CN106750342A - A kind of combed hyper-dispersant, preparation method and application - Google Patents
A kind of combed hyper-dispersant, preparation method and application Download PDFInfo
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- CN106750342A CN106750342A CN201611115057.1A CN201611115057A CN106750342A CN 106750342 A CN106750342 A CN 106750342A CN 201611115057 A CN201611115057 A CN 201611115057A CN 106750342 A CN106750342 A CN 106750342A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
- C08G81/027—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyester or polycarbonate sequences
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
- C08G81/028—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyamide sequences
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L87/00—Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
- C08L87/005—Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Abstract
The present invention relates to a kind of combed hyper-dispersant, belong to new material and technical field of chemical industry.The invention also discloses the preparation method of the hyper-dispersant, synthesis including polyester-type solvent chain or polyamide solvent chain, and its graft reaction with anchoring group, with dioxane or tetrahydrofuran as solvent, add graft reaction catalyst, it it is 60 180 DEG C by prepared polyester or polyamide solvent chain and maleic anhydride analog copolymer graft reaction, reaction temperature, the reaction time is 2 72h.The combed hyper-dispersant is additionally provided in coating, ink, battery conductive slurries and polymeric system as the application of pigment.Hyper-dispersant is provided simultaneously in coating, ink, battery conductive slurries and polymeric system as the application of filler.Hyper-dispersant of the present invention can meet dispersion needs of the different inorganic particles in different organic systems, so as to promote the use scope of modified powder.
Description
Technical field
The present invention relates to new material and technical field of chemical industry, and in particular to a kind of dispersant, and dispersant system
Preparation Method and application.
Background technology
In the fields such as coating, ink, ceramics, rubber and plastic, in order to reduce product cost and enhance product performance, it will usually adopt
With ultra-fine inorganic particle such as calcium carbonate, titanium dioxide, talcum powder, mica, kaolin etc. as pigment, filler or functional material.
Great specific surface area and special surface state yet with ultra-fine inorganic particle make it equal in production and application process
Inevitably encounter dispersion problem, the quality of dispersion effect not only influences production efficiency, energy consumption, and is directly connected to product
The final mass of product, therefore the scattering problem of solution superfine powder has become one of key technology of influence properties of product.Cause
This needs to be modified by surface to the inorganic material with specific function, improve its dispersiveness in media as well, stability and
Realize the functionalization of composite.
Mainly there are surfactant and a coupling agent as the ultra-fine grain conventional dispersant that is modified, but these conventional tables
Face modifying agent is all difficult to be really achieved Production requirement to the persistence of the modified effect of powder.In order to overcome traditional dispersing aid
Deficiency, has developed the efficient high polymer dispersion of a class, referred to as hyper-dispersant in recent years.With traditional dispersant phase
Than hyper-dispersant molecular structure includes two major parts of anchoring group and solvent chain, and wherein anchoring group can be with inorganic
Particle surface strong bonded, solvent chain improves steric hindrance and acts on so that particle is dispersed in media as well.Publication number CN
101385958 application for a patent for invention discloses a kind of polyester type amphipathic nature ultra-dispersant and preparation method thereof.The method is used
Amido and alcoholic extract hydroxyl group are anchored, and anchoring ability is weaker, are easily parsed during redisperse.Publication number CN's 103071426
Application for a patent for invention discloses a kind of hyper-dispersant and preparation method thereof.The method has synthesized a kind of combed dispersant, but molten
It is only 8 alkane chains of charcoal that agent chain is most long, it is impossible to forms effective steric hindrance effect, causes dispersion effect not good.
The content of the invention
Therefore, the technical problem to be solved in the present invention is, for the problem that above prior art is present, to design and synthesize
A kind of new combed dispersant, the product has unique molecular structure, has superpower dispersibility to inorganic particle, can
For in coating, ink, battery conductive slurries, polymeric system.
The technical scheme is that, the combed hyper-dispersant shown in formula (I),
Wherein, R is hydrogen or methyl；R1It is phenyl, carboxyl, C2-C20Alkyl or COOR ', the R ' be C1-C18Alkane
Base；R2Selected from the one kind in hydrogen, polyester or polyamide, R3Selected from least containing in the one kind in hydrogen, polyester or polyamide, and formula (I)
There are 1 polyester or polyamide group；X, y are the integer of 1-100.
A kind of combed hyper-dispersant of the invention, it is preferred that x:The ratio of y is 1:0.1~1：10.
