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Title: Hydrophilic bi-component threads

Abstract: The invention relates to a bi-component filament or fibre of a fibre-forming synthetic polymer having a core/sheath structure in at least one component and having a moisture absorption of at least 1.5% at 65% relative atmospheric humidity and at a temperature of 21.degree. C. and a moisture absorption of at least 5% at 90% relative atmospheric humidity and 21.degree. C. and a water-retention-power of at least 10% as well as to a process for the production thereof.


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Inventors: Reinehr, Ulrich (Dormagen, DE, US)
Pieper, Christian (Neuss, DE, US)
Kleinschmidt, Peter (Dormagen, DE, US)

Application Number: 804229
Filing Date: 1977-06-07
Publication_date: 1979-07-31
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Primary Class(es): 428/373 264/178F, 264/182, 428/913
Other Classes:
US Patent Ref:
3470060Sep, 1969Szitz et al.428/373.
3473998Oct, 1969Spiesterbach et al.428/373.
3515627Jun, 1970Sekiguchi et al.428/373.
3616183Oct, 1971Bradford et al.428/373.
3624195Nov, 1971Nakayama et al.428/373.
3644609Feb, 1972Nakagawa et al.428/373.
3671619Jun, 1972Fitzgerald et al.428/373.
3679541Jul, 1972Dorris et al.428/373.
3846226Nov, 1974Smithey428/373.
3984515Oct, 1976Mommaerts et al.428/369.
3984601Oct, 1976Blickenstaff428/373.
4059949Nov, 1977Lee428/373.
4075378Feb, 1978Anton et al.428/373.

Other Refs:
Primary Examiner: Cannon, J. C.
Assistant Examiner:
Attorney: Plumley and Tyner