Novel Rare Earth Catalysts for the Living Polymerization and Block Copolymerization of ε-Caprolactone
✍ Scribed by Shen, Youqing; Shen, Zhiquan; Zhang, Yifeng; Yao, Kemin
- Book ID
- 111965813
- Publisher
- American Chemical Society
- Year
- 1996
- Tongue
- English
- Weight
- 326 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0024-9297
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📜 SIMILAR VOLUMES
Random copolymerization of trimethylene carbonate (TMC) with e-caprolactone (CL) catalyzed by rare earth chloride-epoxide or rare earth isopropoxide has been investigated for the first time. It was found that in the presence of epoxide, rare earth chlorides have high activities for the copolymerizat
The polymerization of caprolactone ( 1-CL) was initiated by yttrium triisopropoxide {Y(OP i r ) 3 }, bimetallic isopropoxide of yttrium and aluminum {Y[Al(OP i s ) 4 ] 3 }, yttrium and tin(II) {Y[Sn(OP i r ) 3 ] 3 }, and tin(II) and yttrium {Sn[Y(OP i r ) 4 ] 2 }, respectively. The polymerization wa