Structural analysis of random propylene-ethylene copolymers
✍ Scribed by Zimmermann, H. J.; Hoechst, A. G.
- Book ID
- 120996143
- Publisher
- Taylor and Francis Group
- Year
- 1993
- Tongue
- English
- Weight
- 787 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0022-2348
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## Abstract Copolymers of ethylene and C^14^‐labeled propylene were prepared with a metal‐oxide catalyst which polymerizes ethylene to a high density polymer. Methyl branches arising from the propylene were counted radiochemically and then related to the infrared absorption of films at 8.7 μ. This
Crystalline structure were studied on both block and random propyleneethylene copolymer fractions, which were obtained by temperature rising elution fractionation. The peak characteristic of a-polypropylene (PP) was observed for all fractions, except the fraction eluted at room temperature. A charac