cis-/ trans-Specific Synthesis of Functionalized Bottlebrush Ring Opening Metathesis Polymerization Polymers Containing Terthiophene and Pyrene That Exhibit Unique Thermal and Emission Properties [0.03%]
含有三噻吩和芘且具有独特热和发光性能的具有功能化瓶刷环辛烯聚合物的cis-/trans-选择性合成
Kanticha Jaiyen,Sirilak Mekcham,Daisuke Shimoyama et al.
Kanticha Jaiyen et al.
Z-Specific (99% cis) and E-specific (90% trans) syntheses of functionalized bottlebrush polymers (BBPs) by living ring opening metathesis polymerization (ROMP) of exo-N-substituted norbornene-2,3-dicarboximides (NDIs) containing terthiophen...
Topological Transition in One-Dimensional π-Conjugated Polymers via Strain Engineering [0.03%]
通过应变工程实现一维π共轭聚合物的拓扑相变
Yifan Li,Kai Zhang,Haifeng Lv et al.
Yifan Li et al.
Topological trivial and nontrivial phases can be readily realized in low-dimensional organic polymers via bottom-up synthesis. However, to effectively harness these topological phases in practical devices, it is crucial to develop strategie...
One-Step Soaking Approach for the Development of High-Strength, Tough Silicone Hydrogels with Elevated Polysiloxane Content [0.03%]
一步浸泡法制备高强度、坚韧且含有大量聚硅氧烷的硅水凝胶
Hao Zhang,Fanghao Wang,Yunqian Ma et al.
Hao Zhang et al.
Silicone hydrogels (SiHys) present a variety of promising applications. However, their intrinsic mechanical limitations and low silicone content often restrict their practical use. In this study, we propose a simple and versatile one-step s...
Tuning Room-Temperature Injectability of Gelatin-Based Hydrogels via Introduction of Competitive Hydrogen Bonds [0.03%]
通过引入竞争性氢键来调节基于明胶的水凝胶的室温注射能力
Donglin Xie,Jiang Bian,Chao Ni et al.
Donglin Xie et al.
As a natural biomaterial with a superior comprehensive performance, gelatin has been widely explored in various biomedical and bioengineering applications. However, the ease of solidification of gelatin solutions at room temperature causes ...
Synthesis of Star Polymers with Ultrahigh Molecular Weights and Tunable Dispersities via Photoiniferter Polymerization [0.03%]
通过光引发剂聚合合成超高分子量且分子量可调的星形聚合物
Meng Zhang,Steven P Armes,Zesheng An
Meng Zhang
Simultaneous control over macromolecular chain topology, molecular weight, and dispersity is an important synthetic goal in polymer chemistry. The synthesis of well-defined poly(methyl acrylate) star polymers with ultrahigh molecular weight...
Strengthening the Self-Assembly of Supramolecular Polymeric Nanotubes in Water via the Introduction of Hydrophobic Moieties [0.03%]
通过引入疏水部分增强水中超分子聚合物纳米管的自组装
Zihe Cheng,Stephen C L Hall,Qiao Song et al.
Zihe Cheng et al.
Supramolecular polymeric nanotubes based on the self-assembling cyclic peptide-polymer conjugates are a promising class of materials, showing great potential in various biological applications. Herein, we present a novel strategy to promote...
Shiwei Sun,Kai Zhang,Sai Xu et al.
Shiwei Sun et al.
Understanding the dynamics of nanosheets in polymer matrices is crucial for the processing of polymer nanocomposites and their applications in drug delivery. In this work, we investigate the diffusion of thin nanosheets in unentangled polym...
A Thienothiophene-Based Olefin-Linked Covalent Organic Framework for the Metal-Free Photocatalytic Oxidative Coupling of Amines [0.03%]
基于噻吩并噻吩的烯烃连接共价有机框架实现无金属光催化胺氧化偶联反应
Bertha Lotsi,Aadarsh Sharma,Jared G Doremus et al.
Bertha Lotsi et al.
The oxidative coupling of amines is a useful way to prepare many diverse compounds for the pharmaceutical and chemical industries. Covalent organic frameworks (COFs), a crystalline class of porous polymers, have emerged as promising heterog...
Helical Poly(quioxaline-2,3-diyl)-Based Poly(carboxylic acid)s as a Chiroptical Chemosensor for Detection and Quantification of Small Enantiomeric Imbalances of Chiral Amines in Water [0.03%]
基于手性螺旋聚(喹唑啉-2,3-二基)类聚(羧酸)对水中微量手性胺光学纯度的检测与量化化学传感器研究
Tomonori Yamawaki,Takuma Kuroda,Takeshi Yamamoto et al.
Tomonori Yamawaki et al.
Achiral dynamic helical polymers, poly(quinoxaline-2,3-diyl)s (P1 and P2) bearing achiral carboxylic acid side chains, i.e., carboxymethoxymethyl (in P1) and carboxyethoxymethyl (in P2), with different polymerization degrees were synthesize...
Pure Organic Thermally Activated Delayed Fluorescence Afterglow Polymers via Dopant Isomerization [0.03%]
通过掺杂物异构化获得纯有机热激活延迟荧光余辉聚合物
Guanyu Liu,Zixin Yan,Qi Song et al.
Guanyu Liu et al.
N-(o-Cyanophenyl)carbazole can be dimerized at different positions, which may change excited state behaviors. Herein, 2,3'-dicyano-3,4'-di(carbazol-9-yl)biphenyl (D34C) is designed and synthesized and doped into polymers. However, we find t...