Cotton-like polyester nylon composite superfine fiber and production method

Abstract

The invention discloses an imitation cotton polyester and polyamide composite superfine fiber. The imitation cotton polyester and polyamide composite superfine fiber comprises a superfine imitation cotton polyester fiber and a modified polyamide fiber, wherein the superfine imitation cotton polyester fiber is core yarn, and the outer side of the superfine imitation cotton polyester fiber is coated with the modified polyamide fiber; the superfine imitation cotton polyester fiber is composed of a polyester fiber and a modifier, and the modified polyamide fiber is obtained by adding graphene nano-powder materials to polyamide fiber under active catalyzing of cerium oxide nano-powder materials. According to the obtained imitation cotton polyester and polyamide composite superfine fiber, by means of experimental tests, when the normal temperature wavelength is within 2-16, the infrared emission rate reaches 90 percent or above, and the strength reaches 7.5 cN / dtex-8.0 cN / dtex. Graphene is added to the modified polyamide fiber, the softness and tensile property of the polyamide fiber are improved, synchronous drawing with the imitation cotton polyester is achieved, and the outer side of the superfine imitation cotton polyester is coated with the modified polyamide fiber to form the composite fiber.

Description

technical field [0001] The invention relates to a fiber production technology, in particular to a cotton-like polyester-nylon composite superfine fiber and a production method. Background technique [0002] Cotton fiber has excellent hygroscopicity, softness, and warmth retention, and its fabric has excellent wearability, but there are problems in moisture permeability, dehumidification, waterproof, antifouling, and mildew resistance. [0003] Polyester fibers have a crisp appearance and good thermal stability, but their hygroscopicity is slightly poor. They are mainly used to make various clothing items, bedding items, and interior decoration items. [0004] Cotton-like polyester has both the excellent characteristics of cotton and polyester mentioned above. Generally speaking, it has the following characteristics: it looks like cotton (visual), feels like cotton (tactile), wears like cotton (affinity, comfort), It is more convenient to use than cotton (washable and wearab...

AI Technical Summary

Problems solved by technology

For example, in the molecular structure of polyester, hydrophilic groups such as ether bonds, hydroxyl groups, and sulfonic acid groups are introduced, and graft copolymerization is carried out on macromolecules, thereby enhancing the hygroscopicity of polyester. Modified polyester through graft copolymerization , the moisture absorption rate can reach 4%~13.4%, but it has not been industrialized due to high cost

[0006] Although the research on cotton-like polyester is becoming more and more mature, it is rarely involved in cotton-like polyester and nylon, and even its production process is simply twisted cotton-like polyester fibers and nylon fibers. Due to the different fiber properties, it brings certain difficulties to post-processing, such as the problem of uniform dyeing. The addition of materials will change the drawing performance of these fiber materials and bring certain difficulties to the realization of coating