Abstraet--Cyclo-olefins may be polymerized under very mild conditions to give linear polymers using a mixture of WCI6 and A1Br3. No metal alkyls are involved. The polymers contain no vinylic unsaturation. \* Commercial product, 60 per cent trans, 30 per cent cis, I0 per cent saturated material. t T
β¦ LIBER β¦
Nylon 3 synthesized by ring opening polymerization with a metal-free catalyst
β Scribed by Yang, Hongjun; Zhao, Junpeng; Yan, Manqing; Pispas, Stergios; Zhang, Guangzhao
- Book ID
- 120401925
- Publisher
- The Royal Society of Chemistry
- Year
- 2011
- Tongue
- English
- Weight
- 170 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1759-9954
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## Abstract Ringβopening polymerization of 2βphenylβ1,3,2βdioxaphosphorinane (a sixβmembered cyclic phosphonite, 4) has been initiated with a new catalyst system of a halobenzene and NiBr~2~. The polymerization proceeded in a living nature to produce poly(phosphinate) consisting exclusively of a βn