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Filled temperature-sensitive poly(vinyl methyl ether) hydrogels
Journal of applied polymer science, 2005-12, Vol.98 (5), p.2253-2265
Theiss, Daniel
Schmidt, Thomas
Dorschner, Helmut
Reichelt, Rudolf
Arndt, Karl-Friedrich
2005
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Theiss, Daniel
Schmidt, Thomas
Dorschner, Helmut
Reichelt, Rudolf
Arndt, Karl-Friedrich
Titel
Filled temperature-sensitive poly(vinyl methyl ether) hydrogels
Ist Teil von
Journal of applied polymer science, 2005-12, Vol.98 (5), p.2253-2265
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2005
Quelle
Wiley HSS Collection
Beschreibungen/Notizen
Temperature‐sensitive hydrogels based on poly(vinyl methyl ether) (PVME) with ferroelectric or ferromagnetic properties were synthesized by high‐energy irradiation. Barium titanate and poly(vinylidene fluoride) (PVDF) were used as ferroelectric filler and Ni as ferromagnetic filler. The filled PVME hydrogels were synthesized by electron beam or γ‐ray irradiation (of a suspension with 5–50 wt % of filler (with respect to polymer mass) in a 20 wt % aqueous PVME solution). Filling of the gel reduces the absolute swelling degree at low temperatures, but do not influence the phase‐transition temperature of the gel. The particle distribution of the fillers inside the gel was visualized by field emission scanning electron microscopy. The fillers were incorporated in the PVME network and fixed because of their size (inorganic particles), as well as by chemical bonds (PVDF). The ferroelectric or ferromagnetic properties of the filled gels were proved. Measurements in a corresponding alternating field provide the hysteresis loop, for both the ferromagnetic and ferroelectric gel. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 98: 2253–2265, 2005
Sprache
Englisch
Identifikatoren
ISSN: 0021-8995
eISSN: 1097-4628
DOI: 10.1002/app.22015
Titel-ID: cdi_crossref_primary_10_1002_app_22015
Format
–
Schlagworte
Applied sciences
,
Composites
,
Exact sciences and technology
,
ferroelectricity
,
ferromagneticity
,
field emission scanning electron microscopy
,
Forms of application and semi-finished materials
,
hydrogels
,
Polymer industry, paints, wood
,
stimuli-sensitive polymers
,
Technology of polymers
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