ACS polymers Au最新文献

{"title":"Vegetable Oils for Material Applications - Available Biobased Compounds Seeking Their Utilities.","authors":"Vojtěch Jašek, Silvestr Figalla","doi":"10.1021/acspolymersau.5c00001","DOIUrl":"https://doi.org/10.1021/acspolymersau.5c00001","url":null,"abstract":"<p><p>Materials derived from natural sources are demanded for future applications due to the combination of factors such as sustainability increase and legislature requirements. The availability and efficient analysis of vegetable oils (triacylglycerides) open an enormous potential for incorporating these compounds into various products to ensure the ecological footprint decreases and to provide advantageous properties to the eventual products, such as flexibility, toughness, or exceptional hydrophobic character. The double bonds located in many vegetable oils are centers for chemical functionalization, such as epoxidization, hydroxylation, or many nucleophile substitutions using acids or anhydrides. Naturally occurring castor oil comprises a reactive vacant hydroxyl group, which can be modified via numerous chemical approaches. This comprehensive Review provides an overall insight toward multiple materials utilities for functionalized glycerides such as additive manufacturing (3D printing), polyurethane materials (including their chemical recycling), coatings, and adhesives. This work provides a complex list of investigated and studied applications throughout the available literature and describes the chemical principles for each selected application.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"105-128"},"PeriodicalIF":4.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986731/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144058951","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":"Vegetable Oils for Material Applications – Available Biobased Compounds Seeking Their Utilities","authors":"Vojtěch Jašek*,&nbsp; and ,&nbsp;Silvestr Figalla,&nbsp;","doi":"10.1021/acspolymersau.5c0000110.1021/acspolymersau.5c00001","DOIUrl":"https://doi.org/10.1021/acspolymersau.5c00001https://doi.org/10.1021/acspolymersau.5c00001","url":null,"abstract":"<p >Materials derived from natural sources are demanded for future applications due to the combination of factors such as sustainability increase and legislature requirements. The availability and efficient analysis of vegetable oils (triacylglycerides) open an enormous potential for incorporating these compounds into various products to ensure the ecological footprint decreases and to provide advantageous properties to the eventual products, such as flexibility, toughness, or exceptional hydrophobic character. The double bonds located in many vegetable oils are centers for chemical functionalization, such as epoxidization, hydroxylation, or many nucleophile substitutions using acids or anhydrides. Naturally occurring castor oil comprises a reactive vacant hydroxyl group, which can be modified via numerous chemical approaches. This comprehensive Review provides an overall insight toward multiple materials utilities for functionalized glycerides such as additive manufacturing (3D printing), polyurethane materials (including their chemical recycling), coatings, and adhesives. This work provides a complex list of investigated and studied applications throughout the available literature and describes the chemical principles for each selected application.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"105–128 105–128"},"PeriodicalIF":4.7,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.5c00001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143798889","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":"Facile Method for the Preparation of Cyclodextrin-Rotaxanated Silicone Elastomers with Excellent Stretchability.","authors":"Tao Xing, Jiajun Ma, Wen-Cong Xu, Yangguang Xu","doi":"10.1021/acspolymersau.4c00096","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00096","url":null,"abstract":"<p><p>Polysiloxane is an industrially important polymer, as it serves as the platform for the preparation of silicone materials with excellent thermal stability. Even though the fact that introducing rotaxanes into a polymer network provides a novel way to build new materials with peculiar mechanical properties is well-known, this tactic has rarely been applied to silicones, perhaps due to the lack of efficient synthetic methods. Here, in this work, we report the preparation and characterization of novel rotaxanated silicone elastomers by a simple two-step synthetic method. Starting from commercially available γ-cyclodextrin (CD) and vinyl-terminated polydimethylsiloxane, poly[(dimethylsiloxane)-pseudorotaxa-(γ-cyclodextrin)]s were facilely prepared. These pseudopolyrotaxanes were then used to prepare silicone elastomers of different structures and compositions. Mechanical tests of these elastomers show that they have moderate tensile strength but an excellent extension ratio (∼800% for the sample with the highest extension ratio). γ-CD plays a unique and important role in shaping the network's topological structure and mechanical properties. This role was unveiled by applying various techniques such as solid-state NMR measurements and cyclic tensile tests to the elastomers obtained. Due to the simplicity of the current method, it may be used for large-scale preparation of stretchy silicone rubbers with optimum mechanical properties.