POLYMERIZATION OF CHITOSAN-ACRYLIC SALT FOR USE IN DENTISTRY

Citation
X. Qu et al., POLYMERIZATION OF CHITOSAN-ACRYLIC SALT FOR USE IN DENTISTRY, Journal of macromolecular science. Pure and applied chemistry, A34(5), 1997, pp. 881-899
Citations number
36
Categorie Soggetti
Polymer Sciences
ISSN journal
10601325
Volume
A34
Issue
5
Year of publication
1997
Pages
881 - 899
Database
ISI
SICI code
1060-1325(1997)A34:5<881:POCSFU>2.0.ZU;2-L
Abstract
Polymerization of chitosan-acrylic acid salt (CHI(+-)AA) has been stud ied in the presence of UV irradiation or by heat produced by Nd:YAG la ser radiation. The polymer obtained photochemically, CHI-PAA, is solub le in water or saliva whereas the polymer obtained thermally, poly-CHI -AA, is strongly crosslinked by amide links and is insoluble in both w ater and saliva. Thermal polymerization of CHI(+-)AA allows for its ap plication in the blocking of microchannels in dentin. Crosslinked poly -CHI-AA is much more resistant to enzymatic lysozyme degradation than CHI(+-)AA or CHI.