Liu Yanxia, Chen Yidan, Zhang Yagang, Chen Yurong, Wang Lulu, Zan Xingjie, Zhang Letao
Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China.
University of Chinese Academy of Sciences, Beijing 100049, China.
Polymers (Basel). 2020 Sep 18;12(9):2127. doi: 10.3390/polym12092127.
Excess sulfur has become a global problem in petrochemical industry. Inexpensive and easily available cottonseed oil (CSO) is still underutilized. To resolve these issues, bio-based polysulfide composites were prepared via inverse vulcanization of sulfur and CSO. The density of polysulfide composites was adjusted by fillers. The results showed that Elm and cattail as the fillers had no effects on the thermal properties and chemical structures of polysulfide composites. However, the morphologies of polysulfide composites were significantly influenced by the fillers. Different types and amounts of fillers produced significantly different holes and folds in the composites. The fillers were embedded in polysulfide composites by physical filling. This study provides an alternative and promising approach for preparing affordable density-adjustable bio-based polysulfide composite.
过量硫已成为石化行业的一个全球性问题。价格低廉且易于获取的棉籽油（CSO）仍未得到充分利用。为了解决这些问题，通过硫与CSO的反向硫化制备了生物基多硫化物复合材料。多硫化物复合材料的密度通过填料进行调节。结果表明，榆树和香蒲作为填料对多硫化物复合材料的热性能和化学结构没有影响。然而，填料对多硫化物复合材料的形态有显著影响。不同类型和数量的填料在复合材料中产生了明显不同的孔洞和褶皱。填料通过物理填充嵌入多硫化物复合材料中。本研究为制备价格合理、密度可调的生物基多硫化物复合材料提供了一种替代且有前景的方法。
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