caa a22 4500 465787371 CHVBK 20180323112013.0 cr unu---uuuuu 170327e19901101xx s 000 0 eng 10.1007/BF00395572 doi (NATIONALLICENCE)springer-10.1007/BF00395572 Copolymerization of tetrahydrofuran and propylene oxide [Elektronische Daten] [Xinde Feng, Ping Han, Jinhuan Wu, Yanhui Sun] Summary: Copolymerization of tetrahydrofuran and propylene oxide catalyzed by modified H2SO4.SO3 system has been studied. Sodium perchloride was used to replace perchloric acid as co-catalyst. The copolymerization rate was obviously accelerated when using the new H2SO4.SO3−NAClO4 catalyst system. The reaction became less sensitive to the moisture. Springer-Verlag, 1990 Feng Xinde Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut Han Ping Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut Wu Jinhuan Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut Sun Yanhui Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut Polymer Bulletin Springer-Verlag 24/5(1990-11-01), 507-512 0170-0839 24:5<507 1990 24 289 https://doi.org/10.1007/BF00395572 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00395572 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Feng Xinde Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Han Ping Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Wu Jinhuan Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Sun Yanhui Chemistry Department, Peking University, 100871, Beijing, People's Republic of China aut NATIONALLICENCE 773 0- Polymer Bulletin Springer-Verlag 24/5(1990-11-01), 507-512 0170-0839 24:5<507 1990 24 289 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer