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学者姓名：侯琳熙
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Abstract ：
To address the challenge of controllable and precise regulation of the phase behavior of block copolymers, this study proposes a novel strategy to regulate the self-organization behavior of PS-P2VP block copolymers through supramolecular self-assembly. PS-P2VP was synthesized via the RAFT method, and three POSS molecules with different non-covalent interactions were synthesized and used to form complexes with the PS-P2VP copolymers. Characterization techniques such as NMR, GPC, FT-IR, TGA, DSC, SAXS, and SEM, along with theoretical methods, were employed to analyze the impact of POSS on the phase behavior of PS-P2VP. The results demonstrate that POSS is particularly effective in modulating the self-assembled phase behavior in the lamellar phase of block copolymers, with BPOSS-Cl showing the most significant modulation, enabling the complexes to achieve third-order peaks in SAXS measurements. This conclusion is further supported by theoretical calculations. The study not only reveals the mechanism by which POSS regulates the self-assembly behavior of PS-P2VP but also provides a promising direction for advancing autonomous phase selection in block copolymers.
Keyword ：
Lamellar phase Lamellar phase POSS small molecules POSS small molecules PS-P2VP polymerization PS-P2VP polymerization Supramolecular assembly Supramolecular assembly
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| GB/T 7714 | Qiu, Caihong , Liao, Xiafeng , Zheng, Yiru et al. Synthesis of PS-P2VP modified by the POSS group and its self-assembly behavior [J]. | JOURNAL OF POLYMER RESEARCH , 2025 , 32 (4) . |
| MLA | Qiu, Caihong et al. "Synthesis of PS-P2VP modified by the POSS group and its self-assembly behavior" . | JOURNAL OF POLYMER RESEARCH 32 . 4 (2025) . |
| APA | Qiu, Caihong , Liao, Xiafeng , Zheng, Yiru , Zhang, Haowen , Lu, Zhen , Hou, Linxi . Synthesis of PS-P2VP modified by the POSS group and its self-assembly behavior . | JOURNAL OF POLYMER RESEARCH , 2025 , 32 (4) . |
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Dispersion of SiO2 particles in aqueous solutions using block copolymers remains challenging, particularly due to degradation in highly alkaline environments and difficulty in achieving high solid content. Herein, we report the synthesis of an anionic block copolymer, poly(glyceryl methacrylate-b-sodium p-styrenesulfonate) (PGGMA-b-PSSS), containing abundant hydroxyl groups, via reversible addition-fragmentation chain transfer (RAFT) polymerization of sodium p-styrenesulfonate and glycidyl methacrylate monomers. The hydroxyl groups in PGGMA-b-PSSS serve as anchoring points, producing a steric hindrance effect between SiO2 particles by interacting with silanol groups on the particle surface. Furthermore, electrostatic repulsion from the poly(sodium p-styrenesulfonate) block significantly enhances the dispersibility of PGGMA-b-PSSS in aqueous systems. A systematic investigation of the dispersibility of SiO2 particles was conducted under various compositions and concentrations of PGGMA-b-PSSS across a wide alkaline pH range. Our results show the effective dispersion of sub-micron and micron-sized SiO2 particles, achieving solid contents of up to 35 wt% over a wide pH range (3–13). © 2025 Elsevier B.V.
