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We studied the use of Bio-plastics (plastics made from plants) such as poly(lactic acid) (PLA) to automotive parts. To apply this material to automotive plastic parts, improvement in heat and impact performance is required. From the viewpoint of suppressing the increase in CO2 emissions, we attempted to improve the performance of PLA by combining with natural fiber. As the result, we could improve both heat and impact performance. In addition, we could achieve higher modulus and lower bulk density, which leads to the weight reduction of automotive parts.

We studied the application of Bio-plastics (plastics made from plants) such as poly(lactic acid) (PLA) to automotive parts. To apply this material to automotive plastic parts, major improvement is required for thermal and impact performance. From the viewpoint of suppressing the increase CO2 emissions, we attempt to improve the performance of PLA by combining with natural fiber. As the result, we could improve both thermal and impact performance. In addition, we could achieve higher modulus and lower bulk density, which lead to the weight reduction of automotive parts.