POLYMER COMPOSITION

Provided is a polymer composition including (A) an ionomer containing an ethylene/±,²-unsaturated carboxylic acid copolymer and an ethylene/±,²-unsaturated carboxylic acid/±,²-unsaturated carboxylic acid ester terpolymer, and (B) a propylene-based polymer, wherein the mass of constituent units deriv...

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Bibliographic Details
Main Authors NAKANO, SHIGENORI, SUZUKI, KAORU, TOYODA, TOSHIHISA
Format Patent
LanguageEnglish
French
German
Published 25.05.2011
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Provided is a polymer composition including (A) an ionomer containing an ethylene/±,²-unsaturated carboxylic acid copolymer and an ethylene/±,²-unsaturated carboxylic acid/±,²-unsaturated carboxylic acid ester terpolymer, and (B) a propylene-based polymer, wherein the mass of constituent units derived from the ±,²-unsaturated carboxylic acid ester is from 1 to 4.5% by mass of the entire mass of the ionomer. Through this, a high seal strength may be obtained in a high-temperature range when forming a lock seal, while a high seal strength, as compared with the related art, can be stably obtained over a wide temperature range with a temperature dependence suppressed when forming a peelable seal.
Bibliography:Application Number: EP20090754743