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High-abrasion-resistant waterproof epoxy polyester powder coating

An epoxy polyester and powder coating technology, applied in powder coatings, polyester coatings, epoxy resin coatings, etc., can solve the needs of the waterproof performance and wear resistance of coatings, adhesion and hardness can not be reached, etc. problem, to achieve excellent wear resistance and waterproof performance, improve wear resistance and water resistance, improve wear resistance and waterproof effect

Inactive Publication Date: 2015-11-11
安徽圣德建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When a single thermosetting powder coating is applied, its adhesion and hardness cannot meet the requirements of the prior art, especially the wear resistance and water resistance of the coating, which cannot meet the requirements for the waterproof performance and wear resistance of the coating in actual use. need

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of high wear-resisting waterproof epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: 100 parts of polyester resin, 75 parts of novolac epoxy resin, 50 parts of asphalt, 35 parts of magnesium carbonate, nanometer dioxide 20 parts of silicon, 10 parts of talcum powder, 5 parts of carbon black, 4.5 parts of aluminum powder, 4 parts of modified filler, 3 parts of barium sulfate, 3 parts of titanium dioxide, 4 parts of DDCM, 3.5 parts of butyl cellulose.

[0022] Among them, the modified filler is prepared according to the following process: after mixing 6 parts of mica powder, 3 parts of fly ash and 5 parts of silane coupling agent KH-792 according to parts by weight, the temperature is raised to 130 ° C, kept for 2.5 hours, and the process of keeping warm Then add 20 parts of acrylic resin and 30 parts of ceramic powder, raise the temperature to 210 °C, stir and disperse at 350 rpm for 5 min to obtain material a;...

Embodiment 2

[0024] A kind of high wear-resisting waterproof epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: 80 parts of polyester resins, 90 parts of phenolic epoxy resins, 40 parts of asphalt, 50 parts of magnesium carbonate, nanometer dioxide 10 parts of silicon, 15 parts of talc powder, 2 parts of carbon black, 6 parts of aluminum powder, 2 parts of modified filler, 5 parts of barium sulfate, 2 parts of titanium dioxide, 5 parts of THPA, 2 parts of hydroxymethyl cellulose.

[0025] Among them, the modified filler is prepared according to the following process: after mixing 3 parts of mica powder, 5 parts of fly ash and 2 parts of silane coupling agent KH-792 according to parts by weight, the temperature is raised to 140 °C and kept for 2 hours. Stir continuously, then add 30 parts of acrylic resin and 20 parts of ceramic powder, raise the temperature to 220°C, stir and disperse at 300 rpm for 6 minutes to obtain material a; calci...

Embodiment 3

[0027] A kind of high wear-resistant waterproof epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: 120 parts of polyester resin, 60 parts of novolac epoxy resin, 60 parts of asphalt, 20 parts of magnesium carbonate, nanometer dioxide 30 parts of silicon, 5 parts of talc powder, 8 parts of carbon black, 3 parts of aluminum powder, 6 parts of modified filler, 1 part of barium sulfate, 4 parts of titanium dioxide, 3 parts of HHPA, and 5 parts of leveling agent GLP-5885.

[0028] Among them, the modified filler is prepared according to the following process: after mixing 9 parts of mica powder, 1 part of fly ash and 8 parts of silane coupling agent KH-792 in parts by weight, the temperature is raised to 120 ° C, and the temperature is kept for 3 hours. Stir continuously, then add 10 parts of acrylic resin and 40 parts of ceramic powder, raise the temperature to 200°C, stir and disperse at 400 rpm for 4 minutes to obtain materia...

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PUM

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Abstract

The invention discloses a high-abrasion-resistant waterproof epoxy polyester powder coating which comprises, by weight parts, 80-120 parts of polyester resin, 60-90 parts of novolac epoxy resin, 40-60 parts of asphalt, 20-50 parts of magnesium carbonate, 10-30 parts of nano silicon dioxide, 5-15 parts of talc powder, 2-8 parts of carbon black, 3-6 parts of aluminum powder, 2-6 parts of modified packing, 1-5 parts of barium sulfate, 2-4 parts of titanium dioxide, 3-5 parts of curing agent and 2-5 parts of flattening agent. The obtained epoxy polyester powder coating has excellent adhesive force, chemical resistance and physical and mechanical properties and very good waterproof performance and abrasion resistance.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a highly wear-resistant and waterproof epoxy polyester powder coating. Background technique [0002] Powder coating is a new type of solvent-free 100% solid powder coating. It has the characteristics of no solvent, no pollution, recyclable, environmental protection, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. [0003] Powder coatings are further divided into thermoplastic powder coatings and thermosetting powder coatings. Thermoplastic powder coatings are composed of thermoplastic resins, pigments, fillers, plasticizers and stabilizers. Thermoplastic powder coatings include: polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide, cellulose, polyester. Thermosetting powder coatings are composed of thermosetting resins, curing agents, pigments, fillers and additives. Thermosetting powder co...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D163/00C09D195/00C09D5/03C09D7/12
Inventor 邱华岭
Owner 安徽圣德建材科技有限公司