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Time-resolved SAXS/WAXS study of phase behaviour and crystallization in polymer blends
- 1.0188942 - UMCH-V 20023356 RIV US eng J - Journal Article
Baldrian, Josef - Steinhart, Miloš - Vlček, Petr - Horký, M. - Laggner, P. - Amenitsch, H. - Bernstorff, S.
Time-resolved SAXS/WAXS study of phase behaviour and crystallization in polymer blends.
Journal of Macromolecular Science - Physics. B41, 4-6 (2002), s. 1023-1032. ISSN 0022-2348. E-ISSN 1525-609X
R&D Projects: GA ČR GA106/99/0557
Institutional research plan: CEZ:AV0Z4050913
Keywords : time-resolved SAXS/WAXS * poly(ethylene oxide)/poly(methyl methacrylate) blends * phase separation
Subject RIV: JJ - Other Materials
Impact factor: 0.677, year: 2002
Real-time SAXS and WAXS patterns have been simultaneously obtained during isothermal melt-crystallization of blends of low-molecular-weight poly(ethylene oxide) and poly(methyl methacrylate). The structure development proceeds in two steps. A very fast evolution of PEO crystals from the melt starts to crystallize in disordered NIF lamellae with thick amorphous interlayers and with a lower density of crystalline phase. In the second step, the structure of crystalline phase gradually improves and NIF lamellae recrystallize to more stable structures.
Permanent Link: http://hdl.handle.net/11104/0084813
Number of the records: 1