A kind of powder coating containing zirconia and preparation method thereof
A technology of powder coating and zirconia, which is applied in the direction of powder coating, polyamide coating, coating, etc., and can solve the problem of coating adhesion of various dust, dirt and even oil stains, prone to blistering, cracking, peeling, coating machinery Unsatisfactory performance and other problems, to achieve the effects of high qualified rate of finished products, improved surface leveling, and high gloss retention
Active Publication Date: 2015-11-25
佛山市时力涂料科技有限公司
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Problems solved by technology
[0002] With the continuous and stable growth of my country's economy and the continuous improvement of people's living standards, the powder coating business of metal components is also increasing, especially in industries such as instruments and meters, transportation facilities, and aluminum profiles. Powder coating can provide metals with excellent anti-corrosion However, due to the unsatisfactory anti-pollution performance of the existing coatings used in the above fields, various types of dust, dirt and even oil are often attached to the coatings; the anti-sticking ability is not ideal, and the existing powder coatings form Under the influence of natural conditions such as long-term outdoor exposure and rain, the coating is prone to blistering, cracking, peeling, etc. Therefore, the mechanical properties of the coating are not ideal
Method used
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Embodiment 1
[0014] Example 1: A powder coating containing zirconia, the parts by weight (kg) of its raw materials are: nylon 6650, isotactic polypropylene resin 40, polybenzimidazole 52, zirconia 32, high wear-resistant carbon black 11, nano Vermiculite powder 30, tin dioxide 6, graphite powder 9, diffusing agent MF5 and film forming agent 5.0.
[0015] A method for preparing a powder coating containing zirconia, comprising the following steps:
[0016] (1) Preparation of film-forming agent:
[0017] a: First, mix 20 parts (by weight, the same below) of neoprene rubber CR322, 4.0 parts of aluminum nitride powder, 2.5 parts of ethylene glycol diglycidyl ether, and 10 parts of E-12 epoxy resin into the reaction kettle. Reaction at ℃ temperature for 2.5 hours;
[0018] b: Add 17 parts of maleic anhydride, 1.4 parts of 2,6-di-tert-butyl-p-cresol, 1.5 parts of vinyltrimethoxysilane, and 1.6 parts of crosslinking agent TAIC into the reaction kettle of step (1), and stir Mix and react at 65°C...
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Abstract
The invention discloses a zirconia-containing powder coating and a preparation method thereof. The powder coating comprises the following raw materials by weight part: 45-55 of nylon 66, 38-42 of isotactic polypropylene resin, 50-55 of polybenzimidazole, 30-35 of zirconia, 10-12 of high abrasion resistant carbon black, 28-32 of nano-vermiculite powder, 5-7 of stannic oxide, 8-10 of graphite powder, 4-6 of a dispersing agent MF and 4.5-5.5 of a film forming agent. The powder coating provided in the invention adopts nylon 66 and isotactic polypropylene resin as main raw materials, and zirconia, graphite powder and the film forming agent are added to enhance the mixing property among the raw materials. Meanwhile, the surface leveling of the powder coating is improved. With high gloss retention, the powder coating has improved decorative property. And the prepared product has a high qualified rate.
Description
technical field [0001] The invention relates to a powder coating, in particular to a powder coating containing zirconia and a preparation method thereof. Background technique [0002] With the continuous and stable growth of my country's economy and the continuous improvement of people's living standards, the powder coating business of metal components is also increasing, especially in industries such as instruments and meters, transportation facilities, and aluminum profiles. Powder coating can provide metals with excellent anti-corrosion However, due to the unsatisfactory anti-pollution performance of the existing coatings used in the above fields, various types of dust, dirt and even oil are often attached to the coatings; the anti-sticking ability is not ideal, and the existing powder coatings form Under the influence of natural conditions such as long-term outdoor exposure and rain, the coating is prone to blistering, cracking, and peeling. Therefore, the mechanical prope...
Claims
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IPC IPC(8): C09D179/04C09D177/06C09D123/12C09D7/12C09D5/03
Inventor 刘庆芳
Owner 佛山市时力涂料科技有限公司