碳纳米管具有优异的力学、电学、热学和光学性能,将功能化碳纳米管与各种聚合物复合制备水凝胶,可以赋予水凝胶良好的导电性、近红外响应性、pH响应性以及增强的力学性能,同时水凝胶也赋予碳纳米管良好的生物相容性。综述了聚合物-碳纳米管复合水凝胶的制备、微观结构、功能特性及形成机理,并探讨了该研究领域所面临的一些问题及今后的发展方向。
Carbon nanotubes show excellent mechanical,electrical,thermal and optical properties,and functional carbon nanotubes could be incorporated into various polymers to prepare composite hydrogels with good electrical conductivity,near infrared response,pH response as well as significant improvement in mechanical strength.The hydrogels also endow carbon nanotube with good biocompatibility.In this paper,preparation,microstructure,functional properties and formation mechanism of polymer-carbon nanotube composite hydrogels are summarized,and some of the problems faced in this field and the future direction of development are also explored.