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学者姓名：陈怀银
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Abstract ：
Organic solvent nanofiltration (OSN) is a green, energy-saving, and highly efficient emerging membrane separation technology, and there is an urgent need for robust, easy-to-process OSN membranes with high permeance and small solute selectivity for industrial applications. Herein, we propose a new strategy for accurately designing novel OSN membranes. Specifically, a polyamide (PA) interlayer was synthesized in-situ on the surface of homogeneous reinforced poly(p-phenylene terephthamide) (PPTA) hollow fiber membrane by interfacial polymerization (IP) using both ultra-low concentrations piperazine (PIP, 0.05 wt%) and trimesoyl chloride (TMC, 0.005 wt%), and then a defect-free and dense PPy layer was deposited on top of the hydrophilic PA interlayer by chemical vapor deposition (CVD) process to prepare PA/PPy composite membranes with spherical cluster or strip cluster "Turing-like" structure. The resulting PA/PPy composite membranes presented an excellent high selective permeability, the dimethylacetamide (DMAc) permeability was 21.1 Lm(-2)h(-1)MPa-1, and the molecular weight cut-off (MWCO) was as low as 185 Da. A 30-hour OSN test at elevated temperatures (80 degrees C) and in organic solvent (DMAc), as well as a one-month immersion test in ethanol and DMAc at room temperature, demonstrated superior separation performance and structural stability of the membranes, indicating their application potential in harsh solvent systems. Our novel method for developing nanoscale ordered structured PA/PPy composite membranes offers great potential for the development of multilevel structural designs in the preparation of high-performance OSN membranes with potential industrial applications.
Keyword ：
Chemical vapor deposition Chemical vapor deposition Hollow fiber Hollow fiber Interfacial polymerization Interfacial polymerization Interlayer Interlayer Organic solvent nanofiltration Organic solvent nanofiltration Poly(p-phenylene terephthamide) Poly(p-phenylene terephthamide)
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| GB/T 7714 | Lai, Xing , Wang, Chun , Chen, Huaiyin et al. Controllable preparation of novel homogenous reinforcement poly (p-phenylene terephthamide) hollow fiber nanofiltration membrane with nanoscale ordered structures for organic solvent nanofiltration [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 338 . |
| MLA | Lai, Xing et al. "Controllable preparation of novel homogenous reinforcement poly (p-phenylene terephthamide) hollow fiber nanofiltration membrane with nanoscale ordered structures for organic solvent nanofiltration" . | SEPARATION AND PURIFICATION TECHNOLOGY 338 (2024) . |
| APA | Lai, Xing , Wang, Chun , Chen, Huaiyin , Zhu, Tianxue , Huang, Jianying , Xiao, Changfa et al. Controllable preparation of novel homogenous reinforcement poly (p-phenylene terephthamide) hollow fiber nanofiltration membrane with nanoscale ordered structures for organic solvent nanofiltration . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 338 . |
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In recent years, loading antioxidants onto inorganic nanoparticles has attracted increasing interest. However, the existing studies not only have low antioxidant loading efficiency, but also ignore the relationship between structural changes and antioxidant properties before and after antioxidant modification, greatly limiting the improvement of the antioxidant properties of composites and their application scope. In this work, we successfully prepared bis-hindered phenolic antioxidants containing silica hydroxyl groups (Bis-mAO) and loaded them onto silicon dioxide (SiO 2 ) to get the nanocomposites (Bis-mAO-SiO 2 ). The melt blending method further prepared the corresponding polyphenylene sulfide (PPS)/Bis-mAO-SiO 2 composites. The results showed that the higher antioxidant loading and more suitable antioxidant structure made Bis-mAO-SiO 2 possess excellent antioxidant properties. The prepared PPS/Bis-mAO-SiO 2 composites remained stable under high temperatures and oxygen environments. Impressively, the maximum weight loss rate temperature of PPS/Bis-mAO-SiO 2 was increased by 11.60 degrees C compared to that of PPS, and after accelerated thermal oxidation at 220 degrees C for 24 h, the relative intensity ratio between O and C of PPS/Bis-mAO-SiO 2 only increased to 0.086, much lower than 0.132 for PPS. Moreover, the viscosity of PPS/Bis-mAO-SiO 2 only increased by 29.05 % and 88.75 % after accelerated thermal oxidation at 220 degrees C for 12, 24 h. Compared, PPS ' s viscosity increased substantially by 79.22 % and 250.3 %, respectively. This meant that the Bis-mAO-SiO 2 successfully achieved a synergistic integration of high antioxidant properties and thermal stability, implying that the work offered a strategy for fabricating hightemperature resistant antioxidant composites.