Present invention also offers the preparation method of above-mentioned combed hyper-dispersant, the preparation method includes：A. synthesizing polyester
Type solvation segment or synthesizing polyamides type solvation segment, and b. anchoring groups glycerol polymerization；
The processing step of the synthesizing polyester type solvation segment is：Caprolactone, primary alconol monomer are mixed, adds open loop to gather
Catalyst is closed, reaction temperature is 60-180 DEG C, and the reaction time is 2-48h；Or mix 12- hydroxy stearic acids and primary alconol, plus
Enter catalyst, reaction temperature is 60-180 DEG C, and the reaction time is 2-48h；
The processing step of the synthesizing polyamides type solvation segment is：With water as initiator, caprolactam, primary alconol are mixed
Close, reaction temperature is 180-300 DEG C, and the reaction time is 2-72h；
The processing step of the glycerol polymerization of the anchoring group is：With dioxane or tetrahydrofuran as solvent, addition connects
Branch catalysts, by prepared polyester or polyamide solvent chain and maleic anhydride analog copolymer graft reaction, reaction
Temperature is 60-180 DEG C, and the reaction time is 2-72h.
In the processing step of the synthesizing polyamides type solvation segment, it is not necessary to catalyst.
In a kind of combed hyper-dispersant of the invention and preparation method, it is preferred that the synthesizing polyester type solvation
Primary alconol in segment is selected from the one kind in hexanol, n-heptanol, n-octyl alcohol, lauryl alcohol, tetradecyl alchohol, hexadecanol, octadecyl alcolol；
The primary alconol of the synthesizing polyamides type solvation segment is selected from hexanol, n-heptanol, n-octyl alcohol, lauryl alcohol, 14
One kind in alcohol, hexadecanol, octadecyl alcolol；
The maleic anhydride analog copolymer of the anchoring group be selected from it is following in one kind：Styrene maleic anhydride copolymer,
Maleic anhydride olefin copolymer, maleic anhydride acrylic copolymer, maleic anhydride acrylic acid esters co-polymer.
In a kind of combed hyper-dispersant of the invention and preparation method, it is preferred that the synthesizing polyester type solvation
Segment ring opening catalyst be selected from it is following in one kind：Stannous octoate, stannous iso caprylate, dibutyl tin laurate, butyl titanate；
In the synthesizing polyester type solvation segment reaction, during using 12- hydroxy stearic acids and primary alconol, catalyst is to first
One or more combination in base benzene sulfonic acid, pyrovinic acid, the concentrated sulfuric acid；
The graft reaction catalyst of the anchoring group be selected from it is following in one or more combination：To methylbenzene
Sulfonic acid, pyrovinic acid, the concentrated sulfuric acid or triethylamine, pyridine, DMAP.
Further, the graft reaction catalyst of the anchoring group is in p-methyl benzenesulfonic acid, pyrovinic acid, the concentrated sulfuric acid
Any combination, or triethylamine, pyridine, any combination of 4- dimethylaminopyridines.
In a kind of combed hyper-dispersant of the invention and preparation method, it is preferred that the synthesizing polyester type solvation
Material quality ratio in segment processing step is：Primary alconol 1%-50%, caprolactone 50%-99%, catalyst 0.01%-5%；
Material quality ratio in the processing step of the synthesizing polyamides type solvation segment is：Primary alconol 1%-50%, caprolactam
50%-99%, catalyst 0.01%-5%.
In a kind of combed hyper-dispersant of the invention and preparation method, it is preferred that the solvent chain and main link
Branch polymerization material quality ratio be：Polyester or polyamide 50%-95%, acid anhydride copolymer 5%-50%, catalyst 0.1%-
5%.
Present invention also offers above-mentioned combed hyper-dispersant in coating, ink, battery conductive slurries and polymeric system
As the application of pigment.
Present invention provides above-mentioned combed hyper-dispersant in coating, ink, battery conductive slurries and polymeric system
As the application of filler.
The thinking that the present invention prepares hyper-dispersant is：For hyper-dispersant to the dispersive property of inorganic particle, influence factor
Maximum is the anchoring group and solvent chain of hyper-dispersant.Generally there is metal cation according to inorganic particle surfaces, therefore
It is anchoring group to use carboxyl, and hyper-dispersant is not easy to be desorbed from particle surface after absorption occurs；And solvent chain is basis point
Dispersion media property determines, by adjusting primary alconol and caprolactone in synthetic chain or 12- hydroxy stearic acids or caprolactam
Ratio controls the length of solvent chain so that the solvent chain of hyper-dispersant has preferable compatibility with matrix material.
