CN108753115A - A kind of high attachment waterborne epoxy coatings - Google Patents
A kind of high attachment waterborne epoxy coatings Download PDFInfo
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- CN108753115A CN108753115A CN201810697072.4A CN201810697072A CN108753115A CN 108753115 A CN108753115 A CN 108753115A CN 201810697072 A CN201810697072 A CN 201810697072A CN 108753115 A CN108753115 A CN 108753115A
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- Prior art keywords
- added
- stirred
- insulated
- taken
- titanium dioxide
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Classifications
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of high attachment waterborne epoxy coatings, are made by following steps：1）Polytetrafluoroethylwax wax is taken, is added in dimethylformamide, insulated and stirred discharging cooling obtains amide solution；2）It takes tertiary butyl to biphenol, is added in thionyl chloride, ultrasonic reaction obtains thionyl chloride solution；3）Stearic acid heating fusing is taken, insulated and stirred is mixed with titanium dioxide, is added in thionyl chloride solution, stirs evenly, amide solution is added, insulated and stirred discharges, and centrifuges, and washing, air drying obtains chloride titanium dioxide；4）Chloride titanium dioxide is taken, is added in amination polyester emulsion, stirs evenly, epoxy resin E51 is added, boron trifluoride ether, stirring to room temperature is added in insulated and stirred.The present invention effectively improves dispersion performance of the epoxy resin between aqueous emulsion, to improve the mechanical stability of finished product coating.The polytetrafluoroethylwax wax that the present invention is added has good viscosity, can improve the adhesive force of finished product coating.
Description
Technical field
The invention belongs to paint fields, and in particular to a kind of high attachment waterborne epoxy coatings.
Background technology
Epoxy resin have excellent chemical resistance, to numerous grounds have splendid adhesive force, can with it is a variety of solid
Agent cures, and the compactness of film is good, rigidity is strong, heat-resistant antifriction is all fine, in occupation of critical role in anticorrosive paint, leads to
It crosses and adds different fillers and adjustment curing agent kind, the anti-corrosive paint of epoxy resin of different properties can be made, be suitable for not
Same anti-corrosion occasion, reaches good protecting effect.There are about 40% epoxy resin to be applied to manufacture epoxy painting in the world every year
Material, major applications are in corrosion-resistant field.In China, the about epoxy resin of 30%-40% is processed to various paintings
Material, has extensive purposes in fields such as ship, civil engineering, household electrical appliance, mechanotronics.
However, current epoxy coating is due to adding various fillers, to be easily reduced the uniform and stable of film
Property, and adhesive force is relatively low, is easy to fall off.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of high attachment waterborne epoxy coatings.
To achieve the above object, the present invention uses following technical scheme：
A kind of high attachment waterborne epoxy coatings, is made by following steps：
（1）Polytetrafluoroethylwax wax is taken, is added in dimethylformamide, is sent in 135-140 DEG C of constant temperature oil bath, heat preservation is stirred
It mixes 20-30 minutes, discharging cooling obtains amide solution；
（2）It takes tertiary butyl to biphenol, is added in thionyl chloride, it is 3-5 minutes ultrasonic, obtain thionyl chloride solution；
（3）Stearic acid, heating fusing is taken to be mixed with titanium dioxide, insulated and stirred 1-2 hours is added to above-mentioned thionyl chloride solution
In, it stirs evenly, amide solution is added, insulated and stirred 20-30 hours at 70-80 DEG C, discharge, centrifuge, water will be precipitated
It washes, air drying, obtains chloride titanium dioxide；
（4）Above-mentioned chloride titanium dioxide is taken, is added in amination polyester emulsion, stirs evenly, it is 90-95 DEG C to increase temperature, is added
Enter epoxy resin E51, boron trifluoride ether is added in insulated and stirred 3-5 hours, and stirring to room temperature is aqueous to get the high attachment
Epoxy coating.
Preferably, it counts in parts by weight, each raw material：Tertiary butyl is to biphenol 1-2, stearic acid 2-4, titanium dioxide 20-30, poly-
Tetrafluoroethene wax 4-7, boron trifluoride ether 0.1-0.2, thionyl chloride 40-50, dimethylformamide 30-40, amination polyester breast
Liquid 40-60, epoxy resin E51 100-170.
