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Chemical Composition Distribution and Temperature Rising Elution Fractionation of Linear Olefin Block Copolymers
Author(s) -
Anantawaraskul Siripon,
Sottesakul Suwicha,
Siriwongsarn Ekaphol,
Soares João B.P.
Publication year - 2013
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.201300031
Subject(s) - copolymer , polyolefin , materials science , olefin fiber , fractionation , monte carlo method , block (permutation group theory) , microstructure , elution , polymerization , work (physics) , polymer chemistry , thermodynamics , chromatography , chemistry , composite material , mathematics , statistics , polymer , physics , geometry , layer (electronics)
Summary Linear olefin block copolymers (OBCs) have statistical multi‐block structures and exhibit unique properties that are different from those of other polyolefin elastomers. In this work, the microstructure details of OBCs were investigated using a Monte Carlo model. Theoretical TREF profiles for these materials were simulated using a modified version of the TREF model previously developed in our group. Effects of polymerization parameters on OBC microstructures and TREF profiles were investigated. Distinctions among chemical composition distribution, longest ethylene sequence distribution, and TREF profiles were observed and discussed.