The beneficial effects of the invention are as follows：
Combed hyper-dispersant of the present invention can occur chemical bond, jail with carboxyl as anchoring group with inorganic particle surfaces ion
Consolidation conjunction is not susceptible to come off；With polyester chain as solvent chain, can be adjusted molten according to the species of institute's modified polymer material matrix
The species and length of agent chain, improve the compatibility with matrix material.Main advantages of the present invention have：(1) preparation method is simple,
It is with short production cycle；(2) raw material is easy to get；(3) dispersant structure is controllable, can rationally be designed according to physical condition；(4) energy is anchored
Power is strong, is difficult to free.
Brief description of the drawings
Fig. 1 is the SEM of stearic acid (a, c) and hyper-dispersant (b, d) modified calcium carbonate in dimethylbenzene alcohol mixed solution
Figure.
Fig. 2 stearic acid (a) and hyper-dispersant (b) modified calcium carbonate suspension flow varied curve.
Specific embodiment
The present invention presented below is a kind of to can be used for filling modification of polymer materials combed hyper-dispersant and preparation method
Specific embodiment.
Embodiment one：
Weigh 72g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 32g, maleic anhydride of styrene 4g to be dissolved in 84g dioxane, added after raw material is completely dissolved and urged
Agent p-methyl benzenesulfonic acid 1.44g, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain hyper-dispersant product
H1.R is hydrogen, R in the present embodiment1It is phenyl, R2、R3It is hydrogen or polyester, molecular weight of polyesters is about 2000, the ratio of hydrogen and polyester
Example is 3:2, x=10, y=10.
Embodiment two：
Weigh 72g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 8g, maleic anhydride of styrene 4g to be dissolved in 28g dioxane, added after raw material is completely dissolved and urged
Agent p-methyl benzenesulfonic acid 0.48g, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain hyper-dispersant product
H2.R is hydrogen, R in the present embodiment1It is phenyl, R2、R3It is hydrogen or polyester, molecular weight of polyesters is about 2000, the ratio of hydrogen and polyester
Example is 9:1, x=10, y=10.
Embodiment three：
Weigh 110g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 60g, maleic anhydride of styrene 4g to be dissolved in 150g dioxane, added after raw material is completely dissolved
Catalyst p-methyl benzenesulfonic acid 2.56g, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain hyper-dispersant product
H3.The present embodiment R is hydrogen, R1It is phenyl, R2、R3It is hydrogen or polyester, molecular weight of polyesters is about 3000, the ratio of hydrogen and polyester
It is 1:1, x=10, y=10.
Example IV：
Weigh 28g caprolactones, 10g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 4g, maleic anhydride of styrene 8g to be dissolved in 28g dioxane, added after raw material is completely dissolved and urged
Agent p-methyl benzenesulfonic acid 0.48g, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain hyper-dispersant product
H4.R is hydrogen, R in the present embodiment1It is phenyl, R2、R3It is hydrogen or polyester, molecular weight of polyesters is about 600, the ratio of hydrogen and polyester
It is 11:1, x=80, y=80.
Embodiment five：
Weigh 72g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 25.5g, acrylic acid copolymer-maleic anhydride 4g to be dissolved in 69g dioxane, treat that raw material is completely dissolved
Catalyst p-methyl benzenesulfonic acid 1.18g is added afterwards, and controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain ultra-dispersed
Agent product H5.R is hydrogen, R in the present embodiment1It is carboxyl, R2、R3Be hydrogen or polyester, molecular weight of polyesters is about 2000, hydrogen with it is poly-
The ratio of ester is 1:1, x=90, y=30.
Embodiment six：
Weigh 72g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 20.8g, butyl methacrylate copolymer-maleic anhydride 4g to be dissolved in 58g dioxane, treat raw material
Catalyst p-methyl benzenesulfonic acid 0.99g is added after being completely dissolved, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, is obtained final product
To hyper-dispersant product H6.R is methyl, R in the present embodiment1It is COOC4H9, R2、R3It is hydrogen or polyester, molecular weight of polyesters is about
2000, the ratio of hydrogen and polyester is 1:1, x=40, y=20.
Embodiment seven：
Weigh 72g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 22.8g, Octadecene-maleic anhydride copolymer 4g to be dissolved in 62.5g dioxane, treat that raw material is completely molten
Catalyst p-methyl benzenesulfonic acid 1.07g is added after solution, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain oversubscription
Powder product H7.R is hydrogen, R in the present embodiment1It is C16H33, R2、R3Be hydrogen or polyester, molecular weight of polyesters is about 2000, hydrogen with
The ratio of polyester is 1:1, x=50, y=50.
