The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2006
Filed:
Oct. 14, 2003
Haruhisa Masuda, Hirakata, JP;
Yuji Munesawa, Tsukuba, JP;
Koichi Warino, Tsukuba, JP;
Tomoharu Nishioka, Ube, JP;
Yoshio Iwata, Ube, JP;
Koji Nakamura, Ube, JP;
Kozo Tamura, Pasadena, TX (US);
Tetsuya Hara, Kurashiki, JP;
Haruhisa Masuda, Hirakata, JP;
Yuji Munesawa, Tsukuba, JP;
Koichi Warino, Tsukuba, JP;
Tomoharu Nishioka, Ube, JP;
Yoshio Iwata, Ube, JP;
Koji Nakamura, Ube, JP;
Kozo Tamura, Pasadena, TX (US);
Tetsuya Hara, Kurashiki, JP;
Kuraray Co., Ltd., , JP;
Ube Industries, Ltd., , JP;
Abstract
A multi-layer structure excellent in the barrier properties against alcohol gasoline, particularly hydrocarbon components, and also excellent in the interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance is provided. The stractive is a multi-layer structure comprising two or more layers including at least a layer (a) comprising (A) nylon 11 and/or nylon 12 and a layer (b) comprising (B) a polyamide resin (nylon 9T) consisting of a dicarboxylic acid component and a-diamine component, with 60 to 100 mol % of the dicarboxylic acid component being a terephthalic acid and 60 to 100 mol % of the diamine component being a diamine component selected from 1,9-nonanediamine and 2-methyl-1,8-octanediamine, and preferably further including a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6.