Citation: Jian XU, Liang He SHI, Mei Ling YE, Jin Sheng WU, Qing LIU. Comparison of Two Methods in Determining the Composition Distribution of SBS Copolymers[J]. Chinese Chemical Letters, ;1998, 9(2): 173-175. shu

Comparison of Two Methods in Determining the Composition Distribution of SBS Copolymers

a Polymer Physics Laboratory, Institute of Chemistry, the Chinese Academy of Sciences, Beijing 100080;
b Research Institute, Yanshan Petrochemical Corporation, SINOPEC, Bejing 102500

Received Date: 9 September 1997

The comparison of the determination of chemical composition distributions of butadi-ene-styrene copolymers, obtained by the formula method and experimental method of GPC, is given in this paper. The relative error of average composition was shown to be less than 5%. The formula method was found to be a more convenient and time-saving approach in the characteriza-tion of the copolymer composition distribution.
- GPC,
- chemical composition distribution,
- butadiene-styrene copolymer
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