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粉末涂料以及涂装技术应用领域
来源:http://www.sdcjtz.com/ 发布时间:2024-02-11

由于巨大的环保压力,粉末涂料不断地取代液体油漆已经成为当今的主流,随着粉末涂料以及涂装技术的改进,粉末涂料的应用领域将更大。粉末涂料及涂装技术的改进主要源白汽车行业、家电行业以及普通工业领域需求的增长,其中包括原材料、制粉和涂装技术等的展改进。粉末涂装在汽车行业的应用不断扩大,汽车底盘、内饰件、轮毂和车身均开始采用粉末涂装。汽车用粉末涂料的技术改进包括:透明粉末的透明性、附着力、流平性和抗紫外光性:在保证粉末涂料外观和性能的前提下尽可能降低固化温度;以及各种涂装技术(如机器人技术、气流控制技术和高上粉率技术)等。

Due to enormous environmental pressure, powder coatings are constantly replacing liquid paints as the mainstream today. With the improvement of powder coatings and coating technology, the application field of powder coatings will be even larger. The improvement of powder coatings and coating technology mainly comes from the growth of demand in the white automotive industry, home appliance industry, and general industrial sectors, including the exhibition and improvement of raw materials, powder production, and coating technology. The application of powder coating in the automotive industry is constantly expanding, and the automotive chassis, interior parts, wheels, and body are all starting to use powder coating. The technological improvements of powder coatings for automobiles include: transparency, adhesion, leveling, and UV resistance of transparent powders: reducing the curing temperature as much as possible while ensuring the appearance and performance of powder coatings; And various painting technologies, such as robot technology, airflow control technology, and high powder rate technology.

粉末涂料涂装的预涂金属板(卷材)在家电行业的应用快速增长,要求粉末涂料能在25~60s内完成熔融、流动流平和固化全过程,并同时保持良好的涂膜外观与各种抗性。家电用粉末涂料必须具有一定的后成型性,其成型度取决于终用途。涂装好的板材应当可以叠放在一起,普通金属板材薄涂膜的涂装线速度应当达到30~80fpm,卷材涂装的线速度应达到100fpm。另外气流控制(或降低)、上粉率或电荷转移率应控制在佳状态。在高的涂装线速下固化涂膜外观的改进是家电粉末涂料技术改进的主攻方向,它涉及到红外光波长/光照强度与涂料及底材的匹配问题、快速流平的对流加热和感应加热固化方式、粉末涂膜表面连续性好的固化程序、以及整个固化体系的清洁程度。

浙江优迈-电泳线

The application of pre coated metal sheets (coils) coated with powder coatings in the home appliance industry is rapidly increasing, requiring powder coatings to complete the entire process of melting, flow leveling, and curing within 25-60 seconds, while maintaining good coating appearance and various resistance. Powder coatings for household appliances must have a certain degree of post formability, and their formability depends on the end use. The coated sheets should be stacked together, and the coating speed of thin films on ordinary metal sheets should reach 30-80fpm, while the coating speed of coils should reach 100fpm. In addition, the airflow control (or reduction), powder loading rate, or charge transfer rate should be controlled in an optimal state. The improvement of the appearance of cured coatings at high coating line speeds is the main focus of the improvement of household appliance powder coating technology. It involves the matching problem of infrared wavelength/light intensity with coatings and substrates, fast leveling convection heating and induction heating curing methods, good surface continuity curing program for powder coatings, and the cleanliness of the entire curing system.

汽车行业和家电行业的发展推动了特种粉末涂料体系和涂装技术的开发,出现了适用于不同工艺的专用粉末涂料在普通工业涂料中的应用在不断增长,逐步进入以前难以涉足的领域(由于颜色要求过多、涂装速度过快、涂料渗色严重、涂层过多等)。在普通工业涂料市场上粉末涂料因可以提供各种批次的产品以满足诸多小客户的需求而成为另一大亮点。制粉设备供应商和原材料供应商的不断增加也促使许多区域性的油漆供应商增设粉末涂料生产线,与此同时,成熟的欧洲市场却不断有新的粉末涂料原材料以及涂装设备面世。

The development of the automotive and home appliance industries has driven the development of special powder coating systems and coating technologies. The application of specialized powder coatings suitable for different processes in ordinary industrial coatings is constantly increasing, gradually entering areas that were previously difficult to explore (due to excessive color requirements, fast coating speed, severe paint bleeding, excessive coating, etc.). In the general industrial coating market, powder coating has become another highlight due to its ability to provide various batches of products to meet the needs of many small customers. The continuous increase in suppliers of powder equipment and raw materials has also prompted many regional paint suppliers to add powder coating production lines. At the same time, the mature European market is constantly seeing the emergence of new powder coating raw materials and coating equipment.

总之,供应商数量的增加对于小中型的粉末用户是为有利的,它们可以得到价格稳定的原材料,产品的实用性更强。但是粉末大客户的发展往往只有少数特定供应商受益,使他们与粉末涂料、涂装工艺、以及终用户的关联度更大。

In short, the increase in the number of suppliers is beneficial for small and medium-sized powder users, as they can obtain raw materials with stable prices and stronger product practicality. However, the development of major powder customers often benefits only a few specific suppliers, which increases their relevance to powder coatings, coating processes, and end users.

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