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Microstructure of metallocene isotactic propylene-co-1-pentene-co-1-hexene terpolymers

AuthorsGarcía-Peñas, A. ; Gómez-Elvira González, José Manuel ; Pérez Tabernero, Ernesto; Cerrada, María L.
Issue Date2014
PublisherJohn Wiley & Sons
CitationJournal of Polymer Science, Part A: Polymer Chemistry 52: 2537- 2547 (2014)
AbstractThis study aims at characterizing in depth the microstructure of propylene-co-1-pentene-co-1-hexene terpolymers, which have been recently reported to develop the isotactic polypropylene δ trigonal polymorph when the total comonomer content is high enough. Such a specific crystalline form had been only reported so far in the analogous copolymers containing either 1-pentene or 1-hexene. A comparative 13C NMR study in solution of the aforementioned terpolymers and copolymers allows asserting the random insertion of both comonomers during chain growth under the polymerization conditions used. The reaction parameters, mainly catalyst and temperature, have been chosen for the purpose of assuring relatively high molar mass polymers.
Identifiersdoi: 10.1002/pola.27270
issn: 0887-624X
e-issn: 1099-0518
Appears in Collections:(ICTP) Artículos
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