Polypropylene molded article

The invention provides a polypropylene molded article characterised in that the content of hexane and/or heptane therein is less than 5 ppm and the content of 2,4-dimethyl-heptene-1 therein is less than 5 ppm. It has a greatly lowered level of odor and hence is suitable for food packaging.

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Bibliographic Details
Main Authors KURODA, KAZUHISA, FUKUI, YOSHIHARU
Format Patent
LanguageEnglish
French
German
Published 09.05.1990
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:The invention provides a polypropylene molded article characterised in that the content of hexane and/or heptane therein is less than 5 ppm and the content of 2,4-dimethyl-heptene-1 therein is less than 5 ppm. It has a greatly lowered level of odor and hence is suitable for food packaging.
Bibliography:Application Number: EP19890309521