LAMINATED TUBE - UBE INDUSTRIES

Title:

LAMINATED TUBE

Document Type and Number:

WIPO Patent Application WO/2005/071301

Kind Code:

A1

Abstract:

A laminated tube which has at least three layers and comprises (A) a (a) layer comprising polyamide (11) and/or polyamide (12), (B) a (b) layer comprising a polyamide (a semi-aromatic polyamide) comprising a dicarboxylic acid unit containing a terephthalic acid unit and/or naphthalenedicarboxylic acid in an amount of 50 mole % or more relative to the total amount of the dicarboxylic acid and a diamine unit containing a aliphatic diamine unit having 9 to 13 carbon atoms in an amount of 60 mole % or more relative to the total amount of the diamine unit, and (C) a (c) layer comprising a fluorine-containing polymer having a functional group reactive to a polyamide based resin being introduced into its molecular chain. The laminated tube is excellent in the property of preventing the permeation of an alcohol gasoline mixture, inter-layer adhesiveness, low temperature impact resistance, heat resistance and chemical resistance.

Inventors:

NISHIOKA TOMOHARU (JP)
NAKAMURA KOJI (JP)
IWASA TSUYOSHI (JP)
FUNAKI ATSUSHI (JP)
NISHI EIICHI (JP)
UCHIDA KOICHI (JP)
KASHIMURA TSUGUNORI (JP)
YAMASHITA TAKASHI (JP)
MUNESAWA YUJI (JP)

Application Number:

PCT/JP2005/001563

Publication Date:

August 04, 2005

Filing Date:

January 27, 2005

Export Citation:

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Assignee:

UBE INDUSTRIES (JP)
ASAHI GLASS CO LTD (JP)
KURARAY CO (JP)
NISHIOKA TOMOHARU (JP)
NAKAMURA KOJI (JP)
IWASA TSUYOSHI (JP)
FUNAKI ATSUSHI (JP)
NISHI EIICHI (JP)
UCHIDA KOICHI (JP)
KASHIMURA TSUGUNORI (JP)
YAMASHITA TAKASHI (JP)
MUNESAWA YUJI (JP)

International Classes:

B32B1/08; (IPC1-7): F16L11/04; B32B1/08; F16L11/12; F16L11/127

Domestic Patent References:

WO2001094829A1

2001-12-13

Foreign References:

JPH06234190A

1994-08-23

Other References: