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Statements

Subject Item
n2:RIV%2F60461373%3A22330%2F09%3A00022202%21RIV10-MSM-22330___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Highly methylated (HM) pectin (DM = 90%) was amidated with four amines under anhydrous conditions. The goal was to prepare modified pectins that could be useful components of composites with new properties. The yields and degree of amidation (DA) of the products were, respectively, 67-92% and 67.3-72.0%. Maximal values were obtained for pectin propylamide (1) and minimal for pectin 7-aminoheptylamide (4). While products I and pectin 3-propanolamide (2) showed 95 g/100 g solubility in water, pectin 3-aminopropylamide (3) was 46 g/100 g and 4 only 3 g/100 g water-soluble. The TG/DTA data indicate that the thermal properties were not dramatically altered under inert environment and improved as far as thermooxidation resistance. From the overall prospective product 3 seems to be the most valuable component for further composite preparation. Highly methylated (HM) pectin (DM = 90%) was amidated with four amines under anhydrous conditions. The goal was to prepare modified pectins that could be useful components of composites with new properties. The yields and degree of amidation (DA) of the products were, respectively, 67-92% and 67.3-72.0%. Maximal values were obtained for pectin propylamide (1) and minimal for pectin 7-aminoheptylamide (4). While products I and pectin 3-propanolamide (2) showed 95 g/100 g solubility in water, pectin 3-aminopropylamide (3) was 46 g/100 g and 4 only 3 g/100 g water-soluble. The TG/DTA data indicate that the thermal properties were not dramatically altered under inert environment and improved as far as thermooxidation resistance. From the overall prospective product 3 seems to be the most valuable component for further composite preparation.
dcterms:title
Amidated pectin derivatives with n-propyl-, 3-aminopropyl-, 3-propanol- or 7-aminoheptyl-substituents Amidated pectin derivatives with n-propyl-, 3-aminopropyl-, 3-propanol- or 7-aminoheptyl-substituents
skos:prefLabel
Amidated pectin derivatives with n-propyl-, 3-aminopropyl-, 3-propanol- or 7-aminoheptyl-substituents Amidated pectin derivatives with n-propyl-, 3-aminopropyl-, 3-propanol- or 7-aminoheptyl-substituents
skos:notation
RIV/60461373:22330/09:00022202!RIV10-MSM-22330___
n3:aktivita
n8:Z
n3:aktivity
Z(MSM6046137305)
n3:cisloPeriodika
4
n3:dodaniDat
n13:2010
n3:domaciTvurceVysledku
n16:9893628
n3:druhVysledku
n18:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
302633
n3:idVysledku
RIV/60461373:22330/09:00022202
n3:jazykVysledku
n14:eng
n3:klicovaSlova
HM pectin; Amidation; Solubility; NMR; FTIR; FT-Raman; TGA/DTA
n3:klicoveSlovo
n5:NMR n5:TGA%2FDTA n5:FT-Raman n5:FTIR n5:Solubility n5:HM%20pectin n5:Amidation
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[97B5BA1D4346]
n3:nazevZdroje
Carbohydrate Polymers
n3:obor
n6:CD
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n13:2009
n3:svazekPeriodika
76
n3:tvurceVysledku
Šimkovic, Ivan Synytsya, Andriy
n3:zamer
n15:MSM6046137305
s:issn
0144-8617
s:numberOfPages
4
n4:organizacniJednotka
22330