ACS polymers Au最新文献

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Reactivity Ratios of Biobased Dialkyl Itaconate Radical Polymerizations Derived from In-Line NMR Spectroscopy and Size-Exclusion Chromatography 生物基衣康酸二烷基自由基聚合的反应性比来源于在线核磁共振光谱和尺寸排除色谱
IF 4.7
ACS polymers Au Pub Date : 2024-11-26 DOI: 10.1021/acspolymersau.4c0007110.1021/acspolymersau.4c00071
Marco Drache, Brunette Audree Tameno Kouanwo, Jan Christoph Namyslo, Sacha Pérocheau Arnaud, Tobias Robert and Sabine Beuermann*, 
{"title":"Reactivity Ratios of Biobased Dialkyl Itaconate Radical Polymerizations Derived from In-Line NMR Spectroscopy and Size-Exclusion Chromatography","authors":"Marco Drache,&nbsp;Brunette Audree Tameno Kouanwo,&nbsp;Jan Christoph Namyslo,&nbsp;Sacha Pérocheau Arnaud,&nbsp;Tobias Robert and Sabine Beuermann*,&nbsp;","doi":"10.1021/acspolymersau.4c0007110.1021/acspolymersau.4c00071","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00071https://doi.org/10.1021/acspolymersau.4c00071","url":null,"abstract":"<p >Itaconates available from renewable resources constitute a group of monomers that are used in several types of polymerizations. Their use in free-radical polymerizations (FRPs) is still limited due to the low propagation rate coefficients resulting in low polymerization rates and the occurrence of depropagation which is responsible for limited monomer conversion. Since FRP is considered very robust with few requirements concerning monomer purity, it is still interesting to investigate how itaconate FRP may become feasible. For this reason, copolymerizations of itaconates with other monomers well-suited for FRP are considered. In particular, copolymerization with acrylates appears to be interesting because the propagation rate of these monomers is high and depropagation is not operative at common polymerization temperatures. Copolymerizations of dibutyl and dicyclohexyl itaconate with butyl acrylate were performed to determine the copolymerization reactivity ratios required for tailoring copolymer composition. To limit the number of experiments, copolymerizations were carried out until high conversion and consumption of the individual monomers was obtained from <sup>1</sup>H NMR spectroscopy and quantitative size-exclusion chromatography.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"540–549 540–549"},"PeriodicalIF":4.7,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00071","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reactivity Ratios of Biobased Dialkyl Itaconate Radical Polymerizations Derived from In-Line NMR Spectroscopy and Size-Exclusion Chromatography. 从在线核磁共振波谱和尺寸排阻色谱法得出的生物基二烷基衣康酸根基聚合反应率。
IF 4.7
ACS polymers Au Pub Date : 2024-11-26 eCollection Date: 2024-12-11 DOI: 10.1021/acspolymersau.4c00071
Marco Drache, Brunette Audree Tameno Kouanwo, Jan Christoph Namyslo, Sacha Pérocheau Arnaud, Tobias Robert, Sabine Beuermann
{"title":"Reactivity Ratios of Biobased Dialkyl Itaconate Radical Polymerizations Derived from In-Line NMR Spectroscopy and Size-Exclusion Chromatography.","authors":"Marco Drache, Brunette Audree Tameno Kouanwo, Jan Christoph Namyslo, Sacha Pérocheau Arnaud, Tobias Robert, Sabine Beuermann","doi":"10.1021/acspolymersau.4c00071","DOIUrl":"10.1021/acspolymersau.4c00071","url":null,"abstract":"<p><p>Itaconates available from renewable resources constitute a group of monomers that are used in several types of polymerizations. Their use in free-radical polymerizations (FRPs) is still limited due to the low propagation rate coefficients resulting in low polymerization rates and the occurrence of depropagation which is responsible for limited monomer conversion. Since FRP is considered very robust with few requirements concerning monomer purity, it is still interesting to investigate how itaconate FRP may become feasible. For this reason, copolymerizations of itaconates with other monomers well-suited for FRP are considered. In particular, copolymerization with acrylates appears to be interesting because the propagation rate of these monomers is high and depropagation is not operative at common polymerization temperatures. Copolymerizations of dibutyl and dicyclohexyl itaconate with butyl acrylate were performed to determine the copolymerization reactivity ratios required for tailoring copolymer composition. To limit the number of experiments, copolymerizations were carried out until high conversion and consumption of the individual monomers was obtained from <sup>1</sup>H NMR spectroscopy and quantitative size-exclusion chromatography.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"540-549"},"PeriodicalIF":4.7,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11638788/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoinduced Rayleigh Light Scattering by Hyperbranched Poly(phenylene sulfide) Solutions: A Model for a Light Scattering Switch 超支化聚苯硫醚溶液的光诱导瑞利光散射:光散射开关模型
