Hydrophilic polyester fiber and hydrophilic nonwoven fabric using the same and their production
Patent #: 6,720,070
Inventor(s): Tadaaki Hamaguchi, Hiroshi Maruyama, Shigeki Tanaka and Hisao Nishinaka
Company: Toyo Boseki Kabushiki
A patent has been issued for a hydrophilic polyester fiber comprising a polyester fiber and a coating on the fiber. The coating is made of a polyester-polyether block copolymer comprising a polyester component and a polyether component. There is also an ion complex comprised of an anionic surfactant, a cationic surfactant and at least one of a nonionic surfactant and an amphoteric surfactant.
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