CN115746875A - Water-based pigment dispersant and preparation method thereof - Google Patents

Abstract

The invention discloses a water-based pigment dispersant and a manufacturing method thereof. The components are calculated in parts by weight: high molecular polymer: 40-110 parts, acetone: 20-50 parts, polyacrylic acid sodium salt, 10-20 parts Modified monomer, 5-10 parts, the beneficial effect of the present invention is: by adding coupling agent and tacking agent, coupling agent is vinyltriethoxysilane material, and tacking agent is silicon dioxide material, by Vinyl triethoxysilane material and silica material are added to the preparation of the water-based pigment dispersant, which facilitates the improvement of the viscosity of the water-based pigment when the dispersant is added, and improves the functionality of the dispersant. By adding the modified The monomer, after the mixture of the mercapto-containing modified monomer and butyl acrylate is mixed, the molecules in the water-based pigment are modified, and the dispersion effect of the water-based pigment is improved.

Description

A kind of water-based pigment dispersant and preparation method thereof

technical field

The invention relates to the technical field of dispersants, in particular to a water-based pigment dispersant and a manufacturing method.

Background technique

A dispersant is a surfactant that has two opposite properties of lipophilicity and hydrophilicity in the molecule. It can uniformly disperse the solid particles of inorganic and organic pigments that are difficult to dissolve in liquid, and at the same time prevent the sedimentation and aggregation of solid particles, forming the medicament needed to stabilize the suspension. Dispersants are divided into fatty acids, aliphatic amides and esters. In existing water-based pigments, dispersants need to be used for pigment dispersion to facilitate the adhesion and stability of water-based pigments. However, most of the existing water-based pigment dispersants are due to Insufficient anchoring ability and poor steric hindrance, it is difficult to maintain the adhesion between high-concentration pigments, resulting in poor stability of water-based pigments, and poor coloring stability of water-based pigments after dispersant treatment.

Contents of the invention

The object of the present invention is to provide a water-based pigment dispersant and a manufacturing method to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a water-based pigment dispersant, each component is calculated by weight: high molecular polymer: 40-110 parts, acetone: 20-50 parts, polyacrylic acid sodium salt , 10-20 parts; Modified monomer, 5-10 parts; Hydrophobic monomer, 5-8 parts; Coupling agent, 10-15 parts; Dispersion auxiliary material, 5-20 parts; Adhesive agent, 1-5 parts ; Transparent agent, 2-4 parts; Methacrylic acid, 1-5 parts; Adsorption anchor material, 10-18 parts; Bonding agent, 1-4 parts; Chain transfer agent, 5-10 parts; Initiator, 1- 4 parts.

Preferably, the high molecular polymer is one of sodium carboxymethyl cellulose and ethyl cellulose, and the modified monomer is a mixture of a mercapto-containing modified monomer and butyl acrylate.

Preferably, the hydrophobic monomer is a hydrophobic acrylate monomer, and the coupling agent is a vinyltriethoxysilane material.

Preferably, the dispersing auxiliary material is allyl ether, and the adhesive agent is silica material.

Preferably, the transparent agent is one of sodium hydroxide solution and dilute hydrochloric acid, and the bonding agent is polynitrile hydroxylamine polymer.

Preferably, the chain transfer agent is isopropanol, and the initiator is ammonium persulfate.

Preferably, the mass ratio of the bonding agent to the initiator is 1:1.

A kind of manufacture method of water-based pigment dispersant, comprises the following steps:

S1. Weigh the high molecular polymer, acetone and polyacrylic acid sodium salt, pour the high molecular polymer and polyacrylic acid sodium salt into the reactor for stirring and mixing, after mixing evenly, heat up to 40-70°C, add acetone after heating up Constant temperature mixing treatment, obtain No. 1 mixture;

S2. Weigh the coupling agent, dispersing auxiliary material and methacrylic acid, add the coupling agent into the No. 1 mixture and heat and mix it. The heating temperature is 35-60°C. After mixing for 1-2 hours, cool to room temperature, add the dispersing auxiliary material and Continue to heat and mix the methacrylic acid, heat the temperature to 55-80°C, and stir for 20-45 minutes to obtain the No. 2 mixture;

S3. Weigh the modified monomer, hydrophobic monomer, adsorption anchor material and bonding agent, mix the modified monomer, hydrophobic monomer and adsorption anchor material at room temperature, and add the bonding agent after mixing for vacuum heating and stirring Process to obtain No. 3 mixture;

S4, weigh the clearing agent and the initiator, put the clearing agent and the initiator into the No. 2 mixture and stir, then add the No. 3 mixed solution obtained in S3 and continue the stirring process to obtain the basic dispersant;

S5. Weigh the adhesion agent and the chain transfer agent, add the adhesion agent into the basic dispersant and heat and stir. The heating temperature is 80-95°C. After stirring for 1-2h, the temperature is lowered to 60-75°C, and the stirring is continued for 2-5h. The water-based pigment dispersant can be obtained.

