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Rubber strippable paint and preparation method thereof

A technology of rubber and paint stripping, applied in the field of coatings, can solve problems such as the erosion ratio not meeting user requirements, general corrosion resistance, coating blistering, etc., and achieve good erosion ratio, excellent alkali resistance, and strong paint film Effect

Active Publication Date: 2014-02-05
天津灯塔涂料工业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few types of peelable paints used in the market, and the corrosion resistance of the products is average. The coating has blistering and peeling phenomena, which cannot well protect the non-processed metal surface under the layer from erosion, and the erosion ratio cannot meet user requirements.

Method used

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  • Rubber strippable paint and preparation method thereof
  • Rubber strippable paint and preparation method thereof
  • Rubber strippable paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1. Rubber mixing:

[0033] ①Warm 5g of LDJ-230 neoprene and 10g of U.S. W-type neoprene in a warm room at 40-50°C for 10 hours, cut them into small pieces with a rubber cutter, and place the cut rubber pieces while they are soft with a roller distance of Roll the material on a 1mm rubber mixing machine, turn on enough cooling water, then adjust the roll distance to 0.5mm, place the rolled rubber on the rubber mixing machine for 2-3 times to soften, and then adjust the roll distance to 0.1-0.2 mm continue to roll the material 15-20 times to improve the plasticity of the rubber; Adjust the roller distance to 0.1-0.2mm and continue to roll the material 10 times, so that the added raw materials are dispersed evenly. The dispersion of each material is checked by tearing the mixed rubber into a film. It is uniform and transparent. If there are no raw material particles, it is qualified. Roll out the film to 1mm and cool it down. After the mixed rubber is cooled, cut it into ...

Embodiment 2

[0038] 1. Rubber mixing:

[0039] ①Warm 20g of butadiene rubber in a warm room at 40-50°C for 10 hours, cut it into small pieces with a rubber cutter, place the cut rubber piece on a rubber mixing machine with a roll distance of 1mm while it is soft, and cool it fully water, then adjust the roll distance to 0.5mm, place the rolled rubber on the rubber mixing machine for 2-3 times to soften, then adjust the roll distance to 0.1-0.2mm and continue rolling 15-20 times to improve Plasticity of rubber; ② Adjust the roll distance to 1mm, add 3g of magnesium oxide, 0.5g of anti-aging agent butyl, 0.5g of stearic acid, 1g of zinc oxide to roll the rubber, and then adjust the roll distance to 0.1-0.2mm to continue rolling for 10 Second, make the added raw materials disperse evenly. The dispersion of each material is checked by tearing the mixed rubber into a film. It is uniform and transparent, and there are no raw material particles. It is qualified. Adjust the roller distance to 1mm ...

Embodiment 3

[0044] 1. Rubber mixing:

[0045] ①Warm 10g of styrene-butadiene rubber and 8g of nitrile rubber in a warm room at 40-50°C for 10 hours, cut them into small pieces with a rubber cutter, and place the cut rubber pieces on a rubber mixing machine with a roll distance of 1mm while they are soft. Turn on the cooling water enough, then adjust the roll distance to 0.5mm, put the rolled rubber on the rubber mixing machine for 2-3 times to soften, then adjust the roll distance to 0.1-0.2mm and continue rolling for 15- 20 times to improve the plasticity of the rubber; ② Adjust the roller distance to 1mm, add 2g of magnesium oxide, 0.3g of anti-aging agent D, 0.3g of stearic acid, 2g of zinc oxide to roll the rubber, and then adjust the roller distance to 0.1-0.2 mm Continue to roll the material 10 times to make the added raw materials disperse evenly. The dispersion of each material is inspected by tearing the mixed rubber into a film. It is uniform and transparent. If there are no raw...

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Abstract

The invention relates to a rubber strippable paint and a preparation method thereof. The rubber strippable paint is characterized by comprising the following components: 10-25 parts of rubber, 1-3 parts of magnesium oxide, 0.1-0.5 part of N-phenyl-2-naphthylamine, 0.1-0.5 part of stearic acid, 0.5-2 parts of zinc oxide, 3-6 parts of carbon black, 50-65 parts of toluene, 5-10 parts of 50% pure phenolic resin solution and 10-20 parts of self-made vinylidene chloride anti-corrosive varnish. The preparation method comprises the steps of: rubber mixing; preparation of black slurry; preparation of glue solution; and preparation of paint by adding the glue solution and black slurry into a thinning tank, stirring for 1 h and adjusting viscosity by using the remaining 10% toluene. The invention has the following beneficial effects: self-made vinylidene chloride anti-corrosive varnish and 50% pure liquid phenolic resin are employed for modification on rubber to prepare the rubber strippable paint; and the paint film is tough, has excellent alkali resistance and acid resistance, good erosion ratio, easiness for stripping and neat trimming and is mainly used for temporary protection of chemical milling aluminum alloy.

Description

technical field [0001] The invention belongs to coatings, in particular to a rubber peelable paint and a preparation method thereof. Background technique [0002] Aluminum alloy thick plates need to be milled and shaped according to design requirements, and the surface patterns of many aluminum alloy parts are processed by acid or alkali corrosion. The chemically milled aluminum alloy that needs to be finely processed should be sprayed with a temporary protective layer coating on its surface, so that the non-processed surface under the paint film protection layer will not be corroded, that is, the aluminum alloy on the non-processed surface must be kept intact until the acid or alkali corrosion is completed Finally, after the paint film is peeled off, the processed surface of the substrate reaches the designed corrosion depth and the etching ratio meets the design requirements. At present, there are few types of peelable paints used in the market, and the corrosion resistan...

Claims

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Application Information

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IPC IPC(8): C09D107/00C09D109/00C09D123/22C09D109/06C09D109/02C09D111/00C09D161/06C09D127/24C09D7/12
Inventor 王培明黄继伟王志敏赵立安张玉彬许歌刘建颖陈晖
Owner 天津灯塔涂料工业发展有限公司
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