Alternating Stereospecific Copolymerization of Ethylene and Propylene with Metallocene Catalysts
โ Scribed by Fan, Wendy; Leclerc, Margarete K.; Waymouth, Robert M.
- Book ID
- 120019005
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 108 KB
- Volume
- 123
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
## Abstract Poly(ethyleneโ__co__โpropylene) macromonomer (EPM) was synthesized in a highโtemperature continuous stirred tank reactor (CSTR) with [C~5~Me~4~(SiMe~2~N^t^Bu)]TiMe~2~ (CGCโTi) as the catalyst system. PE samples with EPM long chain branching (LCB) were produced by semiโbatch copolymeriza
## Abstract Sequential stereoblock copolymerization of propylene (P) and methyl methacrylate (MMA) using Group IV singleโsite metallocene catalysts efficiently produces PPโ__b__โPMMA stereodiblock copolymers. When activated with B(C~6~F~5~)~3~, C~2~โsymmetric __rac__โEt(Ind)~2~ZrMe~2~ yields isotac