44504 ​​ʻAi ʻAi ʻAi Māmā

ʻO 44504 ​​ka nui o nā derivatives polyester polyether.

ʻO ka polyester polyether block copolymer i hoʻololi ʻia he hydrophilic.Loaʻa iā ia ka pilina no ka polyester, hiki iā ia ke hāʻawi i ka hopena hydrophilic holoi holoi polyester.

ʻO nā lole i hana ʻia he hygroscopicity maikaʻi loa, permeability o ka ea, hiki ke hoʻopaʻa ʻia a me ka hoʻoheheʻe ʻana i ka wai, hiki ke hoʻohuli koke i ka hou a me ka makū mai ka ʻili o ka ʻili a hoʻopau i nā hemahema o nā lole polyester, e like me ka impermeability a ʻaʻohe hoʻoheheʻe wai, etc.