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Title:Cross-linked porous poly(acrylic acid-co-acrylamide) from high internal phase emulsions: preparation and functionalisation
Authors:ID Majer Kovačič, Janja (Author)
ID Krajnc, Peter (Author)
Files:.pdf Acta_Chimica_Slovenica_2009_Majer,_Krajnc_Cross-Linked_Porous_Poly(Acrylic_Acid-co-Acrylamide)_from_High_Internal_Phase_Emulsions_Prepar.pdf (218,85 KB)
MD5: 388EFFBF36299BE96CA26F9FF9062BB1
PID: 20.500.12556/dkum/99e3378c-f609-4480-ae83-c4222e5f0208
 
URL http://acta-arhiv.chem-soc.si/56/56-03-629.pdf
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:By using emulsions with high volume fractions of internal phase as polymerisation media porous copolymers of acrylic acid and acrylamide, cross-linked by methylenebisacrylamide, were prepared. The ratio of acrylic acid to acrylamide were varied (molar ratios 70:30, 50:50, 30:70) in order to yield polymers with various loading of acidic functional groups. Porous polymers with an open-cellular architecture were obtained with void diameters between 2.8 μm and 3.9 μm and with interconnecting pores approx. 0.3 μm in diameter. The chemical composition of the polymers influenced the conversion degrees during the process of functionalisation of acidic groups to acid chloride, being the highest in the case of polymer with the lowest content of acrilyc acid.
Keywords:porous monoliths, copolymers, polyacrylic acid, polyacrylamide, plyHIPE, high internal phase emulsion
Publication status:Published
Publication version:Version of Record
Year of publishing:2009
Number of pages:str. 629-634
Numbering:Letn. 56, št. 3
PID:20.500.12556/DKUM-67423 New window
ISSN:1318-0207
UDC:547.1.057:678.6
ISSN on article:1318-0207
COBISS.SI-ID:13509910 New window
NUK URN:URN:SI:UM:DK:U3TORWS9
Publication date in DKUM:17.08.2017
Views:2286
Downloads:144
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
MAJER KOVAČIČ, Janja and KRAJNC, Peter, 2009, Cross-linked porous poly(acrylic acid-co-acrylamide) from high internal phase emulsions: preparation and functionalisation. Acta Chimica Slovenica [online]. 2009. Vol. 56, no. 3, p. 629–634. [Accessed 9 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=67423
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Record is a part of a journal

Title:Acta Chimica Slovenica
Shortened title:Acta Chim. Slov.
Publisher:Slovensko kemijsko društvo
ISSN:1318-0207
COBISS.SI-ID:14086149 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:17.08.2017

Secondary language

Language:Slovenian
Abstract:Pripravili smo porozne netopne kopolimere med akrilno kislino in akrilamidom (delež akrilamida med 30 in 70 odstotki), zamrežene z metilenbisakrilamidom, pri čemer smo kot polimerizacijski medij uporabili emulzije z visokim deležem notranje faze. Nastali so visoko porozni polimeri z odprto celično strukturo s premerom praznin med 2.8 μm in 3.9 μm in s povezovalnimi porami s premeri okoli 0.3 μm. Kemijska sestava polimerov je vplivala na stopnje pretvorbe pri funkcionalizaciji do kislinskega klorida; najvišjo stopnjo pretvorbe smo opazili pri najvišjem deležu akrilamida v polimeru.
Keywords:porozni monoliti, kopolimeri, poliakrilna kislina, poliakrilamid, plyHIPE, emulzija z visokim deležem notranje faze


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