引用本文:
Xiao Yun Fu, Zheng Ping Fang, Hai Tang Yang, Li Fang Tong. Synthesis and hydrosilation of multi-vinyl branched siloxane for self-healing system[J]. Chinese Chemical Letters,
2008, 19(6): 655-657.
doi:
10.1016/j.cclet.2008.04.015
Citation: Xiao Yun Fu, Zheng Ping Fang, Hai Tang Yang, Li Fang Tong. Synthesis and hydrosilation of multi-vinyl branched siloxane for self-healing system[J]. Chinese Chemical Letters, 2008, 19(6): 655-657. doi: 10.1016/j.cclet.2008.04.015
Citation: Xiao Yun Fu, Zheng Ping Fang, Hai Tang Yang, Li Fang Tong. Synthesis and hydrosilation of multi-vinyl branched siloxane for self-healing system[J]. Chinese Chemical Letters, 2008, 19(6): 655-657. doi: 10.1016/j.cclet.2008.04.015
Synthesis and hydrosilation of multi-vinyl branched siloxane for self-healing system
摘要:
In this work, the preparation of α, ω-dichloride-terminated multi-vinyl branched siloxane 1 (yield:57.1%) used for self-healing polymer composites were synthesized via ring-opening of 1,3,5,7-tetravinyl-1,3,5,7-tetramethyl-cyclotetrasiloxane (D4Vi) in the presence of vinylmethydichlorosilane (VM-32). 1 was hydrogenated by aluminum lithium hydride (LiAlH4) to get self-healing monomer 2 (yield:79.8%) which contained both Si-H bonds and Si-vinyl bonds. Then hydrosilation occurred between these two bands and finally silicone 3 was obtained, showing the potential of self-healing.
English
Synthesis and hydrosilation of multi-vinyl branched siloxane for self-healing system
Abstract:
In this work, the preparation of α, ω-dichloride-terminated multi-vinyl branched siloxane 1 (yield:57.1%) used for self-healing polymer composites were synthesized via ring-opening of 1,3,5,7-tetravinyl-1,3,5,7-tetramethyl-cyclotetrasiloxane (D4Vi) in the presence of vinylmethydichlorosilane (VM-32). 1 was hydrogenated by aluminum lithium hydride (LiAlH4) to get self-healing monomer 2 (yield:79.8%) which contained both Si-H bonds and Si-vinyl bonds. Then hydrosilation occurred between these two bands and finally silicone 3 was obtained, showing the potential of self-healing.
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