Ion and Water Dynamics in the Transition from Dry to Wet Conditions in Salt-Doped PEG [0.03%]
从干燥到湿润条件下的PEG盐掺杂中离子和水的动力学研究
Nico Marioni,Oscar Nordness,Zidan Zhang et al.
Nico Marioni et al.
The influence of the water content on ion and water transport mechanisms in polymer membranes under low to moderate hydration conditions remains poorly understood. In this study, we combine ion and water diffusivity (PFG-NMR) measurements w...
Cooperative Dynamics of Highly Entangled Linear Polymers within the Entanglement Tube [0.03%]
高度缠结的线性聚合物在缠结管内合作动力学研究
Margarita Kruteva,Jürgen Allgaier,Michael Monkenbusch et al.
Margarita Kruteva et al.
We present a quantitative comparison of the dynamic structure factors from unentangled and strongly entangled poly(butylene oxide) (PBO) melts. As expected, the low molecular weight PBO displays Rouse dynamics, however, with very significan...
Ion Conductivity in Salt-Doped Polymers: Combined Effects of Temperature and Salt Concentration [0.03%]
盐掺杂聚合物中的离子电导率：温度和盐浓度的综合作用
Alexandros J Tsamopoulos,Zhen-Gang Wang
Alexandros J Tsamopoulos
We construct a coarse-grained molecular dynamics model based on poly(ethylene oxide) and lithium bis(trifluoromethane)sulfonimide salt to examine the combined effects of temperature and salt concentration on the transport properties. Salt d...
Functional and Degradable Polyester- co-polyethers from CO2, Butadiene, and Epoxides [0.03%]
由二氧化碳、丁二烯和环氧化物合成的功能性和可降解聚酯-共-聚醚
Yajun Zhao,Xiaohui Zhang,Zhuang Li et al.
Yajun Zhao et al.
Carbon dioxide (CO2), as a renewable and nontoxic C1 feedstock, has been recognized as an ideal comonomer to prepare sustainable materials. In this regard, substantial focus has been dedicated to the ring-opening copolymerization of CO2 and...
Suppressive Photochromism and Promotive Mechanochromism of Rhodamine Mechanophore by the Strategy of Poly(methyl acrylate)/Polyurethane Interpenetrating Polymer Network [0.03%]
聚甲基丙烯酸酯/聚氨酯互穿聚合物网络对若丹明机械敏感基团的抑制光致变色和促进力致变色研究
Xin Cheng,Huan Hu,Lijuan Bu et al.
Xin Cheng et al.
As molecular design and the structure-property relationships of photochemical molecules established in the literature serve as a convenient reference for mechanophore exploration, many typical mechanophores suffer undesired responses to UV ...
Bidispersity Improves the Toughness and Impact Resistance of Star-Polymer Thin Films [0.03%]
双分散性提高了星形聚合物薄膜的韧性及抗冲击性能
Utku Gürel,Sinan Keten,Andrea Giuntoli
Utku Gürel
Branched polymer architectures are used to tune the mechanical properties of impact-resistant thin films through parameters, such as chain length and grafting density. While chain dispersity affects molecular properties, such as interpenetr...
Photocleavable Visible Light-Triggered Anthraquinone-Derived Water-Soluble Block Copolymer for Peroxynitrite Generation in Cancer Therapy [0.03%]
用于癌症治疗中过氧硝酸的生成的可光降解的可见光触发的由水溶性嵌段共聚物衍生的蒽醌
Soumya Paul,Shilpendu Ghosh,Tanmoy Maity et al.
Soumya Paul et al.
We report a facile stimuli-responsive strategy to generate reactive oxygen and nitrogen species (ROS and RNS) in the biological milieu from a photocleavable water-soluble block copolymer under visible light irradiation (427 nm, 2.25 mW/cm2)...
Ring Opening Metathesis Polymerization of Cyclooctadiene and Cyclooctene with Dihydrofuran: Influence of Ru Fischer Carbene [0.03%]
环辛二烯和环辛烯与二氢呋喃的开环易位聚合：Ru Fischer碳基的影响
Francesca A Starvaggi,Benjamin A Suslick,Yan Xia
Francesca A Starvaggi
Vinyl ethers are commonly used to deactivate Grubbs catalysts and terminate ring opening metathesis polymerization (ROMP) by forming Fischer carbene species with attenuated metathesis reactivity. However, we recently demonstrated that a cyc...
Amplifying Nanoparticle Reinforcement through Low Volume Topologically Controlled Chemical Coupling [0.03%]
通过低体积拓扑控制化学耦合放大纳米颗粒增强效果
Nihal Kanbargi,Joshua T Damron,Yawei Gao et al.
Nihal Kanbargi et al.
We present a streamlined method to covalently bond hydroxylated carbon nanotubes (CNOH) within a polyphenol matrix, all achieved through a direct, solvent-free process. Employing an extremely small concentration of CNOH (0.01% w/w) along wi...
Well-Defined Oligo(azobenzene- graft-mannose): Photostimuli Supramolecular Self-Assembly and Immune Effect Regulation [0.03%]
结构明确的偶氮苯移植物甘露糖:光刺激超分子自组装及免疫效应调节
Jiangping Guo,Shuyuan Wang,Zhihong Yu et al.
Jiangping Guo et al.
The immune system can recognize and respond to pathogens of various shapes. Synthetic materials that can change their shape have the potential to be used in vaccines and immune regulation. The ability of supramolecular assemblies to undergo...