Maxime Dalne,Salvatore Costanzo,Katerina Peponaki et al.
Maxime Dalne et al.
In the present work, we investigate the nonlinear shear rheology of unentangled polymer melts. We use linear polystyrenes with molar mass of 10 kg/mol, 20 kg/mol, or 30 kg/mol. The measurements of shear and normal stress are performed using...
Rheological Isotope Effects for Molecular Insight in Covalent Adaptable Networks [0.03%]
用于共价适应网络分子洞察的流变同位素效应
Christina M Hemmingsen,Steven J Chapman,Chuting Deng et al.
Christina M Hemmingsen et al.
Understanding how small-molecule reactivity translates to bulk properties remains a fundamental challenge in polymer science. It is widely accepted that the viscoelastic behavior of covalent adaptable networks (CANs) is related to the kinet...
Polymer solutions under steady solvent flow between two semipermeable interfaces [0.03%]
两半渗透界面间稳定溶剂流下的聚合物溶液
Brian Chan,Michael Rubinstein
Brian Chan
Pressure differentials across polymer solutions cause fluid flow. We develop a theory for the spatial variation of polymer concentration in solutions under steady flow between two interfaces permeable to the solvent but not to the polymer. ...
Polymer Microstructure Directs the Solvent-Selective Swelling Response of Polymer Brushes [0.03%]
聚合物微结构决定了聚合物刷的溶剂选择性溶胀响应
Adam P Humpal,Alexander Dhupar,Ram Prasad Sekar et al.
Adam P Humpal et al.
To exploit polymer brushes' solvent-responsive properties for applications in nanoparticle transport and sensing, we must elucidate how polymer composition and polymer microstructure shape brush swelling in varied solvent environments. We c...
Low-Viscosity, Dynamic Amidoamine Hardeners with Tunable Curing Kinetics for Epoxy Adhesives [0.03%]
低黏度、可调固化动力学的动态胺硬化剂用于环氧胶粘剂
Jonas Debuyck,Bram Daelman,Giulia Scurani et al.
Jonas Debuyck et al.
To address the irreversible cross-linking of amidoamine (AA) hardeners, dynamic alternatives have been developed, but high viscosities and nontunable curing kinetics limit practical applications. We present a novel strategy to reduce the vi...
Understanding Non-isothermal Crystallization Behaviors of Polyethylene-Derived Vitrimers [0.03%]
聚乙烯衍生型粘性材料的非等温结晶行为研究
Sara Valdez,Zhe Qiang
Sara Valdez
The transformation of polyolefins, including polyethylene (PE), into dynamic networks has become a promising research area in polymer sustainability due to their high availability, low cost, and desirable properties. Within these semicrysta...
Thermogels Based on Block versus Gradient Terpolymers: Differences in the Nano- and Macro-Scale [0.03%]
基于嵌段和梯度三元共聚物的热致凝胶:纳米和微米尺度上的区别
Anna P Constantinou,Feifei Zheng,Lezhi Wang et al.
Anna P Constantinou et al.
In the present study, the effect of the distribution of repeated units in copolymers based on oligo-(ethylene glycol) methyl ether methacrylate (A), n-butyl methacrylate (B), and di-(ethylene glycol) methyl ether methacrylate (C) is reporte...
Crystallization Mechanisms of Poly(vinylidene Fluoride- co-chlorotrifluoroethylene): Nucleation Transitions, Growth Kinetics, and Microstructure Evolution [0.03%]
聚偏二氟乙烯-六氟丙烯的结晶机制:成核转变,生长动力学和微结构演变
Christine A Orme,En Ju Cho,Xiaojie Xu et al.
Christine A Orme et al.
The crystallization kinetics of FK-800, a commercial semicrystalline copolymer of chlorotrifluoroethylene and vinylidene fluoride (poly-(CTFE-co-VDF)), dictate its microstructure and functional performance. Crystallization occurs between th...
Polyethylene-like Polyesters: Strategies for Tailoring Mechanical Properties and Adhesion Performance [0.03%]
聚乙烯类似聚酯:调节力学性能和附着力表现的策略
Weronika Nowicka,Artur Rozanski,Farhan Ahmad Pasha et al.
Weronika Nowicka et al.
Polycondensation of hydrogenated α,ω-dihydroxy polybutadiene soft blocks, hydrogenated α,ω-dihydroxy poly-(cis-cyclooctene) hard blocks, and succinic anhydride was utilized to synthesize high-density polyethylene-like (HDPE-like) and ol...
Kinetic Model of Radical Ring-Opening Polymerization of Asymmetric Five-Membered Cyclic Ketene Acetals [0.03%]
不对称五元环状酮烯醇缩合物自由基开环聚合的动理论模型研究
Shin-Nosuke Nishimura,Marina Uryu,Tomoyuki Koga
Shin-Nosuke Nishimura
Radical ring-opening polymerization RROP of cyclic ketene acetals (CKAs) provides a promising route to biodegradable polyesters. However, the mechanistic factors determining polymer structure are still not well understood, especially for CK...