For example, if the GPC is known for in , in toluene can be run in a GPC and the molecular weight of polyethylene can be found according to the polystyrene calibration curve via the above equation.MarkHouwink equationPolymer Chemistry
The approximate molecular weight of all grades of synthesized PAM was calculated from intrinsic viscosity, [eta]], using the Mark-Houwink equation, [[eta]] = [KM.sup.[alpha]] . Synthesized PAM molecular weight also has been determined by intrinsic viscosity measurement with the help of Mark-...
Mark-Houwink equation 英文Mark-Houwink equation 中文【化】 马克-豪温克公式
Mark Houwink equation 马克-豪温克方程 Mark Houwink constant 马克-豪温克常数 Houwink's law 霍温克定律 Houwink's system 霍温克体系 on the mark 中肯的,恰当的 no mark 无标记 of mark 知名的, 杰出的 mark on 标上 mark in 加画(具体细节), 绘入 Houwink's three yield values 【化...
此式称为Mark—Houwink方程,它是高分子物理中最通用的方程之一"'. Mark—Houwiuk方程仅严格适用于单分散或窄分布的聚合物.'.对于多分散聚合 物,用粘均分子量代替来考虑多分散性. = :(2) 当多分散聚台物的[是单独的i-瘩妾节I棚i的重量平均时,即 ...
A new Mark-Houwink equation for fully-hydrolyzed poly(viny! alcohol) has been determined using aqueous size exclusion chromatography (SEC) with on-line, differential viscometry detection. The Mark-Houwink K and a constants have been measured at 35掳 C over a wide range of molecular weights in...
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Mark—Houwink determined equation M=KWereby M Permeation Keywords:Poly(amic-aeids);Gel Molecular Molecular Effect;Number-averageWeight;Weight-average Constants Weight;Mark-Houwink IV 聚酰胺酸分子量的GPC表征及Mark—Houwink方程参数的确定 硕士学位独创性声明 本人声明所呈交的学位论文是本人在导师指导下进行...