改性纳米CaCO3复合粒子的制备、表征及性能.pdf
文本预览下载声明
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.
显示全部