Keyword ：
Hindered phenolic Hindered phenolic Polyphenylene sulfide Polyphenylene sulfide Rheological properties Rheological properties Silicon dioxide Silicon dioxide Thermal oxidation stability Thermal oxidation stability
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| GB/T 7714 | Cai, Weilong , You, Jian , Wang, Wei et al. Double-hindered phenolic SiO 2 composites with excellent oxidation resistance and thermal stability for enhanced thermal oxidation stability of PPS [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 487 . |
| MLA | Cai, Weilong et al. "Double-hindered phenolic SiO 2 composites with excellent oxidation resistance and thermal stability for enhanced thermal oxidation stability of PPS" . | CHEMICAL ENGINEERING JOURNAL 487 (2024) . |
| APA | Cai, Weilong , You, Jian , Wang, Wei , Chen, Huaiyin , Liu, Longmin , Ma, Yuhan et al. Double-hindered phenolic SiO 2 composites with excellent oxidation resistance and thermal stability for enhanced thermal oxidation stability of PPS . | CHEMICAL ENGINEERING JOURNAL , 2024 , 487 . |
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Polyphenylene sulfide (PPS), commonly used as a core material for high -temperature flue gas treatment, exhibits elevated viscosity when processed even at temperature exceeding 280 degrees C. In this study, a novel high-flowability PPS -based composite was fabricated through the incorporation of graphitic carbon nitride (g-C3N4) via a wellestablished melt extrusion procedure. The enhancement of flowability in PPS was verified, and the material's texture structures and fundamental properties of composites with varying contents were determined. The composites exhibit well -dispersed g-C3N4, a significant reduction in shear viscosity (>10 %), a notable increase in melt index (>30 %), improved crystallinity, and comparable or superior performance compared to pure PPS. When the g-C(3)N(4 )was introduced into the PPS matrix, a phase -separated composite structure was formed. This structure reduces the entanglement degree between the PPS molecular chains and provides more space for freemovement of the PPS chains, and thus the improvement in flowability for the composites can be clearly demonstrated. Therefore, g-C(3)N(4 )can be used as a novel flow modifier to enhance the flowability and stability of PPS resin without compromising its fundamental properties, which offers significant prospects for improving productivity, optimizing energy usage, and managing costs for PPS -based products.
Keyword ：
Graphitic carbon nitride (g-C3N4) Graphitic carbon nitride (g-C3N4) High flowability High flowability Melt blending Melt blending Phase-separated structure Phase-separated structure Polyphenylene sulfide (PPS) Polyphenylene sulfide (PPS)
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| GB/T 7714 | Cao, Hong , Zhang, Bing , Wang, Wei et al. Development of high-flowability melt PPS-based composites through blending with g-C3N4 [J]. | POLYMER , 2024 , 293 . |
| MLA | Cao, Hong et al. "Development of high-flowability melt PPS-based composites through blending with g-C3N4" . | POLYMER 293 (2024) . |
| APA | Cao, Hong , Zhang, Bing , Wang, Wei , Li, Yongzhao , Jia, Mengke , Yu, Weihe et al. Development of high-flowability melt PPS-based composites through blending with g-C3N4 . | POLYMER , 2024 , 293 . |
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The hydrophobic nanocomposites of reduced graphene oxide (RGO) and Fe3O4 (RGO/Fe3O4) were prepared by a one-pot process through co-precipitation under alkaline conditions. The microwave absorption performance of the RGO/Fe3O4 nanocomposites was analyzed according to their electromagnetic parameters. The results showed that the RGO/Fe3O4 nanocomposites displayed better absorbing performance than the pristine Fe3O4 nanoparticles, owing to the synergistic effect of Fe3O4 and RGO. The maximum reflection loss (RL) of the RGO/Fe3O4 nanocomposites with a thickness of 2 mm reached -45.7 dB at 13.3 GHz, and the bandwidth (RL < -10 dB) ranged from 11.5 to 16.5 GHz. However, the maximum RL of the Fe3O4 nanoparticles with a thickness of 5 mm only reached -5.3 dB at 5.7 GHz. The RGO/Fe3O4 nanocomposites have a great potential application in high-performance electromagnetic microwave absorbing.
