The chemical layer that I have mentioned above is formed by compounding polyester, nylon, or cellulose fabric with polybasic acid derivative so that it could efficiently absorb water and smell.

• 所述的化合层之化合物为利用聚酯、尼龙或纤维素织物与多元酸衍生物化合处理,以化合成具有吸水、吸味功效之化合层。