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Title: Effect of Poly(acrylic acid) End-Group Functionality on Inhibition of Calcium Oxalate Crystal Growth
Contributor(s): Wallace, Andrew  (author); Al-Hamzah, Ali (author); East, Christopher (author); Doherty, William Orlando Sinclair (author); Fellows, Christopher  (author)orcid 
Publication Date: 2009
DOI: 10.1002/app.31657
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Abstract: A number of series of poly(acrylic acids)(PAA) of differing end-groups and molecular weights prepared using atom transfer radical polymerization were used as inhibitors for the crystallization of calcium oxalate at 23 and 80°C. As measured by turbidimetry and conductivity and as expected from previous reports, all PAA series were most effective for inhibition of crystallization at molecular weights of 1500–4000. However, the extent of inhibition was in general strongly dependent on the hydrophobicity and molecular weight of the end-group. These results may be explicable in terms of adsorption/desorption of PAA to growth sites on crystallites. The overall effectiveness of the series didn’t follow a simple trend with end-group hydrophobicity, suggesting self-assembly behavior or a balance between adsorption and desorption rates to crystallite surfaces may be critical in the mechanism of inhibition of calcium oxalate crystallization.
Publication Type: Journal Article
Source of Publication: Journal of Applied Polymer Science, 116(2), p. 1165-1171
Publisher: John Wiley & Sons Inc
Place of Publication: United States of America
ISSN: 1097-4628
Field of Research (FOR): 030399 Macromolecular and Materials Chemistry not elsewhere classified
030603 Colloid and Surface Chemistry
030299 Inorganic Chemistry not elsewhere classified
Socio-Economic Outcome Codes: 820304 Sugar
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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