JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·
IF 2.8
Xiaofang You,Yuxia Hou,Jingwei Wang,Lin Li,Meng He
This study aims to address the challenge of treating Pb 2+ in mining wastewater, a persistent issue in water environment pollution control. The sodium alginate/graphene oxide/polyethylene glycol (SA/GO/PEG) gel beads were designed and prepared with graphene oxide (GO), sodium alginate (SA), and polyethylene glycol (PEG) as raw materials by combining experiments and simulation. Firstly, the simulation system of SA/GO/PEG gel bead was constructed through molecular simulation, and the optimal composition of SA/GO/PEG gel bead was determined. The simulation results indicated that, with a PEG polymerization degree of 4000, the SA/GO/PEG gel bead system exhibited the greatest structural stability and the most effective cross-linked. Based on the understanding of the structure–performance relationship, SA/GO/PEG4000 gel beads were prepared to achieve an adsorbent with both high adsorption capacity and good stability. Characterization results indicated the successful cross-linked of polyethylene glycol with sodium alginate and graphene oxide, which not only introduced additional oxygen-containing functional groups and increased the crystallinity of the gel beads but, more importantly, led to the formation of a dense and complex three-dimensional network. This structure contributed to the improved thermal stability of the composite. Adsorption experiments showed that the adsorption of Pb 2+ onto SA/GO/PEG gel beads followed the Langmuir isotherm model. The calculated maximum adsorption capacities at 25°C, 35°C, and 45°C were 490.20, 497.51, and 526.32 mg/g, respectively. Furthermore, the gel beads exhibited excellent reusability, retaining 92.64% of their initial adsorption capacity after four consecutive adsorption–desorption cycles.
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·
IF 2.8
Hong Ji,Kexin Hao,Song Zheng,Ke Yang,Zhixiang Xing
With the intensification of industrial activities, oil pollution in water bodies has become increasingly severe, necessitating the development of highly efficient and environmentally friendly oil–water separation technologies. This study employed a combined impregnation and vacuum filtration method to modify mixed cellulose ester (MCE) membranes with tea polyphenols (TP) and hydrophilic silica (SiO 2 ) nanoparticles, creating SiO 2 /TP-MCE composite membranes exhibiting high hydrophilicity and submerged oleophobicity. Results indicate that TP modification significantly enhances membrane surface hydrophilicity, reducing the water contact angle to 62° after 24 h immersion and achieving a water flux of 31,217.1 L·m −2 ·h −1 , representing a 2.85-fold increase over the original membrane. The incorporation of SiO 2 further endows the membrane surface with high hydrophilicity and underwater superhydrophobicity. The optimal composite membrane (M5) achieved a separation efficiency of 99.6% for diesel emulsion, demonstrating excellent anti-fouling properties and cycling stability. Based on green and sustainable materials and processes, this composite membrane holds broad application prospects in industrial oily wastewater treatment and marine oil spill emergency response.
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高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·
IF 2.8
Lin Qi,Ying Long,Han Liu,Xun Tian,Xueyun Cai,Lindong Luan,Jiawei Wei
Effective hemostasis and pathogenic microorganism clearance are essential primary steps for establishing a stable internal microenvironment during the early stage of wound repair. Therefore, a simultaneous thermal crosslinking-integration strategy was applied to electrospun polyvinylpyrrolidone (PVP) and graphene oxide nanosheets (GO) composite fibers to achieve early-stage intervention for acute wounds. During thermal crosslinking, molecular thermal motion facilitates interactions between PVP and GO via various non-covalent interactions, thereby further stabilizing the macromolecular chains. Specifically, the fabricated PVP-G5 membranes exhibit robust morphological stability in aqueous environments, enabling them to accommodate excessive wound exudate. As a supporting substrate, the fibrous structure of PVP-G5 also facilitates platelet accumulation, thereby providing a favorable physical platform for activating the blood coagulation cascade. Furthermore, the embedded GO nanosheets within the fiber matrix not only ensure biocompatibility but also endow the fibrous membranes with NIR-switched photothermal therapy (PTT), thus achieving broad-spectrum pathogen eradication. These findings demonstrate that the PVP-GO composite fiber membranes, fabricated through the in situ thermal integration strategy during crosslinking, offer significant advantages for managing severe bleeding and infection, with promise for early treatment of acute wounds.
