Thermal Analysis UserCom

Applications / Contents

• Heat capacity determination at high temperatures by TGA/DSC.
  Part 1: DSC standard procedures
• Influence of the dwell time and dwell temperature on the glass transition of injection molded parts
• Polymerization of ethylene and propylene: Synthesis and analysis from one company
• DMA measurements for structure determination of anisotropic fillers
• The TGA-MS combination
• Characterization of candies by DSC and microscopy
• Verification of the TMA force
  

Applications / Contents

• Optimum choice of method and  evaluation in DMA measurements  of composites
• Thermogravimetric and calorimetric analyses of yeasts
• Determination of the oil content in elastomers by TGA
• Determination of calcium sulfate dihydrate and hemihydrate in cement
• Determination of oxidation stability by pressure-dependent OIT measurements
• Thermochromism of HgI₂

Applications / Contents

• Choosing the right baseline
• Determination of the Noack evaporation loss of lubricants  by TGA
• The characterization of poly- morphs by thermal analysis
• Analysis of melting processes using TOPEM^®
• Characterization of delivery systems by thermogravimetry
• Tips and hints - Detection and evaluation of weak sample effects in DSC

Applications / Contents

• Influence of absorbed moisture on the mechanical properties of  Polyamide 6
• Evaluation and interpretation of peak temperatures of DSC curves.  Part 2: Examples
• Curie temperature measurements on nanocrystalline iron-based mechanically alloyed materials
• Thermal characterization of food products
• Determination of the content of organic material in clay

Applications / Contents

• How to determine the optimum experimental parameters for DMA measurements
• Evaluation and interpretation of peak temperatures of DSC curves.  Part 1: Basic principles
• Photocalorimetric simulation of the light curing of adhesives
• Characterization of vegetable oils by DSC
• Influence of the chain structure of polymers on their flow behavior
• Unusual sample properties as an origin of artifacts
• Influence of the heating rate:  Melting and chemical reactions

TA Tip

• Method development in thermal analysis. Part 1

Applications

• Model free kinetics
• Determination of the adsorption and desorption of moisture in pharmaceutical substances 
• Investigation of the temperature stability of polymer additives and their decomposition products by TGA-MS and TGA-FTIR
• Determination of glass transition temperatures of powder disks by TMA
• Phase transitions of lipids and liposomes

• The advantages of DSC cooling measurements for characterizing materials
• From liquid to solid – measurement of mechanical quantities over more than 10 decades
• Quality assurance of plastic molded parts by DSC. Part 2: Process control
• Chemiluminescence of polypropylene
• Elucidation of thermal transitions by hot-stage microscopy
• TA Tip on the sample robot: change in moisture content before analysis

• DSC measurements at high heating rates – advantages and limitations
• Kinetic studies of complex reactions. Part 2: Description of diffusion control
• Curing kinetics of phenolformaldehyde resins
• Curing of powder coatings using UV light
• Quality assurance of plastic molded parts by DSC. Part 1: Incoming materials

• The glass transition temperature measured by different TA techniques. Part 2: Determination of glass transition temperatures
• Determination of binary phase diagrams of aqueous systems that are of importance for processes in the stratosphere
• Kinetic studies of complex reactions. Part 1: model free kinetics
• Thermal analysis of high melting ceramics

• The glass transition temperature measured by different TA techniques. Part 1: Overview
• Measurement of dynamic water vapor sorption processes by modified TGA
• Determination of the out-life of prepregs using the Advanced Model Free Kinetics software
• Analysis of complex decomposition reactions by TGA-GC-MS
• Thermogravimetric investigation of the formation electrochromic layers of nickel oxide

• Interpreting DMA curves, Part 2
  Complex modulus and compliance
  The frequency dependence of modulus and compliance
• DSC and TGA crucible sets, DSC crucible set (ME 51 141 278), TGA crucible set (ME 51 141 279)
• Characterization of drugs by DSC
• Determination of the glass temperature by dynamic mechanical analysis
  Samples and sample preparation
  Measurements and results
• Investigation of the cold crystallization and melting of amorphous linear polyesters by ADSC
• Drying and glass transition using IsoStep
  

• Interpreting DMA curves, Part 1
  Advanced Model Free Kinetics
  IsoStep^TM
• Thermal analysis of toners
  Tg and melting analyses of toners consisting of a thermoplastic base material, flowing agents, pigments, UV additives and other additives
• The characterization of resins in lithographic processes
  Simultaneous investigation of Tg and the thermal effects associated with the lithographic process
• Quantitative analysis of polyolefine blends
  Method to determine the composition of ternary LDPE/HDPE/PP samples for recycling applications
• The investigation of curing reactions with IsoStep^TM
  Separation ofcuring and vitrification/devitrification of an epoxy resin
• Thermal decomposition of copper sulfate pentahydrate
  Coupled MS proofs the reaction of SO₃ to SO₂ and O₂
• Investigation of delamination and foaming by TMA-MS
  Formation of bromine-containing compounds correlated with the softening of a printed circuit board
  

