Briefly describe the concept and development of green plastics

I. Overview of green plastics

Green plastic refers to plastic products that are harmless to humans and are environmentally friendly. Polypropylene (PP) can be called green plastic because its structure is closely related to the three elements C, H, O of human life, and it is environmentally friendly whether it is recycled or burned.

Second, characteristics and applications

It has excellent plasticity, temperature and impact resistance, and is the lightest weight plastic. It can be used as the best material for plastic and plastic. Such as automotive materials that can be used as lightweight, green building materials, environmentally friendly medical equipment, home appliances, and so on.

Third, the development prospects

The vision of green plastic is infinite. Taking the plastics application in the automotive industry as an example, at present, the weight of the automobile manufacturing plant is required. In 2003, the average fuel efficiency efficiency of the American automobile factory is to reduce the weight of the vehicle by 8%, and the uniform requirement is to reduce the weight of the vehicle by 0.3% every year. Plastics used in automobiles, high-volume parts include bumper, front tank guard, instrument panel, center console, lamp seat cover, door trim, spoiler light, seven categories, accounting for about six to make.

In 2004, China and the world's car plastics accounted for the weight of the whole vehicle: red flag accounted for 7.5%, Santana accounted for 6.5%, Japanese cars evenly accounted for 7.5%, North American cars evenly accounted for 13%, European cars evenly accounted for 12%. By 2006, the use of plastics in Europe and the United States has accounted for 14% of the weight of vehicles.

In the automotive lightweight application, the aluminum alloy frame accounts for about 30% of the total weight of the car; with the continuous improvement of the plastic consumption in the car, the PP material will account for 50%-60% of the plastic.

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