Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof

A composition and wear-resistant technology, applied in coatings, anti-corrosion coatings, devices for coating liquids on surfaces, etc., can solve the problems of thermal stability decline, impact strength, corrosion resistance and wear resistance of epoxy cured products Low damage performance, poor aging resistance and other problems

Inactive Publication Date: 2012-07-11
YANTAI DARBOND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods often bring about a decrease in the thermal stability of the epoxy cured product, resulting in a decrease in the glass transition temperature, poor aging resistance, low impact strength, corrosion resistance and wear resistance, and because these toughened materials have relatively low Large viscous force causes the viscosity of epoxy resin to increase, making the prepared protective coating wire-drawn at high temperature and hard at low temperature, and it is easy to collapse and flow when the curing reaction releases heat, resulting in poor construction and it is difficult to guarantee the ideal effect.

Method used

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  • Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof
  • Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof
  • Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1) Preparation of component A: 30 parts by weight of E51 epoxy resin, 5 parts of hyperbranched epoxy resin, 10 parts of octyl glycidyl ether, 0.6 parts of KH-560 coupling agent, 2 parts of Perenol S43 leveling agent Add one part into a double planetary power mixing mixer, and mechanically stir for 0.5 hours under the condition that the rotation speed is 500 rpm and the revolution speed is 15 rpm; then add 20 parts of platy corundum powder, 8 parts of glass fiber powder, quartz 8 parts of powder, 15 parts of talc powder, 8 parts of mica powder, under the conditions of rotation speed of 800 rpm and revolution speed of 20 rpm, mechanically stirred for 2.5 hours; then added 1.5 parts of fumed silica and stirred for 20 minutes , evacuate to -0.08Mpa until the foam disappears, and obtain component A, which is packaged and placed for use;

[0027] 2) Preparation of component B: 60 parts by weight of Versamine C-31 modified cycloaliphatic amine, 38 parts of H-15 modified polyam...

Embodiment 2

[0030] 1) Preparation of component A: 40 parts by weight of DER331 epoxy resin, 10 parts of hyperbranched epoxy resin, 6 parts of butyl glycidyl ether, 0.8 parts of KH-560 coupling agent, and 3 parts of Perenol F40 leveling agent Add one part into a double planetary power mixing mixer, and mechanically stir for 0.5 hours under the conditions of rotation speed of 500 rpm and revolution speed of 15 rpm; then add 25 parts of platy corundum powder, 10 parts of glass fiber powder, quartz 8 parts of powder, 15 parts of talcum powder, and 8 parts of mica powder, under the conditions of rotation speed of 800 rpm and revolution speed of 20 rpm, mechanically stirred for 2.5 hours; then added 2 parts of fumed silica and stirred for 20 minutes , evacuate to -0.08Mpa until the foam disappears, and obtain component A, which is packaged and placed for use;

[0031]2) Preparation of component B: put 69 parts by weight of JH-5953 modified cycloaliphatic amine, 30 parts of H-25 modified polyami...

Embodiment 3

[0034] 1) Preparation of component A: 50 parts by weight of NPEF-170 epoxy resin, 15 parts of hyperbranched epoxy resin, 12 parts of 1,4-butanediol diglycidyl ether, 0.5 parts of KH-560 coupling agent 1 part, 1 part of Perenol S43 leveling agent was added to the double planetary power mixing mixer, under the conditions of rotation speed of 500 rpm and revolution speed of 15 rpm, mechanically stirred for 0.5 hours; then added 25 parts of platy corundum powder , 8 parts of glass fiber powder, 10 parts of quartz powder, 15 parts of talcum powder, 12 parts of mica powder, under the condition that the rotation speed is 800 rpm and the revolution speed is 20 rpm, mechanically stir for 2.5 hours; then add gas phase 2 parts of silicon dioxide were stirred for 20 minutes, vacuumed to -0.08Mpa until the foam disappeared, and component A was obtained, packaged and placed for use;

[0035] 2) Preparation of component B: put 45 parts by weight of Versamine C-31 modified cycloaliphatic amin...

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Abstract

The invention relates to a composition for manufacturing a corrosion-resistant and abrasion-resistant coating as well as a preparation method and application thereof. The composition comprises a component A and a component B, wherein the component A is prepared from the following raw materials in proportion: 20-50 parts of liquid epoxy resin, 3-25 parts of hyperbranched epoxy resin, 5-15 parts of epoxy resin active diluent, 0.5-1.0 part of coupling agent, 1-3 parts of flatting agent, 20-40 parts of smergal, 8-15 parts of ground quartz, 8-40 parts of talcum powder, 8-15 parts of mica powder and 1-2 parts of fumed silica; the component B is prepared from the following raw materials in proportion: 45-75 parts of modified alicyclic amine, 30-65 parts of modified polyamide and 1-5 parts of curing accelerator; and the weight ratio of the component A to the component B is (100:20)-(100:23). The coating composition prepared by mixing the component A with the component B has the characteristics of corrosion resistance, abrasion resistance, impact resistance, good thermal stability and convenience for construction.

Description

technical field [0001] The invention relates to a composition for making an anti-corrosion and wear-resistant coating and its preparation method and application, in particular to an epoxy resin coating composition and its preparation method and application. Background technique [0002] At present, nuclear power, hydropower and thermal power together constitute the three pillars of world energy and occupy an important position in the world energy structure. However, China's nuclear power started relatively late, and the installed capacity of nuclear power that has been put into operation is about 9 million kilowatts, accounting for only about 2% of the total installed capacity of electricity, a very low proportion. According to the report of the Chinese Academy of Engineering's major consulting project "China's energy medium and long-term (2030, 2050) development strategy research", actively developing nuclear power is a long-term major strategic choice for China's energy. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/08B05D7/14B05D5/08B05D1/28
Inventor 姜贵琳王建斌解海华
Owner YANTAI DARBOND TECH
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