Porous graphite as platform for the separation and characterization of synthetic polymers–an overview

D Kot, T Macko, JH Arndt, R Brüll - Journal of Chromatography A, 2019 - Elsevier
Porous graphite as sorbent differs significantly from all other HPLC column packings. It
stands out due to its chemically extremely homogeneous surface, which moreover is planar …

Molecular kinetic study of “chain shuttling” olefin copolymerization

A Vittoria, V Busico, FD Cannavacciuolo… - ACS Catalysis, 2018 - ACS Publications
Statistical olefin block copolymers (OBCs) with “hard” and “soft” linear low-density
polyethylene (LLDPE) blocks can be synthesized by tandem catalysis under “coordinative …

Toughened polypropylene random copolymer with olefin block copolymer

Q Ren, J Fan, Q Zhang, J Yi, J Feng - Materials & Design, 2016 - Elsevier
In this work, the toughening effect of olefin block copolymer (OBC) on polypropylene random
copolymer (PPR) at room and low temperature (0° C) was investigated. Mechanical tests …

Quantitative polymer characterizations with NMR cryoprobes through spin echo NMR pulse sequences

Z Zhou, DV Eldred, Y Xia, JK Vasquez, A Moreno… - …, 2022 - ACS Publications
MQ silicone copolymers (MQ resins) and polyethylenes are very important polymers that are
used in our daily lives. The microstructures of these polymers dictate some of their important …

Long-Chain Branch Detection and Quantification in Ethylene–Hexene LLDPE with 13C NMR

Z Zhou, C Anklin, R Cong, X Qiu, R Kuemmerle - Macromolecules, 2021 - ACS Publications
Ethylene–hexene linear low-density polyethylene (LLDPE) is widely used in the packaging
industry due to its outstanding mechanical properties. Some LLDPEs contain long-chain …

Very Sensitive 13C NMR Method for the Detection and Quantification of Long-Chain Branches in Ethylene–Hexene Linear Low-Density Polyethylene

Z Zhou, C Anklin, R Kuemmerle, R Cong, X Qiu… - …, 2021 - ACS Publications
Some linear low-density polyethylene (LLDPE) resins are designed to have long-chain
branches (LCBs) to improve the viscoelastic properties. While improving the viscoelastic …

Preparation of polystyrene–polyolefin multiblock copolymers by sequential coordination and anionic polymerization

DH Kim, SS Park, SH Park, JY Jeon, HB Kim, BY Lee - RSC advances, 2017 - pubs.rsc.org
Block copolymers of polyolefins (PO) and polystyrene (PS) are attractive materials that are
not synthesized directly from the olefin and styrene monomers. A strategy for construction of …

Sensitivity-Enhanced Spin Echo Nuclear Magnetic Resonance Pulse Sequence for Quantitative Polymer Characterizations with a Nuclear Magnetic Resonance …

Z Zhou, Y Xia, A Moreno, JK Vasquez, R Cong - Macromolecules, 2023 - ACS Publications
Microstructures in polymers often impact performance attributes and physical properties.
Therefore, correctly identifying and quantifying these microstructural motifs are paramount …

In-depth characterization of polyolefin plastomers/elastomers (ethylene/1-octene copolymers) through hyphenated chromatographic techniques

JH Arndt, R Brüll, T Macko, P Garg… - Journal of Chromatography …, 2020 - Elsevier
The chemical composition distribution (CCD) of three single site made ethylene/1-octene
copolymers was investigated through offline-hyphenation of solvent gradient interaction …

Engineering Poly(ethylene-co-1-butene) through Modulating the Active Species by Alkylaluminum

Y Yu, TFL McKenna, C Boisson… - ACS …, 2020 - ACS Publications
A SiO2/MgCl2-bisupported Ziegler–Natta-type catalyst is studied in gas-phase ethylene/1-
butene copolymerization. With a minimal amount of alkylaluminum required to activate the …