Multi-layer structure

Details Multi-layer structure Multi-layer structure

2006-01-24

2006-01-24

Miggins, Michael C. (Department: 1772)

Stock material or miscellaneous articles

Composite

Of polyamide

C428S474700, C428S475500, C428S475800, C428S476100, C428S036910, C428S035700, C138S141000, C220S562000, C220S567200, C220S586000, C220S062120, C220SDIG014, C206S000600

Reexamination Certificate

active

06989198

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.

REFERENCES:
patent: 6258927 (2001-07-01), Oka et al.
patent: 1197699 (2002-04-01), None

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