Structural characterisation of some polystyrene—polyisoprene copolymers

Autor:	M. T. Chow, Colin Price, A. G. Watson, T.P. Lally, D. Woods
Rok vydání:	1972
Předmět:	chemistry.chemical_compound Morphology (linguistics) Materials science chemistry Group (periodic table) Polymer chemistry General Engineering Copolymer General Materials Science Polystyrene Texture (crystalline) Isoprene Styrene
Zdroj:	British Polymer Journal. 4:413-425
ISSN:	1934-256X 0007-1641
DOI:	10.1002/pi.4980040505
Popis:	The various levels of organisation which may be distinguished in non-crystalline block copolymers are considered. An account is given of the application of low-angle X-ray diffraction and electron microscopy to the characterisation of the two-phase morphology and grain texture of some styrene/isoprene copolymers. The first group of copolymers to be considered contains two series of samples of the type S–I, (S–I–)2X, (S–I–)3Y, and (S–I–)4Z where I is polyisoprene, S polystyrene and X, Y and Z are di-, tri- and tetra-functional coupling groups. The second group of copolymers which was subjected to a less detailed study than the first consists of just two polystyrene-g-polyisoprene samples.
Databáze:	OpenAIRE
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