Formation and breakage of chain-like in preparation of nano-sized precipitated calcium carbonate

被引：0
|
作者：
Huang, Zhiqin [1 ]
Huang, Yuanzhen [1 ]
Yang, Aimei [1 ]
Ma, Xiuling [1 ]
Zhu, Yong [1 ]
Zhou, Juying [2 ]
Sun, Lixian [3 ,4 ]
Xu, Fen [3 ,4 ]
Wei, Siyue [3 ,4 ]
机构：
[1] Huana New Mat Technol Co Ltd, Nanning 530103, Guangxi, Peoples R China
[2] Guangxi Minzu Univ, Guangxi Collaborat Innovat Ctr Chem & Engn Forest, Key Lab Chem & Engn Forest Prod, Guangxi Key Lab Chem & Engn Forest Prod,State Ethn, Nanning 530006, Peoples R China
[3] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Sch Mat Sci & Engn, Guilin 541004, Peoples R China
[4] Guilin Univ Elect Technol, Guangxi Collaborat Innovat Ctr Struct & Property N, Guilin 541004, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2025年 / 652卷
关键词：
Precipitated calcium carbonate; Fission; Nanofibril-like CaCO3; ORIENTED ATTACHMENT; CACO3; MICROSPHERES; CRYSTALLIZATION; TRANSFORMATION; MORPHOLOGY; ARAGONITE; VATERITE; NANOPARTICLES; NANOCRYSTALS; PARTICLE;
D O I：
10.1016/j.jcrysgro.2024.128010
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Nano-precipitated calcium carbonate (NPCC) exhibits multiple morphologies and unique properties to satisfy various requirements in industry. In this study, monodisperse and cubic NPCC were prepared by a solution mixing method using NaOH, Na2CO3, and CaCl2 as raw materials. The morphology of CaCO3 was controlled by the amount of NaOH in the precipitation process. X-ray diffraction (XRD), and scanning electron microscope (SEM) were employed for characterizations of CaCO3. The formation and the subsequent fission of nanofibril-like CaCO3 played an important role in the stages of NPCC preparation. The effects of pH, Ca2+, and Mg2+ concentration on the fission process were studied. The results indicate that the low pH, low Ca2+, and Mg2+ ions concentrations are beneficial to the fission of nanofibril-like CaCO3, and the correlation mechanism is proposed.
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页数：7
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