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Fabrication of Polyurethane-Polyacrylate Hybrid Latexes with High Organosilicon Content via Phase Inversion Emulsion Polymerization.
Molecules
December 2024
Key Laboratory of Advanced Materials of Ministry of Education of China, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
Waterborne polyurethane, with a mechanical strength comparable to solvent-based types, is eco-friendly and safe, using water as a dispersion medium. Polyacrylate excels in film formation and weather resistance but suffers from "hot stickiness and cold brittleness". Merging polyurethane and polyacrylate creates advanced hybrids, while organosilicon enhances properties but is restricted due to hydrolytic crosslinking.
View Article and Find Full Text PDFEvaluation of Drying Characteristics and Quality Attributes for Microwave Vacuum Drying of Pork Skin Crisps.
Foods
December 2024
College of Engineering, Northeast Agricultural University, Harbin 150030, China.
As an important by-product of pork, pork skin can be processed into meat-based leisure food products to improve its utilization. In this study, microwave vacuum drying (MVD) technology was used to investigate the effects of microwave powers (600, 700, and 800 W) and processing duration on the drying characteristics and quality attributes of pork skin crisps (PSC). Five classical drying models were used to non-linearly fit the experimental data, and the Midilli et al.
View Article and Find Full Text PDFConditions for shale gas accumulation and the gas-bearing factors of the Wufeng-Longmaxi formation in the Laifeng-Xianfeng area.
Sci Rep
January 2025
School of New Energy, Longdong University, Qingyang, 745000, China.
In this work, taking wells LD1, LD2, and LY2 in the Laifeng-Xianfeng area as the research target, through core description, intensive core sampling, experimental analysis, imaging logging and other methods, the characteristics of graptolite zone development, organic carbon content, mineral composition, shale reservoir properties and the gas-bearing properties of the Wufeng-Longmaxi Formation shale are systematically analyzed. The main factors affecting the gas-bearing capacity of the Wufeng-Longmaxi Formation shale are extensively evaluated. The results reveal the following: ① The Wufeng-Longmaxi Formation shale, which was deposited in a deep-water shelf environment, has a large thickness (50-60 m) and a stable distribution.
View Article and Find Full Text PDFFirst-principles calculations to investigate thermoelectric, thermophysical, and optical properties of RNi₄P₁₂ (R = Sm, Eu) rare-earth metal skutterudites.
Sci Rep
December 2024
Condensed Matter Theory Group, School of Studies in Physics, Jiwaji University, Gwalior, 474 011, India.
This study presents a comprehensive investigation into the intrinsic properties of RNiP (where R = Sm, Eu) filled skutterudite, employing the full-potential linearized augmented plane wave method within density functional theory (DFT) simulations using the WIEN2k framework. Structural, phonon stability, mechanical, electronic, magnetic, transport, thermal, and optical properties are thoroughly explored to provide a holistic understanding of these materials. Initially, the structural stability of SmNiP and EuNiP is rigorously evaluated through ground-state energy calculations obtained from structural optimizations, revealing a preference for a stable ferromagnetic phase over competing antiferromagnetic and non-magnetic phases.
View Article and Find Full Text PDFFunctionalized cellulose nanocrystals reinforced polysaccharide matrix for the preparation of active packaging for perishable fruits preservation.
Int J Biol Macromol
December 2024
College of Chemistry and Material Science, Shandong Agricultural University, Taian 271018, Shandong, PR China; Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Taian 271018, Shandong, PR China.
Polysaccharide-based films have received increasing attention as promising candidates for petrochemical plastics. However, they are highly brittle, poorly hydrophobic and without antibacterial activity, while current films used to address these issues often struggle to manage the balance between these properties. To achieve a balance of several performance indices of the films, functionalized dialdehyde cellulose nanocrystals (DCNCs) were prepared to activate pectin-based films.
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