Preferably, the amination polyester emulsion, is made by following preparation process：
1）Ammonium persulfate is taken, is added in the deionized water of 180-210 times of its weight, stirs evenly；
2）Diethylenetriamine is taken, is added in the absolute ethyl alcohol of 7-9 times of its weight, stirs evenly, obtain alkanolamine solution；
3）Take butyl acrylate, methyl methacrylate, ammonium polyphosphate mixing, be added to 10-18 times of mixture weight go from
It in sub- water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, it is 65-70 DEG C to adjust temperature of reaction kettle, and above-mentioned over cure is added
Above-mentioned alkanolamine solution is added in sour aqueous ammonium, insulated and stirred 4-6 hours, and it is 90-95 DEG C to increase temperature, 10-20 points of insulated and stirred
Fatty diglycollic amide is added in clock, discharging, and stirring is to room temperature to get the amination polyester emulsion.
Preferably, the amination polyester emulsion is made of the raw material of following weight parts：
Butyl acrylate 60-70, methyl methacrylate 10-20, ammonium persulfate 1.7-2, diethylenetriamine 4-7, aliphatic acid two
Glycollic amide 1-2, ammonium polyphosphate 3-4.
Advantages of the present invention：
The present invention, can be effective with ammonium polyphosphate blending polymerization first using butyl acrylate, methyl methacrylate as monomer
The flame retardant property of finished product film is improved, the present invention handles polyester using diethylenetriamine, obtains amination polyester emulsion, then use
Stearic acid handles titanium dioxide, chloride processing is then carried out, by chloride titanium dioxide and amination polyester emulsion blending reaction, anti-
Middle introducing epoxy resin is answered, to effectively improve dispersion performance of the epoxy resin between aqueous emulsion, to improve finished product
The mechanical stability of coating, the polytetrafluoroethylwax wax that the present invention is added have good viscosity, can improve finished product coating and base
The adhesive force of material enhances peel strength.
Specific implementation mode
Embodiment 1
By weight, each raw material is weighed：
Tertiary butyl is to biphenol 2, stearic acid 4, titanium dioxide 30, polytetrafluoroethylwax wax 7, boron trifluoride ether 0.2, thionyl chloride
50, dimethylformamide 40, amination polyester emulsion 60, epoxy resin E51 170.
What the amination polyester emulsion was made of the raw material of following weight parts：
Butyl acrylate 70, ammonium persulfate 2, diethylenetriamine 7, fatty diglycollic amide 2, gathers methyl methacrylate 20
Ammonium phosphate 4.
The preparation method of the amination polyester emulsion, includes the following steps：
（1）Ammonium persulfate is taken, is added in the deionized water of 210 times of its weight, stirs evenly；
（2）Diethylenetriamine is taken, is added in the absolute ethyl alcohol of 9 times of its weight, is stirred evenly, obtain alkanolamine solution；
（3）Butyl acrylate, methyl methacrylate, ammonium polyphosphate mixing are taken, the deionization of 18 times of mixture weight is added to
It in water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, it is 70 DEG C to adjust temperature of reaction kettle, and above-mentioned ammonium persulfate water is added
Above-mentioned alkanolamine solution is added in solution, insulated and stirred 6 hours, and it is 95 DEG C to increase temperature, insulated and stirred 20 minutes, and fat is added in discharging
Fat acid diglycollic amide, stirring is to room temperature to get the amination polyester emulsion.
A kind of preparation method of high attachment waterborne epoxy coatings, includes the following steps：
（1）Polytetrafluoroethylwax wax is taken, is added in dimethylformamide, is sent in 140 DEG C of constant temperature oil bath, insulated and stirred 30
Minute, discharging cooling obtains amide solution；
（2）It takes tertiary butyl to biphenol, is added in thionyl chloride, ultrasound 5 minutes obtains thionyl chloride solution；
（3）Stearic acid, heating fusing is taken to be mixed with titanium dioxide, insulated and stirred 2 hours is added in above-mentioned thionyl chloride solution,
It stirs evenly, amide solution is added, insulated and stirred 30 hours at 80 DEG C discharge, and centrifuge, and precipitation is washed, and room temperature is dry
It is dry, obtain chloride titanium dioxide；
（4）Above-mentioned chloride titanium dioxide is taken, is added in amination polyester emulsion, stirs evenly, it is 95 DEG C to increase temperature, and ring is added
Boron trifluoride ether is added in oxygen resin E51, insulated and stirred 5 hours, and stirring to room temperature applies to get the high attachment water-base epoxy
Material.