Keyword ：
Alkalinity Alkalinity Anionic polymerization Anionic polymerization Block copolymers Block copolymers Dispersions Dispersions Living polymerization Living polymerization
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| GB/T 7714 | You, Jiejian , Jiang, Qing , Sun, Shihao et al. Efficient dispersion of high-content SiO2 particles across a broad pH range with anionic block copolymer in aqueous solution: An experiment and mechanism study [J]. | Journal of Molecular Liquids , 2025 , 429 . |
| MLA | You, Jiejian et al. "Efficient dispersion of high-content SiO2 particles across a broad pH range with anionic block copolymer in aqueous solution: An experiment and mechanism study" . | Journal of Molecular Liquids 429 (2025) . |
| APA | You, Jiejian , Jiang, Qing , Sun, Shihao , Lin, Xiaocheng , Sui, Jincheng , Liao, Xiafeng et al. Efficient dispersion of high-content SiO2 particles across a broad pH range with anionic block copolymer in aqueous solution: An experiment and mechanism study . | Journal of Molecular Liquids , 2025 , 429 . |
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Herein, we present the synthesis and characterization of a novel phosphorus-containing epoxy co-curing agent, ANVD, fabricated via a one-pot method utilizing vanillin, 1,5-diaminonaphthalene, and DOPO as raw materials. Structural analysis conducted through FTIR and NMR spectroscopy confirmed the composition of ANVD. Differential scanning calorimetry (DSC) results indicated ANVD has significant contribution to the curing crosslinking of DGEBA, resulting in a slightly decreased Tg value for EP/ANVD compared to EP/DOPO, albeit still notably higher. Thermogravimetric analysis (TGA) revealed a reduction in the T5% and Tmax values of EP/ANVD, yet ANVD's superior char-forming ability increased char residue mass at elevated temperatures. Combustion tests showcased the outstanding flame retardancy of EP/ANVD, with EP/ANVD-5 exhibiting a limiting oxygen index (LOI) value of 33.2 % and achieving a V-0 rating in the UL-94 test. Furthermore, EP/ANVD-5 displayed a notable decrease of 38.6 % and 32.1 % in pHRR and av-HRR, respectively, compared to pure EP, surpassing EP/DOPO with equivalent phosphorus content. Analysis of decomposition products in both condensed and gas phases revealed ANVD's role in forming dense and continuous expanded char layers during combustion, releasing phosphorus radicals and non-combustible gases, thus exhibiting dual-phase flame retardant effects. Additionally, EP/ANVD-3 exhibited enhanced mechanical properties, with tensile strength and modulus increasing from 68.5 MPa and 0.75 GPa to 76.5 MPa and 0.86 GPa, respectively, compared to pure EP. Overall, the introduction of the bio-based flame retardant ANVD presents promising opportunities for the utilization of bio-based materials in flame retardancy applications.
Keyword ：
Co-curing agent Co-curing agent Epoxy resin Epoxy resin Flame retardancy Flame retardancy Phosphaphenanthrene Phosphaphenanthrene Vanillin Vanillin
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| GB/T 7714 | Luo, Yang , Huang, Lewen , Cai, Jingyu et al. Vanillin-derived co-curing agent for enhanced flame retardancy and mechanical properties in epoxy resin [J]. | JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY , 2025 , 143 : 691-703 . |
| MLA | Luo, Yang et al. "Vanillin-derived co-curing agent for enhanced flame retardancy and mechanical properties in epoxy resin" . | JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 143 (2025) : 691-703 . |
| APA | Luo, Yang , Huang, Lewen , Cai, Jingyu , Jiang, Qing , Liao, Xiafeng , Zhang, Haowen et al. Vanillin-derived co-curing agent for enhanced flame retardancy and mechanical properties in epoxy resin . | JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY , 2025 , 143 , 691-703 . |
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The development of dual-functional composite materials that integrate efficient electromagnetic wave (EMW) absorption and thermal conductivity is a crucial advancement in addressing the issues of electromagnetic pollution and heat accumulation in electronic devices. In this work, NixCoy-C/PAM hydrogels derived from mixed metal MOF-74 were successfully fabricated by in situ radical polymerization with the assistance of an external magnetic field. The properties of NixCoy-C/PAM were optimized by varying the ratios of cobalt and nickel metals as well as their oxides, thereby providing opportunities for the creation of advanced electromagnetic wave absorbers. When the Ni/Co ratio was increased to 1:1, Ni1Co1-C/PAM demonstrated superior EMW absorption performance at a filler ratio of 3 wt%. This configuration exhibited a minimum reflection loss of -57.8 dB at 8.64 GHz with a thickness of 3.6 mm, alongside an effective absorption bandwidth extending up to 5.81 GHz with a thickness of 2.3 mm. Furthermore, magnetic orientation within the filler facilitated enhanced heat transfer by establishing high-efficiency thermal conductive pathways. This study offers valuable insights into designing polymer composites characterized by improved thermal conductivity and robust EMW absorption capabilities.
