Mechanical properties of an ultrahigh‐molecular‐weight polyethylene/polypropylene blend containing poly(ethylene glycol) additives | Zendy

Xie Meiju | Zendy; Li Huilin | Zendy

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Mechanical properties of an ultrahigh‐molecular‐weight polyethylene/polypropylene blend containing poly(ethylene glycol) additives

Author(s) -

Xie Meiju,

Li Huilin

Publication year - 2008

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.27919

Subject(s) - materials science , polypropylene , peg ratio , polyethylene glycol , ultimate tensile strength , polymer blend , ethylene glycol , toughness , polyethylene , composite material , phase (matter) , polymer , izod impact strength test , polymer chemistry , chemical engineering , copolymer , chemistry , organic chemistry , finance , engineering , economics

It was recently reported that poly(ethylene glycol) (PEG) additives (PEG and its hybrids with inorganic fillers) could significantly improve the processability of ultrahigh‐molecular‐weight polyethylene (UPE)/polypropylene (PP) blends. The influence of PEG additives on the mechanical properties of UPE/PP blends was investigated in this study. With the addition of small amounts of PEG additives, the tensile properties of UPE/PP blends were little affected, whereas the loss in impact strength was relatively noticeable; however, the toughness was maintained at a high level. Stress–relaxation and stress–strain tests showed that the PEG additives acted mainly in the amorphous phase, reducing the entanglement density of the blends. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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