D - Textiles – Paper – 02 – G
Patent
D - Textiles, Paper
02
G
18/585
D02G 3/00 (2006.01) D01F 8/12 (2006.01) D01F 8/14 (2006.01)
Patent
CA 1314673
HIGH-TENACITY CONJUGATED FIBER AND PROCESS FOR PREPARATION THEREOF ABSTRACT OF THE DISCLOSURE A conjugated fiber having a sheath-core conjugated structure-comprising a polyester core component composed mainly of polyethylene terephthalate and a polyamide sheath component composed mainly of polyhexamethylene adipamide, is disclosed, which has excellent mechanical properties such as a high tenacity, a high modulus, and an improved dimensional stability, and an improved adhesion to a rubber, especially a high-temperature adhesion, an improved heat resistance in a rubber, and a high fatigue resistance, and thus is useful as an industrial material. By adopting a high-speed spinning procedure in the fiber preparing process, the peel resistance in the interface of the sheath-core conjugated structure is greatly improved, and the following valuable characteristics not possessed by conventional conjugated yarns can be obtained: (1) Excellent adhesion and high-temperature adhesion comparable to those of a polyamide, which cannot be obtained in a polyester. (2) High modulus and dimensional stability comparable to those of a polyester, which cannot be obtained in a polyamide. (3) A heat resistance in a rubber and a fatigue resistance superior to those of a polyester.
579481
Kubota Koichi
Saito Isoo
Sato Takuji
Yamamoto Masaharu
Mcfadden Fincham
Toray Industries Inc.
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