ACS polymers Au最新文献_第3页

Exploiting Online Spatially Resolved Dynamic Light Scattering and Flow-NMR for Automated Size Targeting of PISA-Synthesized Block Copolymer Nanoparticles 利用在线空间分辨动态光散射和流动核磁共振技术自动定位pisa合成的嵌段共聚物纳米颗粒的尺寸

IF 4.7

ACS polymers Au Pub Date : 2024-11-26 DOI: 10.1021/acspolymersau.4c0007410.1021/acspolymersau.4c00074

Peter M. Pittaway, Kudakwashe E. Chingono, Stephen T. Knox, Elaine Martin, Richard A. Bourne, Olivier J. Cayre, Nikil Kapur, Jonathan Booth, Robin Capomaccio, Nicholas Pedge and Nicholas J. Warren*,

{"title":"Exploiting Online Spatially Resolved Dynamic Light Scattering and Flow-NMR for Automated Size Targeting of PISA-Synthesized Block Copolymer Nanoparticles","authors":"Peter M. Pittaway, Kudakwashe E. Chingono, Stephen T. Knox, Elaine Martin, Richard A. Bourne, Olivier J. Cayre, Nikil Kapur, Jonathan Booth, Robin Capomaccio, Nicholas Pedge and Nicholas J. Warren*, ","doi":"10.1021/acspolymersau.4c0007410.1021/acspolymersau.4c00074","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00074https://doi.org/10.1021/acspolymersau.4c00074","url":null,"abstract":"Programmable synthesis of polymer nanoparticles prepared by polymerization-induced self-assembly (PISA) mediated by reversible addition–fragmentation chain-transfer (RAFT) dispersion polymerization with specified diameter is achieved in an automated flow-reactor platform. Real-time particle size and monomer conversion is obtained via inline spatially resolved dynamic light scattering (SRDLS) and benchtop nuclear magnetic resonance (NMR) instrumentation. An initial training experiment generated a relationship between copolymer block length and particle size for the synthesis of poly(N,N-dimethylacrylamide)-b-poly(diacetone acrylamide) (PDMAm-b-PDAAm) nanoparticles. The training data was used to target the product compositions required for synthesis of nanoparticles with defined diameters of 50, 60, 70, and 80 nm, while inline NMR spectroscopy enabled rapid acquisition of kinetic data to support their scale-up. NMR and SRDLS were used during the continuous manufacture of the targeted products to monitor product consistency while an automated sampling system collected practically useful quantities of the targeted products, thus outlining the potential of the platform as a tool for discovery, development, and manufacture of polymeric nanoparticles.","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 1","pages":"1–9 1–9"},"PeriodicalIF":4.7,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00074","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143386195","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*,

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

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*, Jan Fučík, Otakar Bartoš, Silvestr Figalla and Radek Přikryl, ","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":"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).","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

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":"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).","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

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*,

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

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*, Vladimir Atanasov, Simon Thiele and Jochen Kerres*, ","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":"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).","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":"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).","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

Design of Highly Conductive PILs by Simple Modification of Poly(epichlorohydrin-co-ethylene oxide) with Monosubstituted Imidazoles 用单取代咪唑对聚（环氧氯丙烷-环氧乙烷）进行简单改性设计高导电性 PIL

ACS polymers Au Pub Date : 2024-09-12 DOI: 10.1021/acspolymersau.4c00051

Daniil R. Nosov, Elena I. Lozinskaya, Dmitrii Y. Antonov, Denis O. Ponkratov, Andrey A. Tyutyunov, Malak Alaa Eddine, Cédric Plesse, Daniel F. Schmidt, Alexander S. Shaplov

{"title":"Design of Highly Conductive PILs by Simple Modification of Poly(epichlorohydrin-co-ethylene oxide) with Monosubstituted Imidazoles","authors":"Daniil R. Nosov, Elena I. Lozinskaya, Dmitrii Y. Antonov, Denis O. Ponkratov, Andrey A. Tyutyunov, Malak Alaa Eddine, Cédric Plesse, Daniel F. Schmidt, Alexander S. Shaplov","doi":"10.1021/acspolymersau.4c00051","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00051","url":null,"abstract":"High ionic conductivity poly(ionic liquid)s (PILs) are of growing interest for their thermal and electrochemical stability, processability, and potential in safe, flexible all-solid-state electrochemical devices. While various approaches to enhance the ionic conductivity are reported, the influence of cation substituents is rarely addressed. Moreover, some of the asymmetric anions recently developed for high-conductivity ionic liquids were never tested in PILs. We report the design and synthesis of twelve novel cationic PILs prepared via quaternization of N-substituted imidazoles by commercially available poly(epichlorohydrin-co-ethylene oxide) (poly(EPCH-r-EO)) with subsequent ion metathesis. They differ by imidazolium side chain length (C1–C6 alkyl) and presence of heteroatoms (silyl, siloxane, and fluoroalkyl) and by anion type (bis(trifluoromethylsulfonyl)imide (TFSI), 2,2,2-trifluoromethylsulfonyl-N-cyanoamide (TFSAM), tetrafluoroborate (BF4), trifluoro(trifluoromethyl)borate (BF3CF3), and tricyanofluoroborate (BF(CN)3)). TFSI-based PILs with alkyl side chains gave lower glass transition temperatures (Tg) and higher ionic conductivities than those bearing heteroatomic substituents, with n-butyl side chains providing a conductivity of 4.7 × 10–6 S cm–1 at 25 °C under anhydrous conditions. This increased to 1.0 × 10–5 and 4.5 × 10–4 S cm–1 at 25 and 70 °C, respectively, when the TFSI anion was replaced with BF(CN)3. All PILs showed good electrochemical (>3.2 V vs Ag+/Ag) and thermal (>185 °C) stability, making them excellent candidates for solid-state electrolytes in electrochemical devices.","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142211002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0