期刊
EUROPEAN POLYMER JOURNAL
卷 48, 期 2, 页码 318-330出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2011.09.020
关键词
Dental adhesives; Synthesis; Hydroxyapatite; Photopolymerization; Adhesion
资金
- Ministere de la Recherche et des Nouvelles Technologies
- CNRS (Centre National de la Recherche Scientifique)
- Region Basse-Normandie
- European Union (FEDER)
Syntheses of novel 5-(methacryloyloxy)pentylphosphonic acid 1, 5-(methacryloyloxy)pentylidenebisphosphonic acid 2 and 1,1-difluoro-5-(methacryloyloxy)pentylphosphonic acid 3 are described. The ability of these monomers to adhere to hydroxyapatite was demonstrated using P-31 CP-MAS NMR spectroscopy. Their copolymerization with N,N '-diethyl-1,3-bis(acrylamido)propane (DEBAAP) was investigated with photo differential scanning calorimetry. These mixtures exhibit a significantly higher reactivity than DEBAAP alone. Bisphosphonic acid 2 was shown to be significantly more reactive than monomers 1 and 3. Adhesive properties of these monomers were also studied. Adhesives based on bisphosphonic acid 2 and difluoromethylphosphonic acid 3 provide significantly higher dentin shear bond strength than the one based on phosphonic acid 1. (C) 2011 Elsevier Ltd. All rights reserved.
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