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Polymer Bulletin
Erschienen in: Polymer Bulletin 10/2015

01.10.2015 | Original Paper

Modification of polyurethane by graft polymerization of poly(acrylic acid) for the control of molecular interaction and water compatibility

verfasst von: Yong-Chan Chung, Ha Youn Kim, Jae Won Choi, Byoung Chul Chun

Erschienen in: Polymer Bulletin | Ausgabe 10/2015

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Abstract

Polyurethane (PU) was graft polymerized with poly(acrylic acid) (PA) to form a PA-grafted PU (UA) series, and a control PU (C) series containing free PA was also prepared for comparison. The grafted PA could be ionized, and an ionized PA-grafted PU (IUA) series was separately prepared. The spectroscopic, thermal, tensile, shape memory, low-temperature flexibility, and water permeability properties of the polymer series were compared. With an increase in the PA content, the T m did not change, but ΔH m decreased for the UA, IUA, and C series. The T g did not significantly change with the increase in PA content for the UA, IUA, and C series. The tensile strengths of the UA and IUA series sharply increased with the PA content, whereas that of the C series did not. The breaking strain of the UA, IUA, and C series remained the same with the increase in PA content. The shape recovery and shape retention of the PU–PA series remained high after four repeated tests. Finally, the IUA series PU demonstrated better low-temperature flexibility and water compatibility than the unmodified PU.
Vorheriger Artikel Hydrogel/clinoptilolite nanocomposite-coated fertilizer: swelling, water-retention and slow-release fertilizer properties
Nächster Artikel Concentration-dependent ionic conductivity and dielectric relaxation of methyl blue-dyed polyethylene oxide films

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Metadaten
Titel
Modification of polyurethane by graft polymerization of poly(acrylic acid) for the control of molecular interaction and water compatibility
verfasst von
Yong-Chan Chung
Ha Youn Kim
Jae Won Choi
Byoung Chul Chun
Publikationsdatum
01.10.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 10/2015
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-015-1429-x

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