Preparation of attapulgite carriers with different pore structures and their effects on thermophysical properties of composite phase change materials
Wang, Yi1; Qin, Ziyi1; Guo, Pengran2; Li, Yong1; Zhang, Ting1
2019-10
Source PublicationAIP ADVANCES
Volume9Issue:10
AbstractIn this research, attapulgite was used as the carrier base materials for adsorbing phase change materials. By introducing isocyanate (-NCO) and different amino (-NH2) functional groups, ATP was chemically grafted. A series of porous ATP carriers with different pore structures were constructed based on the reactions between functional groups. The composite phase change materials of different ATP porous carriers were prepared by using stearic acid as phase change material. The TEM, FTIR, XPS, XRD, BET, TG and DSC were used to characterize the morphology, chemical structure and thermophysical properties of the prepared samples. The TEM results showed that the ATP carriers demonstrated favourable porous structure. The results of FTIR, XPS and XRD revealed that the characteristic functional groups isocyanate and amino formed joint molecules successfully, and a dealcoholization condensation reaction took place between the ethoxy groups and silicon hydroxyl on the surface of the ATP. Particularly, according to the characterization results, the enthalpy value of the CPCM reduced with the decrease of the pore size of the ATP carriers, it can also be found that the phase transition temperature of the CPCM declined as long as the pore size of the ATP carriers decreased. (c) 2019 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
DOI10.1063/1.5124128
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51562023] ; Funding of Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals[KF2018001]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000496806000085
PublisherAMER INST PHYSICS
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64147
Collection石油化工学院
Corresponding AuthorWang, Yi
Affiliation1.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Gansu, Peoples R China
2.Guangdong Inst Anal, Guangdong Engn Technol Res Ctr On Line Monitoring, Guangdong Prov Key Lab Emergency Test Dangerous C, Guangzhou 510070, Guangdong, Peoples R China
First Author AffilicationColl Petrochem Engn
Corresponding Author AffilicationColl Petrochem Engn
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Wang, Yi,Qin, Ziyi,Guo, Pengran,et al. Preparation of attapulgite carriers with different pore structures and their effects on thermophysical properties of composite phase change materials[J]. AIP ADVANCES,2019,9(10).
APA Wang, Yi,Qin, Ziyi,Guo, Pengran,Li, Yong,&Zhang, Ting.(2019).Preparation of attapulgite carriers with different pore structures and their effects on thermophysical properties of composite phase change materials.AIP ADVANCES,9(10).
MLA Wang, Yi,et al."Preparation of attapulgite carriers with different pore structures and their effects on thermophysical properties of composite phase change materials".AIP ADVANCES 9.10(2019).
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