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Acta Chimica Sinica ›› 1955, Vol. 21 ›› Issue (4): 357-365. Previous Articles     Next Articles

丁苯橡膠的分子量分布测定

钱人元, 贺智端, 程鎔时   

  1. 中国科学院应用化学研究所
  • 投稿日期:1955-06-25 发布日期:2013-06-04

THE DETERMINATION OF MOLECULAR WEIGHT DISTRIBUTION OF BUTADIENE-STYRENE COPOLYMER

CHIEN JEN-YUAN, HO TSUE-TUAN, CHENG YUNG-SHIH   

  1. Institute of Applied Chemistry, Academia Sinica
  • Received:1955-06-25 Published:2013-06-04

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A sample of butadiene-styrene copolymer obtained from emulsion polymerization at 50℃ with 80% conversion has been doubly fractionated into fractions by adding successive amounts of methanol at 25℃ into a 1% solution of the polymer in rbenzene.