CN113072856A - Water-based paint for automotive interior leather - Google Patents
Water-based paint for automotive interior leather Download PDFInfo
- Publication number
- CN113072856A CN113072856A CN202110370923.6A CN202110370923A CN113072856A CN 113072856 A CN113072856 A CN 113072856A CN 202110370923 A CN202110370923 A CN 202110370923A CN 113072856 A CN113072856 A CN 113072856A
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- CN
- China
- Prior art keywords
- water
- parts
- interior leather
- epoxy resin
- paint
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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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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a water-based paint for automobile interior leather, which mainly comprises the following components in parts by weight: 16-31 parts of water-based epoxy resin, 5-15 parts of water-based polyurethane elastomer, 3-9 parts of water-based fluorine-silicon modified acrylate, 25-45 parts of deionized water, 0-30 parts of water-based pigment, 0.1-2 parts of dispersing wetting agent and 6-12 parts of photoinitiator. The water-based paint for the automotive interior leather provided by the invention has the advantages that the synergistic effect of the multi-component mixed resin is exerted, the curing efficiency of the paint is high, the energy consumption is low, and the environment is friendly; meanwhile, the coating has good adhesive force, weather resistance, stain resistance and bending resistance, is smooth and non-sticky in touch, and is particularly suitable for the surface of automotive interior leather.
Description
Technical Field
The invention relates to a water-based paint, in particular to a water-based paint for automobile interior leather.
Background
In the production of an automobile interior leather seat, the leather surface is often treated with a surface treatment agent. The mainstream material of the conventional surface treatment agent is a solvent-based resin composition containing an organic solvent, but due to recent environmental requirements, basically, an aqueous surface treatment agent containing no organic solvent is started to be used.
As seats for automobile interior leather, light colored seats tend to be preferred in recent years and their demand is increasing, and at the same time, the demand for water-based and antifouling surface treatment agents is also increasing. However, with conventional water-based surface treatment agents, it is difficult to simultaneously obtain high antifouling properties and conventionally required properties such as abrasion resistance. On the other hand, the method of forming the antifouling layer with a material comprising a polyurethane resin, a fluororesin and a silicone resin has a sticky feeling, and is poor in abrasion resistance and bending resistance.
Disclosure of Invention
The invention aims to provide a water-based paint for automobile interior leather, which has good stain resistance, wear resistance, bending resistance and touch feeling on the basis of the prior art.
The object of the invention can be achieved by the following measures:
a water-based paint for automobile interior leather mainly comprises the following components in parts by weight: 16-31 parts of water-based epoxy resin, 5-15 parts of water-based polyurethane elastomer, 3-9 parts of water-based fluorine-silicon modified acrylate, 25-45 parts of deionized water, 0-30 parts of water-based pigment, 0.1-2 parts of dispersing wetting agent and 6-12 parts of photoinitiator.
In a preferable scheme, the water-based paint for the automobile interior leather mainly comprises the following components in parts by weight: 20-27 parts of water-based epoxy resin, 7-13 parts of water-based polyurethane elastomer, 5-7 parts of water-based fluorine-silicon modified acrylate, 30-40 parts of deionized water, 10-20 parts of water-based pigment, 0.1-2 parts of dispersing wetting agent and 8-10 parts of photoinitiator.
In a more preferable scheme, the water-based paint for the automobile interior leather mainly comprises the following components in parts by weight: 23.5 parts of water-based epoxy resin, 10 parts of water-based polyurethane elastomer, 6 parts of water-based fluorine-silicon modified acrylate, 35 parts of deionized water, 15 parts of water-based pigment, 1 part of dispersing wetting agent and 9 parts of photoinitiator.
In the present invention, all the raw materials used can be obtained by commercial and/or preparative methods, which are not specifically described, and meet the requirements of standardized products.
The preparation method of the waterborne polyurethane elastomer is from Chinese invention patent with the patent number of ZL201110214154.7 and is named as waterborne polyurethane elastomer emulsion and a preparation method and application thereof.
The invention mainly adopts the aqueous system resin, and the aqueous fluorine-silicon modified acrylate has higher viscosity, and the aqueous polyurethane elastomer has lower viscosity and higher rebound resilience compared with the polyurethane resin sold in the market, and the viscosity is adjustable, and the overall viscosity of the coating system is adjusted after the dispersion wetting agent is added, so that the sticky feeling of the formed coating is greatly reduced.
Preferably, the water-based epoxy resin is one of a water-based epoxy resin of lithocoll L-920-70W, DER-916 and EPIKOTE 3515-W-60A.
Preferably, the dispersing wetting agent is modesty benthia 4000 or bethek chemical BYK-420;
preferably, the photoinitiator is a basf photoinitiator Irgacure4265 or the marthan flash photoinitiator LAP.
