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Water-compatible dendritic macrophotoinitiator containing thioxanthone

Paper ID Volume ID Publish Year Pages File Format Full-Text
28538 44080 2006 5 PDF Available
Title
Water-compatible dendritic macrophotoinitiator containing thioxanthone
Abstract

Water-compatible dendritic macrophotoinitiaors containing thioxanthone (TX), DAB-16-TX and DAB-64-TX, were synthesized by introducing a certain amount of TX moieties into the periphery of poly(propylene imine) (PPI). These photoinitiators have the similar UV–vis absorption to thioxanthone. Compared with DAB-16-TX, the fluorescence emission and the lifetime of the excited triplet state for TX in DAB-64-TX decreased, and polymerization rate of acrylamide (AAM) initiated by DAB-64-TX increased. With the increase of water content in the mixed solvent, the fluorescence emission intensity and the lifetime of the triplet state for TX of DAB-64-TX decreased, and the polymerization rate of AAM initiated by DAB-64-TX increased.

Keywords
Water-compatible; Dendritic macrophotoinitiator; Thioxanthone
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 181, Issues 2–3, 31 July 2006, Pages 233–237
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
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