CN114806364A - WPU (waterborne polyurethane) water-based paint and spraying method thereof - Google Patents
WPU (waterborne polyurethane) water-based paint and spraying method thereof Download PDFInfo
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- CN114806364A CN114806364A CN202210279181.0A CN202210279181A CN114806364A CN 114806364 A CN114806364 A CN 114806364A CN 202210279181 A CN202210279181 A CN 202210279181A CN 114806364 A CN114806364 A CN 114806364A
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- Prior art keywords
- parts
- water
- paint
- spraying
- waterborne
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000003973 paint Substances 0.000 title claims abstract description 58
- 238000005507 spraying Methods 0.000 title claims abstract description 46
- 229920002635 polyurethane Polymers 0.000 title abstract description 4
- 239000004814 polyurethane Substances 0.000 title abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims abstract description 6
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000006229 carbon black Substances 0.000 claims abstract description 6
- 239000013530 defoamer Substances 0.000 claims abstract description 6
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000002562 thickening agent Substances 0.000 claims abstract description 6
- 238000007865 diluting Methods 0.000 claims description 10
- 238000002372 labelling Methods 0.000 claims description 10
- 239000002966 varnish Substances 0.000 claims description 7
- 238000003908 quality control method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 6
- 239000002360 explosive Substances 0.000 abstract description 3
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/534—Base coat plus clear coat type the first layer being let to dry at least partially before applying the second layer
-
- 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
- C09D7/20—Diluents or solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses WPU (waterborne polyurethane) water-based paint and a spraying method thereof, and relates to the technical field of paint. The water paint comprises the following components in parts by weight: 546 parts of waterborne hydroxyl acrylic acid dispersoid, 102 parts of butyl cellosolve, 1.7 parts of ethylene glycol amine, 153.2 parts of water, 16.8 parts of waterborne thickener, 90 parts of carbon black powder, 90 parts of waterborne dispersant, 0.3 part of waterborne defoamer and 100 parts of WPU curing agent; the WPU curing agent consists of the following components in parts by weight: 70 parts of aqueous curing agent and 30 parts of PMA. The water paint disclosed by the invention is environment-friendly, safe, harmless, healthy, nonflammable and explosive, convenient to store and transport, and safer and more reliable to use as water is used for replacing an organic solvent; the spraying method of the invention is simple and quick in construction, and the mask can not be worn during construction due to environmental protection, thereby greatly improving the spraying efficiency.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to WPU (waterborne polyurethane) water-based paint and a spraying method thereof.
Background
Most of common paints on the market at present are not environment-friendly enough, easily cause air pollution, are harmful to human bodies, are unsafe to use, are inconvenient to store, are inflammable and explosive, and are not particularly convenient to transport.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the WPU water-based paint and the spraying method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme: the WPU water-based paint comprises the following components in parts by weight: 546 parts of waterborne hydroxyl acrylic acid dispersoid, 102 parts of butyl cellosolve, 1.7 parts of ethylene glycol amine, 153.2 parts of water, 16.8 parts of waterborne thickener, 90 parts of carbon black powder, 90 parts of waterborne dispersant, 0.3 part of waterborne defoamer and 100 parts of WPU curing agent.
The WPU curing agent consists of the following components in parts by weight: 70 parts of aqueous curing agent and 30 parts of PMA.
A WPU water-based paint spraying method comprises the following steps:
1. adding water into the water-based paint color paint, diluting at a ratio of 1:0.2-0.3, and standing for about 10 minutes;
2. spraying the diluted water-based paint color paint on a workpiece, standing for about 30 minutes after spraying, and re-spraying or splashing a layer;
3. standing for 30 minutes after the workpiece is sprayed, and then baking in an oven;
4. inspecting the colored paint after baking;
5. labeling the color paint after the color paint is inspected, and standing for 24 hours after labeling is finished;
6. quality control water marks;
7. spraying water paint gloss oil, diluting with water at a ratio of 1:0.2-0.3, standing for about 10 min, and spraying;
8. after spraying the water-based varnish gloss oil, standing for about 30 minutes, and baking in an oven;
9. and (6) quality inspection.
The baking conditions of the step 3 and the step 8 are as follows: and keeping the temperature at 130 ℃ for 30 minutes.
