Tough polyethylene powder paint containing nano carbon fiber grafted activated organobentonite and preparation method thereof

A nano carbon fiber and polyethylene powder technology, applied in powder coatings, coatings and other directions, can solve the problems of easy cracking on the surface, poor mechanical strength, poor adhesion of the coating film, etc. Compatibility, modification effect improvement effect

Inactive Publication Date: 2015-05-20
WUHU BAOYI AMUSEMENT EQUIP
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  • Claims
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Problems solved by technology

[0002] Polyethylene powder coatings occupy a large proportion in the existing thermoplastic powder coatings. Its advantages are mainly manifested in cheap raw materials, chemical corrosion resistance, good electrical insulation and low temperature stability

Method used

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  • Tough polyethylene powder paint containing nano carbon fiber grafted activated organobentonite and preparation method thereof

Examples

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Example Embodiment

[0010] Example

[0011] The paint of this embodiment is made of the following raw materials by weight: 450 mesh organic bentonite 6, carboxymethyl cellulose 1.5, nano carbon fiber 0.4, rosin glyceride 4, silane coupling agent KH-5502.5, pigment 6, polyethylene 48 , Potassium permanganate 0.4, acrylonitrile-butadiene-styrene resin 12, acrylate leveling agent 1.5, antioxidant 2.5.

[0012] The preparation method of the powder coating is:

[0013] (1) Put the organic bentonite fine powder into the 35g / L aqueous solution prepared by potassium permanganate, soak for 60min, then filter, and after the filter is washed 3 times with water, add 0.6 parts by weight of silane coupling agent KH -550, nano-carbon fiber, heating to 75 ℃, high-speed stirring and mixing for 1.8h to obtain nano-carbon fiber grafted activated organic bentonite powder for later use;

[0014] (2) Dissolve the carboxymethyl cellulose in 12 parts by weight of water, then pulverize the polyacrylonitrile fiber into a powder ...

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Abstract

The invention relates to a polyethylene powder paint, particularly a tough polyethylene powder paint containing nano carbon fiber grafted activated organobentonite and a preparation method thereof. The powder paint is prepared from the following raw materials in parts by weight: 4-8 parts of 400-600-mesh organobentonite, 1-2 parts of carboxymethyl cellulose, 0.4-0.5 part of nano carbon fiber, 3-5 parts of ester gum, 2-3 parts of silane coupling agent KH-550, 5-8 parts of pigment, 42-50 parts of polyethylene, 0.4-0.5 part of potassium permanganate, 10-14 parts of acrylonitrile-butadiene-styrene resin, 1-2 parts of acrylate leveling agent and 2-3 parts of antioxidant. The organobentonite is previously activated and grafted with nano carbon fiber on the surface, thereby greatly improving the binding force and compatibility between the micro-size filler and high polymer material. The prepared polyethylene powder paint has favorable flowability and adhesiveness. The coating has the advantages of higher strength, higher toughness, smooth surface, low tendency to cracking and shedding, high temperature resistance, oxidation resistance, controllable production cost and favorable application effect.

Description

technical field [0001] The invention relates to a polyethylene powder coating, in particular to a tough polyethylene powder coating containing nano-carbon fiber grafted activated organic bentonite and a preparation method thereof. Background technique [0002] Polyethylene powder coatings occupy a large proportion in the existing thermoplastic powder coatings. Its advantages are mainly manifested in cheap raw materials, chemical corrosion resistance, good electrical insulation and low temperature stability. However, its disadvantages are also obvious. Use When the mechanical strength is poor, the adhesion of the coating film is poor, the surface is easy to crack, and the anti-corrosion and weather resistance also need to be improved. Performance is imperative. [0003] At present, the ways to improve the performance of polyethylene are mainly divided into two methods: physical modification and chemical modification. Although these modification methods are currently widely u...

Claims

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Application Information

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IPC IPC(8): C09D123/06C09D155/02C09D7/12C09D5/03
CPCC09D123/06C08K2201/011C08L2205/035C09D5/033C09D7/62C09D7/70C08L55/02C08L1/286C08L93/04C08K13/06C08K9/06C08K3/346C08K7/06
Inventor 张庆
Owner WUHU BAOYI AMUSEMENT EQUIP
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