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Method for preparing electric insulation anticorrosion powder coating

A powder coating and electrical insulation technology, which is applied in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of powder coating usage restrictions, anti-corrosion and electrical insulation can not meet the needs at the same time, to achieve good electrical insulation , market application prospects, good corrosion resistance effect

Inactive Publication Date: 2016-07-13
宁波市七彩塑粉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there are some components on the market, such as bus ducts for installing cables, battery slots, motor rotors, electromagnetic coils and some household appliances, which often come into contact with chemical solvents and must have good electrical insulation. However, currently The epoxy powder coating used cannot meet the requirements in terms of corrosion resistance and electrical insulation at the same time, which has brought great restrictions on the use of powder coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of electrical insulation anticorrosion powder coating provided by the invention comprises the following steps:

[0025] (1) Preparation of raw materials: Weigh the raw materials according to the following proportions by weight: 600 parts of epoxy resin, 82 parts of curing agent, 10 parts of leveling agent, 8 parts of brightener, 5 parts of benzoin, 2 parts of catalyst, defoaming dispersion 10 parts of agent, 20 parts of pigment, 150 parts of mica powder, 63 parts of silicon micropowder, 50 parts of flame retardant, epoxy resin is a mixture of bisphenol F epoxy resin and novolac epoxy resin, and bisphenol F type The weight portion ratio of epoxy resin and novolac epoxy resin is 2: 1, and the weight portion of bisphenol F type epoxy resin is 400 parts, and the weight portion of novolac epoxy resin is 200 parts;

[0026] (2), pre-mixing: mix the above-mentioned raw materials evenly in the mixer;

[0027] (3) Melt extrusion mixing: Put the abov...

Embodiment 2

[0048] The difference between this example and Example 1 is that 2 parts by weight of modified chitin fibers are added between the second and third melting zones, and the modified chitin fibers are based on chitin fibers with a diameter of 1.5-2 μm. The wire is composed of nano-zirconium carbide fibers wrapped outside, and the diameter of the wrapped modified chitin fibers is 3-4 μm.

[0049] The cured coating of the electrical insulation anticorrosion powder coating obtained in the present embodiment is detected, and the following data are obtained:

[0050] Test items

[0051] From the above test results, it can be seen that the powder coating prepared in this embodiment has improved impact strength and salt spray test, and has a certain antibacterial effect.

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Abstract

The invention discloses a method for preparing an electric insulation anticorrosion powder coating.The method comprises the following steps of 1, raw material preparation, 2, pre-mixing, 3, melt extrusion mixing, 4, cooling, 5, coarse grinding, 6, micro grinding, and 7, classifying.The powder coating prepared through the method has good electric insulation performance and good anticorrosion performance, completely meets the fields with high requirements for electric insulation performance and anticorrosion performance and is very wide in market application prospect.

Description

technical field [0001] The invention relates to a preparation method of a powder coating, in particular to a preparation method of an electrical insulation anticorrosion powder coating. Background technique [0002] Powder coating is a completely different form from general coatings, and it exists in the state of fine powder. Because no solvent is used, it is called powder coating. Since powder coatings can be manufactured using synthetic resins with relatively large molecular weights that are insoluble in solvents or water at room temperature, denser coating films can be produced, and they are harmless, high-efficiency, resource-saving and environmentally friendly. [0003] It mainly has two categories: thermoplastic powder coating and thermosetting powder coating. Thermoplastic powder coatings are composed of thermoplastic resins, pigments, fillers, plasticizers and stabilizers. Thermoplastic powder coatings include: polyethylene, polypropylene, polyester, polyvinyl chl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D163/04C09D5/03C09D5/08C09D7/12
CPCC09D163/00C08L2205/02C09D5/038C09D5/08C09D7/61C09D7/63C08L63/04C08K13/04C08K3/34C08K3/36C08K3/02C08K2003/2227C08K7/24C08K5/07
Inventor 童伟平
Owner 宁波市七彩塑粉有限公司
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