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Powder coating for building materials and preparation method thereof

A technology for powder coatings and building materials, used in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of powder coating permeability and poor corrosion resistance, and achieve improved corrosion resistance, good adhesion, and improved processing. The effect of efficiency

Inactive Publication Date: 2019-04-12
CHONGQING QICAIHONG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a powder coating for building materials and its preparation method, to solve the problems of poor permeability and corrosion resistance of existing powder coatings

Method used

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  • Powder coating for building materials and preparation method thereof
  • Powder coating for building materials and preparation method thereof
  • Powder coating for building materials and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] This embodiment discloses a powder coating for building materials, including the following raw materials in parts by mass: 56 parts of epoxy resin, 38 parts of polyester resin, 22 parts of polyethersulfone resin, 20 parts of pigment, 18 parts of filler, leveling agent 0.6 parts, 10 parts of curing agent. The filler includes the following raw materials in parts by mass: 8 parts of nanoclay, 15 parts of graphene, 4 parts of cermet particles, 10 parts of nano silicon dioxide and 3 parts of carbon black.

[0030] The preparation method of above-mentioned a kind of powder coating for building material, comprises the following steps:

[0031] (1) Ingredients: prepare the following raw materials in parts by mass, 56 parts of epoxy resin, 38 parts of polyester resin, 22 parts of polyethersulfone resin, 20 parts of pigment, 18 parts of filler, 0.6 part of leveling agent, and 10 parts of curing agent . The filler includes the following raw materials in parts by mass: 8 parts of...

Embodiment 2

[0045] This embodiment discloses a powder coating for building materials, including the following raw materials in parts by mass: 54 parts of epoxy resin, 35 parts of polyester resin, 20 parts of polyethersulfone resin, 20 parts of pigment, 18 parts of filler, leveling agent 0.8 parts, 10 parts of curing agent. The filler includes the following raw materials in parts by mass: 10 parts of nanoclay, 15 parts of graphene, 5 parts of cermet particles, 10 parts of nano silicon dioxide and 4 parts of carbon black. Wherein the pigments include organic pigments and inorganic pigments, the organic pigments are selected from bright red, and the inorganic pigments are selected from iron oxide red.

[0046] The preparation method of above-mentioned a kind of powder coating for building material, comprises the following steps:

[0047] (1) Ingredients: Prepare the following raw materials in parts by mass, 54 parts of epoxy resin, 35 parts of polyester resin, 20 parts of polyethersulfone r...

Embodiment 3

[0053] This embodiment discloses a powder coating for building materials, including the following raw materials in parts by mass: 52 parts of epoxy resin, 35 parts of polyester resin, 25 parts of polyethersulfone resin, 22 parts of pigment, 16 parts of filler, and leveling agent 0.6 parts, 12 parts of curing agent. The filler includes the following raw materials in parts by mass: 8 parts of nanoclay, 16 parts of graphene, 6 parts of cermet particles, 12 parts of nano silicon dioxide and 4 parts of carbon black. The pigments include organic pigments and inorganic pigments, the organic pigments are phthalocyanine blue and phthalocyanine green, and the inorganic pigments are iron oxide yellow.

[0054] The preparation method of above-mentioned a kind of powder coating for building material, comprises the following steps:

[0055] (1) Ingredients: prepare the following raw materials in parts by mass, 52 parts of epoxy resin, 35 parts of polyester resin, 25 parts of polyethersulfo...

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Abstract

The invention belongs to the technical field of epoxy resin-based coating compositions, and particularly discloses a powder coating for building materials and a preparation method thereof, the powdercoating comprises the following raw materials in parts by mass: 40-62 parts of epoxy resin, 30-48 parts of polyester resin, 15-28 parts of polyether sulfone resin, 16-30 parts of a pigment, 8-18 partsof a filler, 0.5-1 part of a flatting agent and 4-12 parts of a curing agent, and the filler comprises nano clay, graphene, metal ceramic particles, nano silicon dioxide and carbon black. The powdercoating prepared by using the technical scheme is high in permeability and good in adhesive force, a continuous coating layer can be quickly formed during use, and the damage of the external corrosionmedium to the building materials can be effectively isolated. The formed coating layer can replace water on the surface of the building materials, and only cleaning of the water on the surface of thebuilding materials is needed when coating the coating, the humidity of the building materials does not need to be strictly controlled, the drying step before use is omitted, and the processing efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of coating composition based on epoxy resin, and in particular relates to a powder coating for building materials and a preparation method thereof. Background technique [0002] Building materials are a general term for materials used in civil engineering and construction engineering, and can be divided into structural materials, decorative materials and some special materials. In order to prevent corrosion of building materials and prolong their service life, necessary protection is required. The current conventional method is to coat a layer of anti-corrosion coating on the surface of building materials to prevent external corrosive media from corroding the building materials. [0003] Powder coatings are often used in anticorrosion of building materials. Powder coatings are solid powder synthetic resin coatings composed of solid resins, pigments, fillers and additives. Unlike ordinary solvent-based coatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D5/03C09D7/61C09D7/63
CPCC08K2201/011C08L2201/06C08L2201/08C08L2205/03C09D5/033C09D5/08C09D163/00C08L67/00C08L81/06C08K13/02C08K3/36C08K3/346C08K3/042C08K3/04
Inventor 宋小阳
Owner CHONGQING QICAIHONG CHEM
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