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Spatially resolved photopolymerization kinetics and oxygen inhibition in dental adhesives

Paper ID Volume ID Publish Year Pages File Format Full-Text
12373 791 2005 9 PDF Available
Title
Spatially resolved photopolymerization kinetics and oxygen inhibition in dental adhesives
Abstract

A comparative study of three commercial dental adhesives was performed by 1H nuclear magnetic resonance spectroscopy and Stray-Field magnetic resonance imaging. Spectroscopic evidence was found for the presence of solvent and unreacted methacrylate groups in photopolymerized adhesives. Spatially resolved photopolymerization kinetics and volumetric contraction (solvent evaporation and polymerization shrinkage) were obtained without solvent removal and in the presence of oxygen from the atmosphere. The oxygen and solvent inhibitor effects in the photopolymerization were found to be higher for water/ethanol based adhesives. However, was one of these adhesives that exhibited less spatially dependent irradiation time to start vitrification, higher concentration and a more uniform spatial distribution of rigid domains at the end of the photopolymerization.

Keywords
Dental adhesive; Photopolimerization kinetics; Oxygen inhibition; Volumetric contraction
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Spatially resolved photopolymerization kinetics and oxygen inhibition in dental adhesives
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 26, Issue 14, May 2005, Pages 1809–1817
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us