5-3.5h is reacted, pH is controlled between 7-10, and reaction generates polymer B, and 15-50 part 1,3- third are added into polymer B
Sultones is 20-120 DEG C in reaction temperature, adjusts pH between 7-10, and substitution reaction occurs and obtains a kind of combed both sexes point
Powder, combed amphoteric dispersant hydrophily and stability obtained are more preferable, and dispersibility preferably, eliminates the worry of user, side
User use, by by prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 2- (diformazan ammonia
Base) 10-45 parts of ethyl alcohol, 15-50 parts of 1,3-propane sultone and 0.2-5 parts of initiator, by 30-60 parts of acrylic acid, 10-45 parts of 2-
(dimethylamino) ethyl alcohol is mixed according to 1:1 ratio, and 0.2-5 parts of initiators are added, and in the case where temperature is 20-150 DEG C, reacts 1-5h,
It is adjusted between pH7-10 with sodium hydrate aqueous solution, reaction generates monomer A, and 10-40 parts of allyl alcohol polyoxy second are added in Xiang Danti A
Alkene ether is mixed according to the ratio of 1:1-100, in the case where temperature is 30-180 DEG C, reacts 1.5-3.5h, pH is controlled between 7-10, instead
Polymer B should be generated, 15-50 parts of 1,3-propane sultone are added into polymer B, is 20-120 DEG C in reaction temperature, adjusts
PH occurs substitution reaction and obtains a kind of combed amphoteric dispersant, entire preparation method is simple to operation, uses system between 7-10
Standby raw material is easy to get, and reduces preparation cost, has further facilitated the use of user, solve traditional dispersing agent performance compared with
Difference is only capable of that nano particle dispersibility is made to maintain the of short duration time, and the pervasive performance of traditional dispersing agent is poor, does not have good
Stably dispersing effect, it is suppressed that the use of micro-powder or nano-powder, user's problem rather worried to this.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of preparation method of combed amphoteric dispersant, which comprises the following steps:
1) prepare acrylic acid 30-60 parts, 10-40 parts of allyl alcohol polyethenoxy ether, 10-45 parts of 2- (dimethylamino) ethyl alcohol, 1,3-
15-50 parts and initiator 0.2-5 parts of propane sultone；
2) 30-60 parts of acrylic acid, 10-45 parts of 2- (dimethylamino) ethyl alcohol are mixed according to 1:1 ratio, 0.2-5 parts of initiations is added
Agent reacts 1-5h in the case where temperature is 20-150 DEG C, is adjusted between pH7-10 with sodium hydrate aqueous solution, and reaction generates monomer A；
3) 10-40 parts of allyl alcohol polyethenoxy ethers are added in Xiang Danti A to mix according to the ratio of 1:1-100, are 30- in temperature
At 180 DEG C, 1.5-3.5h is reacted, pH is controlled between 7-10, and reaction generates polymer B, the structural formula of polymer B are as follows:
4) 15-50 parts of 1,3-propane sultone are added into polymer B, is 20-120 DEG C in reaction temperature, adjusts pH in 7-10
Between, substitution reaction occurs and obtains a kind of combed amphoteric dispersant, structural formula are as follows:
2. a kind of preparation method of combed amphoteric dispersant according to claim 1, it is characterised in that: the allyl alcohol is poly-
The molecular weight of ethylene oxide ether is 500-5000g/mol.
3. a kind of preparation method of combed amphoteric dispersant according to claim 1, it is characterised in that: the initiator is
Potassium peroxydisulfate, crosses sodium hydrogensulfite, azodiisobutyronitrile, azobisisoheptonitrile, benzoyl peroxide, peroxidating at ammonium persulfate
Diisopropylbenzene (DIPB), the special butyl ester of peroxidating two or perbenzoic acid spy's butyl ester are one such or a variety of.
4. a kind of preparation method of combed amphoteric dispersant according to claim 1, it is characterised in that: a kind of combed
Amphoteric dispersant is random polymer, and side chain lengths are controllable.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154031A (en) * | 2020-01-13 | 2020-05-15 | 传美讯电子科技（珠海）有限公司 | Acrylate comb dispersant, preparation method and application thereof, white ink-jet color paste and preparation method thereof |
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