Synthesis and characterization of spherical calcite CaCO3 compound in the presence of amphiphilic block copolymer(球形纳米复合方解石型碳酸钙的合成及表征)

采用两亲嵌段共聚物聚丙烯酸-苯乙烯(PS-b-PAA)水溶液为介质合成了球形碳酸钙复合物,球形直径约3~4 µm,由纳米级方解石微粒通过PS-b-PAA的有机键合紧密团聚而成.通过电镜、XRD、IR和差热热重分析复合物的微晶结构性质表明,复合物中有机质质量分数约为14%;其中的方解石微晶约几十纳米,较之普通碳酸钙晶体有更大的晶格畸变;热分解行为提前约15 ℃,红外v3吸收蓝移约10 cm-1....

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Bibliographic Details
Main Authors: JINYi-ping(金一平), JINDa-lai(金达菜), YUELin-hai(岳林海)
Format: Article
Language:zho
Published: Zhejiang University Press 2007-01-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/zjup/1008-9497.2007.34.1.66-70