Results 81 to 90 of about 4,008 (250)

The silent partner in catalysis: How support architectures dictate efficiency in polyolefin hydrogenolysis

Nano Research
Polyolefins represent the most extensively manufactured category of plastics globally, whose ultra strong chemical stability makes their recycling challenging.
Xueping Zhang, Wenli Wang, Mei Hong, Yamei Lin, Guo-Ping Lu   +4 more
doaj   +1 more source

Recent Advances in Conductive Rubber Composites: Progress, Challenges, and Emerging Opportunities

Macromolecular Rapid Communications, EarlyView.
This study reviews the recent advances in conductive rubber composites, focusing on key aspects such as material selection, conductive mechanisms, interfacial engineering, processing methods, vulcanization strategies, and practical applications. It also discusses current challenges and highlights emerging directions that are shaping the development of ...
Lu Yin, Ali Vahidifar, Steven Yu, Boxin Zhao   +3 more
wiley   +1 more source

Production of liquid fuel by pyrolysis of waste polyolefins

Zaštita Materijala
Growth in the manufacture of easily accessible oil, the main source of high energy liquid transportation fuels, will not match the projected rate of demand growth, especially in developing countries.
Marina Krasnovskikh, Aleksandr Ketov, Vladimir Korotaev, Natalia Sliusar, Iakov Vaisman   +4 more
doaj   +1 more source

Chemically and Mechanically Recyclable Polyolefins Incorporating Covalent Adaptable Networks

Macromolecular Rapid Communications, EarlyView.
Low‐molecular‐weight polypropylene is converted into a crosslinked polyolefin containing a covalently adaptable network. The semicrystalline material remains melt‐processable and mechanically recyclable. Its thermal and mechanical properties are comparable to commercial polyolefins.
Andrii Tiiara, Bernadine Daichendt, Sergiy Minko, Olga Kuksenok, Igor Luzinov   +4 more
wiley   +1 more source

Reprocessable Vitrimers From Post‐Consumer Polyolefin Blends: Elucidating Phase‐Selective Dynamic Networks

Macromolecular Rapid Communications, EarlyView.
Reactive melt extrusion utilizing nitroxide‐mediated silyl ether chemistry transforms post‐consumer high‐density polyethylene and polypropylene blends into robust vitrimers. Featuring highly phase‐selective crosslinking, these upcycled materials combine thermoset‐like dimensional stability at elevated temperatures with dynamic melt‐reprocessability ...
Subhaprad Ash, Rishi Sharma, Li Xie, Muhammad Rabnawaz   +3 more
wiley   +1 more source

Thermal and Morphological Analysis of Biocomposite From Multilayer Plastic Waste and Oil Palm Empty Fruit Bunch Fiber

Macromolecular Symposia, EarlyView.
ABSTRACT Oil palm empty fruit bunches (OPEFB), a byproduct of the palm oil industry, have great potential in the circular economy, particularly for composite material production. Multilayer plastic waste from the bottled water industry presents significant environmental challenges.
Siti Mutia Mawaddah, Muhammad Ghozali, Adam Febriyanto Nugraha, Mochamad Chalid   +3 more
wiley   +1 more source

Experimental Study on Polymer–Polymer Interfacial Thermal Resistance

Macromolecular Theory and Simulations, Volume 34, Issue 2, March 2025.
Interfacial thermal resistance (ITR) in polymer–polymer interfaces is experimentally measured in this paper by the multi‐layered bulk sample approach. Based on numerical simulation and experimental verification, new techniques of layer‐overlapping samples are developed.
Yinfeng Xia, Takushi Saito, Tatsuya Kawaguchi   +2 more
wiley   +1 more source

Features of the change in the thermal coefficient of electrical resistance upon heating electrically conductive composites of crystallizable polyolefins with carbon black

Тонкие химические технологии
Objectives. To investigate electrically conductive polymer composite materials (EPCMs) based on crystallizable polyolefins and electrically conductive carbon black for the production of self-regulating heaters; to study the mechanism of the occurrence of
A. V. Markov, A. E. Zverev, V. A. Markov
doaj   +1 more source

Potential of Thermoset Polyolefins for FRP Concrete Reinforcing Bars

Polymer Composites, EarlyView.
Overview of XLPO and pDCPD resins for FRP reinforcing bars, highlighting resin chemistry, key performance characteristics, fiber sizing interactions, and principal degradation mechanisms in concrete environments. ABSTRACT Although thermoset polyolefins offer resistance to hydrolytic degradation and favorable processing characteristics, their potential ...
Osama Omar, Farzaneh Mahmoudi, Leonidas G. Bachas, Francisco De Caso, Brahim Benmokrane, Antonio Nanni   +5 more
wiley   +1 more source

Performance Evaluation of Compression‐Molded Recycled Mixed Plastic Fractions From Light Packaging

Polymer Engineering &Science, EarlyView.
Mixed HDPE/PP bottle‐cap waste was successfully processed through closed‐loop mechanical recycling. The recycled blends maintained stable thermal, rheological, and mechanical performance over multiple cycles, demonstrating the feasibility of valorizing heterogeneous polyolefin waste without advanced polymer separation.
Raquel Ortega, José Ramón Cárdenas, Rubén Paz, Pablo Bordón, Mario Monzón   +4 more
wiley   +1 more source