Differential Scanning Calorimetry (DSC)
What is DSC?
Differential Scanning Calorimetry (DSC) is a thermal analysis technique that measures heat flow in materials as a function of temperature. It tracks thermal changes to test materials in R&D, production, and failure analysis.
Principle of work:
It provides critical data on:
- The process in which an amorphous material changes from a hard, brittle state to a soft, rubbery state upon heating, without a sharp phase transition like Melting & Crystallization (Tm/Tc) called glass transition (Tg)
- Cure Kinetics e.g., activation energy and rate constants & Reaction Enthalpy which is the total heat released or absorbed during curing
- Oxidative Stability by measuring heat flow during oxidation reactions and determines decomposition behavior by tracking endothermic or exothermic events as a function of temperature. Why DSC Matters in Industry & Research
Applications
- Polymers – Optimizing Tg for barrier strength in packaging, optimal heat resistance in automotive, and sterilization stability for medical devices.
- Paints and Resins Industry_ optimizing curing temperatures, analyzing polymer stability, and ensuring consistent thermal performance in coatings and adhesives.
- Food Industry_ studying fat crystallization, protein denaturation, and shelf-life stability, ensuring quality and safety in processed foods.
- Metallurgy Industry_ analyzing phase transitions, alloy behavior, and heat treatment effects, ensuring material integrity and performance in high-temperature applications
- Pharmaceuticals – y measuring thermal behavior to assess drug purity, detect polymorphic forms, and evaluate stability under temperature variations.
- Nanomaterials – by detecting phase transitions in composites and coatings, revealing thermal stability and structural changes under controlled heating.
- Quality Control – batch-to-batch consistency in production by comparing thermal profiles (melting, crystallization, TG) of materials and coatings, detecting deviations that indicate quality flaws.
Features | DSC 301 LT/A | DSC 301 LT/S | DSC 301 HT |
Temperature range | RT to 400°C | -170 to 600°C | RT to 1450°C |
Heating Rate | 0.1 to 100 °C | 0.1 to 100 °C | 0.1 to 50 °C |
Measuring Range | ± 200 mW | ± 200 mW | ± 200 mW |
Resolution | 1 μm | 1 μm | 1 μm |
Enthalpy precision | ±0.2% for Indium | ±0.2% for Indium | ±0.2% for Indium |
Gas atmospheres | insert, oxidizing, static and dynamic | insert, oxidizing, static and dynamic | insert, oxidizing, static and dynamic |
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