Reactive & Functional Polymers最新文献

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Surface-coating of gamma-assisted reduced graphene oxide (rGO) on natural rubber foam (NRF) for enhanced oil adsorption performance 在天然橡胶泡沫(NRF)表面涂覆γ辅助还原氧化石墨烯(rGO)以增强吸油性能
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-20 DOI: 10.1016/j.reactfunctpolym.2025.106490
Manchusa Chinnawet , Ekachai Wimolmala , Pattra Lertsarawut , Kiadtisak Saenboonruang
{"title":"Surface-coating of gamma-assisted reduced graphene oxide (rGO) on natural rubber foam (NRF) for enhanced oil adsorption performance","authors":"Manchusa Chinnawet ,&nbsp;Ekachai Wimolmala ,&nbsp;Pattra Lertsarawut ,&nbsp;Kiadtisak Saenboonruang","doi":"10.1016/j.reactfunctpolym.2025.106490","DOIUrl":"10.1016/j.reactfunctpolym.2025.106490","url":null,"abstract":"<div><div>Oil pollution poses a serious threat to both aquatic and terrestrial ecosystems, necessitating the need for efficient, reusable, and eco-friendly sorbent materials. To address this challenge, the present study investigated the coating of natural rubber foam (NRF) with reduced graphene oxide (rGO) to enhance oil adsorption capacity and mechanical durability, with polylactic acid (PLA) utilized as a binding agent to impro<em>v</em>e interfacial adhesion between NRF and rGO. The sorbents were fabricated by sequentially coating NRF with an optimized 2 % (<em>w</em>/<em>v</em>) PLA solution and rGO with varying contents (0–5 % w/v). The rGO was synthesized by gamma irradiation of graphene oxide (GO) at doses ranging from 0 to 65 kGy, in which 45 kGy was identified as the optimal dose for effective removal of oxygen-containing functional groups. The results also demonstrated that PLA coating substantially improved the adhesion of rGO to the foam surface, as evidenced by lower rGO detachment during water immersion and enhanced oil adsorption performance. Furthermore, the rGO-coated NRF samples exhibited increases in oil adsorption capacities—79 % for diesel, 88 % for benzene, 71 % for lubricant, and 57 % for palm oil—compared to pristine NRF, with adsorption performance reaching a plateau and optimal condition at 3 % (<em>w</em>/<em>v</em>) rGO. The reusability tests also confirmed the durability of the developed sorbents, with approximately 85 % of the initial adsorption capacity retained over five to six adsorption–desorption cycles. Overall, this study highlighted the potential of gamma-assisted rGO synthesis for the development of high-performance and sustainable oil sorbents for environmental remediation applications.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106490"},"PeriodicalIF":5.1,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cryogels based on waste dragon fruit peel pectin for Pb2+ efficient adsorption 基于废火龙果皮果胶的低温冰箱对Pb2+的高效吸附
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-20 DOI: 10.1016/j.reactfunctpolym.2025.106486
Hongru Chen , Yiyan Liu , Yunhan Zhang , Shaowei Luan , Wenchao Dai , Tianning Zhang , Dongjie Huang , Jiawei Lu , Yang Jiang , Dapeng Li
{"title":"Cryogels based on waste dragon fruit peel pectin for Pb2+ efficient adsorption","authors":"Hongru Chen ,&nbsp;Yiyan Liu ,&nbsp;Yunhan Zhang ,&nbsp;Shaowei Luan ,&nbsp;Wenchao Dai ,&nbsp;Tianning Zhang ,&nbsp;Dongjie Huang ,&nbsp;Jiawei Lu ,&nbsp;Yang Jiang ,&nbsp;Dapeng Li","doi":"10.1016/j.reactfunctpolym.2025.106486","DOIUrl":"10.1016/j.reactfunctpolym.2025.106486","url":null,"abstract":"<div><div>The development of simple and efficient novel adsorption technologies has made them highly attractive. However, the biosafety of adsorbents for human body and environment has gradually raised concerns, limiting their practical application scenarios. In this study, dragon fruit peel pectin (DFP) and gellan gum (GG) were used to construct environmentally friendly and