Journal of Polymer Research最新文献

{"title":"Effect of different forms of SiO2 nanoparticles on the performance of 3D-printed Poly(lactic acid) composites","authors":"Ning Ma,&nbsp;Jiacong Chen,&nbsp;Ziyang Chen,&nbsp;Qian Cheng,&nbsp;Yang Chen,&nbsp;Juhe Sun","doi":"10.1007/s10965-025-04398-w","DOIUrl":"10.1007/s10965-025-04398-w","url":null,"abstract":"<div><p>Poly(lactic acid) (PLA)-based composites incorporated with silicon dioxide (SiO₂) nanoparticles are widely used in medical, aviation, automotive and other fields due to their excellent mechanical, antibacterial and biocompatibility properties. However, current research has primarily focused on the influence of a single type of SiO₂ nanoparticle at varying concentrations, and there is limited research on how the size and shape of hydrophobic SiO₂ nanoparticles affect the properties of PLA matrix. Here, this study prepares PLA/SiO₂ nanoparticle composites using hydrophobically modified SiO₂ nanoparticles of different sizes and shapes and investigates the effect of nanoparticle size and shape on composites. Mechanical and thermodynamic tests results show that the addition of SiO₂ nanoparticles can significantly improve the mechanical properties and thermal stability of PLA composites, which can be explained by the contribution of nanoparticle dispersion, interfacial interaction and particle morphology. Scanning electron microscopy images of the tensile fracture surfaces further verify the effect of different forms of SiO₂ nanoparticles on PLA matrix, offering valuable guidance for the design and optimization of composites in practical applications.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143856605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on synthesis and application of copolymer poly(N,N-Diethylacrylamide-co-Acrylamide)","authors":"Ting Huo,&nbsp;Bingqian Wang,&nbsp;Wan Xu,&nbsp;Xiaojian Ou,&nbsp;Yuanjun Sun,&nbsp;Yanjun Cui,&nbsp;Yongsheng Xiang,&nbsp;Zhenbin Chen","doi":"10.1007/s10965-025-04346-8","DOIUrl":"10.1007/s10965-025-04346-8","url":null,"abstract":"<div><p>Temperature-sensitive copolymer is an important functional material, and its directional application in different fields is a hotspot in recent years. This work introduced temperature-sensitive polymers into membrane materials for separation and enrichment of metal ions, and the process was designed as follows: Firstly, the temperature-sensitive copolymers of P (N, N-diethylacrylamide-co-acrylamide) (P(DEA-co-AM)) was successfully synthesized with different monomer feed ratios by radical polymerization at 70 °C. Secondly, series characterization methods were adopted to study the structure of samples, and following results were achieved. After integrating the characteristic peak areas of the ¹H NMR, reactive ratios of DEA and AM was obtained by Fineman-Ross method(F-R) and Kelen-Tudos method(K-T), respectively, and result also evidenced that as the feed molar ratio of DEA to AM was 8: 2, the average segment length ratio between AM and DEA in P (DEA-co-AM) were 1.073: 8.072, respectively. FT-IR and DSC characterization results shown that the synthesized polymer was copolymer and random copolymer, respectively, UV–visible spectrophotometer test result showed the copolymer exhibited a good thermosensitive. Finally, a smart imprinted membrane was prepared by this copolymer with PVDF and was used for selectively adsorbing ruthenium (III) from the complex environmental, and experiments results documented that the imprinted membrane displayed a good adsorption capacity, which provided a great development potential in separation and enrichment of ruthenium (III) fields.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143856589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temperature-dependent dielectric properties of carboxymethyl cellulose-polyethylene oxide films doped with zinc oxide and copper oxide for energy storage","authors":"S. T. Hameed,&nbsp;Talal F. Qahtan,&nbsp;A. M. Abdelghany,&nbsp;A. H. Oraby","doi":"10.1007/s10965-025-04329-9","DOIUrl":"10.1007/s10965-025-04329-9","url":null,"abstract":"<div><p>Metal oxide nanoparticle-polymer hybrids are appealing solid materials that combine enhanced chemical and physical characteristics with elasticity, making them highly suitable for electrical device applications. This study focuses on the preparation and characterization of hybrid films composed of carboxymethyl cellulose (CMC) and polyethylene oxide (PEO) in a 70:30 weight ratio, incorporated with zinc oxide and copper oxide nanoparticles (ZCNP). The films were fabricated using a solution casting method, with the nanoparticles synthesized via the sol-gel technique. The temperature dependence of key electrical properties, including dielectric constant (ε'), dielectric modulus, relaxation behavior, AC conductivity, and activation energy, was systematically analyzed. At frequency (f) = 10 Hz, ε' of the CMC/PEO and CMC/PEO-ZCNP (2 wt%) samples was 56.34 and 7916.36 at 