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RUBBER COMPOSITION FOR TIRE SIDEWALL USING POLYETHYLENE-BASED WAX FOR IMPROVING APPEARANCE AND QUALITY OF TIRE
RUBBER COMPOSITION FOR TIRE SIDEWALL USING POLYETHYLENE-BASED WAX FOR IMPROVING APPEARANCE AND QUALITY OF TIRE
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机译：使用基于聚乙烯的蜡的轮胎侧壁橡胶组合物，以改善轮胎的外观和质量
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摘要
PURPOSE: Provided is a rubber composition for tire sidewalls, which uses a polyethylene-based wax different from wax currently used in tires to improve the appearance of tire and to retard cracking of rubber caused by ozone aging, thereby improving tire quality. CONSTITUTION: The rubber composition for tire sidewalls comprises 2-3 parts by weight of a polyethylene-based wax based on 100 parts by weight of base rubber. Particular examples of the base rubber include natural rubbers, synthetic rubbers and mixed rubbers thereof. The polyethylene-based wax have a molecular weight greater than that of a paraffin wax or microcrystalline wax currently used in tires by two times or more, as well as a broad range of melting points.
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