By introducing the ultrafine tourmaline powder as a kind of filling agent into polyurethane resin, we produced the anion leather that can emit air anions continuously while being used.

• 本工作选用奇冰石超细粉末作为无机填料添加到聚氨酯树脂中制成负离子合成革,讨论了粉末最佳混入比例,并与普通合成革进行了比较。