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Flame-retardant mildew-proof powder coating based on environmental protection

A powder coating and anti-mildew technology, applied in the field of coatings, can solve the problems of no flame retardant performance, single function, easy to mold and bacteria, etc., achieve long-term flame retardant and mildew resistance, improve flame retardant performance, and increase flame retardant performance. Effect

Active Publication Date: 2020-04-21
浙江新灿新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the existing paint market, diatomite and negative ion powder are widely used, but in the general use process, its function is single, and in the southern region with high humidity, long-term humid environment is easy to breed bacteria, and diatomite has Adsorption function, compared with ordinary coatings, it is more prone to mold and bacteria, and does not have flame retardant properties. Therefore, with the improvement of people's needs, the production of environmentally friendly and multi-functional coatings is more suitable for market needs

Method used

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  • Flame-retardant mildew-proof powder coating based on environmental protection
  • Flame-retardant mildew-proof powder coating based on environmental protection
  • Flame-retardant mildew-proof powder coating based on environmental protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] raw material:

[0032] 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide: CAS number: 35948-25-5; source: Bailingwei Technology Co., Ltd.;

[0033] [4-[2-(Dimethylamino)ethoxy]phenyl](4-hydroxyphenyl)methanone: CAS number: 173163-13-8; source: Bailingwei Technology Co., Ltd.;

[0034] 1-Phenyl-1,2-ethanediol: (R)-(-)-1-phenyl-1,2-ethanediol, CAS number: 16355-00-3; source: Bailingwei Technology Co., Ltd. ;

[0035] Phosphorus oxychloride: GR;

[0036] see Figure 1-3 Shown, the preparation method of flame retardant antifungal agent is:

[0037] Step 1. Add 1.05mol of phosphorus oxychloride and 1mol of 1-phenyl-1,2-ethanediol into the reaction flask, replace the air in the reaction flask with nitrogen gas, heat up to 80°C while stirring, and keep the temperature for reaction 5h, naturally cooled to room temperature, filtered, washed 5 times with anhydrous ether, and dried in vacuum to obtain Compound A; the yield was 95.4%;

[0038] Detected by GC-MS: Compound A (...

Embodiment 2

[0044] A kind of flame-retardant anti-mildew powder coating based on environmental protection, comprises the raw material of following weight part: Acrylic resin 60g, polyvinyl alcohol 15g, diatomite 4g, titanium dioxide 10g, negative oxygen ion powder 1g, flame-retardant anti-mold agent 4g, hard Magnesium fatty acid 2g, leveling agent 1g, benzoin 1g;

[0045] The leveling agent is PV88 from German Dexinli Chemical;

[0046] The preparation method of the flame-retardant mildew-proof powder coating is as follows:

[0047] The first step, pre-mixing: Put the raw materials of each component into the mixing tank together, pre-mix for 5 minutes*3 times, and put them into a ball mill for grinding for 20 minutes after mixing;

[0048] The second step, melt extrusion: put the ground powder into the extruder, extrude and tablet, the extrusion temperature is 100°C in the first zone, and 115°C in the second zone, and then crushed by the crusher, grinded by the grinder, and rotated Sub-...

Embodiment 3

[0050] A flame-retardant and anti-mildew powder coating based on environmental protection, including the following raw materials in parts by weight: 80g of acrylic resin, 20g of polyvinyl alcohol, 6g of diatomite, 12g of titanium dioxide, 1.5g of negative oxygen ion powder, 7g of flame-retardant and anti-mold agent, Magnesium stearate 2g, leveling agent 0.5g, benzoin 1.5g;

[0051] The leveling agent is PV88 from German Dexinli Chemical;

[0052] The preparation method of the flame-retardant mildew-proof powder coating is as follows:

[0053] The first step, pre-mixing: Put the raw materials of each component into the mixing tank together, pre-mix for 5 minutes*3 times, and put them into a ball mill for grinding for 30 minutes after mixing;

[0054] The second step, melt extrusion: put the ground powder into the extruder, extrude and tablet, the extrusion temperature is 105°C in the first zone, and 120°C in the second zone, and then crushed by the crusher, grinded by the grin...

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PUM

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Abstract

The invention discloses a flame-retardant mildew-proof powder coating based on environmental protection. The coating comprises the following raw materials in parts by weight: 60 to 80 parts of acrylicresin, 12 to 20 parts of polyvinyl alcohol, 2 to 6 parts of diatomite, 10 to 15 parts of titanium dioxide, 0.6 to 1.5 parts of negative oxygen ion powder, 4 to 7 parts of a flame-retardant mildew preventive, 1 to 3 parts of magnesium stearate, 0.5 to 1.5 parts of a leveling agent and 1 to 1.5 parts of benzoin. According to the invention, titanium dioxide particles, the negative oxygen ion powderand the flame-retardant mildew preventive can be uniformly adsorbed in the diatomite, and in the powder coating obtained through melt extrusion, a brushed coating cannot fall off due to scrubbing; thetitanium dioxide serves as a photocatalyst, so negative oxygen ions can be released for a long time to purify and sterilize indoor air, peculiar smells in the air can be adsorbed and decomposed, indoor smells are improved, and the functions of humidifying and deodorizing are achieved; and the prepared flame-retardant mildew preventive is extruded into diatomite layer grids in a melting manner, sothe flame-retardant mildew-resistant performance of the coating can be maintained for a long time, and the flame-retardant mildew preventive is suitable for commercial production and application.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to an environmentally friendly flame-retardant and mildew-proof powder coating. Background technique [0002] With the continuous improvement of people's awareness of environmental protection, the concept of green decoration has attracted more and more attention. According to statistics, the time people spend in various indoor environments (living rooms, offices, public places and vehicles, etc.) 70%-80% of the active time. While the airtightness of the residence is constantly improving and the air permeability is decreasing, people have used too many decorative materials that continuously release harmful chemicals (formaldehyde, organic matter, etc.) when carrying out interior decoration, which is harmful to people's health. [0003] Diatomaceous earth is a kind of biogenic siliceous sedimentary rock, which is mainly composed of the remains of microbial plants (a sing...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D129/04C09D5/18C09D5/14C09D7/61C09D7/63C09D5/03C07F9/6574
CPCC07F9/657172C08K2003/2241C08L2201/02C09D5/033C09D5/14C09D5/18C09D129/04C09D133/04C08L29/04C08K13/04C08K3/22C08K3/00C08K5/098C08K7/26C08K5/5399
Inventor 刘大刚江四胜李苗苗童爱霞
Owner 浙江新灿新材料有限公司
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