Embodiment 2
By weight, each raw material is weighed：
Tertiary butyl is to biphenol 1, stearic acid 2, titanium dioxide 20, polytetrafluoroethylwax wax 4, boron trifluoride ether 0.1, thionyl chloride
40, dimethylformamide 30, amination polyester emulsion 40, epoxy resin E51 100.
What the amination polyester emulsion was made of the raw material of following weight parts：
Butyl acrylate 60, methyl methacrylate 10, ammonium persulfate 1.7, diethylenetriamine 4, fatty diglycollic amide 1,
Ammonium polyphosphate 3.
The preparation method of the amination polyester emulsion, includes the following steps：
（1）Ammonium persulfate is taken, is added in the deionized water of 180 times of its weight, stirs evenly；
（2）Diethylenetriamine is taken, is added in the absolute ethyl alcohol of 7 times of its weight, is stirred evenly, obtain alkanolamine solution；
（3）Butyl acrylate, methyl methacrylate, ammonium polyphosphate mixing are taken, the deionization of 10 times of mixture weight is added to
It in water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, it is 65 DEG C to adjust temperature of reaction kettle, and above-mentioned ammonium persulfate water is added
Above-mentioned alkanolamine solution is added in solution, insulated and stirred 4 hours, and it is 90 DEG C to increase temperature, insulated and stirred 10 minutes, and fat is added in discharging
Fat acid diglycollic amide, stirring is to room temperature to get the amination polyester emulsion.
A kind of preparation method of high attachment waterborne epoxy coatings, includes the following steps：
（1）Polytetrafluoroethylwax wax is taken, is added in dimethylformamide, is sent in 135 DEG C of constant temperature oil bath, insulated and stirred 20
Minute, discharging cooling obtains amide solution；
（2）It takes tertiary butyl to biphenol, is added in thionyl chloride, ultrasound 3 minutes obtains thionyl chloride solution；
（3）Stearic acid, heating fusing is taken to be mixed with titanium dioxide, insulated and stirred 1 hour is added in above-mentioned thionyl chloride solution,
It stirs evenly, amide solution is added, insulated and stirred 20 hours at 70 DEG C discharge, and centrifuge, and precipitation is washed, and room temperature is dry
It is dry, obtain chloride titanium dioxide；
（4）Above-mentioned chloride titanium dioxide is taken, is added in amination polyester emulsion, stirs evenly, it is 90 DEG C to increase temperature, and ring is added
Boron trifluoride ether is added in oxygen resin E51, insulated and stirred 3 hours, and stirring to room temperature applies to get the high attachment water-base epoxy
Material.
Performance test：
Coating of the present invention is without caking without deposition, and coating flat smooth is without particle；
Low temperature flexibility：- 25 DEG C, 30min, flawless, without fracture；
Adhesion strength：0.6-0.8MPa；
According to GB/T1720-1979（1989）Carry out adhesive force test：
The adhesive force of the coating of the present invention is 1 grade；The adhesive force of commercially available waterborne epoxy coatings is 2 grades.
