CN105315838A - Cathode electrophoretic paint liquid and preparation method therefor - Google Patents
Cathode electrophoretic paint liquid and preparation method therefor Download PDFInfo
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- CN105315838A CN105315838A CN201410378727.3A CN201410378727A CN105315838A CN 105315838 A CN105315838 A CN 105315838A CN 201410378727 A CN201410378727 A CN 201410378727A CN 105315838 A CN105315838 A CN 105315838A
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- painting liquid
- cathode electrodip
- electrodip painting
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Abstract
The invention provides a cathode electrophoretic paint liquid which is prepared from the following components in parts by weight: 25-45 parts of a modified amine curing agent, 10-15 parts of a crosslinking agent, 5-10 parts of resin color paste, 3-5 parts of a neutralizer and 10-15 parts of a cosolvent, wherein the modified amine curing agent is prepared by the following components in a molar ratio: polyamine: glycidyl ether: a double bond-containing compound=(0.5-1.0): (0.1-0.5):(0.5-1.5). The cathode electrophoretic paint liquid is convenient to construct, strong in corrosion resistance, stable in performance and high in adaptability on construction condition, and has good film thickness and throwing power.
Description
Technical field
The invention belongs to paint technology field, especially relate to a kind of cathode electrodip painting liquid and preparation method thereof.
Background technology
Electrocoating paint is also electrophoretic paint, and along with constantly appearing in one's mind of Typical spray defect, electrophoresis starts to become more and more universal, and the development of electrocoating paint also promotes the development of electrophoretic painting, makes more product not re-use spraying technology but uses electrophoretic technique.
Electrophoretic paint is as the coating of the novel low stain of a class and Corrosion Protection, and have smooth coating, the features such as water-fast and chemical resistant properties is good, easily realize mechanize and the automatization of application industry.Electrocoating paint is especially applicable to complex-shaped, has the application of edge corner angle and hole workpiece, very popular.
Summary of the invention
First object of the present invention is to provide a kind of cathode electrodip painting liquid, and described cathode electrodip painting liquid is prepared by the component comprising following parts by weight:
Further, described modified amine curing agent is prepared by the component comprising following mol ratio: polyamine: glycidyl ether: containing double bond compound=(0.5-1.0): (0.1-0.5): (0.5-1.5).
Preferably, described polyamine is be the one in diamines of selecting oneself, quadrol, diethylenetriamine, triethylene tetramine, benzene dimethylamine.
Preferably, described glycidyl ether is epoxy propane butyl ether or propylene oxide phenyl ether.
Preferably, described is vinyl cyanide containing double bond compound.
The preparation that second object of the present invention is to provide modified amine curing agent is taken precautions against, comprise the steps: to mix by glycidyl ether with containing double bond compound according to proportioning, polyamine is taken in reaction vessel according to proportioning, be heated to 50-70 DEG C, drip the mixed solution of glycidyl ether and double bond compound, in 50-70 DEG C of insulation 1-2h after dropwising, vacuum removal low-molecular material.
Preferably, described linking agent is many isocyanide esters.
Preferably, described resin mill base is epoxy resin mill base.
Preferably, described neutralizing agent is be selected from one or more in triethylamine, dimethyl acetic acid amine or ammonium hydroxide.
3rd object of the present invention is to provide the preparation method of cathode electrodip painting liquid, modified amine curing agent, resin mill base, neutralizing agent, linking agent and solubility promoter mixing preparation is formed according to proportioning.
The advantage that the present invention has and positively effect are:
1, solvent is without benzene class, and safety non-toxic is pollution-free to construction environment, harmless to Health Status For Workers Exposed;
2, easy construction, corrosive nature is strong, and paint film appearance is good, stable performance;
3, to execution conditions strong adaptability, there is good film thickness and throwing power.
Embodiment
Embodiment 1
The preparation of modified amine curing agent
By 1mol chloropropane butyl ether and 3mol vinyl cyanide according to mixing, then by 1mol quadrol as in reaction vessel, be heated to 50-70 DEG C, then in hexanediamine, drip the mixture of epoxy chloropropane and vinyl cyanide, dropwise follow-up continuous insulation reaction 1.5h, after reaction terminates, remove low-molecular material under vacuum condition, remember modified amine curing agent.
Embodiment 2
The preparation of cathode electrodip painting liquid
By the modified firming agent that embodiment 1 prepares, many isocyanide esters, epoxy resin mill base, triethylamine and solubility promoter are 25 parts according to parts by weight, 10 parts, 8 parts, and the ratio of 3 parts and 15 parts mixes, and namely obtains cathode electrodip painting liquid.
Embodiment 3
The preparation of cathode electrodip painting liquid
By the modified firming agent that embodiment 1 prepares, many isocyanide esters, epoxy resin mill base, ammonium hydroxide and solubility promoter are 40 parts according to parts by weight, 13 parts, 5 parts, and the ratio of 3 parts and 10 parts mixes, and namely obtains cathode electrodip painting liquid.
