Tire sealant and tire with sealant containing silica and balanced organoperoxide depolymerized butyl rubber
The present invention relates to a tire puncture sealant and a pneumatic wire with the puncture sealant as a built-in puncture sealant. The sealant composition comprises a reinforcing filler comprising silica, and a butyl rubber depolymerized in the presence of a balanced combination of organoperoxi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to a tire puncture sealant and a pneumatic wire with the puncture sealant as a built-in puncture sealant. The sealant composition comprises a reinforcing filler comprising silica, and a butyl rubber depolymerized in the presence of a balanced combination of organoperoxides comprising a small quantity of 4,4-di-(tertiary butylperoxy) valerate depolymerized initiator and a great quantity of dicumyl peroxide depolymerized extension agent, wherein the combination comes to have cooperation effect. |
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