Homogeneous modification of chitin and chitosan based on alkali/urea soluble system and their applications in biomedical engineering

2021 ◽  
Author(s):  
Shichao Bi ◽  
Di Qin ◽  
Shipeng Yuan ◽  
Xiaojie Cheng ◽  
Xiguang Chen
Keyword(s):  
Environmental Degradation ◽  
Biomedical Engineering ◽  
Environmentally Friendly ◽  
Production Method ◽  
Green Water ◽  
Water Based ◽  
Chitin And Chitosan ◽  
Homogeneous Modification ◽  
Resource Shortage ◽  
Environmentally Friendly Production

Resource shortage and environmental degradation have forced people to pay attention to the development and application of environmentally friendly production method. Alkali/urea is a green water-based solvent for chitin and...

An Experimental Study of Antirust Additives Ratio for Green Water-Based Lubricant

2011 ◽  
Vol 697-698 ◽  
pp. 88-92
Author(s):  
F.G. Yan ◽  
S. Yan ◽  
F. Liu ◽  
Bin Lin
Keyword(s):  
Experimental Study ◽  
Environmentally Friendly ◽  
Water Lubrication ◽  
Green Water ◽  
Spindle System ◽  
Low Viscosity ◽  
Orthogonal Experiments ◽  
Water Based ◽  
Optimal Formula

In recent years taking into account the environmentally friendly property and low viscosity of water, water lubrication technology has been developing rapidly. However, the water itself contains easily-rust metal. Thus in order to meet the need of the spindle system of our research, we need to add antirust additives in water. Through the analysis of antirust additive, suitable composition of water-based antirust additive is obtained, and a new water-based lubricant is formed. Through orthogonal experiments of testing antirust properties, the optimal formula of lubricant is gained, and the ratio of various additives is confirmed.

Green water-based binders for LiFePO4/C cathode in Li-ion batteries: a comparative study

2021 ◽  
Author(s):  
Xiaojing Zhang ◽  
xinyi Ge ◽  
Zhigang Shen ◽  
Han Ma ◽  
Jingshi Wang ◽  
...  
Keyword(s):  
Comparative Study ◽  
Polyvinylidene Fluoride ◽  
Low Cost ◽  
Green Water ◽  
Li Ion Batteries ◽  
Environmental Friendliness ◽  
Water Based ◽  
Li Ion

Compared with environmentally harmful binder polyvinylidene fluoride (PVDF) in Li-ion batteries (LIBs), water-based binders have many advantages, such as low cost, rich sources and environmental friendliness. In this study, various...

scholarly journals Towards Sustainable Private Labels in an Autonomous Community during COVID-19—Analysis of Consumer Behavior and Perception on the Example of Tenerife

2021 ◽  
Vol 13 (13) ◽  
pp. 7467
Author(s):  
Maksymilian Czeczotko ◽  
Hanna Górska-Warsewicz ◽  
Wacław Laskowski ◽  
Barbara Rostecka
Keyword(s):  
Consumer Behavior ◽  
Research Question ◽  
Environmentally Friendly ◽  
Food Products ◽  
Organic Production ◽  
Autonomous Community ◽  
Private Labels ◽  
Chi Square ◽  
And Cluster Analysis ◽  
Environmentally Friendly Production

Our study aimed to analyze consumer behavior and perception towards private labels (PLs) in Tenerife as an autonomous community during COVID-19, with special attention given to sustainability aspects. The research was conducted on a sample of 500 adults purchasing PLs using quota selection and the CAWI method. We formulated four research questions related to factors of PL choice, the relationship between frequency of PL purchases, consumers’ age and income, perceived changes in PLs, and evaluation of PL products including sustainability. The latter research question referred to such product characteristics as local and environmentally friendly production, organic production, and production according to traditional technologies using only natural ingredients. For a detailed analysis of consumer behavior, we used Pearson’s chi-square test, the rho-Spearman correlation coefficient, and cluster analysis. The most important factors for purchasing PL products were lower prices compared to leading brands, attachment to a given chain, and the feeling of safety and trust in PL products. The frequency of purchase of PL food products, except for alcohol, significantly negatively correlates with age, which means that the purchase of PLs from the analyzed product categories decreases with age. The increased availability and improved image and quality of PLs were identified as the most important changes in PLs. PL food products were rated by consumers as fresh, minimally processed and with quality certificates. Environmentally friendly production methods, nutritional value, and origin from an area close to home were also indicated.

Increased residual lithium compounds guided design for green recycling of spent lithium-ion cathodes

2021 ◽  
Author(s):  
Min Fan ◽  
Xin Chang ◽  
Yu-Jie Guo ◽  
Wan-Ping Chen ◽  
Ya-Xia Yin ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Closed Loop ◽  
Lithium Ion ◽  
Green Water ◽  
Lithium Compounds ◽  
Water Based

Based on the increased residual lithium compounds of the degraded cathode, a green water-based strategy is designed for achieving closed-loop recycling of spent lithium-ion batteries.

HONING PROCESS USING WATER-BASED COOLANT CONTAINING SOLUBLE WATER POLYMERS

2020 ◽  
Author(s):  
Y.V. Sidelnik-Rubanova ◽  
◽  
E.Y Manshina
Keyword(s):  
Environmentally Friendly ◽  
Quality Of Work ◽  
Technological Processes ◽  
Cooling Liquid ◽  
Water Based

Honing using a silicate-cooling liquid improves the quality of work surfaces, which increases the reliability and durability of the interfaces. This coolant can be used in existing technological processes. it is cheap, fireproof, does not contain scarce components, is environmentally friendly, accessible and easy to manufacture.

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