CN112321788A - Polyester type amphiphilic hyper-dispersant and preparation method thereof - Google Patents
Polyester type amphiphilic hyper-dispersant and preparation method thereof Download PDFInfo
- Publication number
- CN112321788A CN112321788A CN202011031476.3A CN202011031476A CN112321788A CN 112321788 A CN112321788 A CN 112321788A CN 202011031476 A CN202011031476 A CN 202011031476A CN 112321788 A CN112321788 A CN 112321788A
- Authority
- CN
- China
- Prior art keywords
- polyester
- amphiphilic
- polyester polyol
- diisocyanate
- mass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4063—Mixtures of compounds of group C08G18/62 with other macromolecular compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4081—Mixtures of compounds of group C08G18/64 with other macromolecular compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6204—Polymers of olefins
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6484—Polysaccharides and derivatives thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a polyester type amphiphilic hyper-dispersant and a preparation method thereof, belonging to the field of dispersants. Including polyester polyols, diisocyanates, polyethylene oxides, polystyrenes and cyclodextrins. In the preparation method, polyester polyol and diisocyanate react to form short-chain polyurethane, hydrophobic polyoxyethylene and polystyrene are added for grafting, monomer diisocyanate is added for continuous reaction to form a multi-block amphiphilic copolymer, so that the whole molecule forms a comb shape and has super-hydrophobicity and hydrophilicity, the dispersibility of the dispersing agent in the coating is improved, the leveling property of the coating is further improved, alpha-cyclodextrin is added at the later stage of reaction and is grafted on polyester molecules to form a diversified dispersion structure, and the dispersing performance is improved.
Description
Technical Field
The invention relates to the field of dispersants, and particularly relates to a polyester type amphiphilic hyper-dispersant and a preparation method thereof.
Background
The dispersing agent is a surfactant which has two opposite properties of lipophilicity and hydrophilcity in a molecule, can prevent the sedimentation and flocculation of the coating, improve the leveling property of the extracted material and improve the coloring and the luster of the coating. The existing polyurethane dispersant used in paint is mainly conventional aqueous dispersant or oily dispersant, but the polyurethane amphiphilic dispersant has different dispersing effects.
Disclosure of Invention
The invention provides a polyester type amphiphilic hyper-dispersant with hydrophilicity and lipophilicity and good dispersion performance.
The invention also provides a preparation method of the polyester type amphiphilic hyper-dispersant.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a polyester type amphiphilic hyperdispersant comprises the following raw materials: polyester polyol, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
Further, the polyester polyol is any one of adipic acid-neopentyl glycol series polyester diol and adipic acid-butanediol-hexanediol series polyester polyol with the molecular weight of between 1000-2000-one.
Further, the cyclodextrin is alpha-cyclodextrin.
The preparation method of the polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst, and reacting for 30-60 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 75-80 ℃, and continuing to react for 3-4 h;
(3) and (3) adding cyclodextrin into the reaction system obtained in the step (2) to react for 1-2h, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
Further, the catalyst in the step (1) is any one of dibutyltin dilaurate, stannous octoate, stannous oleate and bismuth octoate.
Furthermore, the dosage of the catalyst accounts for 2-5% of the total mass of the reactants.
Further, the amount of the polyoxyethylene added in the step (2) is 1-10% of the mass of the polyester polyol; the addition amount of the polystyrene is 1-10% of the mass of the polyester polyol.
Further, the amount of the diisocyanate added in the step (2) is 30-50% of the mass of the polyester polyol.
Further, the cyclodextrin added in the step (3) accounts for 1-5% of the mass of the polyester polyol.
The polyester type amphiphilic hyper-dispersant and the preparation method thereof have the beneficial effects that:
(1) in the preparation method, polyester polyol and diisocyanate are reacted to form short-chain polyurethane, then hydrophobic polyoxyethylene and polystyrene are added for grafting, and monomer diisocyanate is added for continuous reaction to form a multi-block amphiphilic copolymer, so that the whole molecule forms a comb shape, and has super-hydrophobicity and hydrophilicity, the dispersibility of the dispersing agent in the coating is improved, and the leveling property of the coating is further improved.
