European Polymer Journal最新文献_第8页

An investigation of solvolytic reactions and exploration of 2-(dimethylamino)ethyl methacrylate/methyl acrylate free radical copolymerization kinetics 2-（二甲氨基）甲基丙烯酸乙酯/丙烯酸甲酯自由基共聚动力学研究及溶剂溶解反应

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-09-02 DOI: 10.1016/j.eurpolymj.2025.114253

Opeyemi J. Ajogbeje, Robin A. Hutchinson

{"title":"An investigation of solvolytic reactions and exploration of 2-(dimethylamino)ethyl methacrylate/methyl acrylate free radical copolymerization kinetics","authors":"Opeyemi J. Ajogbeje, Robin A. Hutchinson","doi":"10.1016/j.eurpolymj.2025.114253","DOIUrl":"10.1016/j.eurpolymj.2025.114253","url":null,"abstract":"<div><div>In-situ NMR is used to determine individual monomer conversion profiles and thus comonomer composition drifts vs. overall monomer conversion for the radical copolymerization of 2-(dimethylamino)ethyl methacrylate (DMAEMA) with methyl acrylate (MA) in dimethyl sulfoxide, toluene, ethanol (EtOH), and an ethanol/water mixture containing 75 wt% EtOH. A faster incorporation of DMAEMA was observed in the copolymer compared to MA in all systems, with the data used to estimate reactivity ratios. In addition, the copolymer composition-averaged propagation rate coefficients (<span><math><msubsup><mi>k</mi><mrow><mi>p</mi></mrow><mrow><mi>c</mi><mi>o</mi><mi>p</mi></mrow></msubsup></math></span>) were obtained using the pulsed laser polymerization – size exclusion chromatography (PLP-SEC) technique for the system in bulk and in EtOH. While the terminal model provided a good representation of copolymer composition, the penultimate model was needed to represent DMAEMA-MA <span><math><msubsup><mi>k</mi><mrow><mi>p</mi></mrow><mrow><mi>c</mi><mi>o</mi><mi>p</mi></mrow></msubsup></math></span> behavior. When DMAEMA and MA were present in water-rich EtOH/water mixtures, the solvolysis of DMAEMA formed methacrylic acid (MAA) and ethyl methacrylate (EMA), potentially leading to formation of a tetrapolymer. While the kinetics of this more complex system was not studied, it was demonstrated that the influence of monomer solvolysis can be important for DMAEMA copolymerization in aqueous solvent mixtures.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"239 ","pages":"Article 114253"},"PeriodicalIF":6.3,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144997664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

One-pot non-isocyanate urethane synthesis via visible light-activated Curtius rearrangement 可见光活化Curtius重排法一锅法合成非异氰酸酯聚氨酯

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-09-02 DOI: 10.1016/j.eurpolymj.2025.114255

Vu Thi Tuyet Thuy , Saibal Jana , Wolfgang Wenzel , Patrick Theato , Azra Kocaarslan

{"title":"One-pot non-isocyanate urethane synthesis via visible light-activated Curtius rearrangement","authors":"Vu Thi Tuyet Thuy , Saibal Jana , Wolfgang Wenzel , Patrick Theato , Azra Kocaarslan","doi":"10.1016/j.eurpolymj.2025.114255","DOIUrl":"10.1016/j.eurpolymj.2025.114255","url":null,"abstract":"<div><div>Curtius rearrangement is a highly versatile and powerful synthetic strategy for converting acyl azides into isocyanates. Herein, we introduce a visible-light-induced non-isocyanate method as an innovative ligation approach for urethane linkage formation, enabling the photochemical in situ generation of isocyanates under mild conditions. We design conjugated acyl azide molecules and successfully integrate these into diverse ligation processes, showcasing their versatility in small molecule synthesis, polymer chain-end functionalization, and surface modification of both inorganic and organic substrates. The resulting small molecules and materials were comprehensively characterized using nuclear magnetic resonance (NMR), attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), ultraviolet–visible (UV–Vis) and fluorescence spectroscopy, contact angle (CA) measurements, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Critically, density functional theory (DFT) calculations provided molecular-level insights into the reaction mechanism, revealing how electronic effects influence the initiation efficiency of acyl azides. Our simple yet highly efficient visible-light-driven ligation strategy paves the way for new applications in the fabrication of complex macromolecular architectures, advanced biomaterials, as well as hydrogel networks.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"239 ","pages":"Article 114255"},"PeriodicalIF":6.3,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145005282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improved actuation of liquid crystal elastomers via solvent engineering 通过溶剂工程改进液晶弹性体的驱动