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"162-173"},"PeriodicalIF":4.7,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986723/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144042237","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":"Facile Method for the Preparation of Cyclodextrin-Rotaxanated Silicone Elastomers with Excellent Stretchability","authors":"Tao Xing*,&nbsp;Jiajun Ma,&nbsp;Wen-cong Xu and Yangguang Xu,&nbsp;","doi":"10.1021/acspolymersau.4c0009610.1021/acspolymersau.4c00096","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00096https://doi.org/10.1021/acspolymersau.4c00096","url":null,"abstract":"<p >Polysiloxane is an industrially important polymer, as it serves as the platform for the preparation of silicone materials with excellent thermal stability. Even though the fact that introducing rotaxanes into a polymer network provides a novel way to build new materials with peculiar mechanical properties is well-known, this tactic has rarely been applied to silicones, perhaps due to the lack of efficient synthetic methods. Here, in this work, we report the preparation and characterization of novel rotaxanated silicone elastomers by a simple two-step synthetic method. Starting from commercially available γ-cyclodextrin (CD) and vinyl-terminated polydimethylsiloxane, poly[(dimethylsiloxane)-pseudorotaxa-(γ-cyclodextrin)]s were facilely prepared. These pseudopolyrotaxanes were then used to prepare silicone elastomers of different structures and compositions. Mechanical tests of these elastomers show that they have moderate tensile strength but an excellent extension ratio (∼800% for the sample with the highest extension ratio). γ-CD plays a unique and important role in shaping the network’s topological structure and mechanical properties. This role was unveiled by applying various techniques such as solid-state NMR measurements and cyclic tensile tests to the elastomers obtained. Due to the simplicity of the current method, it may be used for large-scale preparation of stretchy silicone rubbers with optimum mechanical properties.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"162–173 162–173"},"PeriodicalIF":4.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00096","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143798727","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":"Celebrating 5 Years of the ACS Au Journal Family","authors":"Paul D. Goring,&nbsp;Amelia Newman,&nbsp;Christopher W. Jones* and Shelley D. Minteer*,&nbsp;","doi":"10.1021/acspolymersau.5c0000810.1021/acspolymersau.5c00008","DOIUrl":"https://doi.org/10.1021/acspolymersau.5c00008https://doi.org/10.1021/acspolymersau.5c00008","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"59–61 59–61"},"PeriodicalIF":4.7,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.5c00008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143798776","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":"Celebrating 5 Years of the ACS Au Journal Family.","authors":"Paul D Goring, Amelia Newman, Christopher W Jones, Shelley D Minteer","doi":"10.1021/acspolymersau.5c00008","DOIUrl":"https://doi.org/10.1021/acspolymersau.5c00008","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"59-61"},"PeriodicalIF":4.7,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986718/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144036544","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":"Observing Depolymerization of a RAFT Polymer by Time-Resolved Small-Angle X ray Scattering","authors":"Rintaro Takahashi*,&nbsp; and ,&nbsp;Ayae Sugawara-Narutaki,&nbsp;","doi":"10.1021/acspolymersau.4c0009510.1021/acspolymersau.4c00095","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00095https://doi.org/10.1021/acspolymersau.4c00095","url":null,"abstract":"<p >Recently, it has been reported that various polymethacrylates synthesized via reversible addition–fragmentation chain-transfer (RAFT) polymerization may be depolymerized by heating them to 120 °C in solution. However, insights into the mechanisms and kinetics remain limited. In this work, we monitored the depolymerization process of poly(benzyl methacrylate) in <i>p</i>-xylene using time-resolved small-angle X-ray scattering (SAXS). The results revealed that the weight-average molecular weight gradually decreased, while the z-average radius of gyration remained almost unchanged until approximately half of the repeating units were converted. This unexpected behavior could be well-reproduced by a kinetic model of end-to-end depolymerization (unzipping). This study provides the first direct observation of the structural evolution during depolymerization via an unzipping mechanism.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"129–133 129–133"},"PeriodicalIF":4.7,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00095","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143798771","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":"Observing Depolymerization of a RAFT Polymer by Time-Resolved Small-Angle X ray Scattering.","authors":"Rintaro Takahashi, Ayae Sugawara-Narutaki","doi":"10.1021/acspolymersau.4c00095","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00095","url":null,"abstract":"<p><p>Recently, it has been reported that various polymethacrylates synthesized via reversible addition-fragmentation chain-transfer (RAFT) polymerization may be depolymerized by heating them to 120 °C in solution. However, insights into the mechanisms and kinetics remain limited. In this work, we monitored the depolymerization process of poly(benzyl methacrylate) in <i>p</i>-xylene using time-resolved small-angle X-ray scattering (SAXS). The results revealed that the weight-average molecular weight gradually decreased, while the z-average radius of gyration remained almost unchanged until approximately half of the repeating units were converted. This unexpected behavior could be well-reproduced by a kinetic model of end-to-end depolymerization (unzipping). This study provides the first direct observation of the structural evolution during depolymerization via an unzipping mechanism.