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The effect of altering crosslinker chemistry during interfacial polymerization on the performance of nanofiltration membranes for desalination, organic, and micropollutants removal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2025-2036 doi: 10.1007/s11705-023-2356-2

Abstract: Because these crosslinkers differ in their structures and crosslinking mechanisms during interfacialThe 4A-3P-TPC@PSF/PET membrane exhibited extensive crosslinking with aliphatic linear amine, and cationic

Keywords： acid chlorides     covalent crosslinking     desalination     linear aliphatic amine     micropollutant removal    

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Cobalt nanoparticle decorated N-doped carbons derived from a cobalt covalent organic framework for oxygen

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1550-1560 doi: 10.1007/s11705-021-2104-4

Abstract: cobalt nanoparticle decorated N-doped carbons (Co@NC) are synthesized by the pyrolysis of a cobalt covalent

Keywords： cobalt embedment     N-doped carbons     covalent organic framework     oxygen reduction     Zn-air battery    

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Reaction and characterization of crosslinking hyperbranched poly (amine-ester) with succine anhydride

XIAO Ling, WEI Xiuzhen, ZHU Baoku

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 355-359 doi: 10.1007/s11705-007-0064-y

Abstract: Basing on hydroxyl terminated hyperbranched poly (amine-ester)s (HPAEs), the cross-linking reactions and preparation of ester-crosslinked HPAE films were investigated using succine anhydride (SA) as crosslink reagent. It was proved that the cross-linking reaction between HPAE and SA followed a two-step mechanism. This mechanism provides an efficient route to prepare HPAE/SA cross-linked films, in which, the precursor films were prepared by casting HPAE/SA solution at a lower temperature, and then curing the films at a higher temperature. By varying SA content, the solid HPAE/SA films with different cross-linking degrees were prepared successfully. The highest tensile strength of the cross-linked film could reach 59.60 MPa. With all water contact angle smaller than 74.3°, the crosslinked films demonstrated good hydrophilic properties.

Keywords： different cross-linking     amine-ester     temperature     crosslinked     efficient    

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Floret-like Fe–N nanoparticle-embedded porous carbon superstructures from a Fe-covalent triazine polymer

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 525-535 doi: 10.1007/s11705-022-2232-5

Abstract: Herein, we employed Fe-coordinated covalent triazine polymer for the fabrication of Fe–NxPresence of tailored N types within the covalent triazine polymer interwork in high proportions contributes

Keywords： Fe–Nx nanoparticles     hypersaline-confinement conversion     floret-like carbon     covalent    

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Room temperature preparation of hydrazine-linked covalent organic frameworks coated capillaries for

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 548-556 doi: 10.1007/s11705-022-2252-1

Abstract: Covalent organic frameworks (COFs) have been increasingly used in capillary electrochromatography due

Keywords： hydrazine-linked TFPB-DHzDS     in-situ growth method     open-tubular capillary electrochromatography     molecular simulations    

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Preparation of starch esters with crosslinking structures derived from dianhydride

Huijuan CHU, Hongliang WEI, Jing ZHU, Shouyin HU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 51-54 doi: 10.1007/s11705-010-0534-5

Abstract: starch was modified by esterification with pyromellitic dianhydride, and the products were obtained with crosslinking

Keywords： potato starch     pyromellitic dianhydride     esterification     crosslink    

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Covalent triazine framework with efficient photocatalytic activity in aqueous and solid media

Cyrine Ayed, Wei Huang, Kai A. I. Zhang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 397-404 doi: 10.1007/s11705-019-1884-2

Abstract: Covalent triazine frameworks (CTFs) have been recently employed for visible light-driven photocatalysis

Keywords： photocatalysis     covalent triazine framework     aqueous medium     SBA-15     solid state    

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DNA alkylation promoted by an electron-rich quinone methide intermediate

Chengyun Huang,Steven E. Rokita

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 213-221 doi: 10.1007/s11705-015-1541-3

Abstract: from oligonucleotides and quinone methides have previously been limited by the slow exchange of their covalent

Keywords： quione methide     DNA alkylation     reversible covalent reaction     bioconjugation     target-directed modification    

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Oil bleed from elastomeric thermal silicone conductive pads

Yuqi Chen,Yakai Feng,Jingqi Zhao,Jingbo Shen,Menghuang Feng

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 509-516 doi: 10.1007/s11705-016-1586-y

