Equipment for producing molten direct spun superfine denier polyurethane fibers by guide silk stretching of double-way silk guide roller

Abstract

The invention discloses equipment for producing molten direct spun superfine denier polyurethane fibers by guide silk stretching of a double-way silk guide roller. The equipment is characterized by comprising a purification tank, a reaction tank, a metering delivery pump, a reaction kettle heating mixer, a double-screw extruder, a melt filter, a spinning box, an assembly filter screen spinneret plate, an air flue cooling system, an oiling device, a silk guide roller guide silk stretching device and a winder winding molding device. The equipment has the advantages that: the produced superfine denier polyurethane fibers have low bending rigidity and particularly soft handfeel; the area of the fibers is big, the coverage, bulkiness and heat insulation of fabrics are obviously improved, and the fibers have extremely strong cleaning function; when the superfine fibers are prepared into ultrahigh density fabrics, because the gaps among the fibers are between the diameter of water drops and the diameter of water vapor micro-drops, the fabrics have waterproof and ventilated effects; and when the fibers are processed into the towel fabrics which can be wetted by water, the towel fabrics have high water absorption, and moisture on the washed hair can be quickly absorbed by using the towel so that the hair is quickly dried. The fibers can be applied in various fields.

Description

technical field [0001] The invention relates to a double-channel godet roller guide wire stretching melt direct spinning superfine denier spandex fiber production equipment, which belongs to the technical field of spandex fiber production. Background technique [0002] Spandex scientific name <polyutethane>Fiber is a highly elastic synthetic fiber developed in recent years, also known as: Spenders <spandex>Fiber, PTMG accounts for 80% (mass molecule) of the final polymer, known as the "second skin" of people. It is highly elastic and can be stretched 6-7 times, but it can quickly return to its original state as the tension disappears. Its molecular structure is a chain-like, soft and extensible polyurethane. Hard segments link together to enhance its properties. At present, it is widely used at home and abroad: chemical spinning, wet spinning and dry spinning. The above three spinning methods will cause environmental pollution in production, complex process, l...

AI Technical Summary

Problems solved by technology

At present, the specifications of spandex fibers on the market include ultra-fine denier series (above 5D and below 20D) and conventional series (above 20D). There are only regular series of products, so the superfine denier series of melt direct spinning has always been a gap

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