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/Long fiber modified mateirals for lightweight auto parts new energy sector
Long fiber modified mateirals for lightweight auto parts new energy sector 2021-03-26

The automotive industry has become the fastest growing area of the demand for modified plastics, which is driven by the lightweight of automobiles.The largest downstream application fields of modified plastics are home appliances and automobiles. Drived by the lightweight of automobiles, the automobile industry has become the fastest growing area of the demand for modified plastics. It is expected that in the next few years, the average annual growth rate of the demand for modified plastics for automobiles will be more than 15%.

Modified plastics are better than general plastics in flame retardancy, strength, impact resistance, toughness and other aspects. They are mainly used in household appliances, automobiles, construction, office equipment, machinery and other fields, among which household appliances and automobiles are the two largest application fields.

Interior weight loss can be reach by using modified plastics, reduce the weight of the body and chassis in addition to the use of high strength steel, aluminum and magnesium alloys, some researchers have even proposed the concept of all plastic body, puts forward the concept of integrated ultra-light new energy vehicles, super light new energy automobile main cells by the driver, driving system, steering system, aluminum alloy frame, and other components of the composite material body, plastic floor, body can curb weight down to 850 kg of modified plastics application in automobile interiors.

long glass fiber granules and long carbon fiber granules

The dashboard
At present, there are two forms of instrument panel, hard instrument panel and soft instrument panel. Soft instrument panel is generally used by high-grade cars, while buses, trucks and other models are basically hard instrument panel.The instrument board is generally made of modified PP material. The modified PP is mainly made of rubber toughening agent and inorganic filling material.Dashboard skin material is mainly PVC/ABS, PVC is weak in impact resistance and heat resistance, ABS mechanical properties and forming processing ability is better, and can be combined with PVC, the combination of the two can form complementary.
Door panel
At present more commonly used manufacturing door plate modified plastic is ABS, PP, with them made into a skeleton, and the surface with a layer of buffer layer.In some models of GM and Chevrolet, glass fiber reinforced unsaturated polyester sheet molding plastic is used to modify the application of plastic in functional parts and structural parts
Bumper

Car bumper is one of the main parts of the use of modified materials, most of the bumper on the market are made of plastic products, the bumper panel is PP, PC/ABS, PC/PBT and other materials, the skeleton is wood or metal materials, the middle part is PP foaming materials.This kind of material is not conducive to recycling from the perspective of environmental protection. After continuous innovation, TPO can be used in the production of bumper panel, glass fiber reinforced PP material can be used in the skeleton, foamed PP can be used in the middle part, and the material with the same property can be used to make bumper. Before recycling, only cleaning and drying treatment can be carried out.
Clutch actuating system
Clutch because often work in high temperature environment and is under the influence of pressure lubricating agent, metal materials used in conventional manufacturing process, but is increasingly, modified plastic clutch execution system advantages more apparent, in the manufacturing execution system of the clutch with 50% long fiber reinforced nylon LFRT black raw materials, higher stability, and cost savings.

Fiber reinforced plastic is resin and reinforced fiber composite materials, the automobile industry mainly uses glass fiber reinforced thermoplastic, it has the characteristics of small density, easy to form, flexible design, corrosion resistance, impact resistance, vibration resistance, heat insulation, easy to paint, high strength, low cost.At present, the application of glass fiber reinforced unsaturated polyester sheet molded plastic carbon fiber composite material in automobile carbon fiber automobile lightweight solution.

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