CN106947360A - A kind of emulsification method produced for cathode electrodip painting - Google Patents
A kind of emulsification method produced for cathode electrodip painting Download PDFInfo
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- CN106947360A CN106947360A CN201710222007.1A CN201710222007A CN106947360A CN 106947360 A CN106947360 A CN 106947360A CN 201710222007 A CN201710222007 A CN 201710222007A CN 106947360 A CN106947360 A CN 106947360A
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- epoxy resin
- added
- polyurethane
- cathode electrodip
- electrodip painting
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/443—Polyepoxides
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/4465—Polyurethanes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4473—Mixture of polymers
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4488—Cathodic paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
It is described to include following raw material for the emulsion that cathode electrodip painting is produced the present invention relates to electrophoretic paint production field, more particularly to a kind of emulsification method produced for cathode electrodip painting：Epoxy resin, curing agent, fatty amine, nontoxic drier, deionized water；The emulsification method of the present invention in advance adds emulsifying kettle the pure water of technological requirement amount, open stirring, again the material polymer in reactor is slowly added to stir operating emulsifying kettle, so that the ion particle diameter in the emulsion of this method production is smaller, charged ion during electrophoresis is conducive to be distributed more uniformly, so that the fine and close planarization after the larger stability and film forming for improving electrophoretic paint system.
Description
Technical field
The present invention relates to electrophoretic paint production field, more particularly to a kind of emulsification method produced for cathode electrodip painting.
Background technology
During cathodic electrophoretic emulsion is produced, existing production technology is taken out after the polymerization of reactor material is completed
Enter emulsifying kettle, be cooled to 75 DEG C of addition acetic acid, slowly add pure water emulsification, plus pure water time to continue 1-2 hours at≤55 DEG C, this
The method for first cooling and adding water afterwards is planted, emulsion temperature is relatively low after the completion of causing emulsification, viscosity is higher, it is necessary to which slightly heating could be stirred
In place, while fine and close planarization after the stability and film forming of electrophoretic paint system can be influenceed.
The content of the invention
The problem of purpose of the present invention exists aiming at above-mentioned prior art improves cathode electrodip painting system there is provided one kind
The emulsification method produced for cathode electrodip painting of stability.
The technical solution adopted in the present invention is：A kind of emulsification method produced for cathode electrodip painting, by quality percentage
It is described to include following raw material for the emulsion that cathode electrodip painting is produced than meter：Epoxy resin 25-40%, curing agent 20-30%,
Fatty amine 2-4%, nontoxic drier 1-2%, deionized water 25-40%.
The preparation method of emulsion that is produced for cathode electrodip painting is；
A. according to above-mentioned mass percent meter, add and gone described in the epoxy resin and addition into clean dried atmospheric kettle
Ionized water, start stirring 15-25 minutes, while adding the poly- ammonia equal with the epoxy resin quality into another atmospheric kettle
Ester, is subsequently added into the pure water with the polyurethane phase homogenous quantities, while being warming up to 130 DEG C -165 DEG C, 15-25 points of start stirring
Clock, after be cooled to 75 DEG C -90 DEG C, all surveys material viscosity after two atmospheric kettles stirrings, unqualified continuation is stirred to qualified viscosity,
Obtain mixing thing and polyurethane hydrate at the beginning of material；
B. mixed at the beginning of polyurethane hydrate described in step a being added into material in thing, while according to above-mentioned mass percent meter,
Curing agent, fatty amine, nontoxic drier are added, after mixing, 70 DEG C -80 DEG C is cooled to, adds and the epoxy resin phase homogeneity
The acetic acid of amount, obtains material polymer；
C. add and stirred with the pure water of the epoxy resin phase homogenous quantities, start into emulsifying kettle, while by institute in step b
State material polymer to be slowly added to stir operating emulsifying kettle, survey material viscosity, unqualified continuation is stirred to qualified viscosity；
D, qualified material in step c is transferred in bag type filtering machine and filtered, carry out filling emulsion.
Further, mixed at the beginning of polyurethane hydrate described in step a being added into material in thing, while according to above-mentioned quality hundred
Divide than meter, add curing agent, fatty amine, nontoxic drier, after mixing, be cooled to 75 DEG C, add identical with the epoxy resin
The acetic acid of quality, obtains material polymer.
The beneficial effect of emulsification method produced provided by the present invention for cathode electrodip painting is：The emulsification method of the present invention
The pure water of technological requirement amount is added in emulsifying kettle in advance, stirring is opened, then the material polymer in reactor is slowly added to stir
Mix operating emulsifying kettle so that the ion particle diameter in the emulsion of this method production is smaller, be conducive to charged ion during electrophoresis to divide
Cloth is more uniform, so that the fine and close planarization after the larger stability and film forming for improving electrophoretic paint system.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
A kind of emulsification method produced for cathode electrodip painting, by mass percentage, weighs following raw material：Epoxy resin
25%th, curing agent 20%, fatty amine 2%, nontoxic drier 1%, deionized water 25%.
