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Heavy-duty waterproof coating, preparation method thereof, special building, ship and car

A waterproof coating and heavy-duty anti-corrosion technology, applied in the direction of anti-corrosion coatings, etc., can solve the problems of poor adhesion, poor water resistance, and inability to meet the needs of industrial applications.

Inactive Publication Date: 2018-03-16
四川正大新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] To sum up, the existing problems in the prior art are: the existing anti-corrosion coatings have poor adhesion, poor anti-rust performance, and poor water resistance; the material solidifies quickly, and large-scale spraying equipment is required for coating, and many narrow spaces and equipment The construction is limited in places that cannot be reached; the performance is far behind the traditional solvent-based heavy-duty anti-corrosion and waterproof coatings, which cannot meet the needs of industrial applications.

Method used

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  • Heavy-duty waterproof coating, preparation method thereof, special building, ship and car

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preparation example Construction

[0018] Such as figure 1 As shown, the preparation method of the heavy-duty anti-corrosion waterproof coating that the embodiment of the present invention provides comprises the following steps:

[0019] S101: Add polyaspartic acid ester, anti-rust pigment powder, and various additives in sequence according to a certain proportion in a nitrogen-protected mixing kettle, divide at high speed for a certain period of time, and then grind and disperse to a certain fineness with a sand mill. Below the temperature, add the remaining solvent to adjust the viscosity and solid content;

[0020] S102: After uniformly mixing hexamethylene diisocyanate (HDI) trimer, water remover and other additives in a certain proportion, filter and pack.

Embodiment 3

[0025]The present invention aims at the technical problem that the existing polyaspartic acid ester as a film former cannot produce high-performance heavy-duty anti-corrosion and waterproof coatings, adopts the polyaspartic acid ester resin with a new structure in the early stage to form a film former compound system, and prepares High-performance polyaspartic resin heavy-duty waterproof coating. Nano titanium dioxide is molecularly modified with titanate coupling agent to reduce the surface Gibbs energy of titanium dioxide, and at the same time, the steric hindrance of organic groups is used to prevent the titanium dioxide particles from approaching each other and prevent the agglomeration of titanium dioxide; then the molecularly modified titanium dioxide The powder is mixed with the magnet powder to prepare composite iron-titanium powder with high dispersion. Doped with an anti-corrosion functional material - polyaniline, to improve the anti-corrosion performance of polyasp...

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Abstract

The invention belongs to the technical field of heavy-duty waterproof coating and discloses heavy-duty waterproof coating, a preparation method thereof, a ship and a car. The heavy-duty waterproof coating comprises Bayer polyaspartic acid resin, Bayer polyaspartic acid resin, hexamethylene diisocyanate, a titanate coupling agent, titanium dioxide, magnet powder, doped polyaniline, 2-hydroxyl-4-methoxybenzophenone and HY-708Y organic bentonite. The heavy-duty waterproof coating has the advantages that the neutral salt spray test time of the heavy-duty waterproof coating is not smaller than 3000hours or the copper acetate salt spray acceleration test time of the heavy-duty waterproof coating is not smaller than 300 hours; the adhesive force of the heavy-duty waterproof coating is not smaller than 15MPa or 10MPa; the toughness of the heavy-duty waterproof coating is not larger than 1mm; the impact resistance of the heavy-duty waterproof coating is not smaller than 80kg*cm; the VOC of theheavy-duty waterproof coating is not larger than 320g / L; the 0.1mol / LH2SO4 solution corrosion resistance of the heavy-duty waterproof coating is not smaller than 720 hours; the 0.1mol / L NaOH solutioncorrosion resistance of the heavy-duty waterproof coating is not smaller than 1000 hours.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion and waterproof materials, and in particular relates to a heavy-duty anti-corrosion and waterproof coating and a preparation method thereof, ships and automobiles. Background technique [0002] In recent years, with the rapid development of my country's national economy and the emergence of large-scale construction projects, people have higher and higher requirements for the application conditions and service life of anti-corrosion and waterproof coatings, and heavy-duty anti-corrosion and waterproof coatings have emerged as the times require. Heavy-duty anti-corrosion waterproof coating refers to a special coating that is used in severe corrosive engineering environments and has a long anti-corrosion life. Compared with conventional anti-corrosion coatings, heavy-duty anti-corrosion waterproof coatings have the advantage of longer anti-corrosion protection time limit, and can be used for mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/02C09D5/08C09D7/62C09D7/65C09D7/63
CPCC09D175/02C08K2003/2241C08K2201/011C09D5/08C08L79/08C08K13/06C08K9/04C08K3/22C08K3/346C08K5/132
Inventor 冯先勇王友顺聂绍贵张声贵廖献彬何佳奎吴霞
Owner 四川正大新材料科技有限公司
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