The preparation method of the water-based paint for the automotive interior leather comprises the following steps: firstly, mixing the waterborne epoxy resin, the waterborne polyurethane elastomer and the waterborne fluorine-silicon modified acrylate, uniformly stirring and dispersing at a high speed, then adding the deionized water, the waterborne pigment, the dispersing wetting agent and the photoinitiator, continuously stirring and dispersing at a low speed, and then grinding for many times by using a three-roller machine until the fineness is less than or equal to 3 mu m.
Preferably, a 365nm ultraviolet lamp is used in the curing process of the coating, the curing energy is below 100mJ/cm2, and the curing time is below 0.3 s.
The invention has the beneficial effects that:
the water-based paint for the automotive interior leather provided by the invention has the advantages that the synergistic effect of the multi-component mixed resin is exerted, the curing efficiency of the paint is high, the energy consumption is low, and the environment is friendly; meanwhile, the coating has good adhesive force, weather resistance, stain resistance and bending resistance, is smooth and non-sticky in touch, and is particularly suitable for the surface of automotive interior leather.
Detailed Description
The present invention will be further described with reference to the following examples. The scope of the invention is not limited to the following examples.
The preparation method of the resin composition in each example comprises the following steps: firstly, mixing the waterborne epoxy resin, the waterborne polyurethane elastomer and the waterborne fluorine-silicon modified acrylate, uniformly stirring and dispersing at a high speed, then adding the deionized water, the waterborne pigment, the dispersing wetting agent and the photoinitiator, continuously stirring and dispersing at a low speed, and then grinding for many times by using a three-roller machine until the fineness is less than or equal to 3 mu m.
Example 1
A water-based paint for automobile interior leather mainly comprises the following components in parts by weight: 16 parts of water-based epoxy resin, 5 parts of water-based polyurethane elastomer, 3 parts of water-based fluorine-silicon modified acrylate, 25 parts of deionized water, 5 parts of water-based pigment, 0.1 part of dispersing wetting agent and 6 parts of photoinitiator.
Wherein the water-based epoxy resin is lithochol L-920-70W; the dispersing and wetting agent is modesty Benaqua 4000;
the photoinitiator is a Pasteur photoinitiator Irgacure 4265.
Example 2
A water-based paint for automobile interior leather mainly comprises the following components in parts by weight: 22.5 parts of water-based epoxy resin, 10 parts of water-based polyurethane elastomer, 6 parts of water-based fluorine-silicon modified acrylate, 35 parts of deionized water, 15 parts of water-based pigment, 1 part of dispersing wetting agent and 9 parts of photoinitiator.
Wherein the waterborne epoxy resin is DER-916 waterborne epoxy resin; the dispersing and wetting agent is Pico chemical BYK-420; the photoinitiator is LAP.
Example 3
A water-based paint for automobile interior leather mainly comprises the following components in parts by weight: 31 parts of waterborne epoxy resin, 15 parts of waterborne polyurethane elastomer, 9 parts of waterborne fluorine-silicon modified acrylate, 45 parts of deionized water, 30 parts of waterborne pigment, 2 parts of dispersing wetting agent and 12 parts of photoinitiator.
Wherein the water-based epoxy resin is EPIKOTE 3515-W-60A; the dispersing and wetting agent is modesty Benaqua 4000; the photoinitiator is a Pasteur photoinitiator Irgacure 4265.
Comparative example 1
The waterborne epoxy resin in the embodiment 2 is replaced by the waterborne polyurethane resin, and the rest is unchanged.
Comparative example 2
The aqueous polyurethane elastomer of example 2 was removed and the amount of aqueous epoxy resin was increased to 45 parts.
Comparative example 3
The aqueous fluorosilicone modified acrylate of example 2 was removed and the amount of aqueous epoxy resin was increased to 45 parts.
Comparative example 4
The water-based fluorine-silicon modified acrylate in example 3 was replaced with the water-based fluorine resin, and the rest was not changed.
The application method comprises the following steps: coating a coating on the surface of an automotive interior substrate, wherein the thickness of the coating is 30 mu m, an ultraviolet lamp with the wavelength of 365nm is adopted in the curing process, the curing energy is 100mJ/cm2 during curing, and the curing time is 0.3 s. The test results are shown in Table 1.
TABLE 1
And performing a salt spray test according to national standard GB/T10125-2012 salt spray test for artificial atmosphere corrosion test.
The crease test was 20KG weight press 48h before test recovery time.
RCA wear resistance: abrasion resistance tester, load 175 g.
Claims (8)
1. The water-based paint for the automobile interior leather is characterized by mainly comprising the following components in parts by weight: 16-31 parts of water-based epoxy resin, 5-15 parts of water-based polyurethane elastomer, 3-9 parts of water-based fluorine-silicon modified acrylate, 25-45 parts of deionized water, 0-30 parts of water-based pigment, 0.1-2 parts of dispersing wetting agent and 6-12 parts of photoinitiator.
2. The water-based paint for automobile interior leather according to claim 1, which is characterized by mainly comprising the following components in parts by weight: 20-27 parts of water-based epoxy resin, 7-13 parts of water-based polyurethane elastomer, 5-7 parts of water-based fluorine-silicon modified acrylate, 30-40 parts of deionized water, 10-20 parts of water-based pigment, 0.1-2 parts of dispersing wetting agent and 8-10 parts of photoinitiator.
