{"title":"Continuous Sustainable Production of Biobased Multicomponent Enhanced Resin for SLA 3D Printing.","authors":"Vojtěch Jašek, Otakar Bartoš, Veronika Lavrinčíková, Jan Fučík, Silvestr Figalla, Eliška Kameníková, Radek Přikryl","doi":"10.1021/acsmaterialsau.5c00014","DOIUrl":"10.1021/acsmaterialsau.5c00014","url":null,"abstract":"<p><p>This work focuses on biobased reactive diluents' synthesis, continuing with optimized oil-based resin precursor production. Our approach introduces vanillin methacrylate (VanMMA), cinnamyl methacrylate (CinMMA), and vanillyl dimethacrylate (VanDiMMA) synthesis using methacrylic anhydride. The introduced approach involves an innovative and available catalyst, potassium acetate, which possesses much suitable potential compared with the usually used 4-dimethylaminopyridine (DMAP). Moreover, we separated the formed secondary product, methacrylic acid (MA), and used it to modify rapeseed oil to prepare a curable thermoset. All synthesized products were structurally verified via complex cross-analysis (NMR, ESI-MS, and FTIR). The reactive systems were mixed to form a multicomponent mixture appropriate for stereolithography (SLA) and 3D printing. It was found that VanDiMMA exhibited comparable diluting properties to the commercially available and used compound, isobornyl methacrylate (IBOMA), while achieving better mechanical, thermo-mechanical, and thermal properties than IBOMA. VanDiMMA-containing SLA resin reached a tensile strength of 12.7 ± 0.3 MPa, a flexural strength of 16.8 ± 0.4 MPa, a storage modulus of 570 MPa at 30 °C, a glass-transition temperature of 83.7 °C, and the heat-resistant index of 169.5 °C.</p>","PeriodicalId":29798,"journal":{"name":"ACS Materials Au","volume":"5 3","pages":"580-592"},"PeriodicalIF":5.7,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12082353/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144094950","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}
ACS Materials AuPub Date : 2025-03-19DOI: 10.1021/acsmaterialsau.5c0001410.1021/acsmaterialsau.5c00014
Vojtěch Jašek*, Otakar Bartoš, Veronika Lavrinčíková, Jan Fučík, Silvestr Figalla, Eliška Kameníková and Radek Přikryl,
{"title":"Continuous Sustainable Production of Biobased Multicomponent Enhanced Resin for SLA 3D Printing","authors":"Vojtěch Jašek*, Otakar Bartoš, Veronika Lavrinčíková, Jan Fučík, Silvestr Figalla, Eliška Kameníková and Radek Přikryl, ","doi":"10.1021/acsmaterialsau.5c0001410.1021/acsmaterialsau.5c00014","DOIUrl":"https://doi.org/10.1021/acsmaterialsau.5c00014https://doi.org/10.1021/acsmaterialsau.5c00014","url":null,"abstract":"<p >This work focuses on biobased reactive diluents’ synthesis, continuing with optimized oil-based resin precursor production. Our approach introduces vanillin methacrylate (VanMMA), cinnamyl methacrylate (CinMMA), and vanillyl dimethacrylate (VanDiMMA) synthesis using methacrylic anhydride. The introduced approach involves an innovative and available catalyst, potassium acetate, which possesses much suitable potential compared with the usually used 4-dimethylaminopyridine (DMAP). Moreover, we separated the formed secondary product, methacrylic acid (MA), and used it to modify rapeseed oil to prepare a curable thermoset. All synthesized products were structurally verified via complex cross-analysis (NMR, ESI-MS, and FTIR). The reactive systems were mixed to form a multicomponent mixture appropriate for stereolithography (SLA) and 3D printing. It was found that VanDiMMA exhibited comparable diluting properties to the commercially available and used compound, isobornyl methacrylate (IBOMA), while achieving better mechanical, thermo-mechanical, and thermal properties than IBOMA. VanDiMMA-containing SLA resin reached a tensile strength of 12.7 ± 0.3 MPa, a flexural strength of 16.8 ± 0.4 MPa, a storage modulus of 570 MPa at 30 °C, a glass-transition temperature of 83.7 °C, and the heat-resistant index of 169.5 °C.</p>","PeriodicalId":29798,"journal":{"name":"ACS Materials Au","volume":"5 3","pages":"580–592 580–592"},"PeriodicalIF":5.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmaterialsau.5c00014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143940699","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}
{"title":"Nickel-Doped Titanium Oxide with the Rutile Structure for High-Performance Sodium Storage","authors":"Hiroyuki Usui*, Yasuhiro Domi, Yuma Sadamori, Ryuto Tanaka, Takeo Hoshi, Toshiyuki Tanaka and Hiroki Sakaguchi*, ","doi":"10.1021/acsmaterialsau.5c0000810.1021/acsmaterialsau.5c00008","DOIUrl":"https://doi.org/10.1021/acsmaterialsau.5c00008https://doi.org/10.1021/acsmaterialsau.5c00008","url":null,"abstract":"<p >We prepared rutile TiO<sub>2</sub> particles doped with Ni<sup>2+</sup>, Al<sup>3+</sup>, Nb<sup>5+</sup>, and Ta<sup>5+</sup> by hydrothermal synthesis as anode materials for Na-ion batteries and investigated the effect of doping cation valence on the anode performance and the Na<sup>+</sup> diffusion behavior. <i>In situ</i> X-ray diffraction analyses confirmed the insertion and extraction of Na<sup>+</sup> while maintaining the rutile structure. Among the various doped TiO<sub>2</sub> electrodes, the Ni-doped TiO<sub>2</sub> one exhibited the best anode performance with a high reversible capacity of 135 mA h g<sup>–1</sup> even at 50<i>C</i> (16.75 A g<sup>–1</sup>). This electrode showed a very long cycle life: the capacity of 225 mA h g<sup>–1</sup> could be attained even after 10,000 cycles. The