IF 4.7
ACS polymers Au Pub Date : 2024-11-08 DOI: 10.1021/acspolymersau.4c0004410.1021/acspolymersau.4c00044
Usha Kalra,  and , James E. Hanson*, 
{"title":"Photoinduced Rayleigh Light Scattering by Hyperbranched Poly(phenylene sulfide) Solutions: A Model for a Light Scattering Switch","authors":"Usha Kalra,&nbsp; and ,&nbsp;James E. Hanson*,&nbsp;","doi":"10.1021/acspolymersau.4c0004410.1021/acspolymersau.4c00044","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00044https://doi.org/10.1021/acspolymersau.4c00044","url":null,"abstract":"<p >Unusual photophysical and scattering behavior is described for hyperbranched poly(phenylene sulfide) materials. These materials show interactions between the π systems of the aromatic monomer units in both ground and excited states, resulting in broad ranges for absorption and emission of light. The materials also display unusual scattering behavior; this is attributed to enhanced scattering by delocalized excited states resulting from the monomer unit interactions. This enhanced scattering is seen in the resonance Rayleigh scattering and second order scattering spectra. The ability to use these materials to construct a switch based on photoinduced scattering is demonstrated: application of ∼400 nm laser light increased scattering of 700 nm light by approximately 20%.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"487–491 487–491"},"PeriodicalIF":4.7,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00044","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoinduced Rayleigh Light Scattering by Hyperbranched Poly(phenylene sulfide) Solutions: A Model for a Light Scattering Switch. 超支化聚苯硫醚溶液的光诱导瑞利光散射:光散射开关模型。
IF 4.7
ACS polymers Au Pub Date : 2024-11-08 eCollection Date: 2024-12-11 DOI: 10.1021/acspolymersau.4c00044
Usha Kalra, James E Hanson
{"title":"Photoinduced Rayleigh Light Scattering by Hyperbranched Poly(phenylene sulfide) Solutions: A Model for a Light Scattering Switch.","authors":"Usha Kalra, James E Hanson","doi":"10.1021/acspolymersau.4c00044","DOIUrl":"10.1021/acspolymersau.4c00044","url":null,"abstract":"<p><p>Unusual photophysical and scattering behavior is described for hyperbranched poly(phenylene sulfide) materials. These materials show interactions between the π systems of the aromatic monomer units in both ground and excited states, resulting in broad ranges for absorption and emission of light. The materials also display unusual scattering behavior; this is attributed to enhanced scattering by delocalized excited states resulting from the monomer unit interactions. This enhanced scattering is seen in the resonance Rayleigh scattering and second order scattering spectra. The ability to use these materials to construct a switch based on photoinduced scattering is demonstrated: application of ∼400 nm laser light increased scattering of 700 nm light by approximately 20%.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"487-491"},"PeriodicalIF":4.7,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11638783/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photocurable Oil-Based Thermosets Containing Modifiers from Renewable Sources for Coating Applications. 含可再生改性剂的光固化油基热固性涂料。
IF 4.7
ACS polymers Au Pub Date : 2024-10-28 eCollection Date: 2024-12-11 DOI: 10.1021/acspolymersau.4c00068
Vojtěch Jašek, Jan Fučík, Otakar Bartoš, Silvestr Figalla, Radek Přikryl
{"title":"Photocurable Oil-Based Thermosets Containing Modifiers from Renewable Sources for Coating Applications.","authors":"Vojtěch Jašek, Jan Fučík, Otakar Bartoš, Silvestr Figalla, Radek Přikryl","doi":"10.1021/acspolymersau.4c00068","DOIUrl":"10.1021/acspolymersau.4c00068","url":null,"abstract":"<p><p>Coating materials involving nature-inspired compounds or renewable sources have recently attracted vast attention. This article presents the synthesis of modified rapeseed oil (MRO) as a precursor possessing high biobased carbon content suitable for cured thermosets formation. Two reactive diluents based on renewable sources, methacrylated methyl 3-hydroxybutyrate (M3HBMMA) and ethyl 3-hydroxybutyrate (E3HBMMA), were successfully synthesized. Lastly, isosorbide monomethacrylate (MISD) was suggested and produced as a polarity modifier miscible with modified curable