Ultrahigh molecular weight polyethylene: Catalysis, structure, properties, processing and applications

K Patel, SH Chikkali, S Sivaram - Progress in polymer science, 2020 - Elsevier
Ultrahigh molecular weight polyethylene (UHMWPE) belongs to an emerging class of high-
performance specialty polymers with a unique set of properties and applications. The field …

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) …

Reconstruction of the entanglement network and its effect on the crystallization and mechanical strength of sintered polymers

R Chen, S Jiang, C Luo - Macromolecules, 2023 - ACS Publications
Large-scale molecular dynamics simulations are carried out to study the reconstruction of
the entanglement network and the subsequent crystallization in the sintering process of …

Fabrication of recyclable and biodegradable PBAT vitrimer via construction of highly dynamic cross-linked network

J Zheng, J Lu, Z Yang, T Liu - Polymer Degradation and Stability, 2024 - Elsevier
The emergence of biodegradable materials has not satisfactorily addressed the issue of
plastic waste management, owing to their high cost and poor mechanical performance and …

Contribution of the initially entangled state and particle size to the sintering kinetics of UHMWPE

H Wang, X Yan, X Tang, Y Ma, X Fan, W Li, W Yu… - …, 2022 - ACS Publications
Nascent particles of ultrahigh-molecular-weight polyethylene (UHMWPE) with different
entangled states and particle sizes have been processed by means of sintering. The chain …

Role of chain dynamics in the melt memory effect of crystallization

X Liu, W Yu - Macromolecules, 2020 - ACS Publications
Self-nucleation (SN) methods, stress relaxation, interrupted shear flow experiments, and a
one-dimensional diffusion model were used to reveal the kinetic origin of the melt memory …

Exploring the entangled state and molecular weight of UHMWPE on the microstructure and mechanical properties of HDPE/UHMWPE blends

G Tao, Y Chen, J Mu, L Zhang, C Ye… - Journal of Applied …, 2021 - Wiley Online Library
Three types of ultra‐high molecular weight polyethylene (UHMWPE) with different entangled
state and molecular weight were blended with high‐density polyethylene (HDPE) matrix by …

Disentangled melt of ultrahigh-molecular-weight polyethylene: fictitious or real?

V Litvinov, F Christakopoulos, PJ Lemstra - Macromolecules, 2024 - ACS Publications
There are two opposing views on the role of the melting of low-entangled polyethylenes on
the obtained entanglement density in the molten state and the time required for its …

Reduced Entanglement Density of Ultrahigh-Molecular-Weight Polyethylene Favored by the Isolated Immobilization on the MgCl2 (110) Plane

Z Yue, N Wang, Y Cao, W Li… - Industrial & Engineering …, 2020 - ACS Publications
The polyhedral oligomeric silsesquioxane (POSS)-modified Ziegler–Natta catalysts with
judicious immobilization of TiCl4 were synthesized for ethylene polymerization. The …

Weak shear-induced slowdown in crystallization of less-entangled poly (ε-caprolactone)

X Liu, W Yu - Macromolecules, 2021 - ACS Publications
Self-nucleation (SN) and strong shear methods were employed to obtain less-entangled
melts in poly (ε-caprolactone) and its blends with poly (styrene-co-acrylonitrile). The effect of …