According to foreign media reports, researchers at the University of Michigan have found a new way to change the molecular structure of plastics so that the thermal conductivity of the material is roughly the same as that of glass products. This type of new plastic may be able to make the product lighter in texture, improve its energy efficiency while reducing its selling price. As the weight of the vehicle has a direct impact on the mileage of the electric vehicle, the new lightweight plastic may help to increase the mileage of the electric vehicle.
The new thermal engineering process (thermal engineering process) or will be used in the manufacture of lightweight plastic parts, suitable for vehicles, LED lights and computers and other equipment. As of now, many materials are not used for this particular material because plastics are limited by dissipating heat and other factors.
Earlier, researchers had added metallic fillers or ceramic fillers to plastics in order to increase their thermal conductivity, but the technology was largely unsuccessful, not to mention its high price. Researchers at the University of Michigan have adopted a new method that uses a chemical process to extend the tightly-wound molecular chain of plastic and strengthen its structure, creating a thermal path for plastic materials. The plastic polymer is first dissolved in water and then added to the electrolyte to increase its pH.
Each link within the polymer chain will carry a negative charge that repels, spreads, and spreads out of each other. Since then, researchers have adopted an industrial production process called "spin casting," and made the solution into a solid plastic film.
According to Kevin Pipe, an associate professor of mechanical engineering at the school, “For a long time, researchers have adopted various methods aimed at changing the molecular structure of polymers and giving plastics new mechanical, optical, or electronic properties. However, this time they use molecules. Structural design to change the thermal conductivity of materials is rarely heard, and usually, the heat flow of the material is a complex process, even if the polymer's thermal conductivity is only slightly improved, it may produce larger Technical impact."
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