Abstract: Cured resins with a high crosslinking density and a high molecular weight of vinyl silicone residues

Keywords： oil bleed     crosslinking density     molecular weight     vinyl silicones     hydrosilicones    

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Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties and electromagnetic interference shielding performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1460-1469 doi: 10.1007/s11705-023-2335-7

Abstract: Sodium Alginate composite films, and nickel ions are further introduced to induce metal coordination crosslinkingThis study proposes a feasible dual-crosslinking and subsequent reduction strategy to synergistically

Keywords： Ti3C2Tx MXene     double crosslinking     mechanical properties     EMI    

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Crosslinking acrylamide with EDTA-intercalated layered double hydroxide for enhanced recovery of Cr(VI

Jing Li, Haiqin Yu, Xue Zhang, Rixin Zhu, Liangguo Yan

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1229-x

Abstract: Functional groups of AM and EDTA in composite increased removal of Cr(VI) and CR. Removal process reached equilibrium within 30 min and was minimally affected by pH. Elimination of Cr(VI) was promoted by coexisting CR. Adsorption process of CR was less influenced by the presence of Cr(VI). Mechanisms were electrostatic attraction, surface complexation and anion exchange. We prepared ethylenediaminetetraacetic acid (EDTA)-intercalated MgAl-layered double hydroxide (LDH-EDTA), then grafted acrylamide (AM) to the LDH-EDTA by a cross-linking method to yield a LDH-EDTA-AM composite; we then evaluated its adsorptive ability for Congo red (CR) and hexavalent chromium (Cr(VI)) in single and binary adsorption systems. The adsorption process on LDH-EDTA-AM for CR and Cr(VI) achieved equilibrium quickly, and the removal efficiencies were minimally affected by initial pH. The maximum uptake quantities of CR and Cr(VI) on LDH-EDTA-AM were 632.9 and 48.47 mg/g, respectively. In mixed systems, chromate removal was stimulated by the presence of CR, while the adsorption efficiency of CR was almost not influenced by coexisting Cr(VI). The mechanisms involved electrostatic attraction, surface complexation, and anion exchange for the adsorption of both hazardous pollutants. In the Cr(VI) adsorption process, reduction also took place. The removal efficiencies in real contaminated water were all higher than those in the laboratory solutions.

Keywords： Chromate     Dye adsorption     Simultaneous removal     Cross-linking method     Amino functionalization    

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Title Author Date Type Operation

The effect of altering crosslinker chemistry during interfacial polymerization on the performance of nanofiltration membranes for desalination, organic, and micropollutants removal

Journal Article

Cobalt nanoparticle decorated N-doped carbons derived from a cobalt covalent organic framework for oxygen

Journal Article

Reaction and characterization of crosslinking hyperbranched poly (amine-ester) with succine anhydride

XIAO Ling, WEI Xiuzhen, ZHU Baoku

Journal Article

Floret-like Fe–N nanoparticle-embedded porous carbon superstructures from a Fe-covalent triazine polymer

Journal Article

Room temperature preparation of hydrazine-linked covalent organic frameworks coated capillaries for

Journal Article

Preparation of starch esters with crosslinking structures derived from dianhydride

Huijuan CHU, Hongliang WEI, Jing ZHU, Shouyin HU

Journal Article

Covalent triazine framework with efficient photocatalytic activity in aqueous and solid media

Cyrine Ayed, Wei Huang, Kai A. I. Zhang

Journal Article

DNA alkylation promoted by an electron-rich quinone methide intermediate

Chengyun Huang,Steven E. Rokita

Journal Article

Oil bleed from elastomeric thermal silicone conductive pads

Yuqi Chen,Yakai Feng,Jingqi Zhao,Jingbo Shen,Menghuang Feng

Journal Article

Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties and electromagnetic interference shielding performance

Journal Article

Crosslinking acrylamide with EDTA-intercalated layered double hydroxide for enhanced recovery of Cr(VI

Jing Li, Haiqin Yu, Xue Zhang, Rixin Zhu, Liangguo Yan

Journal Article

Xie Tao: Dynamic Covalent Polymer Network: New Opportunities with Old Chemistry（2019.5.25）

22 Apr 2021

Conference Videos