Keyword ：
Directional orientation Directional orientation Electromagnetic wave absorption Electromagnetic wave absorption MOFs derivatives MOFs derivatives Multifunctional composites Multifunctional composites Polyacrylamide Polyacrylamide
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| GB/T 7714 | Zhang, Chunni , Zhao, Hao , Zhou, Ting et al. NixCoy-C/polyacrylamide hydrogels derived from mixed metal MOF-74 for synergistically enhanced electromagnetic wave absorption and thermal conduction performances [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 505 . |
| MLA | Zhang, Chunni et al. "NixCoy-C/polyacrylamide hydrogels derived from mixed metal MOF-74 for synergistically enhanced electromagnetic wave absorption and thermal conduction performances" . | CHEMICAL ENGINEERING JOURNAL 505 (2025) . |
| APA | Zhang, Chunni , Zhao, Hao , Zhou, Ting , Guo, Baishan , Huang, Shinan , Cai, Jingyu et al. NixCoy-C/polyacrylamide hydrogels derived from mixed metal MOF-74 for synergistically enhanced electromagnetic wave absorption and thermal conduction performances . | CHEMICAL ENGINEERING JOURNAL , 2025 , 505 . |
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The development of green and easily regulated amphiphilic particles is crucial for advancing Pickering emulsion catalysis. In this study, lignin particles modified via sulfobutylation were employed as solid emulsifiers to support Pd nanoparticles (NPs), thereby enhancing the catalytic efficiency of biphasic reactions. Sulfobutylation of lignin effectively adjusted the hydrophilic-hydrophobic balance, resulting in controlled emulsion types and droplet sizes. Pd NPs were loaded onto lignin with a 50% sulfobutylation ratio through the in situ reduction of active functional groups, further stabilized by the cross-linked network structure of lignin. In the hydrogenation of nitrobenzene, the Lig-50S-0.6Pd catalyst exhibited superior activity compared to traditional Pd/C catalysts, which is attributed to the high retention of active sites and increased interfacial area. This work underscores the potential for designing lignin-based amphiphilic particles and developing Pickering emulsion-enhanced reactions.
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| GB/T 7714 | Gao, Xuewei , Hou, Linxi , Yang, Weijun et al. Lignin-Based Nanoparticles Stabilized Pickering Emulsion for Enhanced Catalytic Hydrogenation [J]. | LANGMUIR , 2025 , 41 (3) : 1937-1947 . |
| MLA | Gao, Xuewei et al. "Lignin-Based Nanoparticles Stabilized Pickering Emulsion for Enhanced Catalytic Hydrogenation" . | LANGMUIR 41 . 3 (2025) : 1937-1947 . |
| APA | Gao, Xuewei , Hou, Linxi , Yang, Weijun , Dong, Liangliang , Ge, Xin . Lignin-Based Nanoparticles Stabilized Pickering Emulsion for Enhanced Catalytic Hydrogenation . | LANGMUIR , 2025 , 41 (3) , 1937-1947 . |
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The natural porosity architectures, polar functional groups, low density, and biocompatibility of biomass carbon materials make them highly promising for the development of lightweight electromagnetic microwave absorbers. Sugarcane bagasse served as the raw material for this investigation, and sugarcane bagasse-derived carbon/FexOy was prepared using the in-situ growth method and temperature field-directed casting. By adjusting the content of ferrite hollow spheres, magnetic conduction losses and heterogeneous interfacial polarization losses are improved. Controlling the electrical conductivity losses and multiple scattering structures of biomass-derived carbon at different annealing temperatures, impedance matching is achieved through the synergistic operation of various loss mechanisms. BDC@C-1.2-750 exhibited a minimum reflection loss (RLmin) of-46.6 dB at a filler content of only 5 wt% and a thickness of 1.9 mm and obtained a maximum effective absorption bandwidth (EABmax) of 5.52 GHz at the same thickness. The ice template directional casting formed an orderly thermal conduction path, providing channels for phonon and electron transport, which is beneficial for the efficient heat dissipation of the microwave absorber. This finding thus offers a promising technique for creating ultra-lightweight microwave absorbers that facilitate heat dissipation.
