阅读说明：本技术 一种高韧性人棉纱的制备方法 (Preparation method of high-toughness rayon yarn ) 是由 曹厚朴 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种高韧性人棉纱的制备方法,其特征在于,包括以下步骤：(一)、将各种废弃棉织品清洗干净后剪碎,浸泡在杀菌液中,浸泡1-1.5h；(二)、将碎棉织品平铺后,用刷子在表面均匀涂抹乳液,快速阴干,重复多次；(三)、将阴干的碎棉织品放入加热房中,加热1-1.5h,每5分钟在碎棉织品上喷砂喷洒液；(四)、取出加热后的碎棉织品,放入冷冻室,快速冷冻；(五)、取出敲碎后,再次涂抹乳液；(六)、重复步骤(三)-步骤(五),重复2-4次；(七)、将冷冻后的碎棉织品解冻,升温,进行梳棉；(八)、梳棉后的与涤纶纤维混合均匀后,进行精梳；(九)、将精梳后的混合纤维浸泡在抗菌液中,浸泡3-5h；(十)、取出阴干后,再次粉碎。(The invention discloses a preparation method of high-toughness rayon yarn, which is characterized by comprising the following steps: cleaning various waste cotton fabrics, cutting into pieces, soaking in a sterilization solution for 1-1.5 h; spreading the broken cotton fabric, uniformly coating the emulsion on the surface by using a brush, quickly drying in the shade, and repeating the steps for multiple times; thirdly, putting the cotton fabric pieces dried in the shade into a heating room, heating for 1-1.5h, and spraying sand and liquid on the cotton fabric pieces every 5 minutes; taking out the heated broken cotton fabric, putting the broken cotton fabric into a freezing chamber, and quickly freezing; fifthly, taking out and smashing the mixture, and then smearing the emulsion again; (VI), repeating the step (III) -the step (V) for 2-4 times; unfreezing the frozen broken cotton fabric, heating, and carding; (eighthly), combing after uniformly mixing the cotton fibers and the polyester fibers; soaking combed mixed fibers in an antibacterial solution for 3-5 hours; and (tenth) taking out, drying in the shade and then crushing again.)

1. The preparation method of the high-toughness rayon yarn is characterized by comprising the following steps of: cleaning various waste cotton fabrics, cutting into pieces, soaking in a sterilization solution for 1-1.5 h; spreading the broken cotton fabric, uniformly coating the emulsion on the surface by using a brush, quickly drying in the shade, and repeating the steps for multiple times; thirdly, putting the cotton fabric pieces dried in the shade into a heating room, heating for 1-1.5h, and spraying sand and liquid on the cotton fabric pieces every 5 minutes; taking out the heated broken cotton fabric, putting the broken cotton fabric into a freezing chamber, and quickly freezing; fifthly, taking out and smashing the mixture, and then smearing the emulsion again; (VI), repeating the step (III) -the step (V) for 2-4 times; unfreezing the frozen broken cotton fabric, heating, and carding; (eighthly), combing after uniformly mixing the cotton fibers and the polyester fibers; soaking combed mixed fibers in an antibacterial solution for 3-5 hours; (ten), taking out, drying in the shade, and then crushing again; step eleven, preparing the crushed fibers into a mixed fiber cotton sliver through cotton carding and combing; and (twelfth), the bamboo charcoal fiber and the mixed fiber cotton sliver are processed by textile technologies such as drawing, roving and spinning, and the cotton yarn preparation can be completed.

2. The method for preparing high-toughness rayon yarn according to claim 1, wherein the sterilization liquid in step (one) comprises the following components in parts by weight: 20-25 parts of towel gourd peel, 12-15 parts of fructus cnidii, 3-5 parts of pepper, 10-15 parts of plantain herb, 20-30 parts of bighead atractylodes rhizome, 10-15 parts of poria cocos and 5-8 parts of radix sophorae flavescentis, and the raw materials are mixed, added into water, mixed and heated to 90-95 ℃, and kept warm for 10-15min to obtain the traditional Chinese medicine.

3. The method for preparing the high-toughness rayon yarn according to claim 1, wherein the emulsion in the step (two) comprises the following components in parts by weight: 15-18 parts of avocado oil, 13-15 parts of cetyl alcohol, 12-15 parts of tetrabutyl titanate, 5-10 parts of rosin glyceride, 25-35 parts of liquid paraffin, 1-2 parts of chlorinated ethylene monomer, 5-10 parts of resin and 300 parts of water-doped wax, wherein the avocado oil, the cetyl alcohol, the tetrabutyl titanate, the rosin glyceride and the liquid paraffin are uniformly mixed and then heated up, the heating rate is 1-2 ℃/min, the heating temperature is 85-95 ℃, and the heat preservation and stirring are continuously carried out for 3-4 hours; adding vinyl chloride monomer, and stirring for 20-30 min; mixing the resin with water; the two mixed liquids are mixed and stirred at high speed, the stirring speed is 1300-1500r/min, and the mixture is stirred for 1-1.5h, thus obtaining the product.

4. The method for preparing high-toughness rayon yarn according to claim 1, wherein in step (three), the heating temperature is 30-50 ℃ and the heating rate is 0.5-1 ℃/min.

5. The preparation method of the high-toughness rayon yarn as claimed in claim 1, wherein the spraying liquid in step (three) comprises the following components in parts by weight: 25-30 parts of bamboo fiber, 1-6 parts of methyl vinyl silicone rubber, 5-10 parts of octamethylcyclotetrasilazane, 40-60 parts of epoxy resin and 180 parts of water 120-one; mixing bamboo fiber and methyl vinyl silicone rubber, stirring for multiple times, adding octamethylcyclotetrasilazane and water, mixing again, heating to 70-85 ℃, keeping the temperature for 30-40min, then adding epoxy resin, mixing again, and refining to obtain the final product.

