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Sustainable alternative for bisphenol A epoxy resin high-performance and recyclable lignin-based epoxy vitrimers
Lignin Epoxy vitrimers Self-healing Shape memory polymer
2023/12/11
Epoxy vitrimers based on dynamic covalent bond chemistry have been developed in recent years as they can solve the problem of recycling and reuse for traditional thermosetting materials. Lignin as an ...
On the Development of Phenol-Formaldehyde Resins Using a New Type of Lignin Extracted from Pine Wood with a Levulinic-Acid Based Solvent
bio-resins phenolic resins levulinic acid lignin lignocellulosic waste resole resins
2023/12/1
Resole resins have many applications, especially for foam production. However, the use of phenol, a key ingredient in resoles, has serious environmental and economic disadvantages. In this work, ligni...
Thermosets resins prepared from soybean oil and lignin derivatives with high biocontent, superior thermal properties, and biodegradability
biodegradable biopolymers and renewable polymers resins thermosets
2024/2/4
A bio‐based monomer, methacrylated vanillyl alcohol (MVA), had been synthesized from vanillyl alcohol with methacrylate anhydride (MAA) via a solvent‐free, efficient method. The synthesis of MVA was c...
Lignin-based hydrogels: A review of preparation, properties, and application
Lignin hydrogels Preparation Properties Application
2024/2/4
Lignin as the second most abundant and the only polyaromatics-contained bio-polymer in plant has been most studied for various applications. In the past decade, the utilization of lignin for value-add...
Cascade Utilization of Biomass: Strategy for Conversion of Cellulose, Hemicellulose, and Lignin into Useful Chemicals
Lignocellulosic biomass Catalytic conversion Depolymerization Sugar alcohol Aromatic monomer
2024/3/8
Efficient utilization of all three components of lignocellulose—cellulose, hemicellulose, and lignin—impels efficient utilization of carbon dioxide fixed by photosynthesis. Conversion of all three of ...
Oxidative Cracking of Aromatic Compounds Related to Lignin Constituents with Steam Using ZrO2–Al2O3–FeOx Catalyst
Iron oxide catalyst Biomass Lignin-constituent aromatic Phenol Oxidative cracking
2010/9/8
The catalytic activity of iron oxide composite catalyst (ZrO2–Al2O3–FeOx) was investigated for converting aromatic compounds derived from plant biomass into useful aromatics. Catalytic cracking of lig...
REMOVAL OF ACID-SOLUBLE LIGNIN FROM BIOMASS EXTRACTS USING AMBERLITE XAD-4 RESIN
REMOVAL ACID-SOLUBLE LIGNIN BIOMASS EXTRACTS AMBERLITE XAD-4 RESIN
2010/10/25
This paper describes a method for the removal of acid-soluble lignin from acid hydrolyzed hemicelluloses extracted from a mixture of northern hardwood chips, by using Amberlite XAD-4 resin, which was ...
THE PEROXYMONOCARBONATE ANIONS AS PULP BLEACHING AGENTS. PART 1. RESULTS WITH LIGNIN MODEL COMPOUNDS AND CHEMICAL PULPS
PEROXYMONOCARBONATE ANIONS BLEACHING AGENTS LIGNIN MODEL COMPOUNDS CHEMICAL PULPS
2010/10/25
The peroxymonocarbonate mono-anion (HCO4─) is generated when the bicarbonate anion is added to a H2O2 solution. The mono-anion is believed to have a pKa value of ca. 10 and as such would start dissoci...
PYROLYTIC PRODUCTS FROM RICE STRAW AND ENZYMATIC/MILD ACIDOLYSIS LIGNIN (EMAL)
PYROLYTIC PRODUCTS RICE STRAW ENZYMATIC/MILD ACIDOLYSIS
2010/10/25
A pyrolysis tube furnace system was designed to assess the impact of different components on pyrolysis characteristics under nitrogen atmosphere, and pyrolysis temperature (400 to 900oC) as important ...
PPRODUCTION OF AROMATIC ALDEHYDE BY MICROWAVE CATALYTIC OXIDATION OF A LIGNIN MODEL COMPOUND WITH La-CONTAINING SBA-15/H2O2 SYSTEMS
PPRODUCTION OF AROMATIC ALDEHYDE MICROWAVE CATALYTIC OXIDATION LIGNIN MODEL COMPOUND La-CONTAINING SBA-15/H2O2 SYSTEMS
2010/9/20
A convenient and efficient application of heterogeneous La-containing SBA-15 systems for the microwave assisted oxidation of a lignin model phenolic monomer, 4-hydroxy-1-phenylpropane, is reported. Lo...
Application of transmission electron microscopy and UV-microspectrophotometry for detection of lignin in cell wall of conifers
UV-microspectrophotometry transmission electron microscopy potassium permanaganate
2009/11/26
Potassium permanganate represents a useful tool in transmission electron microscopy (TEM) for the localization of lignin in various morphological regions of wood. Since this method only provides quali...
Synthesis of Lignin Model Compounds and Their Application to Wood Research
monolignol β-O-4 LCC oligolignol artificial lignin
2009/11/23
Lignin is a complicated biopolymer which exists in the wood cell wall. Many model compounds that mimic substructures of lignin have been synthesized. They have been used and played an important role i...
Present Status and Future Prospects for the Study of Lignin
Present Status Future Prospects Study of Lignin
2009/3/6
Present Status and Future Prospects for the Study of Lignin.
Contribution of Lignin to Adsorption of Organic Liquids onto Wood
adsorption lignin organic liquids
2009/3/4
The contribution of lignin to the adsorption of several kinds of organic liquids onto wood was studied in relation to the amount of residual lignin of the samples. Three alcohols of different molecul...
Studies on Lignin-Based Adhesives for Particleboard Panels
Organosolv lignin lignin-phenol-formaldehyde resin methylolation tensile strength physical properties particleboard
2009/1/13
The ultimate aim of this work was to develop a phenolic resin for partially replacing phenol with modified organosolv lignin in phenol-formaldehyde (PF) resin production. The lignin-formaldehyde relat...