highly biosafe dual network cross-linking cryogel (GG/DFP) as efficient adsorbent for Pb<sup>2+</sup>. Through texture, rheology and swelling experiments, it was demonstrated that the double crosslinking network structure formed by GG and DFP greatly enhanced the strength of cryogel. The crosslinking networks and porous structures were demonstrated by SEM and BET. Moreover, GG/DFP had a favorable Pb<sup>2+</sup> adsorption capacity under different conditions, and the maximum adsorption amount was up to 93.56 mg/g. Adsorption kinetics results indicated that the pseudo-second-order model provided a better fit to the data. Adsorption equilibrium analysis was consistent with the Langmuir and Sips models. XPS analysis confirmed that it possessed multiple adsorption pathways such as physical adsorption, chelating, coordination, and ion-exchange. This work provides a promising alternative for the efficient and environmentally friendly removal of Pb<sup>2+</sup> from water resources and human gastrointestinal tract, as well as new insights for the high-value utilization of dragon fruit peel waste.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106486"},"PeriodicalIF":5.1,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145158364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of preparation method on the release kinetics of curcumin-loaded composites 制备方法对载姜黄素复合材料释放动力学的影响
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-20 DOI: 10.1016/j.reactfunctpolym.2025.106488
Meixue Cao , Fei Zhou , Shuan Cheng , Xinyue Wang , Ziyu Yuan , Xiuwen Huang , Zuju Shu
{"title":"Effects of preparation method on the release kinetics of curcumin-loaded composites","authors":"Meixue Cao ,&nbsp;Fei Zhou ,&nbsp;Shuan Cheng ,&nbsp;Xinyue Wang ,&nbsp;Ziyu Yuan ,&nbsp;Xiuwen Huang ,&nbsp;Zuju Shu","doi":"10.1016/j.reactfunctpolym.2025.106488","DOIUrl":"10.1016/j.reactfunctpolym.2025.106488","url":null,"abstract":"<div><div>To explore the effects of preparation methods on the release kinetics of curcumin (Cur)-loaded sustained-release composites, three fabrication techniques—solvent casting, uniaxial electrospinning, and coaxial electrospinning—were employed to develop Cur-loaded composites using Cur as the model drug, soluble starch (St) and polyvinyl alcohol (PVA) as the matrices. The microstructure and chemical composition of three composite groups were characterized, and their functional properties were evaluated, including swelling capacity, degradation behavior, Cur loading capacity (LC), Cur encapsulation efficiency (EE), and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity. Additionally, the in vitro Cur release behavior of the composites was analyzed, and release kinetics were fitted using mathematical models. Results indicated that the preparation methods had no significant impact on the chemical composition of the Cur-loaded composites. However, the nanofibers fabricated by the coaxial electrospinning technique exhibited a unique core-shell microstructure, which distinguished them from the cast films and uniaxial electrospun membranes. Compared with the other two groups, the coaxial membrane showed higher Cur LC and EE, a higher swelling ratio, a lower degradation rate, and a stronger DPPH radical scavenging ability. Kinetic fitting revealed that the Cur release profiles of all three composite groups conformed to the First-order model, but their release performances differed significantly. The coaxial electrospun membrane outperformed the cast film and uniaxial electrospun membrane, with a Cur cumulative release rate of 51.73 % at 96 h and retained significant potential for sustained release. In conclusion, the preparation method directly regulated the antioxidant activity and sustained-release behavior of Cur in the composites. This study provides theoretical basis and technical reference for the design and development of novel drug-loaded sustained-release composite materials.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106488"},"PeriodicalIF":5.1,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145158195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polymeric resins with sulfonic or quaternary ammonium groups used as high-capacity adsorbents of tetracycline 具有磺酸基或季铵基的聚合树脂,用作四环素的高容量吸附剂
