Solid-plastic compound heavy-duty anti-corrosion epoxy powder and application thereof

An epoxy powder, heavy-duty anti-corrosion technology, used in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problem of impact resistance, wear resistance, poor UV resistance, high production cost of three-layer PE anti-corrosion pipes, and cathode shielding. It is difficult to solve problems such as cathodic protection, and achieve the effect of good surface hardness, easy control of coating quality, and high-efficiency assembly line operation.

Active Publication Date: 2016-07-13
HEILONGJIANG KEFA TONGYE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional epoxy anti-corrosion powder coating has poor impact resistance and moisture absorption. The disadvantage of the traditional polyethylene anti-corrosion powder coating is that the mechanical strength is not high and the adhesion to the substrate is poor.
At the same time, anti-corrosion pipelines prepared by traditional anti-corrosion powder also have many defects, such as serious pollution in the prod

Method used

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  • Solid-plastic compound heavy-duty anti-corrosion epoxy powder and application thereof
  • Solid-plastic compound heavy-duty anti-corrosion epoxy powder and application thereof
  • Solid-plastic compound heavy-duty anti-corrosion epoxy powder and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A solid-plastic composite heavy-duty anti-corrosion epoxy powder, its composition and parts by weight are:

[0031] 100 parts by weight of epoxy resin, 100 parts by weight of modified thermoplastic resin, 10 parts by weight of hydroxyl-terminated phenolic resin, 10 parts by weight of hydroxyl-terminated polyether resin, 1 part by weight of imidazole, 15 parts by weight of butyl latex, 6 parts by weight of 788 leveling agent Parts, 20 parts by weight of carbon black, 10103 parts by weight of antioxidant, 30 parts by weight of barium sulfate, 25 parts by weight of quartz powder. Described epoxy resin is selected from 40 parts by weight bisphenol A epoxy resins and 60 parts by weight novolac epoxy resins; Described thermoplastic resin is selected from maleic anhydride grafted polyethylene, and described polyethylene is low-density polyethylene and High density polyethylene blend.

[0032] Weigh the above materials according to the proportion, place them in a high-speed mi...

Embodiment 2

[0034] A solid-plastic composite heavy-duty anti-corrosion epoxy powder, its composition and parts by weight are:

[0035] 100 parts by weight of epoxy resin, 100 parts by weight of modified thermoplastic resin, 8 parts by weight of hydroxyl-terminated phenolic resin, 16 parts by weight of hydroxyl-terminated polyether resin, 1 part by weight of 2-methylimidazole, 15 parts by weight of butyl latex, 788 flow 8 parts by weight of leveling agent, 25 parts by weight of iron oxide red, 1683 parts by weight of antioxidant, 25 parts by weight of calcium carbonate, and 25 parts by weight of talcum powder. Described epoxy resin is selected from 60 parts by weight bisphenol A type epoxy resins and 40 parts by weight novolac epoxy resins; Described thermoplastic resin is selected from maleic anhydride grafted polyethylene, and described polyethylene is low density polyethylene and High density polyethylene blend.

[0036] Weigh the above materials according to the proportion, place them...

Embodiment 3

[0038] A solid-plastic composite heavy-duty anti-corrosion epoxy powder, its composition and parts by weight are:

[0039] 100 parts by weight of epoxy resin, 100 parts by weight of modified thermoplastic resin, 10 parts by weight of hydroxyl-terminated phenolic resin, 15 parts by weight of hydroxyl-terminated polyether resin, 2 parts by weight of 2-phenylimidazole, 15 parts by weight of butyl latex, 788 flow 8 parts by weight of leveling agent, 30 parts by weight of zinc oxide, 1682 parts by weight of antioxidant, 10102 parts by weight of antioxidant, 25 parts by weight of calcium carbonate, and 20 parts by weight of talcum powder. Described epoxy resin is selected from 50 parts by weight bisphenol A type epoxy resins and 50 parts by weight novolak epoxy resins; Described thermoplastic resin is selected from maleic anhydride grafted polyethylene, and described polyethylene is low density polyethylene and High density polyethylene blend.

[0040] Weigh the above-mentioned mat...

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Abstract

The invention discloses a solid-plastic compound heavy-duty anti-corrosion epoxy powder.The solid-plastic compound heavy-duty anti-corrosion epoxy powder is prepared from epoxy resin, modified thermoplastic resin, a curing agent, a toughening agent, a flatting agent, pigment, an antioxidant and filler.With epoxy resin and modified thermoplastic resin used and compounded, the solid-plastic compound heavy-duty anti-corrosion epoxy powder is an organic and perfect combination of thermoset powder and thermoplastic powder.According to the solid-plastic compound heavy-duty anti-corrosion epoxy powder, electrostatic spraying is omitted, a compact interpenetrating network form structure is formed by compounding epoxy resin and modified thermoplastic resin in cooperation with a specific curing system in the heating fusing and curing process, and an anti-corrosion protecting layer of an overall network form structure on the outer surface of a steel tube is formed.The invention further discloses application of the solid-plastic compound heavy-duty anti-corrosion epoxy powder in preparing an anti-corrosion tube.

Description

technical field [0001] The invention relates to the field of anti-corrosion of oil and gas pipelines, in particular to a solid-plastic composite heavy-duty anti-corrosion epoxy powder and a preparation method thereof, and the epoxy powder is used to prepare anti-corrosion pipes. Background technique [0002] With the rapid development of my country's economic construction and the continuous development of the petroleum industry, the requirements for pipeline anticorrosion are getting higher and higher. It is urgent to develop an anticorrosion structure with simple production process and more reasonable cost performance. [0003] Traditional anti-corrosion coating structures include the use of thermosetting anti-corrosion powders and thermoplastic anti-corrosion powders. Thermosetting anti-corrosion powders include epoxy resin, polyester and acrylic resin. Thermoplastic anticorrosion powders include polyethylene, polypropylene, polyester, polyvinyl chloride, and chlorinated ...

Claims

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Application Information

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IPC IPC(8): C09D151/06C09D163/00C09D5/03C09D5/08C09D7/12C08G59/56C08G59/50B05D7/14
CPCB05D7/14C08G59/5073C08G59/56C08L2205/025C08L2205/035C08L2205/04C09D5/033C09D5/08C09D7/63C09D7/65C09D151/06C09D163/00C08L63/00C08L61/06C08L71/00C08L23/22C08K5/3445C08L51/06
Inventor 王建新胡玉明仲崇东袁占华
Owner HEILONGJIANG KEFA TONGYE TECH
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