Kautschukzusammensetzung und Luftreifen
Anmelder: Sumitomo Rubber Industries, Ltd. 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP2662405
- Aktenzeichen
- EP13167022
- Anmeldetag
- 8. Mai 2013
- Veröffentlichung
- 17. Dezember 2014
- Erteilung
- 17. Dezember 2014
- Rechtsraum
- EP
- IPC
- C08K7/02
Abstract
The present invention provides a rubber composition which makes it possible to improve the handling stability, ride comfort, and elongation at break in a balanced manner and at the same time to achieve satisfactory processability and fuel economy; and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition including a masterbatch that includes: a modified natural rubber with a phosphorus content of 200 ppm or less; and microfibrillated plant fibers. The rubber composition preferably has a ratio (E*a/E*b) of a complex modulus E*a in an extrusion direction to a complex modulus E*b in a perpendicular direction to the extrusion direction, both measured at a temperature of 70°C and a dynamic strain amplitude of 2% under an initial elongation of 10%, of 1.05 to 6 .00, wherein the complex modulus E*a is 7 to 100 MPa.
Anmelder
- Firma
- Sumitomo Rubber Industries, Ltd.
- Land
- 🇯🇵 Japan
Japanisches Unternehmen mit Sitz in Kobe, das Reifen unter der Marke Dunlop sowie weitere Gummi- und Kautschukprodukte für Fahrzeuge und Sportartikel entwickelt und produziert.
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