Several new in situ tungsten catalyst systems for ring-opening metathesis polymerizations (ROMP) by reaction injection molding (RIM) have been developed by adding BF 3 promoter to binary catalyst systems, by using metal hydride cocatalysts, and by altering the ligands on the procatalyst metal center
Ring-opening metathesis polymerization of tetracyclododecene using various catalyst systems
✍ Scribed by Jaehoon Kim; Chun Ji Wu; Wan-Joo Kim; Junhyuk Kim; Hyunjoo Lee; Jae-Duck Kim
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 176 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0021-8995
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## Abstract The ring‐opening metathesis polymerization of cyclododecene using an electrochemically reduced tungsten‐based catalyst (WCl~6~e^−^AlCH~2~Cl~2~) is described. In addition, the influence of reaction conditions on the polymerization yield was determined. The resulting polymer has been c
Optimized ring-opening metathesis polymerization (ROMP) conditions for cyclohexenyl norbornene (CHNB) have been determined. ROMP of CHNB was carried out with ruthenium trichloride hydrate and ruthenium benzylidene catalysts. The effects of mol % catalyst, type of catalyst, use of a dissolution aid (