Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride

Zhi-liang Wang; Jia-li Xu; Qian Yuan; Mahmoud H.M.A. Shibraen; Jian Xu; Shu-guang Yang

doi:10.1007/s10118-016-1764-x

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Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride

Updated：2021-06-21

- Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride
- Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride
- Chinese Journal of Polymer Science 2016年34卷第4期页码：399-406
- Affiliations：
  
  a.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China
  b.Lab of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Author bio：
  
  **Shu-guang Yang (杨曙光), E-mail: shgyang@dhu.edu.cn
- Funds：
  
  the National Natural Science Foundation of China(51373032);Innovation Program of Shanghai Municipal Education Commission, and Fundamental Research Funds for the Central University and DHU Distinguished Young Professor Program. Z. W. thanks financial support from Chinese Universities Scientific Fund(CUSF-DH-D-2014025)
- DOI：10.1007/s10118-016-1764-x
  中图分类号：
- 收稿：2015-09-17，
  
  修回：2015-11-05，
  
  录用：2015-12-05，
  
  纸质出版：2016-04
- Accepted：
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Zhi-liang Wang, Jia-li Xu, Qian Yuan, 等. Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride[J]. Chinese Journal of Polymer Science, 2016,34(4):399-406.

Zhi-liang Wang, Jia-li Xu, Qian Yuan, et al. Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride[J]. Chinese Journal of Polymer Science, 2016, 34(4): 399-406.
Zhi-liang Wang, Jia-li Xu, Qian Yuan, 等. Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride[J]. Chinese Journal of Polymer Science, 2016,34(4):399-406. DOI： 10.1007/s10118-016-1764-x.

Zhi-liang Wang, Jia-li Xu, Qian Yuan, et al. Hydrothermal Treatment of Polyamide 6 with Presence of Lanthanum Chloride[J]. Chinese Journal of Polymer Science, 2016, 34(4): 399-406. DOI： 10.1007/s10118-016-1764-x.

摘要

Abstract

Hydrothermal processing of polyamide 6 (PA6) with the presence of lanthanum chloride (LaCl

) was studied in the temperature region from 160 °C to 250 °C. PA6 will be dissolved in the superheated water when temperature is above 160 °C. And as PA6 is dissolved

hydrolysis will happen

which makes PA6 chains degrade. By adding LaCl

in the hydrothermal environment

the PA6 hydrolysis will intensify

especially when the hydrothermal temperature is higher than 200 °C. When the hydrothermal system cools down

the hydrolyzed PA6 segments will crystallize from the solution or remain dissolved in the solution depending on molecular weight. In addition

the hydrolyzed compound of LaCl

would affect the crystallization of PA6 segments with proper size

and

phase would be presented.

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