CN103756508B - A kind of preparation method of the environmental protection coating material for container inner surface - Google Patents
A kind of preparation method of the environmental protection coating material for container inner surface Download PDFInfo
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- CN103756508B CN103756508B CN201410007093.0A CN201410007093A CN103756508B CN 103756508 B CN103756508 B CN 103756508B CN 201410007093 A CN201410007093 A CN 201410007093A CN 103756508 B CN103756508 B CN 103756508B
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Abstract
A kind of preparation method of the environmental protection coating material for container inner surface, comprise the following steps: 1) low molecular weight liquid epoxy, rutile type titanium white, inorganic filler, nanometer additive, dispersant, defoamer, auxiliary rheological agents, environment-friendly toughened dose and levelling agent are added in a mixing bowl successively, below dispersion grinding to 40 micron; 2) in the material obtaining in step 1), add color paste toning, with environmental protection organic solvent adjusting viscosity, obtain A component; 3) separately get low-viscosity polyamides resin, polyether amine, environmental protection organic solvent, add in material cylinder and stir, in whipping process, add low molecular weight liquid epoxy, react 24 hours; 4) in the material obtaining in step 3), add environment-friendly toughened dose, curing accelerator, obtain B component; 5), when coating decoration, A component is mixed with the ratio of 2:1 with B component. The coating that method of the present invention processes environmental protection more, and paint film property can meet container instructions for use.
Description
Technical field
The present invention relates to coating manufacturing technology field, be specifically related to a kind of preparation method of the environmental protection coating material for container inner surface.
Background technology
In the prior art, conventionally all higher for the volatile organic content of the coating of container inner surface, generally in 500 grams per liters left and right. In work progress, organic solvent volatilization contaminated environment, wherein some composition also can destroy earth's ozone layer.
In prior art, need a kind of coating for container inner surface of environmental protection more badly, this coating adopts new formula system, and the content of volatile organic matter is significantly reduced, thereby alleviates the negative effect of container coating process to environment.
Summary of the invention
The object of the invention is the deficiency existing in order to overcome prior art, provide the preparation method of the environmental protection coating material for container inner surface that a kind of organic volatile content is low, to alleviate the negative effect of container coating process to environment.
The present invention is achieved by the following technical solutions: a kind of preparation method of the environmental protection coating material for container inner surface, comprise the following steps: 1) 0.2～1.5 part of 15～50 parts of low molecular weight liquid epoxy, 5～40 parts of rutile type titanium whites, 5～45 parts of inorganic fillers, 1～5 part of nanometer additive, 0.2～1.5 part of dispersant, 0.05～0.5 part of defoamer, 0.1～1.5 part, environment-friendly toughened dose 1～15 part of auxiliary rheological agents and levelling agent is added in a mixing bowl successively, below dispersion grinding to 40 micron;
2) in the material obtaining in step 1), add color paste toning, with 0.1～3 part of environmental protection organic solvent adjusting viscosity, obtain A component;
3) separately get 5～50 parts of low-viscosity polyamides resins, 5～50 parts of polyether amine, 0.1～10 part of environmental protection organic solvent, add in material cylinder and stir, in whipping process, add 2～20 parts of low molecular weight liquid epoxy, react 24 hours;
4) in the material obtaining in step 3), add 3～20 parts of environment-friendly toughened dose 1～15 parts, curing accelerator, obtain B component;
5), when coating decoration, A component is mixed with the ratio of 2:1 with B component.
The invention has the beneficial effects as follows: the volatile organic content (VOC) of the coating that method of the present invention processes is lower, volatile organic content is below 150 grams per liters, less to environment negative effect in the time of the application of container inner surface, and paint film property can meet container instructions for use.
Detailed description of the invention
Embodiment 1
In the present embodiment, low molecular weight liquid epoxy in A component and B component is all selected bisphenol-A liquid epoxy resin, nanometer additive is selected aerosil, environmental protection organic solvent in A component and B component is all selected propylene glycol monomethyl ether, low-viscosity polyamides resin is selected and is liked that jail reaches the Aradur140 resin of brand, and curing accelerator is selected DMP-30 epoxy curing agent.
Preparation method in this embodiment, comprises the following steps:
1) 0.2 part of 15 parts of low molecular weight liquid epoxy, 5 parts of rutile type titanium whites, 5 parts of inorganic fillers, 1 part of nanometer additive, 0.2 part of dispersant, 0.05 part of defoamer, 0.1 part, environment-friendly toughened dose 1 part of auxiliary rheological agents and levelling agent is added in a mixing bowl successively, below dispersion grinding to 40 micron;
2) in the material obtaining in step 1), add color paste toning, with 0.1 part of environmental protection organic solvent adjusting viscosity, obtain A component;
3) separately get 5 parts of low-viscosity polyamides resins, 5 parts of polyether amine, 0.1 part of environmental protection organic solvent, add in material cylinder and stir, in whipping process, add 2 parts of low molecular weight liquid epoxy, react 24 hours;
4) in the material obtaining in step 3), add 3 parts of environment-friendly toughened dose 1 parts, curing accelerator, obtain B component;
5), when coating decoration, A component is mixed with the ratio of 2:1 with B component.
Embodiment 2
In the present embodiment, low molecular weight liquid epoxy in A component and B component is all selected bisphenol-A liquid epoxy resin, nanometer additive is selected aerosil, environmental protection organic solvent in A component and B component is all selected propylene glycol monomethyl ether, low-viscosity polyamides resin is selected and is liked that jail reaches the Aradur140 resin of brand, and curing accelerator is selected DMP-30 epoxy curing agent.
Preparation method in this embodiment, comprises the following steps:
1) 1.5 parts of 50 parts of low molecular weight liquid epoxy, 40 parts of rutile type titanium whites, 45 parts of inorganic fillers, 5 parts of nanometer additives, 1.5 parts of dispersants, 0.5 part of defoamer, 1.5 parts, environment-friendly toughened dose 15 parts of auxiliary rheological agents and levelling agents are added in a mixing bowl successively, below dispersion grinding to 40 micron;
2) in the material obtaining in step 1), add color paste toning, with 3 parts of environmental protection organic solvent adjusting viscosities, obtain A component;
3) separately get 50 parts of low-viscosity polyamides resins, 50 parts of polyether amine, 10 parts of environmental protection organic solvents, add in material cylinder and stir, in whipping process, add 20 parts of low molecular weight liquid epoxy, react 24 hours;
4) in the material obtaining in step 3), add 20 parts of environment-friendly toughened dose 15 parts, curing accelerator, obtain B component;
5), when coating decoration, A component is mixed with the ratio of 2:1 with B component.
After testing, the volatile organic content (VOC) of the coating that embodiment 1 and embodiment 2 make is lower, and volatile organic content is below 150 grams per liters, and paint film property can meet container instructions for use.
Finally should be noted that; above content is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention or be equal to replacement, does not all depart from essence and the scope of technical solution of the present invention.
Claims (1)
1. the preparation method for the environmental protection coating material of container inner surface, it is characterized in that comprising the following steps: 1) 0.2～1.5 part of 15～50 parts of low molecular weight liquid epoxy, 5～40 parts of rutile type titanium whites, 5～45 parts of inorganic fillers, 1～5 part of nanometer additive, 0.2～1.5 part of dispersant, 0.05～0.5 part of defoamer, 0.1～1.5 part, environment-friendly toughened dose 1～15 part of auxiliary rheological agents and levelling agent is added in a mixing bowl successively, below dispersion grinding to 40 micron;
2) in the material obtaining in step 1), add color paste toning, with 0.1～3 part of environmental protection organic solvent adjusting viscosity, obtain A component;
3) separately get 5～50 parts of low-viscosity polyamides resins, 5～50 parts of polyether amine, 0.1～10 part of environmental protection organic solvent, add in material cylinder and stir, in whipping process, add 2～20 parts of low molecular weight liquid epoxy, react 24 hours;
4) in the material obtaining in step 3), add 3～20 parts of environment-friendly toughened dose 1～15 parts, curing accelerator, obtain B component;
5), when coating decoration, A component is mixed with the ratio of 2:1 with B component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410007093.0A CN103756508B (en) | 2014-01-08 | 2014-01-08 | A kind of preparation method of the environmental protection coating material for container inner surface |
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| CN201410007093.0A CN103756508B (en) | 2014-01-08 | 2014-01-08 | A kind of preparation method of the environmental protection coating material for container inner surface |
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| CN103756508A CN103756508A (en) | 2014-04-30 |
| CN103756508B true CN103756508B (en) | 2016-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105838205A (en) * | 2015-12-16 | 2016-08-10 | 中山市泰莱涂料化工有限公司 | High-solid content low-VOC high-gloss PE paint |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560356A (en) * | 2008-04-18 | 2009-10-21 | 核工业第八研究所 | Surface coating of composite cylinder liner |
| CN101955714A (en) * | 2009-07-21 | 2011-01-26 | 中涂化工（上海）有限公司 | High-performance primer coating for stainless steel container |
| CN102382548A (en) * | 2011-08-26 | 2012-03-21 | 中国石油天然气集团公司 | Solvent-free epoxy coating for inner wall of petroleum storage tank and preparation method |
| CN102732130A (en) * | 2012-07-18 | 2012-10-17 | 中国海洋石油总公司 | High solid anticorrosive paint and preparation method thereof |
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2014
- 2014-01-08 CN CN201410007093.0A patent/CN103756508B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560356A (en) * | 2008-04-18 | 2009-10-21 | 核工业第八研究所 | Surface coating of composite cylinder liner |
| CN101955714A (en) * | 2009-07-21 | 2011-01-26 | 中涂化工（上海）有限公司 | High-performance primer coating for stainless steel container |
| CN102382548A (en) * | 2011-08-26 | 2012-03-21 | 中国石油天然气集团公司 | Solvent-free epoxy coating for inner wall of petroleum storage tank and preparation method |
| CN102732130A (en) * | 2012-07-18 | 2012-10-17 | 中国海洋石油总公司 | High solid anticorrosive paint and preparation method thereof |
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Address after: 1515 Sicheng Road, Malu Town, Jiading District, Shanghai, 201801 Patentee after: Maijiaxincai new material technology (Shanghai) Co.,Ltd. Address before: 1515 Sicheng Road, Malu Town, Jiading District, Shanghai, 201801 Patentee before: MEGA COATINGS Co.,Ltd. |
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Application publication date: 20140430 Assignee: MEGA P&C (NANTONG) Co.,Ltd. Assignor: Maijiaxincai new material technology (Shanghai) Co.,Ltd. Contract record no.: X2021980002714 Denomination of invention: A preparation method of environmental protection coating for inner surface of container Granted publication date: 20160504 License type: Common License Record date: 20210416 |
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