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Citation: Pan Enli, Hu Jingyu, Zou Changyu, Hu Huizhen. STUDY ON THE TRITIUM NUMBER AVERAGE MOLECULAR WEIGHT OF POLYBUTADIENE PREPARED WITH THE LANTHANIDE-BASED CATALYSTS[J]. Chinese Journal of Applied Chemistry, ;1986, 3(2): 17-22. shu

STUDY ON THE TRITIUM NUMBER AVERAGE MOLECULAR WEIGHT OF POLYBUTADIENE PREPARED WITH THE LANTHANIDE-BASED CATALYSTS

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 28 August 1984
Available Online: 25 February 1985

The tritiated alcohol quench method was used for determining the tritium number average molecular weight [M_n]_T of polybutadiene prepared wtih lanthanide catalysts.The change in [M_n]_T Wtih conversion for different lanthanide catalysts was studied. It was found that for certain lanthanide catalytic systems the values of [M_n]_T of polybutadiene were approximately equal to those obtained by using osmometry technique. It was shown that the tritium end group analysis could be used for determining Mn of polybutadiene prepared with lanthanide catalysts.
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