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Amide-Functionalized Ionic Liquids As Curing Agents for Epoxy Resin: Preparation, Characterization, and Curing Behaviors with TDE-85
Liu, Long1,3; Gao, Sheng1,2; Jiang, Zhiyi1,4; Zhang, Yanqiang1; Gui, Dayong2; Zhang, Suojiang1
2019-08-07
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume58Issue:31Pages:14088-14097
Abstract

A series of amide-functionalized ionic liquids (ILs), e.g., 1-R-3-(2-amino-2-oxoethyl)-imidazolium (R = -vinyl,-methyl-butyl) cations combined with Cl-, N(CN)2(-), or NTf2- anions, were synthesized and fully characterized as curing agent for diglycidy1-4,5-epoxy-cyclohexane-1,2-dicarboxylate (TDE-85). Studies of curing behaviors showed that lLs with N(CN)(2)(-) anions exhibit moderate curing conditions. As to thermosets of TDE-85 cured by these curing agents, their tensile strength (95.1-111.7 MPa) and elongation at break (2.69 to 4.20%) are significantly improved compared with the traditional curing systems of DDS/TDE-85 (DDS, 4,4'-diamino diphenyl sulphone). These thermosets also exhibit good thermal mechanical properties with the glass transition temperature (T-g) > 200 degrees C and thermal degradation temperature (T-d) > 300 degrees C. The possible mechanisms of curing reactions were analyzed by using IR, and results indicated that curing reactions of TDE-85 with amide-functionalized ionic liquids may include three steps, -NH2 groups reacted with oxirane at lower temperatures, and then the anions further participated in the reaction to strengthen the cross-linking networks. This study provides informative guidelines for designing new curing agents.

DOI10.1021/acs.iecr.9b01888
Language英语
WOS KeywordMechanical-properties ; Structural Characteristics ; Kinetics ; Polymerization ; Composites ; Salts ; Dds
Funding ProjectNational Natural Science Foundation of China[21676281] ; National Natural Science Foundation of China[21576270] ; National Natural Science Foundation of China[21878278] ; Beijing Natural Science Foundation[2192054] ; Natural Science Foundation of Guangdong Province of China[2017A030313322]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Beijing Natural Science Foundation ; Natural Science Foundation of Guangdong Province of China
WOS IDWOS:000480496100028
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30611
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Long; Gui, Dayong; Zhang, Suojiang
Affiliation1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, Beijing 100190, Peoples R China
2.Shenzhen Univ, Coll Chem & Environm Engn, Shenzhen 518055, Peoples R China
3.Zhongke Langfang Inst Proc Engn, Langfang 065001, Peoples R China
4.China Univ Petr, Sch Chem Engn & Environm, Beijing 102249, Peoples R China
Recommended Citation
GB/T 7714
Liu, Long,Gao, Sheng,Jiang, Zhiyi,et al. Amide-Functionalized Ionic Liquids As Curing Agents for Epoxy Resin: Preparation, Characterization, and Curing Behaviors with TDE-85[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2019,58(31):14088-14097.
APA Liu, Long,Gao, Sheng,Jiang, Zhiyi,Zhang, Yanqiang,Gui, Dayong,&Zhang, Suojiang.(2019).Amide-Functionalized Ionic Liquids As Curing Agents for Epoxy Resin: Preparation, Characterization, and Curing Behaviors with TDE-85.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,58(31),14088-14097.
MLA Liu, Long,et al."Amide-Functionalized Ionic Liquids As Curing Agents for Epoxy Resin: Preparation, Characterization, and Curing Behaviors with TDE-85".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 58.31(2019):14088-14097.
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