Time-domain NMR in polyolefin research

V Litvinov, Y Men - Polymer, 2022 - Elsevier
Polyethylene's and polypropylenes are most studied polymers by different solid-state NMR
methods. Among various NMR methodologies used, time-domain proton NMR (TD-NMR) …

[图书][B] Polymer morphology: principles, characterization, and processing

Q Guo - 2016 - books.google.com
With a focus on structure-property relationships, this book describes how polymer
morphology affects properties and how scientists can modify them. The book covers …

Ordering and crystallization of entangled polyethylene melts under uniaxial tension: A molecular dynamics study

YR Sliozberg, IC Yeh, M Kröger, KA Masser… - …, 2018 - ACS Publications
Morphological and mechanical properties of semicrystalline polymers are strongly
influenced by flow-induced crystallization during processing. We perform extensive …

Preparation of ultrahigh-molecular-weight polyethylene fibers by combination of melt-spinning and melt-drawing

M Kakiage, D Fukagawa - Materials Today Communications, 2020 - Elsevier
Ultrahigh-molecular-weight polyethylene (UHMW-PE) fibers were prepared by a
combination of melt-spinning and melt-drawing. An as-spun fiber without melt fracture was …

Morphology of high-density polyethylene pipes stored under hydrostatic pressure at elevated temperature

N Sun, M Wenzel, A Adams - Polymer, 2014 - Elsevier
The morphology of unimodal and bimodal high-density polyethylene (HDPE) pipes during a
hydrostatic pressure test was studied in detail using 1 H solid-state NMR. Characterizing the …

Effect of blending small amount of high-density polyethylene on molecular entanglements during melt-drawing of ultrahigh-molecular-weight polyethylene

A Takazawa, M Kakiage, T Yamanobe, H Uehara… - Polymer, 2022 - Elsevier
The effect of blending a small amount of high-density polyethylene (HDPE) on molecular
entanglements during melt-drawing of ultrahigh-molecular-weight polyethylene (UHMW-PE) …

In-situ analysis for melt-drawing behavior of ultra-high molecular weight polyethylene/normal molecular weight polyethylene blend films

H Tanaka, S Saijo, M Kakiage, T Yamanobe, H Uehara - Polymer, 2021 - Elsevier
Blend films composed of ultrahigh molecular weight polyethylene (UHMW-PE) and normal
molecular weight polyethylene (NMW-PE) with various ratios were prepared. Structural …

Nanowrinkled and nanoporous polyethylene membranes via entanglement arrangement control

H Uehara, T Tamura, M Kakiage… - Advanced Functional …, 2012 - Wiley Online Library
Crystalline homopolymers, including polyethylene (PE), which has the simplest architecture,
form a nanometer‐sized combination of crystalline and amorphous components, but their …

Contribution of chain alignment and crystallization in the evolution of cooperativity in drawn polymers

F Hamonic, D Prevosto, E Dargent, A Saiter - Polymer, 2014 - Elsevier
Abstract The effects of Strain Induced Crystallization and chain orientation on the
cooperativity evolution with temperature are studied on two polymers with similar molecular …

In situ analysis of melt-drawing behavior of ultrahigh molecular weight polyethylene films with different molecular weights: roles of entanglements on oriented …

S Kato, H Tanaka, T Yamanobe… - The Journal of Physical …, 2015 - ACS Publications
Ultrahigh molecular weight polyethylene (UHMW-PE) films having different molecular
weights (MWs) were melt-drawn at 150° C. The stress–strain curve for higher-MW film …