Chlorination of Poly[(1-trimethylsilyl)-1-propyne] Membrane

A characterization of poly[(1-trimethylsilyl)-1-propyne] (PTMSP) membranes treated with chlorine water is presented. PTMSP chlorination was carried out by dipping a PTMSP membrane in chlorine water at 25 °C. X-ray microanalysis reveals that after treatment the chlorine amount is relevant in the whol...

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Bibliographic Details
Published in:	Macromolecules Vol. 32; no. 21; pp. 7263 - 7268
Main Authors:	Nisoli, Elisabetta, Braglia, Roberto, Castiglioni, Chiara, Meroni, Elvira, Pegoraro, Mario, Severini, Febo
Format:	Journal Article
Language:	English
Published:	Washington, DC American Chemical Society 19-10-1999
Subjects:	Applied sciences Exact sciences and technology Exchange resins and membranes Forms of application and semi-finished materials Polymer industry, paints, wood Technology of polymers Chlorination Experimental study Desilylation Chemical substitution Conjugated polymer Chemical modification Aqueous medium Depth profile Reaction mechanism Membrane Acetylene derivative polymer Liquid solid reaction Chlorine containing polymer Silicon polymer
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Summary:	A characterization of poly[(1-trimethylsilyl)-1-propyne] (PTMSP) membranes treated with chlorine water is presented. PTMSP chlorination was carried out by dipping a PTMSP membrane in chlorine water at 25 °C. X-ray microanalysis reveals that after treatment the chlorine amount is relevant in the whole section of membranes and that the chlorine concentration increase is balanced by the silicon concentration decrease. Pristine PTMSP and chlorinated PMSTP vibrational spectra allow to suppose that in the macromolecule “special sites” are present which may be preferentially attacked by chlorine. A chlorination reaction scheme is given here.
Bibliography:	ark:/67375/TPS-MRV4NMPG-1 istex:07046DD9317659DA9A1931F946280F84C649B573
ISSN:	0024-9297 1520-5835
DOI:	10.1021/ma990479j