Results 51 to 60 of about 52,688 (156)
Fundamental Study of PEO-PPO-PEO Block Copolymers in Biomedical Fields
, 2012 聚氧乙烯–聚氧丙烯–聚氧乙烯（PEO–PPO–PEO）嵌段共聚物是一系列由不同的PPO/PEO嵌段比和分子量组成的水溶性非离子型表面活性剂。由于其良好的温度响应性和生物兼容性，PEO–PPO–PEO嵌段共聚物在疏水性药物增溶和控释、基因治疗等领域有着重要的应用。其作为药物载体应用的主要形式是利用形成的胶团结构对疏水性药物分子进行增溶、负载和控释，因此，深入研究嵌段共聚物在水溶液中的聚集行为、与不同类型分子之间的相互作用机理对其研究和实际应用具有重要意义。本论文主要利用傅立叶变换红外（FTIR ...
贾连伟
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Фізика і хімія твердого тілаIn this work, polymer nanocomposites films of (PEO-MnO2-SrTiO3) were manufactured using the casting method, where varying percentages of nanoparticles (MnO2-SrTiO3) were mixed at concentrations of 1.7%, 3.4%, and 5.1%, respectively. The morphological and
M.H. Abbas, Saif H. Hameed, Ahmed Hashim
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Self-Lubricating PEO–PTFE Composite Coating on Titanium
Metals, 2019 A self-lubricating plasma electrolytic oxidation⁻polytetrafluoroethylene (PEO⁻PTFE) composite coating was successfully fabricated on the surface of commercially pure titanium by a multiple-step method of plasma electrolytic oxidation, dipping
Limei Ren +4 more
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Fundamental Research of Aggregation Behavior of PEO-PPO-PEO Copolymers in Aqueous Solutions
, 2008 聚氧乙烯–聚氧丙烯–聚氧乙烯（PEO–PPO–PEO）嵌段共聚物作为高分子非离子表面活性剂，可以应用在药物增溶和缓释、废水处理、介孔材料制备和生物大分子分离等诸多领域，已经成为表面活性剂研究的热点之一。本论文主要研究PEO–PPO–PEO嵌段共聚物在水溶液中的聚集行为。 应用傅立叶变换红外光谱原位观测亲水型PEO-PPO-PEO嵌段共聚物在水溶液和重水溶液中聚集行为及无机盐对其聚集行为的影响。PEO-PPO-PEO嵌段共聚物在D2O溶液中的C–O–C伸缩振动峰的频率略微高于其在H2O溶液 ...
梁向峰
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, 2008 Ceramic coatings are produced on aluminum alloy by autocontrol AC pulse Plasma Electrolytic Oxidation (PEO) with stabilized average current. Transient signal gathering system is used to study the current, voltage, and the transient wave during the PEO ...
李光 +3 more
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PEO-PPO-PEO triblok kopolimeri
, 2005 PEO-PPO-PEO copolymers are symmetric nonionic amphiphilic triblock copolymers with poly (ethylene oxyde), PEO, as the hydrophilic end blocks and poly (propylene oxyde), PPO, as the hydrophobic middle block: PEO-PPO-PEO copolymers are commercially ...
Pepić, Ivan
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Raamprogramma 1984-1988 Nationaal onderzoeksprogramma hergebruik van afvalstoffen
, 2012 niet beschikbaarAbstract not ...
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Gold Nanoparticles Synthesis Using PEO-PPO-PEO Block Copolymer
, 2011 聚氧乙烯–聚氧丙烯–聚氧乙烯(PEO-PPO-PEO)嵌段共聚物（商品名Pluronic）在水溶液中可以自组装形成形貌和性质丰富的介观结构，具有生物相容、结构可控和温度敏感等优点，是制备纳米材料的理想元件。PEO-PPO-PEO嵌段共聚物用于贵金属纳米颗粒的合成，可以同时作为金属离子的还原剂、金属颗粒的稳定剂，实现了高稳定性的纳米颗粒的一步合成，合成步骤简单、经济且环境友好，具有很好的应用前景。论文结合各种光谱技术（紫外-可见光谱、红外光谱、拉曼光谱）和透射电子显微镜、暗场光学显微镜等形貌观察手段 ...
寿庆辉
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, 2021 Using the method of dissipative particle dynamics (DPD) simulations, we investigated the interfacial properties of PEO/PEO-PPO-PEO/PPO ternary blends composed of the Pluronics L64(EO13PO30EO13), F68(EO76PO29EO76), F88(EO104PO39EO104), or F127 ...
Xiaozheng Duan +6 more
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