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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F14%3A00429259%21RIV15-GA0-61389013
rdf:type
skos:Concept n18:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/61389013:_____/14:00429259!RIV15-GA0-61389013
n3:aktivita
n17:I n17:P
n3:aktivity
I, P(GAP108/12/0703), P(IAA200500903)
n3:cisloPeriodika
8
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
n11:9400540 n11:1926284 n11:1518755 n11:5033470
n3:druhVysledku
n15:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
17390
n3:idVysledku
RIV/61389013:_____/14:00429259
n3:jazykVysledku
n12:eng
n3:klicovaSlova
miscible blend; interpolymer complex; residual phase
n3:klicoveSlovo
n8:miscible%20blend n8:residual%20phase n8:interpolymer%20complex
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[35413BD557C5]
n3:nazevZdroje
Polymer International
n3:obor
n16:CD
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n13:GAP108%2F12%2F0703 n13:IAA200500903
n3:rokUplatneniVysledku
n6:2014
n3:svazekPeriodika
63
n3:tvurceVysledku
Sikora, Antonín Kratochvíl, Jaroslav Šturcová, Adriana Dybal, Jiří
n3:wos
000338994700010
s:issn
0959-8103
s:numberOfPages
8
n14:doi
10.1002/pi.4729