Introducing the Reversible Reaction of CO2 with Diamines into Nonisocyanate Polyurethane Synthesis [0.03%]
引入CO2与二胺的可逆反应到非异氰酸酯聚氨酯合成中
Sibo Xie,Yunqi Li,Yang Chai et al.
Sibo Xie et al.
Nonisocyanate polyurethanes (NIPUs) are considered greener alternatives to traditional polyurethanes, and the preparation of NIPUs considerably depends on the design and synthesis of suitable monomers. Herein, we propose a toolbox for in si...
High-Density Packing of Spherical Microdomains from A(AB3)3 Dendron-like Miktoarm Star Copolymer [0.03%]
A(AB3)3梳状星型嵌段共聚物微区的高密度堆积
Dokyung Woo,Hyeongkeon Yoon,Luyang Li et al.
Dokyung Woo et al.
An A(AB3)3 dendron-like miktoarm star copolymer consisting of polystyrene (PS, A) and poly(2-vinylpyridine) (P2VP, B) was synthesized using a series of anionic polymerization, atom-transfer radical polymerization (ATRP), and click reaction....
The Importance of Bulk Viscoelastic Properties in "Self-Healing" of Acrylate-Based Copolymer Materials [0.03%]
丙烯酸基共聚物材料“自修复”过程中黏弹性性质的作用机制研究
Yuqi Zhao,Hanshu Wu,Rongguan Yin et al.
Yuqi Zhao et al.
"Self-healing" has emerged as a concept to increase the functional stability and durability of polymer materials in applications and thus to benefit the sustainability of polymer-based technologies. Recently, van der Waals (vdW)-driven "sel...
Lise Morlet-Decarnin,Thibaut Divoux,Sébastien Manneville
Lise Morlet-Decarnin
We use time-resolved mechanical spectroscopy to offer a detailed picture of the gelation dynamics of cellulose nanocrystal (CNC) suspensions following shear cessation in the presence of salt. CNCs are charged, rodlike colloids that self-ass...
Surface-Immobilized Interpolyelectrolyte Complexes Formed by Polyelectrolyte Brushes [0.03%]
固着在固体表面的聚电解质复合物及其刷子结构
Artem M Rumyantsev,Ekaterina B Zhulina,Oleg V Borisov
Artem M Rumyantsev
A scaling theory of interaction and complex formation between planar polyelectrolyte (PE) brush and oppositely charged mobile linear PEs is developed. Counterion release is found to be the main driving force for the complexation. An interpo...
Synthesis of PEDOT:PSS Brushes Grafted from Gold Using ATRP for Increased Electrochemical and Mechanical Stability [0.03%]
利用ATRP法在金表面接枝PEDOT:PSS刷状层以提高电化学和机械稳定性
Jason X Tuermer-Lee,Allison Lim,Louis Ah et al.
Jason X Tuermer-Lee et al.
We report PEDOT:PSS brushes grafted from gold using surface-initiated atom-transfer radical polymerization (SI-ATRP) which demonstrate significantly enhanced mechanical stability against sonication and electrochemical cycling compared to sp...
Marriage of Organic and Grubbs Catalysts for Tandem Synthesis of Bottlebrush Polyesters [0.03%]
有机小分子和Grubb催化剂联用实现有序结构瓶刷状聚酯的合成
Yuan Huang,Chenke Zhao,Boru Zhang et al.
Yuan Huang et al.
Bottlebrush polymers (BBPs) have gained wide attention for their special characters, such as rigid main/side chains, stemming from the exceedingly high graft density. This study aims to provide a simple synthetic approach to BBPs with polye...
Mechanically Robust Cellulose-Based Piezoelectric Elastomer Formed by Slidable Polyrotaxane Cross-Linker [0.03%]
由可滑动轮烷交联剂形成的机械鲁棒型纤维素基压电弹性体
Bitgaram Kim,Moonseok Jang,Sohyun Heo et al.
Bitgaram Kim et al.
Cellulose has great potential in the field of piezoelectricity owing to its high crystallinity; however, it exhibits low processability and poor mechanical robustness. In this study, to enhance the applicability of cellulose-based piezoelec...
Digital Laser Direct Writing of Internal Stress in Shape Memory Polymer for Anticounterfeiting and 4D Printing [0.03%]
用于防伪和4D打印的形状记忆聚合物内部应力的数字激光直接书写技术
Wenjun Peng,Hongfeng Mu,Xin Liang et al.
Wenjun Peng et al.
Shape memory polymers (SMPs) are a type of smart shape-shifting material that can respond to various stimuli. Their shape recovery pathway is determined by the internal stress stored in the temporary shapes. Thus, manipulating the internal ...
Xia Lin,Qianxi Gu,Jiajia Li et al.
Xia Lin et al.
Here, we present a facile and robust method for living cationic polymerization using zinc wire as a catalyst precursor. Well-defined poly(vinyl ether)s with various molecular weights and narrow molecular weight distributions (Đ < 1.10) can...