Keyword ：
co-precipitation co-precipitation electromagnetic properties electromagnetic properties ferroferric oxide ferroferric oxide hydrophobicity hydrophobicity reduced graphene oxide reduced graphene oxide
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| GB/T 7714 | Chen, Xingtian , Du, Shumin , Hong, Ruoyu et al. Preparation of RGO/Fe3O4 Nanocomposites as a Microwave Absorbing Material [J]. | INORGANICS , 2023 , 11 (4) . |
| MLA | Chen, Xingtian et al. "Preparation of RGO/Fe3O4 Nanocomposites as a Microwave Absorbing Material" . | INORGANICS 11 . 4 (2023) . |
| APA | Chen, Xingtian , Du, Shumin , Hong, Ruoyu , Chen, Huaiyin . Preparation of RGO/Fe3O4 Nanocomposites as a Microwave Absorbing Material . | INORGANICS , 2023 , 11 (4) . |
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The hyperbranched hydroxyl-rich water-soluble beta-cyclodextrin polymer (beta-CDp) is synthesized by the action between beta-cyclodextrin and 1, 4-butanediol diglycidyl ether with a facile and environmentally friendly method, which is systematically confirmed using Fourier transform infrared spectroscopy (FTIR), ray diffraction (XRD) and thermogravimetric (TG). A water-soluble PAAS-beta-CDp-PAA binder is prepared the esterification reaction between partially neutralized sodium polyacrylate (PAAS), beta-CDp, and polyacrylic acid (PAA). Moreover, the optimized PAAS6-beta-CDp1-PAA3 binder, with a three-dimensional (3D) cross-linked network structure constructed by covalent bonds, hydrogen bonds, and electrostatic interactions, displays stronger adhesion between the active material and the current collector, effectively promotes the diffusion of Li+, and maintains the structural integrity of the electrode during charge-discharge cycling. Thus PAAS6-beta-CDp1-PAA3 electrode exhibits a higher initial discharge specific capacity of 3869 mAh g-1 with columbic efficiency of 89.79% at 200 mA g-1, and a discharge specific capacity of 2513 mAh g-1 with capacity retention rate of 71.10% is achieved after 100 cycles.(c) 2022 Published by Elsevier
Keyword ：
Binder Binder ?-cyclodextrin polymer ?-cyclodextrin polymer Polyacrylic acid Polyacrylic acid Silicon anode Silicon anode Sodium polyacrylate Sodium polyacrylate
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| GB/T 7714 | Zheng, Feng , Tang, Zhenyu , Lei, Yonggang et al. PAAS-beta-CDp-PAA as a high-performance easily prepared and water- soluble composite binder for high-capacity silicon anodes in lithium-ion batteries [J]. | JOURNAL OF ALLOYS AND COMPOUNDS , 2023 , 932 . |
| MLA | Zheng, Feng et al. "PAAS-beta-CDp-PAA as a high-performance easily prepared and water- soluble composite binder for high-capacity silicon anodes in lithium-ion batteries" . | JOURNAL OF ALLOYS AND COMPOUNDS 932 (2023) . |
| APA | Zheng, Feng , Tang, Zhenyu , Lei, Yonggang , Zhong, Rui , Chen, Huaiyin , Hong, Ruoyu . PAAS-beta-CDp-PAA as a high-performance easily prepared and water- soluble composite binder for high-capacity silicon anodes in lithium-ion batteries . | JOURNAL OF ALLOYS AND COMPOUNDS , 2023 , 932 . |
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The composites of 3,4,9,10-perylene tetracarboxylic acid doped polyaniline (PTCA-PANI) have been successfully fabricated by oxidative polymerization method in hydrochloric acid solution. FTIR, SEM and XRD were employed to characterize the composition, morphology and structure of PTCA-PANI composites. Thermalgravimetric analysis results showed that PTCA-PANI composites had better thermal stability than PANI. The microwave absorption performance of the obtained composites was evaluated by measuring the reflection loss (RL) values. The widest absorption bandwidth of the optimal PTCA-PANI (PTCA-PANI04) composites could reach to 4.4 GHz (11.9-16.3 GHz) at the absorber thickness of 2.0 mm, while the minimum RL was -27.8 dB. And the absorbing frequency could be regulated in the range of 3.8-18 GHz by adjusting the absorber thickness. Furthermore, the corrosion protection performances of the prepared materials incorporated epoxy coatings were investigated by electrochemical impedance spectroscopy and potentiodynamic polarization. The results indicated that PTCA-PANI04 incorporated coating displayed a long-term excellent anti-corrosion efficiency, which was 99.98% after 15 days' immersion in 3.5% NaCl solution, owing to the passivation and barrier effects of PTCA-PANI04 composites. This work can provide a reference for the development of new materials with electromagnetic shielding and corrosion protection dual-function.
