Hygroscopic polyester copolymer, and a hygroscopic fiber made th

Stock material or miscellaneous articles – Composite – Of polyamidoester

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428364, 522109, 522142, 523507, 525175, 525176, 528271, 528272, B32B 2700

Patent

active

056983310

ABSTRACT:
The present specification discloses a hygroscopic polyester copolymer with a hydrophilic compound copolymerized, containing a cross-linking agent and controlled in moisture absorbing and releasing property, and a fiber using the polyester copolymer. The fiber can be used as a comfortable material for underwear, sports wear, interlinings, etc. as highly hygroscopic woven and knitted fabrics, etc. of high quality.

REFERENCES:
patent: 3779881 (1973-12-01), Sakurada et al.
patent: 4921890 (1990-05-01), Hayashi et al.

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