scholarly journals Lauric Arginate/Cellulose Nanocrystal Nanorods-Stabilized Alkenyl Succinic Anhydride Pickering Emulsion: Enhancement of Stabilization and Paper Sizing Performance

2021 ◽  
Author(s):  
Yucheng Li ◽  
Dehai Yu ◽  
Xiangyu Wang ◽  
Qiang Wang ◽  
Zhen Zhang ◽  
...  
Keyword(s):  
High Performance ◽  
Succinic Anhydride ◽  
Academic Community ◽  
Cellulose Nanocrystal ◽  
Low Carbon ◽  
Chemical Additives ◽  
Low Carbon Economy ◽  
Alkenyl Succinic Anhydride ◽  
Paper Sizing ◽  
Lauric Arginate

Abstract Biodegradable colloidal particle materials are becoming attractive candidates as eco-friendly chemical additives in the low-carbon economy era. However, developing cheap, stable, and efficient paper-sizing agents is still a challenging issue both for paper making academic community and industry. Here, an easy-fabricating, stable, and high-performance alkenyl succinic anhydride (ASA) paper-sizing emulsion is developed, which is stabilized by lauric arginate (LAE)/cellulose nanocrystal (CNC) nanorods. Furthermore, the chemical crosslinking between ASA and LAE/CNC nanorods can adjust the wettability and interfacial adsorption of LAE/CNC, resulting in improved stability of ASA-sizing emulsion. This novel paper-sizing emulsion shows a small droplet size (0.8 μm), high hydrolysis resistance, and a high paper-sizing degree (300 s) along with a remarkable hydrophobicity contact angle of 110° for long-term storage. This work opens a door for realizing an interfacial self-assembled Pickering-stabilizer, which leads to an environmentally friendly, pervasive and cost-effective emulsification technique for the next-generation paper-sizing additives.

scholarly journals An Experimental Investigation of a Novel Low-Cost Photovoltaic Panel Active Cooling System

Energies ◽  
2019 ◽  
Vol 12 (8) ◽  
pp. 1448 ◽  
Author(s):  
Alberto Benato ◽  
Anna Stoppato
Keyword(s):  
High Performance ◽  
Cooling System ◽  
Operating Temperature ◽  
Low Cost ◽  
Renewable Energy Sources ◽  
Water Film ◽  
Clean Energy ◽  
Low Carbon ◽  
Low Carbon Economy ◽  
Pv Cooling

Renewable energy sources are the most useful way to generate clean energy and guide the transition toward green power generation and a low-carbon economy. Among renewables, the best alternative to electricity generation from fossil fuels is solar energy because it is the most abundant and does not release pollutants during conversion processes. Despite the photovoltaic (PV) module ability to produce electricity in an eco-friendly way, PV cells are extremely sensitive to temperature increments. This can result in efficiency drop of 0.25%/ ∘ C to 0.5%/ ∘ C. To overcome this issue, manufacturers and researchers are devoted to the improvement of PV cell efficiency by decreasing operating temperature. For this purpose, the authors have developed a low-cost and high-performance PV cooling system that can drastically reduce module operating temperature. In the present work, the authors present a set of experimental measurements devoted to selecting the PV cooling arrangement that guarantees the best compromise of water-film uniformity, module temperature reduction, water-consumption minimization, and module power production maximization. Results show that a cooling system equipped with 3 nozzles characterized by a spraying angle of 90 ∘ , working with an inlet pressure of 1.5 bar, and which remains active for 30 s and is switched off for 120 s, can reduce module temperature by 28 ∘ C and improve the module efficiency by about 14%. In addition, cost per single module of the cooling system is only 15 €.

Kinetically controlled synthesis of MOF nanostructures: single-holed hollow core–shell ZnCoS@Co9S8/NC for ultra-high performance lithium-ion batteries

2018 ◽  
Vol 6 (29) ◽  
pp. 14083-14090 ◽  
Author(s):  
Muhammad Kashif Aslam ◽  
Syed Shoaib Ahmad Shah ◽  
Sha Li ◽  
ChangGuo Chen
Keyword(s):  
Energy Demand ◽  
High Performance ◽  
Lithium Ion ◽  
Controlled Synthesis ◽  
Hollow Core ◽  
Low Carbon ◽  
New Materials ◽  
Low Carbon Economy ◽  
Energy Conversion Systems ◽  
Carbon Economy

With the growing energy demand for a low carbon economy, it is important to develop new materials that can enhance the effectiveness of energy storage and energy conversion systems.

The Influence of High Performance Concrete on Low-Carbon Economy

2011 ◽  
Vol 374-377 ◽  
pp. 1646-1656
Author(s):  
Chang Wen Miao
Keyword(s):  
Service Life ◽  
High Performance ◽  
High Performance Concrete ◽  
Concrete Structures ◽  
Mineral Admixtures ◽  
Low Carbon ◽  
Low Carbon Economy ◽  
Carbon Economy

The demand for high performance concrete is increasing nowadays. The service life of high performance concrete has significant effect on the consumption of energy and resources. Adding good chemical and mineral admixtures to regulate and optimize the microstructure of concrete can ensure the service life of concrete structures and save great amount of cement simultaneously. It is a good way to turn waste into resource and turn the harmful into the beneficial.

scholarly journals Roles of Reactive Alkenyl Succinic Anhydride(ASA) in Paper Sizing.

1996 ◽  
Vol 52 (4) ◽  
pp. 189-194 ◽  
Author(s):  
Masaki Nishiyama ◽  
Akira Isogai ◽  
Fumihiko Onabe
Keyword(s):  
Succinic Anhydride ◽  
Alkenyl Succinic Anhydride ◽  
Paper Sizing

Preparation of starch and laponite co-stabilized alkenyl succinic anhydride emulsions for paper sizing

2016 ◽  
Vol 38 (4) ◽  
pp. 472-477 ◽  
Author(s):  
Bei Gong ◽  
Wenxia Liu ◽  
Xiuli Zhang ◽  
Huili Wang ◽  
Dehai Yu ◽  
...  
Keyword(s):  
Succinic Anhydride ◽  
Alkenyl Succinic Anhydride ◽  
Paper Sizing

Preparation and Sizing Application of ASA\Liquid Paraffin Stabilized by Grafted Montmorillonite

2013 ◽  
Vol 319 ◽  
pp. 29-33
Author(s):  
De Hai Yu ◽  
Zhao Yun Lin ◽  
You Ming Li
Keyword(s):  
Succinic Anhydride ◽  
Liquid Paraffin ◽  
Viscoelastic Behavior ◽  
Optimal Dosage ◽  
Pickering Emulsions ◽  
Alkenyl Succinic Anhydride ◽  
Paper Sizing ◽  
Silylating Agent ◽  
The Stability

Alkenyl succinic anhydride (ASA) is widely used to hydrophobize paper and paper board in papermaking industry. Montmorillonite (MMT) particles modified by trifunctional silylating agent were used as particulate emulsifier to prepare binary mixed sizing agent. It was found that stable ASA\liquid paraffin Pickering emulsions can be prepared by using grafted-MMT particles and the optimal dosage of LP oil was 50 vol.%. The ASALP Pickering emulsions exhibited some kinds of a solidlike viscoelastic behavior, which can be explained by the particulate network formed by grafted-MMT particles in the emulsion. Addition of LP oil not only improved the stability of ASA emulsions stabilized by particulate emulsifier, but also significantly promoted the internal paper sizing performance of ASA.

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