oil systems capable of increasing the thermoset surface energy. All synthesized compounds were structurally analyzed via NMR, ESI-MS, and FTIR. The characterized reactive substances were coated on paper, stainless steel, and beech wood to investigate their suitability for forming thin layers. The paper dip coating verified the reactive diluting properties of M3HBMMA, resulting in the average formed coating deviation decrease (87.5% for undiluted MRO and 28.0% for 50 wt % M3HBMMA containing MRO). Also, the additional cured thermoset weight decreased from 350 to 69 wt % for the same systems. The standardized bend test applied on the coated stainless steel specimens revealed the thermoset's flexibility and adhesion increase from a 12 ± 2° bending angle of 100% pure MRO to a 121 ± 2° bending angle measured for 40 wt % E3HBMMA containing the MRO-based thermoset. The coated beech wood samples underwent the standardized cross-hatch test investigating the substrate's coating quality. The 100% MRO reached a level 1 rating (second worst), while the system with 40 wt % of MISD obtained a level 5 rating (the best).</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"527-539"},"PeriodicalIF":4.7,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11638785/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photocurable Oil-Based Thermosets Containing Modifiers from Renewable Sources for Coating Applications 含可再生改性剂的光固化油基热固性涂料
IF 4.7
ACS polymers Au Pub Date : 2024-10-28 DOI: 10.1021/acspolymersau.4c0006810.1021/acspolymersau.4c00068
Vojtěch Jašek*, Jan Fučík, Otakar Bartoš, Silvestr Figalla and Radek Přikryl, 
{"title":"Photocurable Oil-Based Thermosets Containing Modifiers from Renewable Sources for Coating Applications","authors":"Vojtěch Jašek*,&nbsp;Jan Fučík,&nbsp;Otakar Bartoš,&nbsp;Silvestr Figalla and Radek Přikryl,&nbsp;","doi":"10.1021/acspolymersau.4c0006810.1021/acspolymersau.4c00068","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00068https://doi.org/10.1021/acspolymersau.4c00068","url":null,"abstract":"<p >Coating materials involving nature-inspired compounds or renewable sources have recently attracted vast attention. This article presents the synthesis of modified rapeseed oil (MRO) as a precursor possessing high biobased carbon content suitable for cured thermosets formation. Two reactive diluents based on renewable sources, methacrylated methyl 3-hydroxybutyrate (M3HBMMA) and ethyl 3-hydroxybutyrate (E3HBMMA), were successfully synthesized. Lastly, isosorbide monomethacrylate (MISD) was suggested and produced as a polarity modifier miscible with modified curable oil systems capable of increasing the thermoset surface energy. All synthesized compounds were structurally analyzed via NMR, ESI-MS, and FTIR. The characterized reactive substances were coated on paper, stainless steel, and beech wood to investigate their suitability for forming thin layers. The paper dip coating verified the reactive diluting properties of M3HBMMA, resulting in the average formed coating deviation decrease (87.5% for undiluted MRO and 28.0% for 50 wt % M3HBMMA containing MRO). Also, the additional cured thermoset weight decreased from 350 to 69 wt % for the same systems. The standardized bend test applied on the coated stainless steel specimens revealed the thermoset’s flexibility and adhesion increase from a 12 ± 2° bending angle of 100% pure MRO to a 121 ± 2° bending angle measured for 40 wt % E3HBMMA containing the MRO-based thermoset. The coated beech wood samples underwent the standardized cross-hatch test investigating the substrate’s coating quality. The 100% MRO reached a level 1 rating (second worst), while the system with 40 wt % of MISD obtained a level 5 rating (the best).</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"527–539 527–539"},"PeriodicalIF":4.7,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00068","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polymer Science and Engineering in India 印度高分子科学与工程
IF 4.7
ACS polymers Au Pub Date : 2024-10-23 DOI: 10.1021/acspolymersau.4c0008310.1021/acspolymersau.4c00083
Anindita Das*,  and , Tarak K. Patra*, 
{"title":"Polymer Science and Engineering in India","authors":"Anindita Das*,&nbsp; and ,&nbsp;Tarak K. Patra*,&nbsp;","doi":"10.1021/acspolymersau.4c0008310.1021/acspolymersau.4c00083","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00083https://doi.org/10.1021/acspolymersau.4c00083","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"460–462 460–462"},"PeriodicalIF":4.7,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00083","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polymer Science and Engineering in India. 印度高分子科学与工程。
