Experimental Research on the Development of Tread Rubber Material for Environmental Tires

• Main Authors: YI-JUNG LIU, 劉益榮
• Other Authors: Justin, J.Y., Lin
• Format: Others
• Language: zh-TW
• Published: 2010
• Online Access: http://ndltd.ncl.edu.tw/handle/59356410915426497491

碩士 === 朝陽科技大學 === 數位化產品設計產業研發碩士專班 === 98 === In nearly a decade, vehicle concepts with new energy resources have gradually entered the market. People look forward to the potential energy saving effect of automotive technology upgrading. However, people rarely pay attention to tires, so that they don’t even know that tires can actually contribute to the effect of energy saving. According to experiments, about 1 barrel out of 5 barrels of gasoline will be “consumed” by the tires during car driving. The thermal energy accumulated in times is generated due to tire deformation caused by running of tires including rotation, acceleration, braking…etc. Relatively, the more heat generated in tire, the more rolling resistance created during driving, and the less kinetic energy can be converted from fuel to driving power. The purpose of this paper is to investigate different formulas for the tread rubber materials in order to reduce rolling resistance of tires. The research step includes formula design, rubber mixing and refining process, and evaluation. The research steps used in the paper can help to effectively shorten the product development cycle. At first, this paper will run some literature study on the basic structure of tires, the main raw materials of rubber tires, rubber formula designs and basic tire mechanics and theory. Secondly, research will use dynamic mechanical analysis (DMA) methodology to perform experiments for the development of the rubber materials. By analyzing different frequency, different temperature and different formula in different experiments to study the generated dynamic loss function tanδ. By using this method, the rolling resistance coefficient can be predicted quickly and effectively. Finally, by analyzing the physical property (such as processing, hardness, tensile strength, elongation, elongation,…etc.) of the new rubber formula to assure the property fall within the standard range to complete the material development process.