Preparation method is：The epoxy resin is added into clean dried atmospheric kettle and the deionized water is added, started shooting
Stirring 15 minutes, while adding the polyurethane equal with the epoxy resin quality into another atmospheric kettle, is subsequently added into and institute
State the pure water of polyurethane phase homogenous quantities, while be warming up to 130 DEG C, start stirring 15 minutes, after be cooled to 75 DEG C, two atmospheric kettles
All surveys material viscosity after stirring, unqualified continuation is stirred to qualified viscosity, obtains mixing thing and polyurethane hydrate at the beginning of material；Will
The polyurethane hydrate is mixed in thing at the beginning of being added to material, while curing agent, fatty amine, nontoxic drier are added, after mixing, cooling
To 75 DEG C, the acetic acid with the epoxy resin phase homogenous quantities is added, material polymer is obtained；Added and the ring into emulsifying kettle
The pure water of oxygen tree lipid phase homogenous quantities, start stirring, while the material polymer is slowly added to stir operating emulsifying kettle,
Material viscosity is surveyed, unqualified continuation is stirred to qualified viscosity, and charging emulsification times continue 1 hour；Qualified material is transferred to bag
Filtered in formula filter, carry out filling emulsion.
The emulsification method of the present invention in advance adds emulsifying kettle the pure water of technological requirement amount, opens stirring, then by reactor
Material polymer be slowly added to stir operating emulsifying kettle so that this method production emulsion in ion particle diameter it is smaller,
Charged ion during electrophoresis is conducive to be distributed more uniformly, so that the cause after the larger stability and film forming for improving electrophoretic paint system
Close planarization.
Embodiment 2
A kind of emulsification method produced for cathode electrodip painting, by mass percentage, weighs following raw material：Epoxy resin
40%th, curing agent 30%, fatty amine 4%, nontoxic drier 2%, deionized water 40%.
Preparation method is：The epoxy resin is added into clean dried atmospheric kettle and the deionized water is added, started shooting
Stirring 25 minutes, while adding the polyurethane equal with the epoxy resin quality into another atmospheric kettle, is subsequently added into and institute
State the pure water of polyurethane phase homogenous quantities, while be warming up to 165 DEG C, start stirring 25 minutes, after be cooled to 90 DEG C, two atmospheric kettles
All surveys material viscosity after stirring, unqualified continuation is stirred to qualified viscosity, obtains mixing thing and polyurethane hydrate at the beginning of material；Will
The polyurethane hydrate is mixed in thing at the beginning of being added to material, while curing agent, fatty amine, nontoxic drier are added, after mixing, cooling
To 75 DEG C, the acetic acid with the epoxy resin phase homogenous quantities is added, material polymer is obtained；Added and the ring into emulsifying kettle
The pure water of oxygen tree lipid phase homogenous quantities, start stirring, while the material polymer is slowly added to stir operating emulsifying kettle,
Material viscosity is surveyed, unqualified continuation is stirred to qualified viscosity, and charging emulsification times continue 1 hour；Qualified material is transferred to bag
Filtered in formula filter, carry out filling emulsion.
The emulsification method of the present invention in advance adds emulsifying kettle the pure water of technological requirement amount, opens stirring, then by reactor
Material polymer be slowly added to stir operating emulsifying kettle so that this method production emulsion in ion particle diameter it is smaller,
Charged ion during electrophoresis is conducive to be distributed more uniformly, so that the cause after the larger stability and film forming for improving electrophoretic paint system
Close planarization.
Embodiment 3
A kind of emulsification method produced for cathode electrodip painting, by mass percentage, weighs following raw material：Epoxy resin
30%th, curing agent 25%, fatty amine 3%, nontoxic drier 2%, deionized water 30%.
Preparation method is：The epoxy resin is added into clean dried atmospheric kettle and the deionized water is added, started shooting
Stirring 20 minutes, while adding the polyurethane equal with the epoxy resin quality into another atmospheric kettle, is subsequently added into and institute
State the pure water of polyurethane phase homogenous quantities, while be warming up to 155 DEG C, start stirring 20 minutes, after be cooled to 80 DEG C, two atmospheric kettles
All surveys material viscosity after stirring, unqualified continuation is stirred to qualified viscosity, obtains mixing thing and polyurethane hydrate at the beginning of material；Will
The polyurethane hydrate is mixed in thing at the beginning of being added to material, while curing agent, fatty amine, nontoxic drier are added, after mixing, cooling
To 75 DEG C, the acetic acid with the epoxy resin phase homogenous quantities is added, material polymer is obtained；Added and the ring into emulsifying kettle
The pure water of oxygen tree lipid phase homogenous quantities, start stirring, while the material polymer is slowly added to stir operating emulsifying kettle,
Material viscosity is surveyed, unqualified continuation is stirred to qualified viscosity, and charging emulsification times continue 1 hour；Qualified material is transferred to bag
Filtered in formula filter, carry out filling emulsion.
