Resources Contact Us Home
Process for producing acrylic fiber

Image Number 4 for United States Patent #4347203.

An acrylic fiber having linen- or cotton-like feeling, dry feeling, a high hygroscopicity and a high water retentivity, which is characterized in that said fiber is covered on the outside with creases running along the fiber axis, adjacent creases being 0.1 to apart on the average; has in any of its cross-sections two or more macrovoids, or more in major diameter, which extend in the direction of fiber axis; and said fiber has 30 to 150 microcrimps per 25 mm of fiber length. A method for producing such a fiber is also disclosed.

  Recently Added Patents
Processing financial documents
Cell transport system comprising a homogeneous mixture of agarose and agarase
Oil extractor and the preparation method thereof
Digital display
Image scanner and image forming apparatus
Portable hand-held multi-function device for storing, managing and combining rewards
System and method for receiving MBMS broadcasting service
  Randomly Featured Patents
Highly purified ethyl EPA and other EPA derivatives
Power can opener
Prevention of or reduction in the formation of amines and N-nitrosamines during the manufacture and use of elastomers
Ferroelectric material, ferroelectric film and method of manufacturing the same, ferroelectric capacitor and method of manufacturing the same, ferroelectric memory, and piezoelectric device
Laser resonators employing diffractive optical elements
Vapor burner for liquid fuel
Tire sidewall
Sealing device
Soft gelatin capsules and methods for their production