STRETCHED POLYAMIDE FILM

A stretched film made of a resin mixture of a polyamide resin X with an amorous polyamide resin Y and/or an ionomer resin Z. The polyamide resin X includes a diamine constitutional unit containing 70 mol % or more of m-xylylene diamine unit and a dicarboxylic acid constitutional unit containing 70 m...

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Bibliographic Details
Main Author NANBA HIROYUKI
Format Patent
LanguageEnglish
Published 22.01.2009
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
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Summary:A stretched film made of a resin mixture of a polyamide resin X with an amorous polyamide resin Y and/or an ionomer resin Z. The polyamide resin X includes a diamine constitutional unit containing 70 mol % or more of m-xylylene diamine unit and a dicarboxylic acid constitutional unit containing 70 mol % or more of C6-C12 alpha,omega-aliphatic dicarboxylic acid unit. A film produced by melt-extruding the resin mixture can be stretched in a high ratio exceeding 4 times in at least one direction of MD and TD. The highly stretched film produced by the stretching in a ratio exceeding 4 times exhibits good gas-barrier properties and transparency.
Bibliography:Application Number: US20050573965