High Melt Strength Polyolefin Elastomers (HMS POEs) and Olefin Block Copolymers (OBCs)

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  • 熱可塑性エラストマーの今そして未来　　高溶融張力エチレン系エラストマーＨＭＳ　ＰＯＥ及びオレフィンブロック共重合体ＯＢＣの特徴と適用事例
  • 高溶融張力エチレン系エラストマーHMS POE及びオレフィンブロック共重合体OBCの特徴と適用事例
  • コウヨウユウ チョウリョク エチレンケイ エラストマー HMS POE オヨビ オレフィンブロック キョウジュウゴウタイ OBC ノ トクチョウ ト テキヨウ ジレイ

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Description

Novel polyolefin elastomers, HMS POE and OBC were introduced. HMS POE is a high melt strength ethylene-α-olefin random copolymer with certain level of long chain branches and high molecular weight which have provided unique rheological properties such as higher melt strength, higher melt elasticity, shear shining property under a given shear and strain hardening. These rheological attributes have enabled higher through-put for extrusion profile, thermoforming sheet without any tear and webbing and stable parison retention for blow molding. Moreover, OBC is a multi-block copolymer consisting of hard- and soft-blocks covalently bonded together. Due to the presence of crystalline hard blocks, it provides heat resistant elastomer, faster crystallization rate leading to cycle time reduction and comparable compression set property to that of cross-linked TPV products.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 83 (9), 303-309, 2010

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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