文章摘要
Analysis of Composition and Formulation of EPDM Compound
Received:December 13, 2022  Revised:December 13, 2022
DOI：10.12136/j.issn.1000-890X.2024.08.0624
Key Words: EPDM；compound；composition；formulation；testing and analysis
Author NameAffiliationE-mail
WU Wenning College of Chemistry,Chemical Engineering and Materials Science,Soochow University 1979405434@qq.com 
ZHANG Wenhao College of Chemistry,Chemical Engineering and Materials Science,Soochow University  
WANG Sheng College of Chemistry,Chemical Engineering and Materials Science,Soochow University  
LU Chenghua Su Zhou Hua Dong Rubber Industrial CO,Ltd  
SUN Ziyuan Su Zhou Hua Dong Rubber Industrial CO,Ltd  
LI Xiaohong College of Chemistry,Chemical Engineering and Materials Science,Soochow University  
TU Yingfeng* College of Chemistry,Chemical Engineering and Materials Science,Soochow University tuyingfeng@suda.edu.cn 
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Abstract:
      The components of ethylene-propylene-diene rubber（EPDM） compound were separated and it formulation was analyzed. EPDM compound was dissolved in n-hexane to separate its organic and inorganic components. The organic components were precipitated in methanol and extracted with dichloromethane to separate EPDM from paraffin oil. The inorganic components were dissolved in hydrochloric acid to separate carbonate and zinc oxide from silica. The nuclear magnetic resonance hydrogen spectroscopy，nuclear magnetic resonance diffusion ordered spectroscopy，Fourier transform infrared spectroscopy，X-ray diffraction spectrum and X-ray photoelectron spectroscopy were used to qualitatively and quantitatively analyze each component，and a set of analysis method for the components of EPDM compound was established，which was helpful for quality monitoring in the production process of EPDM compound and its formulation improvement.
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