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Study on PP/LLDPE Blend

Ye Tian

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Abstract

Different kinds of PP and LLDPE,and various process conditions were chosen to study the structure performance relationship in PP /LLDPE blends By scanning electronic microscope and polarized light microscope,we studied the microstructure of PP/LLDPE blends The mechanical and thermal properties of the blends were also tested The result showed that with the increase of the content of LLDPE,the impact strength of the blend increased,while the tensile yield strength,tensile modulus and Vicat softening point decreased,and an interpenetrating network structure with rigidity,toughness and good performance was formed in the blend

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What this paper is about

Different kinds of PP and LLDPE,and various process conditions were chosen to study the structure performance relationship in PP /LLDPE blends By scanning electronic microscope and polarized light microscope,we studied the microstructure of PP/LLDPE blends The mechanical and thermal properties of the blends were also tested The result showed that with the increase of the content of LLDPE,the impact strength of the blend increased,while the tensile yield strength,tensile modulus and Vicat softening point decreased,and an interpenetrating network structure with rigidity,toughness and good performance was formed in the blend

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Available abstract

Different kinds of PP and LLDPE,and various process conditions were chosen to study the structure performance relationship in PP /LLDPE blends By scanning electronic microscope and polarized light microscope,we studied the microstructure of PP/LLDPE blends The mechanical and thermal properties of the blends were also tested The result showed that with the increase of the content of LLDPE,the impact strength of the blend increased,while the tensile yield strength,tensile modulus and Vicat softening point decreased,and an interpenetrating network structure with rigidity,toughness and good performance was formed in the blend

Key concepts: Linear low-density polyethylene, Vicat softening point, Materials science, Ultimate tensile strength, Composite material, Toughness, Microstructure, Izod impact strength test

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