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| Description
| - Byla studována směs poly(-kaprolakton) (PCL) a poly(styren-co-akrylonitril) (SAN), přičemž SAN obsahoval 27,5 hm% akrylonitrilu. PCL/SAN směs mající fázové rozhraní LCST (nižší kritická teplota rozpoštění) nad teplotou tání Tm PCL nabízí výbornou možnost studia soutěže fázové změny ?kapalina-tuhá látka? (krystalizace) s fázovou změnou ?kapalina-kapalina? (rozpouštění fází). Směs s kritickým složením (80/20 PCL/SAN) prodělala skok na teplotu nad LCST vedoucí ke spinodální dekompozici (SD), což mělo za následek vytvoření pravidelné fázově separované struktury. Pak byla směs ochlazena pod Tm, přičemž oba procesy ? krystalizace a rozpouštění fází mohly pokračovat. Za pomoci transmisní elektronové mikroskopie bylo zjištěno, že v průběhu izotermální temperace po ochlazení na poměrně vysoké teploty blízko Tm (např. 51°C) se SD struktura postupně ztratila, a pak teprve začala krystalizace z jednofázové směsi vedoucí k normální krystalické struktuře podobné čistému krystalickému polymeru. Při nižších teplotách (cs)
- Blend of poly(-caprolactone) (PCL) and poly(styrene-co-acrylonitrile) (SAN) containing 27.5 wt% of acrylonitrile was studied. The PCL/SAN blend having LCST (lower critical solution temperature) phase boundary above the melting point Tm of PCL offered an excellent opportunity to investigate the competition of liquid-solid phase transition (crystallization) and liquid-liquid phase transition (phase dissolution). A blend with the critical composition (80/20 PCL/SAN) underwent a temperature-jump above LCST to proceed spinodal decomposition, yielding a regularly phase-separated structure (SD structure). Then, it was quenched to the temperatures below Tm at which both the crystallization and the phase dissolution could occur. By transmission electron microscopy it was found that during isothermal annealing after quenching to high temperatures close to Tm (e.g. 51°C), the SD structure gradually disappeared, and then the crystallization started from a single-phase mixture to yield normal crystalline structure
- Blend of poly(-caprolactone) (PCL) and poly(styrene-co-acrylonitrile) (SAN) containing 27.5 wt% of acrylonitrile was studied. The PCL/SAN blend having LCST (lower critical solution temperature) phase boundary above the melting point Tm of PCL offered an excellent opportunity to investigate the competition of liquid-solid phase transition (crystallization) and liquid-liquid phase transition (phase dissolution). A blend with the critical composition (80/20 PCL/SAN) underwent a temperature-jump above LCST to proceed spinodal decomposition, yielding a regularly phase-separated structure (SD structure). Then, it was quenched to the temperatures below Tm at which both the crystallization and the phase dissolution could occur. By transmission electron microscopy it was found that during isothermal annealing after quenching to high temperatures close to Tm (e.g. 51°C), the SD structure gradually disappeared, and then the crystallization started from a single-phase mixture to yield normal crystalline structure (en)
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| Title
| - Competition of Phase Dissolution and Crystallization in Poly(-caprolactone)/ Poly(styrene-co-acrylonitrile) Blend
- Competition of Phase Dissolution and Crystallization in Poly(-caprolactone)/ Poly(styrene-co-acrylonitrile) Blend (en)
- Soutěž fázového rozpouštění a krystalizace ve směsi poly(-kaprolakton) a poly(styren-co-akrylonitril) (cs)
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| skos:prefLabel
| - Competition of Phase Dissolution and Crystallization in Poly(-caprolactone)/ Poly(styrene-co-acrylonitrile) Blend
- Competition of Phase Dissolution and Crystallization in Poly(-caprolactone)/ Poly(styrene-co-acrylonitrile) Blend (en)
- Soutěž fázového rozpouštění a krystalizace ve směsi poly(-kaprolakton) a poly(styren-co-akrylonitril) (cs)
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| skos:notation
| - RIV/70883521:28110/08:63507300!RIV09-MSM-28110___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/70883521:28110/08:63507300
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Phase Dissolution; Crystallization; Competition; Polymer Blends (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Inoue, Takashi
- Svoboda, Petr
- Svobodová, Dagmar
- Chiba, Tsuneo
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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| is http://linked.open...avai/riv/vysledek
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