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High chlorinated polyethylene fluorescent paint containing fluorine

A technology of high-chlorinated polyethylene and Yingdan, which is applied in the field of high-chlorinated polyethylene fluorine-containing Yingdan coatings, can solve the problems of poor adhesion and service life of only 2 to 5 years, so as to reduce the amount of use and reduce the Construction cost, good weather resistance

Active Publication Date: 2010-02-03
台州龙化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the presence of unreacted free chloride ions in the high-chlorinated resin, this kind of paint has a rusting effect on the steel surface, so this kind of paint is generally only used as a topcoat, and epoxy paint is used as a primer; if used as a primer If used, in a strongly corrosive gaseous environment, when the paint film thickness is 200 μm, its service life is only 2 to 5 years.
In addition, the adhesion of this type of paint is not good, only 2-3 grades

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] 1. Preparation of high-chlorinated polyethylene modified composite resin by clearing materials: first, add 14-25% of high-chlorinated polyethylene resin and 7-12% of perchlorethylene resin to 28-46% of xylene and ring Dissolve 12-20% hexanone, then mix the two, stir evenly, then add 4-8% fluororesin and 4-7% acrylic resin, after fully stirring, add 5-8% dibutyl ester, fully stir homogeneously , which becomes the clear material of high chlorinated polyethylene modified composite resin.

[0068] 2. Preparation of A1 component: high chlorinated polyethylene modified composite resin cleaning material 50-74%, Yingdan 2-6%, anti-sedimentation agent 1-1.5%, iron oxide red 2-5.7%, extender pigment 3- 6%, chlorinated paraffin 1.5-3%, leveling agent 0.8-1%, xylene 15-25%, defoamer 0.7-1.8%. The above raw materials are calculated by weight percentage, stirred and mixed homogeneously, which becomes the A1 component coating.

[0069] 3. A2 component preparation: high chlorinated p...

Embodiment 2

[0075] 1. Preparation of high-chlorinated polyethylene modified composite resin by clearing materials: first, 15% of high-chlorinated polyethylene resin and 8% of perchlorethylene resin are added to dissolve xylene 43% and cyclohexanone 15% respectively by weight percentage, Then mix the two, stir evenly, then add 7% of fluororesin and 5% of acrylic resin, after fully stirring, add 7% of dibutyl ester, after fully stirring and homogeneous, it becomes the clear material of high chlorinated polyethylene modified composite resin .

[0076] 2. Preparation of A1 component: high chlorinated polyethylene modified composite resin clearing material 60%, Yingdan 4%, anti-settling agent 1.5%, iron oxide red 4%, extender pigment 2%, chlorinated paraffin 2%, fluid Leveling agent 0.8%, xylene 25%, defoamer 0.7%. The above raw materials are calculated by weight percentage, stirred and mixed homogeneously, which becomes the A1 primer.

[0077] 3. Component A2: high chlorinated polyethylene ...

Embodiment 3

[0083] 1. Preparation of high chlorinated polyethylene modified composite resin with clear materials: the same as in Example 2.

[0084] 2. Preparation of component A1: same as in Example 2.

[0085] 3. Preparation of component A2: same as in Example 1.

[0086] 4. Component B is polyurethane curing agent.

[0087] 5, coating preparation: with embodiment one.

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PUM

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Abstract

The invention discloses high chlorinated polyethylene fluorescent paint containing fluorine, which comprises a component A and a component B. The component A is divided into A1 and A2, wherein A1 is high chlorinated polyethylene fluorescent paint primer containing fluorine, and A2 is high chlorinated polyethylene fluorescent paint finish containing fluorine; and the component B is a polyurethane curing agent. Before the high chlorinated polyethylene fluorescent paint containing fluorine is used, the primer is prepared according to the weight ratio of A1 to B is 12:1, and the finish is preparedaccording to the weight ratio of A2 to B is 12:1. The long-term usage temperature of the paint of the invention is smaller than or equal to 120 DEG C and is about 40 DEG C higher than the usage temperature of the paint using original single unmodified high chlorinated polyethylene resin as main film forming matter. In a strong corrosive gaseous environment, the thickness of a paint film is only 180mum, and the service life of the paint film can reach 5-10 years. The high chlorinated polyethylene fluorescent paint containing fluorine can be widely used for prevention of corrosion in the strongcorrosive or intermediate corrosive engineering fields, such as industrial construction, petroleum, chemical industry, medicine, technical pipelines, equipment, steel members, bridges, ship buildingand the like, and has the characteristics of good corrosion resistance, good weather resistance, good construction performance, low construction cost and long service life.

Description

technical field [0001] The invention relates to the technical field of industrial anticorrosion coatings, in particular to a two-component solvent-based high-chlorinated polyethylene fluorine-containing fluoride coating. technical background [0002] In the prior art of industrial anticorrosion coatings, the high-chlorinated polyethylene resin coatings produced and supplied on the market are all single-component coatings with a single unmodified high-chlorinated polyethylene resin as the main film-forming substance. Due to the presence of unreacted free chloride ions in the high-chlorinated resin, this kind of paint has a rusting effect on the steel surface, so this kind of paint is generally only used as a topcoat, and epoxy paint is used as a primer; if used as a primer If it is used, in a strongly corrosive gaseous environment, when the thickness of the paint film is 200 μm, its service life is only 2 to 5 years. In addition, the adhesion of this kind of paint is not goo...

Claims

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Application Information

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IPC IPC(8): C09D123/28C09D127/24C09D133/02C09D127/12C09D175/04C09D7/12C09D5/08
Inventor 钱计兴
Owner 台州龙化科技有限公司
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