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Exterior color-mixed nylon powder coating and preparation method thereof

A nylon powder coating and nylon powder technology, applied in powder coating, polyamide coating, coating, etc., can solve the problems of poor coloring quality, uneven color of nylon powder coating, easy delamination of pigment and powder coating, etc. The effect of dense and firm layer, improved coloring strength and good performance

Active Publication Date: 2015-04-15
宣城徽元材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the existing exterior-colored nylon powder coatings, such as uneven color, poor coloring quality, and easy delamination of pigments and powder coatings, and provide a nylon powder coating with uniform color, strong tinting power, and not easy to decolorize, which can help To improve the quality of use of nylon powder coatings and expand the scope of use of nylon powder coatings

Method used

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  • Exterior color-mixed nylon powder coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 Shown a kind of exterior color nylon powder coating and preparation method thereof, its steps are as follows:

[0022] 1) Put 50 kg of colorless and transparent nylon 1012 modified powder prepared by the solvent method into a high-speed mixer, seal it, start stirring, and control the stirring speed at 1000 rpm, and stop stirring when the temperature of the material rises to 45°C;

[0023] 2) Weigh 100 grams of pigment, the selected pigment is carbon black among inorganic pigments, and the particle size is 10-20 nanometers. Take by weighing 20 grams of auxiliary agent, the selected auxiliary agent is polyethylene micropowder wax; pigment and auxiliary agent are added in the high-speed mixer;

[0024] 3) Continue to turn on the stirring, the speed is 1000 rpm, and stir for 1 minute;

[0025] 4) Discharge, cool the material to normal temperature, and then get the finished black nylon powder coating.

Embodiment 2

[0027] A kind of exterior color nylon powder coating of the present invention and preparation method thereof, its steps are as follows:

[0028] 1) Put 50 kg of colorless and transparent nylon 1212 powder prepared by extrusion modification-cryogenic crushing process into a high-speed mixer, seal it, start stirring, and control the stirring speed at 1200 rpm. When the temperature of the material rises to 50 ° C , stop stirring;

[0029] 2) Weigh 500 grams of pigment, the selected pigment is titanium dioxide in inorganic pigments, the particle size is 200-400 nanometers, the selected organic pigment is phthalocyanine blue of phthalocyanine, the weight ratio of titanium dioxide and phthalocyanine blue is 4:1 . Take by weighing 50 grams of auxiliary agent, the selected auxiliary agent is polyethylene micropowder wax;

[0030] 3) Continue to turn on the stirring at a speed of 1200 rpm and stir for 2 minutes;

[0031] 4) Discharge, cool the material to normal temperature, and the...

Embodiment 3

[0033] A kind of exterior color nylon powder coating of the present invention and preparation method thereof, its steps are as follows:

[0034] 1) Put 50 kg of colorless and transparent nylon 1012 powder prepared by the solvent method into a high-speed mixer, seal it, start stirring, and control the stirring speed at 900 rpm, and stop stirring when the temperature of the material rises to 45°C;

[0035] 2) Weigh 60 grams of pigments, the selected pigments are titanium dioxide and carbon black in inorganic pigments, no organic pigments are added, the weight ratio of titanium dioxide to carbon black is 1:5, and the particle sizes are 200-400 nanometers and 10-20 nanometers respectively. Nano. Take by weighing 20 grams of auxiliary agent, the selected auxiliary agent is polyethylene micropowder wax;

[0036] 3) Continue to turn on the stirring at a speed of 900 rpm and stir for 3 minutes;

[0037] 4) Discharge, cool the material to room temperature, and then get the finished g...

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Abstract

The invention discloses an exterior color-mixed nylon powder coating and a preparation method thereof, belonging to the field of preparation of nylon powder coatings. The exterior color-mixed nylon powder coating is formed by mixing nylon powder, pigments and auxiliaries, and the weight ratio of the nylon powder to the pigments to the auxiliaries is 100:(0.1-15):(0.01-15). The preparation method comprises the following steps: firstly, heating the nylon powder with the need of color mixing to 45-60 DEG C through a high-speed mixing machine, then adding the pigments and the auxiliaries according to the weight ratio, performing high-speed mixing, and adhering the pigments to nylon powder particles to prepare the exterior color-mixed nylon powder coating of a target color. According to the preparation method of the exterior color-mixed nylon powder coating, disclosed by the invention, adverse factors of color mixing of a traditional process are overcome, and the preparation method has the advantages of simplicity, easiness in operation, fast color-mixing speed, convenience in cleaning, mass production and test sample preparation; and the prepared exterior color-mixed nylon powder coating has the advantages of uniform color dispersion, dense and firm coating and good using performances.

Description

technical field [0001] The invention relates to the technical field of powder coatings, in particular to an exterior-colored nylon powder coating and a preparation method thereof. Background technique [0002] Nylon powder coating has the characteristics of wide processing temperature range, good wear resistance, low friction coefficient and good adhesion with metal materials, and is widely used in chemical industry, electronics, machinery, automobile industry and other fields. At the same time, as a thermoplastic powder, it has the advantages of saving resources, easy recycling and easy repair, and has become a promising variety in powder coatings. [0003] Nylon powder coating itself is white or natural color, and the color is monotonous. In order to meet the actual application needs of various industries, the color diversification of nylon powder coating can be realized by adding a certain amount of pigment. Combined with the production process of nylon powder coatings, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D177/00C09D177/06C09D5/03
Inventor 张春祥韩冰王章忠田家强潘吴彬冯志明
Owner 宣城徽元材料科技有限公司
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