Previous studies have shown that the self-healing properties of modified polydimethylsiloxane (PDMS) elastomer are primarily attributed to hydrogen bonding with modified silica. The addition of modified silica can improve the tensile strength of the PDMS matrix, as the modified silica and modified PDMS blend groups generate more hydrogen bonding interactions, resulting in better self-healing properties. However, as the proportion of silica in the system gradually increases, the rigid particles cause a slight decrease in the tensile property of the material. Consequently, it is crucial to strike a balance between the desired mechanical properties and the self-healing capabilities when investigating this subject matter.

中文翻译：

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热塑性有机硅弹性体的合成制备及自修复和力学性能的分子动力学模拟


先前的研究表明，改性聚二甲基硅氧烷（PDMS）弹性体的自修复性能主要归因于与改性二氧化硅的氢键作用。添加改性二氧化硅可以提高PDMS基质的拉伸强度，因为改性二氧化硅和改性PDMS共混基团产生更多的氢键相互作用，从而产生更好的自修复性能。但随着体系中二氧化硅比例的逐渐增加，刚性颗粒导致材料的拉伸性能略有下降。因此，在研究这一主题时，在所需的机械性能和自愈能力之间取得平衡至关重要。