CN1069506A - The production method of polybutadiene anodic electrophoresis paint - Google Patents
The production method of polybutadiene anodic electrophoresis paint Download PDFInfo
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- CN1069506A CN1069506A CN 92109259 CN92109259A CN1069506A CN 1069506 A CN1069506 A CN 1069506A CN 92109259 CN92109259 CN 92109259 CN 92109259 A CN92109259 A CN 92109259A CN 1069506 A CN1069506 A CN 1069506A
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- polybutadiene
- electrophoresis paint
- anodic electrophoresis
- polyhutadiene
- water
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Abstract
The present invention relates to a kind of production method that is used for the polybutadiene anodic electrophoresis paint of walking machine metal parts application, it is that the employing polyhutadiene is a starting raw material, make the water-soluble poly butadiene resin with MALEIC ANHYDRIDE, polyether resin, butanols, ammoniacal liquor reaction, mix with iron oxide black, carbon black, barium sulfate then, after grinding, adding thanomin, potassium hydroxide are made.Its salt spray resistance of polybutadiene anodic electrophoresis paint made from this method can reach (ASTM method) more than 240 hours, is better than pure phenolic aldehyde, epoxies anodic electrophoresis paint, also can save a large amount of vegetables oil simultaneously.
Description
The present invention relates to a kind of production method of anodic electrophoresis paint, this anodic electrophoresis paint is specially adapted to the application of the various metal partss of walking machine.
Existing anodic electrophoresis paint is a main film forming substance with Resins, epoxy and resol generally, and the anodic electrophoresis paint of producing, its Corrosion Protection can only reach 24-48 hour, does not satisfy the requirement of some producers to Corrosion Protection.
The object of the invention is to provide a kind of do not have waste water, waste residue, does not cause environmental pollution, saves vegetables oil, anticorrosion and coating performance good, is the anodic electrophoresis paint production method of starting raw material with the polyhutadiene.
The present invention seeks to realize like this, is starting raw material with the polyhutadiene, makes the water-soluble poly butadiene resin through reaction, is the raw material production polybutadiene anodic electrophoresis paint with the water-soluble poly butadiene resin again.
One, the preparation of water-soluble poly butadiene resin
With liquid polybutadiene and MALEIC ANHYDRIDE after treatment, put into reactor and carry out addition reaction, this reaction refluxing xylene, 130-150 ℃ begins to reflux, distills, after purifying water in 4-6 hour, begin to heat up, when temperature reaches 190-210 ℃, keep temperature that reaction is continued, and measured viscosity every 30 minutes, (Ge Shi manages method during second when viscosity reaches 9-13,25 ℃, portions of resin dimethylbenzene=8: 2) begin to cool to 130-150 ℃, add polyether resin and carry out etherification reaction, after reaction is carried out 1-3 hour, cool to 110-130 ℃ and add butanols, adding ammoniacal liquor closes in carrying out in the time of 60-80 ℃, adds water and stirs, water soluble resin, simultaneously this resin is filtered, remove impurity, store standby.
Two, the preparation of polybutadiene anodic electrophoresis paint
Water-soluble poly butadiene resin and iron oxide black, carbon black, barium sulfate are mixed, grind dispersion after 30-40 minute, when fineness reaches 40 μ m when following, stop grinding, put into paint mixing tank with grinding qualified paint vehicle, add thanomin, potassium hydroxide, adjusting solid part is 50 ± 2%, pH value is 8.0-9.0, promptly makes the finished product polybutadiene anodic electrophoresis paint.
Raw materials used weight percent and preferred percent are as follows:
(1) the preparation raw material per-cent and the preferred percent of water-soluble poly butadiene resin
The per-cent preferred percent
Polyhutadiene 65-75 68
MALEIC ANHYDRIDE 10-14 12
Polyether resin 2-6 4
Dimethylbenzene 14-18 (backflow) 16 (backflow)
Ammoniacal liquor is an amount of
Butanols 14-18 16
(2) the preparation raw material weight per-cent and the preferred percent of polybutadiene anodic electrophoresis paint
The per-cent preferred percent
The water-soluble poly fourth
Diene resin 80-90 86
Iron black 5-6 5.4
Carbon black 2-4 3
Barium sulfate 3-4 3.6
Thanomin 0.2 0.2
Potassium hydroxide 0.3 0.3
The present invention can use equipment general in the anodic electrophoresis paint production technique field and mode to carry out production operation process of the present invention.
Through the polybutadiene anodic electrophoresis paint that the present invention produces, its salt spray resistance can reach (ASTM method) more than 240 hours, and pure phenolic aldehyde, epoxies anodic electrophoresis paint salt spray resistance can only reach 24-48 hour.This invention simultaneously can be saved a large amount of vegetables oil, does not have waste water, waste residue to produce in the production process of the present invention, only produces small amount of exhaust gas, unifies to handle after can absorbing by water, can not cause environmental pollution.
