1. chap7 Thermal, Optical and electrical properties of fiber 7.1 Thermal properties of fiber 7.2 Optical properties of fiber 7.3 Electrical properties of fiber

2. chap7 Thermal, Optical and electrical properties of fiber Picture 7-1 relation between fiber specific heat, fiber moisture regain and temperature

3. chap7 Thermal, Optical and electrical properties of fiber Picture 7-2 DSC graphics of differently orientated polyethylene fibers dH/dt (J.s -1 ) 127 0 135 0 H=175J/g H=202J/g 80100120140160 T/ ℃

4. chap7 Thermal, Optical and electrical properties of fiber Picture 7-3 changing regular pattern of specific heat of two kinds of polyester with temperature 淬火 PET 退火 PET

5. chap7 Thermal, Optical and electrical properties of fiber Picture 7-4 heat transmission diagram Q d T1T1 T 2 (T 2  T 1 ) S λ

6. chap7 Thermal, Optical and electrical properties of fiber Picture 7-5 relation between fiber layer volume weight and heat conductivity

7. chap7 Thermal, Optical and electrical properties of fiber Picture 7-6 relation between direction α f of fiber arrangement and heat conductivity αfαf 热辐射 方向 纤维层方向 导热系 数

8. chap7 Thermal, Optical and electrical properties of fiber Picture 7-7 mechanical properties of non-crystalline materials 玻璃态 高弹态 粘流态 交联型分子 Tg(℃)Tg(℃) Tf(℃)Tf(℃) (a) Tg(℃)Tg(℃) Tf(℃)Tf(℃) 交联型 分子 高弹态 粘流态粘流态 玻璃化 转变区 粘弹 转变区 (b)

9. chap7 Thermal, Optical and electrical properties of fiber Picture 7-8 maintenance ratio of mechanical properties of POB fiber

10. chap7 Thermal, Optical and electrical properties of fiber Picture 7-9 thermogravimetry curve of high- intensity high-modulus polyethylene

11. chap7 Thermal, Optical and electrical properties of fiber Picture 7-10 thermal shrinkage of synthetic fibers

12. chap7 Thermal, Optical and electrical properties of fiber Picture 7-11 effects of layered reflection and refraction on luster 入射 主反射次反射 次透射主透射 介质 1 ( 空气或液体 ) 介质 1 ( 空气或液体 ) 介质 2 ( 纤维 ) 22 22 11 11 (a) 层状结构 i r t t2t2 t3t3 tr tr 2 trt t2rt2r tr (c) 纤维集合体 入射 反射 1 反射 3 折射 2 折射 1 折射 3 反射 2 (b) 纤维

13. chap7 Thermal, Optical and electrical properties of fiber Picture 7-12 layered reflection and refraction diagram 入射 反射 1 2 3 4 空气 层1层1 层2层2 层3层3 层…层…

14. chap7 Thermal, Optical and electrical properties of fiber Picture 7-13 decomposition and birefringence of plane polarized light 光入射 平面偏振光 纤维 E⊥E⊥ E θ 纤维轴 δ E e光V∥e光V∥ o光V⊥o光V⊥ 滞后 δ 椭圆偏振 E∥E∥

15. chap7 Thermal, Optical and electrical properties of fiber Picture 7-14 maintenance ratio of mechanical properties of POB after illumination

16. chap7 Thermal, Optical and electrical properties of fiber Picture 7-15 relation between mass specific resistance and R.H.

17. chap7 Thermal, Optical and electrical properties of fiber Picture 7-16 relation between mass specific resistance and temperature

18. chap7 Thermal, Optical and electrical properties of fiber Picture 7-17 relation between dielectric constant and moisture content

19. chap7 Thermal, Optical and electrical properties of fiber Picture 7-18 effects of frequency on dielectric constant of fiber

20. chap7 Thermal, Optical and electrical properties of fiber Picture 7-19 static charge generating sequence ε r 大 ε r 小 高 (+) ( － ) 低 聚氨酯 聚 酰 胺 66 羊毛羊毛 蚕丝蚕丝 粘胶纤维粘胶纤维 皮肤皮肤 棉纤维棉纤维 醋酯纤维醋酯纤维 聚甲基丙烯酸甲酯聚甲基丙烯酸甲酯 聚乙烯醇缩甲醛聚乙烯醇缩甲醛 聚对苯二甲酸乙二酯聚对苯二甲酸乙二酯 聚丙烯腈聚丙烯腈 聚氯乙烯聚氯乙烯 聚碳酸酯聚碳酸酯 聚氯醚聚氯醚 聚偏三氯乙烯聚偏三氯乙烯 聚苯醚聚苯醚 聚苯乙烯聚苯乙烯 聚乙烯聚乙烯 聚丙烯聚丙烯 聚四氟乙烯