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High-temperature-resistant vertical grain powder coating for oven

A powder coating, high temperature resistant technology, applied in powder coatings, epoxy resin coatings, coatings, etc., can solve the problems of whitening, poor adhesion, cracking, etc., to improve hardness, improve adhesion, and large patterns Effect

Active Publication Date: 2021-04-16
ZHANGJIAGANG JIANGNAN POWDER COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of high temperature resistant vertical grain powder coating for oven, to solve the problem that the existing high temperature resistant coating will crack after the color turns white, and the adhesion is not good

Method used

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  • High-temperature-resistant vertical grain powder coating for oven
  • High-temperature-resistant vertical grain powder coating for oven
  • High-temperature-resistant vertical grain powder coating for oven

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Take by weight the epoxy resin of 50 parts by weight, the matting agent of 3 parts by weight, the curing agent of 10 parts by weight, the benzoin of 0.5 parts by weight, the auxiliary agent of 2 parts by weight, the powder wax of 0.55 parts by weight, 1 part by weight black pigment, 30 parts by weight of silicon filler, 1 part by weight of externally mixed embossing agent; feeding: put the raw materials into the mixer and mix; pre-mixing: mix the raw materials up and down with a Misaic mixer; : melt and mix the raw materials and extrude them with an extruder; cooling: lower the temperature of the extruded raw materials; tableting: press the extruded bottom material into a sheet with a tablet machine; crushing: use a crusher to crush the sheet-shaped bottom material Crushing; fine crushing: use a pulverizer to pulverize the bottom material. The pre-mixing step adopts high-speed mixing and side shearing and crushing at the same time; the screw rotation speed of the extrude...

Embodiment 2

[0042] Take by weight the epoxy resin of 50 parts by weight, the matting agent of 3 parts by weight, the curing agent of 10 parts by weight, the benzoin of 0.5 parts by weight, the auxiliary agent of 2 parts by weight, the powder wax of 0.55 parts by weight, 1 part by weight black pigment, 31 parts by weight of silicon filler, 1 part by weight of externally mixed embossing agent; feeding: put the raw materials into the mixer and mix; pre-mixing: mix the raw materials up and down with a Misaic mixer; : melt and mix the raw materials and extrude them with an extruder; cooling: lower the temperature of the extruded raw materials; tableting: press the extruded bottom material into a sheet with a tablet machine; crushing: use a crusher to crush the sheet-shaped bottom material Crushing; fine crushing: use a pulverizer to pulverize the bottom material. The pre-mixing step adopts high-speed mixing and side shearing and crushing at the same time; the screw rotation speed of the extrude...

Embodiment 3

[0044] Take by weight the epoxy resin of 50 parts by weight, the matting agent of 3 parts by weight, the curing agent of 10 parts by weight, the benzoin of 0.5 parts by weight, the auxiliary agent of 2 parts by weight, the powder wax of 0.55 parts by weight, 1 part by weight black pigment, 32 parts by weight of silicon filler, 1 part by weight of externally mixed floating agent; feeding: put the raw materials into the mixer and mix; pre-mixing: mix the raw materials up and down with a Misaic mixer; : melt and mix the raw materials and extrude them with an extruder; cooling: lower the temperature of the extruded raw materials; tableting: press the extruded bottom material into a sheet with a tablet machine; crushing: use a crusher to crush the sheet-shaped bottom material Crushing; fine crushing: use a pulverizer to pulverize the bottom material. The pre-mixing step adopts high-speed mixing and side shearing and crushing at the same time; the screw rotation speed of the extruder...

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Abstract

The invention discloses a high-temperature-resistant vertical grain powder coating for an oven. The coating comprises the following components in parts by weight: 45-55 parts of epoxy resin; 2-4 parts of a matting agent; 8-12 parts of a curing agent; 0.3-0.8 part of benzoin; 1-3 parts of an auxiliary agent; 0.3-0.8 part of wax powder; 0.8-1.2 parts of a black pigment; 30-35 parts of a silicon filler; and 0.8-1.2 parts of an external mixed embossing agent. The high-temperature-resistant vertical grain powder coating for the oven can be prepared, and the problems that the coating cracks after being whitened and is poor in adhesive force are solved.

Description

technical field [0001] The invention relates to the field of powder coatings, in particular to a high temperature resistant vertical grain powder coating for ovens. Background technique [0002] High-temperature-resistant coatings generally refer to special functional coatings that can withstand temperatures above 200°C for a long time, and can maintain certain physical and chemical properties, so that the protected objects can function normally in high-temperature environments. High temperature resistant coatings are generally composed of high temperature resistant polymers, pigments and fillers, solvents and additives, also known as heat resistant coatings. Oven powder coatings are used for ovens. [0003] Environmentally friendly coatings have become one of the important development directions in the 21st century. Among them, energy-saving and low-pollution powder coatings will be in an important position. It will also become an inevitable trend to develop functional hig...

Claims

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Application Information

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IPC IPC(8): C09D163/04C09D5/03C09D5/28C09D7/61C09D7/63C09D7/65
CPCY02P20/10
Inventor 黎永新刘益田晖
Owner ZHANGJIAGANG JIANGNAN POWDER COATING