Lanthanum isopropoxide was found to serve as a novel anionic initiator for the polymerization of hexyl isocyanate affording poly(hexy1 isocyanate) with very high molecular weight (M, > lo6) under appropriate conditions. Other lanthanoid alkoxides, such as samarium, ytterbium and yttrium isopropoxide
Polymerization of Isocyanate at Room Temperature, Lanthanoid Alkoxide as Novel Initiator
β Scribed by Ikeda, Tsuyosi; Sugimoto, Hiroshi; Inoue, Shohei
- Book ID
- 126552842
- Publisher
- Taylor and Francis Group
- Year
- 1997
- Tongue
- English
- Weight
- 643 KB
- Volume
- 34
- Category
- Article
- ISSN
- 1060-1325
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π SIMILAR VOLUMES
The present study demonstrates the polymerization of ketenes by using lanthanoid isopropoxide as a novel initiator to produce a polyester of high molecular weight. This is the first example of an efficient room-temperature polymerization of ketenes. As a result of model reactions, it is indicated th
## Abstract Reversible addition fragmentation chain transfer (RAFT) polymerizations of __N__βisopropylacrylamide (NIPAM), and acrylamide (AM) were successfully performed in aqueous media at ambient temperature using a redox initiator, potassium persulfate (K~2~S~2~O~8~), and sodium thiosulfate (Na~