Results 41 to 50 of about 20,406 (263)

Hydrothermal stability of Ru/SiO2-C: A promising catalyst for biomass processing through liquid-phase reactions [PDF]

, 2016
In this work, structural and morphological properties of SiO2-C composite material to be used as support for catalysts in the conversion of biomass-derived oxygenated hydrocarbons, such as glycerol, were investigated in liquid water under various ...
Gatti, Martín N., Gazzoli, Delia, Lombardi, Bárbara, Nichio, Nora N., Pompeo, Francisco, Santori, Gerardo F.   +5 more
core   +7 more sources

Synthesis and Characterization of Lignin-Based Polyurethane as a Potential Compatibilizer

Indonesian Journal of Chemistry, 2018
Lignin is one of the most abundant biopolymer on earth. It has polar and non-polar side due to its hyperbranched structure, but the polarity of lignin has a higher tendency than non-polarity.
Salma Ilmiati, Jana Hafiza, Jaka Fajar Fatriansyah, Elvi Kustiyah, Mochamad Chalid   +4 more
doaj   +1 more source

Swelling of acetylated wood in organic liquids

, 2005
To investigate the affinity of acetylated wood for organic liquids, Yezo spruce wood specimens were acetylated with acetic anhydride, and their swelling in various liquids were compared to those of untreated specimens. The acetylated wood was rapidly and
A. N. NAYER, C. B. VICK, E. Obataya, E. OBATAYA, F. P. LIU, R. M. ROWELL, R. M. ROWELL, S. Shibutani, T. KAGIYA, Y. ISHIMARU, Y. ISHIMARU   +10 more
core   +2 more sources

PLA/WOOD BIOCOMPOSITES: IMPROVING COMPOSITE STRENGTH BY CHEMICAL TREATMENT OF THE FIBERS [PDF]

, 2013
A resol type phenolic resin was prepared for the impregnation of wood particles used for the reinforcement of PLA. A preliminary study showed that the resin penetrates wood with rates depending on the concentration of the solution and on temperature ...
Acha, Afrifah, Anderson, Auras, B. Pukánszky, Bax, Bledzki, Clemons, Clemons, Dányádi, G. Faludi, Huda, Huda, Huda, Huda, J. Móczó, K. Renner, Kasuga, Kasuga, Lemmouchi, Li, Lin, Ljungberg, Markarian, Martin, Mathew, Morandim-Giannetti, Murariu, Murariu, Murariu, Oksman, Paul, Perego, Petinakis, Plackett, Pukánszky, Pukánszky, R. Csizmadia, Renner, Renner, Rozman, Rozman, Shimarnura, Sykacek, Zhang   +44 more
core   +1 more source

Depolymerization and Reuse of Polycarbonates: Emerging Classes, Mechanisms and Challenges

Angewandte Chemie, EarlyView.
This review collects the latest developments in the area of chemical and catalytic polycarbonate recycling strategies and includes the controlled degradation of similar types of macromolecules. Apart from the main strategies for deconstruction, the key mechanistic features of these depolymerization processes are also discussed together with the ...
Davide Rigo, David H. Lamparelli, Antonio Buonerba, Carmine Capacchione, Arjan W. Kleij   +4 more
wiley   +2 more sources

New degradation compounds from lignocellulosic biomass pretreatment: routes for formation of potent oligophenolic enzyme inhibitors [PDF]

, 2017
In this study 26 new oligophenol cellulase inhibitors were discovered from wheat straw pretreatment liquors.
Meyer, Anne S., Rasmussen, H., Sørensen, H. R., Tanner, David Ackland   +3 more
core   +1 more source

Photothermal Macroporous Lignin Cryogels for Off‐Grid, Continuous Atmospheric Water Collection via Interlayer Heat Recovery

Advanced Functional Materials, EarlyView.
Photothermal, macroporous lignin‐based cryogels are engineered to convert sunlight into low‐grade heat. Integrated as stacked beds in a drum‐type device, a thin copper interlayer transfers waste heat between beds, enabling interlayer heat recovery and continuous solar cycling.
Jie Yan, Jiqing Lu, Tian Bai, Lin Li, Zhaoxuan Niu, Yiying Yue, Wanli Cheng, Guangping Han, Orlando J. Rojas   +8 more
wiley   +1 more source

Development of PLA/Lignin Bio-Composites Compatibilized by Ethylene Glycol Diglycidyl Ether and Poly (ethylene glycol) Diglycidyl Ether

Polymers, 2023
Poly (lactic acid) (PLA) is a promising green substitute for conventional petroleum-based plastics in a variety of applications. However, the wide application of PLA is still limited by its disadvantages, such as slow crystallization rate, inadequate gas barrier, thermal degradation, etc. In this study, lignin (1, 3, 5 PHR) was incorporated into PLA to
Abdul Shakoor Shar, Ningning Wang, Tianyu Chen, Xiaoying Zhao, Yunxuan Weng   +4 more
openaire   +2 more sources

All‐Aqueous Pullulan Fibers Enabling Visible‐to‐Near‐Infrared Waveguiding with Mechanical and Thermal Resilience

Advanced Functional Materials, EarlyView.
Pullulan, a biomass‐derived polysaccharide, is transformed into transparent optical fibers using a solvent‐free borax hydrogel‐spinning method. The fibers outperform PMMA with ≈200 MPa tensile strength and 200 °C stability, while uniquely guiding visible‐to‐NIR light and enabling additive‐free humidity sensing.
Yuya Fukata, Aayush Kumar Jaiswal, Ari Hokkanen, Hannes Orelma, Tadahisa Iwata   +4 more
wiley   +1 more source

Inspiring effect of lignin on the properties of nanocrystalline cellulose films

Carbohydrate Polymer Technologies and Applications
The development of cellulose and lignin-based materials is the focus of numerous research projects due to increasing environmental awareness. However, cellulose and lignin cannot be melted or dissolved in their original forms, which limits their ...
Emília Csiszár, Dávid Kun, Fanni Temesváry-Kis, Erika Fekete   +3 more
doaj   +1 more source