HIGHLY EXPANDABLE POLYOLEFIN COMPOSITION

PURPOSE:The titled polyolefin composition capable of forming highly expanded foam having a uniform cell structure and excellent appearance, comprising a volatile organic blowing and a specified amine. CONSTITUTION:Use is made of an amine of the formula (wherein R is a 1-5 C alkylene, A is H or an ac...

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Bibliographic Details
Main Authors HOSHI KOURIKU, SAITOU KAZUAKI
Format Patent
LanguageEnglish
Published 05.12.1983
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:PURPOSE:The titled polyolefin composition capable of forming highly expanded foam having a uniform cell structure and excellent appearance, comprising a volatile organic blowing and a specified amine. CONSTITUTION:Use is made of an amine of the formula (wherein R is a 1-5 C alkylene, A is H or an acyl, n is 1-10, and X is 1 or 2), e.g., 2-hydroxyethylamine. Namely, 100pts.wt. polyolefin, preferably, high-density polyethylene having a HMI <= about 30g/10min and a swell value <= about 30g/10cm, is mixed with about 5-80pts.wt. volatile blowing agent (e.g., dichlorotetrafluoroethane/methyl chloride mixture) and about 0.05-15pts.wt. above amine.
Bibliography:Application Number: JP19820092370