The composition and application development of
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The composition and application development of

Views: 0     Author: Uliflex     Publish Time: 2021-04-03      Origin: Site


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Conveyor belts are generally composed of three parts: skeleton material, covering layer and bonding layer material (hereinafter covering layer and bonding layer are collectively referred to as 'covering layer') and bottoming material. Among them, the skeleton material is the key to the carrying of the conveyor belt, which is the conveyor belt. Guidance, load capacity and extensibility are the decisive factors; therefore, the covering material is the guarantee for the normal operation of the conveyor belt. It has the functions of protecting the skeleton material, conveying the material, increasing the friction coefficient, absorbing the impact of the material, anti-wear, etc. The characteristics of the conveyor belt Such as high temperature resistance, abrasion resistance, anti-static, etc., all depend on the characteristics of the covering layer material; the function of the base material is to make the framework material and the covering layer have good bonding strength.

According to the material of the covering layer, conveyor belts can generally be divided into rubber conveyor belts and light conveyor belts. The former mainly uses various natural or synthetic rubbers, while the latter uses various polymer materials, mainly including PVC, PE , TPU, TPEE materials, etc.

On the whole, the application of rubber conveyor belts has not changed much in the past few decades. It is still dominated by traditional heavy industry and mining, and is developing in the direction of high temperature resistance, flame retardancy, and high strength according to the special requirements of these industries; The application fields of light conveyor belts are constantly increasing, from the initial light industry, electronic production lines to textile printing and dyeing, stone and wood processing, food processing, etc., in addition to the traditional five major industries of steel, coal, electricity, cement, and ports. Almost all fields can be used at present, and its performance and application fields continue to develop with the development of polymer material technology. In the conveyor belt industry, lightweight conveyor belts represent the development direction of conveyor belts that are lightweight, safe, environmentally friendly, and energy-saving.

Globally, along with the economic development, the overall market size of the conveyor belt industry has maintained steady growth.

Compared with traditional rubber conveyor belts, the new material lightweight conveyor belt has many advantages: First, it is safer and healthier. Compared with traditional conveyor belts, PU food grade conveyor belt products and PVC conveyor belts are widely used in food processing, agricultural production and other industries because they meet the strict standards of EU and FDA, while TPEE and PE conveyor belts meet the burning requirements due to their surface materials. Non-toxic and harmless, it is used as the main belt of the tobacco industry; secondly, it is relatively easy to change the performance and can meet the diverse performance requirements. In addition to the good characteristics of the covering material itself, through physical and chemical modification, the new material lightweight conveyor belt can be resistant to acid and alkali, oil and organic solvents, and meet the diversified use needs of many industries; again, in terms of performance In a similar situation, the weight and thickness of the new material lightweight conveyor belt is much smaller than that of the rubber conveyor belt, and the flexibility is better. The wheel diameter of the equipment required is also much smaller, so it is more energy-saving.

Therefore, from a global perspective, with the international R&D and application of new green and environmentally friendly materials, and the increasing awareness of environmental protection and energy saving, the conveyor belt industry will develop in the direction of lightness, energy saving, safety and environmental protection in the future. Light conveyor belts The proportion in the conveyor belt industry is gradually increasing, and it is gradually replacing ordinary rubber conveyor belts in more and more fields, and the market demand continues to expand.

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