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Water-based environment-friendly automobile primer

A water-based, automotive technology, applied in the field of automotive paint, can solve problems such as wasting resources, polluting the environment, increasing product production, and construction costs, and achieves the effects of stable texture reproduction, long weather resistance, and strong three-dimensional appearance

Inactive Publication Date: 2022-02-11
广东省漆色彩新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, during the production and construction of existing automotive primers, special equipment and workshops need to be used, and a large amount of solvents need to be used for cleaning after construction, which not only wastes resources, pollutes the environment, but also increases product production and construction costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A water-based environment-friendly automotive primer, the method comprises the following processing steps:

[0025] (1) Put 40 kg of water-based acrylic resin, 40 kg of water-based titanium dioxide, 1 kg of water-based polyacrylate polymer, and 13 kg of water-based methyl isobutyl ketone into the dispersion tank according to the formula requirements, and stir at high speed for 30 minutes;

[0026] (2) Grinding the above-mentioned mixed material to a fineness of 9 microns with a grinder;

[0027] (3) add 4 kilograms of water-based acrylic resins again, stir 10 minutes;

[0028] (4) Measure the solid content, and adjust the coating to the theoretical value with 2 kilograms of deionized water;

[0029] (5) After the solid content is qualified, weigh and pack.

[0030] The theoretical value of the solid content in the above step (5): 50wt%.

Embodiment 2

[0032] A water-based environment-friendly automotive primer, the method comprises the following processing steps:

[0033] (1) Put 45 kg of water-based acrylic resin, 36 kg of water-based titanium dioxide, 2 kg of water-based polyacrylate polymer, and 12.5 kg of diethylene glycol butyl ether into the dispersion tank according to the formula requirements, and stir at high speed for 30 minutes;

[0034] (2) Grinding the above-mentioned mixed material to a fineness of 10 microns with a grinder;

[0035] (3) Add 3 kilograms of water-based acrylic resin again, stir for 12 minutes;

[0036] (4) Measure the solid content, and adjust the coating to the theoretical value with 1.5 kilograms of deionized water;

[0037] (5) After the solid content is qualified, weigh and pack.

[0038] The theoretical value of solid content in the above step (5): 55wt%.

Embodiment 3

[0040] A water-based environment-friendly automotive primer, the method comprises the following processing steps:

[0041] (1) Put 48 kg of water-based acrylic resin, 35 kg of water-based titanium dioxide, 2.5 kg of water-based polyacrylate polymer, and 12.5 kg of dipropylene glycol methyl ether into the dispersion tank according to the formula requirements, and stir at high speed for 17 minutes;

[0042] (2) Grinding the above-mentioned mixed material to a fineness of 8 microns with a grinder;

[0043] (3) Add 1 kilogram of water-based acrylic resin and stir for 12 minutes;

[0044] (4) Measure the solid content, adjust the coating to the theoretical value with 1 kg of deionized water;

[0045] (5) After the solid content is qualified, weigh and pack.

[0046] The theoretical value of the solid content in the above step (5): 44wt%.

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Abstract

The invention relates to the technical field of automobile paint, and discloses a water-based environment-friendly automobile primer which is prepared by the following steps: S1, preparing corresponding raw materials according to formula requirements; s2, putting 40% of part of water-based resin, 35% of water-based pigment and filler, 3% of surface active polymer, 2% of water-based cosolvent and 20% of deionized water into a dispersion cylinder according to the formula requirement, and carrying out high-speed stirring for 30-60 min; s3, grinding the mixed material by using a grinding machine until the fineness is less than or equal to 10 microns; s4, adding the residual water-based resin, and stirring for 10-30 minutes; s5, measuring the solid content, and adjusting the coating to a theoretical value by using deionized water; and S6, after the solid content is detected to be qualified (the theoretical value of the solid content is greater than or equal to 50wt%), performing weighing and packaging.

Description

technical field [0001] The invention relates to the technical field of automobile paint, in particular to a water-based environment-friendly automobile primer. Background technique [0002] Automotive primer is the first paint that is directly applied on the surface of the surface-treated part, and it is the beginning of the entire coating. The design requires that the primer and the substrate should have good adhesion, and have good compatibility with the upper coat or top coat, and must also have good corrosion resistance, rust resistance, oil resistance, chemical resistance and water resistance. According to the part of the automotive primer used on the car, the primer and the substrate should have good adhesion, and it should have a good matching with the upper coat or top coat. It must also have good anti-corrosion and anti-corrosion properties. Rust, oil resistance, chemical resistance and water resistance. Of course, the paint film formed by the automotive primer sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/08C09D7/65
CPCC09D133/00C09D5/08C09D7/65C08K2003/2241C08L33/04C08K3/22
Inventor 刘中宇樊鹤谭梦玲
Owner 广东省漆色彩新型材料有限公司
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