Keyword ：
Biomass carbon Biomass carbon Biomass-derived porous carbon Biomass-derived porous carbon Electromagnetic wave absorption Electromagnetic wave absorption Freeze casting Freeze casting Light weight Light weight
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| GB/T 7714 | Zhou, Ting , Xu, Jing , Zhao, Hao et al. FexOy-decorated biomass-derived carbon: A lightweight electromagnetic wave absorber and thermal conductor [J]. | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2025 , 717 . |
| MLA | Zhou, Ting et al. "FexOy-decorated biomass-derived carbon: A lightweight electromagnetic wave absorber and thermal conductor" . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 717 (2025) . |
| APA | Zhou, Ting , Xu, Jing , Zhao, Hao , Zhang, Chunni , Wei, Yifeng , Yin, Xiangyu et al. FexOy-decorated biomass-derived carbon: A lightweight electromagnetic wave absorber and thermal conductor . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2025 , 717 . |
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Oil/water separation of emulsion stands as one of the most arduous and challenging aspects in oily wastewater treatment which represents a perennial trouble for humanity. Herein, positively charged hydrophobic polymer foams (PCHPFs) were fabricated by water-in-oil (W/O) high internal phase emulsion (HIPE) polymerization followed by quaternization, employing 4-vinylbenzyl chloride (VBC) and 4-tert-butylstyrene (tBS) as the comonomers. The quaternization degree of PCHPFs which can be adjusted by varying the VBC/tBS ratio has an important influence on the emulsion separation performance based on the charge demulsification mechanism. The porous morphologies of PCHPFs were revealed by SEM. The successful fabrication of PCHPFs was confirmed by FTIR and XPS. As VBC/tBS ratio increased from 0.5:1-5:1, the emulsion separation efficiency of PCHPFs first increased to a maximum of 95.9 % at 2:1 and then decreased. Additionally, the PCHPFs demonstrated robust hydrophobicity (water contact angles > 143 degrees), exceptional oil-water selectivity, remarkable oil-water separation capability, coupled with a certain absorption capacity for various oils and organic solvents (5-14 g/g). Given these advantages, PCHPFs are anticipated to emerge as an ideal solution for emulsion separation. Most importantly, the methodology for generating PCHPFs via quaternization in this research offers an innovative avenue in the design of charge demulsification materials.
Keyword ：
Charge demulsification Charge demulsification Emulsion separation Emulsion separation High internal phase emulsion High internal phase emulsion Positively charged hydrophobic polymer foams Positively charged hydrophobic polymer foams Quaternization Quaternization
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| GB/T 7714 | Xue, Jiahao , Zhao, Yulai , Cai, Jingyu et al. Positively charged hydrophobic polymer foams via high internal phase emulsion polymerization followed by quaternization for effective oil-in-water emulsion separation [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
| MLA | Xue, Jiahao et al. "Positively charged hydrophobic polymer foams via high internal phase emulsion polymerization followed by quaternization for effective oil-in-water emulsion separation" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 13 . 2 (2025) . |
| APA | Xue, Jiahao , Zhao, Yulai , Cai, Jingyu , Lu, Zhen , Xiao, Longqiang , Hou, Linxi . Positively charged hydrophobic polymer foams via high internal phase emulsion polymerization followed by quaternization for effective oil-in-water emulsion separation . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
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Covalent organic frameworks (COFs) are crystalline, porous semiconductors that have attracted significant interest in photocatalysis. The double chain edge structure of one-dimensional (1D) COFs enhances stability and minimizes energy loss, while varying linkage orientations create diverse optical band gaps and charge transfer properties. However, dimensional and isomeric COFs are rarely explored in photoinduced electron transfer-reversible addition-fragmentation chain transfer (PET-RAFT) polymerization, leaving their structure-activity relationships unclear. Herein, we synthesized 1D TA-COF, 1D TF-COF, 2D TA-COF, and 2D TF-COF to evaluate their behavior in oxygen-tolerant PET-RAFT polymerization. Notably, 1D TA-COF demonstrated optimal photocatalytic performance (79.4%, 16 h) owing to efficient charge separation, while isomeric 1D TF-COF exhibited lower productivity (41.5%) due to hindered electron transfer. Additionally, 2D TF-COF outperformed 2D TA-COF (51.0% vs. 36.7%, 16 h), highlighting the considerable impacts of dimension and isomerism on performance, with dimension playing a more dominant role due to the electron delocalization characteristics determined by topological structure.