• Interpreting TMA curves
  Dilatometry, TMA and Dynamic Load TMA
• TGA-FTIR and TGA-MS measurements
  Transfer line temperature, carrier gas choice and rate, FTIR and MS measuring modes
• Determination of the specific heat of the dry substance of moist samples using modulated DSC (ADSC)
• Investigation of the thermal stability of CNx with TG-MS
  NO weight loss and decomposition of high hardness CNx
• Optimization of DSC measurement conditions
  Taguchi procedure to identify and weigh experimental parameters applied to melting of PE-LD and PA66
• Investigating the curing of amino resins with TGA-MS and TGA-FTIR
  Analysis of the condensation and decomposition products
• Reproducible evaluation of DSC measurements: glass transition followed by chemical reaction
  Correct baseline construction, demonstrated with epoxy resin post-curing DSC thermograms
• Rapid thermogravimetric analysis of coal
  Determination of moisture, volatiles, carbon and ash content based on DIN and ASTM methods
  

• Interpreting TGA curves
  Gravimetric effects caused by mass losses and gains, melting, magnetic sample properties, buoyancy, experimental condition changes
• TMA/SDTA840: Rapid cooling between measurements
  List of cool down times and conditions
• DMA/SDTA861^e
  Survey of features, benefits and specifications
• Determination of the fiber content of composite materials by thermogravimetry
  Investigations on fiberglass-reinforced polyamide PA6 and aramid fiber-reinforced synthetic resin
• Investigation of the segregation behavior of different mortar constituents with TGA/SDTA composition determinations from samples taken along a depth profile of the mortar after setting
• Determination of polymer crystallinity with DSC measurement
  Measurements on PE-HD, PA6 and PET
• DSC characterization of short chain branching distribution in polyethylene
  Stepwise Isothermal Segregation Technique (SIST) and Successive Self-Nucleation/Annealing (SSA) with DSC for the characterization of short chain butyl branching
  

• Interpreting DSC curves
  Isothermal measurements, crystallization, desorption, vaporization, drying, chemical reaction
• Effects of sample mass on TGA results
  Decomposition of the flame retardant decabromdiphenyloxide with samples of 2 to 33 mg
• Automatic liquid nitrogen refilling system
  Working around the clock with liquid nitrogen cooling
• Characterization of petroleum products with DSC
  Characterization by Tg, melting and crystallization provides also a useful as fingerprint method
• Applications of DSC to thermosetting materials
• Force- and temperature-modulated TMA measurements of fibers
  Separation of dimension changes caused by internal stress relief (e.g. shrinkage) and thermal expansion
• Measurement of pore size distribution with DSC
  Thermoporosimetry, based on melting point depression of an absorbate held in a porous material
• Measurement of low concentrations of PE-LD in PE-HD
• OIT of polyethylene with the TMA/SDTA840
  

• Interpreting DSC curves; Part 1: Dynamic measurements
  Artifacts, conditions, physical transitions, lambda transitions, chemical reactions
• The cooling performance of the DSC821^e
  Comparison of specifications of air, cryostat, IntraCooler and liquid nitrogen cooling
• The glass transition from the point of view of DSC measurements; Part 2: Information for the characterization of materials
  Partially crystalline materials, orientation, physical aging, cross-linking, molar mass, plasticizers, polymer mixtures, copolymers, chemical modifications, fillers
• Thermal values of fats: DSC analysis or dropping point determination?
• The use of MaxRes for the investigation of partially hydrated Portland cement systems
• Vitrification and devitrification phenomena in the dynamic curing of an epoxy resin with ADSC
• Expansion and shrinkage of fibers
  Investigation of wool, cotton, silk, hemp, human hair, horse hair, PAN, PA66, PET, Kevlar, Carbon, aluminum, copper, fused silica
  

• DSC purity determination
• TGA-FTIR interface
  Thermostated transfer line connecting the large TGA furnace with a Nicolet FTIR
• TG-FTIR combination for the investigation of sealing rings
  Comparison of two elastomer sealing rings from different suppliers
• Oxidative stability of petroleum oil fractions - high pressure DSC
• What can Model Free Kinetics tell us about reaction mechanisms?
• Safety investigations with Model Free Kinetics
  Comparison of nth order kinetics and MFK
• The glass transition from the point of view of DSC measurements
  Description of the effect, determination methods, enthalpy relaxation
• Determination of the expansion coefficient of an injection-molded polyphenylene sulfide machine part above and below the glass transition temperatures
• Two component phase diagram and the determination of the eutectic composition of dimethyl terephthalate and benzoic acid
• Cross-linking and degree of cure of thermosetting materials by DSC
  

• Low temperature calibration
  Calibration substances for the range between –130 to 156 °C
• Influence of the crucible on the results of thermogravimetric analysis
  Influence of geometry on degradation reaction
• 20-μl low mass platinum, sapphire and alumina crucibles
• TA Tutorial Kit with application booklet
  The kit contains 16 different test substances
• Thermal Analysis of Polyvinyl chloride (PVC)
  Investigation of thermal stability, Tg and degree of gelation
• Total Analysis with DSC, TMA and TGA-EGA ; comprehensive assessment of a printed circuit board
• DSC of butter fats and margarine
  Polymorphism, phase diagrams and liquid/solid fraction
• DSC with the TGA/SDTA851^e taking weight loss into account
  Heat flux measurements
  