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"129-133"},"PeriodicalIF":4.7,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986722/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144021766","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":"Cellulose-Based Nanofibers Infused with Biotherapeutics for Enhanced Wound-Healing Applications.","authors":"Deepanjan Datta, Sony Priyanka Bandi, Viola Colaco, Namdev Dhas, Suprio Shantanu Saha, Syed Zubair Hussain, Sudarshan Singh","doi":"10.1021/acspolymersau.4c00092","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00092","url":null,"abstract":"<p><p>Nanofibers fabricated from various materials such as polymers, carbon, and semiconductors have been widely used for wound healing and tissue engineering applications due to their excellent nontoxic, biocompatible, and biodegradable properties. Nanofibers with a diameter in the nanometer range possess a larger surface area per unit mass permitting easier addition of surface functionalities and release of biotherapeutics incorporated compared with conventional polymeric microfibers. Henceforth, nanofibers are a choice for fabricating scaffolds for the management of wound healing. Nanofibrous scaffolds have emerged as a promising method for fabricating wound dressings since they mimic the fibrous dermal extracellular matrix milieu that offers structural support for wound healing and functional signals for guiding tissue regeneration. Cellulose-based nanofibers have gained significant attention among researchers in the fabrication of on-site biodegradable scaffolds fortified with biotherapeutics in the management of wound healing. Cellulose is a linear, stereoregular insoluble polymer built from repeated units of d-glucopyranose linked with 1,4-β glycoside bonds with a complex and multilevel supramolecular architecture. Cellulose is a choice and has been used by various researchers due to its solubility in many solvents and its capacity for self-assembly into nanofibers, facilitating the mimicry of the natural extracellular matrix fibrous architecture and promoting substantial water retention. It is also abundant and demonstrates low immunogenicity in humans due to its nonanimal origins. To this end, cellulose-based nanofibers have been studied for protein delivery, antibacterial activity, and biosensor applications, among others. Taken together, this review delves into an update on cellulose-based nanofibers fused with bioactive compounds that have not been explored considerably in the past few years.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"80-104"},"PeriodicalIF":4.7,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986729/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144008256","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":"Cellulose-Based Nanofibers Infused with Biotherapeutics for Enhanced Wound-Healing Applications","authors":"Deepanjan Datta*,&nbsp;Sony Priyanka Bandi*,&nbsp;Viola Colaco,&nbsp;Namdev Dhas,&nbsp;Suprio Shantanu Saha,&nbsp;Syed Zubair Hussain and Sudarshan Singh*,&nbsp;","doi":"10.1021/acspolymersau.4c0009210.1021/acspolymersau.4c00092","DOIUrl":"https://doi.org/10.1021/acspolymersau.4c00092https://doi.org/10.1021/acspolymersau.4c00092","url":null,"abstract":"<p >Nanofibers fabricated from various materials such as polymers, carbon, and semiconductors have been widely used for wound healing and tissue engineering applications due to their excellent nontoxic, biocompatible, and biodegradable properties. Nanofibers with a diameter in the nanometer range possess a larger surface area per unit mass permitting easier addition of surface functionalities and release of biotherapeutics incorporated compared with conventional polymeric microfibers. Henceforth, nanofibers are a choice for fabricating scaffolds for the management of wound healing. Nanofibrous scaffolds have emerged as a promising method for fabricating wound dressings since they mimic the fibrous dermal extracellular matrix milieu that offers structural support for wound healing and functional signals for guiding tissue regeneration. Cellulose-based nanofibers have gained significant attention among researchers in the fabrication of on-site biodegradable scaffolds fortified with biotherapeutics in the management of wound healing. Cellulose is a linear, stereoregular insoluble polymer built from repeated units of <span>d</span>-glucopyranose linked with 1,4-β glycoside bonds with a complex and multilevel supramolecular architecture. Cellulose is a choice and has been used by various researchers due to its solubility in many solvents and its capacity for self-assembly into nanofibers, facilitating the mimicry of the natural extracellular matrix fibrous architecture and promoting substantial water retention. It is also abundant and demonstrates low immunogenicity in humans due to its nonanimal origins. To this end, cellulose-based nanofibers have been studied for protein delivery, antibacterial activity, and biosensor applications, among others. Taken together, this review delves into an update on cellulose-based nanofibers fused with bioactive compounds that have not been explored considerably in the past few years.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"80–104 80–104"},"PeriodicalIF":4.7,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.4c00092","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143798770","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}