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Effects of the viscosity ratio on polyolefin ternary blends
Author(s) -
Ha M. H.,
Kim B. K.
Publication year - 2004
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.13570
Subject(s) - high density polyethylene , polyolefin , materials science , polypropylene , viscosity , ternary operation , composite material , polyethylene , polymer blend , izod impact strength test , flexural modulus , flexural strength , phase (matter) , polymer chemistry , copolymer , polymer , chemistry , organic chemistry , ultimate tensile strength , computer science , layer (electronics) , programming language
Polyolefin binary and ternary blends were prepared from polypropylene (PP), an ethylene–α‐olefin copolymer (mPE), and high‐density polyethylene (HDPE) on the basis of the viscosity ratio of the dispersed phase to the continuous phase. In PP/mPE/HDPE blends, fibrils were observed when the dispersed‐phase (mPE/HDPE) viscosity was less than that of PP, or when the viscosity of mPE was less than that of PP, although the viscosity of mPE/HDPE was greater than that of PP. The notched impact strength and mechanical properties such as the yield strength, flexural modulus, and hardness of PP/mPE binary blends further increased with the addition of HDPE according to the type of HDPE. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 91: 4027–4036, 2004

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