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-20 DOI: 10.1016/j.reactfunctpolym.2025.106487
Andrés Boulett , Karina Roa , Guadalupe Pizarro , Oscar Marambio , Paola Santander , Julio Sánchez
{"title":"Polymeric resins with sulfonic or quaternary ammonium groups used as high-capacity adsorbents of tetracycline","authors":"Andrés Boulett ,&nbsp;Karina Roa ,&nbsp;Guadalupe Pizarro ,&nbsp;Oscar Marambio ,&nbsp;Paola Santander ,&nbsp;Julio Sánchez","doi":"10.1016/j.reactfunctpolym.2025.106487","DOIUrl":"10.1016/j.reactfunctpolym.2025.106487","url":null,"abstract":"<div><div>In this research, polymeric resins based on poly(3-sulfopropyl acrylate potassium salt) (P(SPAK)) and poly([3-(methacryloylamino)propyl] trimethylammonium chloride) (P(MAPTAC)) were prepared and tested as tetracycline (TC) adsorbents. These resins were characterized by chemical, thermal, morphological, surface techniques and by evaluating their hydration properties. P(SPAK) presented higher swelling ratio (27.6 g g<sup>−1</sup>) than P(MAPTAC) (15.6 g g<sup>−1</sup>). Also, we optimized by a multi-variate method the amount of resin and pH in TC removal using an experimental design, and then univariate evaluation of ionic strength concentration, contact time, TC concentration and temperature, reaching values of 713 mg g<sup>−1</sup> for P(SPAK) at pH = 3 and 1067 mg g<sup>−1</sup> for P(MAPTAC) at pH = 10.5, influenced by the chemical speciation of the pollutant and the resin. The low ionic strength favored adsorption, while high concentrations of KCl reduced it. The kinetics followed the Elovich model, reaching equilibrium in 1440 min. Freundlich isotherms indicated multilayer adsorption and energy heterogeneity. The process was endothermic and spontaneous with higher efficiency at higher temperatures. Finally, the resins proved to be reusable up to three consecutive adsorption-desorption cycles.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106487"},"PeriodicalIF":5.1,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145158197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An inclusive study on the effect of polyurethane component variation on the dynamic mechanical properties of EP/PU IPNs in multiple modes 多元模态下聚氨酯组分变化对EP/PU ipn动态力学性能影响的综合研究
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-17 DOI: 10.1016/j.reactfunctpolym.2025.106484
Jianlong Wang , Tongtong Zhang , Hongxi Zhu , Xiaoming Cao , Teng Ma , Zhijia Zhang , Lin Wang , Xiaoji Liu , Qiang Wang , Guojun Wang , Songsong Zhang , Hao Wei
{"title":"An inclusive study on the effect of polyurethane component variation on the dynamic mechanical properties of EP/PU IPNs in multiple modes","authors":"Jianlong Wang ,&nbsp;Tongtong Zhang ,&nbsp;Hongxi Zhu ,&nbsp;Xiaoming Cao ,&nbsp;Teng Ma ,&nbsp;Zhijia Zhang ,&nbsp;Lin Wang ,&nbsp;Xiaoji Liu ,&nbsp;Qiang Wang ,&nbsp;Guojun Wang ,&nbsp;Songsong Zhang ,&nbsp;Hao Wei","doi":"10.1016/j.reactfunctpolym.2025.106484","DOIUrl":"10.1016/j.reactfunctpolym.2025.106484","url":null,"abstract":"<div><div>Interpenetrating polymer networks (IPNs) constructed from polyurethane (PU) and epoxy resin (EP) are high-performance polyester-based materials. In this study, we systematically investigated the effect of variation in the PU component, including its content and molecular weight, on the property of EP/PU IPNs. The focus was on the changes