Embodiment eight：
Weigh 72g caprolactones, 5g n-octyl alcohols to be added in there-necked flask, add 0.5% catalyst pungent after vacuumizing 2h
Sour stannous, are warming up to 130 DEG C, and product is cooled into room temperature after reacting 12h under vacuum condition, can obtain white solid as solvent
Change chain.Weigh solvent chain 13.9g, the copolymer-maleic anhydride 4g of acrylic acid 12 to be dissolved in 41.6g dioxane, treat that raw material is complete
Catalyst p-methyl benzenesulfonic acid 0.72g is added after CL, controlling reaction temperature is 100 DEG C, and solvent is removed after reaction 8h, that is, obtain
Hyper-dispersant product H8.R is hydrogen, R in the present embodiment1It is COOC12H25, R2、R3It is hydrogen or polyester, molecular weight of polyesters is about
2000, the ratio of hydrogen and polyester is 1:1, x=60, y=30.
Above-mentioned application of dispersant effect is exemplified below：
(1) mass fraction is prepared for 1.0wt% calcium carbonate (3000 mesh) suspension, and decentralized medium is that diformazan benzyl carbinol is molten
Agent, it is hard to hyper-dispersant H1 and common dispersants obtained in the case study on implementation 1 of addition calcium carbonate quality 2.0wt% in suspension
Resin acid, stirs 10 minutes at 25 DEG C, use SEM calcium carbonate dispersiveness is directly observed (a and c for common dispersants are modified,
B and d is modified for hyper-dispersant；A and b are the SEM figures of 1000 times of amplification, and c and d is the SEM figures of 5000 times of amplification).
Result shows clustering phenomena still occur through the modified calcium carbonate of common dispersants, and modified through hyper-dispersant
Calcium carbonate dispersiveness significantly improve, in media as well in individual particle disperse, see Fig. 1.
(2) take hyper-dispersant H1 obtained in case study on implementation 1 and each 100mg of stearic acid is dissolved in the mixing of 5g diformazan benzyl carbinols
In solvent, to 10g calcium carbonate is added in solution, stirred 10 minutes at 25 DEG C, using R/S-CPS type rheometers to suspension viscosity
Tested (a is modified for common dispersants, and b is modified for hyper-dispersant).
Result shows, compared with common dispersants, through the modified calcium carbonate suspension viscosity of hyper-dispersant far below hard
Resin acid is modified, and this explanation hyper-dispersant dispersion effect is much better than traditional dispersant, sees Fig. 2.
Claims (10)
1. the combed hyper-dispersant shown in formula (I),
Wherein, R is hydrogen or methyl；R1It is phenyl, carboxyl, C2-C20Alkyl or COOR ', the R ' be C1-C18Alkyl；R2Choosing
One kind from hydrogen, polyester or polyamide, R3Selected from the one kind in hydrogen, polyester or polyamide, and formula (I) at least contain 1
Polyester or polyamide group；X, y are the integer of 1-100.
2. a kind of combed hyper-dispersant according to claim 1, it is characterised in that：x:The ratio of y is 1:0.1~1：10.
3. the preparation method of combed hyper-dispersant described in claim 1, it is characterised in that：The preparation method includes：A. synthesize
Polyester-type solvation segment or synthesizing polyamides type solvation segment, and b. anchoring groups glycerol polymerization；
The processing step of the synthesizing polyester type solvation segment is：Caprolactone, primary alconol monomer are mixed, adds ring-opening polymerisation to urge
Agent, reaction temperature is 60-180 DEG C, and the reaction time is 2-48h；Or mix 12- hydroxy stearic acids and primary alconol, addition is urged
Agent, reaction temperature is 60-180 DEG C, and the reaction time is 2-48h；
The processing step of the synthesizing polyamides type solvation segment is：With water as initiator, caprolactam, primary alconol are mixed,
Reaction temperature is 180-300 DEG C, and the reaction time is 2-72h；
The processing step of the glycerol polymerization of the anchoring group is：With dioxane or tetrahydrofuran as solvent, add grafting anti-
Catalyst is answered, by prepared polyester or polyamide solvent chain and maleic anhydride analog copolymer graft reaction, reaction temperature
It it is 60-180 DEG C, the reaction time is 2-72h.
