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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...
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
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 ...
Stretchable and self-healable double-network ionogel with strong adhesion and temperature tolerance for information encryption
Ionic liquids Ionogel Double network Fluorescence Information encryption
2023/11/30
Recently, hydrogels with adjustable mechanical properties have been developed for information security applications. However, the defects such as easy drying and inferior resistance to extreme tempera...
Mechanical properties of carbon nanotubes/epoxy nanocomposites: Pre-curing, curing temperature, and cooling rate
Carbon nanotubes curing epoxy mechanical properties nanocomposites polymer nanocomposites
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...
Low-temperature 3D printing and curing process of continuous fiber-reinforced thermosetting polymer composites
3D printing CFRTPC curing behavior prediction low-temperature process model-free kinetics
2023/11/16
The reported work has developed a methodology of printing and curing continuous fiber-reinforced thermosetting polymer composites (CFRTPCs) with excellent mechanical properties at low temperatures. Fi...
Influence of thermal treatment temperature on the dielectric properties of wood
dielectric properties temperature heating wood high-frequency
2009/11/26
The effect of thermal treatment temperature on the dielectric properties of beech (Fagus sylvatica L.) and spruce (Picea abies L.) was investigated. Wood disks with a diameter of 45 mm and a thickness...
INFLUENCE OF DRYING TEMPERATURE ON PROPERTIES OF WOOD SURFACES
DRYING TEMPERATURE PROPERTIES OF WOOD SURFACES
2009/11/26
INFLUENCE OF DRYING TEMPERATURE ON PROPERTIES OF WOOD SURFACES。
Equilibrium Moisture Content of Japanese Cedar (Cryptomeria japonica) Green Wood for Columns in a High-Temperature Water Vapor Environment
real time measurement moisture content high temperature high pressure material for columns
2009/11/23
Changes in the moisture content of Japanese cedar (Cryptomeria japonica D. Don) green wood for columns with the dimensions of 110×110×1000 mm during drying in environments of over 100°C and 1 atm were...
Preparation of Porous Bamboo Carbon by Low-Temperature Activation in Air
bamboo carbonization air oxidation ash potassium
2009/11/23
Bamboo carbon was prepared in N2 flow for 2 hours at 500 °C with heating rates from 7 °C/min to 39 °C/min, resulting in a BET surface area ranging from 28 to 252 m2/g, respectively. For the next step,...
Relationships between Internal Cracks and Strains during High Temperature Drying of Sugi Boxed-Heart Square Timbers
high temperature drying strain gauge internal crack internal strain tensile stress
2009/3/6
Internal strains in sugi (Cryptomeria japonica D. DON) boxed-heart square timbers were measured by using strain gauges during high temperature drying above 100°C. We discuss relationships between inte...
Variation in Moisture Content of Sugi Boxed Heart Timber in Miyazaki Prefecture during Kiln Drying under High Temperature and Low Humidity II
sugi kiln-dry high temperature moisture content internal check
2009/3/6
Sugi (Cryptomeria japonica D. Don) boxed heart timbers from Miyazaki prefecture were kiln-dried at low humidity under two high-temperature conditions. The distribution of moisture content, changes in...
Mechanical Properties of Wood in an Unstable State due to Temperature Changes, and an Analysis of the Relevant Mechanism II
wood block uniform elimination lignin hemicellulose
2009/3/6
In order to prepare wood specimens for subsequent measurements of mechanical properties, we examined the selective and uniform elimination of wood constituents from a 4 mm thick cross section of hino...
Mechanical Properties of Wood in an Unstable State due to Temperature Changes, and an Analysis of the Relevant Mechanism I.
quenching swollen wood variations of temperature stress relaxation fluidity
2009/3/6
To study mechanical properties of wood exposed to variations of temperature, in this study the swollen wood (water-swollen wood & ethylene glycol-swollen wood) was preheated at 30-180°C and quenched t...
Mechanical Properties of Wood in an Unstable State due to Temperature Changes, and Analysis of the Relevant Mechanism V.
quenching thermal expansion thermal decomposition destabilization
2009/3/6
In order to define the effects of thermal expansion and thermal decomposition on the destabilization of quenched wood, we measured the stress relaxation of steam-treated wood and oven-dried wood under...
Simulation of the Drying Process Using Temperature in Wood as Calculated from Moisture Content
diffusion coefficient finite difference method wet-bulb temperature
2009/3/4
The three-dimensional diffusion equation was solved by the finite difference method, and then the moisture content of structure lumber during drying was calculated. The moisture content was converted...