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-09-01 DOI: 10.1016/j.eurpolymj.2025.114254

Jin-Soo Choi , Seung-Yeol Jeon , Woong-Ryeol Yu

引用次数: 0

Design and synthesis of low dielectric constant polyimides based on fluorinated diamines with twisted triphenylmethane units and bulky side chains 基于扭曲三苯基甲烷单元和大侧链氟化二胺的低介电常数聚酰亚胺的设计和合成

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-31 DOI: 10.1016/j.eurpolymj.2025.114252

Shu-Xiao Wang , Jia-Xin Li , Shan-Yuan Zhong , Qing Liao , Mei-Jin Lin

{"title":"Design and synthesis of low dielectric constant polyimides based on fluorinated diamines with twisted triphenylmethane units and bulky side chains","authors":"Shu-Xiao Wang , Jia-Xin Li , Shan-Yuan Zhong , Qing Liao , Mei-Jin Lin","doi":"10.1016/j.eurpolymj.2025.114252","DOIUrl":"10.1016/j.eurpolymj.2025.114252","url":null,"abstract":"<div><div>With the rapid advancement of 5G communication technology, the development of novel low-dielectric constant polyimides (PIs) as interlayer dielectric materials has become a key area of research. However, the development of fluorinated diamines with simple synthetic routes remains a challenge. In this study, a facile and efficient one-step synthetic strategy was employed to construct three novel fluorinated diamines with fully non-planar and twisted structures. The influence of fluorine content and different bulky side groups on the dielectric, thermal, and optical properties of the PIs based on these diamines was investigated. Notably, the increase in fluorine content and structural non-planarity significantly enhanced the dielectric properties and moisture resistance. Among the synthesized PIs, FPOPF-6FDA exhibited the most favorable performance, with a low dielectric constant (<em>D</em><sub>k</sub> = 2.20 @ 10<sup>8</sup> Hz), low dissipation factor (<em>D</em><sub>f</sub> = 0.00755 @ 10<sup>8</sup> Hz), low water absorption (<em>W</em><sub>A</sub> = 0.89 %), and high hydrophobicity (<em>WC</em><sub>A</sub> = 93.90°). Moreover, the non-planar and twisted fluorinated diamines did not compromise the thermal stability (<em>T</em><sub>d5</sub> > 500 °C, <em>T</em><sub>g</sub> = 250.87–340.13 °C), optical transparency (<em>T</em><sub>500</sub> > 85.90 %), or solubility in organic solvents of these PIs. This work provides valuable insights into the molecular design and cost-effective synthesis of high-performance low-dielectric PIs.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"239 ","pages":"Article 114252"},"PeriodicalIF":6.3,"publicationDate":"2025-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144997663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Constructing Chitosan/Poly(L-lactide-co-ε-caprolactone) nanofiber yarns with highly aligned structure for biomedical applications 构建具有高度排列结构的医用壳聚糖/聚l -乳酸-co-ε-己内酯纳米纤维纱线

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-30 DOI: 10.1016/j.eurpolymj.2025.114251

