科研之友
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摘要
L-PS was prepared by free-radical polymerization in emulsion with SDS liquid-crystal template. Based on differential scanning calorimetry (DSC), L-PS was found to be different with known PS. As atactic polymer, L-PS displayed one exothermic peak near 150 degrees C during the first DSC scan, and the enthalpy of the exothermic peak is large. This is perhaps the first report that atactic polystyrene display this result. From quench process, we found L-PS can form ordered structure under especial temperature. These results could be attributed to novel molecular chain of L-PS.
- 出版日期2008
- 单位北京化工大学