Keyword ：
Anti-corrosion Anti-corrosion Electromagnetic shielding material Electromagnetic shielding material Polyaniline Polyaniline PTCA PTCA
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| GB/T 7714 | Chen, Xingtian , Hong, Ruoyu , Chen, Huaiyin . Fabrication of PTCA-PANI composites for electromagnetic wave absorption and corrosion protection [J]. | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2022 , 648 . |
| MLA | Chen, Xingtian et al. "Fabrication of PTCA-PANI composites for electromagnetic wave absorption and corrosion protection" . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 648 (2022) . |
| APA | Chen, Xingtian , Hong, Ruoyu , Chen, Huaiyin . Fabrication of PTCA-PANI composites for electromagnetic wave absorption and corrosion protection . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2022 , 648 . |
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A superhydrophobic composite coating was facilely constructed based on MOF (ZIF-8) nanoparticles and organic resin. Hydrophilic ZIF-8 nanoparticles with hydroxyl group were firstly prepared in aqueous media at room temperature, and then modified with low surface energy perfluorooctyltriethoxysilane (POTS) through hydrolytic condensation to give a superhydrophobic paint. Additionally, epoxy resin (EP) was innovatively introduced as adhesive layer to improve the robustness and adhesive force of the superhydrophobic coating. The as-prepared ZIF-8/POTS/EP composite coating showed high water-repellency (water contact angle = 168.2 degrees), mechanical and chemical robustness, and durability that it could maintain the superhydrophobicity after weathering in air for 300 days or immersing in 3.5 wt% NaCl aqueous solution for 60 days. The superhydrophobic composite coating also possessed excellent performance in self-cleaning, corrosion resistance, anti-icing and loading-increasing. Noteworthily, for the corrosion resistance, the ZIF-8/POTS/EP coating could increase the impedance modulus (at 0.01 Hz) of Q235 steel by about 7 orders of magnitude after immersion in 3.5 wt% NaCl aqueous solution for 7 days. We believe that this work can not only promote the effortless and large-scale preparation of superhydrophobic surface and their practical applications in future, but also provide a novel way for applying MOF materials into more fields.
Keyword ：
Corrosion resistance Corrosion resistance Robustness Robustness Self-cleaning Self-cleaning Superhydrophobic composite coating Superhydrophobic composite coating ZIF-8 ZIF-8
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| GB/T 7714 | Chen, Huaiyin , Wang, Fangfang , Fan, Huizhou et al. Construction of MOF-based superhydrophobic composite coating with excellent abrasion resistance and durability for self-cleaning, corrosion resistance, anti-icing, and loading-increasing research [J]. | CHEMICAL ENGINEERING JOURNAL , 2021 , 408 . |
| MLA | Chen, Huaiyin et al. "Construction of MOF-based superhydrophobic composite coating with excellent abrasion resistance and durability for self-cleaning, corrosion resistance, anti-icing, and loading-increasing research" . | CHEMICAL ENGINEERING JOURNAL 408 (2021) . |
| APA | Chen, Huaiyin , Wang, Fangfang , Fan, Huizhou , Hong, Ruoyu , Li, Weihua . Construction of MOF-based superhydrophobic composite coating with excellent abrasion resistance and durability for self-cleaning, corrosion resistance, anti-icing, and loading-increasing research . | CHEMICAL ENGINEERING JOURNAL , 2021 , 408 . |
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Perfluorooctanoic acid doped polyaniline (PFOA/PANI) nanoparticles were successfully prepared through ultrasonication-assisted oxidation polymerization. The prepared PFOA/PANI nanoparticles exhibited high hydrophobicity and good dispersibility in ethanol, which could uniformly distribute in epoxy resin (EP) coatings to enhance their anti-penetrant efficiency towards corrosive media. The corrosion protection properties of PANIcontained coatings on Q215 steel were evaluated and compared through electrochemical impedance spectroscopy measurements in brine. The experimental results demonstrated the PFOA/PANI/EP coatings possessed higher corrosion performance than the EP coatings and HCl-doped PANI-contained EP coatings. Besides, dedoped PFOA molecules from PFOA/PANI nanoparticles can be adsorbed on the surface of steel to form a hydrophobic corrosion inhibition layer, which further improves the corrosion resistance. The impedance of PFOA/PANI/EP coatings continuously increased after the coatings were immersed in brine for more than 2 days, and the impedance modulus at 0.01 Hz was higher than 6 x 108 omega.cm2 after 9 days. The novel method for the preparation of hydrophobic PANI nanoparticles proposed in this work may provide new ideas and methods for developing more high-performance anti-corrosion materials and promoting their applications in corrosion protection.
