Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – With crimping or crinkling of strands of filaments
Patent
1992-03-30
1993-08-03
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
With crimping or crinkling of strands of filaments
264171, 264182, 2642107, 2642108, 26421115, 26421117, 264233, D01D 522, D01F 618, D01F 808
Patent
active
052326470
ABSTRACT:
An acrylic fiber tow which includes 1) monocomponent filaments of each of two acrylonitrile polymers differing in hydrophilic properties, 2) bicomponent filaments of both of said polymers having one interface between polymers components and 3) bicomponent filaments of both of said polymers having more than one interface between polymer components. This fiber, however, in spite of its composition of numerous filaments of differing structure provides a tow bundle having a desirable level of reversible crimp measured in a manner specific to the type of crimp designated.
REFERENCES:
patent: 3984515 (1976-10-01), Mommaerts et al.
patent: 4332762 (1982-06-01), Lynch
De Maria Francesco
Pfeiffer Ronald E.
Sampanis Spero
Streetman William E.
Zwick Maurice M.
American Cyanamid Company
Tentoni Leo B.
Van Riet Frank M.
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