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Color steel tile with graphite coating and preparation method thereof

A graphite coating and color steel tile technology, applied in coatings, anti-corrosion coatings, fire-resistant coatings, etc., can solve the problems of reduced shear strength and tensile strength, flammable, non-fire-resistant, easy to age, etc., and achieve anti-corrosion and thermal conductivity. Excellent, light product quality, fast drying effect

Active Publication Date: 2017-06-27
YICHANG XINCHENG GRAPHITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of its own materials, it is easy to age, and the shear strength and tensile strength are lower than those of traditional steel plate color steel tiles. It is flammable and not fireproof.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A graphite-coated color steel tile, including a substrate of the middle layer, both sides of which are coated with a graphite slurry layer; wherein the graphite slurry is made of the following materials in parts by weight: 200 mesh fine flake graphite powder 50 40 parts, 40 parts of cashew oil modified phenolic resin, 10 parts of polyvinyl acetal, 40 parts of alcohol, 2 parts of coupling agent, 2 parts of defoamer, 1 part of plasticizer, and 2 parts of liquid nitrile rubber.

[0024] When preparing,

[0025] 1) Add polyvinyl acetal to the alcohol and mix evenly, wait until it is completely dissolved, then add phenolic resin and mix evenly, then add defoamer, coupling agent, plasticizer and mix evenly, finally add fine flake graphite powder and mix evenly into slurry;

[0026] 2) Put the slurry obtained in step 1) into the double-layer coating machine system, apply the slurry to both sides of the substrate, and coat the slurry layer with a thickness of 0.4-0.6mm respect...

Embodiment 2

[0028] A graphite-coated color steel tile includes a substrate of an intermediate layer, the substrate is a steel slab with a thickness of 0.3mm. Both sides of the graphite slurry layer are coated with a graphite slurry layer, and the thickness of the graphite slurry layer after drying is 0.4mm. Wherein the graphite slurry is made of the following materials in parts by weight: 100 parts of fine flake graphite powder of 1000 mesh, 80 parts of epoxy resin, 20 parts of polyvinyl acetal, 80 parts of alcohol, 4 parts of coupling agent, defoaming 4 parts of agent, 4 parts of plasticizer, 4 parts of liquid nitrile rubber.

[0029] The polyvinyl acetal is polyvinyl formal, polyvinyl acetal or polyvinyl butyral.

[0030] The coupling agent is r-aminopropyltriethoxysilane; the plasticizer is dibutyl phthalate.

[0031] When preparing,

[0032] 1) Add polyvinyl acetal to the alcohol and mix well, wait until it is completely dissolved, then add cashew nut oil modified phenolic resin an...

Embodiment 3

[0035] A graphite-coated color steel tile comprises a base plate of an intermediate layer, the base plate is a steel slab with a thickness of 0.15-0.2mm. Both sides of the graphite slurry layer are coated with a graphite slurry layer, and the thickness of the graphite slurry layer after drying is 0.15-0.2mm. Wherein the graphite slurry is made of the following materials in parts by weight: 150 parts of fine flake graphite micropowder, 120 parts of cashew nut oil modified phenolic resin, 30 parts of polyvinyl formal, 120 parts of alcohol, coupling agent r-aminopropyl 6 parts of triethoxysilane, 6 parts of defoamer, 6 parts of plasticizer orthophthalene, and 6 parts of liquid nitrile rubber.

[0036] When preparing,

[0037]1) Add polyvinyl acetal to the alcohol and mix well, wait until it is completely dissolved, then add cashew nut oil modified phenolic resin and mix well, then add defoamer, coupling agent, plasticizer and mix well, and finally add fine flake graphite The fi...

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Abstract

The invention discloses a color steel tile with a graphite coating and a preparation method thereof. The color steel tile comprises a base plate located in a middle layer, and the two sides of the base plate are coated with coatings formed by graphite slurry. The graphite slurry is made of, by weight parts, 50-200 parts of fine flake graphite micro powder, 40-160 parts of cashew-nut oil modified phenolic resin or epoxy resin, 10-50 parts of polyvinyl acetal, 40-160 parts of alcohol, 2-10 parts of coupling agent, 2-10 parts of defoamer, 1-10 parts of plasticizer and 2-10 parts of liquid acrylonitrile butadiene rubber. The service life of the obtained color steel tile with the graphite coating can be greatly prolonged, problems that a conventional resin tile ages easily and is low in strength toughness and not resistant to flame and the like are solved; a problem that a conventional color steel tile is heavy in weight and difficult to install is solved; indoor and outdoor heat exchange rate can also be effectively increased, and a problem of high-temperature poor working environments of conventional color steel tile plants is solved; and a problem that at present, on the market the fine flake graphite is massively accumulated and is low in additional value is solved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to a graphite-coated color steel tile and a preparation method thereof. Background technique [0002] Traditional color steel tiles, also known as colored profiled tiles, are profiled panels that are cold-bent into various wave shapes using colored coated steel plates. The color is bright and beautiful, but it is easy to rust and become a waste product when exposed to bad weather such as acid rain. The general service life is 3-5 years and needs to be replaced. The thermal conductivity is low, only: 0.041w / mk, which undoubtedly makes the factory building with high temperature operation worse. The color steel tile has poor load-bearing capacity and is easy to be damaged. The weight of the tile itself is 10-14 kg / square meter, but it is also difficult to install. [0003] At present, the synthetic resin color steel tiles produced by two-layer co-extrusion technology have en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/14C09D163/00C09D7/12C09D5/08C09D5/18
CPCC08L2201/02C08L2205/03C09D5/08C09D5/18C09D7/65C09D161/14C09D163/00C08L29/14C08L9/02C08K13/02C08K3/04C08K5/544C08K5/12
Inventor 李巍岳新卿
Owner YICHANG XINCHENG GRAPHITE
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