Boron nitride anti-corrosion coating material and preparation method thereof

A technology of anti-corrosion coating and boron nitride, which is applied in the direction of anti-corrosion coatings, fireproof coatings, coatings, etc., can solve the problems of uneven and uneven film formation, and achieve low voc content, high hardness, flexibility and strong adhesion Effect

Active Publication Date: 2018-04-10
南京祥晟涂料有限公司
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AI-Extracted Technical Summary

Problems solved by technology

For example, the Chinese invention patent (publication number: CN106010181A) discloses a metal surface treatment agent containing nano-boron nitride, which specifically includes water-based resin, dispersant, boron nitride and coating additives. The solid components in the water-based resin account for the coating 77%-93.5% of the total solid component mass fraction, dispersant accounts for 5%-20% of the t...
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Method used

As can be seen from Table 1, the formula of anticorrosion coating material of the present invention is flexible, can improve the mechanical strength of coating ...
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Abstract

The invention relates to a boron nitride anti-corrosion coating material and a preparation method thereof, and belongs to the field of chemical engineering. The boron nitride anti-corrosion coating material is composed of the following components in parts by weight: 22-24 parts of water-based alkyd resin, 5-7 parts of nano boron nitride, 0.6-1.6 parts of a dispersant, and 70-85 parts of a solvent.The preparation method comprises the following steps: a, mixing the nano boron nitride and the solvent to prepare a boron nitride slurry; b, adding the dispersant into the prepared boron nitride slurry to prepare a boron nitride filler dispersion liquid; and c, mixing the prepared boron nitride filler dispersion liquid and the water-based alkyd resin to prepare the boron nitride anti-corrosion coating material. The preparation method of the anti-corrosion coating material provided by the invention is simple, and the prepared coating has a thickness range of 20-25[mu]m, can protect a substratematerial for 7-8 years under the high-temperature environment of 300 DEG C, and has excellent anti-corrosion effects.

Application Domain

Technology Topic

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  • Boron nitride anti-corrosion coating material and preparation method thereof
  • Boron nitride anti-corrosion coating material and preparation method thereof
  • Boron nitride anti-corrosion coating material and preparation method thereof

Examples

  • Experimental program(8)
  • Comparison scheme(2)
  • Effect test(1)

Example Embodiment

[0028] Example 1:
[0029] The boron nitride anticorrosive coating material of this embodiment is composed of the following parts by weight: 23 parts of water-based alkyd resin, 6 parts of nano boron nitride with an average particle size ≤120nm, 1.2 parts of polysiloxane sodium salt dispersant, fluorine-based flow 1.5 parts of ping agent and 75 parts of solvent, of which the solvent is composed of m-xylene, cycloethyl ketone and ethyl glycol ether in a volume ratio of 2:3:1.
[0030] The preparation method is as follows: firstly use a ball mill to grind the nano boron nitride uniformly, then mix it with a solvent to prepare a boron nitride slurry, and then add a dispersant to the prepared boron nitride slurry to prepare a boron nitride filler dispersion Finally, the boron nitride filler dispersion prepared above is mixed with the water-based alkyd resin to be stable and uniformly dispersed to prepare the boron nitride anticorrosive coating material.

Example Embodiment

[0031] Example 2:
[0032] The boron nitride anticorrosive coating material of this embodiment is composed of the following parts by weight: 23 parts of aqueous alkyd resin, 5 parts of nano boron nitride with an average particle size ≤120nm, 1.2 parts of polysiloxane sodium salt dispersant, and fluorine-based flow 1.5 parts of ping agent and 75 parts of solvent, of which the solvent is composed of m-xylene, cycloethyl ketone and ethyl glycol ether in a volume ratio of 2:3:1.
[0033] The preparation method is the same as in Example 1.

Example Embodiment

[0034] Example 3:
[0035] The boron nitride anticorrosive coating material of this embodiment is composed of the following parts by weight: 23 parts of aqueous alkyd resin, 7 parts of nano boron nitride with an average particle size ≤120nm, 1.2 parts of polysiloxane sodium salt dispersant, and fluorine-based flow 1.5 parts of ping agent and 75 parts of solvent, of which the solvent is composed of m-xylene, cycloethyl ketone and ethyl glycol ether in a volume ratio of 2:3:1.
[0036] The preparation method is the same as in Example 1.
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Description & Claims & Application Information

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