308 K respectively, while it reached 6222.65 and 152364 when the temperature changes to 333 K. Their relaxation time (τ) dropped from 59.5 and 0.40 µs to 1 and 0.18 µs in the same temperature range. At f = 10 Hz and T=308 K, electrical conductivity (σ') improved, with CMC/PEO showing log(σ') = -9.3605 (σ' = 4.36E-10 Ω·m⁻¹) and 2% ZCNP achieving log(σ') = -7.3142 (σ' = 4.85E-8 Ω·m⁻¹). The results demonstrated a significant enhancement in the dielectric constant of the hybrid films compared to the unmodified polymer blend, while maintaining a low dielectric loss. These enhancements are attributed to the incorporation of zinc oxide and copper oxide nanoparticles, which promote multiple polarization mechanisms and enhance charge carrier dynamics. The findings suggest that these hybrid films hold great potential for use in high-density energy storage devices and integrated thin-film capacitors, offering a scalable and efficient solution for next-generation electronic applications.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High-Efficiency photocatalytic degradation of polystyrene microplastics using In2O3-rGO nanocomposite catalysts under visible Light","authors":"Pinki Devi,&nbsp;Jitendra Pratap Singh","doi":"10.1007/s10965-025-04397-x","DOIUrl":"10.1007/s10965-025-04397-x","url":null,"abstract":"<div><p>Polystyrene, when present as microplastics, is a significant pollutant with detrimental effects on human health. In light of this issue, our study introduces a method for the degradation of polystyrene through photocatalysis and its subsequent removal from drinking water via filtration. We investigated the photocatalytic degradation of 500 nm polystyrene (PS) using the highly efficient In₂O₃-rGO nanocomposite under visible light. FESEM analysis demonstrated that, after 12 h of visible light exposure, the size of the polystyrene beads decreased from 500 to 280 nm. This process resulted in a 56% degradation efficiency of polystyrene by the In₂O₃-rGO nanocomposite. Furthermore, the degraded polystyrene beads began to form networks, and with continued exposure to visible light, they merged into larger aggregates, as observed in FESEM images. Raman spectroscopy showed an increase in the peak at 1003.20 cm⁻¹ with extended visible light exposure, indicating a crucial step in the degradation process. Additionally, FTIR analysis confirmed the formation of carbonyl groups with increased light exposure, supporting the degradation of polystyrene. Our study presents a method and mechanism demonstrating how the In₂O₃-rGO nanocomposite not only reduces the size of polystyrene but also facilitates the formation of networks among degraded polystyrene beads, aiding in the filtration of smaller polystyrene particles.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143840295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transparent PMMA films toughened via in-situ solution copolymerization for potential application as protective film in polarizer","authors":"Zhuo Sang,&nbsp;Liangyong He,&nbsp;Bin Yang,&nbsp;Tianyu Lu,&nbsp;Shijun Kang,&nbsp;Jiaojiao Sang,&nbsp;Zhengzhi Zheng,&nbsp;Weiqiang Hu,&nbsp;Jiasheng Qian,&nbsp;Ning Jia,&nbsp;Yuchao Ke","doi":"10.1007/s10965-025-04339-7","DOIUrl":"10.1007/s10965-025-04339-7","url":null,"abstract":"<div><p>In this work, free radical solution polymerization was used to prepare polymeric nanocomposite films by copolymerization of flexible butyl acrylate (BA) monomer and modified nano−silica with methyl acrylate (MMA) monomer. Our findings showed that the addition of BA monomer and nano−silica had limited effect on the transmittance of PMMA films, and the transmittance could achieve as high as 93%. Perfect overall properties of the as−prepared films (with a tensile strength of 36 MPa and an elongation at break of 42%) could be achieved when the monomer MMA:BA was set as 6:2 at a nano−silica content of 20 wt%. The PMMA−based nanocomposite films prepared in this work possessed excellent transparency, desired toughness and good hydrophobicity, which made them potentially promising for the applications as protective films for polarizing films.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143845639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of MXene-enhanced polyvinyl alcohol nanofibers: a comprehensive study on synthesis and characterization","authors":"Aparna Zagabathuni,&nbsp;V. P. Muhammad Rabeeh,&nbsp;G. Sree Pranavi","doi":"10.1007/s10965-025-04382-4","DOIUrl":"10.1007/s10965-025-04382-4","url":null,"abstract":"<div><p>The integration of two-dimensional materials into polymer matrices has garnered significant attention in recent years owing to their potential to enhance the mechanical and electrical properties of composite materials. This study focuses on synthesizing polyvinyl alcohol (PVA) and Ti₃C₂T_x MXene into a nonwoven nanofiber (NF) composite mat using electrospinning. Following the electrospinning process, the fibers underwent pyrolysis, which is a crucial