in dynamic mechanical properties, characterized and analyzed through dynamic parameters under different modes, to reveal the influence of the PU component on the energy dissipation capacity of the material. Additionally, we conducted performance tests on IPNs materials constructed with different polyols, with a particular emphasis on dynamic mechanical property, and identified the superior PCL-2000 series (the effective damping temperature range △T is close to 50 °C in tensile mode, and the peak of the loss factor in compressive mode still reaches nearly 0.8). These findings constitute a comprehensive study on the dynamic mechanical property of EP/PU-based materials and provide crucial data support and empirical analysis for the development of high-energy functional material.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106484"},"PeriodicalIF":5.1,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photo-polymerized zwitterionic PDMS elastomers with dynamic networks: A reactive design for self-healing, antibacterial E-skin 具有动态网络的光聚合两性离子PDMS弹性体:一种自愈、抗菌电子皮肤的反应性设计
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-17 DOI: 10.1016/j.reactfunctpolym.2025.106485
Tong Zhang , Weiyin Chen , Wenxin Zhang , Lusheng Liao , Chengpeng Li , Peng Zhang
{"title":"Photo-polymerized zwitterionic PDMS elastomers with dynamic networks: A reactive design for self-healing, antibacterial E-skin","authors":"Tong Zhang ,&nbsp;Weiyin Chen ,&nbsp;Wenxin Zhang ,&nbsp;Lusheng Liao ,&nbsp;Chengpeng Li ,&nbsp;Peng Zhang","doi":"10.1016/j.reactfunctpolym.2025.106485","DOIUrl":"10.1016/j.reactfunctpolym.2025.106485","url":null,"abstract":"<div><div>Flexible electronic skin (<em>E</em>-skin) demands materials with skin-like softness, self-healing capability, and antibacterial properties for long-term wearable applications. Here, we developed a series of self-healing, antibacterial zwitterionic polydimethylsiloxane (PDMS) elastomers via a facile photo-polymerization strategy. The elastomer was synthesized by crosslinking acrylate-terminated PDMS (PDMS-IU-MA) with zwitterionic sulfobetaine methacrylate (SBMA) using reactive hyperbranched polysiloxane (HPBSi) containing methacrylate groups as a multifunctional mediator. The resulting material exhibited remarkable antibacterial effects against <em>E. coli</em> and <em>S. aureus</em>, attributed to the zwitterionic SBMA moieties, while the dynamic hydrogen-bonding network formed by urethane/urea groups enabled self-healing ability. The mechanical properties, self-healing efficiency, and antibacterial performance were systematically tuned by varying the SBMA content. Furthermore, a conductive <em>E</em>-skin capable of precisely monitoring human motion through resistance changes was fabricated by integrating liquid metal (LM) microdroplets into an optimized PDMS matrix. This work provides a scalable strategy to integrate antimicrobial protection, self-healing, and strain sensing into <em>E</em>-skin for next-generation wearable electronics.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106485"},"PeriodicalIF":5.1,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Butyl/ether hybrid-terminated polysiloxanes for high-performance UV-curable polyurethanes: Ultra-low dielectric constant and superhydrophobicity in electronic packaging 用于高性能紫外光固化聚氨酯的丁基/醚端杂化聚硅氧烷:电子封装中的超低介电常数和超疏水性
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-17 DOI: 10.1016/j.reactfunctpolym.2025.106483
Xuan Wu, Longjie Shi, Yang Zhang, Yier Wang, Chenchen Li, Yuhan Dou, Chaoran Li, Jiafeng Lu, Hong Dong, Zhirong Qu, Yanjiang Song, Chuanwu
