POLYOLEFIN RESIN FOAM AND MOLDED PRODUCT THEREOF

To provide a polyolefin resin foam that has a homogeneously foamed cell structure at a high expansion ratio, and also causes little contamination.SOLUTION: A polyolefin resin foam contains a block copolymer having a specific structure, which can be obtained by the reaction between (a) a polyolefin h...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIMOTO MASATAKA, UCHIUMI TETSUHIRO, OMORI NAOTO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	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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Beschreibung
Zusammenfassung:	To provide a polyolefin resin foam that has a homogeneously foamed cell structure at a high expansion ratio, and also causes little contamination.SOLUTION: A polyolefin resin foam contains a block copolymer having a specific structure, which can be obtained by the reaction between (a) a polyolefin having one end modified with acid and (b) a polyether or a modified product thereof.SELECTED DRAWING: None 【課題】高発泡倍率で均質な発泡セル構造を有し、かつ、低汚染性のポリオレフィン系樹脂発泡体を提供する。【解決手段】（ａ）片末端が酸変性されたポリオレフィンと、（ｂ）ポリエーテル又はその変性物とを反応させることにより得ることができる特定の構造を有するブロック共重合体を含有する、ポリオレフィン系樹脂発泡体。【選択図】なし