-
2018-11-07
Brand :CSCERAMIC Factory :CS CERAMIC CO.,LTD YB/T 4145-2006 (China) Dedicated Carbon Sulfur Analyzing Crucible 1. Scope This standard defines terminologies, structure, technical requirements, usage requirements, package, storage and transportation, marks, and quality certificates of dedicated carbon sulfur analyzing crucible. This standard is applicable to dedicated carbon sulfur analyzing c...
-
2018-12-05
Thermal analysis technology is a group of technologies to characterize the relationship between the properties of materials and temperature. It is widely used in qualitative and quantitative characterization of thermal, physical, mechanical and stability properties of materials, and has very important practical significance for the research and development of materials and quality control in produ...
-
2018-12-20
Thermal analysis has been applied in many fields, and various materials and sizes of thermal analysis sample pans have appeared accordingly.Its effectiveness can be obtained not only academically but also industrially.As an application field, inorganic materials such as metals, minerals, ceramics, glass and high molecular materials such as plastics and rubber are self - evident, and all substances...
-
2019-01-02
The glass transition, thermal degradation, thermal oxygen degradation and desorption of ABS / PVC / NBR alloy were studied by DSC, TGA and TMA techniques. The HCl process and deformation characteristics are systematically studied.The results show that various changes in ABS / PVC / NBR alloy are accompanied by changes in energy, mass and geometry. Glass transition temperature is an important param...
-
2019-01-16
Aluminum crucible is the main supporting tool in thermal analyzer and the carrier of sample. Aluminum is a silver-white metal, which is protected from reaction with air and water due to its surface oxide layer. It is easily soluble in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solutions, and hardly soluble in water. Relative density 2.70. Melting...
-
2019-01-21
Advantages of Thermal Analysis Crucible Cover: Improving the temperature distribution in the crucible is conducive to uniform temperature inside the reaction system. Effectively reduce the influence of radiation effect and sample color. Prevent the flying of extremely light fine sample powder and prevent it from drifting away with the dynamic atmosphere or being taken away in the process of vacuum...
-
2019-02-21
Abstract: DSC, TGA and TMA techniques are used for systematical study of glass transition, thermal degradation, thermal oxygen degradation, HCl removal process and deformation characteristics of ABS / PVC / NBR alloys. The results show that various changes in ABS / PVC / NBR alloy are accompanied by changes in energy, mass and dimension. Glass transition temperature is an important parameter to ch...
-
2019-03-08
1.Brief introduction Due to influence of thermal history, various properties of polymers will change, especially thermal properties of crystalline polymers. Thermal history of polymer is affected by various factors such as preparation process, storage conditions, and usage environment. Usually, thermal history of materials is studied by thermal analysis and viscoelasticity measurement. This paper ...
-
2019-03-08
Aluminum crucible is the main supporting tool in thermal analyzer and the carrier of sample. Aluminum is a silver-white metal, which is protected from reaction with air and water due to its oxide layer on the surface. It is easily soluble in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solutions, while hardly soluble in water. Relative density 2.70...
-
2019-03-14
1. Experimental part 1.1 Experimental instrument DuPont 1090 thermal analyzer is used, thermal analysis sample crucible. 1.2 Experimental method DSC: Determination of glass transition of polymers and their alloys; TGA: Determination of thermal degradation, thermal oxidation degradation and constant temperature properties of polymers and their alloys; TMA: Determination of expansion coefficient and...
-
2019-03-25
25.44 26.12 26.68 27.18 27.63 28.07 28.52 29.00 29.53 30.11 30.75 31.43 32.17 500 24.88 25.57 26.14 26.62 27.06 27.48 27.91 28.37 28.87 29.43 30.03 30.70 450 24.36 25.06 25.63 26.11 26.54 26.95 27.36 27.79 28.26 28.79 29.37 400 23.85 24.58 25.16 25.65 26.07 26.46 26.85 27.26 27.71 28.21 350 23.37 24.12 24.73 25.22 25.64 26.03 26.40 26.79 27.21 300 22.89 23.68 24.31 24.82 25.25 25.63 25.99 26.37 25...
-
2019-03-28
1.Experimental part 1.1 Raw material Ammonia ester modified liquefied MDI (U-MDI ), NCO%=28.4 %, functionality 2, ethylene oxide terminated polypropylene oxide polyether (PPO), ZS-2185, Mn=2000, [K+]<5ppm, primary hydroxyl content>70% in DETDA, 2,4-isomer/2,6-isomer=80/20. MDA and catalyst dibutyltin dilaurate are chemical reagents, catalyst dosage: 2.0×10-1g cat./g PPO. 1.2 Sample pre...
-
2019-04-02
Standard Test Method for Curing Properties of Extruded Resins by Thermal Analysis Original standard name: standard test method for testing the curability of extruded resin by thermal analysis using thermal analyzer sample pan Standard number: NB/SH/T 0859-2013 Issued by: American Society of Materials and Tests (ASTM) Accelerated Storage Test, Thermal Analysis Methods for Dangerous Goods. Different...
-
2019-04-16
1. Introduction to Thermal Analysis Thermal analysis (TA) is a technique that records the functional relationship between physical properties and temperature of sample under the programmed temperature conditions. The most commonly used TA methods are differential thermal analysis (DTA), differential scanning calorimetry (DSC) and thermogravimetry (TG). The most commonly used thermal analysis cruci...
-
2019-04-24
Thermal analysis is an analytical method to study the relationship between physical and chemical changes and temperature of materials. This article summarizes application of thermal analysis technology in research field of traditional Chinese medicine. 1. Classification of Methods of Thermal Analysis Technology There are various types of thermal analysis methods, among which differential thermal a...
-
2019-05-09
Advantages of lidded Thermal Analysis Crucible: Improving temperature distribution in the crucible, which favors uniform temperature inside the reaction system. Effectively reducing the influence of radiation effect and sample color. Preventing extreme light sample powder from flying and drifting away with the dynamic atmosphere or being taken away in the process of vacuum purge. Sensor can be eff...
-
2019-08-13
In recent years, with development of new energy source and IT industry, silicon-based technologies are attracting more and more attention, and always play a significant role in the so-called new science and technology revolution. One example is solar energy market, in which silicon-based materials dominate a market share of over 90 percent. To secure its strong position within the energy industry ...
-
2022-09-01
Alumina ceramics are sintered under the temperature of 1450~1800℃, which contain aluminum oxide as the main raw material and 6~30% of sintering additives, such as clay, MgO, CaO, TiO. The purer alumina ceramics are, the better performance can be obtained, however the manufacturing of alumina ceramics also becomes more difficult with aluminum oxide proportion increases. Pure alumina ceramic can be ...
-
2022-09-26
Aluminum oxide ceramic is a kind of ceramic material whose main crystalline phase is α-Al2O3, which is the most stable and also the only Al2O3 crystalline form that exists in the nature. For the features of high melting point, excellent hardness, outstanding corrosion resistance and dielectric property, α-Al2O3 ceramic is widely used as material for industrial parts, and the manufactured pr...
-
2022-11-29
Zirconia ceramic is a non-metallic inorganic material sintered at high temperature. It is widely used in various industries for its excellent properties of high temperature resistance, corrosion resistance, wear resistance and thermal shock resistance. In this article, the major factors that can affect zirconia ceramic properties are briefly introduced. 1. Purity of zirconia powder The raw ma...