Keyword ：
Covalent organic frameworks Covalent organic frameworks Dimension Dimension Isomeric Isomeric Oxygen-resistance Oxygen-resistance PET-RAFT polymerization PET-RAFT polymerization
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| GB/T 7714 | Tian, Kai , Zheng, Yiru , Lu, Zhen et al. Dimensional and Isomeric Effects of Pyrene-Based Covalent Organic Frameworks on PET-RAFT Polymerization [J]. | EUROPEAN POLYMER JOURNAL , 2025 , 232 . |
| MLA | Tian, Kai et al. "Dimensional and Isomeric Effects of Pyrene-Based Covalent Organic Frameworks on PET-RAFT Polymerization" . | EUROPEAN POLYMER JOURNAL 232 (2025) . |
| APA | Tian, Kai , Zheng, Yiru , Lu, Zhen , Zhao, Rui , Ge, Xin , Hou, Linxi . Dimensional and Isomeric Effects of Pyrene-Based Covalent Organic Frameworks on PET-RAFT Polymerization . | EUROPEAN POLYMER JOURNAL , 2025 , 232 . |
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The development of modern electronic devices necessitates the creation of materials that exhibit both excellent thermal conductivity and high electromagnetic wave absorption performance. This study focuses on the synthesis of a dual-functional composite material, Co-C@PDA@BN, by incorporating boron nitride (BN) onto a metal-organic framework (MOF)-derived Co-C core through the strong adhesion properties of polydopamine (PDA). The heterogeneous structural interface enhances interfacial polarization, thereby optimizing wave absorption. The thermal conductivity can be improved by adjusting the ratio of Co-C to BN. A composite with a Co-C to BN ratio of 1 : 5 shows a minimum reflection loss of -55.3 dB at 5 wt% and a thermal conductivity of 0.396 W m-1 K-1, while a ratio of 1 : 20 achieves a thermal conductivity value of 0.464 W m-1 K-1 with a minimum reflection loss of -44.9 dB, demonstrating the facile tunability of these two properties. This work provides a promising pathway via heterostructure design to balance thermal conductivity and wave absorption characteristics, which may offer guidance for advancing electronic device technology.
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| GB/T 7714 | Chen, Feng , Zhao, Hao , Xiao, Longqiang et al. Hierarchical Co-C@PDA@BN/PAM composites: synergistic enhancement of microwave absorption and thermal conductivity through heterostructure design [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2025 , 13 (24) : 12407-12419 . |
| MLA | Chen, Feng et al. "Hierarchical Co-C@PDA@BN/PAM composites: synergistic enhancement of microwave absorption and thermal conductivity through heterostructure design" . | JOURNAL OF MATERIALS CHEMISTRY C 13 . 24 (2025) : 12407-12419 . |
| APA | Chen, Feng , Zhao, Hao , Xiao, Longqiang , Yin, Xiangyu , Zhao, Yulai , Lu, Zhen et al. Hierarchical Co-C@PDA@BN/PAM composites: synergistic enhancement of microwave absorption and thermal conductivity through heterostructure design . | JOURNAL OF MATERIALS CHEMISTRY C , 2025 , 13 (24) , 12407-12419 . |
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Ultrahigh-resolution polymer materials with good thermal stability and high interface contrast have a wide range of application prospects in photolithography and nanomanufacturing processes. Here, we report a series of comb-like homopolymers based on polystyrene sulfonate imidazolium salts (PSSM-(i)imi), achieving efficient self-assembly under solvent-free conditions and obtaining sub-3 nm hexagonally packed cylinders and sub-4 nm lamellar nanopatterns with high interface contrast. The sulfonic acid groups in the main chain of the homopolymers are connected to imidazole groups containing hydrophobic alkyl side chains through acid-base mixed electrostatic interactions. The electrostatic interactions enhance the incompatibility between the two functional groups, while the alkyl side chain can precisely control the domain spacing and nanostructure of the pattern, regardless of their molecular weight. Through the effect of temperature fields, the thermal stability and spatial orientation of the homopolymer nanostructures were further studied, promoting the practical application of nanopatterned materials.
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| GB/T 7714 | Weng, Sen , Lu, Zhen , Cai, Jingyu et al. Ultrahigh-resolution, high interface contrast ionic homopolymers induced by acid-base mixed electrostatic interactions and nanopattern evolution [J]. | POLYMER CHEMISTRY , 2025 , 16 (21) : 2506-2513 . |
| MLA | Weng, Sen et al. "Ultrahigh-resolution, high interface contrast ionic homopolymers induced by acid-base mixed electrostatic interactions and nanopattern evolution" . | POLYMER CHEMISTRY 16 . 21 (2025) : 2506-2513 . |
| APA | Weng, Sen , Lu, Zhen , Cai, Jingyu , Xiao, Longqiang , Wang, Kairui , Zhao, Rui et al. Ultrahigh-resolution, high interface contrast ionic homopolymers induced by acid-base mixed electrostatic interactions and nanopattern evolution . | POLYMER CHEMISTRY , 2025 , 16 (21) , 2506-2513 . |
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