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The pH influence of the yield and properties of photochemically synthesized poly(N-isopropylacrylamide) nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
28138 44061 2007 7 PDF Available
Title
The pH influence of the yield and properties of photochemically synthesized poly(N-isopropylacrylamide) nanoparticles
Abstract

Poly(N-isopropylacrylamide), PNIPAm, nanoparticles (10%, m/m) are prepared from monomer aqueous solutions under the irradiation of UV rays, without initiator and crosslinker addition. H+ plays an important role in the photopolymerization of PNIPAm nanoparticles: it accelerates polymerization, and determines size of the PNIPAm nanoparticles. The pH influence on the yield and properties of PNIPAm nanoparticles is investigated in detail. FTIR, DSC and swelling behaviors of the PNIPAm nanoparticles indicate that they are internally crosslinked macromolecules.

Keywords
pH effect; Poly(N-isopropylacrylamide) nanoparticles; Size controlling; UV rays
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The pH influence of the yield and properties of photochemically synthesized poly(N-isopropylacrylamide) nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 190, Issue 1, 5 July 2007, Pages 15–21
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
Online Support
Any Questions? feel free to contact us