典型文献
Epoxy microcapsules for high-performance self-healing materials using a novel method via integrating electrospraying and interfacial polymerization
文献摘要：
The high-efficiency fabrication of high-quality microcapsules containing epoxy is crucial to the further development of the potential practical self-healing epoxy systems based on microencapsulated two-part epoxy-amine chemistry.Herein,a novel microencapsulation technique based on non-equilibrium droplets via integrating electrospraying and interfacial polymerization(ES-IP)was established to efficiently mi-croencapsulate epoxy monomers.The ES-IP technique,consisting of three continuous steps,i.e.elec-trospraying to massively generate droplets,enwrapping every single droplet through instant interfacial polymerization,and thickening shell at an elevated temperature,has great flexibility to regulate the mi-croencapsulation process and the microcapsule quality.The fabricated core-shell structured epoxy mi-crocapsules(Ep-MCs)were comprehensively characterized for their properties,showing that they have high cleanness with rare impurities,controllable and tunable size,good thermal stability and tightness,and high effective core fraction.The high-quality Ep-MCs were adopted to formulate a self-healing epoxy based on the microencapsulated epoxy-amine chemistry.The highest healing efficiency,in terms of the recovered mode I fracture toughness,of 110±17％was achieved after being healed at room tempera-ture(～25℃)for 48 h.While the developed ES-IP technique facilitates the microencapsulation technique based on non-equilibrium droplets,the fabricated high-quality Ep-MCs greatly promote the further de-velopments of the practical self-healing materials.
文献关键词：
中图分类号：
作者姓名：
He Zhang;Kaibin Xiao;Zhilin Lin;Shengyu Shi
作者机构：
Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing,South China University of Technology,Guangzhou 510641,China;National Engineering Research Center of Novel Equipment for Polymer Processing,Key Laboratory of Polymer Processing Engineering(SCUT),Ministry of Education,South China University of Technology,Guangzhou 510641,China
文献出处：
引用格式：
[1]He Zhang;Kaibin Xiao;Zhilin Lin;Shengyu Shi-.Epoxy microcapsules for high-performance self-healing materials using a novel method via integrating electrospraying and interfacial polymerization)[J].材料科学技术（英文版）,2022(17):59-67
A类：
electrospraying,croencapsulate,trospraying,enwrapping,croencapsulation,crocapsules,cleanness,velopments
B类：
Epoxy,microcapsules,performance,self,healing,materials,using,novel,method,via,integrating,interfacial,polymerization,efficiency,fabrication,quality,containing,epoxy,crucial,further,development,potential,practical,systems,microencapsulated,two,part,amine,chemistry,Herein,microencapsulation,technique,equilibrium,droplets,ES,was,established,efficiently,monomers,consisting,three,continuous,steps,massively,generate,every,single,through,instant,thickening,shell,elevated,temperature,has,flexibility,regulate,process,fabricated,core,structured,MCs,were,comprehensively,characterized,their,properties,showing,that,they,have,rare,impurities,controllable,tunable,size,good,thermal,stability,tightness,effective,fraction,adopted,formulate,highest,terms,recovered,mode,fracture,toughness,achieved,after,being,healed,room,While,developed,facilitates,greatly,promote
AB值：
0.46255
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