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Preparation method of self-healing anticorrosive coating

A technology for anti-corrosion coatings and coatings, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of inconvenient operation and low price, and achieve the effects of reducing labor costs, reducing material costs, and increasing utilization rates

Inactive Publication Date: 2014-09-03
SHANGHAI DATONG TABERNACLE NEW ENERGY SAVING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The currently used chloroether resin anti-corrosion coating has the advantages of drying at room temperature and forming a film. It has excellent physical and mechanical properties, chemical resistance, salt spray resistance, weather resistance, and light aging resistance. The salt spray test stone is more than 2000h, and the human accelerated aging test is also transported to 3000h (CN200810115541.3). The construction is convenient, and the functions of anti-corrosion and weather resistance are difficult to be achieved by many other resin coatings, and because of its low price , so it is a rare protective coating for steel structures and cement concrete surfaces in marine corrosive environments. However, due to various collisions caused by construction or other reasons in offshore facilities in marine environments, if it is not repaired in time, In some corrosive environments, surface treatment and cleaning must be carried out before painting, and some construction machinery is at high altitude, so the operation is not convenient enough

Method used

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  • Preparation method of self-healing anticorrosive coating
  • Preparation method of self-healing anticorrosive coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～5

[0019] In the stainless steel feeding tank, add the chloroether resin shown in Table 1 in parts by weight, chlorinated paraffin with a chlorine content of 42%, acrylic acid grafting modified silicone resin, xylene and heavy aromatics, after stirring at a low temperature at a low speed Then carry out high-speed dispersion for 4 hours, and add silicone oil and aluminum tripolyphosphate, rutile titanium dioxide, talc powder and organic bentonite in the weight parts shown in Table 1 under the condition of high-speed stirring and feeding, and use a sand mill to grind to reach 40 Below the micron, the coating of the present invention is thus made and mixed with the microcapsules containing the coating of the present invention under low-speed stirring (see Table 1 for its consumption) to make the coating of the present invention containing microcapsules. After testing, its adhesion is grade 1, The impact strength is 50 cm, the coating flexibility is 1 mm, and it is resistant to (5% hy...

Embodiment 6

[0027] A preparation method of self-repairing type anti-corrosion coating, the method comprises the following steps:

[0028] (1) Preparation of chloroether resin coating:

[0029] With 100 parts by weight of chlorinated ether resin (this chlorinated ether resin is formed by the copolymerization of 75wt% vinyl chloride and 25wt% vinyl isobutyl ether), 30 parts by weight of chlorinated paraffin (this chlorinated paraffin is that chlorine content is 42wt%) Chlorinated paraffin), 10 parts by weight of commercially available acrylic acid grafting modified silicone resin, 5 parts by weight of xylene, 1 part by weight of J-1000 heavy aromatic hydrocarbon solvent, carry out 300rpm / min low-speed stirring and mixing, then at 1000rpm / min high-speed After stirring and dispersing for 3 hours, add 0.9 parts by weight of ZBH-201 simethicone oil, 20 parts by weight of aluminum trimer, 50 parts by weight of rutile titanium dioxide, 30 parts by weight of talcum powder and 5 parts by weight of ...

Embodiment 7

[0034] A preparation method of self-repairing type anti-corrosion coating, the method comprises the following steps:

[0035] (1) Preparation of chloroether resin coating:

[0036] With 100 parts by weight of chloroether resin (this chloroether resin is formed by copolymerization of 75wt% vinyl chloride and 25wt% vinyl isobutyl ether), 45 parts by weight of chlorinated paraffin (this chlorinated paraffin is that chlorine content is 42wt%) chlorinated paraffin), 40 parts by weight of commercially available acrylic graft modified silicone resin, 250 parts by weight of dimethylbenzene, 2 parts by weight of J-1500 heavy aromatic hydrocarbon solvent, carry out 500rpm / min low-speed stirring and mixing, then at 1200rpm / min high-speed After stirring and dispersing for 5 hours, add 0.3 parts by weight of ZBH-201 simethicone oil, 5 parts by weight of aluminum trimer, 7 parts by weight of rutile titanium dioxide, 1 part by weight of talcum powder and 0.5 parts by weight of 881-B organic ...

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Abstract

The present invention relates to a kind of preparation method of self-repairing type anti-corrosion paint, and this method comprises the following steps: (1) preparation of chloroether resin paint: make chloroether resin, chlorinated paraffin, acrylic graft modified silicone resin and two Mix toluene and heavy aromatics at low speed, and then disperse under high-speed stirring for 3-5 hours, then add silicone oil, aluminum tripolyphosphate, rutile titanium dioxide, talc powder, organic bentonite, and grind with a sand mill after high-speed dispersion to reach less than 40 Micron is made chloroether resin coating; (2) the preparation method of microcapsule, is that core material is made microcapsule with step (1) gained chloroether resin coating; (3) with step (2) gained microcapsule 15-30 weight 1 part is mixed with 80-100 parts by weight of the chloroether resin coating obtained in step (1) to obtain the product. Compared with the prior art, the invention has the advantages of reducing maintenance time and times, reducing costs and the like.

Description

technical field [0001] The invention relates to a coating, in particular to a preparation method of a self-repairing anticorrosion coating. Background technique [0002] The currently used chloroether resin anti-corrosion coating has the advantages of drying at room temperature and forming a film. It has excellent physical and mechanical properties, chemical resistance, salt spray resistance, weather resistance, and light aging resistance. The salt spray test stone is more than 2000h, and the human accelerated aging test is also transported to 3000h (CN200810115541.3). The construction is convenient, and the functions of anti-corrosion and weather resistance are difficult to be achieved by many other resin coatings, and because of its low price , so it is a rare protective coating for steel structures and cement concrete surfaces in marine corrosive environments. However, due to various collisions caused by construction or other reasons in offshore facilities in marine envir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D127/06C09D151/08C09D7/12C09D5/08
Inventor 杨志英
Owner SHANGHAI DATONG TABERNACLE NEW ENERGY SAVING MATERIALS CO LTD