As a preference, adding a bonding agent after mixing in S3 to carry out vacuum heating and stirring treatment specifically includes the following steps:

S31. After the modified monomer, hydrophobic monomer and adsorption anchor material are mixed at room temperature, the weighed bonding agent is poured into the interior to continue mixing. Before mixing, the vacuum reactor is vacuumed, and the vacuum pressure is 0.5- 1.2 Pa;

S32. Heat the inside of the vacuum reactor, the internal environment temperature is 60-85° C., and stir at a stirring speed of 300-450 r/min for 1-2 hours to obtain No. 3 mixture.

As preferably, in described S4, put transparent agent and initiator into No. 2 mixed agent and stir and then add No. 3 mixed solution obtained in S3 to continue the stirring process, and obtain the basic dispersant specifically comprising the following steps:

S41. Put the transparent agent and the initiator into the No. 2 mixture for stirring, the stirring speed is 140-200r/min, and the mixing time is 20-55min;

S42, then add the No. 3 mixed solution obtained in S3, and increase the mixing speed to 300-380r/min, and then continue mixing for 20-40min to obtain a basic dispersant.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Compared with the prior art, the beneficial effect of the present invention is: by adding a coupling agent and an adhesive agent, the coupling agent is a vinyltriethoxysilane material, the adhesive agent is a silicon dioxide material, through vinyl triethyl Oxysilane materials and silica materials are added to the preparation of water-based pigment dispersants, which facilitates the improvement of the viscosity of water-based pigments when the dispersant is added, and improves the functionality of the dispersant. By adding modified monomers, it is realized After mixing the mixture of mercapto-containing modified monomer and butyl acrylate, the molecules in the water-based pigment are modified to improve the dispersion effect of the water-based pigment. By adding a transparent agent, the transparent agent uses sodium hydroxide solution and One of the dilute hydrochloric acid can enhance the transparency of water-based pigments when used as a dispersant, and improve the coloring stability of water-based pigments.

Detailed ways

Example 1:

A water-based pigment dispersant according to an embodiment of the present invention, each component is calculated by weight: high molecular polymer: 40-110 parts, acetone: 20-50 parts, polyacrylic acid sodium salt, 10-20 parts; Sexual monomer, 5-10 parts; Hydrophobic monomer, 5-8 parts; Coupling agent, 10-15 parts; Dispersion auxiliary material, 5-20 parts; Adhesive agent, 1-5 parts; parts; methacrylic acid, 1-5 parts; adsorption anchor material, 10-18 parts; bonding agent, 1-4 parts; chain transfer agent, 5-10 parts; initiator, 1-4 parts.

Example 2:

Among them, the high molecular polymer is one of sodium carboxymethyl cellulose and ethyl cellulose, and the modified monomer is a mixture of mercapto-containing modified monomer and butyl acrylate, and the modified monomer is added to realize After mixing the mixture of the mercapto-containing modified monomer and butyl acrylate, the molecules in the water-based pigment are modified to improve the dispersion effect of the water-based pigment.

Wherein, the hydrophobic monomer is a hydrophobic acrylate monomer, and the coupling agent is a vinyltriethoxysilane material.

Among them, the dispersing auxiliary material is allyl ether, the adhesive agent is a silica material, and a coupling agent and an adhesive agent are added. The coupling agent is a vinyltriethoxysilane material, and the adhesive agent is a silica material. Triethoxysilane and silica materials are added to the preparation of the water-based pigment dispersant, which facilitates the improvement of the viscosity of the water-based pigment when the dispersant is added, and improves the functionality of the dispersant.

