Results 21 to 30 of about 22,637 (128)

Synthesis of Lignin-based Phenol Terminated Hyperbranched Polymer

Molecules, 2019
In this work, we proved the efficient synthesis of a bio-based hyper-branched polyphenol from a modified lignin degradation fragment. Protocatechuic acid was readily obtained from vanillin, a lignin degradation product, via alkaline conditions, and ...
Lionel Longe, Gil Garnier, Kei Saito
doaj   +1 more source

Effect of interaction from the reaction of carboxyl/epoxy hyperbranched polyesters on properties of feedstocks for metal injection molding

Materials Research Express, 2022
The purpose of this study is to improve the properties of the feedstocks and shape retention of debinded parts by the reaction between 17-4PH stainless steel powders.
Guoming Chen, Haihong Ma, Zhengfa Zhou, Fengmei Ren, Weibing Xu   +4 more
doaj   +1 more source

Effects of hyperbranched polyesters covalent functionalized multi-walled carbon nanotubes on the mechanical and tribological properties of epoxy composites

Materials Research Express, 2019
In order to improve the mechanical and tribological properties of epoxy composites, the hyperbranched polyesters with terminal carboxyl (HBP) were used for covalent functionalization of multi-walled carbon nanotubes (MWCNTs).
Jin Tian, Yefa Tan, Zhongwei Zhang, Xiaolong Wang, Ting Xu, Binghui Tang   +5 more
doaj   +1 more source

Hyperbranched poly(ethylene glycol)–trimesic acid polyesters as tunable scaffolds for modulating oxidative stress, calcium homeostasis, and neuro–keratinocyte interactions in tissue engineering [PDF]

Materials Advances
The design of bioengineered scaffolds with tunable mechanical and biochemical properties is essential for advancing tissue regeneration strategies. In this study, we developed a series of hyperbranched poly(ethylene glycol)–trimesic acid (PEG : TMA ...
Aniruddha Mukherjee, Satish Kumar, Sayan Basak, Luna Goswsmi, Chandan Goswami, Jagannath Chanda, Prasenjit Ghosh, Rabindra Mukhopapdhyay, Abhijit Bandyopadhyay   +8 more
doaj   +1 more source

The synthesis and characterisation of some aliphatic hyperbranched polyesters [PDF]

, 1996
The attempted syntheses of potential AB(_2) monomers for the production of hyperbranched polyesters has been described. The synthesis of poly(diethyl 3- hydroxyglutarate) has been reported and the characterisation of the products discussed fully. The use
Hamilton, Lesley M.
core   +6 more sources

Advances in Solution‐Processed Textile Triboelectric Nanogenerators: Ink Formation, Processing Strategies, Applications, and Challenges

Advanced Functional Materials, EarlyView.
Advanced ink systems for solution‐processed textile triboelectric nanogenerators are systematically summarized, spanning conductive, tribo‐negative, and tribo‐positive layers. By connecting ink chemistry, deposition methods, and device function, the present review reveals the key governing principles of solution development and highlights practical ...
Xinlong Sun, Stephen Beeby
wiley   +1 more source

Catalysis in the synthesis of hyperbranched polyesters [PDF]

, 2003
An AB2 monomer, dimethyl 5-(2-hydroxyethoxy)isophthalate was prepared on a scale of 3kg. It was successfully polymerised in the melt and the influence of reaction conditions and catalysts was studied.
Daout, Serguei
core  

Photo‐Degradable Polyester Networks and Multi‐Photon Printed Objects Based on Cyclic Ketene Acetals

Advanced Functional Materials, EarlyView.
The current work introduces a photoreversible polyester network derived from radical ring‐opening polymerization of cyclic ketene acetals. It combines photoreversible cross‐linking with initiator‐free multi‐photon printing. Reversible network formation, tunable mechanical properties, and selective degradation highlight its potential as a versatile ...
Till Meissner, Julian Fanelli, Vinh Xuan Truong, Rob Jones, Jens Gaitzsch, Christopher Barner‐Kowollik   +5 more
wiley   +1 more source

Smart Flexible Tactile Sensors: Recent Progress in Device Designs, Intelligent Algorithms, and Multidisciplinary Applications

Advanced Intelligent Discovery, EarlyView.
Flexible tactile sensors have considerable potential for broad application in healthcare monitoring, human–machine interfaces, and bioinspired robotics. This review explores recent progress in device design, performance optimization, and intelligent applications. It highlights how AI algorithms enhance environmental adaptability and perception accuracy
Siyuan Wang, Ming Dong, Rongrong Bao, Caofeng Pan   +3 more
wiley   +1 more source

Biobased Hyperbranched Polyesters as Effective Non‐Leachable UV Blockers for Sunscreens

Macromolecular Materials and Engineering
There is a strong societal demand for the development of effective and eco‐friendly UV blocking substances for sunscreen applications. In this work, three AB2‐type monomers with 0‐2 methoxy groups are synthesized using three corresponding lignin‐based ...
Sathiyaraj Subramaniyan, Xiaoya Li, Baozhong Zhang   +2 more
doaj   +1 more source