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改性纳米CaCO3复合粒子的制备、表征及性能.pdf

发布:2017-06-09约1.98万字共4页下载文档
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第37卷 增刊2 稀有金属材料与工程 V01.37,Suppl.2 2008年 5月 RAREMEl=久LMATERIAI,SANDENG小EERD4G 2008 May andCharacterizationofNano Preparation CaC03 ModifiedwithSilicaSoland ofIts Study YangDongya,QiuFengxian,ZhuFuhong,WuDongmei,ZhangQinqin and Chemical (SchoolofChemistry Engineering,JiangsuUniversity,Zhenjiang21013,China) Abstract:Thestablenanosilicasolmodifiedllano was meansof methodwith CaC03aqueousdispersionpreparedby sol-gel thetreatmentofultrasonic.The andTGAwereusedto the effectofnanosilicasol FTIRTEM,Zeta potential analyzehybrid size nano were andllanoCaC03.Theand ofthemodifiedCaC03 studied,the stabilityparticle aqueousdispersion covering andthe themodifiednano effectbetweenthetwonano heatresistanceof CaC03were particles nanoCaC03 withsolidcontentof30%was in—situ polyurethanurea(pvv)/modifiedhybridaqueousdispersion preparedby PUUwiththemodifiednano resultshowedthatthemodifiednano dispersing CaC03aqueousdispersion.The CaC03 possessed inthe PUU andthemechanical ofthePUUfilmsw翻teenhanced gooddispersityhybriddispersion properties themodifiedllano withthe of CaC03.
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