1.Using combined laser scattering-viscometer-GPC determined the Mark-Houwink equation parameters of the Butadiene-Styrene diblock copolymer and the styrene-butadiene-styrene tri-block copolymer.采用光散射-粘度-示差多检测凝胶渗透色谱(GPC)测定了自行合成的丁二烯-苯乙烯两嵌段共聚物以及苯乙烯-丁二烯-苯乙烯三...
The parameters K, α ofMark-Houwink equationfor PS were obtained at 150 ℃ in 1,2,4-trichlorobenzene solvent. 采用示差折光指数检测器/毛细管粘度检测器(RI/VI)双检测联用技术测定了窄分布的不同分子量大小的聚苯乙烯,得到了聚苯乙烯在150℃吋,以1,2,4-三氯苯为溶剂的Mark-Houwink方程的参数K、α值...
The intrinsic viscosity measurements used to calculate the Mark-Houwink (M-H) parameters are generally performed for different molecular weights at a constant temperature, with the standard value of this temperature being 25掳C, or else 37掳C in the case of mammalian proteins, or else under thet...
Mark–Houwink parametersmolecular weightThis article demonstrates the applicability of the algorithm of grid search to the determinationof Mark-Houwink (MH) parameters. In the existing methods, the determinaiton of MH parameters involves hte use of linear of nonlinear regression. In the cases of ...
Determination of Mark-Houwink parameters for poly(N-vinylformamide) High-velocity sedimentation, translational isothermal diffusion, and viscometry in H2O and DMF are used to investigate the samples and fractions of poly(N-methyl-N-vinylacetamide) synthesized by free-radical polymerization and fraction...
These parameters are used to construct a Mark – Houwink plot from which a range of structural information can be deduced. malvern.com 此类参数可用于构建Mark-Houwink曲线 ,由此可推断出一系列结构信息。 malvern.com.cn[...] dispersion coefficient of monodisperse or broad standards, to Mark-...
Knowing the Mark–Houwink parameters and the molecular weight of one of the polymers allows one to find the molecular weight of the other polymer using a G... MH Equation - 《Polymer Chemistry》 被引量: 0发表: 0年 GPC-粘度计联用装置中特性粘数加宽改正的经验方法 本文提出了从未知样品的特性...
Abstract K va ue is ne f the parameters f the Mark-H uwink e uati n. In princip e,the understanding f the meaning f this parameter is n t n y f benefit t the app icati n f the e uati n,but may a s pr vide p ssibi ity f r earning the p ymer-s vent interacti ns....
relatestheintrinsicviscosityofap0Iyaisp~'sepolwithM一,M一and.Itsparametersareinde- pendentofthemolecularweightdistributionThevalidityofthisequationhadbeenprovedbytestingit foralargenumberofcaseswithcontinuousanddlscomhiuousmolecaJlarWeightdistributiom.
A Finite Element Method of 5-parameters Quadrilateral for the Stationary Stokes Equations; 定常Stokes方程的五参数四边形有限元法 17. The method of solving the second order linear differential equations with the parameter"λ; 含参数λ的二阶线性微分方程的解法 18. The optimal identification of param...