Ionic liquid and magnesium hydrate incorporated conjugated microporous polymers nanotubes with superior flame retardancy and thermal insulation
Zhu, Zhaoqi; Wu, Shujuan; Liu, Chao; Mu, Peng; Su, Yanning; Sun, Hanxue; Liang, Weidong; Li, An
2020-04-24
Source PublicationPOLYMER
ISSN0032-3861
Volume194
AbstractThe development of efficient thermal insulation materials with better flame-retardant property is of great importance for thermal energy saving in many aspects. Herein, we report the preparation of monolithic conjugated microporous polymers nanotubes (M-CMPsN) by Pd (0)/Cu I catalytic Sonogashira - Hagihara crosscoupling reaction using 1,3,5-triethynylbenzene and 2,4,6-tribromoaniline as building blocks. The M-CMPsN samples exhibit excellent mechanical property with a compressive strength of 92 kPa at 70% stain. Taking advantage of their abundant porosity, the M-CMPsN samples show superior thermal insulation with a low thermal conductivity of 0.03 W m(-1) k(-1) in air. The N-rich feature of the M-CMPsN also endows them better flame retardancy. To further enhance their flame retardant property, the incorporation of Mg(OH)(2) and ionic liquid into M-CMPsN was performed and the results show that flame retardancy of the treated M-CMPsN samples could be significantly improved, e.g. its peak heat release rate (pHRR) value is only one fifth of that of the untreated M-CMPsN, making them promising candidates as thermal insulation and flame retardant coating materials with great potentials for thermal energy saving applications.
KeywordF-containing ionic liquid Conjugated microporous polymer Flame retardancy
DOI10.1016/j.polymer.2020.122387
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[21975113][51962018][51663012] ; Project of Collaborative Innovation Team, Gansu Province, China[052005] ; Innovation and Entrepreneurship Talent Project of Lanzhou[2017-RC-33]
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000526116000013
PublisherELSEVIER SCI LTD
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/76650
Collection石油化工学院
Corresponding AuthorLi, An
AffiliationLanzhou Univ Technol, Coll Petrochem Technol, Langongping Rd 287, Lanzhou 730050, Peoples R China
First Author AffilicationColl Petrochem Engn
Corresponding Author AffilicationColl Petrochem Engn
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Zhu, Zhaoqi,Wu, Shujuan,Liu, Chao,et al. Ionic liquid and magnesium hydrate incorporated conjugated microporous polymers nanotubes with superior flame retardancy and thermal insulation[J]. POLYMER,2020,194.
APA Zhu, Zhaoqi.,Wu, Shujuan.,Liu, Chao.,Mu, Peng.,Su, Yanning.,...&Li, An.(2020).Ionic liquid and magnesium hydrate incorporated conjugated microporous polymers nanotubes with superior flame retardancy and thermal insulation.POLYMER,194.
MLA Zhu, Zhaoqi,et al."Ionic liquid and magnesium hydrate incorporated conjugated microporous polymers nanotubes with superior flame retardancy and thermal insulation".POLYMER 194(2020).
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