Rigid Oligomer from Lignin in Designing of Tough, Self-Healing Elastomers [0.03%]
木质素rigid oligomer在设计坚韧和自修复橡胶中的作用
Mengmeng Cui,Ngoc A Nguyen,Peter V Bonnesen et al.
Mengmeng Cui et al.
Converting lignin into well-defined compounds is often challenged by structural complexation and inorganic contamination induced by the pulping process. In this report, instead of breaking down lignin into small molecules, we extracted a un...
Xiaojuan Hou,Song Guan,Ting Qu et al.
Xiaojuan Hou et al.
Block copolymers containing azobenzene liquid crystalline (LC) mesogen are used to prepare snowman-like Janus nanoparticles (NPs) by emulsion solvent evaporation. The azobenzene-containing poly(methacrylate) (PMAAz) head of the Janus NPs is...
Dynamics of a Supercooled Disordered Sphere-Forming Diblock Copolymer as Determined by X-ray Photon Correlation and Dynamic Mechanical Spectroscopies [0.03%]
由X射线光子相关散射和动态力学谱学确定的过冷球状相嵌段共聚物的亚稳动力学行为研究
Ronald M Lewis rd,Haley K Beech,Grayson L Jackson et al.
Ronald M Lewis rd et al.
We report the dynamic behavior of a sphere-forming poly(styrene)-block-poly(1,4-butadiene) (PS-PB) diblock copolymer comprising 20 vol % PB below the order-disorder transition temperature (TODT = 153 °C) using dynamic mechanical spectrosco...
Stefano Iubini,Enzo Orlandini,Davide Michieletto et al.
Stefano Iubini et al.
We present a novel mechanism for resolving the mechanical rigidity of nanoscopic circular polymers that flow in a complex environment. The emergence of a regime of negative differential mobility induced by topological interactions between t...
A Polymerizable Photoswitchable Fluorophore for Super-Resolution Imaging of Polymer Self-Assembly and Dynamics [0.03%]
用于聚合物自组装和动态超分辨率成像的可光交联光切换荧光团
Zhe Qiang,Kevin M Shebek,Masahiro Irie et al.
Zhe Qiang et al.
Single-molecule super-resolution microscopy has become a standard imaging tool in the life sciences for visualizing nanostructures in situ, but the application of this technique in polymer science is much less explored. A key bottleneck is ...
Hydrothermal Synthesis of Composition- and Morphology-Tunable Polyimide-Based Microparticles [0.03%]
组成和形态可调的聚酰亚胺基微球的水热合成
Taehyung Kim,Byeongho Park,Kyung Min Lee et al.
Taehyung Kim et al.
Polyimide is one of the most important high-performance polymers, which is widely used due to its excellent mechanical performance and thermal stability. Unlike the conventional synthetic approach, hydrothermal polymerization enables the sy...
Alignment of Nanoplates in Lamellar Diblock Copolymer Domains and the Effect of Particle Volume Fraction on Phase Behavior [0.03%]
纳米平板在层状二嵌段共聚物域中的取向及其体积分数对相行为的影响
Nadia M Krook,Jamie Ford,Manuel Maréchal et al.
Nadia M Krook et al.
Polymer nanocomposites (PNCs) that employ diblock copolymers (BCPs) to organize and align anisotropic nanoparticles (NPs) have the potential to facilitate self-assembling hierarchical structures. However, limited studies have been completed...
Sequence-Selective Terpolymerization from Monomer Mixtures Using a Simple Organocatalyst [0.03%]
仅用简单有机催化剂即可从单体混合物进行序列选择性三元共聚反应
Heng Li,Huitong Luo,Junpeng Zhao et al.
Heng Li et al.
One-step synthesis of block copolymer from mixed monomers is of great interest and challenge. Using a simple non-nucleophilic organobase as the catalyst, we have achieved sequence-selective terpolymerization from a mixture of phthalic anhyd...
Isoselective Ring-Opening Polymerization of rac-Lactide from Chiral Takemoto's Organocatalysts: Elucidation of Stereocontrol [0.03%]
以手性Takemoto有机催化剂开环聚全乳酸立体选择性机理研究
Beste Orhan,Mathieu J-L Tschan,Anne-Laure Wirotius et al.
Beste Orhan et al.
Despite significant advances in organocatalysis, stereoselective polymerization reactions utilizing chiral organocatalysts have received very little attention, and much about the underlying mechanisms remains unknown. Here, we report that b...
Surface Density Variation within Cyclic Polymer Brushes Reveals Topology Effects on Their Nanotribological and Biopassive Properties [0.03%]
环状拓扑结构对聚合物纳米摩擦和生物相容性影响的毛刷模型实验研究
Mohammad Divandari,Lucca Trachsel,Wenqing Yan et al.
Mohammad Divandari et al.
While topology effects by cyclic polymers in solution and melts are well-known, their translation into the interfacial properties of polymer "brushes" provides new opportunities to impart enhanced surface lubricity and biopassivity to inorg...