搜索结果: 1-6 共查到“理学 Laponite”相关记录6条 . 查询时间(0.173 秒)
通过溶剂交换法将无机Laponite从水相转移到N,N-二甲基乙酰胺(DMAC)中,在超声波作用下,Laponite与热塑性聚氨酯(TPU)溶液进行共混复合,Laponite插层到PU分子链间而制备Laponite/聚氨酯纳米复合材料.利用TEM,AFM,TGA,DSC,DMA和静态拉伸对其结构、组成、形貌和性能进行表征,研究结果表明,Laponite优先插层到聚氨酯的硬段中,片层和硬段通过氢键相...
Composite Hydrogel Beads Based on Chitosan and Laponite: Preparation, Swelling, and Drug Release Behaviour
chitosan Laponite composite drug release Ofloxacin
2011/12/14
Biopolymer/layered silicate composites have shown unique advantages and potentials for the passive targeting of drugs because they can overcome the burst drawbacks of organic carrier, increase the dru...
通过表面张力、Zeta电位和流变学参数的测定, 研究了聚氧乙烯烷基醚类非离子型表面活性剂(Brij 30和Brij 35)在合成锂皂石(Laponite)纳米颗粒表面的吸附及对Laponite水分散体系中颗粒间相互作用和体系粘度的影响. 结果表明, 这类表面活性剂能显著地吸附在Laponite颗粒表面上, 且吸附量随其分子中POE链长短而不同. 这种吸附没有改变Laponite粒子的带电性质, ...
Migration of Cations in Copper(II)-Exchanged Montmorillonite and Laponite upon Heating
CEC Measurements Cu-Laponite Cu-Montmorillonite EPR Hofmann-Klemen Effect IR XPS
2011/12/22
Abstract: Two clay minerals, a dioctahedral, Na-montmorillonite from Wyoming and a trioctahedral, synthetic Na-laponite, were exchanged by cupric (Cu(II)) ions and subsequently heated at 100 °C interv...
Visible Spectroscopy of Methylene Blue on Hectorite, Laponite B, and Barasym in Aqueous Suspension
Adsorption Barasym Hectorite Laponite Methylene blue Sepiolite Visible spectroscopy
2012/1/9
The absorption spectra of methylene blue ion exchanged on hectorite, Laponite B, Barasym, or sepiolite in dilute aqueous suspensions show the presence of the monomer, the protonated monomer, the dimer...
The Exchange of Alkylammonium Ions on Na-Laponite
Alkylammonium Exchange Equilibrium Isotherms Laponite
2012/2/10
The exchange of various alkylammonium cations from aqueous solution by sodium laponite has been studied. The affinity of the clay for these organic cations was linearly related to the molecular weight...