Tire inner liner based on butyl rubber comprising a low content of carbon black and another additional filler
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United States of America Patent
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Apr 24, 2018
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app pub date -
Jun 30, 2015
filing date -
Jun 30, 2014
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Abstract
A tire inner liner comprises a rubber composition comprising: an elastomeric matrix comprising at least 50 phr of one or more butyl rubbers, from 5 to 35 phr of carbon black, from 0 to less than 10 phr of a plasticizing agent, at least 5 phr of one or more additional fillers selected from reinforcing fillers other than carbon black, semi-reinforcing fillers and inert fillers, the total content of reinforcing fillers and of semi-reinforcing fillers in the rubber composition varying from 5 to 50 phr. The invention also relates to a tire comprising such a liner.
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