6. The method for preparing high-tenacity rayon yarn according to claim 1, wherein the freezing temperature in step (IV) is-5 ℃ to-2 ℃ and the freezing time is 0.5 to 1 hour.

7. The method for preparing high-toughness rayon yarn according to claim 1, wherein the antibacterial liquid in step (nine) comprises the following components in parts by weight: 0.2-0.5 part of ethyl silicone oil, 16-40 parts of modified chitosan, 20-50 parts of artemisia oil and 10-35 parts of tea extract.

Technical Field

The invention relates to the field of spinning, in particular to a preparation method of high-toughness rayon yarn.

Background

The living standard of people is improved, the clothes are more and more needed, and all the waste clothes are more and more; most of the waste clothes are recyclable resources, but the operation method for recycling the waste cotton fabrics into the regenerated fibers is complex and inconvenient to operate.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide a preparation method of high-toughness rayon yarn, which is recycled and saves resources.

In order to achieve the above object, the present invention adopts the following technical solutions:

the preparation method of the high-toughness rayon yarn is characterized by comprising the following steps of: cleaning various waste cotton fabrics, cutting into pieces, soaking in a sterilization solution for 1-1.5 h; spreading the broken cotton fabric, uniformly coating the emulsion on the surface by using a brush, quickly drying in the shade, and repeating the steps for multiple times; thirdly, putting the cotton fabric pieces dried in the shade into a heating room, heating for 1-1.5h, and spraying sand and liquid on the cotton fabric pieces every 5 minutes; taking out the heated broken cotton fabric, putting the broken cotton fabric into a freezing chamber, and quickly freezing; fifthly, taking out and smashing the mixture, and then smearing the emulsion again; (VI), repeating the step (III) -the step (V) for 2-4 times; unfreezing the frozen broken cotton fabric, heating, and carding; (eighthly), combing after uniformly mixing the cotton fibers and the polyester fibers; soaking combed mixed fibers in an antibacterial solution for 3-5 hours; (ten), taking out, drying in the shade, and then crushing again; step eleven, preparing the crushed fibers into a mixed fiber cotton sliver through cotton carding and combing; and (twelfth), the bamboo charcoal fiber and the mixed fiber cotton sliver are processed by textile technologies such as drawing, roving and spinning, and the cotton yarn preparation can be completed.

Preferably, the sterilization liquid in the step (one) comprises the following components in parts by weight: 20-25 parts of towel gourd peel, 12-15 parts of fructus cnidii, 3-5 parts of pepper, 10-15 parts of plantain herb, 20-30 parts of bighead atractylodes rhizome, 10-15 parts of poria cocos and 5-8 parts of radix sophorae flavescentis, and the raw materials are mixed and added into water, mixed and heated to 90-95 ℃, and kept warm for 10-15min, so that the sterilizing liquid can be obtained, and can effectively kill bacteria on waste cotton fabrics and prevent the infection of the bacteria.

Still preferably, the emulsion in the step (two) comprises the following components in parts by weight: 15-18 parts of avocado oil, 13-15 parts of cetyl alcohol, 12-15 parts of tetrabutyl titanate, 5-10 parts of rosin glyceride, 25-35 parts of liquid paraffin, 1-2 parts of chlorinated ethylene monomer, 5-10 parts of resin and 300 parts of water-doped wax, wherein the avocado oil, the cetyl alcohol, the tetrabutyl titanate, the rosin glyceride and the liquid paraffin are uniformly mixed and then heated up, the heating rate is 1-2 ℃/min, the heating temperature is 85-95 ℃, and the heat preservation and stirring are continuously carried out for 3-4 hours; adding vinyl chloride monomer, and stirring for 20-30 min; mixing the resin with water; the two mixed liquids are mixed and stirred at high speed, the stirring speed is 1300-1500r/min, and the stirring time is 1-1.5h, so that the waste cotton fabric is softened and decomposed, the fibers are rapidly extracted, and the production efficiency is improved.

More preferably, in the step (III), the heating temperature is 30-50 ℃, and the heating rate is 0.5-1 ℃/min.

Further preferably, the spraying liquid in the step (three) comprises the following components in parts by weight: 25-30 parts of bamboo fiber, 1-6 parts of methyl vinyl silicone rubber, 5-10 parts of octamethylcyclotetrasilazane, 40-60 parts of epoxy resin and 180 parts of water 120-one; mixing bamboo fiber and methyl vinyl silicone rubber, stirring for multiple times, adding octamethylcyclotetrasilazane and water, mixing again, heating to 70-85 ℃, keeping the temperature for 30-40min, then adding epoxy resin, mixing again, and refining to obtain the final product.

Specifically, in the step (IV), the freezing temperature is minus 5 ℃ to minus 2 ℃, and the freezing is carried out for 0.5 to 1 hour, so that the original fiber is broken, and preparation is made for subsequent regenerated fiber.

Still preferably, the antibacterial liquid in the step (nine) comprises the following components in parts by weight: 0.2-0.5 part of ethyl silicone oil, 16-40 parts of modified chitosan, 20-50 parts of artemisia oil, 10-35 parts of tea extract and protective regenerated fibers.

The invention has the advantages that: the invention has convenient operation, recycles the waste cotton fabrics, effectively protects the environment and saves the resources; the waste cotton fabrics are sterilized by the sterilizing liquid, so that the propagation of original bacteria is prevented; the tenacity of the raw cotton fabric is effectively improved by breaking the recombinant fibers, and the regenerated fibers have high tenacity.

Detailed Description

The following specific examples are intended to illustrate the invention.