The invention has the beneficial effects that: the water paint disclosed by the invention is environment-friendly, safe, harmless, healthy, nonflammable and explosive, convenient to store and transport, and safer and more reliable to use as water is used for replacing an organic solvent; the spraying method of the invention is simple and quick in construction, and the mask can not be worn during construction due to environmental protection, thereby greatly improving the spraying efficiency.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The specific implementation mode adopts the following technical scheme: the WPU water-based paint comprises the following components in parts by weight: 546 parts of waterborne hydroxyl acrylic acid dispersoid, 102 parts of butyl cellosolve, 1.7 parts of ethylene glycol amine, 153.2 parts of water, 16.8 parts of waterborne thickener, 90 parts of carbon black powder, 90 parts of waterborne dispersant, 0.3 part of waterborne defoamer, 70 parts of waterborne curing agent and 30 parts of PMA.
A WPU water-based paint spraying method comprises the following steps:
1. adding water into the water-based paint color paint, diluting at a ratio of 1:0.2-0.3, and standing for about 10 minutes;
2. spraying the diluted water-based paint color paint on a workpiece, standing for about 30 minutes after spraying, and re-spraying or splashing a layer;
3. after the workpiece is sprayed, standing for 30 minutes and then baking in an oven, wherein the baking conditions are as follows: keeping the temperature at 130 ℃ for 30 minutes;
4. inspecting the colored paint after baking;
5. labeling the color paint after the color paint is inspected, and standing for 24 hours after labeling is finished;
6. quality control water marks;
7. spraying water paint gloss oil, diluting with water at a ratio of 1:0.2-0.3, and standing for about 10 minutes for spraying;
8. after spraying the water-based varnish gloss oil, standing for about 30 minutes, and baking in an oven; the baking conditions are as follows: keeping the temperature at 130 ℃ for 30 minutes;
9. and (6) quality inspection.
The WPU water paint has the advantages of environment-friendly formula, replacement of organic solvent with water, safety and reliability in use, nonflammability and explosiveness, convenience in storage, convenience in transportation, simplicity in spraying method, rapidness in construction, no need of wearing a mask during construction due to environment friendliness, and greatly improved spraying efficiency.
Example 1: the WPU water-based paint comprises the following components in parts by weight: 546 parts of waterborne hydroxyl acrylic acid dispersoid, 102 parts of butyl cellosolve, 1.7 parts of ethylene glycol amine, 153.2 parts of water, 16.8 parts of waterborne thickener, 90 parts of carbon black powder, 90 parts of waterborne dispersant, 0.3 part of waterborne defoamer, 70 parts of waterborne curing agent and 30 parts of PMA; the spray flow is as follows:
1. adding water into the water-based paint color paint, diluting at a ratio of 1:0.2, and standing for about 10 minutes;
2. spraying the diluted water-based paint color paint on a workpiece, standing for about 30 minutes after spraying, and re-spraying or splashing a layer;
3. after the workpiece is sprayed, standing for 30 minutes and then baking in an oven, wherein the baking conditions are as follows: keeping the temperature at 130 ℃ for 30 minutes;
4. inspecting the colored paint after baking;
5. labeling the color paint after the color paint is inspected, and standing for 24 hours after labeling is finished;
6. quality control water marks;
7. spraying water-based varnish, diluting with water at a ratio of 1:0.2, standing for about 10 minutes, and spraying;
8. after spraying the water-based varnish gloss oil, standing for about 30 minutes, and baking in an oven; the baking conditions are as follows: keeping the temperature at 130 ℃ for 30 minutes;
9. and (6) quality inspection.
