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Thermal Stability of Abietic Acid and Its Oxidation Products
Abietic Acid Thermal Stability Its Oxidation Products
2024/1/10
The thermal oxidation characteristics of abietic acid were investigated through tracing the oxidation process in custom-designed mini closed pressure vessel test under isothermal and step temperature ...
A facile strategy to construct multifunctional microencapsulated urea ammonium polyphosphate for epoxy resins towards satisfied fire safety, thermal stability and compatibility
epoxy resin fire safety mechanical properties microencapsulation urea ammonium polyphosphate
2023/11/16
Enhancing the fire safety of epoxy resin (EP) concomitant with less mechanical performance degradation is still a challenge for traditional flame retardants. Hence, polypyrrole (PPy) was used as a fil...
Preparation of fluorinated epoxy-phthalonitrile resins with excellent thermal stability and low dielectric constant
curing behavior fluorinated epoxy-phthalonitrile resins low dielectric constant thermal stability
2023/11/16
Fluoropolymers find applications in heat-resistant cables, chemical-resistant linings, electronic components, cladding materials, and weather-resistant films. Therefore, it is imperative to improve th...
Engineering Lignocellulose Fibers with Higher Thermal Stability through Natural Fiber Welding
ionic liquids lignocellulose nanocellulose natural fiber welding silane thermal stability
2024/3/12
This study reveals how natural fiber welding (NFW) can be used to engineer biopolymer materials with improved thermal stability. First, it is shown how NFW without binders improves lignocellulose yarn...
Effect of extrusion treatment on the thermal stability and structure of corn starch with different emulsifiers
crystallinity modified starches extrudate complexes
2015/10/9
Corn starch was treated with raw moisture (30%), screw speed (160 rpm), extrusion temperature (30, 55, 80, 105, 130, and 155°C), and emulsifier (1.2%) to produce the starch extrudate particles in a tw...
pH and thermal stability of anthocyanin-based optimised extracts of Romanian red onion cultivars
Allium cepa L. phenolics anthocyanins pH differential Differential Scanning Calorimetry
2014/2/24
Total phenolics and anthocyanins in ten samples of Romanian red onion cultivars, extraction optimisation and pH/thermal stability were investigated. Extraction with 80% aqueous ethanol leads to an inc...
Hydrogen bonds are related to the thermal stability of 16S rRNA
Optimal Growth Temperature 16S Ribosomal RNA G + C Content Hydrogen Bonds Base Pairs Nucleotide Compositions
2013/1/28
The number of base pairs in the 16S rRNA secondary structures of 51 bacterial sequences was counted, and the number of hydrogen bonds was estimated. The number of hydrogen bonds was highly correlated ...
Preparation and properties of mesoporous silica/bismaleimide/diallylbisphenol composites with improved thermal stability, mechanical and dielectric properties
thermosetting resins bismaleimide meosoporous silica dielectric properties structure-property
2011/12/14
New composites with improved thermal stability, mechanical and dielectric properties were developed, which consist of 2,2!-diallylbisphenol A (DBA)/4,4!-bismaleimidodiphenylmethane (BDM) resin and a n...
Polydispersity as a Parameter for Indicating the Thermal Stability of Proteins by Dynamic Light Scattering
Polydispersity Parameter Indicating Thermal Stability Proteins
2010/9/13
A physical parameter for predicting the thermal stability of proteins was provided by a new approach using dynamic light scattering (DLS). The relationship between the melting point measured by differ...
Thermal stability of functional properties in dispersion and precipitation hardened selected copper alloys
Nanomaterials Functional materials Metallography
2009/12/2
Purpose: The objective of the study was to produce copper-based dispersion hardened materials of submicron
grain size, determination of their basic functional properties and stability in high tempera...
Thermal Stability of Hydroxylapatite-Titanium and Hydroxylapatite- Titania Composites
Hydroxylapatite titanium biomaterials implants interface
2009/10/12
The aim of the current study is to investigate the reaction of hydroxylapatite with both metallic titanium and titanium oxide, and to examine the e ect of atmosphere on these reactions. For this purpo...
Synthesis and thermal stability of hydrotalcites based upon gallium
Hydrotalcite Hydrocalumite Gallium Synthesis Thermal stability
2011/11/10
Hydrotalcites based upon gallium as a replacement for aluminium in hydrotalcite over a Mg/Al ratio of 2:1 to 4:1 were synthesised. The d(003) spacing varied from 7.83 ?for the 2:1 hydrotalcite to 8.15...
Synthesis and thermal stability of hydrotalcites containing manganese
Charmarite Rhodochrosite Hydrotalcite Hydrocalumite Synthesis Thermal stability
2011/11/10
The hydrotalcite based upon manganese known as charmarite Mn4Al2(OH)12CO3·3H2O has been synthesised with different Mn/Al ratios from 4:1 to 2:1. Impurities of manganese oxide, rhodochrosite and bayeri...
Electron microscopy studies of the thermal stability of gold nanoparticle arrays
thermal stability gold nanoparticle arrays
2009/7/28
A series of monolayer protected gold nanoparticlecolloidal solutions have been prepared with averagesizes in the 2-15nm range. If a drop of such acolloidal suspension is deposited onto a Si3N4substrat...
Differences in Thermal Stability of Glucosinolates in Five Brassica Vegetables
food matrix phytochemicals processing degradation
2014/3/10
The thermal stability of individual glucosinolates within five different Brassica vegetables was studied at 100°C for different incubation times up to 120 minutes. Three vegetables that were used in t...