4. a kind of combed hyper-dispersant and preparation method according to claim 3, it is characterised in that：The synthesizing polyester type is molten
Primary alconol in agent segment is selected from the one kind in hexanol, n-heptanol, n-octyl alcohol, lauryl alcohol, tetradecyl alchohol, hexadecanol, octadecyl alcolol；
The primary alconol of the synthesizing polyamides type solvation segment is selected from hexanol, n-heptanol, n-octyl alcohol, lauryl alcohol, tetradecyl alchohol, ten
One kind in six alcohol, octadecyl alcolol；
The maleic anhydride analog copolymer of the anchoring group be selected from it is following in one kind：Styrene maleic anhydride copolymer, Malaysia
Acid anhydrides olefin copolymer, maleic anhydride acrylic copolymer, maleic anhydride acrylic acid esters co-polymer.
5. a kind of combed hyper-dispersant and preparation method according to claim 3, it is characterized in that, the synthesizing polyester type solvent
Change segment ring opening catalyst be selected from it is following in one kind：Stannous octoate, stannous iso caprylate, dibutyl tin laurate, metatitanic acid fourth
Ester；
In the synthesizing polyester type solvation segment reaction, during using 12- hydroxy stearic acids and primary alconol, catalyst is to methylbenzene
One or more combination in sulfonic acid, pyrovinic acid, the concentrated sulfuric acid；
The graft reaction catalyst of the anchoring group be selected from it is following in one or more combination：To methylbenzene sulphur
Acid, pyrovinic acid, the concentrated sulfuric acid or triethylamine, pyridine, DMAP.
6. a kind of combed hyper-dispersant and preparation method according to claim 5, it is characterised in that：The anchoring group connects
Branch catalysts are any combination in p-methyl benzenesulfonic acid, pyrovinic acid, the concentrated sulfuric acid, or triethylamine, pyridine, 4- diformazans
Any combination of amine pyridine.
7. a kind of combed hyper-dispersant and preparation method according to claim 3, it is characterised in that：The synthesizing polyester type is molten
Material quality ratio in agent segment processing step is：Primary alconol 1%-50%, caprolactone 50%-99%, catalyst 0.01%-
5%；Material quality ratio in the processing step of the synthesizing polyamides type solvation segment is：Primary alconol 1%-50%, in oneself
Acid amides 50%-99%, catalyst 0.01%-5%.
8. a kind of combed hyper-dispersant and preparation method according to claim 3, it is characterised in that：The solvent chain and master
The material quality ratio of chain glycerol polymerization is：Polyester or polyamide 50%-95%, acid anhydride copolymer 5%-50%, catalyst
0.1%-5%.
9. combed hyper-dispersant described in claim 1 in coating, ink, battery conductive slurries and polymeric system as pigment
Application.
10. the conduct in coating, ink, battery conductive slurries and polymeric system of combed hyper-dispersant described in claim 1 is filled out
The application of material.
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| CN110041982A (en) * | 2019-05-16 | 2019-07-23 | 青岛路比特科技有限公司 | A kind of nano-graphite antifriction and antiwear agents and preparation method thereof of hyper-dispersant modification |
| CN111690134A (en) * | 2020-07-03 | 2020-09-22 | 江苏道赢科技有限公司 | Dispersing agent for improving flexibility of cathode sheet |
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| TWI786519B (en) * | 2020-01-29 | 2022-12-11 | 美商艾德凡斯化學公司 | Amino acid surfactants |
| TWI786518B (en) * | 2020-01-29 | 2022-12-11 | 美商艾德凡斯化學公司 | Amino acid surfactants |
| US11731937B2 (en) | 2020-01-29 | 2023-08-22 | Advansix Resins & Chemicals Llc. | Amino acid surfactants |
| US11795143B2 (en) | 2020-01-29 | 2023-10-24 | Advansix Resins & Chemicals Llc | Amino acid surfactants |
| CN111690134A (en) * | 2020-07-03 | 2020-09-22 | 江苏道赢科技有限公司 | Dispersing agent for improving flexibility of cathode sheet |
| CN112778485A (en) * | 2021-02-08 | 2021-05-11 | 杭州临安科达环境科技研究所 | Preparation method of comb type polyurethane hyperdispersant, dispersant and application thereof |
| CN114874380A (en) * | 2022-04-28 | 2022-08-09 | 横店集团得邦工程塑料有限公司 | Preparation method of hyperdispersant and application of hyperdispersant in titanium dioxide master batch |
| WO2024055390A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Polymer, positive electrode material composition, and use thereof |
| CN116959779A (en) * | 2023-09-15 | 2023-10-27 | 南通艾盛新能源科技有限公司 | Polymer dispersant, organic carrier and metal conductive paste |
| CN116959779B (en) * | 2023-09-15 | 2023-12-08 | 南通艾盛新能源科技有限公司 | Polymer dispersant, organic carrier and metal conductive paste |
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