3. The water-based paint for automobile interior leather according to claim 2, which is characterized by mainly comprising the following components in parts by weight: 23.5 parts of water-based epoxy resin, 10 parts of water-based polyurethane elastomer, 6 parts of water-based fluorine-silicon modified acrylate, 35 parts of deionized water, 15 parts of water-based pigment, 1 part of dispersing wetting agent and 9 parts of photoinitiator.
4. The water-based paint for automobile interior leather as claimed in claim 1 to 3, wherein the water-based epoxy resin is one of a water-based epoxy resin of Kobulu L-920-70W, DER-916 and an epoxy resin of EPIKOTE 3515-W-60A.
5. The water-based paint for automobile interior leather according to claims 1 to 3, wherein the dispersing wetting agent is modesty Benaqua 4000 or Bike chemical BYK-420.
6. The water-based paint for automobile interior leather as claimed in claim 1-3, wherein the photoinitiator is a Pasteur photoinitiator Irgacure4265 or an initiator of full bloom LAP.
7. The preparation method of the water-based paint for automobile interior leather, as recited in claim 1, is characterized in that the water-based epoxy resin, the water-based polyurethane elastomer and the water-based fluorosilicone modified acrylate are mixed and uniformly dispersed at a high speed, then the deionized water, the water-based pigment, the dispersing wetting agent and the photoinitiator are added to continue to be dispersed at a low speed, and then the mixture is ground for many times by using a three-roll machine until the fineness is less than or equal to 3 μm.
8. The method for preparing the water-based paint for automobile interior leather according to claim 7, wherein a 365nm ultraviolet lamp is used in the curing process of the paint, the curing energy is below 100mJ/cm2, and the curing time is below 0.3 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370923.6A CN113072856A (en) | 2021-04-07 | 2021-04-07 | Water-based paint for automotive interior leather |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370923.6A CN113072856A (en) | 2021-04-07 | 2021-04-07 | Water-based paint for automotive interior leather |
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| Publication Number | Publication Date |
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| CN113072856A true CN113072856A (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110370923.6A Pending CN113072856A (en) | 2021-04-07 | 2021-04-07 | Water-based paint for automotive interior leather |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116144167A (en) * | 2023-03-13 | 2023-05-23 | 无锡市曼优丽新型复合材料有限公司 | Anti-ultraviolet leather for automotive interiors and preparation process thereof |
| CN116426187A (en) * | 2023-03-08 | 2023-07-14 | 深圳市美弘信息技术有限公司 | Water-based touch sensitive oil for PE film products and preparation method thereof |
| CN117165167A (en) * | 2023-11-02 | 2023-12-05 | 山东莱福特皮革制品有限公司 | Water-based leather paint for automobile interior leather |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2100441C1 (en) * | 1996-08-09 | 1997-12-27 | Центральный научно-исследовательский институт кожевенно-обувной промышленности | Composition for natural leather finishing |
| CN106687489A (en) * | 2014-09-09 | 2017-05-17 | 宇部兴产株式会社 | Aqueous polyurethane-resin dispersion and uses thereof |
| CN111944087A (en) * | 2020-07-22 | 2020-11-17 | 广州工程技术职业学院 | Fluorosilicone hybrid water-based acrylate emulsion and preparation method and application thereof |
-
2021
- 2021-04-07 CN CN202110370923.6A patent/CN113072856A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2100441C1 (en) * | 1996-08-09 | 1997-12-27 | Центральный научно-исследовательский институт кожевенно-обувной промышленности | Composition for natural leather finishing |
| CN106687489A (en) * | 2014-09-09 | 2017-05-17 | 宇部兴产株式会社 | Aqueous polyurethane-resin dispersion and uses thereof |
| CN111944087A (en) * | 2020-07-22 | 2020-11-17 | 广州工程技术职业学院 | Fluorosilicone hybrid water-based acrylate emulsion and preparation method and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116426187A (en) * | 2023-03-08 | 2023-07-14 | 深圳市美弘信息技术有限公司 | Water-based touch sensitive oil for PE film products and preparation method thereof |
| CN116426187B (en) * | 2023-03-08 | 2024-03-01 | 深圳市美弘信息技术有限公司 | Water-based touch sensitive oil for PE film products and preparation method thereof |
| CN116144167A (en) * | 2023-03-13 | 2023-05-23 | 无锡市曼优丽新型复合材料有限公司 | Anti-ultraviolet leather for automotive interiors and preparation process thereof |
| CN117165167A (en) * | 2023-11-02 | 2023-12-05 | 山东莱福特皮革制品有限公司 | Water-based leather paint for automobile interior leather |
| CN117165167B (en) * | 2023-11-02 | 2024-03-08 | 山东莱福特皮革制品有限公司 | Water-based leather paint for automobile interior leather |
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Application publication date: 20210706 |
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