Effect of reaction conditions on the hydrogenolysis of polypropylene and polyethylene into gas and liquid alkanes

L Chen, Y Zhu, LC Meyer, LV Hale, TT Le… - Reaction Chemistry & …, 2022 - pubs.rsc.org
Hydrogenolysis of polypropylene (PP) and polyethylene (PE) provides a pathway to convert
these plastics into smaller hydrocarbons at relatively low temperature. Among carbon (C) …

高压电缆交联聚乙烯绝缘的关键性能与基础问题

李盛涛, 王诗航, 杨柳青, 李建英, 赵健康… - 中国电机工程 …, 2022 - epjournal.csee.org.cn
高压电缆是城市输电网的关键电力装备, 是海上风电输送到陆地电网, 实现新能源大规模利用的
关键电力装备. 然而, 高压电缆用交联聚乙烯绝缘料是我国高压电缆生产的“卡脖子” …

Efficient and selective dual-pathway polyolefin hydro-conversion over unexpectedly bifunctional M/TiO2-anatase catalysts

L Chen, JB Moreira, LC Meyer, J Szanyi - Applied Catalysis B …, 2023 - Elsevier
The huge scale of plastic waste generation and its environmental consequences drive the
demands for catalytic plastic upcycling processes. Here, we report efficient polypropylene …

Synthesis of long-chain branched polyolefins by coordinative chain transfer polymerization

HJ Lee, JW Baek, TJ Kim, HS Park, SH Moon… - …, 2019 - ACS Publications
Synthesis of long-chain branched polymers has been a crucial concern in the polyolefin
industry. In this study, a method to produce long-chain branches (LCBs) in coordinative …

A commercially viable solution process to control long-chain branching in polyethylene

RD Froese, DJ Arriola, J den Doelder, J Hou… - Science, 2024 - science.org
In polyolefins, long-chain branching is introduced through an energy-intensive, high-
pressure radical process to form low-density polyethylene (LDPE). In the current work, we …

The effects of polyolefin structure and source on pyrolysis-derived plastic oil composition

J Wu, Z Jiang, VS Cecon, G Curtzwiler, K Vorst… - Green …, 2024 - pubs.rsc.org
Seven types of plastics were pyrolyzed in a fluidized bed reactor: post-consumer recycled
(PCR) high-density polyethylene (HDPE), PCR polypropylene (PP), HDPE virgin resins with …

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 …

Linking molecular structure to plant conditions: advanced analysis of a systematic set of mini-plant scale low density polyethylenes

KM Zentel, PSE Bungu, H Pasch, M Busch - Polymer Chemistry, 2021 - pubs.rsc.org
Two sample sets of low density polyethylene (LDPE) were investigated and differentiated via
comprehensive analysis of their microstructures with specific emphasis on branching. The …

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 …

Synthesis of Chain Shuttling Organometallic Compounds Capable of Producing Triblock Polyolefins

L Sun, E Szuromi, T Karjala, Z Zhou… - Macromolecules, 2020 - ACS Publications
Organometallic oligomeric compounds with dual-headed structure R'-(MR-) n M-R'were
developed enabling the synthesis of triblock polyolefins. The compounds comprise divalent …