(2) The alpha-cyclodextrin is added in the later reaction stage, the alpha-cyclodextrin has amphiphilicity, the alpha-cyclodextrin is in a regular hexagon shape, the outer side of the alpha-cyclodextrin has hydrophilicity, the inner side of the alpha-cyclodextrin has lipophilicity, and the alpha-cyclodextrin is grafted on polyester molecules to have a diversified dispersion structure, so that the dispersion performance is improved.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
A polyester type amphiphilic hyperdispersant comprises the following raw materials: adipic acid-neopentyl glycol series polyester diol with the molecular weight of between 1000-2000, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
A preparation method of polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst dibutyltin dilaurate accounting for 2% of the total mass of reactants, and reacting for 60 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 80 ℃, and continuing to react for 3 hours; wherein the amount of polyoxyethylene is 1% of the mass of the polyester polyol; the addition amount of the polystyrene is 10 percent of the mass of the polyester polyol; the amount of the added diisocyanate is 30 percent of the mass of the polyester polyol;
(3) and (3) adding alpha-cyclodextrin accounting for 1 percent of the mass of the polyester polyol into the reaction system obtained in the step (2) to react for 1 hour, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
Example 2
A polyester type amphiphilic hyperdispersant comprises the following raw materials: polyester polyol of adipic acid-butanediol-hexanediol series with the molecular weight of between 1000-2000, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
A preparation method of polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst stannous octoate accounting for 5% of the total mass of reactants, and reacting for 60 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 75 ℃, and continuing to react for 4 hours; wherein the amount of polyethylene oxide is 10% of the mass of the polyester polyol; the addition amount of the polystyrene is 1 percent of the mass of the polyester polyol; the amount of the added diisocyanate is 50 percent of the mass of the polyester polyol;
(3) and (3) adding alpha-cyclodextrin accounting for 5% of the mass of the polyester polyol into the reaction system obtained in the step (2) to react for 1h, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
Example 3
A polyester type amphiphilic hyperdispersant comprises the following raw materials: adipic acid-neopentyl glycol series polyester diol with the molecular weight of between 1000-2000, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
A preparation method of polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst stannous oleate accounting for 2% of the total mass of reactants, and reacting for 30 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 80 ℃, and continuing to react for 3 hours; wherein the amount of polyoxyethylene is 5% of the mass of the polyester polyol; the addition amount of the polystyrene is 5 percent of the mass of the polyester polyol; the amount of the added diisocyanate is 40 percent of the mass of the polyester polyol;
(3) and (3) adding alpha-cyclodextrin accounting for 3% of the mass of the polyester polyol into the reaction system obtained in the step (2) to react for 1 hour, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
Example 4
A polyester type amphiphilic hyperdispersant comprises the following raw materials: adipic acid-neopentyl glycol series polyester diol with the molecular weight of between 1000-2000, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
A preparation method of polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst bismuth octoate accounting for 4% of the total mass of reactants, and reacting for 40 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 80 ℃, and continuing to react for 3 hours; wherein the amount of polyoxyethylene is 8% of the mass of the polyester polyol; the addition of the polystyrene accounts for 8 percent of the mass of the polyester polyol; the amount of the added diisocyanate is 50 percent of the mass of the polyester polyol;
(3) and (3) adding alpha-cyclodextrin accounting for 5% of the mass of the polyester polyol into the reaction system obtained in the step (2) to react for 1h, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
Example 5
A polyester type amphiphilic hyperdispersant comprises the following raw materials: adipic acid-neopentyl glycol series polyester diol with the molecular weight of between 1000-2000, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
A preparation method of polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst stannous oleate accounting for 5% of the total mass of reactants, and reacting for 40 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 75 ℃, and continuing to react for 3 hours; wherein the amount of polyethylene oxide is 10% of the mass of the polyester polyol; the addition amount of the polystyrene is 10 percent of the mass of the polyester polyol; the amount of the added diisocyanate is 50 percent of the mass of the polyester polyol;
(3) and (3) adding alpha-cyclodextrin accounting for 5% of the mass of the polyester polyol into the reaction system obtained in the step (2) to react for 1h, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
Example 6
A polyester type amphiphilic hyperdispersant comprises the following raw materials: adipic acid-neopentyl glycol series polyester diol with the molecular weight of between 1000-2000, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
A preparation method of polyester type amphiphilic hyperdispersant comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst stannous oleate accounting for 5% of the total mass of reactants, and reacting for 60 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 80 ℃, and continuing to react for 3 hours; wherein the amount of polyethylene oxide is 10% of the mass of the polyester polyol; the addition amount of the polystyrene is 5 percent of the mass of the polyester polyol; the amount of the added diisocyanate is 50 percent of the mass of the polyester polyol;
(3) and (3) adding alpha-cyclodextrin accounting for 5% of the mass of the polyester polyol into the reaction system obtained in the step (2) to react for 1h, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
The dispersants obtained in examples 1 to 6 can be used in pigmented coatings. The addition amount of the dispersant is 1-10% of the coating.
