Title:
CONDUCTIVE MULTIFILAMENT YARN AND CONDUCTIVE BRUSH
Document Type and Number:
WIPO Patent Application WO/2011/108669
Kind Code:
A1
Abstract:
Disclosed is a conductive multifilament yarn for forming a conductive brush, the yarn comprising conductive fibers obtained by coating the surface of synthetic fibers with carbon nanotubes. The synthetic fibers each may have a fineness of 30 dtex or less. The synthetic fibers each may have 3-6 recesses or grooves extending in the lengthwise direction, and have a cross section in the shape of a multi-blade leaf or in a star shape. The conductive multifilament yarn has high conductivity and may have an electrical resistance at 20ºC of 1×106-1×1011 Ω/cm. The conductivity of the yarn is highly even, and the standard deviation of the logarithm of the electrical resistance may be 1.0 or less. Since the conductive multifilament yarn has even and advanced conductivity characteristics (electrification or charge neutralization characteristics), which are required of conductive brushes for electrophotographic devices, the yarn is suitable for use as a cleaning brush for electrophotographic devices.
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Inventors:
AKIBA Eiji (8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 11, 〒5308611, JP)
秋庭 英治 (〒11 大阪府大阪市北区角田町８番１号 クラレリビング株式会社内 Osaka, 〒5308611, JP)
HACHIYA Masaaki (31, Aza Kariyasukamichi, Kaimei, Ichinomiya-sh, Aichi 01, 〒4940001, JP)
蜂矢 雅明 (〒01 愛知県一宮市開明字苅安賀道３１ 茶久染色株式会社内 Aichi, 〒4940001, JP)
秋庭 英治 (〒11 大阪府大阪市北区角田町８番１号 クラレリビング株式会社内 Osaka, 〒5308611, JP)
HACHIYA Masaaki (31, Aza Kariyasukamichi, Kaimei, Ichinomiya-sh, Aichi 01, 〒4940001, JP)
蜂矢 雅明 (〒01 愛知県一宮市開明字苅安賀道３１ 茶久染色株式会社内 Aichi, 〒4940001, JP)
Application Number:
JP2011/054974
Publication Date:
September 09, 2011
Filing Date:
March 03, 2011
Export Citation:
Assignee:
KURARAYLIVING Co., Ltd. (8-1 Kakuda-cho, Kita-ku Osaka-sh, Osaka 11, 〒5308611, JP)
クラレリビング株式会社 (〒11 大阪府大阪市北区角田町８番１号 Osaka, 〒5308611, JP)
Chakyu Dyeing Co., Ltd. (31 Aza Kariyasukamichi, Kaimei Ichinomiya-sh, Aichi 01, 〒4940001, JP)
茶久染色株式会社 (〒01 愛知県一宮市開明字苅安賀道３１番地 Aichi, 〒4940001, JP)
Tsuchiya TSCO Co., Ltd. (43-1, Urajinkiri Ushita-cho, Chiryu-sh, Aichi 07, 〒4720007, JP)
槌屋ティスコ株式会社 (〒07 愛知県知立市牛田町裏新切４３番地１ Aichi, 〒4720007, JP)
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Kita 8-jyo Nishi 5-chome, Kita-ku Sapporo-sh, Hokkaido 08, 〒0600808, JP)
国立大学法人北海道大学 (〒08 北海道札幌市北区北８条西５丁目 Hokkaido, 〒0600808, JP)
クラレリビング株式会社 (〒11 大阪府大阪市北区角田町８番１号 Osaka, 〒5308611, JP)
Chakyu Dyeing Co., Ltd. (31 Aza Kariyasukamichi, Kaimei Ichinomiya-sh, Aichi 01, 〒4940001, JP)
茶久染色株式会社 (〒01 愛知県一宮市開明字苅安賀道３１番地 Aichi, 〒4940001, JP)
Tsuchiya TSCO Co., Ltd. (43-1, Urajinkiri Ushita-cho, Chiryu-sh, Aichi 07, 〒4720007, JP)
槌屋ティスコ株式会社 (〒07 愛知県知立市牛田町裏新切４３番地１ Aichi, 〒4720007, JP)
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Kita 8-jyo Nishi 5-chome, Kita-ku Sapporo-sh, Hokkaido 08, 〒0600808, JP)
国立大学法人北海道大学 (〒08 北海道札幌市北区北８条西５丁目 Hokkaido, 〒0600808, JP)
International Classes:
G03G21/10; D06M11/74
Attorney, Agent or Firm:
KUWATA Mitsuo et al. (KUWATA & CO, 6th Floor Minato Umeda Building, 3-17, Nishitemma 6-chome, Kita-ku, Osaka-sh, Osaka 47, 〒5300047, JP)
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Claims:
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