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Composite materials and future cars
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The future of the car is to adapt to the environmental protection of the green car, and thus inevitably have to mention the environmental awareness of composite materials. Composite materials can improve the performance of materials, prolong the use period, strengthen the function, these are the characteristics of favorable environment. But should be taken seriously and strive to overcome the problem of composite materials, so that the composite material toward the direction of environmental coordination.
Recycling of composite parts is a very difficult thing, it will have some adverse effects on the environment. As is currently the fastest development and application of polymer based composite material of the highest in the vast majority of it is flammable, burning will emit large amounts of toxic gases, pollute the environment; and the molding, matrix in the volatile components of the solvent will spread into the air pollution. Using composite itself is group of various material composition, is a multiphase material, to be crushed, ground and melting and degradation, composite part is firstly decomposed into parts of a single material, however this decomposition process cost and regeneration cost is higher, but also to to recover the original performance is very difficult. Therefore, one of the main conditions of recycling is the parts easy to disassemble, as far as possible is a single variety of materials, even if it is to try to use composite materials with less composite materials. On the basis of the above considerations, the application of thermoplastic polyolefin elastomer, polypropylene foam material and GMT reinforced plate will be greatly increased, but the amount of thermosetting resin will be limited. At present, a great progress has been made in the research of regeneration and degradation. In today's society, people look at the issue of the relationship between man and nature, environment and energy issues become the key to the survival and development of every country in the world. With the people's awareness of environmental protection will continue to improve and comply with environmental laws and regulations promulgated, green car has become the inevitable trend of the future automotive development. Therefore, how to make the automobile to meet the requirements of environmental protection, he mentioned the agenda of car manufacturers. And the composite material as the mainstream of the development of automotive materials, is bound to play a very important role in.