Results 41 to 50 of about 151,077 (328)

Enabling nonconjugated polyesters emit full-spectrum fluorescence from blue to near-infrared

Nature Communications
Near-infrared luminophores have many advantages in advanced applications, especially for structures without π-conjugation aromatic rings. However, the fabrication of red clusteroluminogens from nonconjugated polymers is still a big challenge, let alone ...
Bo Chu, Xiong Liu, Zuping Xiong, Ziteng Zhang, Bin Liu, Chengjian Zhang, J. Sun, Qing Yang, Haoke Zhang, Ben Zhong Tang, Xinghong Zhang   +10 more
semanticscholar   +1 more source

Preparation and Characterization of Polymer- Ceramic Composite Bio-material [PDF]

Engineering and Technology Journal, 2010
This work focuses on studying the addition effect of the prepared HA powder asa filler material before and after the calcination process with different volumefractions (2.5, 5, 7.5, 10, 12.5, 15) vol% to the unsaturated polyester resin matrix.Many ...
Rabab Asim Abdul-Aziz, Waleed Asim Hanna, Kahtan Khalaf Al-khazraji   +2 more
doaj   +1 more source

Recent progress of heterocycle ring‐opening (co)polymerization for the synthesis of sequence‐controlled block polyesters and polycarbonates

Smart Molecules
Aliphatic polyesters and polycarbonates are among the promising sustainable polymers, which exhibit unique degradability and chain‐chain interactions owing to their heterofunctionality.
Hongyu Zhao, Chenyang Hu, Xuan Pang, Xuesi Chen   +3 more
doaj   +1 more source

Machine Learning for the Optimization of the Bioplastics Design

Macromol
Biodegradable polyesters have gained attention due to their sustainability benefits, considering the escalating environmental challenges posed by synthetic polymers.
Neelesh Ashok, Pilar Garcia-Diaz, Marta E. G. Mosquera, Valentina Sessini   +3 more
doaj   +1 more source

Methylenealkane-Based Low-Viscosity Ester Oils: Synthesis and Outlook

Lubricants, 2020
Both Group 4 poly-α-olefin (PAO) and Group 5 ester oil basestocks are used in formulations of synthetic engine oils, transmission fluids, and lubricants with leading characteristics such as low viscosity (providing fuel saving), high stability, and ...
Ilya Nifant’ev, Vladimir Bagrov, Alexander Vinogradov, Alexey Vinogradov, Sergey Ilyin, Nadezhda Sevostyanova, Sergey Batashev, Pavel Ivchenko   +7 more
doaj   +1 more source

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

FEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Dicarboxylic esters: Useful tools for the biocatalyzed synthesis of hybrid compounds and polymers

Beilstein Journal of Organic Chemistry, 2015
Dicarboxylic acids and their derivatives (esters and anhydrides) have been used as acylating agents in lipase-catalyzed reactions in organic solvents. The synthetic outcomes have been dimeric or hybrid derivatives of bioactive natural compounds as well ...
Ivan Bassanini, Karl Hult, Sergio Riva
doaj   +1 more source

Novel "green" catalysts for controlled ring-opening polymerization of lactide [PDF]

, 2010
Syntéza polylaktidu (PLA) polymerací za otevření kruhu cyklického monomeru (ROP) může být uskutečněna různými způsoby. Literatura uvádí více než 100 katalytických systémů, jejichž pomocí lze polylaktid a jiné biodegradabilní alifatické polyestery získat.
Surman, František
core  

Editorial: biodegradable materials [PDF]

, 2014
This Special Issue “Biodegradable Materials” features research and review papers concerning recent advances on the development, synthesis, testing and characterisation of biomaterials. These biomaterials, derived from natural and renewable sources, offer
Audic, Jean-Luc, Schaschke, Carl
core   +7 more sources

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

FEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc, Blaž Stres, Mirica Karlovits, Igor Karlovits, Petra Jerič, Ondrej Panák, Anja Verbič, Blaž Likozar, Uroš Novak   +8 more
wiley   +1 more source