Wherein, the transparent agent is one of sodium hydroxide solution and dilute hydrochloric acid, the bonding agent is a polynitrile hydroxylamine polymer, the transparent agent, and the transparent agent uses one of sodium hydroxide solution and dilute hydrochloric acid to realize the When the dispersant is used, the transparency effect of the water-based pigment is enhanced, and the coloring stability of the water-based pigment is improved.

Among them, the chain transfer agent is isopropanol, the initiator is ammonium persulfate, and the chain transfer agent is isopropanol by adding the chain transfer agent. Isopropanol is an organic compound, an isomer of n-propanol, colorless and transparent It is a liquid with a smell like a mixture of ethanol and acetone. It can quickly transfer the chain structure in water-based pigments and improve work efficiency.

Wherein, the mass ratio of bonding agent and initiator is 1:1.

Example 3:

A kind of manufacture method of water-based pigment dispersant, comprises the following steps:

S1. Weigh the high molecular polymer, acetone and polyacrylic acid sodium salt, pour the high molecular polymer and polyacrylic acid sodium salt into the reactor for stirring and mixing, after mixing evenly, heat up to 40-70°C, add acetone after heating up Constant temperature mixing treatment, obtain No. 1 mixture;

S2. Weigh the coupling agent, dispersing auxiliary material and methacrylic acid, add the coupling agent into the No. 1 mixture and heat and mix it. The heating temperature is 35-60°C. After mixing for 1-2 hours, cool to room temperature, add the dispersing auxiliary material and Continue to heat and mix the methacrylic acid, heat the temperature to 55-80°C, and stir for 20-45 minutes to obtain the No. 2 mixture;

S3. Weigh the modified monomer, hydrophobic monomer, adsorption anchor material and bonding agent, mix the modified monomer, hydrophobic monomer and adsorption anchor material at room temperature, and add the bonding agent after mixing for vacuum heating and stirring After treatment, the No. 3 mixture is obtained, and the modified monomer is added to realize the mixture of the mercapto-containing modified monomer and butyl acrylate. After the mixture is mixed, the molecules in the water-based pigment are modified, and the dispersion effect on the water-based pigment Improvement, the addition of modified monomers, after the mixture of mercapto-containing modified monomers and butyl acrylate is mixed, the molecules in the water-based pigments are modified, and the dispersion effect of water-based pigments is improved;

S4. Weigh the clearing agent and the initiator, put the clearing agent and the initiator into the No. 2 mixture and stir, then add the No. 3 mixed solution obtained in S3 and continue stirring to obtain the basic dispersant, the clearing agent, and the clearing agent using hydrogen One of sodium oxide solution and dilute hydrochloric acid can enhance the transparency of water-based pigments when the dispersant is used, and improve the coloring stability of water-based pigments;

S5. Weigh the adhesion agent and the chain transfer agent, add the adhesion agent into the basic dispersant and heat and stir. The heating temperature is 80-95°C. After stirring for 1-2h, the temperature is lowered to 60-75°C, and the stirring is continued for 2-5h. The water-based pigment dispersant can be obtained, and a coupling agent and an adhesive agent are added. The coupling agent is vinyltriethoxysilane material, and the adhesive agent is silica material. Through vinyltriethoxysilane material and dioxide The silicon material is added to the preparation of the water-based pigment dispersant, which facilitates the improvement of the viscosity of the water-based pigment when the dispersant is added, and improves the functionality of the dispersant.

Wherein, after mixing in S3, adding a bonding agent to carry out vacuum heating and stirring treatment specifically includes the following steps:

S31. After the modified monomer, hydrophobic monomer and adsorption anchor material are mixed at room temperature, the weighed bonding agent is poured into the interior to continue mixing. Before mixing, the vacuum reactor is vacuumed, and the vacuum pressure is 0.5- 1.2 Pa;

S32. Heat the inside of the vacuum reactor, the internal environment temperature is 60-85° C., and stir at a stirring speed of 300-450 r/min for 1-2 hours to obtain No. 3 mixture.

Wherein, putting the transparent agent and the initiator in S4 into the No. 2 mixture and stirring, then adding the No. 3 mixed solution obtained in S3 to continue the stirring process, and obtaining the basic dispersant specifically includes the following steps:

S41. Put the transparent agent and the initiator into the No. 2 mixture for stirring, the stirring speed is 140-200r/min, and the mixing time is 20-55min;

S42, then add the No. 3 mixed solution obtained in S3, and increase the mixing speed to 300-380r/min, and then continue mixing for 20-40min to obtain a basic dispersant.

