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High-performance gum rosin-modified hyperbranched vinyl ester resin derived from multifunctional pentaerythritol
Rosin Vinyl ester Thermal stability Chemical resistance Bio-based
2023/12/21
In this article, gum rosin-based hyperbranched vinyl ester resin (VPEMPAE) was synthesized from maleic anhydride-modified gum rosin adduct (MPA). This adduct (MPA) was reacted with pentaerythritol to ...
Synthesis of Maleic-Modified Rosin Ester from Pine Rosin
Rosin modification Esterification Glycerol Diels-Alder Maleic
2023/12/11
Rosin is the major component of Pine sap that has a composition of up to 90%. Rosin is an organic compound that consists of diterpene tricyclic compounds with carboxyl functional group. The presence o...
Rosin modified aminated mesoporous silica adsorbed tea tree oil sustained-release system for improve synergistic antibacterial and long-term antibacterial effects
TTO antibacterial evaluation mesoporous silica rosin sustained release
2023/12/5
Tea tree oil, a natural antibacterial compound, cannot be used effectively because of its volatile nature. In this work, a biocompatible carrier was prepared and loaded with tea tree essential oil. Th...
Effect of Natural Crosslinker on the Properties of Chicken Feather and Modified Vegetable Oil Based Green Composites
Biocomposite natural fiber mechanical properties thermal properties biodegradable
2023/12/4
For the past few decades environmental concerns had been influencing the researchers to employ natural fibers and polymers from renewable resources as a replacement for petroleum-based resins and synt...
Preparation and research of epoxy modified by carboxyl-terminated polybutylene adipate at room temperature
NANOFILLERS IMPROVEMENT RESIN
2023/12/1
In this study, carboxyl-terminated polybutylene adipate (CTPBA) was used to modify epoxy resin, and the modified epoxy resin was cured by a room temperature rapid curing agent (T-31). The effects of C...
Thermal Degradation Behavior of Epoxy Resin Containing Modified Carbon Nanotubes
epoxy resin carbon nanotubes silicone thermal degradation flame retardancy activation energy
2023/12/1
Via the surface-grafting of carbon nanotubes (CNTs) with a silicon-containing flame retardant (PMDA), a novel flame retardant CNTs-PMDA was synthesized. The flame retardancy was tested by cone calorim...
GUS Aerogel Modified Phenolic Nanocomposites: Effects of Inhomogeneous Cross-Linking Characteristics and Interfacial Phase Properties on the Mechanical Behavior
GLASS-TRANSITION GRAPHENE OXIDE POLYMER NANOCOMPOSITES DIELECTRIC-PROPERTIES MOLECULAR MOBILITY DYNAMICS REINFORCEMENT NANOPARTICLES TEMPERATURE DISPERSION
2023/12/1
Mechanical properties of thermosetting polymer nano composites (PNCs) are largely dominated by the polymer-nanoparticle interfacial phase. However, not much is known about the association of interfaci...
Synthesis of eugenol-modified epoxy resin and application on wood flame retardant coating
Wood Flame retardant Bio-based epoxy resin Low curing activation energy
2023/11/30
In this paper, a novel epoxy flame retardant PPDEG-EP (P-E) was synthesized from eugenol by nucleophilic substitution reaction and Prilezhaev epoxidation. The chemical structure was identified by nucl...
Soybean Oil Modified Bio-based Poly(vinyl alcohol)s via Ring-Opening Polymerization
Biodegradable properties Epoxidized soybean oil Modification Poly(vinyl alcohol)
2024/3/4
In this paper, a simple method to modify the poly(vinyl alcohol) (PVA) through ring-opening reaction of epoxidized soybean oil (ESBO), catalyzed by hydrochloric acid is reported. The effect of ESBO lo...
Modified cellulose nanocrystals enhancement to mechanical properties and water resistance of vegetable oil-based waterborne polyurethane
biopolymers and renewable polymers polyurethane silylated cellulose nanocrystals surface modification
2024/3/8
Environmentally friendly and lightweight silylated cellulose nanocrystal (SCNCs)/waterborne polyurethane (WPU) composite films that exhibit excellent mechanical properties and water resistance were pr...
Development of High-Performance Biodegradable Rigid Polyurethane Foams Using Full Modified Soy-Based Polyols
soy-polyol rigidpolyurethanefoam microflowsystem
2024/3/12
Fossil fuel resources depletion and growing concern about environmental issues have raised the demand for newly sustainable biomaterials. To address this challenge, a new type of biodegradable and env...
Influence of artificial accelerated weathering on properties of surface coatings on non-modified and modified wood
thermal modification of wood surface coating artificial accelerated aging adhesion colour
2009/11/26
Due to its increased dimensional stability, modified wood is suited for outside applications. Because the systems‘exterior surface coatings – modified wood’ have not been studied thoroughly up to now,...
Dimensional stability of wood modified by citric acid using different catalysts
dimensional stability of wood beech wood fir wood chemical modification citric acid NaH2PO2 NaH2PO4
2009/7/21
Small wooden samples of fir (Abies alba Mill.) and beech (Fagus sylvatica L.) were chemically modified by citric acid (CA) as non-formaldehyde cross-linking system reagent and cured by convection he...
Performance of thermally modified timber (TMT) in outdoor application – durability, abrasion and optical appearance
blue stain cracks decking faç ade weathering
2009/7/21
Thermally modified timber (TMT) is increasingly offered in Europe as an alternative to preservative treated timber. TMT durability in field tests as well as its moisture sorption behaviour in fa&cce...
Evaluation of Optimized Conditions of Modified Kraft-Anthraquinone Cooking Processes Using Laboratory Wood-Cooking Equipment
kraft pulp continuous cooking anthraquinone hardwood laboratory equipment
2009/3/6
Various kinds of modified cooking methods have been used in many kraft pulp mills to improve properties of pulp from wood. Furthermore, anthraquinone compounds have been used as cooking additives to i...