step that enhances their electrical conductivity and structural integrity. To characterize the nanofibers, X-ray diffraction (XRD), Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), and field-emission scanning electron microscopy (SEM) were performed. XRD and FTIR analyses confirmed the presence of both PVA and MXene, whereas SEM revealed improved morphological properties, including an increased surface area and a higher number of active sites. The Raman spectra provided insights into the defect densities, with the I_D/I_G ratio indicating that the incorporation of MXene and subsequent pyrolysis effectively increased the defect density in PVA while enhancing its amorphous nature. Importantly, electrical conductivity measurements demonstrated a substantial enhancement in the direct current conductivity of the pyrolyzed PVA-MXene composite fibers.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143845725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Plastic deformation analysis of polyacrylonitrile fibers subject to tension: visualization of fibrillation behavior","authors":"Quan Gao,&nbsp;Zhihan Wang,&nbsp;Yongfa Zhou,&nbsp;Jiang Ren","doi":"10.1007/s10965-025-04394-0","DOIUrl":"10.1007/s10965-025-04394-0","url":null,"abstract":"<div><p>To develop next-generation polyacrylonitrile (PAN) based carbon fibers with enhanced mechanical performance, it is crucial to understand the plastic deformation mechanisms of PAN fibers during stretching process. In this work, the morphological changes of intermediate microfibril structures within PAN fibers at various stages along the stress–strain process were visualized using the ultrathin sectioning technology and electron microscopy. Upon approaching the yield point, the crystalline structure's constraints were compromised, leading to the initiation of microfibril slippage. During the necking process, the varying mechanical responses of the interpenetrated network resulted in a radial gradient in the orientation degree and packing density of microfibrils along the stretching direction. The stretching-induced fibrillation resulted in the alignment of microfibril elements and subsequent recrystallization, thereby facilitating significant macroscopic deformation. The fracture failure of PAN fibers was attributed to the cracking and breakage of the microfibril network, which involved the pull-out of microfibril elements and disentanglement of the interpenetrated network. Furthermore, a novel structural model was developed to elucidate the plastic deformation mechanisms of microfibril elements during macro-drawing of fibers. This model is anticipated to enhance the design and optimization of the microstructure and processing techniques for high-performance PAN fibers.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation of PBS-g-IAH and the effect on the performance of PLA/PBS composite","authors":"Tiejun Ge,&nbsp;Miao He,&nbsp;Yang Yu,&nbsp;Qi Yue,&nbsp;Wanrong Liu,&nbsp;Xiaofeng He,&nbsp;Qitao Shi,&nbsp;Bo Wen,&nbsp;Peihan Liu,&nbsp;Ning Liu,&nbsp;Xiaofeng Liu","doi":"10.1007/s10965-025-04391-3","DOIUrl":"10.1007/s10965-025-04391-3","url":null,"abstract":"<div><p>Polylactic acid (PLA) and poly(butylene succinate) (PBS) are thermodynamically incompatible systems, and usually require the addition of compatibilizers or chain extenders to improve their compatibility. In this paper, PBS grafted itaconic anhydride (IAH) (PBS-g-IAH) was prepared by melt grafting method with diisopropylbenzene peroxide (DCP) as initiator and was used as the compatibilizer to prepare PLA/PBS-g-IAH/PBS composite. FTIR and Raman spectroscopy were used to characterize the grafting products. The effects of the dosages of DCP and IAH on the grafting rate of PBS-g-IAH were investigated. The results of FTIR and Raman spectroscopy showed that IAH had been successfully grafted onto the PBS molecular chains. When the amounts of DCP and IAH were 0.4% and 10% of the PBS mass, respectively, the product achieved the highest grafting rate of 1.46%. The crystallization properties, micro-morphology, rheological properties, mechanical properties, and heat resistance of the composites were investigated by DSC, SEM, rotary rheometer, electronic tensile testing machine, impact testing machine and Vicat softening temperature tester. The results showed that as the grafting rate of PBS-g-IAH was 1.30% and the mass fraction was 5%, the composite exhibited the best comprehensive properties, and the elongation at break was increased from 235.5% to 381.4% compared with that without PBS-g-IAH. The impact strength was increased from 4.4 kJ/m² to 5.9 kJ/m² and the softening temperature was increased from 72.5℃ to 129.4℃. According to the DSC analysis, the <i>T</i>_<i>g</i> of PLA/PBS blends decreased from 54.4℃ to 46.7℃ when the mass fraction of PBS-g-IAH was 5%. The SEM images showed that PBS-g-IAH had a good compatibilizing effect on PLA/PBS blend.