High-weather-resistance automotive paint

A technology of weather resistance and automotive paint, applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve problems such as profit margins reduce competitiveness, paint performance, and environmental protection requirements cannot be met, so as to improve the combination efficiency, Effects of improving compactness and improving weather resistance

Inactive Publication Date: 2019-04-16
安徽超哥精密科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large part of the reason for this situation is that the customer's requirements for paint performance and environmental protection cannot be met, and the customer has to u

Method used

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  • High-weather-resistance automotive paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Preparation of automotive paint: Add 2kg of talc powder, 1kg of nano-alumina, and 1kg of glass fiber into the reaction kettle, stir at 30°C for 10 minutes, raise the temperature to 50°C, add 20kg of urea-formaldehyde resin, 2kg of fumed silica, and 4kg of silane coupling agent to continue Stir for 30 minutes, then add 40kg of modified epoxy resin, 15kg of fluorocarbon resin, and 6kg of weathering agent into the reactor, seal the reactor and fill it with nitrogen to make the pressure reach 5-6MPa, then raise the temperature to 115°C to the pressure inside the reactor Reach 8-9MPa, react for 4 hours, cool the reactor to 35°C, release the gas, discharge when the pressure is zero, wash, and dry at room temperature.

[0026] Preparation of modified epoxy resin: Add 30kg EPDM rubber into absolute ethanol, heat to reflux state, keep stirring for 5min, then add 6kg acrylic acid and 2kg trimethylolpropane to reflux and stir for 1h, then add 30kg bis Phenol A epoxy resin was refl...

Embodiment 2

[0029] Preparation of automobile paint: Add 3kg talcum powder, 2kg nano-alumina, and 1kg glass fiber into the reaction kettle, stir at 30°C for 10 minutes, heat up to 50°C, add 25kg urea-formaldehyde resin, 2kg fumed silica, and 4kg silane coupling agent to continue Stir for 30 minutes, then add 42kg of modified epoxy resin, 16kg of fluorocarbon resin, and 8kg of weathering agent into the reactor, seal the reactor and fill it with nitrogen to make the pressure reach 5-6MPa, then raise the temperature to 115°C to the pressure inside the reactor Reach 8-9MPa, react for 4 hours, cool the reactor to 35°C, release the gas, discharge when the pressure is zero, wash, and dry at room temperature.

[0030] Preparation of modified epoxy resin: Add 30kg EPDM rubber into absolute ethanol, heat to reflux state, keep stirring for 5min, then add 6kg acrylic acid and 2kg trimethylolpropane to reflux and stir for 1h, then add 30kg bis Phenol A epoxy resin was refluxed and stirred for 2 hours, ...

Embodiment 3

[0048] Based on Example 1, set up the comparative example 1 without adding acrylic acid, the comparative example 2 without modifying the epoxy resin, the comparative example 3 without adding epoxy soybean oil and almond oil, and the comparison using weather resistance agent UV-531 Example 4.

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Abstract

The invention discloses a high-weather-resistance automotive paint, and relates to the technical field of automotive paints. According to the high-weather-resistance automotive paint, epoxy resin is modified through crylic acid and ethylene propylene diene monomer, the weather resistance of the epoxy resin is improved, and the epoxy resin has high resistance to the external severe environment. According to the high-weather-resistance automotive paint, a weather-resistant agent prepared through chemical reactions has high chemical activity, and can be combined with a resin material and an inorganic material, and joint efficiency between materials is improved; meanwhile, the compactness of a resin structure can be improved, cross-linking polymerization between resin can be achieved, a stablenet-shaped structure is formed, the high-weather-resistance automotive paint has extremely-high resistance to external cold and hot, corrosion and illumination accordingly, and the weather resistanceis good; a technology is efficient, involved production equipment is simple, and the high-weather-resistance automotive paint is suitable for industrial production.

Description

Technical field: [0001] The invention relates to the technical field of coating materials, in particular to a highly weather-resistant automotive paint. Background technique: [0002] In 2004, China's automobile output has reached 5 million, but from a global perspective, my country's car ownership is still low. According to the specific situation of our country, the number of automobiles in my country should be 140 million. Therefore, my country's automobile industry still has a very large Large market space. Such a large automobile market also needs a large amount of automobile paint correspondingly, and this demand will continue for a long time and gradually increase. At present, a large part of the automotive paint industry uses products from imported paint companies, and domestic brands occupy a small share. A large part of the reason for this situation is that the customer's requirements for paint performance and environmental protection cannot be met, and the custome...

Claims

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Application Information

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IPC IPC(8): C09D161/32C09D163/10C09D151/04C09D127/18C09D7/61C09D5/08C09D7/65
CPCC09D161/32C08K2003/2227C08K2201/011C08L2205/035C09D5/08C09D7/61C09D7/65C09D7/70C08L63/10C08L51/04C08L27/18C08L79/08C08K3/34C08K3/22C08K7/14C08K3/36
Inventor 张丽华
Owner 安徽超哥精密科技有限公司
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