Example 4:

A water-based pigment dispersant, the components are calculated in parts by weight: sodium carboxymethylcellulose: 40 parts, acetone: 20 parts, polyacrylic acid sodium salt, 10 parts; modified monomer, 5 parts; hydrophobicity Acrylate monomer, 5 parts; Vinyl triethoxysilane material, 10 parts; Allyl ether, 5 parts; Silica material, 1 part; Sodium hydroxide solution, 2 parts; Methacrylic acid, 1 part ;Adsorbent anchor material, 10 parts; Polynitrile hydroxylamine polymer, 1 part; Isopropanol, 5 parts; Ammonium persulfate, 1 part

Material Sodium carboxymethyl cellulose acetone Sodium polyacrylic acid Modified monomer Hydrophobic Acrylate Monomer Vinyltriethoxysilane material Allyl ether Silica material sodium hydroxide solution Methacrylate Adsorption anchor material polynitrile hydroxylamine polymer Isopropanol Ammonium persulfate parts by weight 40 20 10 5 5 10 5 1 2 1 10 1 5 1

A kind of manufacture method of water-based pigment dispersant, comprises the following steps:

S1. Weigh carboxymethyl cellulose sodium, acetone and polyacrylic acid sodium salt, pour carboxymethyl cellulose sodium and polyacrylic acid sodium salt into the reaction kettle for stirring and mixing, heat up to 40°C after mixing evenly, and add Acetone is carried out constant temperature mixing process, obtains No. 1 mixing agent;

S2. Weigh the vinyltriethoxysilane material, allyl ether and methacrylic acid, add the vinyltriethoxysilane material into the No. 1 mixture for heating and mixing, the heating temperature is 35°C, after mixing for 1 hour Cool to room temperature, add allyl ether and methacrylic acid to continue heating and mixing, heat the temperature to 55°C, and stir for 20 minutes to obtain the No. 2 mixture;

S3. Weigh the modified monomer, hydrophobic acrylate monomer, adsorption anchor material and polynitrile hydroxylamine polymer, mix the modified monomer, hydrophobic acrylate monomer and adsorption anchor material at room temperature, and modify After the neutral monomer, hydrophobic acrylate monomer and adsorption anchor material are mixed at room temperature, the weighed polynitrile hydroxylamine polymer is poured into the interior to continue mixing. Before mixing, the vacuum reactor is evacuated, and the vacuum pressure to 0.5 Pa, heat the inside of the vacuum reactor, the internal ambient temperature is 60°C, and stir at a stirring speed of 300r/min for 1 hour to obtain the No. 3 mixture;

S4, take sodium hydroxide solution and ammonium persulfate, put sodium hydroxide solution and ammonium persulfate into No. 2 mixture and stir, the stirring speed is 140r/min, and the mixing time is 20min, then add the obtained in S3 No. 3 mixed solution, and increase the mixing speed to 300r/min, and then continue to mix for 20min to obtain the basic dispersant;

S5. Weigh the silica material and isopropanol, add the silica material into the basic dispersant and heat and stir. The heating temperature is 80°C. After stirring for 1 hour, cool down to 60°C and continue stirring for 2 hours to obtain the water-based Pigment dispersant.

Example 5:

A water-based pigment dispersant, the components are calculated by weight: sodium carboxymethyl cellulose: 110 parts, acetone: 50 parts, polyacrylic acid sodium salt, 20 parts; modified monomer, 10 parts; hydrophobicity Acrylate monomer, 8 parts; Vinyl triethoxysilane material, 15 parts; Allyl ether, 20 parts; Silica material, 5 parts; Sodium hydroxide solution, 4 parts; Methacrylic acid, 5 parts ;Adsorbent anchor material, 18 parts; Polynitrile hydroxylamine polymer, 4 parts; Isopropanol, 10 parts; Ammonium persulfate, 4 parts

Material Sodium carboxymethyl cellulose acetone Sodium polyacrylic acid Modified monomer Hydrophobic Acrylate Monomer Vinyltriethoxysilane material Allyl ether Silica material sodium hydroxide solution Methacrylate Adsorption anchor material polynitrile hydroxylamine polymer Isopropanol Ammonium persulfate parts by weight 110 50 20 10 8 15 20 5 4 5 18 4 10 4

A kind of manufacture method of water-based pigment dispersant, comprises the following steps:

S1. Weigh carboxymethyl cellulose sodium, acetone and polyacrylic acid sodium salt, pour carboxymethyl cellulose sodium and polyacrylic acid sodium salt into the reaction kettle for stirring and mixing, heat up to 70°C after mixing evenly, and add Acetone is carried out constant temperature mixing process, obtains No. 1 mixing agent;

S2. Weigh the vinyltriethoxysilane material, allyl ether and methacrylic acid, add the vinyltriethoxysilane material into the No. 1 mixture for heating and mixing, the heating temperature is 60°C, after mixing for 2 hours Cool to room temperature, add allyl ether and methacrylic acid to continue heating and mixing, heat the temperature to 80°C, and stir for 45 minutes to obtain the No. 2 mixture;

S3. Weigh the modified monomer, hydrophobic acrylate monomer, adsorption anchor material and polynitrile hydroxylamine polymer, mix the modified monomer, hydrophobic acrylate monomer and adsorption anchor material at room temperature, and modify After the neutral monomer, hydrophobic acrylate monomer and adsorption anchor material are mixed at room temperature, the weighed polynitrile hydroxylamine polymer is poured into the interior to continue mixing. Before mixing, the vacuum reactor is evacuated, and the vacuum pressure to 1.2Pa, heat the inside of the vacuum reactor, the internal ambient temperature is 85°C, and after stirring for 2 hours at a stirring speed of 450r/min, the No. 3 mixture is obtained;

S4, take sodium hydroxide solution and ammonium persulfate, put sodium hydroxide solution and ammonium persulfate into No. 2 mixture and stir, the stirring speed is 200r/min, and the mixing time is 55min, then add the obtained in S3 No. 3 mixed solution, and increase the mixing speed to 380r/min, and then continue to mix for 40min to obtain the basic dispersant;

S5. Weigh the silica material and isopropanol, add the silica material into the basic dispersant and heat and stir. The heating temperature is 95°C. After stirring for 2 hours, cool down to 75°C and continue stirring for 5 hours to obtain the water-based Pigment dispersant.

1. Test groups

The test group 1-2 adopts the water-based pigment dispersant prepared in Examples 4 to 5, and the control group is a commercially available water-based pigment dispersant. Take 10ml of water-based pigment, drop the water-based pigment dispersant into the water-based pigment, and drop it every 30s. 0.5ml, drip continuously for 3min;

2. Test method

Take 5 parts of the water-based pigment dispersant prepared in Example 4, and heat the water-based pigment at a heating temperature of 30° C., drop 0.5 ml of the water-based pigment dispersant every 30 seconds, observe the condition after 3 minutes, and detect the state of the water-based pigment.

Take 5 parts of the water-based pigment dispersant prepared in Example 5, and heat the water-based pigment at a heating temperature of 30°C, drop 0.5ml of the water-based pigment dispersant every 30s, observe the situation after 3 minutes, and detect the state of the water-based pigment.

Take 5 parts of the water-based pigment dispersant of the control group, heat the water-based pigment at a heating temperature of 30°C, drop 0.5ml of the water-based pigment dispersant every 30s, observe the situation after 3 minutes, and detect the state of the water-based pigment.

3. Test results

The test results are shown in the table below:

The detection result of water-based pigment dispersant and control group in the following table embodiment 4 to 5

group 1 min after instillation After dripping for 3 minutes Test group 1 Improved tinting effect of water-based pigments without change in adhesion The coloring effect of water-based pigments is significantly improved, and the adhesion is improved Test group 2 Improved coloring effect and adhesion of water-based pigments The coloring effect of water-based pigments is significantly improved, and the adhesion is significantly enhanced control group The coloring effect of water-based pigments has not changed, and the adhesion has not changed Improved tinting effect of water-based pigments without change in adhesion

From the test result data in the above table, it can be seen that the coloring and adhesion effects of the water-based pigment dispersant in the experimental group are far superior to those of the commercially available water-based pigment dispersant.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with the true scope of the disclosure being indicated by the following claims.