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·
IF 2.8
Xiaoyu Meng,Zhongqi Lu,Yuanyuan Wang,Jiayi Qiao,Xinru Liu,Haimu Ye,Tianyu Wu,Xiaocan Zhang,Chuanbo Cong,Qiong Zhou
Anion-exchange membranes (AEMs) are widely studied as key components of anion-exchange membrane water electrolyzers (AEMWEs) and anion-exchange membrane fuel cells (AEMFCs). Polybenzimidazole (PBI) is a commonly used material for AEMs. Here, we propose a composite approach involving the stepwise quaternization modification of PBI molecular chains and introduction of a covalent organic framework (COF, TpTG Cl ) along with two-dimensional rigid graphene oxide (GO) nanoparticles. This strategy aims to address the significant “trade-off” effect between hydroxide conductivity and dimensional stability. This approach uses a simple two-step method to prepare quaternary ammonium-modified PBI (QPBI), enhancing terminal cation mobility to facilitate the aggregation into ionic clusters, thereby improving the hydroxide ion transport ability of the AEM. The mechanical properties and dimensional stability of the composite membranes are significantly enhanced under the synergistic effect of TpTG Cl and GO. The prepared QPBI/GO/TpTG Cl composite membranes exhibit a fracture strength generally above 50.0 MPa in the wet state, the conductivity exceeding 70.0 mS cm −1 at 80°C, and the swelling rate is reduced by approximately 23.7% compared to the QPBI/TpTG Cl 1wt% composite membrane. Among them, the QPBI/GO 1wt% /TpTG Cl 1wt% composite membrane shows a current density of 382 mA cm −2 at 2.5 V, which is 24.0% higher than that of the QPBI membrane.
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高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2017
·Vol. 134
·期 39
·45333
·
IF 1.86
Xi Yue,Wenjun Wu,Guodong Chen,Canrui Yang,Shijun Liao,Xiuhua Li
Quaternary ammonium functionalized poly(arylene ether) (QPAE-Br) membranes based on 2,2′,6,6′-tetramethyl biphenol for diffusion dialysis (DD) were designed and successfully fabricated via nucleophilic substitution polycondensation, bromination, film casting, and quaternization. The structures, thicknesses, ion-exchange capacities (IECs), water uptakes, swelling ratios, ion conductivities, and mechanical properties of QPAE-Br were used to characterize the membranes. The influence of the membrane structures on the DD performances was investigated by DD tests of simulated industrial pickling wastewater (1 mol/L HCl, 0.1 mol/L FeCl 2 ). The DD results show QPAE-a (IEC = 1.51 mmol/g) as the best DD candidate. Predialysis treatments further improved the DD performances of QPAE-Br. QPAE-a exhibited an excellent proton diffusion coefficient ( ) of 0.033 m/h and a high separation factor ( S ) of 95.45 after the predialysis treatment at room temperature; these values were much higher than those of the commercial DF-120B membrane (0.004 m/h for and 24.3 for S at 25 °C) and other reported DD membranes. QPAE-a has great potential for acid recovery via DD. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017 , 134 , 45333.
研究领域:
高分子科学
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膜技术
·
化学工程
·
材料科学
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2024
·Vol. 141
·期 33
·e55841
·
IF 2.7
Yu Du,Hang Tao,Yang Yang,Changzhi Su,Junrong Wang,Yongnian Wang,Boping Liu,Yulong Jin
In this work, four kinds of silica with similar textural properties but different particle size (PS) from 6 to 60 μm were selected as support to prepare silyl-chromate/VO x /silica bimetallic catalysts for ethylene polymerization, thus making it possible to conduct convincing investigation on the effects of catalyst PS over catalytic behaviors and polymer properties. It is found, owing to mass- and heat-transfer limitations, the catalysts with smaller PS showed higher initial activity, while the deactivation in the later stage was more remarkable. Meanwhile, catalysts with smaller PS synthesized bimodal ultrahigh molecular weight polyethylene/high-density polyethylene in-reactor blends (UHMWPE/HDPE IRBs) with higher molecular weight ( MW ) and narrower molecular weight distribution (MWD). Four PE sample couples with MW increasing from 5 × 10 5 to 10 × 10 5 g mol −1 and PS from 40 to 460 μm were selected for tensile and rheological tests. For each couple with similar MW and MWD, the sample with smaller PS always had larger tensile strength and breaking elongation. The cryogenically fractured surface of the samples made by smaller PE particles showed fewer delamination defects and unfused small particles. The rheological results indicate that higher homogeneity was achieved for the sample with smaller PS, which was reflected by the unexpected higher viscosity and storage modulus.
