Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride)
The traditional methods for preparing magnesium aluminum layered double hydrotalcite (Mg<sub>2</sub>Al-CO<sub>3</sub>LDHs) in industry include coprecipitation and hydrothermal methods. Both these methods have the disadvantages of high preparation cost and complicated water wa...
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2020-11-01
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| author | Yinan Jiang Zhanhong Yang Qingsong Su Linlin Chen Jian Wu Jinlei Meng |
| author_facet | Yinan Jiang Zhanhong Yang Qingsong Su Linlin Chen Jian Wu Jinlei Meng |
| author_sort | Yinan Jiang |
| collection | DOAJ |
| description | The traditional methods for preparing magnesium aluminum layered double hydrotalcite (Mg<sub>2</sub>Al-CO<sub>3</sub>LDHs) in industry include coprecipitation and hydrothermal methods. Both these methods have the disadvantages of high preparation cost and complicated water washing process. Using Mg(OH)<sub>2</sub>, Al(OH)<sub>3</sub>, and CO<sub>2</sub> as raw materials in this work, the Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs are successfully prepared by mechanochemical method, which solves the shortcomings of traditional preparation method and realizes the conversion and utilization of CO<sub>2</sub> resource. The prepared Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs are evaluated as a heat stabilizer in poly(vinyl chloride) (PVC). The result indicates that, when 2.4 phr Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs, 0.3 phr ZnSt<sub>2</sub>, and 0.3 phr of zinc acetylacetonate are added to the PVC, the thermal stability time of PVC can reach 190 min, which is better than PVC containing commercial Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs. Meanwhile, its processing performance is basically the same as the PVC containing commercial Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs. |
| first_indexed | 2024-03-10T14:44:36Z |
| format | Article |
| id | doaj.art-2ade8388ea5549a286c53338609ddd6a |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T14:44:36Z |
| publishDate | 2020-11-01 |
| publisher | MDPI AG |
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| series | Materials |
| spelling | doaj.art-2ade8388ea5549a286c53338609ddd6a2023-11-20T21:30:08ZengMDPI AGMaterials1996-19442020-11-011322522310.3390/ma13225223Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride)Yinan Jiang0Zhanhong Yang1Qingsong Su2Linlin Chen3Jian Wu4Jinlei Meng5Institute of Chemical Power and Materials, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, ChinaInstitute of Chemical Power and Materials, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, ChinaInstitute of Chemical Power and Materials, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, ChinaInstitute of Chemical Power and Materials, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, ChinaInstitute of Chemical Power and Materials, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, ChinaInstitute of Chemical Power and Materials, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, ChinaThe traditional methods for preparing magnesium aluminum layered double hydrotalcite (Mg<sub>2</sub>Al-CO<sub>3</sub>LDHs) in industry include coprecipitation and hydrothermal methods. Both these methods have the disadvantages of high preparation cost and complicated water washing process. Using Mg(OH)<sub>2</sub>, Al(OH)<sub>3</sub>, and CO<sub>2</sub> as raw materials in this work, the Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs are successfully prepared by mechanochemical method, which solves the shortcomings of traditional preparation method and realizes the conversion and utilization of CO<sub>2</sub> resource. The prepared Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs are evaluated as a heat stabilizer in poly(vinyl chloride) (PVC). The result indicates that, when 2.4 phr Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs, 0.3 phr ZnSt<sub>2</sub>, and 0.3 phr of zinc acetylacetonate are added to the PVC, the thermal stability time of PVC can reach 190 min, which is better than PVC containing commercial Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs. Meanwhile, its processing performance is basically the same as the PVC containing commercial Mg<sub>2</sub>Al-CO<sub>3</sub> LDHs.https://www.mdpi.com/1996-1944/13/22/5223poly(vinyl chloride)magnesium-aluminum layered double hydroxidecarbon dioxidemechanochemical methodthermal stability |
| spellingShingle | Yinan Jiang Zhanhong Yang Qingsong Su Linlin Chen Jian Wu Jinlei Meng Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride) Materials poly(vinyl chloride) magnesium-aluminum layered double hydroxide carbon dioxide mechanochemical method thermal stability |
| title | Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride) |
| title_full | Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride) |
| title_fullStr | Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride) |
| title_full_unstemmed | Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride) |
| title_short | Preparation of Magnesium-Aluminum Hydrotalcite by Mechanochemical Method and Its Application as Heat Stabilizer in poly(vinyl chloride) |
| title_sort | preparation of magnesium aluminum hydrotalcite by mechanochemical method and its application as heat stabilizer in poly vinyl chloride |
| topic | poly(vinyl chloride) magnesium-aluminum layered double hydroxide carbon dioxide mechanochemical method thermal stability |
| url | https://www.mdpi.com/1996-1944/13/22/5223 |
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