Journal
MATERIALS LETTERS
Volume 126, Issue -, Pages 259-262Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2014.04.055
Keywords
Polymers; Porous Schiff-base networks; Membrane; Ceramics; Surface modification
Funding
- National Natural Science Foundation of China [21273235]
- Knowledge Innovation Programs of Chinese Academy of Sciences
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A surface modification strategy was applied by using 3-aminopropyltriethoxysilane (APTES) covalent linkage between the Schiff-base networks (SNW) polymer layers and porous alpha-Al2O3 ceramic support. The SNW-1 polymer membrane and powders resulting from the polycondensation reaction between melamine and terephthalaldehyde without the polycondensation catalysts were investigated by SEM and FT-IR. The results show that the discrete and few covered polymer layers were formed on the unmodified porous alpha-Al2O3 support. In contrast, the uniform and compact SNW-1 polymer membrane was fabricated successfully on the APTES modified alpha-Al2O3 support by in-situ catalyst-free polycondensation method, indicating that the APTES surface modification facilitates the growth of the novel SNW-1 polymer membrane on the porous a-Al2O3 support. (C) 2014 Elsevier B.V. All rights reserved.
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