Effect of cellulose nanocrystals on crystallization kinetics of polycaprolactone as probed by Rheo-Raman [0.03%]
采用Rheo-Raman技术研究纤维素纳米晶对聚己内酯结晶动力学的影响
Debjani Roy,Anthony P Kotula,Bharath Natarajan et al.
Debjani Roy et al.
The development of biocompatible polymer nano-composites that enhance mechanical properties while maintaining thermoplastic processability is a longstanding goal in sustainable materials. When the matrix is semi-crystalline, the nanoparticl...
Implementation of two distinct wavelengths to induce multistage polymerization in shape memory materials and nanoimprint lithography [0.03%]
两种波长光触发形状记忆材料多级聚合及纳米压印技术研发与应用研究项目
Xinpeng Zhang,Lewis Cox,Zhibin Wen et al.
Xinpeng Zhang et al.
Here, a process is introduced for forming dual stage thiol-Michael/acrylate hybrid networks photocured by two different wavelengths, demonstrating its use in nanoimprint lithography (NIL) and shape memory materials. Initiated with a visible...
Effect of processing conditions on crystallization kinetics during materials extrusion additive manufacturing [0.03%]
材料挤出增材制造过程中加工工艺参数对结晶动力学的影响研究
Lily A Northcutt,Sara V Orski,Kalman B Migler et al.
Lily A Northcutt et al.
Material extrusion additive manufacturing processes force molten polymer through a printer nozzle at high (> 100 s-1) wall shear rates prior to cooling and crystallization. These high shear rates can lead to flow-induced crystallization in ...
In depth examination of impact of secondary reactive species on the apparent decoupling of poly(ethylene glycol) diacrylate hydrogel average mesh size and modulus [0.03%]
聚乙二醇二丙烯酸酯水凝胶平均网孔大小和模量表观解耦的二次反应物种影响的深入探讨
Dany J Munoz-Pinto,Satyavrata Samavedi,Bagrat Grigoryan et al.
Dany J Munoz-Pinto et al.
Poly(ethylene glycol) diacrylate (PEGDA) hydrogels are widely used in biotechnology due to their in situ crosslinking capacity and tunable physical properties. However, as with all single component hydrogels, the modulus of PEGDA networks c...
Removal of Retained Electrospinning Solvent Prolongs Drug Release from Electrospun PLLA Fibers [0.03%]
去除静电纺丝溶剂可延长聚乳酸纤维中药物的释放时间
Anthony R DAmato,Nicholas J Schaub,Jesus M Cardenas et al.
Anthony R DAmato et al.
A major challenge in developing drug-releasing electrospun nanofibers is obtaining long-term drug release over many weeks with no burst release of drug. Here, we present new methods capable of prolonging the diffusive release of small molec...
Single Electrospun PLLA and PCL Polymer Nanofibers: Increased Molecular Orientation with Decreased Fiber Diameter [0.03%]
单分散的PLLA和PCL纳米纤维:纤维直径越小取向度越高
Jinglin Liu,David Y Lin,Bin Wei et al.
Jinglin Liu et al.
Electrospinning has become a widely-used method for fabricating polymer nanofibers for various applications including filtration, drug delivery, and tissue engineering. Due to the high extensional forces during the electrospinning process, ...
Zoran S Petrović,Jelena Milić,Fan Zhang et al.
Zoran S Petrović et al.
Novel fast response shape-memory polyurethanes were prepared from bio-based polyols, diphenyl methane diisocyanate and butane diol for the first time. The bio-based polyester polyols were synthesized from 9-hydroxynonanoic acid, a product o...
Determining conformational order and crystallinity in polycaprolactone via Raman spectroscopy [0.03%]
利用拉曼光谱确定聚己内酯的构象有序性和结晶度
Anthony P Kotula,Chad R Snyder,Kalman B Migler
Anthony P Kotula
Raman spectroscopy is a popular method for non-invasive analysis of biomaterials containing polycaprolactone in applications such as tissue engineering and drug delivery. However there remain fundamental challenges in interpretation of such...
Role of Mechanical Factors in Applications of Stimuli-Responsive Polymer Gels - Status and Prospects [0.03%]
响应刺激的聚合物水凝胶中机械因子的作用:现状与前景展望
Alexander V Goponenko,Yuris A Dzenis
Alexander V Goponenko
Due to their unique characteristics such as multifold change of volume in response to minute change in the environment, resemblance of soft biological tissues, ability to operate in wet environments, and chemical tailorability, stimuli resp...
Surface immobilization of thermo-responsive poly(N-isopropylacrylamide) by simple entrapment in a 3-aminopropyltriethoxysilane network [0.03%]
通过3-(2-氨乙基)氨基丙基三乙氧基硅烷网络简单包封法固定热响应性聚( N -异丙基丙烯酰胺)分子刷层
Abdullah Alghunaim,Eric T Brink,Bi-Min Zhang Newby
Abdullah Alghunaim
In a previous study, we demonstrated the feasibility of retaining poly(N-isopropylacrylamide) (pNIPAAm) on hydroxylated surfaces by spin-coating a blend of pNIPAAm with a small amount of 3-aminopropyltriethoxysilane (APTES), an organosilane...