Kun Li , Mohashin Kabir , Mahbubur Rahman , Shaojuan Chen

{"title":"Constructing Chitosan/Poly(L-lactide-co-ε-caprolactone) nanofiber yarns with highly aligned structure for biomedical applications","authors":"Kun Li , Mohashin Kabir , Mahbubur Rahman , Shaojuan Chen","doi":"10.1016/j.eurpolymj.2025.114251","DOIUrl":"10.1016/j.eurpolymj.2025.114251","url":null,"abstract":"<div><div>The development of advanced electrospun nanofiber yarns (ENYs) featuring highly aligned structures has garnered considerable attention, as these ENYs serve as fundamental building blocks for biomedical textile fabrication. In this work, we successfully fabricated highly aligned chitosan (CS)/poly(L-lactide-co-ε-caprolactone) (PLCL) ENYs through an innovative combination of electrospinning and thermal stretching techniques. Four CS/PLCL compositions were subjected to thermal stretching at 60 °C to generate 4 times stretching range, resulting in markedly improved fiber alignment and morphological characteristics. Mechanical characterization revealed an interesting trade-off: while Young’s modulus decreased post-stretching, elongation at break increased substantially, indicating enhanced material flexibility. Degradation studies demonstrated composition-dependent behavior, with higher CS content accelerating biodegradation rates. Notably, surface wettability was effectively tuned, as evidenced by water contact angle measurements decreasing dramatically from 130° to 69° with increasing CS content. Most importantly, the 1 % CS/PLCL formulation emerged as particularly promising, demonstrating exceptional antibacterial performance (86.2 % inhibition against <em>E. coli</em>) coupled with outstanding human dermal fibroblast adhesion and proliferation. Comprehensive evaluation revealed that these highly aligned nanofibers, especially the 1 % CS/PLCL variant, achieved an optimal combination of structural properties (morphology and crystallinity), degradation kinetics, antibacterial efficacy, and biocompatibility.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"238 ","pages":"Article 114251"},"PeriodicalIF":6.3,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144925864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Zwitterionic locking of spiropyran-based block copolymer self-assembly 螺旋吡喃基嵌段共聚物自组装的两性离子锁定

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-28 DOI: 10.1016/j.eurpolymj.2025.114236

Namhee Kim , Junsu Kim , Gwanyu Kim , Eunji Lee , Du Yeol Ryu , Byeong-Su Kim

{"title":"Zwitterionic locking of spiropyran-based block copolymer self-assembly","authors":"Namhee Kim , Junsu Kim , Gwanyu Kim , Eunji Lee , Du Yeol Ryu , Byeong-Su Kim","doi":"10.1016/j.eurpolymj.2025.114236","DOIUrl":"10.1016/j.eurpolymj.2025.114236","url":null,"abstract":"<div><div>This study explores the role of zwitterionic interactions in the self-assembly behavior of block copolymers containing polydimethylsiloxane (PDMS) and spiropyran (SP) in response to reversible UV-induced isomerization from SP to merocyanine (MC). This alters the polarity and rigidity of the self-assembled copolymer, modulating intermolecular interactions among the copolymer blocks. The self-assembly behavior of SP- and MC-containing block copolymers was investigated in both solution and bulk states, highlighting interactions among zwitterionic MC units. Notably, the relaxation kinetics of MC-to-SP ring closure were highly sensitive to the medium, as confirmed via UV–vis spectroscopy. Structural reorganization following photoisomerization was characterized via dynamic light scattering, atomic force microscopy, and small-angle X-ray scattering, revealing changes in polymer aggregate size and domain spacing, attributable to strong zwitterionic interactions in both solution and bulk. These findings demonstrate the role of photoinduced zwitterionic interactions in block copolymer self-assembly and provide insights into the design of photoresponsive polymeric materials.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"238 ","pages":"Article 114236"},"PeriodicalIF":6.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144924969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of bimodal polyethylene by unsymmetric hafnium and zirconium complexes bearing NN-Bidentate amino ligands 含n -双齿氨基配体的不对称铪锆配合物合成双峰聚乙烯

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-28 DOI: 10.1016/j.eurpolymj.2025.114235

