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Basalt scale solvent-free heavy anticorrosive coating and method for preparing same

A basaltic, solvent-free technology for coatings that addresses worker and environmental threats, coating shrinkage, and transport and storage inconveniences

Inactive Publication Date: 2018-08-24
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, the raw materials used in the preparation process are toxic substances, which will pose a threat to the staff and the environment; second, during the construction and drying process, the volatilization of solvents will cause shrinkage cavities, pinholes, and orange peels in the coating. , thereby affecting the performance of the coating, and at the same time, the volatilization of the solvent will cause pollution to the environment; in addition, due to the existence of the solvent, there will be a fire hazard, which will bring great inconvenience to transportation and storage

Method used

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  • Basalt scale solvent-free heavy anticorrosive coating and method for preparing same

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preparation example Construction

[0031] The preparation method of the modified basalt fiber scales comprises the following steps:

[0032] Mix the basalt flakes with the silane coupling agent solution, and ultrasonically disperse for 25-35 minutes to obtain a dispersion;

[0033] The dispersion liquid is subjected to solid-liquid separation, and the obtained solid material is heat-treated at 110-130° C. for 50-70 minutes to obtain modified basalt fiber scales.

[0034] In parts by weight, the basalt flake solvent-free heavy-duty anticorrosion coating provided by the present invention includes 7-15 parts of modified basalt fiber flakes, preferably 9-13 parts, more preferably 10-11 parts. In the present invention, the preparation method of the modified basalt fiber scales comprises the following steps:

[0035] Mix the basalt flakes with the silane coupling agent solution, and ultrasonically disperse for 25-35 minutes to obtain a dispersion;

[0036] The dispersion liquid is subjected to solid-liquid separati...

Embodiment 1

[0058] (1) Ethanol and deionized water are prepared as a solvent in a ratio of 1:1 by volume, and silane coupling agent KH550 is added to form a silane coupling agent solution with a mass concentration of 1%; ~100 mesh) to the silane coupling agent solution with a mass ratio of 3:10, mix the basalt flakes with the silane coupling agent solution, and ultrasonically disperse for 30 minutes to obtain a dispersion; centrifuge the obtained dispersion at a speed of 7000r / min 5min, pour off the supernatant, dry the solid material obtained at room temperature, and heat-treat it at 120°C for 60min to obtain modified basalt scales;

[0059] (2) In parts by weight, mix 7 parts of modified basalt fiber scales, 45 parts of E51 resin, 2 parts of butyl glycidyl ether, 1 part of defoamer and 1 part of simethicone, and stir at 400rpm for 30min , the resulting mixture was preheated at 40°C for 10 minutes to obtain a preheated material; the preheated material was mixed with 28 parts of 650 polya...

Embodiment 2

[0062] (1) Ethanol and deionized water are prepared as a solvent in a ratio of 1:1 by volume, and silane coupling agent KH550 is added to form a silane coupling agent solution with a mass concentration of 1%; ~100 mesh) to the silane coupling agent solution with a mass ratio of 3:10, mix the basalt flakes with the silane coupling agent solution, and ultrasonically disperse for 30 minutes to obtain a dispersion; centrifuge the obtained dispersion at a speed of 7000r / min 5min, pour off the supernatant, dry the solid material obtained at room temperature, and heat-treat it at 110°C for 70min to obtain modified basalt scales;

[0063] (2) In parts by weight, mix 10 parts of modified basalt fiber flakes, 50 parts of E51 resin, 3 parts of butyl glycidyl ether, 2 parts of grease defoamer and 2 parts of simethicone oil, and stir at 450rpm 30min, the obtained mixed material was preheated at 45°C for 8min to obtain a preheated material; the preheated material was mixed with 33 parts of ...

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Abstract

The invention provides basalt scale solvent-free heavy anticorrosive coating. The basalt scale solvent-free heavy anticorrosive coating comprises, by weight, 7-15 parts of modified basalt fiber scales, 45-55 parts of epoxy resin, 28-40 parts of curing agents, 2-6 parts of activated diluents, 1-3 parts of defoaming agents and 1-4 parts of coalescing agents. A method for preparing the modified basalt fiber scales includes steps of mixing basalt scales and silane coupling agent solution with one another, and ultrasonically dispersing the basalt scales and the silane coupling agent solution for 25-35 min to obtain dispersion; carrying out solid-liquid separation on the dispersion, and carrying out heat treatment on obtained solid materials at the temperatures of 110-130 DEG C for 50-70 min toobtain the modified basalt fiber scales. The basalt scale solvent-free heavy anticorrosive coating has the advantages of excellent performance and environmental friendliness.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a basalt flake solvent-free heavy-duty anti-corrosion coating and a preparation method thereof. Background technique [0002] Metal materials are the most widely used materials in my country's industry, but a major defect of metal materials is that they are prone to corrosion. Therefore, the corrosion and protection of metals, especially the corrosion and protection of steel materials, has always been an important part of material chemistry. research focus in the field. Metal corrosion types are divided into chemical corrosion, electrochemical corrosion, biological corrosion, etc., and the most important corrosion method is electrochemical corrosion. Since the service environment of metals is mostly exposed to the air, the water vapor in the air is easy to condense on the metal surface to form a "water film", and impurities and oxygen in the air dissolve in it to form a microsco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/62
CPCC09D163/00C09D5/08C09D7/62C09D7/70C08L83/04C08K9/06C08K7/10C08K7/00
Inventor 杨中甲顾轶卓乔彩霞侯立勇张佐光
Owner BEIHANG UNIV
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