The technical information magazine The TRC News provides the latest information on analytical techniques that are useful for research and development, solving production troubles, and quality control.
**Abstract** At the Toray Research Center, we are focusing on the development of high-speed calorimetry technology that enables rapid heating and cooling. In collaboration with the developers of this method, we have continued to submit numerous papers and present at conferences, primarily focusing on polymer materials. This paper introduces a technique for real-time observation of the increase in glass transition temperature during the curing process of thermosetting resins. **Table of Contents** 1. Introduction 2. Application to Thermosetting Resins 3. Conclusion
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Technical Information Magazine The TRC News "Tracking the Change in Glass Transition Temperature Accompanying the Curing of Epoxy Resin - A Case Study Utilizing High-Speed Calorimetry" 【Abstract】 At the Toray Research Center, we are focusing on the development of high-speed calorimetry technology that allows for rapid temperature changes, and we have continued to submit numerous papers and present at conferences in collaboration with the developers of this method, primarily focusing on polymer materials. This article introduces a technique for real-time observation of the increase in glass transition temperature during the curing process of thermosetting resins. 【Table of Contents】 1. Introduction 2. Application to Thermosetting Resins 3. Conclusion 【Figures and Tables】 Figure 1: Appearance of a commercially available high-speed calorimetry device Figure 2: FSC curve of the heating process during repeated temperature cycling Figure 3: FSC measurement profile assuming investigation of curing behavior at 130°C Figure 4: FSC curve of the heating process during the hold at 130°C Figure 5: Hold time at temperature and glass transition temperature Figure 6: FSC measurement profile assuming investigation of changes in glass transition temperature during constant rate heating Figure 7: Sample temperature and glass transition temperature during heating at 2°C/min Figure 8: Thermal processing process and glass transition temperature (schematic)
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At Toray Research Center, Inc., we provide technical support through analytical techniques and physical property analysis to address various challenges in research and development as well as production fields via contract analysis. Based on our long-standing achievements and extensive experience in analysis and physical property evaluation, we continue to strive to meet the advanced and diverse needs of our customers.
