[1] Liu Xunjun, Zhang Yuchao, Wang Juan, Lei Lixu, et al. Synthesis and characterization of colored layered double hydroxidesfor thermal stabilizer [J]. Journal of Southeast University (English Edition), 2015, 31 (4): 566-571. [doi:10.3969/j.issn.1003-7985.2015.04.023]

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Synthesis and characterization of colored layered double hydroxidesfor thermal stabilizer()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

31

Issue:

2015 4

Page:

566-571

Research Field:

Chemistry and Chemical Engineering

Publishing date:

2015-12-30

Info

Title:

Synthesis and characterization of colored layered double hydroxidesfor thermal stabilizer

Author(s):

Liu Xunjun;  Zhang Yuchao;  Wang Juan;  Lei Lixu

School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China

Keywords:

colored layered double hydroxides;  magnesium hydroxide;  ferric chloride;  chromic chloride;  thermal stabilizer;  polyvinyl chloride

PACS:

TQ047

DOI:

10.3969/j.issn.1003-7985.2015.04.023

Abstract:

Colored layered double hydroxides(LDHs)can be synthesized by introducing colored cations such as Fe³⁺ and Cr³⁺, which can be used as thermal stabilizers for polyvinyl chloride(PVC). The yellowish Mg/Fe and bluish Mg/Cr LDHs are prepared by the co-precipitation method. The results show that the Mg₃Cr_-CO₃ and Mg₃Fe_-CO₃ colored layered double hydroxides can stabilize PVC for more than 30 min under the thermal aging temperature of 180 ℃. The preparation can use cheap Mg(OH)₂ instead of MgCl₂, which produces a much smaller amount of the by-product NH₄Cl. It is known that NH₄Cl is a cheap fertilizer that is difficult to sell; therefore, the preparation is much greener and more economic than the one using magnesium salt.

References:

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Memo

Memo:

Biographies: Liu Xunjun(1988—), male, graduate; Lei Lixu(corresponding author), male, doctor, professor, lixu.lei@seu.edu.cn.
Foundation items: The Fundamental Research Funds for the Central Universities, the Scientific Innovation Research of College Graduates in Jiangsu Province(No.CXLX12_-0105), the Analysis and Test Fund of Southeast University(No.201226).
Citation: Liu Xunjun, Zhang Yuchao, Wang Juan, et al.Synthesis and characterization of colored layered double hydroxides for thermal stabilizer[J].Journal of Southeast University(English Edition), 2015, 31(4):566-571.[doi:10.3969/j.issn.1003-7985.2015.04.023]

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