Technical Information Magazine 201906-01 Deterioration of Natural Rubber, Silver Nano Ink
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** Pulse NMR (TD-NMR, Time Domain NMR) is a technique specialized for obtaining relaxation times, unlike high-resolution NMR aimed at structural analysis. One characteristic of the relaxation times obtained from NMR is their high sensitivity to the state of the sample (such as the hardness of solid materials and the molecular motion of liquid samples). This paper presents examples of evaluating rubber materials and assessing the dispersibility of ink materials, utilizing this characteristic. **Table of Contents** 1. Introduction 2. Evaluation of Natural Rubber Degradation 3. Evaluation of the Dispersibility of Silver Nano Ink 4. Conclusion
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Technical Information Magazine The TRC News "Evaluation of the Degradation of Natural Rubber and the Stability of Dispersion State of Silver Nano Ink - Introduction of Applications of Pulse NMR (TD-NMR)" [Abstract] Pulse NMR (TD-NMR, Time Domain NMR) is a method specialized in obtaining relaxation times, unlike high-resolution NMR aimed at structural analysis. One characteristic of the relaxation times obtained by NMR is their high sensitivity to the state of the sample (such as the hardness of solid materials and molecular motion in liquid samples). This time, we will introduce examples of evaluating rubber materials and assessing the dispersibility of ink materials utilizing this characteristic. [Table of Contents] 1. Introduction 2. Evaluation of Natural Rubber Degradation 3. Evaluation of Dispersion of Silver Nano Ink 4. Conclusion [Figures and Tables] Figure 1 Relationship between relaxation time and molecular mobility Figure 2 Appearance of the sample Figure 3 Measurement results of the Solid Echo method Figure 4 Measurement results of the Spin Echo method Table 1 Analysis results of the Spin Echo method Figure 5 Relationship between interactions between dispersing medium and fine particles and the T2 relaxation time of the dispersing medium Figure 6 Time-dependent changes in the dispersing medium of silver nano ink CPMG measurement results Figure 7 Two-component analysis results of time-dependent changes in the dispersing medium of silver nano ink CPMG measurement
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