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Enhanced performance of rosin-based epoxy composites mixed with carbon nanotubes and cork powders from oriental oak bark
Rosin Epoxy resin Carbon nanotubes Cork powders Thermal properties Mechanical properties
2024/1/12
Rosin-based epoxy composites with high-impact toughness, tensile strength, modulus, and excellent flame retardance were prepared through a simple and effective approach. In this study, rosin-based epo...
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 ...
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 ...
Novel high-performance bamboo modification through nature rosin-based benzoxazine
Benzoxazine Biobased resin Bamboo Anti-fungal Mechanical properties
2023/12/6
In this study, we synthesized three new, entirely bio-based benzoxazines using rosin-based dehydroabietylamine, luteolin, quercetin, hydroquinone, and paraformaldehyde. The chemical structures of DL (...
Development and evaluation of a hydrogenated rosin (β-acryloxyl ethyl) ester–bonded silica stationary phase for high-performance liquid chromatography separation of paclitaxel from yew bark
Rosin-based stationary phase Paclitaxel Retention mechanism Separation Yew-bark extract
2023/12/5
Paclitaxel (PTX) is a complex diterpenoid anticancer drug whose separation from yew biomass poses a significant challenge. In this study, a new stationary phase comprising hydrogenated rosin (β-acrylo...
Preparation of rosin-based polymer microspheres as a stationary phase in high-performance liquid chromatography to separate polycyclic aromatic hydrocarbons and alkaloids
rosin-based stationary phase alkaloids polycyclic aromatic hydrocarbons polymer microspheres
2024/3/8
Acrylpimaric acid ethylene glycol acrylate was used as the cross-linking agent to prepare rosin-based polymer microspheres through membrane emulsification-microsuspension polymerization. The prepared ...
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...
CALENDAR TIME AND WORK PERFORMANCE OF SYNCROFALKE CABLE CRANES IN THE TOLMINSKO REGION
machine calendar time cable crane work study work performance
2009/11/26
The article presents an analysis of calendar times and work performance of two Syncrofalke cable cranes in Slovenia – the Tolminsko region. Calendar time is dealt with in accordance of the internation...
Physical Properties and Wood Bonding Performance of Polyvinyl Alcohol with Addition of Montmorillonite
montmorillonite PVA heat resistance dynamic viscoelastic property wood bonding performance
2009/11/23
To improve the heat resistance of an aqueous vinyl polymer solution-isocyanate adhesive (API), we examined the film properties and the wood bonding performance of polyvinyl alcohol (PVA), which is gen...
Racking Performance of Floor Diaphragms with Thick Particleboard
floor diaphragm thick particleboard Tuomi's assumption
2009/11/23
Racking tests of floor diaphragms with 30 mm thick particleboard, and the JIS 13 type, were conducted to confirm this board's feasibility as a sheathing material. Racking resistance of the diaphragms ...
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...
Cutting Performance and Wear Characteristics of Chromium Nitride Coated Tools II.The chip forming ability of worn tools in edge-grain milling of spruce
CrN coated tool chip formation tool wear up-milling
2010/3/4
To establish the cutting performance and tool wear characteristics of a cemented carbide tool with clearance faces coated with CrN (UP), edge grain surfaces of spruce were milled with a 134 mm diamete...
Mechanism of Pull-out Performance in Lagscrewbolted Timber Joints II
Lagscrewbolt pull-out resistance Volkersen model thin plate specimens
2009/3/6
Lagscrewbolts were developed as a simple and economical moment-resisting connector for glulam frame constructions. This new type of connector is expected to show high pull-out resistance due to the s...
Mechanism of Pull-out Performance of Lagscrewbolted Timber Joints I
Lagscrewbolt lead hole embedment depth embedment direction edge distance
2009/3/6
At present, moment-resisting connections for glulam constructions are widely constituted as drift-pin joints with insert-steel gusset plates, as well as bolted joints. These joints consume much steel ...
Mechanism of Pull-out Performance in Lagscrewbolted Timber Joints III
lagscrewbolt pull-out perpendicular to the grain Volkersen model effective area (Aw)
2009/3/6
Lagscrewbolts were developed as simple and economical moment-resisting connectors for glulam constructions. A lagscrewbolt has two threads :a screw type thread on the outside surface at one end and a ...