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Anti-static flame-retardant powder paint for pipeline, and manufacturing and coating method thereof

A fire-retardant powder and powder coating technology, which is applied in powder coatings, conductive coatings, fireproof coatings, etc., can solve the problems of difficult to meet the specific environmental requirements of the underground, complex production methods, poor adhesion, etc.

Inactive Publication Date: 2018-08-10
南通如港船舶配套机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide an improved antistatic and flame retardant powder coating for pipelines and its production and coating method, which can overcome the poor flame retardant and antistatic performance of the coating in the prior art, and it is difficult to meet the specific environmental requirements in the mine At the same time, the adhesion between the coating and the substrate after powder coating is poor, the production method is complicated, and the cost is too high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example of antistatic flame retardant powder coating for pipelines: 55 parts of bisphenol A epoxy resin, 4.5 parts of sebacic acid dihydrazide, 35 parts of filler, 1.5 parts of leveling agent, 0.5 parts of accelerator, and 0.5 parts of degasser , 3 parts of other additives. The curing condition of this powder coating is 180°C / 30min. Among them, the filler is made of conductive barium sulfate, conductive mica powder, glass microspheres, ceramic microspheres and other antistatic and flame-resistant components; the leveling agent is 503; the accelerator is FC31; the degasser is benzoin; It is a coupling agent, using titanate coupling agent.

Embodiment 2

[0020] Formula example of antistatic flame retardant powder coating for pipelines: 50 parts of bisphenol A epoxy resin, 10 parts of phenolic hydroxyl resin, 30 parts of filler, 2.0 parts of leveling agent, 1.0 part of accelerator, 0.5 part of degassing agent, other additives 6.5 parts of the agent. The curing condition of this powder coating is 200°C / 6-10min. Among them, the filler is made of conductive graphite, conductive carbon black, wollastonite powder, quartz powder and other antistatic and flame-resistant components; the leveling agent is 503; the accelerator is 803A; the degassing agent is benzoin; Focus on accelerators.

Embodiment 3

[0022] Formula example of antistatic and flame retardant powder coating for pipelines: 35 parts of bisphenol A epoxy resin, 15 parts of novolac epoxy resin, 10 parts of phenolic hydroxyl resin, 30 parts of filler, 5.0 parts of leveling agent, 1.0 part of accelerator, Air agent 1.0 parts, other additives 3.0 parts. The curing condition of this powder coating is 190°C / 10-20min. Among them, the filler is made of metal powder, conductive carbon black, MCA, red phosphorus and other antistatic and flame-resistant components; the leveling agent is 503; the accelerator is 2-methylimidazole; the degassing agent is benzoin; It is a coupling agent, using silane coupling agent.

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PUM

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Abstract

The invention relates to anti-static flame-retardant powder paint for a pipeline. The powder paint is characterized by being prepared from the following ingredients in percentage by mass: 30 to 60 percent of thermosetting resin, 4.5 to 30 percent of curing agents, 30 to 40 percent of fillers and 2 to 12 percent of auxiliary agents, wherein the sum of the percentage of all ingredients is 100 percent. By using the product, static electricity spray coating is used; the primary coating film thickness can reach 300 to 800 mu m; through primary baking curing, the performance requirement can be met;the coating work production efficiency is high; during the coating, powder paint which is not sprayed and coated can be recovered for use; the paint utilization rate reaches 98 percent or higher. A steel pipe after the powder paint coating has good anti-static flame-retardant performance; good adhesion force is realized between the coated coating and a substrate.

Description

technical field [0001] The invention relates to the technical field of thermosetting powder coatings, in particular to an antistatic and flame-resistant powder coating for pipelines, a manufacturing method thereof, and a high-voltage electrostatic coating method. Background technique [0002] As the main energy source for economic development, coal is known as black gold. The development and mining of coal provide a huge driving force for economic development and social progress. In early coal mining, there was no gas extraction device or ventilation device, and only natural ventilation was relied on. With the deepening of mining, natural ventilation can no longer meet the needs of safe production, and then forced ventilation devices appear. In order to avoid dust storms caused by excessive dust concentration during mining and transportation, water supply and drainage devices are used underground. [0003] In the past, metal and concrete pipes were generally used for underg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/03C09D5/24C09D5/18C09D5/46C09D7/61C09D7/63
CPCC09D163/00C08K2003/026C08K2003/3045C08K2201/014C08L2201/02C08L2201/04C08L2203/18C08L2205/02C08L2205/035C09D5/033C09D5/18C09D5/24C08L61/04C08K13/02C08K3/04C08K3/34C08K3/36C08L63/04C08K3/08C08K3/02C08K13/04C08K3/30C08K7/20C08K3/346
Inventor 许国华
Owner 南通如港船舶配套机械有限公司
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