Title:
ENDLESS TUBULAR POLYIMIDE FILM
Document Type and Number:
WIPO Patent Application WO/2005/085324
Kind Code:
A1
Abstract:
A process for producing a high-quality nonconductive or semiconductive endless (jointless) tubular polyimide film simply and efficiently with high economy, etc. In particular, there is provided a nonconductive or semiconductive endless tubular polyimide film constituted of a polyimide produced from a component of aromatic diamine and a component of two or more aromatic tetracarboxylic acids composed of 15 to 55 mol% of asymmetric aromatic tetracarboxylic acid ingredient and 85 to 45 mol% of symmetric aromatic tetracarboxylic acid ingredient, wherein a given amount of carbon black is dispersed according to necessity, and there are further provided a process for producing the same, etc.
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Inventors:
Nishiura, Naoki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kuraoka, Takashi c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Maruichi, Naoyuki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Yoshida, Tsutomu c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kanetake, Junya c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Murakami, Toru c/o Ube Chemical Factory of UBE INDUSTRIES LTD. (1978-1, O-Aza Kogushi Ube-shi Yamaguchi 33, 75586, JP)
Kuraoka, Takashi c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Maruichi, Naoyuki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Yoshida, Tsutomu c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kanetake, Junya c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Murakami, Toru c/o Ube Chemical Factory of UBE INDUSTRIES LTD. (1978-1, O-Aza Kogushi Ube-shi Yamaguchi 33, 75586, JP)
Application Number:
PCT/JP2004/015309
Publication Date:
September 15, 2005
Filing Date:
October 08, 2004
Export Citation:
Assignee:
GUNZE LIMITED (1 Zeze, Aono-cho, Ayabe-shi Kyoto 11, 62385, JP)
UBE INDUSTRIES, LTD. (1978-96, O-Aza Kogushi, Ube-shi Yamaguchi 33, 75586, JP)
Nishiura, Naoki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kuraoka, Takashi c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Maruichi, Naoyuki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Yoshida, Tsutomu c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kanetake, Junya c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Murakami, Toru c/o Ube Chemical Factory of UBE INDUSTRIES LTD. (1978-1, O-Aza Kogushi Ube-shi Yamaguchi 33, 75586, JP)
UBE INDUSTRIES, LTD. (1978-96, O-Aza Kogushi, Ube-shi Yamaguchi 33, 75586, JP)
Nishiura, Naoki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kuraoka, Takashi c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Maruichi, Naoyuki c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Yoshida, Tsutomu c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Kanetake, Junya c/o Research & Development Center of GUNZE LIMITED (163 Morikawara-cho, Moriyama-shi Shiga 64, 52400, JP)
Murakami, Toru c/o Ube Chemical Factory of UBE INDUSTRIES LTD. (1978-1, O-Aza Kogushi Ube-shi Yamaguchi 33, 75586, JP)
International Classes:
B29C41/04; C08G73/10; C08K3/04; C08L79/08; G03G15/16; (IPC1-7): C08G73/10; C08L79/08; C08K3/04; G03G15/16; B29C41/04
Attorney, Agent or Firm:
Saegusa, Eiji (Kitahama TNK Building, 1-7-1 Doshomach, Chuo-ku Osaka-shi Osaka 45, 54100, JP)
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