The using method of this cathode electrodip painting liquid: in electrophoresis chamber, cathode electrodip painting liquid and distilled water are modulated into construction working liquid according to the ratio of 1:4, circulation stirring can use under corresponding construction temperature condition after 48 hours again; Before construction, first workpiece surface is carried out phosphatization or Passivation Treatment, then dry with distilled water flushing; Coating process parameter: tank liquor temperature 27-29 DEG C, tank liquor pH value 6-7, tank liquor cycle index 4-6 time/hour, construction voltage 160-330v, electrophoresis time 120-180s, storing temperature 170 DEG C.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (10)
1. a cathode electrodip painting liquid, is characterized in that: described cathode electrodip painting liquid is prepared by the component comprising following parts by weight:
2. cathode electrodip painting liquid according to claim 1, is characterized in that: described modified amine curing agent is prepared by the component comprising following mol ratio: polyamine: glycidyl ether: containing double bond compound=(0.5-1.0): (0.1-0.5): (0.5-1.5).
3. cathode electrodip painting liquid according to claim 2, is characterized in that: described polyamine is be the one in diamines of selecting oneself, quadrol, diethylenetriamine, triethylene tetramine, benzene dimethylamine.
4. cathode electrodip painting liquid according to claim 2, is characterized in that: described glycidyl ether is epoxy propane butyl ether or propylene oxide phenyl ether.
5. cathode electrodip painting liquid according to claim 2, is characterized in that: described is vinyl cyanide containing double bond compound.
6. the preparation method of modified amine curing agent, it is characterized in that: mix by glycidyl ether with containing double bond compound according to proportioning, polyamine is taken in reaction vessel according to proportioning, be heated to 50-70 DEG C, drip the mixed solution of glycidyl ether and double bond compound, in 50-70 DEG C of insulation 1-2h after dropwising, vacuum removal low-molecular material.
7. cathode electrodip painting liquid according to claim 1, is characterized in that: described linking agent is many isocyanide esters.
8. cathode electrodip painting liquid according to claim 1, is characterized in that: described resin mill base is epoxy resin mill base.
9. cathode electrodip painting liquid according to claim 1, is characterized in that: described neutralizing agent is be selected from one or more in triethylamine, dimethyl acetic acid amine or ammonium hydroxide.
10. the preparation method of cathode electrodip painting liquid, is characterized in that: modified amine curing agent, resin mill base, neutralizing agent, linking agent and solubility promoter mixing preparation are formed according to proportioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378727.3A CN105315838A (en) | 2014-07-31 | 2014-07-31 | Cathode electrophoretic paint liquid and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378727.3A CN105315838A (en) | 2014-07-31 | 2014-07-31 | Cathode electrophoretic paint liquid and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105315838A true CN105315838A (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410378727.3A Pending CN105315838A (en) | 2014-07-31 | 2014-07-31 | Cathode electrophoretic paint liquid and preparation method therefor |
Country Status (1)
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| CN (1) | CN105315838A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968322A (en) * | 2016-05-30 | 2016-09-28 | 广东科德环保科技股份有限公司 | Anti-shrinkage agent and cathode electrophoresis coating composition comprising same |
| CN106905748A (en) * | 2017-04-06 | 2017-06-30 | 广德瑞邦涂料有限公司 | A kind of transparent aluminum alloy electrophoresis paint |
| CN106947328A (en) * | 2017-04-06 | 2017-07-14 | 广德瑞邦涂料有限公司 | A kind of dumb light cathode electrodip painting |
| CN107699936A (en) * | 2017-09-02 | 2018-02-16 | 湖南金牛铝业有限公司 | A kind of heat insulation broken bridge aluminum profile electrophoresis painting technique |
| CN108047804A (en) * | 2017-11-23 | 2018-05-18 | 安徽珩业车轮有限公司 | A kind of electrophoretic paint of wheel hub |
| CN110437665A (en) * | 2019-07-26 | 2019-11-12 | 中国兵器工业第五九研究所 | A kind of cathode electrophoresis dope anti-corrosive aids and preparation method thereof |
-
2014
- 2014-07-31 CN CN201410378727.3A patent/CN105315838A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968322A (en) * | 2016-05-30 | 2016-09-28 | 广东科德环保科技股份有限公司 | Anti-shrinkage agent and cathode electrophoresis coating composition comprising same |
| CN106905748A (en) * | 2017-04-06 | 2017-06-30 | 广德瑞邦涂料有限公司 | A kind of transparent aluminum alloy electrophoresis paint |
| CN106947328A (en) * | 2017-04-06 | 2017-07-14 | 广德瑞邦涂料有限公司 | A kind of dumb light cathode electrodip painting |
| CN107699936A (en) * | 2017-09-02 | 2018-02-16 | 湖南金牛铝业有限公司 | A kind of heat insulation broken bridge aluminum profile electrophoresis painting technique |
| CN108047804A (en) * | 2017-11-23 | 2018-05-18 | 安徽珩业车轮有限公司 | A kind of electrophoretic paint of wheel hub |
| CN110437665A (en) * | 2019-07-26 | 2019-11-12 | 中国兵器工业第五九研究所 | A kind of cathode electrophoresis dope anti-corrosive aids and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160210 |
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| WD01 | Invention patent application deemed withdrawn after publication |