PubAg

Main content area

You searched for: Journal ACS sustainable chemistry Remove constraint Journal: ACS sustainable chemistry Publication Year 2017 Remove constraint Publication Year: 2017 Source 2017 v.5 no.8 Remove constraint Source: 2017 v.5 no.8
Start Over

Search

119  Search Results

« Previous | 1 - 20 of 119 |
Number of results to display per page

Search Results

1. A Fully Biobased Encapsulant Constructed of Soy Protein and Cellulose Nanocrystals for Flexible Electromechanical Sensing

Author:
Xie, Dan-Yang; Qian, Dan; Song, Fei; Wang, Xiu-Li; Wang, Yu-Zhong
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 7063-7070
ISSN:
2168-0485
Subject:
Maillard reaction; biocomposites; cellulose; crosslinking; electronics; encapsulation; films (materials); heat sealing; mechanical properties; nanocrystals; soy protein isolate
Abstract:
... Presently, flexible electromechanical sensors are of particular interest to next generation mobile applications. To enrich the flexible encapsulants, herein, a fully biobased film is developed by cross-linking soy protein isolate (SPI) with nanocross-linker, aldehyde-bearing, cellulose nanocrystals (CNC). Thanks to the enhanced interfacial interaction between SPI and CNC resulting from the Maillar ...
DOI:
10.1021/acssuschemeng.7b01266

2. A General Strategy To Fabricate NixP as Highly Efficient Cocatalyst via Photoreduction Deposition for Hydrogen Evolution

Author:
Dong, Yuming; Kong, Linggang; Jiang, Pingping; Wang, Guangli; Zhao, Na; Zhang, Huizhen; Tang, Bo
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6845-6853
ISSN:
2168-0485
Subject:
acid tolerance; aqueous solutions; carbon nitride; hydrogen; hydrogen production; nickel; pH; phosphides; photocatalysis; photoluminescence; sodium; sulfates
Abstract:
... Presently, precise deposition of transition metal phosphides at the electron outlet of photoactive materials as cocatalysts for hydrogen generation is rarely reported. Demonstrated here is a general photochemical strategy for the preparation of metal phosphides as cocatalysts for hydrogen generation. In this work, NiₓP was successfully deposited on g-C₃N₄ using nickel sulfate (NiSO₄) and hypophosp ...
DOI:
10.1021/acssuschemeng.7b01079

3. A Multitechnique Characterization of Lignin Softening and Pyrolysis

Author:
Shrestha, Binod; le Brech, Yann; Ghislain, Thierry; Leclerc, Sébastien; Carré, Vincent; Aubriet, Frédéric; Hoppe, Sandrine; Marchal, Philippe; Pontvianne, Steve; Brosse, Nicolas; Dufour, Anthony
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6940-6949
ISSN:
2168-0485
Subject:
Fourier transform infrared spectroscopy; additives; aromatic compounds; biochar; biofuels; biorefining; calorimetry; carbon fibers; crosslinking; depolymerization; glass transition; glass transition temperature; heat; ionization; lignin; lignocellulose; mass spectrometry; nuclear magnetic resonance spectroscopy; phosphorus; protons; pyrolysis; rheology; rheometers; soda pulping; solidification; stable isotopes; thermogravimetry; viscoelasticity; wheat straw
Abstract:
... The understanding of lignin softening and pyrolysis is important for developing lignocellulosic biorefinery in order to produce carbon fibers, polymers additives, green aromatics, or biofuels. Protobind lignin (produced by soda pulping of a wheat straw) was characterized by thermogravimetry, calorimetry (for glass transition temperature and heat of pyrolysis reactions), in situ ¹H NMR (for the ana ...
DOI:
10.1021/acssuschemeng.7b01130

4. Application of Modified Amino Acid-Derived Diols as Chain Extenders in the Synthesis of Novel Thermoplastic Polyester–Urethane Elastomers

Author:
Brannigan, Ruairí P.; Walder, Anthony; Dove, Andrew P.
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6902-6909
ISSN:
2168-0485
Subject:
amino acids; cyclohexanes; glycols; hydrophilicity; mechanical properties; molecular weight; polyols; polyurethanes; thermoplastics
Abstract:
... Owing to their robust processability and mechanical dexterity, thermoplastic polyurethanes (TPUs) have been utilized in a wide variety of applications from commodity to more niche biomedical applications. Despite this, the focus on deriving monomers from sustainable resources has been relatively low; however, bioderived diisocyanates, diamine/diol chain extenders, and polyester-based polyols have ...
DOI:
10.1021/acssuschemeng.7b01110

5. Aqueous Solutions of Surface-Active Ionic Liquids: Remarkable Alternative Solvents To Improve the Solubility of Triterpenic Acids and Their Extraction from Biomass

Author:
de Faria, Emanuelle L. P.; Shabudin, Selesa V.; Claúdio, Ana Filipa M.; Válega, Mónica; Domingues, Fernando M. J.; Freire, Carmen S. R.; Silvestre, Armando J. D.; Freire, Mara G.
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 7344-7351
ISSN:
2168-0485
Subject:
acetone; apple peels; aqueous solutions; biomass; chloroform; functional foods; ionic liquids; solubility; surfactants; ursolic acid; volatile organic compounds
Abstract:
... Triterpenic acids (TTAs) are well-known for their relevant biological properties and have been facing an increasing interest for nutraceutical and pharmaceutical applications. To overcome the concerns associated with the commonly used volatile organic solvents for their extraction from biomass, here we investigate the potential of aqueous solutions of ionic liquids (ILs) as alternative solvents. T ...
DOI:
10.1021/acssuschemeng.7b01616
PubMed:
30271685
PubMed Central:
PMC6157723

6. Ascorbic Acid as a Bifunctional Hydrogen Bond Donor for the Synthesis of Cyclic Carbonates from CO2 under Ambient Conditions

Author:
Arayachukiat, Sunatda; Kongtes, Chutima; Barthel, Alexander; Vummaleti, Sai V. C.; Poater, Albert; Wannakao, Sippakorn; Cavallo, Luigi; D’Elia, Valerio
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6392-6397
ISSN:
2168-0485
Subject:
ascorbic acid; carbon dioxide; carbonates; catalytic activity; epoxides; hydrogen bonding; iodides; methodology; tetrabutylammonium compounds
Abstract:
... Readily available ascorbic acid was discovered as an environmentally benign hydrogen bond donor for the synthesis of cyclic organic carbonates from CO₂ and epoxides in the presence of nucleophilic cocatalysts. The ascorbic acid/TBAI (TBAI: tetrabutylammonium iodide) binary system could be applied for the cycloaddition of CO₂ to various epoxides under ambient or mild conditions. Density functional ...
DOI:
10.1021/acssuschemeng.7b01650

7. A Solvent-Free and Scalable Method To Prepare Soybean-Oil-Based Polyols by Thiol–Ene Photo-Click Reaction and Biobased Polyurethanes Therefrom

Author:
Feng, Yechang; Liang, Haiyan; Yang, Ziming; Yuan, Teng; Luo, Ying; Li, Puwang; Yang, Zhuohong; Zhang, Chaoqun
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 7365-7373
ISSN:
2168-0485
Subject:
glass transition temperature; lamps; photochemistry; polyols; polyurethanes; tensile strength; thiols
Abstract:
... A solvent-free and scalable method was developed for the preparation of soybean-oil-based polyols by a thiol–ene photo-click reaction with a homemade photochemical reactor. The effect of reaction parameters, including photoinitiators, reaction time, molar ratios of thiols to carbon–carbon double bonds, and power of the mercury lamp, on the structures of the resulting polyols was investigated. The ...
DOI:
10.1021/acssuschemeng.7b01672

8. Assembly of Aqueous Rechargeable Magnesium Ions Battery Capacitor: The Nanowire Mg-OMS-2/Graphene as Cathode and Activated Carbon as Anode

Author:
Zhang, Hongyu; Ye, Ke; Zhu, Kai; Cang, Ruibai; Wang, Xin; Wang, Guiling; Cao, Dianxue
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6727-6735
ISSN:
2168-0485
Subject:
activated carbon; anodes; batteries; cathodes; electrochemistry; electrolytes; energy; ions; lithium; magnesium; nanowires; porosity; sieves
Abstract:
... The aqueous magnesium ion battery (AMIB) system is an attractive candidate in the aqueous batteries due to its high safety properties, similar electrochemical characteristics to lithium and low cost in energy storage applications. The magnesium octahedral molecular sieves of Mg-OMS-2 and the Mg-OMS-2/Graphene composite, depending on their unique 2 × 2 tunnel structure that can provide enough large ...
DOI:
10.1021/acssuschemeng.7b00982

9. Bamboo Torrefaction in a High Gravity (Higee) Environment Using a Rotating Packed Bed

Author:
Pillejera, Ma. Katreena V.; Chen, Wei-Hsin; de Luna, Mark Daniel G.
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 7052-7062
ISSN:
2168-0485
Subject:
Phyllostachys; bamboos; biomass; energy; fuels; gravity; heat; industry; mass transfer; torrefaction
Abstract:
... Biomass torrefaction in various reactors has been extensively studied lately. Different from past studies, torrefaction of raw bamboo (Phyllostachys mankinoi) in a high gravity (Higee) environment is investigated where a rotating packed bed (RPB) for intensifying heat and mass transfer between gas and solid is used for the process. Three rotating speeds of 0, 900, and 1800 rpm, corresponding to th ...
DOI:
10.1021/acssuschemeng.7b01264

10. Biobased Heat Resistant Epoxy Resin with Extremely High Biomass Content from 2,5-Furandicarboxylic Acid and Eugenol

Author:
Miao, Jia-Tao; Yuan, Li; Guan, Qingbao; Liang, Guozheng; Gu, Aijuan
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 7003-7011
ISSN:
2168-0485
Subject:
biomass; bisphenol A; epoxides; eugenol; glass transition temperature; heat; heat tolerance; mechanical properties; storage modulus; sustainable development; thermal properties; toxic substances
Abstract:
... Preparing a biobased (biomass-based) high performance epoxy resin with extremely large biomass content is of great importance for sustainable development. Herein, a new epoxy resin with a precise structure, bis(2-methoxy-4-(oxiran-2-ylmethyl)phenyl)furan-2,5-dicarboxylate (EUFU-EP), was synthesized from two biobased green and low toxic compounds (2,5-furandicarboxylic acid and eugenol) and the bio ...
DOI:
10.1021/acssuschemeng.7b01222

11. Carbon-Nanotube-Incorporated Graphene Scroll-Sheet Conjoined Aerogels for Efficient Hydrogen Evolution Reaction

Author:
Shi, Yiqin; Gao, Wei; Lu, Hengyi; Huang, Yunpeng; Zuo, Lizeng; Fan, Wei; Liu, Tianxi
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6994-7002
ISSN:
2168-0485
Subject:
carbonization; electrical conductivity; electrodes; electrolytes; electrons; energy; freeze drying; graphene; graphene oxide; hydrogen; hydrogen production; manufacturing; nanosheets; nanotubes
Abstract:
... Developing low-cost Pt-free hydrogen evolution reaction (HER) electrocatalyst is highly desired in exploiting hydrogen as a sustainable new energy carrier. Herein, hierarchically structured graphene-carbon nanotube aerogel-MoSe₂ hybrid (GCA-MoSe₂) was constructed as efficient HER electrocatalysts. GCA was facilely fabricated by direct freeze-drying of graphene oxide (GO)-carbon nanotube (CNT) hybr ...
DOI:
10.1021/acssuschemeng.7b01181

12. Catalyst-Free Decarboxylative Trifluoromethylation/Perfluoroalkylation of Benzoic Acid Derivatives in Water–Acetonitrile

Author:
Wang, Dangui; Fang, Jingxian; Deng, Guo-Jun; Gong, Hang
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6398-6403
ISSN:
2168-0485
Subject:
acetonitrile; benzoic acid; chemical derivatives; decarboxylation
Abstract:
... This study presents a mild and practical method for the catalyst-free decarboxylative trifluoromethylation/perfluoroalkylation of benzoic acid derivatives by using inexpensive NaSO₂CF₃ as a CF₃-source and solid Na₂S₂O₈ as an initiator. The environment-friendly transformation is performed at 30 °C in water–acetonitrile, and it can be easily scaled up to the gram level with a good yield. ...
DOI:
10.1021/acssuschemeng.7b01705

13. Cellulose Functionalized High Molecular Weight Stereocomplex Polylactic Acid Biocomposite Films with Improved Gas Barrier, Thermomechanical Properties

Author:
Gupta, Arvind; Katiyar, Vimal
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6835-6844
ISSN:
2168-0485
Subject:
X-radiation; biocomposites; cellulose; crystallites; engineering; extrusion; melting; melting point; molecular weight; oxygen; packaging; permeability; polylactic acid; polymerization; surface area; temperature; tensile strength; thermal properties; water vapor
Abstract:
... This work presents a facile, solvent-free approach for the fabrication of PLA biocomposites, followed by melt extrusion process to prepare stereocomplex PLA films with excellent thermomechanical and gas barrier properties. The presence of stereocomplex crystallites improves the thermal properties of polylactic acid (PLA); however, the formation of stereocomplex crystallites is predominantly lesser ...
DOI:
10.1021/acssuschemeng.7b01059

14. Characterization of Carbon Anode Protected by Low Boron Level: An Attempt To Understand Carbon–Boron Inhibitor Mechanism

Author:
Ishak, Ramzi; Laroche, Gaétan; Lamonier, Jean-François; Ziegler, Donald P.; Alamdari, Houshang
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6700-6706
ISSN:
2168-0485
Subject:
Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; air; aluminum oxide; anodes; boron; carbon; electrolysis; mass spectrometry; oxidation; oxygen; temperature; thermogravimetry
Abstract:
... Several chemical reactions occur during the electrolysis of alumina in the Hall–Héroult process resulting in a significant overconsumption of the carbon anode. Carbon oxidation with oxygen is one of these reactions. The inhibition of this reaction by the application of protective layers on the anode can be an effective technique to reduce carbon consumption. Boron impregnation was shown to suppre ...
DOI:
10.1021/acssuschemeng.7b00945

15. Chemical and Pathogenic Cleanup of Wastewater Using Surface-Functionalized CeO2 Nanoparticles

Author:
Chaudhary, Savita; Sharma, Priyanka; Singh, Diksha; Umar, Ahmad; Kumar, Rajeev
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6803-6816
ISSN:
2168-0485
Subject:
adsorption; aqueous solutions; ceric oxide; disinfection; dyes; nanoparticles; pollutants; remediation; surface area; total dissolved solids; turbidity; wastewater; wastewater treatment
Abstract:
... In this paper, we report the simple synthesis, detailed characterization, and total wastewater cleanup by adsorption using bare and surfactant-functionalized cerium oxide (CeO₂) nanoparticles. The synthesis of CeO₂ nanoparticles was performed by a facile aqueous solution process and characterized by a diverse range of techniques, which confirmed that the nanoparticles are well-crystalline, possess ...
DOI:
10.1021/acssuschemeng.7b01041

16. Combined Electrosorption and Chemisorption of As(V) in Water by Using Fe-rGO@AC Electrode

Author:
Dai, Min; Zhang, Man; Xia, Ling; Li, Yanmei; Liu, Yanyan; Song, Shaoxian
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6532-6538
ISSN:
2168-0485
Subject:
activated carbon; adsorption; arsenic; electrodes; electrostatic interactions; ions; methodology
Abstract:
... A novel method of arsenic removal from water, combined electrosorption and chemisorption (CEC), has been presented in this work in order to deeply eliminate arsenic in water. This method was proposed using a mixture of activated carbon (AC) and reduced graphene–iron composite (Fe-rGO) as the electrode (Fe-rGO@AC). The results showed that the AC had a better electrosorption performance, while Fe-rG ...
DOI:
10.1021/acssuschemeng.7b00633

17. Conceptual Design and Process Feasibility Analysis of a Novel Ammonia Synthesis Process by Efficient Heat Integration

Author:
Song, Chunfeng; Liu, Qingling; Ji, Na; Song, Yingjin; Kitamura, Yutaka
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 7420-7432
ISSN:
2168-0485
Subject:
ammonia; economic feasibility; energy efficiency; exergy; heat; heat exchangers; hydrogen; natural gas; nitrogen
Abstract:
... Ammonia synthesis by hydrogen and nitrogen is an important pathway for ammonia production. However, design of an energy efficient and environmentally friendly route for ammonia synthesis is still a challenge and needs to be overcome. Performance and economic feasibility of ammonia synthesis loop processes significantly depend on not only configuration arrangement but also on operating conditions. ...
DOI:
10.1021/acssuschemeng.7b01887

18. Contribution of Residual Proteins to the Thermomechanical Performance of Cellulosic Nanofibrils Isolated from Green Macroalgae

Author:
Guo, Jiaqi; Uddin, Khan Mohammad Ahsan; Mihhels, Karl; Fang, Wenwen; Laaksonen, Päivi; Zhu, J. Y.; Rojas, Orlando J.
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6978-6985
ISSN:
2168-0485
Subject:
adhesion; algal blooms; biomass; cellulose fibrils; chemical treatment; chlorites; crystal structure; energy; macroalgae; nanofibers; polymerization; proteins; renewable resources; tensile strength; thermal stability; wood fibers
Abstract:
... Cellulosic nanofibrils (CNFs) were isolated from one of the most widespread freshwater macroalgae, Aegagropila linnaei. The algae were first carboxylated with a recyclable dicarboxylic acid, which facilitated deconstruction into CNFs via microfluidization while preserving the protein component. For comparison, cellulosic fibrils were also isolated by chemical treatment of the algae with sodium chl ...
DOI:
10.1021/acssuschemeng.7b01169

19. Coproducing Value-Added Chemicals and Hydrogen with Electrocatalytic Glycerol Oxidation Technology: Experimental and Techno-Economic Investigations

Author:
Kim, Hyung Ju; Kim, Youngmin; Lee, Daewon; Kim, Jeong-Rang; Chae, Ho-Jeong; Jeong, Soon-Yong; Kim, Beom-Sik; Lee, Jechan; Huber, George W.; Byun, Jaewon; Kim, Sunghoon; Han, Jeehoon
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6626-6634
ISSN:
2168-0485
Subject:
catalysts; catalytic activity; electrochemistry; energy efficiency; glyceraldehyde; glycerol; hydrogen; oxidants; oxidation; oxygen; prices; simulation models; value added
Abstract:
... The electrocatalytic oxidation technology of biomass-derived oxygenates such as glycerol presents a promising method of coproducing renewable chemicals and hydrogen in an electrochemical reactor system that uses oxidation chemistry and existing proton exchange membrane technology to electrocatalytically convert oxygenates into value-added chemicals and hydrogen. In this paper, we first demonstrate ...
DOI:
10.1021/acssuschemeng.7b00868

20. Cost Reduction and Mechanical Enhancement of Biopolyesters Using an Agricultural Byproduct from Konjac Glucomannan Processing

Author:
Chen, Zhaoshu; Gan, Lin; Chang, Peter R.; Liu, Changhua; Huang, Jin; Gao, Shanjun
Source:
ACS sustainable chemistry 2017 v.5 no.8 pp. 6498-6506
ISSN:
2168-0485
Subject:
Amorphophallus; biodegradability; biopolyesters; compression molding; cost effectiveness; konjac mannan; melting; mixing; polylactic acid; powders; succinic acid; temperature; tensile strength
Abstract:
... Extensive applications of many sustainable biopolyester materials are limited due to their high cost and poor properties. To resolve these problems, we developed a strategy using an agricultural byproduct derived from konjac glucomannan processing, the konjac fly powders (KFPs), to reduce the cost, preserve the biodegradability, and improve the mechanical properties of biopolyesters. The result in ...
DOI:
10.1021/acssuschemeng.7b00615