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A high-strength coating resistant to marine climate and its preparation process

A preparation process, marine climate technology, applied in antifouling/underwater coatings, coatings, biocide-containing paints, etc., can solve the problems of easy powdering, poor weather resistance, poor impact resistance, etc., and achieve low prices. , excellent adhesion, simple process effect

Active Publication Date: 2016-08-17
QINGDAO ADVANCED MARINE MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing ships and offshore platform deck steel generally use epoxy anti-corrosion paint and alkyd deck paint for the anti-corrosion of the steel surface of ships, docks and other marine facilities, which have good weather resistance and salt spray resistance , the disadvantage is that the wear resistance of the paint film is poor, and fillers such as quartz sand and rubber particles are added after the need to increase the anti-skid, the paint film is rigid, and the impact resistance is poor
There are short anti-corrosion service life, poor weather resistance, poor wear resistance, easy pulverization, poor corrosion resistance, and poor toughness. In the process of hoisting and construction, it is easy to cause damage to the coating and affect the anti-corrosion effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation process for marine climate-resistant high-strength coatings. The preparation process is high-speed dispersion pulping→sand milling→filtering→painting→finished product:

[0026] (1) Adjust the stirring speed of the pulping vessel to 300~500rpm, then add 20 parts of deionized water, 0.6 parts of hydrophilic acrylic dispersant, 0.05 parts of polyether modified siloxane defoamer, 0.05 parts of moistening Wet agent, 3.7 parts of modified ZnS, stir until uniform.

[0027] (2) The sand mill is filled with 0.2~0.6mm zirconia ceramic beads, the amount of beads is 60~75% of the volume of the sand mill, the speed is adjusted at 1500~1800rpm, 21 parts of titanium dioxide for sand grinding, 8 parts of kaolin and 18 parts of heavy calcium for 20 minutes, and then add the uniformly stirred material in (1) to the sand mill for 10 minutes.

[0028] (3) Filter the above slurry with a 200-mesh net, then add 25 parts of acrylic resin, 1 part of polyether polyol, 2 parts of n...

Embodiment 2

[0031] A preparation process for marine climate-resistant high-strength coatings. The preparation process is high-speed dispersion pulping→sand milling→filtering→painting→finished product:

[0032] (1) Adjust the stirring speed of the pulping vessel to 300~500rpm, then add 24.48 parts of deionized water, 0.7 parts of hydrophilic acrylate dispersant, 0.06 parts of polyether modified silicone defoamer, 0.06 parts of wetting agent, 3.7 parts of modified ZnS, stirred until uniform.

[0033] (2) The sand mill is filled with 0.2~0.6mm zirconia ceramic beads, the amount of beads is 60~75% of the volume of the sand mill, the speed is adjusted at 1500~1800rpm, 21 parts of titanium dioxide for sand grinding, 10 parts of kaolin and 18 parts of heavy calcium for 20 minutes, then add the uniformly stirred material in (1) to sand mill for 10 minutes.

[0034] (3) Filter the above slurry with a 200-mesh net, then add 17 parts of acrylic resin, 3 parts of polyether polyol, 2 parts of nano-si...

Embodiment 3

[0037] A preparation process for marine climate-resistant high-strength coatings. The preparation process is high-speed dispersion pulping→sand milling→filtering→painting→finished product:

[0038] (1) Adjust the stirring speed of the pulping vessel to 300~500rpm, then add 21.15 parts of deionized water, 0.65 parts of hydrophilic acrylate dispersant, 0.05 parts of polyether modified silicone defoamer, 0.05 parts of wetting agent, anti-mildew fungicide modified ZnS 3.7, stir until uniform.

[0039] (2) The sand mill is filled with 0.2~0.6mm zirconia ceramic beads, the amount of beads is 60~75% of the volume of the sand mill, the speed is adjusted at 1500~1800rpm, and 25 parts of titanium dioxide, 8 parts of kaolin and 8 parts of heavy calcium for 20 minutes, then add the uniformly stirred material in (1) to sand mill for 10 minutes.

[0040] (3) Filter the above slurry with a 200-mesh net, then add 30 parts of acrylic resin, 2 parts of polyether polyol, 1 part of nano-silica, ...

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Abstract

The invention discloses marine climate resistant high-strength coating which comprises the following components of acrylic resin, polyether polyol, nano-silica, a hydrophilic acrylate dispersing agent, a polyether modified siloxane foam breaking agent, a composite mildewproof and bactericidal agent, a polyurethane thickening agent, a wetting agent, titanium dioxide, kaolinite, coarse whiting and deionized water. The coating has excellent adhesive force, wearing resistance, weather resistance, light aging resistance, sea water resistance and salt fog resistance, and can be used for corrosion protection of the surface of iron steel of decks, required to be weather-proof, anti-skid and wear-resistant, and seawater corrosion resistant, of ships, ocean platforms and the like and other marine facilities. According to the invention, a preparation method of the marine climate resistant high-strength coating is simple in technology, special equipment is not required, and the price is lower.

Description

technical field [0001] The invention relates to a marine climate-resistant high-strength paint and a preparation process thereof. Background technique [0002] At present, the existing ships and offshore platform deck steel generally use epoxy anti-corrosion paint and alkyd deck paint for the anti-corrosion of the steel surface of ships, docks and other marine facilities, which have good weather resistance and salt spray resistance , the disadvantage is that the paint film has poor wear resistance, and fillers such as quartz sand and rubber particles are added after the need to increase the anti-skid, the paint film is rigid, and the impact resistance is poor. There are short anti-corrosion service life, poor weather resistance, poor wear resistance, easy pulverization, poor corrosion resistance, and poor toughness. In the process of hoisting and construction, it is easy to cause damage to the coating and affect the anti-corrosion effect. Contents of the invention [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D5/14C09D7/12
Inventor 刘连河刘培礼胡松霞张茂伟
Owner QINGDAO ADVANCED MARINE MATERIAL TECH
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