The dispersants of examples 1-6 were tested for performance as follows:
1) testing of dispersed particle size: diluting the coloring paint (titanium dioxide color paste) to 800 times by using ethyl acetate, and testing by using a particle size distribution system;
2) and (3) stability testing: the viscosity of the colored coating was varied by a viscometer after the colored coating was left at 45 ℃ for 1 week. Relative to the initial viscosity, the change was evaluated as □ at 0-5%, Δ at 5-10%, x at 10-20%, and x at more than 20%;
the results of the performance tests of examples 1-6 are shown in the following table:
as can be seen from the above table, the colored coatings to which the dispersant of the present invention is added all have a small particle size, are uniformly dispersed in the particle size with a small difference, and show good stability without substantially increasing the viscosity after being left for one week.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (9)
1. A polyester type amphiphilic hyper-dispersant is characterized in that: the method comprises the following raw materials: polyester polyol, diisocyanate, polyethylene oxide, polystyrene and cyclodextrin.
2. The amphiphilic polyester hyperdispersant of claim 1, characterized by: the polyester polyol is any one of adipic acid-neopentyl glycol series polyester diol and adipic acid-butanediol-hexanediol series polyester polyol with the molecular weight of between 1000-2000.
3. The amphiphilic polyester hyperdispersant of claim 1, characterized by: the cyclodextrin is alpha-cyclodextrin.
4. A method for preparing the amphiphilic hyperdispersant of polyester type according to any of claims 1 to 3, characterized in that: the method comprises the following steps:
(1) dissolving polyester polyol and diisocyanate in a molar ratio of 1:1 in 1, 4-dioxane, heating to 70 ℃ under stirring, adding a catalyst, and reacting for 30-60 min;
(2) adding polyoxyethylene, polystyrene and diisocyanate into the step (1), heating to 75-80 ℃, and continuing to react for 3-4 h;
(3) and (3) adding cyclodextrin into the reaction system obtained in the step (2) to react for 1-2h, and removing the solvent from the obtained reactant to obtain the polyester amphiphilic hyper-dispersant.
5. The method of preparing the polyester type amphiphilic hyperdispersant according to claim 4, characterized in that: the catalyst in the step (1) is any one of dibutyltin dilaurate, stannous octoate, stannous oleate and bismuth octoate.
6. The method of preparing the polyester type amphiphilic hyperdispersant according to claim 4, characterized in that: the dosage of the catalyst accounts for 2-5% of the total mass of the reactants.
7. The method of preparing the polyester type amphiphilic hyperdispersant according to claim 4, characterized in that: the amount of the polyoxyethylene added in the step (2) is 1-10% of the mass of the polyester polyol; the addition amount of the polystyrene is 1-10% of the mass of the polyester polyol.
8. The method of preparing the polyester type amphiphilic hyperdispersant according to claim 4, characterized in that: the amount of the diisocyanate added in the step (2) is 30-50% of the mass of the polyester polyol.
9. The method of preparing the polyester type amphiphilic hyperdispersant according to claim 4, characterized in that: and (3) adding cyclodextrin in the step (3) accounting for 1-5% of the mass of the polyester polyol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011031476.3A CN112321788A (en) | 2020-09-27 | 2020-09-27 | Polyester type amphiphilic hyper-dispersant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011031476.3A CN112321788A (en) | 2020-09-27 | 2020-09-27 | Polyester type amphiphilic hyper-dispersant and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112321788A true CN112321788A (en) | 2021-02-05 |
Family
ID=74303439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011031476.3A Pending CN112321788A (en) | 2020-09-27 | 2020-09-27 | Polyester type amphiphilic hyper-dispersant and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112321788A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5578675A (en) * | 1993-07-21 | 1996-11-26 | Basf Corporation | Non-isocyanate basecoat/clearcoat coating compositions which may be ambient cured |
| CN104327290A (en) * | 2014-11-13 | 2015-02-04 | 南京化工职业技术学院 | Method for preparing regular-morphology cyclodextrin polymer by using ultrasonic-assisted cross-linking agent |
| JP2016017240A (en) * | 2014-07-07 | 2016-02-01 | Dic株式会社 | Textile printing agent and fabric product |