Keyword ：
Anti-corrosion coatings Anti-corrosion coatings Corrosion inhibition Corrosion inhibition Hydrophobicity Hydrophobicity Polyaniline Polyaniline
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| GB/T 7714 | Chen, Huaiyin , Fan, Huizhou , Su, Nan et al. Highly hydrophobic polyaniline nanoparticles for anti-corrosion epoxy coatings [J]. | CHEMICAL ENGINEERING JOURNAL , 2021 , 420 . |
| MLA | Chen, Huaiyin et al. "Highly hydrophobic polyaniline nanoparticles for anti-corrosion epoxy coatings" . | CHEMICAL ENGINEERING JOURNAL 420 (2021) . |
| APA | Chen, Huaiyin , Fan, Huizhou , Su, Nan , Hong, Ruoyu , Lu, Xuesong . Highly hydrophobic polyaniline nanoparticles for anti-corrosion epoxy coatings . | CHEMICAL ENGINEERING JOURNAL , 2021 , 420 . |
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A new type of ternary core-shell composites, carbonyl iron powder@Fe3O4@polyaniline (CIP@Fe3O4@PANI) has been successfully prepared by a two-step method. The morphology, structure, composition, and the performances of microwave-absorbing and corrosion resistance of the prepared composites were investigated via a series of characterization methods. Fe3O4 surrounding CIP could adjust the electromagnetic parameter and enhancing the impedance matching of CIP and space electromagnetic waves, while PANI could adjust the absorbing frequency band and prevent the corrosion of CIP particles. The test results indicated that CIP@Fe3O4@PANI composites had superior magnetic properties, oxidation resistance, and high saturation magnetization as well as good stability in high temperature air atmosphere. Besides, the CIP@Fe3O4@PANI contained coating showed better corrosion resistance than neat epoxy and CIP coating. Due to the excellent properties, CIP@Fe3O4@PANI composites can be an outstanding candidate for the rapid development of broadband shielding and anticorrosive materials.
Keyword ：
Carbonyl iron powder Carbonyl iron powder Impedance matching Impedance matching Oxidation resistance Oxidation resistance Polyaniline Polyaniline Saturation magnetization Saturation magnetization
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| GB/T 7714 | Chen, Xingtian , Zhang, Di , Chen, Huaiyin et al. Preparation and characterization of CIP@Fe3O4@PANI composites [J]. | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2021 , 628 . |
| MLA | Chen, Xingtian et al. "Preparation and characterization of CIP@Fe3O4@PANI composites" . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 628 (2021) . |
| APA | Chen, Xingtian , Zhang, Di , Chen, Huaiyin , Hong, Ruoyu . Preparation and characterization of CIP@Fe3O4@PANI composites . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2021 , 628 . |
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With the rapid development of electronics and information technology, electronics and electrical equipment have been widely used in our daily lives. The living environment is full of electromagnetic waves of various frequencies and energy. Electromagnetic wave radiation has evolved into a new type of environmental pollution that has been listed by the WHO (World Health Organization) as the fourth largest source of environmental pollution after water, atmosphere, and noise. Studies have shown that when electromagnetic wave radiation is too much, it can cause neurological disorders. And electromagnetic interference will cause the abnormal operation of medical equipment, precision instruments and other equipment, and therefore cause incalculable consequences. Therefore, electromagnetic protection has become a hot issue of concern to the social and scientific circles.
Keyword ：
Electromagnetic properties Electromagnetic properties Reduced graphene oxide Reduced graphene oxide Strontium hexaferrite Strontium hexaferrite
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| GB/T 7714 | Du, Shumin , Chen, Huaiyin , Hong, Ruoyu . Preparation and electromagnetic properties characterization of reduced graphene oxide/strontium hexaferrite nanocomposites [J]. | NANOTECHNOLOGY REVIEWS , 2020 , 9 (1) : 105-114 . |
| MLA | Du, Shumin et al. "Preparation and electromagnetic properties characterization of reduced graphene oxide/strontium hexaferrite nanocomposites" . | NANOTECHNOLOGY REVIEWS 9 . 1 (2020) : 105-114 . |
| APA | Du, Shumin , Chen, Huaiyin , Hong, Ruoyu . Preparation and electromagnetic properties characterization of reduced graphene oxide/strontium hexaferrite nanocomposites . | NANOTECHNOLOGY REVIEWS , 2020 , 9 (1) , 105-114 . |
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