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Citation: Hu Huizhen, Cheng Rongshi. THE MONODISPERSE MARK-HOUWINK EQUATION OF CIS-POLYBUTADIENE POLYMERIZED WTIH LANTHANIDE CATALYSTS[J]. Chinese Journal of Applied Chemistry, ;1986, 3(4): 51-53. shu

THE MONODISPERSE MARK-HOUWINK EQUATION OF CIS-POLYBUTADIENE POLYMERIZED WTIH LANTHANIDE CATALYSTS

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 22 August 1985
Available Online: 28 December 1985

The intrinsic viscosity, number average molecular weight and molecular weight distribution of a number of polydisperse cis-polybutadiene samples polymerized with lanthanide catalyst were determined by viscosimetry, osmometry and size exclusion chromatography.The procedures of the data treatment for the calibration of the SEC column,correction for axial dispersion and iterative calculation of the viscosity average molecular weights were given. The monodisperse Mark-Houwink equation of Ln-PB was obtained by linear regression between the experimental intrinsic viscosity and the calculated viscosity average molecular weight of the polydisperse samples.
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