• Tips on Model Free Kinetics
  Benefits, practical procedures and evaluations
  Crucibles for high temperature TGA
• Crucible lid with 50-μm hole
  For exact boiling point determination and solvent loss investigations
• Polymorphism using DSC
  Monotropic solid/solid transition of sulfapyridine, enantiotropic solid/solid transition of potassium perchlorate, allotropy of sulfur, transition of phenylbutazone, pseudo polymorphism of glucose
• Swelling measurements of thin polymer films with TMA
  Polymethacrylate films on pellets as a model system for controlled drug release enabled by water uptake, swelling and drug diffusion
• Vitrification in the isothermal curing of epoxy resin by ADSC
  Separation of curing and vitrification
• TGA measurements at reduced pressure
  Step separation of rubber mass losses becomes possible by pressure reductions to 15 mbar
• Application of DSC to the investigation of damaged plastic materials
  

• Measuring specific heat capacity
  Comparison of different methods: direct Cp, sapphire method, steady state and sinusoidal ADSC
• Platinum crucibles in thermogravimetry
  Decomposition temperature shift caused by catalytic platinum effect
• Furnace expander
  For large crucible run, frequently required in safety investigations
• IQ/OQ Installation and operational qualification
• Model Free Kinetic analysis of thermal decomposition of ammonium perchlorate
  DSC and TGA investigation
• Prospects for the use of thermogravimetry for the characterization of soil and ecosystems
• Precision measurement of the specific heat capacity with the temperature modulated DSC (TMDSC) at lower temperatures 2nd order phase transitions of KH₂(PO₄) and SrTiO₃ between 95 and 125 K
• Safety investigations on glass crucibles (100 μl)
  Suitable for safety tests due to non-catalytic surface
• Determination of curing behavior using TMA/SDTA
  Curing of an epoxy resin measured in 3-point bending
  

• Calibration adjustment, calibration and reference substances
  ADSC sample preparation and program parameters
• Collected Applications Food, Collected Applications Pharmaceuticals
• Modern Building Materials
  TGA and FTIR Gram-Schmidt diagrams of tile adhesives
• MaxRes^TM
  Event controlled adaption of the heating rate. Decomposition of CaC₂O₄×H₂O and BaCO₃/SrCO₃
• Investigation of the memory effect of polyethylenes
  Heat of fusion analysis to investigate the thermal crystallization history of insulating cable material
• Investigation of copolymers influence of antioxidants, UV stabilizers and dyes on crystallization and the oxidative decomposition of PP/PE copolymers
• Denaturation of Proteins: investigation of soya, lupin, wheat, spelt
  Thermoanalytical investigations of hydrates: pseudopolymorphism of glucose monohydrate
• Phase correction in ADSC measurements in glass transition
• ADSC in the glass transition region: The appearance of ripples
  

• Crucibles in Thermal Analysis
  Application benefits offered by Al, Al₂O₃, Cu, Au, Pt and pressure pans
• New ceramic sensor (FRS5) for the DSC82Xe
  56 thermocouples provide highest sensitivity and resolution
• New crucibles. Light 20 μl Al, Cu and Al crucibles; high pressure steel with and w/o gold plating
• The use of Thermal Analysis to estimate the shelf-life of drugs
  Long term decomposition of acetylsalicylic acid based on MFK
• TG-MS coupling
  Release of volatile solvents from a pharmaceutical compound
• Calcium sulfate measurement
  SO₂ and O₂ mass losses and solid/solid transition measured with SDTA
• Determination of the vinyl acetate content by TGA
  VAc content in EVA copolymers, containing fillers in some cases
• Physical Curing by dynamic Load TMA
  Tg and crystallization investigation of PET
  

• Optimum utilization of the internal database
  Extensive data management features (e.g. storage, search, filter)
• Determination of the eutectic composition of the system methyl-4-hydroxybenzoate/p-hydroxybenzoic acid
• Glass transition temperature of elastomers
  List of various applications as well as Tg and Cp measurements of ABS, NBR, SBR, EPDM, Butyl, IR rubber
• PEI, Glass transition by ADSC
  

• Investigation of unknown samples. Sample preparation and experimental conditions
• Application Collection Thermoplastics
• Elastomer Analysis in the TGA850
  Determination of volatiles, rubber and filler contents
• Selection of experimental parameters for the Cp determination with ADSC
  Sample geometry and weight, heating rates, periods, amplitudes
  

• Selection of the heating rate
  Influence on sensitivity, resolution and temperature accuracy
• Intra Cooler operation
• Automatic crucible opening before the measurement
• TGA850 specific heat from the SDTA curve
  Cp determination based on the sapphire crucible method
• ADSC opens up new possibilities
  Separation of thermal events and simultaneously increased resolution and sensitivity
• Model Free Kinetics
  Curing of a 2-component resin at 2, 5, 10 and 20 K/min