{"title":"HYDROXYAPATITE DISPERSION BY PHOSPHONATES, POLYMERS AND PHOSPHONATE/POLYMER BLENDS","authors":"Z. Amjad, A. Kweik","doi":"10.3363/PRB.30.19","DOIUrl":null,"url":null,"abstract":"The dispersion of hydroxyapatite, Ca5(PO4)3OH, HAP, in aqueous systems in the presence of variety of polymers of different composition and ionic charge has been investigated. The dispersion data show that polymer effectiveness as HAP dispersant strongly depends upon polymer architecture. It has been found that phosphonates exhibit poor performance as HAP dispersants. Additionally, it has also been observed that phosphonates exhibit antagonistic effect on the performance of anionic polymeric dispersants. (Received Sep. 30, 2015; Accepted Nov. 30, 2015)","PeriodicalId":20022,"journal":{"name":"Phosphorus Research Bulletin","volume":"92 1","pages":"19-25"},"PeriodicalIF":0.0000,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Phosphorus Research Bulletin","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3363/PRB.30.19","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
The dispersion of hydroxyapatite, Ca5(PO4)3OH, HAP, in aqueous systems in the presence of variety of polymers of different composition and ionic charge has been investigated. The dispersion data show that polymer effectiveness as HAP dispersant strongly depends upon polymer architecture. It has been found that phosphonates exhibit poor performance as HAP dispersants. Additionally, it has also been observed that phosphonates exhibit antagonistic effect on the performance of anionic polymeric dispersants. (Received Sep. 30, 2015; Accepted Nov. 30, 2015)
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