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Secondary composite modifier with antibacterial property and application of secondary composite modifier in coating modified filler

A compound modifier and antibacterial technology, applied in the field of powder coating preparation, can solve the problems of high cost and weak antibacterial properties of powder coatings, and achieve the effects of improved effect, short sterilization time, and improved antibacterial rate

Inactive Publication Date: 2021-07-09
广西福宝信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a secondary composite modifier with antibacterial properties and its application in coating modified fillers to solve the problems of weak antibacterial properties and high cost of powder coatings produced in the prior art

Method used

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  • Secondary composite modifier with antibacterial property and application of secondary composite modifier in coating modified filler
  • Secondary composite modifier with antibacterial property and application of secondary composite modifier in coating modified filler
  • Secondary composite modifier with antibacterial property and application of secondary composite modifier in coating modified filler

Examples

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preparation example Construction

[0033] The preparation method of described modified coal ash comprises the following steps:

[0034] Step 1: pickling the coal ash with hydrochloric acid with a mass concentration of 29.1% until the pH value of the coal ash is 8.9, and then washing the acid-washed coal ash with water. After the water washing, the coal ash is tested to have a pH value of 7.4 and then press-filtered into clean coal ash, which is dried at a temperature of 75°C until the water content is 1.7%;

[0035] Step 2: Grinding the clean coal ash obtained in step 1, and sieving to obtain clean coal ash larger than 400 meshes;

[0036] Step 3: Add a primary compound modifier to the clean coal ash obtained in step 2. The primary compound modifier consists of coconut oil fatty acid diacetamide, hexaglycerol monostearate, N-oleoyl -N-Methyl taurate sodium composition, the addition of the primary compound modifier is 4.7% of the clean coal ash quality, the coconut oil fatty acid diacetamide, hexaglycerol monos...

Embodiment 1

[0043] A production process for electrical insulating powder coatings, comprising the following steps:

[0044] a. Mixing of raw materials: All kinds of raw materials are mixed according to mass percentage, then added to the mixer respectively, then pre-crushed for 1 minute, and then mixed for 4 minutes to obtain uniformly mixed raw materials;

[0045] Various raw materials are as follows by mass percentage: modified coal ash 35.8%, epoxy resin 49.8%, curing agent 8.9%, accelerator 0.2%, leveling agent 1.7%, benzoin 0.8%, defoamer 0.9%, dispersant 0.5% %, Brightener 0.8%, Pigment 0.6%.

[0046] The epoxy resin is hydrogenated bisphenol A epoxy resin ST-3000.

[0047] Described curing agent is BTDA curing agent.

[0048] The accelerator is 2-methylimidazole.

[0049] The leveling agent is PV88 leveling agent.

[0050] The defoamer is polyoxyethylene polyoxypropanolamine ether defoamer.

[0051] The dispersant is dispersant NC.

[0052] The brightener is 701B brightener.

...

Embodiment 2

[0068] A production process for electrical insulating powder coatings, comprising the following steps:

[0069] a. Mixing of raw materials: All kinds of raw materials are mixed according to mass percentage, then added to the mixer respectively, then pre-crushed for 1 minute, and then mixed for 4 minutes to obtain uniformly mixed raw materials;

[0070] Various raw materials are as follows by mass percentage: modified coal ash 38.1%, epoxy resin 48.8%, curing agent 8.8%, accelerator 0.1%, leveling agent 1.7%, benzoin 0.4%, defoamer 0.6%, dispersant 0.3% %, Brightener 0.8%, Pigment 0.4%.

[0071] The epoxy resin is hydrogenated bisphenol A epoxy resin ST-3000.

[0072] Described curing agent is BTDA curing agent.

[0073] The accelerator is 2-methylimidazole.

[0074] The leveling agent is PV88 leveling agent.

[0075] The defoamer is polyoxyethylene polyoxypropanolamine ether defoamer.

[0076] The dispersant is dispersant NC.

[0077] The brightener is 701B brightener. ...

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Abstract

The invention discloses a secondary composite modifier with antibacterial property. The secondary composite modifier is composed of 2-methyl-5-vinylpyridine, lauroyl sulfuric acid deacetylated chitosan and trihydroxytriethylamine. The application of the secondary composite modifier in the modified filler comprises the following steps of (1) adding a primary composite modifier into clean coal ash for first modification to obtain a first mixture, (2) adding the first mixture prepared in the step (1), a secondary composite modifier and methyl ethyl ketone peroxide into the mixing machine for secondary modification to prepare a second mixture, and (3) drying, grinding and sieving the second mixture prepared in the step (2) to obtain the modified coal ash. A secondary composite modifier composed of 2-methyl-5-vinylpyridine, lauroyl sulfuric acid deacetylated chitosan and trihydroxytriethylamine is adopted to play a synergistic role in coal ash modification, so that the antibacterial rate of the powder coating is improved.

Description

【Technical field】 [0001] The invention belongs to the technical field of powder paint preparation, and in particular relates to a secondary composite modifier with antibacterial properties and its application in paint modified fillers. 【Background technique】 [0002] With the rapid take-off of industrial development, the frequency of use of various types of motors is getting higher and higher. For electrical equipment, insulating materials are an indispensable material. Insulation is an indispensable assessment standard, which is directly related to The performance of the motor plays a decisive role in its stability and service life. Insulating paint is a kind of insulating material, which is coated on the surface of the conductor to form an insulating film, which plays the role of insulating protection. The antibacterial coating industry is still in the development stage. Solving the application process of antibacterial materials in coatings is a common issue facing the co...

Claims

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Application Information

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IPC IPC(8): C09C1/40C09C3/08C09C3/10C09D5/14C09D5/03C09D163/00C09D5/25
CPCC08K2003/2227C08K2003/2268C08K2003/2275C09C1/407C09C3/006C09C3/041C09C3/043C09C3/08C09C3/10C09D5/033C09D5/14C09D163/00C08K9/04C08K9/08C08K3/36C08K3/22
Inventor 王雄
Owner 广西福宝信科技有限公司
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