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Production technology of viscose extinction monofilament

A production process and matting technology, which is applied to the preparation of artificial filaments made of viscose, spinneret assemblies, and spinning solutions, etc. It can solve the problems of hard filaments, difficult processing, and low strength of the product, and achieve Good solidification and molding, long molding time, and soft hand feeling

Inactive Publication Date: 2015-02-11
YIBIN HIEST FIBER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. Conventional production technology will cause the product filaments to be too hard and rough to the touch, resulting in difficulties in dyeing, weaving and other subsequent processes, and seriously affecting the wearability of the fabric
[0007] 2. Viscose monofilament has low fineness and low strength, so it cannot be dyed and weaved in the next process, and cannot meet market demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A production process for viscose matte monofilaments, using cellulose fiber pulp as raw material, preparing viscose matte monofilaments through spinning solution preparation-pre-spinning injection-spinning-post treatment, specifically including the following process steps:

[0044] A spinning solution preparation

[0045] Cellulose fiber pulp is soaked, aged, yellowed, dissolved, defoamed and filtered to obtain spinning solution;

[0046] B Pre-spinning injection

[0047] Before spinning, add titanium dioxide solution to the spinning solution, so that the weight ratio of titanium dioxide and methyl fiber content in the spinning solution reaches 2.5:100, mix evenly and send to spinning;

[0048] The titanium dioxide solution is prepared by uniformly dispersing titanium dioxide in water at a concentration of 15%;

[0049] C spinning

[0050] The spinning solution is sent into the spinning machine by the glue supply pipeline, and is sent quantitatively by the metering p...

Embodiment 2

[0059] Basically the same as embodiment 1, on this basis:

[0060] Before spinning, add titanium dioxide solution to the spinning solution, so that the weight ratio of titanium dioxide and methyl fiber content in the spinning solution reaches 0.5:100;

[0061] The titanium dioxide solution is prepared by uniformly dispersing titanium dioxide in water at a concentration of 5%;

[0062] The nozzles described are stretched +80%.

[0063] The shape of the inlet channel of the spinneret hole is parabolic, and the spinneret hole is circular, and the ratio of the length of the inlet channel to the diameter of the spinneret hole is: 1.5:1.

[0064] The spinning speed of the spinning machine is 80m / min.

[0065] The composition of the coagulation bath is: sulfuric acid 140g / l, sodium sulfate 250g / l, zinc sulfate 30g / l; the temperature is 55°C.

[0066] The cellulose pulp is wood pulp.

[0067] The fineness of the obtained viscose matte monofilament is 50D, the strength reaches 80CN...

Embodiment 3

[0069] Basically the same as embodiment 1, on this basis:

[0070] Before spinning, add titanium dioxide solution to the spinning solution, so that the weight ratio of titanium dioxide and methyl fiber content in the spinning solution reaches 5.0:100, mix evenly and send to spinning;

[0071] The titanium dioxide solution is prepared by uniformly dispersing titanium dioxide in water at a concentration of 20%;

[0072] The nozzles described are stretched +70%.

[0073] The shape of the inlet channel of the spinneret hole is parabolic, and the spinneret hole is circular, and the ratio of the length of the inlet channel to the diameter of the spinneret hole is: 1.2:1.

[0074] The spinning speed of the spinning machine is 50m / min.

[0075] The composition of the coagulation bath is: sulfuric acid 120g / l, sodium sulfate 210g / l, zinc sulfate 25g / l; the temperature is 46°C.

[0076] The cellulose pulp is bamboo pulp.

[0077] The fineness of the obtained viscose matte monofilame...

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Abstract

The invention relates to a production technology of viscose extinction monofilament. The production technology takes cellulosic fiber pulp as a raw material and obtains viscose extinction monofilament through preparation of a spinning solution, injection before spinning, spinning and aftertreatment, and specifically comprises the following steps of: (A) preparing the spinning solution from the cellulosic fiber pulp through steeping, ageing, yellowing, dissolving, defoaming and filtering; (B) adding a titanium dioxide solution into the spinning solution so that the weight ratio of titanium dioxide to alpha cellulose content in the spinning solution reaches (0.5-5.0):100; and uniformly mixing and feeding for spinning; (C) feeding the spinning solution into a spinning machine, and enabling the spinning solution to pass through a spinneret orifice of a single-hole spray head under pressure, and solidifying and molding the formed viscose trickle to form raw silk strips, wherein the spray head is stretched by +60% to +80%, and an inlet channel of the spinneret orifice is in a parabola shape; and (D) performing aftertreatment: performing desulfurization, bleaching, oiling and drying on the raw silk strips to obtain the viscose flat monofilament. According to the production technology provided by the invention, the filament number of the prepared viscose monofilament is 50-6,000D, the strength is high over 75CN, and the requirements on dyeing, weaving and finished product taking are met; and moreover, the viscose extinction monofilament has gentle color and an extinction effect.

Description

technical field [0001] The invention relates to the technical field of viscose in the textile industry, in particular to a production process of viscose matte monofilament. Background technique [0002] Monofilament refers to a single filament produced by a single-hole spinneret in chemical fiber production, and its fineness is in the range of 50D~6000D. Monofilament is widely used in weaving, handmade accessories, home textiles and industrial supplies. The textile quality made of monofilament is thin, transparent and feels good. [0003] With the improvement of people's living standards, higher requirements have been put forward for the development of fabrics with unique styles. Monofilament was only used in industry and home textile fields in the past. Due to the lower strength of monofilament than multifilament of the same denier, there are greater difficulties in weaving technology and processing technology in the field of weaving, which limits the development of mono...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F2/08D01F11/02D01D4/06D01D1/02D01D5/06D06L3/02D06L4/13
Inventor 邓传东李蓉玲范贤珍陈明付刘键
Owner YIBIN HIEST FIBER
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