1. Electrets
2. Scope of paper
3. Objectives
4. Mechanical A
5. Mechanical B
6. Mechanical C
7. Electret A
8. Electret B
9. Electret C
10. Electret D
11. Composite A
12. Composite B
13. Composite C
14. Exp method A
15. Exp method B
16. Exp results A
17. Exp results B
18. Exp results C
19. Exp results D
20. Exp results E
21. Exp results F
22. Conclusions A
23. Conclusions B
24. Conclusions C
25. Applications
26. Future work