Claims (10)

1. A water-based pigment dispersant, characterized in that, each component is calculated in parts by weight: high molecular polymer: 40-110 parts, acetone: 20-50 parts, polyacrylic acid sodium salt, 10-20 parts; Modified monomer, 5-10 parts; Hydrophobic monomer, 5-8 parts; Coupling agent, 10-15 parts; Dispersion auxiliary material, 5-20 parts; Adhesive agent, 1-5 parts; 4 parts; methacrylic acid, 1-5 parts; adsorption anchor material, 10-18 parts; bonding agent, 1-4 parts; chain transfer agent, 5-10 parts; initiator, 1-4 parts. 2. a kind of water-based pigment dispersant according to claim 1, is characterized in that, described macromolecular polymer is wherein a kind of in sodium carboxymethyl cellulose and ethyl cellulose, and described modified monomer It is a mixture of mercapto-modified monomers and butyl acrylate. 3. A water-based pigment dispersant according to claim 2, wherein the hydrophobic monomer is a hydrophobic acrylate monomer, and the coupling agent is a vinyltriethoxysilane material. 4. A kind of water-based pigment dispersant according to claim 3, characterized in that, the dispersing auxiliary material is allyl ether, and the adhesive is a silica material. 5. A kind of water-based pigment dispersant according to claim 4, characterized in that, the transparent agent is one of sodium hydroxide solution and dilute hydrochloric acid, and the bonding agent is a polynitrile hydroxylamine polymer. 6. a kind of water-based pigment dispersant according to claim 5, is characterized in that, described chain transfer agent is Virahol, and described initiator is ammonium persulfate. 7. a kind of water-based pigment dispersant according to claim 6, is characterized in that, the mass ratio of described bonding agent and initiator is 1:1. 8. the manufacture method of a kind of water-based pigment dispersant according to any one of claims 1-7, is characterized in that, comprises the following steps: S1. Weigh the high molecular polymer, acetone and polyacrylic acid sodium salt, pour the high molecular polymer and polyacrylic acid sodium salt into the reactor for stirring and mixing, after mixing evenly, heat up to 40-70°C, add acetone after heating up Constant temperature mixing treatment, obtain No. 1 mixture; S2. Weigh the coupling agent, dispersing auxiliary material and methacrylic acid, add the coupling agent into the No. 1 mixture and heat and mix it. The heating temperature is 35-60°C. After mixing for 1-2 hours, cool to room temperature, add the dispersing auxiliary material and Continue to heat and mix the methacrylic acid, heat the temperature to 55-80°C, and stir for 20-45 minutes to obtain the No. 2 mixture; S3. Weigh the modified monomer, hydrophobic monomer, adsorption anchor material and bonding agent, mix the modified monomer, hydrophobic monomer and adsorption anchor material at room temperature, and add the bonding agent after mixing for vacuum heating and stirring Process to obtain No. 3 mixture; S4, weigh the clearing agent and the initiator, put the clearing agent and the initiator into the No. 2 mixture and stir, then add the No. 3 mixed solution obtained in S3 and continue the stirring process to obtain the basic dispersant; S5. Weigh the adhesion agent and the chain transfer agent, add the adhesion agent into the basic dispersant and heat and stir. The heating temperature is 80-95°C. After stirring for 1-2h, the temperature is lowered to 60-75°C, and the stirring is continued for 2-5h. The water-based pigment dispersant can be obtained. 9. the manufacture method of a kind of water-based pigment dispersant according to claim 8, is characterized in that, after mixing in the described S3, add bonding agent and carry out vacuum heating and stirring process and specifically comprise the following steps: S31. After the modified monomer, hydrophobic monomer and adsorption anchor material are mixed at room temperature, the weighed bonding agent is poured into the interior to continue mixing. Before mixing, the vacuum reactor is vacuumed, and the vacuum pressure is 0.5- 1.2Pa; S32. Heat the inside of the vacuum reactor, the internal environment temperature is 60-85° C., and stir at a stirring speed of 300-450 r/min for 1-2 hours to obtain No. 3 mixture. 10. the manufacture method of a kind of water-based pigment dispersant according to claim 9, is characterized in that, in described S4, transparent agent and initiator are put into No. 2 mixing agent and stir and then add No. 3 that obtains in S3 The mixed solution continues to be stirred and processed, and obtaining the basic dispersant specifically includes the following steps: S41. Put the transparent agent and the initiator into the No. 2 mixture for stirring, the stirring speed is 140-200r/min, and the mixing time is 20-55min; S42, then add the No. 3 mixed solution obtained in S3, and increase the mixing speed to 300-380r/min, and then continue mixing for 20-40min to obtain a basic dispersant.