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.

引用

页数：7

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