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Application of plasma equipment in household appliances and daily necessities industries
Author:Original Click :1307 Date: 2021-03-17

1. Household appliances Household appliances, such as ovens, washing machines, refrigerators, televisions, induction cookers, soymilk machines, dishwashers, etc., are often manufactured in large quantities, but the cycle is relatively short. On the other hand, there are high requirements for the long-term stability of the material combination and the cost saving of the process flow. This is reflected in people's increasing attention to adhesives in the production process, hoping to achieve long-term bonding of materials through simple and low-cost methods. In addition, the surface printing effect also requires long-term stability, especially when moisture and alkaline substances cause corrosion of home appliances.

1. Oven

(1) Purpose: Pretreatment of handles and hinges on oven doors to improve the highly reliable and durable bonding of glass and ceramics. (2) Description: Bonding ceramic-coated glass to metal is a challenge when pre-treating the surfaces involved. Even a small amount of contaminants may reduce the long-term stability of the adhesive bond layer. And lead to total failure. Plasma pretreatment This process will be simplified and more reliable and stable, and there is no need to use solvents for manual cleaning. In terms of the manufacturing process involved, this also means that suction equipment for recovering volatile solvents is no longer needed. (3) Process flow: Cleaning→plasma surface treatment (cleaning, activation and roughening)→gluing→bonding (4) Process value: ①The surface activation is very effective and uniform, and there will be no heat accumulation on the treated surface; ②No primer is needed, saving materials and labor cost of applying primer; ③Can use non-polar materials, such as PP, to reduce material costs; ④The entire bonding surface (including the bottom and side walls of the glue tank) can be processed; ⑤Atmospheric plasma equipment can be easily implanted into the existing manufacturing process.

2. Washing machine

(1) Purpose: Plasma treatment before bonding parts such as doors, barrels, cover plates, and counterweights. (2) Description: Whether it’s the bonding of polypropylene plastic parts contained in the door of the washing machine, the bonding of plastic strips on a board made of composite materials or the bonding of metal parts in the drum, or the bonding of high-strength polymer concrete The bonding of heavy blocks and plasma technology have established a new process standard in the pretreatment link of these processes. The application opportunities of plasma pretreatment are almost limitless. When used in conjunction with a suitable adhesive, it can achieve durable bonding to almost any material. (3) Process flow: Cleaning→plasma surface treatment (cleaning, activation and roughening)→gluing→bonding (4) Process value: Same as above

Second, daily necessities Consumers have higher and higher expectations for the products they buy: perfect printing and painting on high-gloss surfaces, long-lasting adhesive effects, seamless edging furniture, pollution-free production processes, new and innovative material combinations, Anti-fouling surface, non-stick, Antibacterial or flame-retardant functional coatings, etc. Using plasma technology can provide innovative and low-cost solutions for many different application areas.

1. Furniture processing


(1) Purpose: For medium density fiberboard, wood-plastic composite materials, polyvinyl chloride, polypropylene and wood, plasma treatment without solvent is used to ensure firm bonding. (2) Description: ① The basic requirement of furniture production is to produce high-quality furniture products with aesthetic feeling. Lightweight furniture and continuously evolving functional furniture have opened up more design freedom, requiring new combinations of different materials and intelligent production methods. With the ever-increasing requirements, the use of energy-saving production processes is also a decisive factor. Most importantly, in accordance with the decree to reduce volatile organic solvents (VOC), assume environmental responsibility and manufacture non-volatile furniture products. ②High-quality furniture board is a high-gloss scratch-resistant laminate, usually painted. The bonding force in this multi-layer composite process depends on the materials used and the pretreatment process. The plasma system can achieve precise and controllable surface activation and can reliably process non-polar materials (such as high-gloss polypropylene surfaces). It has excellent adhesion and uniform color distribution. After subsequent painting, very outstanding quality can be obtained. Spraying defects can be greatly reduced. (3) Process flow: Cleaning→plasma surface treatment (cleaning, activation and roughening)→gluing (spraying)→bonding (4) Process value: ①Alternative materials can be used, such as recycled materials; ②There are more choices of adhesives; ③New progressive processing flow, such as the application of plasma edge banding technology; ④More stable product quality, reducing the rate of defective products.

2. Children's toys

Description: The printing ink shed in pieces from the toy may soon be eaten into the stomach by the child. The production of children's toys should adopt high-level safety standards. This means that the ink system it uses must meet the quality requirements equivalent to food coloring. At the same time, toxic stabilizers such as lead are not allowed in the production process of toy plastic parts. Plasma process means safe process flow and reliable ink adhesion.

3. Sports shoes

Description: Environmental protection and health requirements put the sporting goods industry under constant pressure for innovation. Sports shoe manufacturing is a good example. Every year, consumers look forward to the development of new designs and new styles with better performance. This requires high-quality processing of ever-changing material combinations. In addition, consumers are constantly looking for environmentally friendly production processes that do not use solvents. "Green sports shoes" was born-in the production process of this kind of sports shoes, no solvent is used. However, to grasp the combination of new materials and environmental responsibility at the same time, it is necessary to perform high-performance surface pretreatment on the materials used. The outstanding bonding performance after plasma treatment is especially obvious when using new material combinations.

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