Abstract
The relationships between drawing condition and the properties of textured yarn and between texturing condition and the properties of textured yarn are investigated. High crimpable textured yarn can be obtained, when an original yarn is drawn at draw ratio of about 3.6, and at about 100°Cof draw temperature. For this reason, it is considered that a fiber structure is favored to be made during texturing process, rather than during drawing process. The tenacity of textured yarn does not change when drawing conditions (draw ratio and drawing temperature) change. It is desirable for the properties of textured yarn (tenacity and crimpability) that the drawn yarn is textured at 180°C and at 3% over feed. Chemical component of this fiber is polyamide, but the physical behavior of this fiber (eg. conditions of drawing, texturing, rate of crystallization etc.) is similar as that of polyester fiber.
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