Claims (4)
1. a kind of high attachment waterborne epoxy coatings, it is characterised in that：It is made by following steps：
（1）Polytetrafluoroethylwax wax is taken, is added in dimethylformamide, is sent in 135-140 DEG C of constant temperature oil bath, heat preservation is stirred
It mixes 20-30 minutes, discharging cooling obtains amide solution；
（2）It takes tertiary butyl to biphenol, is added in thionyl chloride, it is 3-5 minutes ultrasonic, obtain thionyl chloride solution；
（3）Stearic acid, heating fusing is taken to be mixed with titanium dioxide, insulated and stirred 1-2 hours is added to above-mentioned thionyl chloride solution
In, it stirs evenly, amide solution is added, insulated and stirred 20-30 hours at 70-80 DEG C, discharge, centrifuge, water will be precipitated
It washes, air drying, obtains chloride titanium dioxide；
（4）Above-mentioned chloride titanium dioxide is taken, is added in amination polyester emulsion, stirs evenly, it is 90-95 DEG C to increase temperature, is added
Enter epoxy resin E51, boron trifluoride ether is added in insulated and stirred 3-5 hours, and stirring to room temperature is aqueous to get the high attachment
Epoxy coating.
2. a kind of high attachment waterborne epoxy coatings according to claim 1, it is characterised in that：It counts in parts by weight, each original
Material：Tertiary butyl is to biphenol 1-2, stearic acid 2-4, titanium dioxide 20-30, polytetrafluoroethylwax wax 4-7, boron trifluoride ether 0.1-
0.2, thionyl chloride 40-50, dimethylformamide 30-40, amination polyester emulsion 40-60, epoxy resin E51 100-170.
3. a kind of high attachment waterborne epoxy coatings according to claim 1 or 2, it is characterised in that：The amination polyester
Lotion is made by following preparation process：
1）Ammonium persulfate is taken, is added in the deionized water of 180-210 times of its weight, stirs evenly；
2）Diethylenetriamine is taken, is added in the absolute ethyl alcohol of 7-9 times of its weight, stirs evenly, obtain alkanolamine solution；
3）Take butyl acrylate, methyl methacrylate, ammonium polyphosphate mixing, be added to 10-18 times of mixture weight go from
It in sub- water, stirs evenly, is sent in reaction kettle, be passed through nitrogen, it is 65-70 DEG C to adjust temperature of reaction kettle, and above-mentioned over cure is added
Above-mentioned alkanolamine solution is added in sour aqueous ammonium, insulated and stirred 4-6 hours, and it is 90-95 DEG C to increase temperature, 10-20 points of insulated and stirred
Fatty diglycollic amide is added in clock, discharging, and stirring is to room temperature to get the amination polyester emulsion.
4. a kind of high attachment waterborne epoxy coatings according to claim 1, it is characterised in that：The amination polyester emulsion
It is made of the raw material of following weight parts：
Butyl acrylate 60-70, methyl methacrylate 10-20, ammonium persulfate 1.7-2, diethylenetriamine 4-7, aliphatic acid two
Glycollic amide 1-2, ammonium polyphosphate 3-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697072.4A CN108753115A (en) | 2018-06-29 | 2018-06-29 | A kind of high attachment waterborne epoxy coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697072.4A CN108753115A (en) | 2018-06-29 | 2018-06-29 | A kind of high attachment waterborne epoxy coatings |
Publications (1)
| Publication Number | Publication Date |
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| CN108753115A true CN108753115A (en) | 2018-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810697072.4A Pending CN108753115A (en) | 2018-06-29 | 2018-06-29 | A kind of high attachment waterborne epoxy coatings |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702889A (en) * | 2012-06-01 | 2012-10-03 | 安徽省金盾涂料有限责任公司 | Anti-bacterial water-based paint and preparation method thereof |
| JP2018083299A (en) * | 2016-11-21 | 2018-05-31 | コニカミノルタ株式会社 | Image forming method, inkjet image forming apparatus, and inkjet image forming system |
| CN108192313A (en) * | 2018-01-22 | 2018-06-22 | 王秋永 | A kind of polyester environmental protection specular material |
-
2018
- 2018-06-29 CN CN201810697072.4A patent/CN108753115A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702889A (en) * | 2012-06-01 | 2012-10-03 | 安徽省金盾涂料有限责任公司 | Anti-bacterial water-based paint and preparation method thereof |
| JP2018083299A (en) * | 2016-11-21 | 2018-05-31 | コニカミノルタ株式会社 | Image forming method, inkjet image forming apparatus, and inkjet image forming system |
| CN108192313A (en) * | 2018-01-22 | 2018-06-22 | 王秋永 | A kind of polyester environmental protection specular material |
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Application publication date: 20181106 |
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