Click grafting of seaweed polysaccharides onto PVC surfaces using an ionic liquid as solvent and catalyst.
Seaweed antibacterial polysaccharides were grafted onto poly(vinylchloride) (PVC) surfaces using an original click chemistry pathway. PVC isothiocyanate surfaces (PVC-NCS) were first prepared by nucleophilic substitution of the chloride groups by isothiocyanate groups in DMSO/water medium. Then, unmodified Ulvan, Fucan, Laminarin or Zosterin was directly grafted onto the PVC-NCS surface using 1-ethyl-3-methyl imidazolium phosphate, an ionic liquid, as solvent and catalyst. To attest the grafting effectiveness, the new PVC surfaces were well characterized by AFM, XPS and contact angle measurements.
Normandie Université, INSA de Rouen, Polymères Biopolymères Surfaces (PBS)-UMR 6270 FR 3038, CNRS 685 avenue de l'université BP08, 76801 Saint-Etienne du Rouvray, Cedex, France.
Sandra
S
Bigot
Guy
G
Louarn
Nasreddine
N
Kébir
Fabrice
F
Burel
D000900:Anti-Bacterial Agents / Q000737:chemistry* / Q000302:isolation & purification; D057930:Click Chemistry; D005936:Glucans; D007093:Imidazoles / Q000737:chemistry*; D052578:Ionic Liquids / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D018625:Microscopy, Atomic Force; D011134:Polysaccharides / Q000737:chemistry / Q000302:isolation & purification; D011143:Polyvinyl Chloride / Q000737:chemistry*; D012624:Seaweed / Q000737:chemistry*
D000900:Anti-Bacterial Agents; D005936:Glucans; D007093:Imidazoles; D052578:Ionic Liquids; D011134:Polysaccharides; C571831:ulvan; C070927:zosterin; D011143:Polyvinyl Chloride; C008247:laminaran; C007789:fucoidan; C518739:1-ethyl-3-methylimidazolium
Click chemistry; Ionic liquids; PVC; Polysaccharide