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Linear low density polyethylenes and their blends : Part 1. Molecular characterization

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1002/pen.760270509
AuteurRechercher : 1; Rechercher : 1
Affiliation
  1. Conseil national de recherches Canada
FormatTexte, Article
Résumé
Ten commercial linear low‐density polyethylenes (LLDPE) were characterized by solution viscosity, size exclusion chromatography, SEC, and ¹³C nuclear magnetic resonance. The resins were copolymers of ethylene with butene, hexene, or octene. They were prepared in gas phase (with narrow or very broad molecular weight distribution), or in solution. The macromolecules were found to be linear. For all but the very broad molecular weight distribution resins the average comonomer sequence length was found to be 1; in the other case diad formation was observed. The weight average molecular weights calculated from SEC, and intrinsic viscosities agreed quite well. Mechanical degradation of LLDPE was observed during the solution viscosity measurements.
Date de publication
Maison d’éditionWiley
Dans
  • Polymer Engineering and Science 27, nº 5 : 359–366.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCCNRC 25591
NRC-IGM86-102-284
Numéro NPARC23004048
Exporter la noticeExporter en format RIS
Signaler une correctionSignaler une correction (s'ouvre dans un nouvel onglet)
Identificateur de l’enregistrement3fc4676e-080d-4dba-a0e4-ab3a32d9b04a
Enregistrement créé2018-09-19
Enregistrement modifié2020-03-17
Date de modification :