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Innovative PEEK membrane structure fabrication using non-solvent induced phase separation","authors":"Harish Vishnu Gunjal,&nbsp;Gurminder Singh","doi":"10.1007/s10965-025-04386-0","DOIUrl":"10.1007/s10965-025-04386-0","url":null,"abstract":"<div><p>Research on the fabrication of polymeric membranes for energy conversion, wastewater treatment, filtration, and gas separation applications has attracted attention for high-temperature and chemical-resistant polymeric materials such as poly ether ether ketone (PEEK). In this study, a non-solvent induced phase separation (NIPS) technique was introduced to prepare a porous PEEK membrane. 4-chlorophenol (4 CP) was used as a compatible solvent for the dissolution and precipitation of PEEK, which was achieved through solidification of the membrane by NIPS in three different nonsolvents: ethanol (EtOH), water, and isopropanol (IPA). The processing of PEEK in 4 CP had no effect on its chemical structure, and the achieved thermal properties were similar to virgin PEEK. Process parameters such as polymer concentration and the use of nonsolvents were studied to understand their effects on membrane morphology and performance. Changes in polymer concentration not only alter the casting solution rheology but also restrict the percentage of polymer, which affects the membrane morphology, whereas the use of nonsolvents affects the morphology through diffusion of solvent into nonsolvent. EtOH and IPA as nonsolvents showed sudden changes in the color of the membrane from transparent to white, which resulted in instantaneous de-mixing of solvent and nonsolvent, that formed finger-like structure at 7 wt% and 9 wt% polymer concentrations. Water as a nonsolvent showed a slow color change for phase separation, which resulted in delayed de-mixing, and formed sponge-like structure in the membranes with 7 wt%, 9 wt%, and 11 wt % polymer concentrations. Partial solidification before immersion of the membrane in nonsolvents was observed at 11 wt% polymer concentration owing to reduction in temperature. A dense PEEK membrane was observed after 9 wt% immersion in water, and a porous PEEK membrane was observed after 11 wt% immersion in IPA. Raising the polymer concentration increased the density and reduced membrane shrinkage. The proposed novel approach advances the fabrication of PEEK membranes through the dissolution of PEEK in 4 CP without the use of concentrated acids as well as the synthesis of the PEEK precursor and NIPS process.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 4","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Novel sustainable and thermal-responsive composite hydrogel based on poly (vinyl alcohol)-glycerin-xanthan gum as a drug carrier for metronidazole","authors":"Mitra Baghali,&nbsp;Hakimeh Ziyadi,&nbsp;Antonio Di Martino","doi":"10.1007/s10965-025-04371-7","DOIUrl":"10.1007/s10965-025-04371-7","url":null,"abstract":"<div><p>Due to temperature sensitivity, biocompatibility, biomedical applications and versatility a lot of interest has always been focused on the synthesis, characterization, and application of thermo-responsive hydrogels. In this study, a set of thermal responsive biocomposite hydrogels composed of poly (vinyl alcohol) (PVA) and Xanthan Gum (XG) biopolymers were fabricated by a low-cost and simple approach based on solution mixing method followed by double physical crosslinking with glycerol (Gly) and then freeze-thawing method. The obtained hydrogels have shown mechanical properties and chemical stability. SEM results demonstrated that the resultant hydrogels had asymmetric structures with interconnected non-uniform porous networks offering sufficient space for cell growth, attachment, proliferation, and drug or water molecule absorption and release. Drug-loaded hydrogels through the swelling diffusion method display good absorption and distribution of drug (N atoms) which were confirmed by EDX. The presence of all components in prepared hydrogels was approved by FT-IR and XRD analysis. The obtained samples also showed suitable mechanical and thermal stability. Moreover, UV–Vis spectroscopy was employed to assess the drug release profile of metronidazole from the hydrogels at various pH and temperatures, revealing a temperature-dependent and slow-release pattern of metronidazole over 10 h. Therefore, they are a potential candidate for controlled drug delivery applications. The antimicrobial properties of the hydrogels were investigated against <i>Escherichia coli</i> and <i>Bacteroides fragilis</i>. The results indicated they are only effective against <i>Bacteroides fragilis</i> without any growth inhibition against <i>Escherichia coli,</i> PVA-Gly-XG hydrogel is a promising candidate worthy of extensive exploration in specific anti-bacterial systems.</p></div>","PeriodicalId":658,"journal":{"name":"Journal of Polymer Research","volume":"32 4","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143830668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}