研究领域:
材料科学
·
催化化学
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2015
·Vol. 133
·期 11
·
IF 1.768
Caideng Yuan,Jingpeng Wang,Mingtong Cui,Yan Peng
Waterborne polyurethane/polyacrylate (PUA) emulsions were prepared by dispersing polyurethane (PU) prepolymer in polyacrylate (PA) emulsion; therefore, the PU particles formed in the presence of PA nanoparticles. The particle size and its distribution of the composite PUA emulsion were determined by dynamic light scattering. The result shows that the average particle size increases initially and then decreases with increasing PA content, which is confirmed by transmission electron microscope characterization. The surface properties of PUA films were analyzed by water contact angle and atomic force microscope topography. It indicates that the water contact angle and the average roughness of the composite PUA films are larger than those of the PU film. Meanwhile, mechanical properties test, scanning electron microscopy, and thermogravimetric analyses disclose that the PUA films are characterized by enhanced tensile strength, rough fractured surface, and good thermal stability. The preparation method proposed in this article is an effective and convenient way to manufacture composite PUA emulsion. The composite PUA emulsion can be potentially used in coatings. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016 , 133 , 43203.
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2014
·Vol. 132
·期 10
·
IF 1.64
Jing-Jing Wang,Ming-Bang Wu,Tao Xiang,Rui Wang,Shu-Dong Sun,Chang-Sheng Zhao
A novel and simple but practical method for the preparation of modified poly(ether sulfone) (PES) membranes was provided by the in situ crosslinked copolymerization of sulfobetaine methacrylate (SBMA) and sodium p -styrene sulfonate (NaSS) in PES solution followed by a phase-separation technique. Then, semi-interpenetrating network membranes modified by the crosslinked copolymers of poly(sulfobetaine methacrylate- co -sodium p -styrene sulfonate) [P(SBMA- co -NaSS)] were prepared. The SBMA-containing copolymer-modified membranes showed improved protein antifouling properties with flux recovery ratios above 90%. Furthermore, the anticoagulant properties of the NaSS-containing copolymer-modified membranes were obviously enhanced; their activated partial thromboplastin time could be prolonged to about 115 s. Thus, the P(SBMA- co -NaSS) zwitterionic copolymer-modified membranes showed improved antifouling properties and blood compatibility and will provide wide choices for their specific applications. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 41585.
研究领域:
材料科学
·
生物医学工程
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2023
·Vol. 141
·期 9
·e55033
·
IF 3
Qingliang Meng,Yunxiao Dong,Yong Yang,Jinggang Wang,Juan Li,Jin Zhu
In this work, dioctyl 2,5-thiophenedicarboxylate (DOT), a potentially bio-based plasticizer, was synthesized and evaluated as an alternative to traditional petroleum-based plasticizers. The chemical structure of DOT was confirmed by FTIR and 1 H NMR. Besides, its plasticization effect on poly(vinyl chloride) (PVC) was investigated in detail, and dioctyl 2,5-furandicarboxylate (DOF) as well as dioctyl isophthalate (DOIP) with similar chemical structures were used as references. The DMA results showed that the glass transition temperature ( T g ) of PVC/DOT, PVC/DOF, and PVC/DOIP was 45.1°C, 33.6°C, and 51.3°C, respectively, indicating that the plasticizing efficiency of DOT was better than that of DOIP but lower than that of DOF. However, the tensile test results exhibited that the elongation at the break of PVC/DOT was higher than that of PVC/DOF, which was attributed to the easy phase separation between DOF and PVC. In addition, DOT displayed the best volatility resistance and exudation resistance among the three plasticizers, attributed to its highest molecular weight. Moreover, the migration loss of DOT in non-polar solvents was much smaller than that of DOIP because of its stronger molecular polarity. In conclusion, DOT has good potential to replace traditional petroleum-based plasticizers and be used as a primary plasticizer for PVC.
