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Epoxy self-leveling antistatic topcoat and preparation method thereof

A self-leveling and antistatic technology, applied in epoxy resin coatings, conductive coatings, coatings, etc., can solve problems such as being susceptible to friction or impact, reduced electrical conductivity, and ignition of explosives, so as to avoid safety accidents and structural Increased strength and good electrical conductivity

Active Publication Date: 2020-05-29
上海博歌建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above application documents, the floor coating uses nano-scale zinc oxide whiskers and nanotechnology-wrapped conductive mica powder as a conductive filler, which has good electrical conductivity. When it is used as a factory floor coating, it is affected by the working environment. , its surface is susceptible to friction or impact, and it is easy to generate and accumulate static electricity, but frequent friction or impact will easily cause micro-cracks in the coating film, which will greatly reduce the overall electrical conductivity, and when the static electricity accumulates to a certain extent, it will Generate electrostatic discharge, cause flammable and explosive materials to ignite or explode, and cause huge safety accidents. Therefore, it is necessary to propose a new solution to solve the above problems

Method used

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  • Epoxy self-leveling antistatic topcoat and preparation method thereof
  • Epoxy self-leveling antistatic topcoat and preparation method thereof
  • Epoxy self-leveling antistatic topcoat and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Embodiment 1: An epoxy self-leveling antistatic topcoat, including A component and B component that are stored separately and mixed in a ratio of 5:1 by weight when used, each component raw material and its corresponding The parts by weight are shown in Table 1, and are prepared through the following steps:

[0054] Step 1: Mix bisphenol A type epoxy resin, reactive diluent AGE and benzyl alcohol in corresponding parts by weight, then stir for 15 minutes at a speed of 300rpm, and continue to add Disponer 9250 wetting and dispersing agent in corresponding parts by weight, poly Methyl siloxane, polyacrylic acid and epoxy color paste, after continuous stirring for 7.5 minutes, then add wax powder and organobentonite in corresponding parts by weight, disperse at high speed for 15 minutes, stirring speed is 700rpm, continue to add silicon powder in corresponding parts by weight For barium powder, the stirring speed was increased to 1500rpm, and the high-speed dispersion was ...

Embodiment 2

[0061] Embodiment 2: A kind of epoxy self-leveling antistatic surface coating, differs from Embodiment 1 in that it specifically includes the following steps:

[0062] Step 1: Mix bisphenol A type epoxy resin, reactive diluent AGE and benzyl alcohol in corresponding parts by weight, then stir at 200rpm for 20min, continue to add Disponer 9250 wetting and dispersing agent in corresponding parts by weight, poly Methyl siloxane, polyacrylic acid and epoxy color paste, after stirring continuously for 10 minutes, then add wax powder and organobentonite in corresponding parts by weight, disperse at high speed for 10 minutes, stirring speed is 800rpm, continue to add silicon barium in corresponding parts by weight powder, increase the stirring speed to 1800rpm, and disperse at high speed for 50 minutes to obtain a slurry;

[0063] Step 2: Grind the slurry obtained in Step 1 to a fineness of 50 μm, then add corresponding parts by weight of epoxy color paste, disperse at a high speed f...

Embodiment 3

[0066] Embodiment 3: An epoxy self-leveling antistatic topcoat, which differs from Embodiment 1 in that it specifically includes the following steps:

[0067] Step 1: Mix bisphenol A type epoxy resin, reactive diluent AGE and benzyl alcohol in corresponding parts by weight, then stir for 10 minutes at a speed of 400rpm, and continue to add Disponer 9250 wetting and dispersing agent, polydimethylsiloxane in corresponding parts by weight Methylsiloxane, polyacrylic acid and epoxy color paste, after stirring continuously for 5 minutes, then add wax powder and organobentonite in corresponding parts by weight, disperse at high speed for 20 minutes, stirring speed is 600rpm, continue to add silicon barium in corresponding parts by weight powder, increase the stirring speed to 1200rpm, and disperse at high speed for 80min to obtain a slurry;

[0068] Step 2: Grind the slurry obtained in Step 1 to a fineness of 40 μm, then add epoxy color paste in corresponding parts by weight, disper...

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Abstract

The invention discloses an epoxy self-leveling antistatic topcoat and a preparation method thereof, and relates to the technical field of epoxy floor coatings. The problem that a coating film easily generates micro-cracks due to frequent friction or impact is solved and an accident caused by micro-cracks is prevented. The epoxy self-leveling antistatic topcoat comprises a component A and a component B, the component A and the component B are independently stored and mixed according to the weight part ratio of (4-6): 1, the component A comprises the following raw materials in parts by weight: 25-35 parts of bisphenol A type epoxy resin; 1.1 to 1.5 parts of an active diluent AGE; 1.4 to 1.8 parts of benzyl alcohol; 0.8 to 1.2 parts of a Disponer 9250 wetting and dispersing agent; 0.3 to 0.5part of a defoaming agent; 0.5 to 0.9 part of a leveling agent; 0.6 to 1.2 parts of wax powder; 0.6 to 0.9 part of an anti-settling agent; 40 to 50 parts of silicon barium powder; 8 to 16 parts of epoxy color paste; 4 to 10 parts of electro-conductive graphene; 2.5 to 5.5 parts of an electro-conductive auxiliary agent; and 4-6 parts of toughened modified wiredrawn proteins; and the component B isa polyether amine curing agent. The provided epoxy self-leveling antistatic topcoat can maintain a good and stable antistatic performance.

Description

technical field [0001] The invention relates to the technical field of epoxy floor coatings, in particular to an epoxy self-leveling antistatic surface coating and a preparation method thereof. Background technique [0002] Epoxy floor coatings have been used for functional floors from the beginning: such as anti-corrosion, wear-resistant, anti-skid, and developed to general industrial floors; in addition to functional requirements, they also have decorative effects. At the same time, the film-forming substances of epoxy resin floor coatings are mainly composed of epoxy resin and epoxy resin curing agent. [0003] A kind of antistatic floor paint and preparation method thereof are disclosed in the Chinese invention patent application document whose publication number is CN108300129A, wherein, the antistatic floor paint comprises A component and B component, and described A component is made up of following weight The number of raw materials prepared: 30-40 parts of water-ba...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/24C09D7/65
CPCC09D163/00C09D5/24C09D7/65C08L2201/04C08K2201/001C08L89/00C08K13/02C08K3/042
Inventor 邱勤忠黄强杜士赢
Owner 上海博歌建材有限公司
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