![PCMs Defination
Heat of Fusion [kJ/kg]:
Amount of energy required to melt
one kg.
Duration Index [J/(cm3*oC)]:
Comparison of how long a PCM will
remain at a constant temperature
during the phase change.
Calculated as: D.I. = hf ρ / ΔT](https://image.slidesharecdn.com/pcm-140808084730-phpapp01/85/phase-changing-material-9-320.jpg)
phase changing material
- 1. By Pritam Shripat Karkare Final Year Textile Chemistry Under guidance of Prof. S.S. Chinchwade sir Phase Change Materials In Textiles By Pritam Shripat Karkare. Under guidance of Prof. S. S. Chinchwade Sir
- 3. What is PCMs?? PCM – Phase Change Materials
- 4. How PCM works in Textiles??
- 5. Principle of Phase Change Material:
- 6. Principle of Phase Change Material:
- 9. PCMs Defination Heat of Fusion [kJ/kg]: Amount of energy required to melt one kg. Duration Index [J/(cm3*oC)]: Comparison of how long a PCM will remain at a constant temperature during the phase change. Calculated as: D.I. = hf ρ / ΔT
- 11. How to Incorporate PCMs In Textiles???? Filling or impregnating Fibre Spinning Coatings during Finishing Foam dispersion
- 12. PCM & Clothing Comfort
- 13. Testing of PCMs Incorporated Textiles
- 14. Testing of PCMs under Microscope Scanning electron micrograph of typical MPCM in water carrier fluid
- 15. Properties of PCM Incorporated textiles
- 16. Desirable Qualities Chemical stable Non corrosive and non toxic Long lasting Commercial availability Low cost Reliability
- 17. Other Considerations Toxicity: n-Undecane, TEA-16, n-Dodecane are all hazardous materials. Compatibility: Above all the chemicals are corrossive in naure. Cost: n-Undecane - $ 250/ltr TEA-16 - $ 8/Kg n-Dodecane - $ 116/ltr
- 18. Applications Space Sports Wear Bedding & Accessories Medical Applications Shoes & Accessories Casuals Home Textiles Others
- 19. Contd…
- 20. Contd…
- 21. Contd….
- 22. Market For PCMs
- 24. Limitations Costly Coating reduces the air permeability and moisture transmission etc. Only perform for short intervals Does not absorb all the heat Reduces the dimensional stability
- 25. Conlusions
- 26. References