first-principles calculation suggested the formation of impurity levels in the forbidden band of TiO<sub>2</sub> by various cation dopings. Electrochemical impedance analyses revealed that the Ni-doped TiO<sub>2</sub> electrode showed lower charge-transfer resistance (<i>R</i><sub>ct</sub>) compared with other cation-doped TiO<sub>2</sub> electrodes. Measurements using the galvanostatic intermittent titration technique found that the Na<sup>+</sup> diffusion coefficient (<i>D</i><sub>Na+</sub>) of Ni-doped TiO<sub>2</sub> has a higher value of 1.2 × 10<sup>–13</sup> cm<sup>2</sup> s<sup>–1</sup> compared with <i>D</i><sub>Na+</sub> of 4.8 × 10<sup>–14</sup> cm<sup>2</sup> s<sup>–1</sup> in the case of undoped TiO<sub>2</sub>. The first-principle calculation supported this result: the Ni<sup>2+</sup> doping could reduce the activation energy required for Na<sup>+</sup> diffusion in rutile TiO<sub>2</sub>. Therefore, we suggest that an easier migration of Na<sup>+</sup> was promoted in the Ni-doped TiO<sub>2</sub>, effectively enhancing the charge–discharge capacity and the cycle life. Although rutile TiO<sub>2</sub> as an anode has had a difficult history, this study proved that impurity element doping such as Ni<sup>2+</sup> can transform it into a very attractive anode material.</p>","PeriodicalId":29798,"journal":{"name":"ACS Materials Au","volume":"5 3","pages":"558–568 558–568"},"PeriodicalIF":5.7,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmaterialsau.5c00008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143940698","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}
{"title":"Nickel-Doped Titanium Oxide with the Rutile Structure for High-Performance Sodium Storage.","authors":"Hiroyuki Usui, Yasuhiro Domi, Yuma Sadamori, Ryuto Tanaka, Takeo Hoshi, Toshiyuki Tanaka, Hiroki Sakaguchi","doi":"10.1021/acsmaterialsau.5c00008","DOIUrl":"10.1021/acsmaterialsau.5c00008","url":null,"abstract":"<p><p>We prepared rutile TiO<sub>2</sub> particles doped with Ni<sup>2+</sup>, Al<sup>3+</sup>, Nb<sup>5+</sup>, and Ta<sup>5+</sup> by hydrothermal synthesis as anode materials for Na-ion batteries and investigated the effect of doping cation valence on the anode performance and the Na<sup>+</sup> diffusion behavior. <i>In situ</i> X-ray diffraction analyses confirmed the insertion and extraction of Na<sup>+</sup> while maintaining the rutile structure. Among the various doped TiO<sub>2</sub> electrodes, the Ni-doped TiO<sub>2</sub> one exhibited the best anode performance with a high reversible capacity of 135 mA h g<sup>-1</sup> even at 50<i>C</i> (16.75 A g<sup>-1</sup>). This electrode showed a very long cycle life: the capacity of 225 mA h g<sup>-1</sup> could be attained even after 10,000 cycles. The first-principles calculation suggested the formation of impurity levels in the forbidden band of TiO<sub>2</sub> by various cation dopings. Electrochemical impedance analyses revealed that the Ni-doped TiO<sub>2</sub> electrode showed lower charge-transfer resistance (<i>R</i> <sub>ct</sub>) compared with other cation-doped TiO<sub>2</sub> electrodes. Measurements using the galvanostatic intermittent titration technique found that the Na<sup>+</sup> diffusion coefficient (<i>D</i> <sub>Na+</sub>) of Ni-doped TiO<sub>2</sub> has a higher value of 1.2 × 10<sup>-13</sup> cm<sup>2</sup> s<sup>-1</sup> compared with <i>D</i> <sub>Na+</sub> of 4.8 × 10<sup>-14</sup> cm<sup>2</sup> s<sup>-1</sup> in the case of undoped TiO<sub>2</sub>. The first-principle calculation supported this result: the Ni<sup>2+</sup> doping could reduce the activation energy required for Na<sup>+</sup> diffusion in rutile TiO<sub>2</sub>. Therefore, we suggest that an easier migration of Na<sup>+</sup> was promoted in the Ni-doped TiO<sub>2</sub>, effectively enhancing the charge-discharge capacity and the cycle life. Although rutile TiO<sub>2</sub> as an anode has had a difficult history, this study proved that impurity element doping such as Ni<sup>2+</sup> can transform it into a very attractive anode material.</p>","PeriodicalId":29798,"journal":{"name":"ACS Materials Au","volume":"5 3","pages":"558-568"},"PeriodicalIF":5.7,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12082360/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144095020","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}
Stephanie L. Brock*, Maksym V. Kovalenko and Mary Ann Meador,
{"title":"","authors":"Stephanie L. Brock*, Maksym V. Kovalenko and Mary Ann Meador, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":29798,"journal":{"name":"ACS Materials Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":5.7,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acsmaterialsau.5c00020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144430887","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}
Mario Aparicio*, Jadra Mosa, Miguel Gómez-Herrero, Zainab Abd Al-Jaleel, Jennifer Guzman, Mihaela Jitianu, Lisa C. Klein and Andrei Jitianu*,
{"title":"","authors":"Mario Aparicio*, Jadra Mosa, Miguel Gómez-Herrero, Zainab Abd Al-Jaleel, Jennifer Guzman, Mihaela Jitianu, Lisa C. Klein and Andrei Jitianu*, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":29798,"journal":{"name":"ACS Materials Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":5.7,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acsmaterialsau.4c00170","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144430885","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}