Measurement of adsorption layer thickness of water reducer by using XPS;
XPS测定减水剂吸附层厚度
The adsorption behavior of polydisperse polymers at solid-liquid interfaces was studied by the method of Monte Carlo simulations based on the lattice model, and effects of the polymer chain length in systems of both average and normal distributions on the adsorption layer thickness were evaluated.
在格子模型基础上用MonteCarlo方法模拟研究了多分散高分子在固液界面的吸附行为,重点考察了平均分布和正态分布两种不同链长分布形式的高分子在固液界面吸附层厚度的分布规律,模拟结果与概率统计模型计算的吸附层厚度分布趋势一致。
The adsorption properties of naphthyl sulfonate formaldehyde condensation(NNO) dispersant on the surface of hexaflumuron,such as adsorbed amounts,adsorption state,ζ potential,adsorption force,the adsorption layer thickness,were studied with remnants of concentration,ζ potential instrument,IR and XPS(X-photoelectron spectroscopy) at laboratory conditions.
采用残余质量浓度法、ζ电位仪、红外光谱(IR)和X射线光电子能谱(X-Photoelectron spectroscopy,XPS)系统地研究了萘磺酸甲醛缩合物(NNO)分散剂在氟铃脲颗粒表面的吸附量、吸附状态、ζ电位、吸附作用力、吸附层厚度等性能。
The micromechanism is determined by ESEM and the adsorption film thickness is determined by elliptical polarization,which the smooth surface of coal adsorbs the lignosulphonate and modified lignosulphonate.
采用环境扫描电镜和椭圆测厚仪分别测定了木质素磺酸钠(以下称木钠)及改性木钠在溶液中的微观结构和在光滑的煤表面的吸附膜厚度,从微观结构和吸附膜厚度两方面揭示了改性木钠制浆性能优于木钠的内在原因。
It is introduced briefly the modification way and result of lignosulphonate(LS) as coal-water slurry(CWS) additive and determination of the adsorption film thicknesses of the LS and modified lignosulphonate(MLS) on the smooth surface of coal and microscopic slide by the method of elliptical polarization.
简要介绍了木质素磺酸钠(简称木钠,LS)用作水煤浆添加剂的改性方法及结果,并采用椭圆偏振法测定了木钠及改性木钠(MLS)在光滑的煤表面和载波片表面的吸附膜厚度,定量地对比了添加剂在固体表面吸附的空间位阻作用的大小。