| CN106432681A (en) * | 2015-12-23 | 2017-02-22 | 上海大学 | Nonionic polyurethane aqueous hyperdispersant and preparation method thereof |
| CN106674463A (en) * | 2017-02-08 | 2017-05-17 | 上海金狮化工有限公司 | Polyurethane pigment dispersing agent and method for preparing same |
| CN108384428A (en) * | 2018-02-12 | 2018-08-10 | 唐山德生科技有限公司 | A kind of fast light antibacterial water color polyurethane coating and preparation method thereof |
| CN109054493A (en) * | 2018-05-28 | 2018-12-21 | 江苏丽王科技股份有限公司 | A kind of polyurethane non-ionic water coating hyper-dispersant and preparation method thereof |
-
2020
- 2020-09-27 CN CN202011031476.3A patent/CN112321788A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5578675A (en) * | 1993-07-21 | 1996-11-26 | Basf Corporation | Non-isocyanate basecoat/clearcoat coating compositions which may be ambient cured |
| JP2016017240A (en) * | 2014-07-07 | 2016-02-01 | Dic株式会社 | Textile printing agent and fabric product |
| CN104327290A (en) * | 2014-11-13 | 2015-02-04 | 南京化工职业技术学院 | Method for preparing regular-morphology cyclodextrin polymer by using ultrasonic-assisted cross-linking agent |
| CN106432681A (en) * | 2015-12-23 | 2017-02-22 | 上海大学 | Nonionic polyurethane aqueous hyperdispersant and preparation method thereof |
| CN106674463A (en) * | 2017-02-08 | 2017-05-17 | 上海金狮化工有限公司 | Polyurethane pigment dispersing agent and method for preparing same |
| CN108384428A (en) * | 2018-02-12 | 2018-08-10 | 唐山德生科技有限公司 | A kind of fast light antibacterial water color polyurethane coating and preparation method thereof |
| CN109054493A (en) * | 2018-05-28 | 2018-12-21 | 江苏丽王科技股份有限公司 | A kind of polyurethane non-ionic water coating hyper-dispersant and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 周玉青等: ""超声条件下二异氰酸酯桥联改性β-环糊精"", 《化工进展》 * |
| 扶熊等: "《食用变性淀粉》", 31 March 2016, 中国轻工业出版社 * |
| 沈青编: "《分子酸碱化学》", 31 March 2012, 上海科学技术文献出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101999346B1 (en) | Wetting and dispersing agent, production method and use thereof | |
| CN106543402B (en) | A kind of preparation method of cross-linking block-graft type high molecular polymer | |
| TW200940582A (en) | Wetting agents and dispersants, their preparation and use | |
| EP2998017B1 (en) | Addition compounds suitable as dispersants or anti-sedimentation agents | |
| CN112409564A (en) | Non-desolventizing water-based nonionic polyurethane and preparation method thereof | |
| CN117447883B (en) | Composite material based on hydroxy acrylic resin and preparation method thereof | |
| CN102585152A (en) | Preparation method of self-emulsified ionic waterborne polyurethane | |
| CN112062934B (en) | Anionic water-based isocyanate curing agent and preparation method and application thereof | |
| WO2022151949A1 (en) | Aqueous polyurethane acrylate emulsion and application thereof | |
| CN109384936B (en) | Carbon nanotube grafted hydroxyl-terminated polyurethane electrophoretic resin, cathode polyurethane electrophoretic paint and preparation methods thereof | |
| CN110746812B (en) | Thixotropic mixtures containing nonionic polyurethane compounds and aqueous leather surface treatment coatings comprising the same | |
| CN104371085A (en) | Preparation method of zwitterionic waterborne polyurethane | |
| CN112142949A (en) | High-wear-resistance and hydrophilic nano modified polyisocyanate curing agent and preparation method and application thereof | |
| CN114276519B (en) | Self-extinction waterborne polyurethane and preparation method thereof | |
| CN112679993A (en) | In-situ nano composite coated aluminum paste | |
| CN112321788A (en) | Polyester type amphiphilic hyper-dispersant and preparation method thereof | |
| CN109988495B (en) | Nano material modified water-based polyisocyanate curing agent, preparation and application | |
| CN115011175A (en) | Rare earth pigment photocuring color paste and preparation method thereof | |
| EP0934964B1 (en) | Polyurethane-polyacrylate hybrid dispersions containing allophanate groups | |
| Patel et al. | Studies on influence of the size of waterborne polyurethane nanoparticles on coating performance | |
| CN115612120B (en) | Method for preparing novel aqueous polyurethane based on Pickering emulsion method | |
| EP2164878A1 (en) | Nitrocellulose based dispersant | |
| CN115368813B (en) | Scratch-resistant bi-component polyurethane varnish | |
| TW201016308A (en) | Stabilized nanoparticle dispersions | |
| JP3156954B2 (en) | Method for producing polyurethane resin, colorant and paint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |