近年來由於環境的變遷，輕薄保暖衣服的需求大增;本研究係應用奈米材料的塗佈來提高纖維布的蓄熱升溫功能，並探討奈米材料的類別及塗佈量多寡對纖維布蓄熱升溫能力的影響。
在本研究內所應用的奈米材料計有:使用沉澱法製作之奈米級磁性氧化鐵及氧化鎳，及外購的奈米級氧化鋁、氧化矽、氧化鈦。利用溶膠-浸塗法將上述氧化物塗佈至3種不同纖維(cotton、PET、PP)布的表面，再以25W及40W鹵素燈為熱源照射纖維布面，量測纖維布面的溫升效果，進行比較。並利用磁場測試儀測量經浸塗處理後之纖維布阻擋電磁波的效率，並以UV-VIS-NIR光譜儀觀察纖維布所吸收電磁波的波長範圍及應用SEM、XRD觀察顆粒大小和其結晶度，最後進行耐水洗測試，探討添加物/纖維布的結合程度。
研究結果顯示，奈米級磁性氧化鐵濃度(0.5Wt%以上)和PP纖維布的組合具有最佳的溫升效果，因磁性氧化鐵具鐵磁性和較窄的能隙，可以有效的吸收電磁波(能量)，再以遠紅外線的形式釋放出熱能，故有最佳的蓄熱升溫能力；且磁性氧化鐵亦可幫助纖維布吸收電磁波，達到電磁波遮蔽的效果。由於奈米級磁性氧化鐵可有效地吸附在纖維布上，纖維布經10次水洗後，尚能保有83%的蓄熱升溫能力。

Recently abnormal weather and volatile changes in the environment increase the temperature difference between day and night. This temperature difference increases the demand of functional garments having high warmth to weight ratio. The objective of this study is to investigate the effectiveness of nano particles and its solution concentration on heat regeneration ability of coated fabric.
The nano particles under investigations are ferrous-ferric oxide, nickel oxide, alumina, silica and titanium oxide. Dip coating method is applied to coat these nano particles on three different fabrics, cotton, PET and PP. Solutions containing various wt % of nano particles were utilized to seek the maximum coatability of nano particles onto each fabric. Temperature rise tests were conducted to study the endothermic capability of these fabrics. Magnetic field tester and the absorption of spectrum measured by UV-VIS-NIR were also conducted to understand the electromagnetic shielding ability of the nano particles. Finally, washing tests were carried out on the fabric having the best endothermic capability to decide its laundry performance.
Experimental results showed that PP fabric after dip coating with solution having more than 0.5wt % of ferrous-ferric oxide nano particles possesses good endothermic capability and can have large temperature rising range after heating test. This result can be attributed to the ferromagnetic properties and the narrow energy band gap of the ferrous–ferric oxide which can efficiently absorb any short wavelength light form energy and release the energy through emitting far-infrared light. The fabric coated with ferrous-ferric oxide can also effectively absorb EM waves resulting in good EM shielding effect. In addition, this nano ferrous-ferric oxide coated fabric has good laundry performance, 83% of its endothermic capability can be retained after washing 10 times.

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