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A novel approach of preparing zinc adipate as β-nucleating agent for polypropylene engineering

Published online by Cambridge University Press:  20 September 2019

Wenli Peng ,
Wenxia Liu ,
Wenxue Zhang ,
Ke Li ,
Xin Liu ,
Zhenbin Chen ,
Zhenghua Tang  and
Zhen Liu Open the ORCID record for Zhen Liu [Opens in a new window]
Wenli Peng
Affiliation:
State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou, Gansu 730050, China; and School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou, Gansu 730050, China
Wenxia Liu
Affiliation:
Lanzhou Petrochemical Research Center, PetroChina, Lanzhou, Gansu 730060, China
Wenxue Zhang*
Affiliation:
Lanzhou Petrochemical Research Center, PetroChina, Lanzhou, Gansu 730060, China
Ke Li
Affiliation:
State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou, Gansu 730050, China; and School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou, Gansu 730050, China
Xin Liu
Affiliation:
State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou, Gansu 730050, China; and School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou, Gansu 730050, China
Zhenbin Chen*
Affiliation:
State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou, Gansu 730050, China; and School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou, Gansu 730050, China
Zhenghua Tang
Affiliation:
Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 5100067, China; and Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
Zhen Liu*
Affiliation:
Department of Physics and Engineering, Frostburg State University, Frostburg, Maryland 21532, USA
*
a)Address all correspondence to these authors. e-mail: suiyeyijian@126.com
b)e-mail: zhenbinchen@163.com
c)e-mail: zhenliu8@gmail.com
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Abstract

In this work, two types of zinc adipate β-nucleating agents, Adi-Zn(OH)2 (1:1) and Adi-ZnO (1:1), for polypropylene (PP) were prepared and their performances were evaluated and compared with commercial β-nucleating agent (named CNA). Results showed that Adi-Zn(OH)2 (1:1) was more effective in promoting PP to form β-crystals and improving the impact strength of PP in the range of nucleating agent addition (0–0.4 wt%). Based on these findings, the ratio of adipic acid to zinc hydroxide and the nonisothermal crystallization kinetics of the optimum ratio of adipic acid to zinc hydroxide were systematically studied; results showed that at 0.2 wt%, Adi-Zn(OH)2 (1:2), the nucleated PP displayed the highest impact strength, which was 2.6 times that of pure PP and 42% higher than that of CNA. Besides, Adi-Zn(OH)2 (1:2) could also afford to induce the formation of a high content of β-crystals and shorten the crystallization half time (t1/2) and accelerate the crystallization of PP.

Keywords

polypropylenezinc adipateβ-nucleating agentnon-isothermal crystallization kineticscompositecompound
Type
Article
Information
Journal of Materials Research , Volume 34 , Issue 21 , 14 November 2019 , pp. 3654 - 3665
Copyright
Copyright © Materials Research Society 2019 

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