{"title":"Butyl/ether hybrid-terminated polysiloxanes for high-performance UV-curable polyurethanes: Ultra-low dielectric constant and superhydrophobicity in electronic packaging","authors":"Xuan Wu,&nbsp;Longjie Shi,&nbsp;Yang Zhang,&nbsp;Yier Wang,&nbsp;Chenchen Li,&nbsp;Yuhan Dou,&nbsp;Chaoran Li,&nbsp;Jiafeng Lu,&nbsp;Hong Dong,&nbsp;Zhirong Qu,&nbsp;Yanjiang Song,&nbsp;Chuanwu","doi":"10.1016/j.reactfunctpolym.2025.106483","DOIUrl":"10.1016/j.reactfunctpolym.2025.106483","url":null,"abstract":"<div><div>To address the limitations of conventional polyurethane (PU) in electronic packaging (e.g., poor hydrophobicity, dielectric properties, and thermal stability), three mono-dihydroxyalkyl-terminated polysiloxanes (TMPME-PDMS, <em>M</em><sub>NMR</sub> = 995–3318 g/mol) featuring a butyl/ether hybrid terminal structure were synthesized via hydrosilylation and chemically grafted into acrylate-end-capped PU. The resulting silicone-modified polyurethane acrylates (Si-PUAs) were UV-cured with a 3 wt% photoinitiator (HMPA/HCHMP = 1:1). Relative to pure PUA, the hydrophobicity and thermal stability were significantly enhanced, together with reduced dielectric properties. With a mere 1 wt% TMPME-PDMS (<em>M</em><sub>NMR</sub> = 3318 g/mol), the water contact angle was increased from 79.34° of pristine PU to 118.09°. When incorporating 10 wt% TMPME-PDMS (<em>M</em><sub>NMR</sub> = 2218 g/mol), the soft-segment decomposition temperature (<em>T</em>gs) was elevated to 412.60 °C, which was 19.20 °C higher than unmodified PU. At 14.2 GHz, 10 wt% TMPME-PDMS (<em>M</em><sub>NMR</sub> = 3318 g/mol) reduced the dielectric constant to 2.67, 6.32 % lower than PU. The molecular weight (<em>M</em><sub>NMR</sub>) and dosage of TMPME-PDMS critically governed microphase separation, crosslinking density, and surface migration, enabling tunable performance. This work provides a scalable strategy for high-performance UV-curable coatings in advanced electronics packaging.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106483"},"PeriodicalIF":5.1,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145158196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrophilization of porous membranes based on polyphenylene sulfone by post-sulfonation 聚苯砜基多孔膜的后磺化亲水性研究
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-16 DOI: 10.1016/j.reactfunctpolym.2025.106482
E.S. Dmitrieva , D.A. Razlataya , A.Yu Raeva , G.A. Shandryuk , J.V. Kostina , T.S. Anokhina , I.L. Borisov , E.A. Grushevenko , S.Yu Khashirova , A.V. Volkov
{"title":"Hydrophilization of porous membranes based on polyphenylene sulfone by post-sulfonation","authors":"E.S. Dmitrieva ,&nbsp;D.A. Razlataya ,&nbsp;A.Yu Raeva ,&nbsp;G.A. Shandryuk ,&nbsp;J.V. Kostina ,&nbsp;T.S. Anokhina ,&nbsp;I.L. Borisov ,&nbsp;E.A. Grushevenko ,&nbsp;S.Yu Khashirova ,&nbsp;A.V. Volkov","doi":"10.1016/j.reactfunctpolym.2025.106482","DOIUrl":"10.1016/j.reactfunctpolym.2025.106482","url":null,"abstract":"<div><div>Polyphenylene sulfone (PPSU) is an attractive membrane material due to its good mechanical properties and hydrolytic stability; however, its semi-hydrophobic nature typically results in low water permeance. In this work, we propose, for the first time, a method for the hydrophilization of fabricated asymmetric PPSU membranes via post-sulfonation. This approach allows the fabrication of a membrane with predetermined parameters, followed by tuning of its hydrophilic/hydrophobic balance by controlling the post-treatment conditions. In contrast, prior sulfonation of the PPSU polymer (a common method) necessitates a revision of casting conditions, as varying the degree of sulfonation alters the polymer solubility parameter and affects the properties of the membrane formed via the non-solvent induced phase separation (NIPS) process. Aqueous sulfuric acid solutions (62–98 wt%) were used as the sulfonating agent, and the treatment time was varied from 1 min to 20 days. Both commercial (BASF) and in-house synthesized PPSU samples were studied. Sulfonation significantly reduced