RUBBER MATERIAL FOR TIRE TREAD WITH PRICKING RESISTANCE, AND CHUNKING AND CHIPPING RESISTANCE, ITS PREPARATION AND APPLICATION
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Jul 2, 2015
filing date -
Dec 18, 2014
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Abstract
Tire tread, specifically, a rubber material used for the tire tread with the properties of pricking resistance, and chunking and chipping resistance, its preparation method and the application thereof. The rubber material used for the tire tread comprises: (1) 100 parts by weight of main rubber ingredients: including 50-95 parts by weight of natural cis-1,4-polyisoprene rubber and 5-50 parts by weight of synthetic rubber of styrene-butadiene copolymer; (2) compounding agents; based on 100 parts by weight of the main rubber ingredients, the said compounding agents including 10-20 parts by weight of white carbon black used as inorganic filler. The tire tread prepared by the rubber material has the tear strength of 110.0 Mpa or more and the cutting volume of 0.60 cm3 or below, so that the tire tread has the excellent property of tear resistance so as to further provide the properties of pricking resistance, and chunking and chipping resistance.
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