Article (Scientific journals)
MOLECULAR DESIGN OF MULTICOMPONENT POLYMER SYSTEMS. XII. DIRECT OBSERVATION OF THE LOCATION OF A BLOCK COPOLYMER IN LOW-DENSITY POLYETHYLENE-POLYSTYRENE BLENDS.
Fayt, Roger; Jérôme, Robert; Teyssié, Philippe
1986In Journal of Polymer Science, Polymer Letters Edition, 24 (1), p. 25-28
Peer reviewed
 

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Keywords :
BLOCK COPOLYMERS; MICROSCOPES, ELECTRON - Applications; POLYETHYLENES - Blending; POLYSTYRENES - Blending; MOLECULAR DESIGN; MULTICOMPONENT POLYMER SYSTEMS; POLYMERS
Abstract :
[en] A poly(hydrogenated butadiene-b-styrene) (HPB-b-PS) copolymer has been modified by the insertion of a short central polyisoprene (PIP) block. The selective staining of PIP provides an efficient means of locating the block copolymer in the modified LDPE/PS blends by transmission electron microscopy. Transmission electron micrographs of LDPE/PS blends modified by the HPB-b-PIP-b-PS copolymer containing an OsO//4-stained central block have been reported. It is obvious that the block copolymer forms a continuous layer (dark zones) around the dispersed particles of either PS or PE. Futhermore, a more diffuse dark area seems to extend toward PE phases, whereas a part of the copolymer is dispersed in the LDPE phases to the exclusion of the PS ones, whatever the blend composition.
Disciplines :
Chemistry
Author, co-author :
Fayt, Roger;  Univ of Liege, Lab of Macromolecular, Chemistry & Organic Catalysis,, Liege, Belg, Univ of Liege, Lab of Macromolecular Chemistry & Organic Catalysis, Liege, Belg
Jérôme, Robert ;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Teyssié, Philippe ;  Université de Liège - ULiège > Relations académiques et scientifiques (Sciences)
Language :
English
Title :
MOLECULAR DESIGN OF MULTICOMPONENT POLYMER SYSTEMS. XII. DIRECT OBSERVATION OF THE LOCATION OF A BLOCK COPOLYMER IN LOW-DENSITY POLYETHYLENE-POLYSTYRENE BLENDS.
Publication date :
1986
Journal title :
Journal of Polymer Science, Polymer Letters Edition
ISSN :
0360-6384
Publisher :
John Wiley & Sons, United Kingdom
Volume :
24
Issue :
1
Pages :
25-28
Peer reviewed :
Peer reviewed
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