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等离子医学

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ISSN 打印: 1947-5764

ISSN 在线: 1947-5772

SJR: 0.216 SNIP: 0.263 CiteScore™:: 1.4 H-Index: 24

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Deposition of Thermoresponsive Plasma Polymer Films from N-Isopropylacrylamide Using Dielectric Barrier Discharge at Atmospheric Pressure

卷 2, 册 1-3, 2012, pp. 127-139
DOI: 10.1615/PlasmaMed.2014006457
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摘要

Thermoresponsive polymers are of great interest as functional coatings in biomedical applications. Poly-N-isopropylacrylamide (NiPAAm) is a widely used compound that switches its surface properties from hydrophilic to hydrophobic by passing the lower critical solution temperature of 32°C. This study investigated plasma polymerization of NiPAAm (pp-NiPAAm) using a dielectric barrier discharge. The films' chemical composition, thermoresponsive behavior, and stability in water were analyzed. Small effects with regard to thermoresponsive behavior were observed for films with high retention of the monomer structure. Unfortunately, however, these films were not stable in water, so plasma copolymerization was performed to improve film stability. Two different monomers were chosen: vinyltrimethoxysilane and glycidyl methacrylate. Thin films of pp-NiPAAM-co-glycidyl methacrylate show thermoresponsive behavior. While stability in water was improved significantly, the responsive behavior was lost after storing these films in water. Future work to ensure the long-term stability of pp-NiPAAm films, particularly in an aqueous environment, has to be done.

对本文的引用
  1. Jovančić Petar, Vílchez Alberto, Molina Ricardo, Synthesis of Thermo-Sensitive Hydrogels from Free Radical Copolymerization of NIPAAm with MBA Initiated by Atmospheric Plasma Treatment, Plasma Processes and Polymers, 13, 7, 2016. Crossref

  2. Liguori Anna, Pollicino Antonino, Stancampiano Augusto, Tarterini Fabrizio, Focarete Maria Letizia, Colombo Vittorio, Gherardi Matteo, Deposition of Plasma-Polymerized Polyacrylic Acid Coatings by a Non-Equilibrium Atmospheric Pressure Nanopulsed Plasma Jet, Plasma Processes and Polymers, 13, 3, 2016. Crossref

  3. Mussano F., Genova T., Verga Falzacappa E., Scopece P., Munaron L., Rivolo P., Mandracci P., Benedetti A., Carossa S., Patelli A., In vitro characterization of two different atmospheric plasma jet chemical functionalizations of titanium surfaces, Applied Surface Science, 409, 2017. Crossref

  4. Moreno‐Couranjou Maryline, Loyer François, Grysan Patrick, Boscher Nicolas D., Choquet Patrick, Insights into switchable thermoresponsive copolymer layers by atmospheric pressure plasma‐initiated chemical vapour deposition, Plasma Processes and Polymers, 17, 3, 2020. Crossref

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