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The development direction of automobile plastic innovation
Writer:admin    Released:2018-03-30 10:06:01    Type:【L】【M】【S

As people for car use, safety and environmental performance requirements unceasing enhancement, "plastic" process is accelerated constantly, there is no doubt that for the automotive plastic also put forward higher requirements, at the same time, it also makes the automotive plastic should develop to the several aspects:

 

1. Development impact performance.

 

2. Not only should the cost be reduced, but also the intensity.

 

3. Use recyclable and degradable composite materials.

 

4. Development of plastic alloy.

 

Due to the requirements of the future automobile based on style and regulations, the size of the unit bumpers and dashboards is further enlarged, which requires good processing of the materials.

Also as the production of multi-function and smaller cars is increasing, in the future of the car plastic applications, automotive plastic material is still dominated by PP, ABS, through various modified and composite techniques, such as blending, copolymerization, fiber reinforced high-performance, engineering and functional, further expand the application fields of the car, reduce the manufacturing cost of the vehicle.

Universal plastic can reduce the cost of automobile manufacturing.

PP, ABS because of low density, good mechanical properties and processability, and the cost is low, the impact modifiers for by fiber reinforced and the varieties used in automobile interiors, instrument panel, bumper, wheel cover and other parts have been widely accepted.

The amount of cars used in cars is increasing year by year, especially in multi-function cars and small cars.

According to statistics, PP accounts for nearly 50% of the plastic parts of the automobile. In 2009, the maximum amount of PP was 60kg, of which the amount of PP modified composite was 45kg, and the amount of pure PP was 15kg.

 

The application of high - tech composite technology is increasing, which mainly shows the following points:

 

1. The demand for plastic alloy increases.

 

Engineering plastic with good mechanical properties, the comprehensive mechanical properties, heat resistance, acid, long life and good reliability, some still has the characteristics of good self-lubrication, is beyond than common plastic.

Preparation of high performance engineering plastics through blending modification alloy materials, used in the manufacture of auto parts and dynamic parts, can satisfy the intensity and so on performance requirements at the same time, still can reduce the thickness of the products, and products to reduce weight and reduce the cost.

In addition, the processing performance of engineering plastics can be improved through the blending modification of engineering plastics, so as to facilitate the manufacture of large automobile parts and reduce the cost.

 

2. Enhance the high performance and environmental protection of materials.

 

Glass fiber reinforced materials (glass fiber chopped strand mat) is a plastic mechanical strength and heat resistance can be improved, but there are large brittleness, and processing illiquid, visual defect, shortcomings and so on easy to warp.

Therefore, the application of other high-strength lightweight fiber reinforced plastics is a development direction of composite reinforced materials in the future.

Companies such as BMW, mercedes-benz recently have successively developed the high strength lightweight carbon fiber composite materials (CFRP) used in car body panels and other components, its rigidity is higher than ordinary steel components, surface feel comfortable.

In addition, natural fibers, such as flax and sisal, are used to make body parts in plastics, and have been recognized in the automobile industry.

On the one hand, natural fibers are environmental protection materials;

If using flax to strengthen PP to make body floor, the tensile strength of the material is higher than that of steel, the rigidity is not lower than the fiberglass reinforced material, making it easier to recycle.

On the other hand, plant fiber is 40% lighter than glass fiber, which can reduce the weight of the car and reduce fuel consumption.

 

3. Universality of extended materials.

 

In order to efficient use of energy and raw materials, reduce the cost of cars of different types of auto parts is adopting several kinds of material type, not only can expand the production scale of raw materials, reduce cost, also is more advantageous to improve the quality of material.

It is also good for recycling waste vehicles.

Due to the rapid development of the automobile industry, the problem of recycling is followed, so the environmental protection of the automobile is higher.

Biodegradable plastic is one of the major development directions of automotive materials in the future.

Toyota motor corp., the polylactic acid and kenaf composite materials have been developed car tyres and car cushion, and will gradually before going to the 2015 Toyota some general plastic parts are all made of the biological instead of parts, and the first change is car inner decoration.

As the car to the direction of lightweight, environmental protection and the development of plastics and composite materials research further, nanotechnology gradually application in production, as you might expect, in the near future, the development and use of all plastic cars have not dream, the car of a plastic industrial era is coming.

 

4. Application of nanocomposite technology.

 

With the development of nanometer plastics technology, nanometer plastic, with its excellent mechanical properties, heat resistance and flame retardant properties, and its antibacterial, radiation protection performance, corrosion resistance, aging such as additional functionality in the application of automotive plastics has been the favour of many enterprises.

Such as Cascade engineering companies in the United States] developed Forte grade nano PP composites, with light (density of 0.928 g/cm3), excellent mechanical strength and surface properties, used for automobile inner decoration, beautiful, comfortable, high strength, etc.

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