Article (Scientific journals)
Multifractal analysis. A new method for the characterization of the morphology of multicomponent polymer systems
Blacher, Silvia; Brouers, François; Fayt, Roger et al.
1993In Journal of Polymer Science. Part B, Polymer Physics, 31 (6), p. 655-662
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Keywords :
Agents; Approximation theory; Block copolymers; Correlation methods; Fractals; Image analysis; Mechanical properties; Microscopic examination; Microstructure; Morphology; Polyethylenes; Polystyrenes; Box counting method; Canonical approximation; Emulsifiers; Multicomponent systems; Multifractal analysis; Spectrum of singularities; Polymer blends
Abstract :
[en] It has been demonstrated that use of polymeric emulsifiers under usual processing conditions in the melt state is a powerful technique for preparing polymer alloys. Digitized representation of optical micrographs of thin sections of blends of a low‐density polyethylene and polystyrene (20 wt % PE‐80 wt % PS) containing 2 and 5 wt % of two hydrogenated polybutadiene‐polystyrene block copolymers exhibit different degrees of homogeneity as well as different morphological structures which can be studied by a multifractal analysis. We show how these differences are reflected in the f(α) spectrum of singularities which can be obtained by a box counting method in the canonical approximation. We have found a correlation between the f(α) curves and the mechanical properties of the corresponding samples: the samples which area the less multifractals have the best mechanical properties. © 1993 John Wiley & Sons, Inc. Copyright © 1993 John Wiley & Sons, Inc.
Disciplines :
Chemistry
Author, co-author :
Blacher, Silvia ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Brouers, François ;  Université de Liège - ULiège > Relations académiques et scientifiques (Sciences appliquées)
Fayt, Roger;  Université de Liège - ULiège > Laboratory of Macromolecular Chemistry and Organic Catalysis
Teyssié, Philippe ;  Université de Liège - ULiège > Relations académiques et scientifiques (Sciences)
Language :
English
Title :
Multifractal analysis. A new method for the characterization of the morphology of multicomponent polymer systems
Publication date :
1993
Journal title :
Journal of Polymer Science. Part B, Polymer Physics
ISSN :
0887-6266
eISSN :
1099-0488
Publisher :
John Wiley & Sons, Hoboken, United States - New York
Volume :
31
Issue :
6
Pages :
655-662
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 December 2019

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