the water contact angle: from 89 to 92° to 0° for dense films, and from 67 to 69° to 44–50° for porous membranes. Consequently, the water permeance of the sulfonated PPSU membranes approximately doubled, increasing from 0.20 to 0.34 to 0.42–0.47 kg/m<sup>2</sup>·h·bar. It should be noted that maximizing the water permeance of the pristine membrane (by using pore-forming agents etc.) was beyond the scope of this study. The membranes demonstrated a high rejection rate of 99 % for Blue Dextran dye (MW 70,000 g/mol). It was proposed that the residual NMP solvent in the membrane might also undergo the sulfonation.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106482"},"PeriodicalIF":5.1,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Triphenylphosphine-functionalized hyper-crosslinked polymers for efficient hydrogen generation via sodium borohydride methanolysis 三苯基膦功能化超交联聚合物用于硼氢化钠甲醇解高效制氢
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-11 DOI: 10.1016/j.reactfunctpolym.2025.106480
Kutalmis Gokkus , Aysegul Ozbal , Mahmut Gür , Salih Alper Akalin , Hazal Sebli , Vural Bütün
{"title":"Triphenylphosphine-functionalized hyper-crosslinked polymers for efficient hydrogen generation via sodium borohydride methanolysis","authors":"Kutalmis Gokkus ,&nbsp;Aysegul Ozbal ,&nbsp;Mahmut Gür ,&nbsp;Salih Alper Akalin ,&nbsp;Hazal Sebli ,&nbsp;Vural Bütün","doi":"10.1016/j.reactfunctpolym.2025.106480","DOIUrl":"10.1016/j.reactfunctpolym.2025.106480","url":null,"abstract":"<div><div>Four novel hyper-crosslinked polymers (HCP-1 to HCP-4) were synthesized via Friedel–Crafts alkylation using 4,4′-bis(chloromethyl)-1,1′-biphenyl as the crosslinker and various aromatic monomers including triphenylphosphine (TPP). These polymers were designed as metal-free catalysts for hydrogen generation via sodium borohydride methanolysis. Comprehensive characterization using FT-IR, XPS, BET, TGA, SEM, and zeta potential analyses confirmed that the materials possess thermally stable, porous networks with irregular morphologies and distinct surface charges. Under practical conditions, HCP-3 exhibited the highest catalytic activity with a hydrogen generation rate of 9857 mL H<sub>2</sub> min<sup>−1</sup> g<sup>−1</sup> at 303.15 K and the lowest activation energy (Ea = 32.0 kJ mol<sup>−1</sup>). At elevated temperature (333.15 K), HCP-2 achieved the highest activity (37,200 mL H<sub>2</sub> min<sup>−1</sup> g<sup>−1</sup>), reflecting the strong influence of temperature on performance trends. Despite not having the highest surface area or pore volume, the superior activity of HCP-3 at 303.15 K highlights the decisive roles of microporous architecture, electrostatic surface characteristics, and heteroatom functionality. Zeta potential analysis revealed significant reductions in surface charge after reaction, particularly for HCP-3, suggesting strong electrostatic interactions with BH₄<sup>−</sup> ions. XPS data further confirmed the successful incorporation of TPP and heteroaromatic units, correlating with enhanced catalytic efficiency. Overall, the findings underscore a surface-mediated mechanism where both charge-assisted hydride attraction and structural topology govern hydrogen evolution. The metal-free and reusable nature of these catalysts supports their potential in sustainable hydrogen technologies.</div></div>","PeriodicalId":20916,"journal":{"name":"Reactive & Functional Polymers","volume":"217 ","pages":"Article 106480"},"PeriodicalIF":5.1,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recyclable triptycene-based oligomers for selective cationic dye adsorption 选择性阳离子染料吸附的可回收三叶烯基低聚物
IF 5.1 3区 工程技术
Reactive & Functional Polymers Pub Date : 2025-09-10 DOI: 10.1016/j.reactfunctpolym.2025.106467
Meha Bhargava, Jyoti Agarwal
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