搜索结果: 1-15 共查到“林业工程 mechanical”相关记录29条 . 查询时间(0.247 秒)
Pine Resin Derivatives as Sustainable Additives to Improve the Mechanical and Thermal Properties of Injected Moulded Thermoplastic Starch
bioplastic corn starch glycerol thermoplastic starch gum rosin injection-moulding
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2024/1/22
Fully bio-based materials based on thermoplastic starch (TPS) were developed starting from corn starch plasticized with glycerol. The obtained TPS was further blended with five pine resin derivatives:...
Improvement of physical and mechanical properties of poplar wood via immobilization of rosin by grafting of vinyl chains
Wood polymeric rosin wood impregnation mechanical properties fluorescence microscope
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2023/12/4
Rosin is renewable biomass with the potential to enhance wood properties. However, its high leaching rate restricts the durability of rosin impregnation. To immobilize rosin in wood structure, polymer...
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
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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...
Room-Temperature Green Recyclable Epoxy Composites with Enhanced Mechanical and Thermal Properties Cross-Linked via B-O-C Bonds
Dynamic covalent bond Epoxy resin Green chemistry Polymerization Thermoset composites
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2023/11/30
Without any catalyst, a novel way for the preparation of epoxy (EDSPs) and their composites by cross-link via dynamic B-O-C bonds was presented. The EDSPs with a glass transition temperature (T-g) of ...
Mechanical properties of carbon nanotubes/epoxy nanocomposites: Pre-curing, curing temperature, and cooling rate
Carbon nanotubes curing epoxy mechanical properties nanocomposites polymer nanocomposites
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2023/11/30
The effects of composite fabrication, such as pre-curing, curing temperature, and cooling rate, were studied. In this work, the pre-curing was defined as heat treatment of Multi-Walled Carbon Nanotube...
An injectable self-healing hydrogel-cellulose nanocrystals conjugate with excellent mechanical strength and good biocompatibility
Cellulose nanocrystals (CNCs) Graft Nanocomposite hydrogel Reversible covalent bond Self-healing
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2024/2/5
In this work, a novel strategy for the construction of injectable self-healing nanocomposite (NC) hydrogels dominated by reversible boronic ester bonds was demonstrated. Specifically, NC hydrogels wer...
Thermo-mechanical behavior of elastomers with dynamic covalent bonds
Elastomer Dynamic covalent bond Nanocomposite Thermo-mechanical response Constitutive modeling
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2024/2/5
Natural and synthetic rubbers (networks of polymer chains connected by irreversible chemical cross-links) cannot be repaired after damage, while discarded rubbers cannot be economically recycled and r...
Rheological and mechanical properties of cellulose/LDPE composites using sustainable and fully renewable compatibilisers
blends cellulose and other wood products compatibilization phase behavior rheology
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2024/2/29
Cellulose composites with polyethylene (PE) permit to reinforce this commodity polymer, while at the same time introducing renewable content and thus minimizing the use of petroleum-based feedstocks. ...
3D Printing of Poly(propylene fumarate) Oligomers: Evaluation of Resin Viscosity, Printing Characteristics and Mechanical Properties
3D Printing Poly(propylene fumarate) Oligomers Resin Viscosity
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2024/2/29
Complex three-dimensional (3D) pore geometries, useful for tissue engineering scaffolds, can be fabricated via photo-crosslinking of resorbable poly(propylene fumarate) (PPF) resins using stereolithog...
Preparation and mechanical properties of green epoxy nanocomposites with cellulose nanocrystals
PHYSICAL-PROPERTIES CURING BEHAVIOR SOYBEAN OIL EPOXIDATION NANOFIBER MODEL
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2024/3/5
Epoxy resin is widely used to make composites, electronic and electric parts, adhesives, and coating materials because it has excellent thermal, electrical, and mechanical properties. Using natural ma...
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
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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...
A comparative study of lignocellulosic nanofibrils isolated from celery using oxalic acid hydrolysis followed by sonication and mechanical fibrillation
Celery Lignocellulosic nanofibrils Oxalic acid hydrolysis Disk grinding
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2024/3/12
Two lignocellulosic nanofibrils (LCNF) were produced from celery using oxalic acid hydrolysis and sonication (OS) or refining by a SuperMassColloider grinder treatment (MT). Physicochemical properties...
Effect of Postcure Conditions on the Dynamic Mechanical Behavior of Water-Based Polymer-Isocyanate Adhesive for Wood II.Investigation of a polyvinyl alcohol solution and polymeric diphenylmethane diisocyanate model
water based isocyanate adhesive heat treatment dynamic mechanical analysis
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2009/11/23
In order to understand the effect of the heat treatment on the dynamic viscoelastic behavior of water based polymer-isocyanate adhesive for wood (API adhesive), we investigated the most simplified mod...
Mechanical Properties of Wooden I-beams with Plantation Timber Materials in Hokkaido III.Shear creep property
wooden I-beam bending creep shear creep creep factor
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2009/11/23
Shear creep property of wooden I-beams of 235 mm depth and three flange sizes with Todomatsu (Abies sachalinensis) lumber and Karamatsu (Larix kaempferi) plywood was examined by bending creep tests wi...
Determination of relationships between density, amount of glue and mechanical properties of OSB
oriented strand board (OSB) density bending strength modulus of elasticity tensile strength perpendicular to the board surface amount of glue PMDI glues
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2009/7/21
This paper deals with problems of the effect of changes in density and amount of glue on mechanical properties of OSB (oriented strand boards). Tests of mechanical properties were carried out on OSB...