Strong,Removable,and Photoluminescent Hyperbranched Polyamide-amine Hot Melt Adhesive  

作　　者：Si-Jia Zhang Xing-Xing Chen Chen-Hui Cui Li Ma Qian-Yun Zhong Kai-Xiang Shen Jing Yu Zhen Li You-Shen Wu Qiang Zhang Yi-Long Cheng Ling He Yan-Feng Zhang 

机构地区：[1]School of Chemistry and Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter and State Key Lab for Strength and Vibration of Mechanical Structures,Xi'an Jiaotong University,Xi'an 710049,China

出　　处：《Chinese Journal of Polymer Science》2021年第10期1319-1327,I0008,共10页高分子科学（英文版）

基　　金：supported by the National Natural Science Foundation of China(Nos.51873170 and 11732012);the National Key R&D Program of China(No.2019YFA0706801);the Key Laboratory Construction Program of Xi'an Science and Technology Bureau(No.201805056ZD7CG40);the One Hundred Talents Program of Shaanxi Province and Shaanxi International Science and Technology Cooperation Program Project(No.2020KW-062)。

摘　　要：The development of adhesive technology is gaining increasing attention in machinery,electronics,aviation,and other fields.However,traditional adhesives are difficult to be peeled and removed after cross-linking and curing due to the limited solubility in common solvents,which causes pollution and damage to the surface of the adherend.In this work,we synthesized random hyperbranched polyamide-amine hot melt adhesives through Michael addition of 1,8-octanediamine and N,N’-methylene diacrylamide(ODA-RHP HMA).Owing to the presence of various polar groups,ODA-RHP HMA exhibited robust lap shear strength to different substrates,including glass(6.6 MPa),ceramics(10.3 MPa),steel(11.5 MPa),and aluminum(11.8 MPa).Due to the hydrogen bonds in ODA-RHP,the HMA demonstrated intrinsic self-healing ability,which can be used repeatedly when being subjected to cyclic heating and cooling.Since ODA-RHP HMA can be swollen or dissolved in ethanol,the adhesives can be easily removed through erasing.In addition,ODA-RHP exhibited aggregation-induced luminescence due to the tertiary amine structure in the molecular structure of ODA-RHP,which can be used in the field of cultural relics restoration.

关 键 词：Hot melt adhesive Polyamide-amine REUSABILITY Cultural relics restoration 

分 类 号：TQ436.4[化学工程]