IF 4.7
ACS polymers Au Pub Date : 2024-10-23 eCollection Date: 2024-12-11 DOI: 10.1021/acspolymersau.4c00083
Anindita Das, Tarak K Patra
{"title":"Polymer Science and Engineering in India.","authors":"Anindita Das, Tarak K Patra","doi":"10.1021/acspolymersau.4c00083","DOIUrl":"10.1021/acspolymersau.4c00083","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"460-462"},"PeriodicalIF":4.7,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11638782/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and Characterization of Novel Perfluoro Aromatic Side Chain Sulfonated PSU Ionomers 新型全氟芳香侧链磺化PSU离聚体的合成与表征
IF 4.7
ACS polymers Au Pub Date : 2024-10-14 DOI: 10.1021/acspolymersau.4c0005910.1021/acspolymersau.4c00059
Philipp Martschin*, Vladimir Atanasov, Simon Thiele and Jochen Kerres*, 
{"title":"Synthesis and Characterization of Novel Perfluoro Aromatic Side Chain Sulfonated PSU Ionomers","authors":"Philipp Martschin*,&nbsp;Vladimir Atanasov,&nbsp;Simon Thiele and Jochen Kerres*,&nbsp;","doi":"10.1021/acspolymersau.4c0005910.1021/acspolymersau.4c00059","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00059https://doi.org/10.1021/acspolymersau.4c00059","url":null,"abstract":"<p >Polyethersulfone (PSU) as a commercially available polymer offers many different opportunities for functionalization for diverse fields of application, for example, electrophilic substitutions like sulfonation and bromination or nucleophilic reactions such as lithiation. This study presents three different polysulfone derivatives, first functionalized by a lithiation reaction, followed by a reaction with carbonyl compounds containing pentafluorophenyl groups. In the last step, the pentafluorophenyl moieties of the modified PSU were sulfonated by thiolation and subsequent oxidation to sulfonic acid groups. Those novel PSU derivatives were characterized by NMR, DSC, TGA, GPC, and titration. Based on these ionomers, we show the fabrication of pure and acid–base blend membranes with promising proton conductivities. These novel sulfonic acid groups containing materials are potentially promising candidates for membranes or ionomers in electrochemical applications such as proton exchange membrane fuel cells (PEMFCs), proton exchange membrane water electrolysis (PEMWEs), or redox flow batteries (RFBs).</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"492–497 492–497"},"PeriodicalIF":4.7,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00059","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and Characterization of Novel Perfluoro Aromatic Side Chain Sulfonated PSU Ionomers. 新型全氟芳香侧链磺化PSU离聚体的合成与表征。
IF 4.7
ACS polymers Au Pub Date : 2024-10-14 eCollection Date: 2024-12-11 DOI: 10.1021/acspolymersau.4c00059
Philipp Martschin, Vladimir Atanasov, Simon Thiele, Jochen Kerres
{"title":"Synthesis and Characterization of Novel Perfluoro Aromatic Side Chain Sulfonated PSU Ionomers.","authors":"Philipp Martschin, Vladimir Atanasov, Simon Thiele, Jochen Kerres","doi":"10.1021/acspolymersau.4c00059","DOIUrl":"10.1021/acspolymersau.4c00059","url":null,"abstract":"<p><p>Polyethersulfone (PSU) as a commercially available polymer offers many different opportunities for functionalization for diverse fields of application, for example, electrophilic substitutions like sulfonation and bromination or nucleophilic reactions such as lithiation. This study presents three different polysulfone derivatives, first functionalized by a lithiation reaction, followed by a reaction with carbonyl compounds containing pentafluorophenyl groups. In the last step, the pentafluorophenyl moieties of the modified PSU were sulfonated by thiolation and subsequent oxidation to sulfonic acid groups. Those novel PSU derivatives were characterized by NMR, DSC, TGA, GPC, and titration. Based on these ionomers, we show the fabrication of pure and acid-base blend membranes with promising proton conductivities. These novel sulfonic acid groups containing materials are potentially promising candidates for membranes or ionomers in electrochemical applications such as proton exchange membrane fuel cells (PEMFCs), proton exchange membrane water electrolysis (PEMWEs), or redox flow batteries (RFBs).</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"4 6","pages":"492-497"},"PeriodicalIF":4.7,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11638786/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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