Synthesis, identification and ring-opening polymerization of cyclic urethane urea oligomer
碩士 === 中興大學 === 化學工程學系所 === 95 === In this study, 2,2’-diisocyanate terminated TDI700 was obtained by reaction of 2,4-TDI and Mw.700 poly(oxypropylene) at a ratio of 2.2:1. GPC analysis showed us a good yield of low chain extended 2,2’-TDI700 around 76%. In the model compound study, chemical shifts...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2007
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| Online Access: | http://ndltd.ncl.edu.tw/handle/06271209612489054601 |