한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)
- 제17권2호
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- Pages.76-82
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- 2000
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- 1225-9098(pISSN)
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- 2288-1069(eISSN)
DOI QR Code
Solution Viscosity and Relative Reactivity of Branched and Linear Polycarbonates
- Kim, Sang-Pil (Sam Yang Group Research Center) ;
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Lee, Bong-Hee
(Department of Chemical Engineering, Chungbuk National University) ;
- Kim, Sang-Hern (Department of Chemical Technology, Taejon National University of Technology) ;
- Kim, Whan-Gi (Department of Applied Chemistry, College of Natural Science, Kon-Kuk University)
- 발행 : 2000.06.30
초록
The relative reactivities of branched and linear polycarbonates were investigated by measuring unreacted chloroformate concentration. It was found that the polymerization for the branched polymer proceeded ca. 10 times faster than that for the linear polymers. The effect of catalyst on a condensation step was studied by changing the amount of TEA (triethylamine) at
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