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2024
·Vol. 142
·期 10
·e56550
·
IF 2.7
Yuhang Huang,Yingkang Zhu,Lijun Cao,Yidan Jing,Zhigang Xu,Guochu Tang,You Shu,Xiaoqing Liu,Xiaomin Zhang
The photo-induced cis-trans isomerization of azobenzene molecules, known for their significant color changes, is extensively utilized in the functional modification of polymeric materials. However, the research on the functionalization of biomass-based polyesters with azobenzene is limited. A key raw material for biomass-based coatings possess reactive double bonds and excellent film-forming capabilities, offering significant advantages for azobenzene functionalization in biomass-based polyester applications. In this study, AESO served as the polyester matrix and acrylate azobenzene derivatives as the functional molecules. Under ultraviolet radiation, AESO underwent a carbon–carbon crosslinking reaction with the azobenzene derivatives to synthesize a novel resin. The coating of this resin on a PET substrate exhibited excellent pencil hardness (3B), adhesion (5B), and solvent resistance. By alternating exposure to ultraviolet and blue light, the coating displayed reversible switching between cis and trans isomers, enabling reversible writing and erasing of patterns. Even after 20 cycles of writing and erasing, high-resolution patterns could still be observed (clearly visible under a 12x microscope). Furthermore, the image could be retained for up to 2 h under sunlight irradiation. This study presents a new method for functionalizing biobased polyesters.
研究领域:
材料科学
·
生物质化学
·
光学材料
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2014
·Vol. 131
·期 22
·
IF 1.64
Lanlan Liu,Jinbao Guo,Jie Wei
A fluorescence imaging system is designed based on the photodecomposition of photobase generators embedded in polyvinyl butyral (PVB) matrix. These photobase generators were synthesized with propyl and phenethyl units served as leaving groups, and phthalimido, succinimido, di-2-thienyl ketoximino, and benzophenoneoximino units acted as photosensitive species, respectively. The influences of the two leaving groups and four photosensitive species on the photochemical behavior were investigated in detail. The results demonstrate that the photochemical properties of these photobase generators depend on the photosensitive species other than the leaving groups. And further study shows that succinimido propylcarbamate (SPrC) exhibits the best thermal stability and relatively quick rate of photodecomposition among all the photobase generators. Therefore, a PVB film embedded with SPrC is used as a fluorescence imaging material. The patterned fluorescence image obtained from the fluorescamine-treated irradiated PVB film showed bright green fluorescence, which provides potential application for optical storage or color electronic displays. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014 , 131 , 41058.
研究领域:
材料科学
·
化学
·
光学工程
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DOI
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2012
·
IF 1.289
Di Zhao,JianFeng Xu,Lu Wang,JianJia Du,KeDong Dong,CaiFei Wang,XiangDong Liu
Two phosphorylated chitosan derivatives with a similar degree of substitution of about 0.5 were synthesized via either the esterification of chitosan's hydroxyl groups by P 2 O 5 in methanesulfonic acid or the selective incorporation of methylene phosphonic groups on chitosan's amino groups by formaldehyde/H 3 PO 3 in water. The performances of the resulting O -phosphorylated chitosan (OPC) and N -methylene phosphonic chitosan (NMPC) as amphoteric flocculants were assessed in comparison with that of unmodified chitosan. In turbidity removal experiments using kaolin suspensions in water, OPC removed about 90% turbidity, but NMPC only removed 60%. The lower flocculation efficiency of NMPC was attributed to the decreased acid strength of the N -methylene phosphate groups in NMPC. These results revealed that the acidity of the phosphate groups introduced in the modified chitosans is an important factor with regard to the flocculation efficiency, and consequently that O-phosphorylation is more suitable than N-phosphorylation for preparing chitosan-based amphoteric flocculants. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
研究领域:
材料科学
·
环境科学
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DOI
高影响因子
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