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Solvent-free epoxy glass flake paint and manufacturing method

A technology of epoxy glass and manufacturing method, applied in epoxy resin coatings, anti-corrosion coatings, coatings, etc., can solve the problems of decreased adhesion, penetration resistance and impact resistance, increased coating porosity and shrinkage, Solvent is easy to stay inside the coating and other problems, to achieve the effect of enhancing stability and anti-settling, small coating shrinkage, compact structure and good penetration resistance

Active Publication Date: 2011-11-30
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of offshore oil exploration and development, platform construction has entered a period of rapid growth, and the amount of anti-corrosion coatings for steel structures has increased significantly. Most of the existing epoxy glass flake coatings are solvent-based, and the volatilization of solvents increases the porosity and shrinkage of the coating. Large, it is easy to form local stress concentration, which makes the coating brittle and reduces the adhesion, penetration resistance and impact resistance; when the coating is thick, the solvent is easy to stay inside the coating, affecting the compactness of the coating; the solvent content is high, environmental pollution

Method used

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  • Solvent-free epoxy glass flake paint and manufacturing method
  • Solvent-free epoxy glass flake paint and manufacturing method

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1: the manufacture method of solvent-free epoxy glass flake paint, in the feed tank of stainless steel, add 1 weight part bisphenol A type epoxy resin E51, add 0.13 weight part active diluent 660A to disperse and dissolve again, add 0.0008 parts by weight of silicone oil, 0.002 parts by weight of EP 2440 adhesion promoting resin, high-speed stirring, adding 0.002 parts by weight of carbon black, 0.09 parts by weight of titanium dioxide, 0.15 parts by weight of aluminum tripolyphosphate, 0.05 parts by weight of organic bentonite flow Change additive 881-B, and then use a sand mill to grind for 0.5~1h, then add 0.4 parts by weight of 80-mesh glass flakes, mix well, and make A liquid; B liquid is composed of epoxy curing agent H633, and it is used by 1 weight Part A liquid is mixed evenly with 0.2 weight part B liquid. All raw materials used are commercially available.

[0027] The workability and coating performance test results of solvent-free epoxy glass fla...

Embodiment 2

[0030] Embodiment 2: the manufacture method of solvent-free epoxy glass flake coating, in the feed bucket of stainless steel, add 1 weight part bisphenol A type epoxy resin E51, add 0.1 weight part reactive diluent 660A to disperse and dissolve again, add 0.0005 parts by weight of silicone oil, 0.001 parts by weight of EP 2440 adhesion promoting resin, high-speed stirring, adding 0.001 parts by weight of carbon black, 0.05 parts by weight of titanium dioxide, 0.1 parts by weight of aluminum tripolyphosphate, 0.01 parts by weight of organic bentonite flow Change additive 881-B, then grind it with a sand mill for 0.5~1h, then add 0.1 parts by weight of 80-mesh glass flakes, mix evenly, and make A liquid; B liquid is composed of epoxy curing agent H633, and it is used by 1 weight Part A liquid is mixed with 0.2 weight part B liquid. All raw materials used are commercially available.

Embodiment 3

[0031] Embodiment 3: the manufacture method of solvent-free epoxy glass flake paint, in the feed tank of stainless steel, add 1 weight part bisphenol A type epoxy resin E51, add 0.15 weight part reactive diluent 660A to disperse and dissolve again, add 0.001 parts by weight of silicone oil, 0.005 parts by weight of EP 2440 adhesion promoting resin, high-speed stirring, adding 0.005 parts by weight of carbon black, 0.1 parts by weight of titanium dioxide, 0.2 parts by weight of aluminum tripolyphosphate, 0.05 parts by weight of organic bentonite flow Change additive 881-B, and then use a sand mill to grind for 0.5~1h, then add 0.5 parts by weight of 80-mesh glass flakes, mix well, and make A liquid; B liquid is composed of epoxy curing agent H633, and it is used by 1 weight Part A liquid is mixed with 0.25 weight part B liquid. All raw materials used are commercially available.

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Abstract

The invention discloses a solvent-free epoxy glass flake coating and a preparation method. The coating is used for splash zones of offshore platform jackets to improve the anticorrosion capacity of steel pipes and prolong the service life of the steel pipes. The preparation method comprises the following steps of: adding a reactive diluent 660A into an epoxy resin, adding an organic bentonite rheological aid 881-B, an EP 2440 adhesion promotion resin, silicone oil, carbon black, titanium white and aluminum trippolyhosphate, mixing uniformly, grinding, adding glass flakes, and stirring uniformly to form solution A; forming solution B by using an epoxy curing agent H633; and mixing the solution A and the solution B to obtain the solvent-free epoxy glass flake coating during use. Solvents are not volatilized in the curing process, the coating is slightly shrunk, and the solvent-free epoxy glass flake coating has a compact structure and high permeability resistance; moreover, the solvent-free epoxy glass flake coating has extremely strong cohesive force and good anticorrosion performance.

Description

technical field [0001] The invention relates to the technical field of steel structure anticorrosion coatings, in particular to a solvent-free epoxy glass flake coating and a manufacturing method. Background technique [0002] With the development of offshore oil exploration and development, platform construction has entered a period of rapid growth, and the amount of anti-corrosion coatings for steel structures has increased significantly. Most of the existing epoxy glass flake coatings are solvent-based, and the volatilization of solvents increases the porosity and shrinkage of the coating. Large, it is easy to form local stress concentration, which makes the coating brittle and reduces the adhesion, penetration resistance and impact resistance; when the coating is thick, the solvent is easy to stay inside the coating, affecting the compactness of the coating; the solvent content is high, environmental pollution. Contents of the invention [0003] The purpose of the pre...

Claims

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Application Information

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IPC IPC(8): C09D163/02C09D5/08
Inventor 范云鹏林竹王志涛韩文礼
Owner BC P INC CHINA NAT PETROLEUM CORP
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