HEAT-RESISTANT CROSSLINKED POLYESTER FIBER AND HEAT-RESISTANT CROSSLINKED POLYESTER FIBER CORD

Title:

HEAT-RESISTANT CROSSLINKED POLYESTER FIBER AND HEAT-RESISTANT CROSSLINKED POLYESTER FIBER CORD

Document Type and Number:

WIPO Patent Application WO/2007/123059

Kind Code:

A1

Abstract:

Disclosed are a polyester fiber and polyester fiber cord having excellent heat resistance which are capable of maintaining mechanical properties at medium and high temperatures and is not thermally melted, while maintaining characteristics such as dimensional stability, high strength and durability. The polyester fiber and polyester fiber cord are useful as a material for belt and carcass members of tires. Specifically disclosed is a heat-resistant crosslinked polyester fiber which is characterized in that the ratio between the storage modulus at 100˚C (E'100) and the storage modulus at 250˚C (E'250), namely E'100/E'250 is not more than 10 in a dynamic viscoelasticity measurement. Also specifically disclosed is a heat-resistant crosslinked polyester fiber cord which is characterized in that the heat-resistant crosslinked polyester fiber is at least partially contained therein and the ratio between the storage modulus at 100˚C (E'100) and the storage modulus at 250˚C (E'250), namely E'100/E'250 is not more than 4 in a dynamic viscoelasticity measurement.

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Inventors:

NAGAHARA, Shigenori (1-1 Katata 2-Chome, Ohtsu-sh, Shiga 92, 5200292, JP)
永原重徳 (〒92 滋賀県大津市堅田二丁目１番１号東洋紡績株式会社内 Shiga, 5200292, JP)
YOSHINO, Kenji (1-1 Katata 2-Chome, Ohtsu-sh, Shiga 92, 5200292, JP)

Application Number:

JP2007/058138

Publication Date:

November 01, 2007

Filing Date:

April 13, 2007

Export Citation:

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Assignee:

TOYO BOSEKI KABUSHIKI KAISHA (2-8 Dojima Hama 2-chome, Kita-ku Osaka-shi, Osaka 0, 308230, JP)
東洋紡績株式会社 (〒30 大阪府大阪市北区堂島浜二丁目２番８号 Osaka, 308230, JP)
NAGAHARA, Shigenori (1-1 Katata 2-Chome, Ohtsu-sh, Shiga 92, 5200292, JP)
永原重徳 (〒92 滋賀県大津市堅田二丁目１番１号東洋紡績株式会社内 Shiga, 5200292, JP)

International Classes:

D06M14/18; B60C7/00; D01F6/62; D02G3/02; D02G3/48; D06M15/00; D06M15/263; D06M101/32; D06M14/00; B60C7/00; D01F6/62; D02G3/02; D02G3/48; D06M15/00; D06M15/21

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