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Melt rheology of high‐density polyethylene
Author(s) -
Fujiyama Mitsuyoshi,
Kagiyama Yasuhiro
Publication year - 1972
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.1972.070161225
Subject(s) - rheology , viscoelasticity , materials science , rheometer , capillary action , polyethylene , high density polyethylene , composite material , gel permeation chromatography , modulus , relaxation (psychology) , newtonian fluid , polymer chemistry , dynamic modulus , dynamic mechanical analysis , thermodynamics , polymer , psychology , social psychology , physics
Abstract The melt rheology of high density polyethylene was investigated. Linear viscoelasticity, capillary flow properties, and molecular weight parameter were measured with a plate relaxometer, capillary rheometer, and gel permeation chromatography, respectively. Intimate correlations among the slope of relaxation modulus curve, non‐Newtonian flow behavior, Barus effect, and molecular weight parameter, M z ( M z +1 )/ M w , respectively, were found.