Ys. Gal et al., Double ring-forming cyclopolymerization of tripropargylammonium salts by transition metal catalysts, J MACR S PU, A36(3), 1999, pp. 429-448
Citations number
35
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY
Double ring-forming cyclopolymerization of tripropargylammonium monomers ha
ving three polymerizable acetylene functionalities in the same monomer was
carried out by various transition metal catalysts such as MoCl5-EtAlCl2, WC
l6-EtAlCl2, PdCl2, PtCl2, RuCl3, etc. In general, the polymerization procee
ded well to give a relatively high yield of polymers. Poly(tri-propargylamm
onium tosylate) and poly(tripropargyl-ammonium tetraphenylborate), having b
ulky counter anions such as tosylate and tetraphenylborate, were generally
soluble in such organic solvents as DMF, DMSO, and formic acid, whereas the
poly(tripropargylammonium bromide) having Br- as counter anion was insolub
le in any organic solvents. The instrumental analyses shows that the result
ing poly(tripropargylammonium salt)s have a highly conjugated polymer backb
one system having such counter ions as bromide, tosylate, and tetraphenylbo
rate. Thermal and morphological properties of the polymers were also studie
d by TGA/DSC and X-ray diffraction analytical method.