Mengxue Zhang , ShuaiZeng Li , Ze Kan , Shaofeng Liu

{"title":"Synthesis of bimodal polyethylene by unsymmetric hafnium and zirconium complexes bearing NN-Bidentate amino ligands","authors":"Mengxue Zhang , ShuaiZeng Li , Ze Kan , Shaofeng Liu","doi":"10.1016/j.eurpolymj.2025.114235","DOIUrl":"10.1016/j.eurpolymj.2025.114235","url":null,"abstract":"<div><div>Bimodal polyethylene is a class of high-performance polyolefin with excellent mechanical property and good processability. However, their synthesis usually requires two distinctive catalysts or two sequential processes that make it being a continuing challenge. In this contribution, a series of hafnium (<strong>Hf1</strong>–<strong>Hf3</strong>) and zirconium (<strong>Zr1</strong>) complexes bearing NN-bidentate amino ligands were developed to synthesize bimodal polyethylene using one catalyst in one reactor, owing to their unique unsymmetric structures. These Hf and Zr complexes were easily synthesized by one-pot reactions of amino ligands with <em>in situ</em> formed MMe<sub>4</sub> (M = Hf or Zr). All metal complexes were characterized by <sup>1</sup>H and <sup>13</sup>C NMR spectroscopy, and the molecular structure of <strong>Hf1</strong> was determined by single-crystal X-ray diffraction. These Hf and Zr complexes exhibited high activity toward ethylene homopolymerization (up to 15600 kg(polymer)·mol<sup>−1</sup>(M)·h<sup>−1</sup>) and ethylene/1-octene copolymerization (up to 4320 kg(polymer)·mol<sup>−1</sup>(M)·h<sup>−1</sup>). The resulting polymers showed tunable molecular weights with bimodal distributions for most cases. The polymerization results revealed the nature of the ligand strongly influenced the catalytic performance, and those with electron-donating substituents promoted polymerization. Furthermore, the activity of <strong>Hf1</strong> was higher than that of <strong>Zr1</strong> analogue with the same ligand, underscoring the metal center played a critical role in catalytic properties.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"238 ","pages":"Article 114235"},"PeriodicalIF":6.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144919749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of N-Heterocyclic carbene complexes with different substituents to tune the electron density of iron center and their catalytic performance in ICAR-ATRP 不同取代基的n -杂环羰基配合物对铁中心电子密度的调节及其在ICAR-ATRP中的催化性能

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-27 DOI: 10.1016/j.eurpolymj.2025.114233

Mustafa Semih Yıldırım , Emirhan Gencosman , Gulbahar Bozan , Jing Gu , Gregory I. Elliott , Douglas Grotjahn , Huseyin Cem Kiliclar , Cuneyt Huseyin Unlu

{"title":"Synthesis of N-Heterocyclic carbene complexes with different substituents to tune the electron density of iron center and their catalytic performance in ICAR-ATRP","authors":"Mustafa Semih Yıldırım , Emirhan Gencosman , Gulbahar Bozan , Jing Gu , Gregory I. Elliott , Douglas Grotjahn , Huseyin Cem Kiliclar , Cuneyt Huseyin Unlu","doi":"10.1016/j.eurpolymj.2025.114233","DOIUrl":"10.1016/j.eurpolymj.2025.114233","url":null,"abstract":"<div><div>Iron-based <em>N</em>-heterocyclic carbenes (NHCs) have been demonstrated to be a promising catalysts in atom transfer radical polymerizations (ATRP). However, the critical role of electron density surrounding the core metal ion and its influence on the catalyst’s activity is still vague. The objective of this study is to elucidate the relationship between the electron density of the metal center and catalytic activity using initiators for continuous activator regeneration (ICAR) ATRP. To this end, a set of four distinct NHCs were synthesized, characterized, and their activities were examined in the context of ICAR-ATRP employing various monomers, namely methyl methacrylate and styrene. The electron density surrounding the metal center in Fe-based complexes (FeX<sub>3</sub>(NHC)) was regulated through the utilization of diverse substituent groups, including −OCH<sub>3</sub>, −I, −CN, and −H. The electronic properties of the catalysts were investigated by density functional theory (DFT) calculations. The polymerization results demonstrated improved control over the process with increasing electron-donating characteristics of the substituent groups on the NHC ligand. The catalyst exhibited enhanced control over the polymerization process, as evidenced by narrow dispersity values ranging from 1.33 to higher for methyl methacrylate and from 1.14 to higher for styrene. Additionally, high conversion ratios of up to 50 % were observed for both monomers, even at relatively low catalyst concentrations ranging from 50 to 250 ppm.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"238 ","pages":"Article 114233"},"PeriodicalIF":6.3,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spiropyran-functionalized alginate biomaterials with light-responsive fluorescence 具有光响应荧光的螺吡喃功能化藻酸盐生物材料

