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AssigneesKuraray Co., Ltd., Ube Industries, Ltd.
InventorsHaruhisa Masuda, Yuji Munesawa, Koichi Warino, Tomoharu Nishioka, Yoshio Iwata, Koji Nakamura, Kozo Tamura, Tetsuya Hara
Estimating the term…
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.
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, wherein said layer (a) and said layer (b) directly contact and are bonded to each other.
A multi-layer structure comprising three or more layers including at least a layer (a) comprising (A) nylon 11 and/or nylon 12, 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 a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6, wherein said layer (a) and said layer (b) directly contact and are bonded to each other.
A multi-layer structure consisting of 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-metyl-1,8-octanediamine, wherein said layer (a) and said layer (b) are directly contacted and bonded with each other.
A multi-layer structure consisting of two or more polymer layers, said polymer layers comprising 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-metyl-1,8-octanediamine.
A multi-layer structure consisting of three or more polymer layers, said polymer layers comprising a layer (a) comprising (A) nylon 11 and/or nylon 12, 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-metyl-1,8-octanediamine, and a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6.
A multi-layer structure consisting of a layer (a) comprising (A) nylon 11 and/or nylon 12, 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-nonandiamine and 2-metyl-1,8-octanediamine, and one or more thermoplastic resin layers.
A multi-layer structure consisting of a layer (a) comprising (A) nylon 11 and/or nylon 12, 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-nonandiamine and 2-metyl-1,8-octanediamine, a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6, and one or more thermoplastic resin layers.
An automobile fuel pipe 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-metyl-1,8-octanediamine, wherein said layer (a) and said layer (b) are directly contacted and bonded with each other.
An automobile fuel pipe comprising three 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-metyl-1,8-octanediamine, and a layer (c) comprising (A) nylon 11 and/or nylon 12 or (C) nylon 6, wherein said layer (a) and said layer (b) are directly contacted and bonded with each other.
Dependencies are inferred from the claim text.