Example 2: the WPU water-based paint comprises the following components in parts by weight: 546 parts of waterborne hydroxyl acrylic acid dispersoid, 102 parts of butyl cellosolve, 1.7 parts of ethylene glycol amine, 153.2 parts of water, 16.8 parts of waterborne thickener, 90 parts of carbon black powder, 90 parts of waterborne dispersant, 0.3 part of waterborne defoamer, 70 parts of waterborne curing agent and 30 parts of PMA; the spray flow is as follows:
1. adding water into the water-based paint color paint, diluting at a ratio of 1:0.3, and standing for about 10 minutes;
2. spraying the diluted water-based paint color paint on a workpiece, standing for about 30 minutes after spraying, and re-spraying or splashing a layer;
3. after the workpiece is sprayed, standing for 30 minutes and then baking in an oven, wherein the baking conditions are as follows: keeping the temperature at 130 ℃ for 30 minutes;
4. inspecting the colored paint after baking;
5. labeling after the color paint is inspected, and standing for 24 hours after labeling;
6. quality control water marks;
7. spraying water-based varnish, diluting with water at a ratio of 1:0.3, standing for about 10 minutes, and spraying;
8. after spraying the water-based varnish gloss oil, standing for about 30 minutes, and baking in an oven; the baking conditions are as follows: keeping the temperature at 130 ℃ for 30 minutes;
9. and (6) quality inspection.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The WPU water-based paint is characterized by comprising the following components in parts by weight: 546 parts of waterborne hydroxyl acrylic acid dispersoid, 102 parts of butyl cellosolve, 1.7 parts of ethylene glycol amine, 153.2 parts of water, 16.8 parts of waterborne thickener, 90 parts of carbon black powder, 90 parts of waterborne dispersant, 0.3 part of waterborne defoamer and 100 parts of WPU curing agent.
2. A WPU waterborne paint according to claim 1, wherein the WPU curing agent comprises the following components in parts by weight: 70 parts of aqueous curing agent and 30 parts of PMA.
3. A WPU water-based paint spraying method is characterized by comprising the following steps:
(1) adding water into the water-based paint color paint, diluting at a ratio of 1:0.2-0.3, and standing for 10 minutes;
(2) spraying the diluted water-based paint color paint on a workpiece, standing for 30 minutes after spraying, and re-spraying or splashing a layer;
(3) standing the workpiece for 30 minutes after the spraying is finished, and then baking the workpiece in an oven;
(4) after baking, inspecting the color paint;
(5) labeling the color paint after the color paint is inspected, and standing for 24 hours after labeling is finished;
(6) the quality control water mark;
(7) spraying water paint gloss oil, diluting with water at a ratio of 1:0.2-0.3, and standing for 10 min for spraying;
(8) after spraying the water-based varnish and gloss oil, standing for about 30 minutes, and baking in an oven;
(9) and inspecting the product.
4. A WPU waterborne paint spraying method according to claim 3, wherein the baking conditions of step (3) and step (8) are: and keeping the temperature at 130 ℃ for 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279181.0A CN114806364A (en) | 2022-03-21 | 2022-03-21 | WPU (waterborne polyurethane) water-based paint and spraying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279181.0A CN114806364A (en) | 2022-03-21 | 2022-03-21 | WPU (waterborne polyurethane) water-based paint and spraying method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114806364A true CN114806364A (en) | 2022-07-29 |
Family
ID=82531464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210279181.0A Pending CN114806364A (en) | 2022-03-21 | 2022-03-21 | WPU (waterborne polyurethane) water-based paint and spraying method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114806364A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523203A (en) * | 2017-09-24 | 2017-12-29 | 嘉兴御创电力科技有限公司 | A kind of double-component aqueous acroleic acid polyurethane coating and preparation method thereof |
| CN108165155A (en) * | 2017-12-30 | 2018-06-15 | 西安经建油漆股份有限公司 | A kind of environment-friendly type aqueous double-component polyurethane coating and preparation method thereof |
| CN113004785A (en) * | 2021-03-30 | 2021-06-22 | 新麦机械（中国）有限公司 | Low-VOC high-film-thickness water-based two-component colored paint special for commercial bread maker and preparation method thereof |
-
2022
- 2022-03-21 CN CN202210279181.0A patent/CN114806364A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523203A (en) * | 2017-09-24 | 2017-12-29 | 嘉兴御创电力科技有限公司 | A kind of double-component aqueous acroleic acid polyurethane coating and preparation method thereof |
| CN108165155A (en) * | 2017-12-30 | 2018-06-15 | 西安经建油漆股份有限公司 | A kind of environment-friendly type aqueous double-component polyurethane coating and preparation method thereof |
| CN113004785A (en) * | 2021-03-30 | 2021-06-22 | 新麦机械（中国）有限公司 | Low-VOC high-film-thickness water-based two-component colored paint special for commercial bread maker and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220729 |
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| RJ01 | Rejection of invention patent application after publication |