文章摘要
Synthesis of Hyperbranched Silicone Oil and Its Effect on Properties of Phenyl Silicone Rubber
Received:June 13, 2019  Revised:June 13, 2019
DOI：10.12136/j.issn.1000-890X.2019.9.0643
Key Words: hyperbranched silicone oil；phenyl silicone rubber；thermal stability；rheological property； dynamic mechanical property
Author NameAffiliationE-mail
ZHAO Jiaxin Shandong University jiaxin_zhao@outlook.com 
GUAN Ruifang University of Jinan  
HU Ge Shandong University  
WU Junling Shandong University  
ZHOU Chuan-jian* Shandong University zhouchuanjian@sdu.edu.cn 
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Abstract:
      In this study，hyperbranched silicone oil was prepared by Piers-Rubinsztajn reaction in one potand using lab-made single hydroxyl terminated dimethyl silicone oil and low hydrogen silicone oil as raw materials. The structure and properties of the hyperbranched silicone oil were analyzed，and its influence on the properties of phenyl silicone rubber with medium phenyl content was studied. The results showed that hyperbranched silicone oil had good thermal stability and its rheological properties were close to Newtonian fluids. Hyperbranched silicone oil had internal plasticizing effect，and could improve the elasticity of phenyl silicone rubber and reduce the dynamic loss.
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