About: Fractional complexation in a miscible polymer blend. Calorimetry and size exclusion chromatography

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Poly(N-methyldodecano-12-lactam) (PMDL) is miscible with poly(4-vinylphenol) (PVPh). In the system PMDL + PVPh + tetrahydrofuran containing low-molar-mass polymer pair, this miscible blend is soluble in the solvent. In this work, it has been found that the system containing high-molar-mass polymer pair undergoes associative phase separation into a gel-like interpolymer complex and a soluble residual phase (RP). The complex and RP samples were characterized using differential scanning calorimetry, size exclusion chromatography and thermogravimetric analysis. The average molar ratio of PMDL to PVPh in the complex is 1:2, considered an optimum composition of the interpolymer complex. The complex shows higher glass transition temperature and higher thermal stability than the RP. Formation of the interpolymer complex in the studied system and differences in its properties from the RP are caused by higher molar mass/length of associated polymer chains as a result of fractionation during which the high-molar-mass fraction forms the gel-like interpolymer complex and the low-molar-mass fraction forms the soluble RP. Poly(N-methyldodecano-12-lactam) (PMDL) is miscible with poly(4-vinylphenol) (PVPh). In the system PMDL + PVPh + tetrahydrofuran containing low-molar-mass polymer pair, this miscible blend is soluble in the solvent. In this work, it has been found that the system containing high-molar-mass polymer pair undergoes associative phase separation into a gel-like interpolymer complex and a soluble residual phase (RP). The complex and RP samples were characterized using differential scanning calorimetry, size exclusion chromatography and thermogravimetric analysis. The average molar ratio of PMDL to PVPh in the complex is 1:2, considered an optimum composition of the interpolymer complex. The complex shows higher glass transition temperature and higher thermal stability than the RP. Formation of the interpolymer complex in the studied system and differences in its properties from the RP are caused by higher molar mass/length of associated polymer chains as a result of fractionation during which the high-molar-mass fraction forms the gel-like interpolymer complex and the low-molar-mass fraction forms the soluble RP. (en)
Title	Fractional complexation in a miscible polymer blend. Calorimetry and size exclusion chromatography Fractional complexation in a miscible polymer blend. Calorimetry and size exclusion chromatography (en)
skos:prefLabel	Fractional complexation in a miscible polymer blend. Calorimetry and size exclusion chromatography Fractional complexation in a miscible polymer blend. Calorimetry and size exclusion chromatography (en)
skos:notation	RIV/61389013:_____/14:00429259!RIV15-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/0703), P(IAA200500903)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Dybal, Jiří Sikora, Antonín Šturcová, Adriana Kratochvíl, Jaroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	17390
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/14:00429259
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	miscible blend; interpolymer complex; residual phase (en)
http://linked.open.../riv/klicoveSlovo	interpolymer complex miscible blend residual phase
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[35413BD557C5]
http://linked.open...i/riv/nazevZdroje	Polymer International
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Cellulose-based biodegradable nanocomposite materials prepared in ionic liquids The effects of coalescence and crystallization on the phase structure evolution at cooling of polymer blends
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	63
http://linked.open...iv/tvurceVysledku	Dybal, Jiří Sikora, Antonín Kratochvíl, Jaroslav Šturcová, Adriana
http://linked.open...ain/vavai/riv/wos	000338994700010
issn	0959-8103
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/pi.4729

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