Process of making sheath/core composite products

Details Process of making sheath/core composite products Process of making sheath/core composite products

1993-12-13

1995-02-07

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

264171, 26421114, 26421115, 427301, 427339, 427400, B05D 310, B05D 702, D01F 802

Patent

active

053873831

ABSTRACT:
Rayon
ylon and other sheath/core composite fibers or other materials, with good adhesion between sheath and core resulting from an adhesion promoter. The adhesion promoter is difunctional and sterically hindered. Fumaric acid and terephthalic acid are preferred adhesion promoters for the composite fibers or other materials, because each compound has both difunctionality and steric hinderance, allowing either to form covalent bonds to both the sheath and the core. Fibers produced in accordance with this invention may be used to produce fabrics which have the strength and wrinkle resistance shown by a number of synthetic fibers, but with the water absorption characteristics of natural fibers such as cotton.

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patent: 5009954 (1991-04-01), Collier et al.
Southern et al., "Improved Sheath/Core Adhesion in Biconstituent Fibers via Interface Mixing," Textile Res. J., vol. 50, pp. 411-416 (1980).
Collier et al., "Adhesion Promotion in Rayon/Nylon Skin/Core Bigeneric Fibers," Clothing & Textile Res. J., vol. 11, pp. 18-25 (1993).
Tao, "Interfacial Adhesion in Rayon/Nylon Sheath/Core Composite Fibers," PhD Dissertation, Louisiana State University (1991).

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