直鎖状低密度ポリエチレン/低密度ポリエチレンブレンドの相溶性

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  • 前田 修一
    山口大学 大学研究推進機構 先進科学イノベーション

書誌事項

タイトル別名
  • Miscibility of Linear Low-Density Polyethylene/Low-Density Polyethylene Blends
  • チョクサジョウ テイミツド ポリエチレン/テイミツド ポリエチレンブレンド ノ ソウヨウセイ

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説明

<p>A series of six linear low-density polyethylene (LLDPE)/low-density polyethylene (LDPE) blends were prepared by melt blending of different combinations of three LLDPEs made using a metallocene catalyst, one LLDPE made using a Ziegler-Natta catalyst, and two tubular-type LDPEs. The linear viscoelasticity of the blends was then measured. The cross-term complex shear modulus G12* from a viscoelastic constitutive law was calculated using the viscoelasticity of each blend and its components. The miscibility of the LLDPE/LDPE blends was evaluated by comparing G12* when varying the composition of each blend system. If G12* of blends with different compositions matched over a wide angular frequency range, the miscibility of the blend system is considered to be good. On the other hand, miscibility of the blend system is thought to be poor if G12* depended on the composition.</p>

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