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Tire with component containing polymeric nanofiber

A technology of nanofibers and components, applied in the tire field of components

Inactive Publication Date: 2009-06-17
THE GOODYEAR TIRE & RUBBER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such surface treatments do not always yield the desired results

Method used

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  • Tire with component containing polymeric nanofiber

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Embodiment Construction

[0008] Disclosed herein is a pneumatic tire comprising at least one member comprising a rubber composition comprising a diene-based elastomer and having a thickness of 1 to 100 parts by weight per 100 parts by weight of the elastomer in a thickness of 20 Polymeric nanofibers between to 200 nm.

[0009] The rubber composition includes polymer nanofibers. In one embodiment, the polymeric nanofibers are produced by electrospinning, for example as taught in US Publication No. 2006 / 0290031, WO2006 / 108364, WO2006 / 131081 or WO2007 / 054039, the entire teachings of which are incorporated herein Reference. After the polymeric fibers have been produced by electrospinning, the fibers are cut to desired lengths by methods known in the art. In one embodiment, the chopped fibers are in the form of chopped wool. In one embodiment, the chopped fibers are dispersed in oil to facilitate fiber separation. In one embodiment, the polymeric nanofibers are used in the form of wool arranged in one ...

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Abstract

The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 100 parts by weight, per 100 parts by weight of elastomer, of a polymer fiber having a thickness ranging from 10 to 200 nm.

Description

[0001] Cross-references to other applications [0002] This application claims the benefit of Serial No. 61 / 014,025 filed December 15, 2007. technical field [0003] The present invention relates to tires, and more particularly to tires having elements comprising polymeric nanofibres. Background technique [0004] The rubber elements used in pneumatic tires are sometimes reinforced with short textile fibers. In general, the presence of short fibers in vulcanized rubber compounds results in an increase in initial or low strain (low elongation) modulus (stiffness). At the same time, the presence of short fibers in rubber often leads to reduced fatigue life and higher hysteretic heat build-up under cyclic stress. [0005] The performance of tires containing short fibers can be improved by treating the surface of the fibers with chemical binders to improve the bond between the fibers and the rubber. However, such surface treatments do not always yield the desired results. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/00C08L7/00C08L29/04C08L77/00C08L67/00C08J5/04B60C1/00
CPCC08L29/04B60C1/00C08K7/02C08L21/00C08L67/00B60C11/14C08L77/00C08L2666/04C08L2666/18C08L2666/20
Inventor A·莱希滕贝默F·施米茨
Owner THE GOODYEAR TIRE & RUBBER CO