New catalysts for the polymerization of diisopropenylbenzenes
β Scribed by A. A. D'Onofrio
- Publisher
- John Wiley and Sons
- Year
- 1964
- Tongue
- English
- Weight
- 262 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
A metal-free approach to the living ring-opening polymerization (ROP, shown schematically) of lactide has been developed using strongly basic amines such as 4-(dimethylamino)pyridine as transesterification catalysts. These organic catalysts must be used in combination with a nucleophile such as an a
A new iron-based catalyst, 2,6-bis[(1-naphthanylimino)ethyl]pyridine iron(II) chloride I, has been successfully synthesized and characterized. Ethylene was polymerized by I/methylaluminoxane to give branched, low-density polymers with good activity. The result shows that the new diimino ligand has i