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-27 DOI: 10.1016/j.eurpolymj.2025.114237

Fei Li, Jingquan Liu, Xiaole Gong, Fan Qiao, Junhui Chen, Honglei Liu

引用次数: 0

Thermal-resistant semiconductive oligomers via bis(phenyl)fluorene-functionalized phenoxy-imine frameworks 通过双（苯基）芴功能化苯氧亚胺框架的耐热半导体低聚物

IF 6.3 2区化学

European Polymer Journal Pub Date : 2025-08-27 DOI: 10.1016/j.eurpolymj.2025.114232

İsmet Kaya , Feyza Kolcu , Süleyman Çulhaoğlu

{"title":"Thermal-resistant semiconductive oligomers via bis(phenyl)fluorene-functionalized phenoxy-imine frameworks","authors":"İsmet Kaya , Feyza Kolcu , Süleyman Çulhaoğlu","doi":"10.1016/j.eurpolymj.2025.114232","DOIUrl":"10.1016/j.eurpolymj.2025.114232","url":null,"abstract":"<div><div>In this study, two oligo(phenoxy-imine)s containing a bis(phenyl)fluorene unit were synthesized. Initially, two Schiff base monomers (AF-HBA and AF-SA) were synthesized through the one–pot condensation reaction of 9,9-bis(4-aminophenyl)fluorene (AF) with 4-hydroxybenzaldehyde (HBA) and 5-bromosalicylaldehyde (SA), respectively. Subsequently, these Schiff base monomers were oligomerized to Oligo(AF-HBA) and Oligo(AF-SA) using ammonium persulphate (APS) as an oxidant. The structures of the synthesized compounds were confirmed through FT-IR, <sup>1</sup>H NMR, <sup>13</sup>C NMR, and UV–Vis spectroscopic analyses. Additional characterization techniques included optical measurements, electrochemical assessments, fluorescence (PL) and TG analyses. The AF-SA Schiff base exhibited blue photoluminescence in DMF, with a maximum emission intensity of 949 a.u. at the optimal excitation wavelength of 460 nm, and a quantum yield (QY) value of 18 % corresponding to the emission at 477 nm. The number-average molecular weights (M<sub>w</sub>) and polydispersity indexes (PDI) of the oligomers were determined to be approximately 3750 Da with a PDI of 1.103 for Oligo(AF-HBA), while those for Oligo(AF-SA) were found to be 3900 Da with a PDI of 1.069 using GPC instrumentation. The low optical and electrochemical band gaps exhibited by the synthesized oligomers suggested their potential as semiconductive materials. The application of TGA and DSC analyses revealed that both Oligo(AF-HBA) and Oligo(AF-SA) exhibited thermal stability up to 234 °C and 294 °C respectively. Furthermore, their char amounts at 1000 °C were calculated to be relatively high at approximately 50.14 % for Oligo(AF-HBA) and 50.57 % for Oligo(AF-SA). These thermal properties, in conjunction with the obtained Limiting Oxygen Index (LOI) values, suggest that the synthesized oligomers hold potential for application in flame-retardant materials.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"238 ","pages":"Article 114232"},"PeriodicalIF":6.3,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144907398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0