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Ultrathin layers of phosphorylated cellulose derivatives on aluminium surfaces
Author(s) -
Kowalik Thomas,
Adler HansJuergen P.,
Plagge Andreas,
Stratmann Martin
Publication year - 2000
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/1521-3935(20001001)201:15<2064::aid-macp2064>3.0.co;2-t
Subject(s) - cellulose , corrosion , materials science , titanium , aluminium , contact angle , adhesion , substrate (aquarium) , metal , coating , chemical engineering , chromate conversion coating , polymer chemistry , metallurgy , composite material , oceanography , engineering , geology
In recent works the self‐assembly process has been investigated to replace the present chromating procedure on reactive metals like aluminium and to improve the lacquer adhesion and corrosion inhibition. These self‐assembling layers were formed of small bifunctional organic molecules with phosphate or phosphonic acid groups attached to the metal substrate. The idea of this work was to apply these results and techniques to cellulose derivatives on implant metals. The formation of ultrathin layers of phosphorylated cellulose derivatives has been reported previously. These ultrathin layers were built on metal substrates like aluminium, titanium or steel for adhesion promotion and corrosion inhibition. Hydroxypropyl‐2‐phosphatepropyl cellulose was synthesised for adhesion on hydrophilic metallic surfaces. Hydroxypropyl‐2‐cinnamoylpropylester cellulose was prepared in order to crosslink the adsorbed layers. The layers were formed on metal surfaces via dip coating from dilute solutions and characterised by means of contact angle measurements, SEM investigations and FT‐IR spectroscopy. Initial corrosion tests were performed.