The emulsification method of the present invention in advance adds emulsifying kettle the pure water of technological requirement amount, opens stirring, then by reactor
Material polymer be slowly added to stir operating emulsifying kettle so that this method production emulsion in ion particle diameter it is smaller,
Charged ion during electrophoresis is conducive to be distributed more uniformly, so that after the larger stability and film forming for improving electrophoretic paint system
Fine and close planarization.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent and improvement made within refreshing and principle etc., should be included within the scope of the present invention.
Claims (2)
1. a kind of emulsification method produced for cathode electrodip painting, by mass percentage, described to be used for cathode electrodip painting production
Emulsion include following raw material：Epoxy resin 25-40%, curing agent 20-30%, fatty amine 2-4%, nontoxic drier 1-2%,
Deionized water 25-40%；Characterized in that, the preparation method of the emulsion produced for cathode electrodip painting is：
A. according to above-mentioned mass percent meter, the epoxy resin is added into clean dried atmospheric kettle and the deionization is added
Water, start stirring 15-25 minutes, while adding the polyurethane equal with the epoxy resin quality into another atmospheric kettle, connects
The pure water added with the polyurethane phase homogenous quantities, while being warming up to 130 DEG C -165 DEG C, start stirring 15-25 minutes, rear drop
Temperature is to 75 DEG C -90 DEG C, and all surveys material viscosity after two atmospheric kettle stirrings, unqualified continuation is stirred to qualified viscosity, obtains thing
Material just mixes thing and polyurethane hydrate；
B. mixed at the beginning of polyurethane hydrate described in step a being added into material in thing, while according to above-mentioned mass percent meter, adding
Curing agent, fatty amine, nontoxic drier, after mixing, are cooled to 70 DEG C -80 DEG C, add and the epoxy resin phase homogenous quantities
Acetic acid, obtains material polymer；
C. add and stirred with the pure water of the epoxy resin phase homogenous quantities, start into emulsifying kettle, while by thing described in step b
Material polymer is slowly added to stir operating emulsifying kettle, surveys material viscosity, and unqualified continuation is stirred to qualified viscosity；
D, qualified material in step c is transferred in bag type filtering machine and filtered, carry out filling emulsion.
2. the emulsification method according to claim 1 produced for cathode electrodip painting, it is characterised in that by institute in step a
State at the beginning of polyurethane hydrate is added to material and mix in thing, while according to above-mentioned mass percent meter, adding curing agent, fatty amine, nothing
Malicious drier, after mixing, is cooled to 75 DEG C, adds the acetic acid with the epoxy resin phase homogenous quantities, obtain material polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222007.1A CN106947360A (en) | 2017-04-06 | 2017-04-06 | A kind of emulsification method produced for cathode electrodip painting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222007.1A CN106947360A (en) | 2017-04-06 | 2017-04-06 | A kind of emulsification method produced for cathode electrodip painting |
Publications (1)
| Publication Number | Publication Date |
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| CN106947360A true CN106947360A (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710222007.1A Pending CN106947360A (en) | 2017-04-06 | 2017-04-06 | A kind of emulsification method produced for cathode electrodip painting |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368057A (en) * | 2008-09-25 | 2009-02-18 | 江泽平 | High-performance 150 DEG C oven dry type bi-component epoxy-polyurethane cathode electrophoretic paint |
| CN104371497A (en) * | 2014-11-07 | 2015-02-25 | 广德瑞邦涂料有限公司 | Cathode water-soluble electrophoretic paint |
| CN104371496A (en) * | 2014-11-07 | 2015-02-25 | 广德瑞邦涂料有限公司 | Cathodic water-soluble electrophoretic paint emulsion and preparation method thereof |
| CN106010135A (en) * | 2016-08-07 | 2016-10-12 | 薛常刚 | Cathode electrophoresis coating |
| CN106047054A (en) * | 2016-06-02 | 2016-10-26 | 广德县中银化工有限责任公司 | High-throwing-power cathode electrophoresis coating and preparation method thereof |
-
2017
- 2017-04-06 CN CN201710222007.1A patent/CN106947360A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368057A (en) * | 2008-09-25 | 2009-02-18 | 江泽平 | High-performance 150 DEG C oven dry type bi-component epoxy-polyurethane cathode electrophoretic paint |
| CN104371497A (en) * | 2014-11-07 | 2015-02-25 | 广德瑞邦涂料有限公司 | Cathode water-soluble electrophoretic paint |
| CN104371496A (en) * | 2014-11-07 | 2015-02-25 | 广德瑞邦涂料有限公司 | Cathodic water-soluble electrophoretic paint emulsion and preparation method thereof |
| CN106047054A (en) * | 2016-06-02 | 2016-10-26 | 广德县中银化工有限责任公司 | High-throwing-power cathode electrophoresis coating and preparation method thereof |
| CN106010135A (en) * | 2016-08-07 | 2016-10-12 | 薛常刚 | Cathode electrophoresis coating |
Non-Patent Citations (1)
| Title |
|---|
| 孙曼灵: "《环氧树脂应用原理与技术》", 30 September 2002, 机械工业出版社 * |
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