Fig. 1 is the process flow sheet of preparation water-soluble poly butadiene resin
Fig. 2 is the process flow sheet of preparation polybutadiene anodic electrophoresis paint
The invention will be further described below in conjunction with accompanying drawing:
According to process flow sheet shown in Figure 1, at first be equipped with into polyhutadiene 425 grams, MALEIC ANHYDRIDE 75 restrains carries out addition reaction in reactor, add 20 gram dimethylbenzene simultaneously and reflux, and distills.Begin in the time of 140 ℃ to reflux, after purifying water in 5 hours, begin to warm to 200 ℃, and insulation makes it to continue reaction, and measured viscosity every 30 minutes, when viscosity reaches 12 seconds, termination reaction, begin to cool to 140 ℃ and add 25 gram polyether resin reactions 2 hours, cool to 120 ℃ and add 100 gram butanols, add in the ammoniacal liquor (in right amount) in the time of 70 ℃ and close, thin up stirs and is the water-soluble poly butadiene resin, filter simultaneously and remove impurity, store standby.
According to process flow sheet shown in Figure 2, be to get 430 grams in the water-soluble poly butadiene resin that in technical process shown in Figure 1, prepares, add material-compound tank, add iron black 27 grams simultaneously, carbon black 15 grams, barium sulfate 18 grams, mix, after 35 minutes, grind dispersion, when fineness reaches below the 40 μ m, stop to grind, put into paint mixing tank, add thanomin 1 gram, potassium hydroxide 1.5 grams, adjusting solid part is 50 ± 2%, pH value is 8.0-9.0, promptly makes polybutadiene anodic electrophoresis paint.
Claims (4)
1, a kind of is the production method that starting raw material is produced polybutadiene anodic electrophoresis paint with the polyhutadiene, it is characterized in that polyhutadiene is made the water-soluble poly butadiene resin, mix with iron oxide black, carbon black, barium sulfate then, grind the back and add thanomin, potassium hydroxide.
2, according to the method for the described production polybutadiene anodic electrophoresis paint of claim 1, the per-cent that it is characterized in that preparing the raw material weight of water-soluble poly butadiene resin is:
Polyhutadiene 65-75
MALEIC ANHYDRIDE 10-14
Polyether resin 2-6
Dimethylbenzene 14-18(refluxes)
Ammoniacal liquor is an amount of
Butanols 14-18
3, according to the described polybutadiene anodic electrophoresis paint production method of claim 2, it is characterized in that polyhutadiene and MALEIC ANHYDRIDE put into reactor and carry out addition reaction, use refluxing xylene, begin to reflux, after dehydration in 4-6 hour at 130-150 ℃, intensification reaches 190-210 ℃ of insulation, when viscosity reaches 9-13 during second, cool to 130-150 ℃ and add polyether resin, after reaction is carried out 1-3 hour, cool to 110-130 ℃ and add butanols, add in the ammoniacal liquor at 60-80 ℃ and close.
4, it is characterized in that according to claim 2,3 production methods of producing polybutadiene anodic electrophoresis paint raw material weight per-cent is:
Water-soluble poly butadiene resin 80-90
Iron black 5-6
Carbon black 2-4
Barium sulfate 3-4
Thanomin 0.2
Potassium hydroxide 0.3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109259 CN1069506A (en) | 1992-08-08 | 1992-08-08 | The production method of polybutadiene anodic electrophoresis paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109259 CN1069506A (en) | 1992-08-08 | 1992-08-08 | The production method of polybutadiene anodic electrophoresis paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1069506A true CN1069506A (en) | 1993-03-03 |
Family
ID=4944047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92109259 Pending CN1069506A (en) | 1992-08-08 | 1992-08-08 | The production method of polybutadiene anodic electrophoresis paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089103B (en) * | 2007-07-13 | 2010-10-06 | 武汉双虎汽车涂料有限公司 | Flash electrophoretic paint and its preparation process |
| CN102807660A (en) * | 2012-08-08 | 2012-12-05 | 山东奔腾漆业有限公司 | Resin for water-soluble anode electrophoretic paint and preparation method of resin |
-
1992
- 1992-08-08 CN CN 92109259 patent/CN1069506A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089103B (en) * | 2007-07-13 | 2010-10-06 | 武汉双虎汽车涂料有限公司 | Flash electrophoretic paint and its preparation process |
| CN102807660A (en) * | 2012-08-08 | 2012-12-05 | 山东奔腾漆业有限公司 | Resin for water-soluble anode electrophoretic paint and preparation method of resin |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |