阅读说明：本技术 一种混纺再生棉纱布料及其制作方法 (Blended regenerated cotton yarn cloth and manufacturing method thereof ) 是由 李孝同 郝成生 于 2019-09-27 设计创作，主要内容包括：本发明涉及再生布料,公开了一种混纺再生棉纱布料及其制备方法,其布料包括通过热熔型抗菌胶粘剂粘接相连的混纺棉纱层与竹碳纤维层,所述的竹碳纤维层的表层均匀涂覆树脂和吸湿剂粉末；其制作方法包括制备混纺棉纱布料、制备竹碳纤维布料、制备热熔型抗菌胶粘剂、复合粘贴、涂覆粉末等步骤。本发明对废旧棉织品再生纤维进行表面处理,提高了纤维的强度、韧性、抗晒性、吸湿性和耐光性,配合热熔型抗菌胶粘剂与竹碳纤维层复合制成的布料具有高韧性、抑菌防霉、可纺性好、抱合力高、吸湿性强的优点,提升了混纺再生棉纱布料的质量并扩宽了其使用范围,值得大面积推广。(The invention relates to regenerated cloth, disclose a blending regenerated cotton yarn cloth and its preparation method, its cloth includes blending cotton yarn layer and bamboo carbon fiber layer that bonds and links through the antibacterial adhesive of hot melt type, the surface layer of the said bamboo carbon fiber layer coats resin and hygroscopic agent powder evenly; the manufacturing method comprises the steps of preparing blended cotton yarn cloth, preparing bamboo carbon fiber cloth, preparing hot-melt antibacterial adhesive, compositely sticking, coating powder and the like. The invention carries out surface treatment on the regenerated fiber of the waste cotton fabrics, improves the strength, toughness, sun resistance, hygroscopicity and light resistance of the fiber, and the fabric prepared by compounding the hot-melt antibacterial adhesive and the bamboo carbon fiber layer has the advantages of high toughness, bacteriostasis, mould resistance, good spinnability, high cohesive force and strong hygroscopicity, improves the quality of the blended regenerated cotton yarn fabric, widens the application range of the blended regenerated cotton yarn fabric, and is worthy of large-area popularization.)

1. A blended regenerated cotton yarn cloth comprises a blended cotton yarn layer and a bamboo charcoal fiber layer, and is characterized in that the blended cotton yarn layer is bonded and connected with the bamboo charcoal fiber layer through a hot-melt antibacterial adhesive, and the surface layer of the bamboo charcoal fiber layer is uniformly coated with resin and moisture absorbent powder;

the blended cotton yarn layer is composed of the following raw materials in parts by weight: 20-25 parts of waste cotton fabric, 12-18 parts of cotton yarn leftover materials, 8-13 parts of melamine, 15-20 parts of linseed oil, 3-4 parts of silicone oil, 3-5 parts of liquid paraffin, 15-20 parts of polyvinyl alcohol, 3-6 parts of starch and 10-18 parts of nano silicon dioxide;

the bamboo charcoal fiber layer is composed of the following raw materials in parts by weight: 10-15 parts of bamboo carbon fiber, 30-40 parts of ethanol solution, 3-5 parts of sodium hydroxide solution and 2-3 parts of silicone oil;

the hot-melt antibacterial adhesive is prepared from the following raw materials in parts by weight: 10-50 parts of polyvinyl alcohol, 10-30 parts of ethylene, 20-50 parts of adhesive resin, 2-20 parts of plasticizer, 3-5 parts of liquid paraffin, 0.1-4 parts of antioxidant and 0.1-5 parts of bacteriostatic agent.

2. The blended regenerated cotton yarn cloth of claim 1, wherein: the concentration of the ethanol solution is 50-60%, and the concentration of the sodium hydroxide solution is 0.1-0.3 mol/L.

3. The blended regenerated cotton yarn cloth of claim 1, wherein: the bacteriostatic agent is prepared from the following raw materials in percentage by mass: 20-40 parts of disodium hydrogen phosphate, 8-20 parts of sodium dihydrogen phosphate, 1-3 parts of sodium chloride and 1-2 parts of benzalkonium chloride.

4. The blended regenerated cotton yarn cloth of claim 1, wherein: the thickness of the bacteriostatic film-forming layer is 0.01-0.1 mm.

5. The method for manufacturing the blended regenerated cotton yarn cloth according to claim 1, comprising the following steps:

(1) preparing blended cotton yarn cloth: respectively preparing a mixed fiber cotton sliver and mixed slurry, adding the mixed fiber cotton sliver into the mixed slurry, heating to 60-70 ℃, keeping for 1.5-2.5h, and then drying, thinning, combing and drawing to obtain a blended cotton yarn layer;

(2) preparing bamboo carbon fiber cloth: adding bamboo carbon fiber, sodium hydroxide solution and silicone oil into an ethanol solution, carrying out oscillation treatment for 30-50min under 400-plus-500W ultrasonic waves, taking out carbon fiber, washing the carbon fiber to be neutral by using distilled water to prepare bamboo carbon fiber, and then carrying out cotton thinning, combing and drawing to prepare a bamboo carbon fiber layer;

(3) preparing a hot-melt antibacterial adhesive: mixing polyvinyl alcohol and ethylene, heating to 50-55 deg.C, maintaining for 30-35min, adding viscous resin, plasticizer and liquid paraffin, heating to 60-70 deg.C, maintaining for 20-30min, cooling to 30-35 deg.C, and adding antioxidant and bacteriostatic agent;

(4) compounding and pasting: heating the hot-melt antibacterial adhesive to be molten, uniformly coating the hot-melt antibacterial adhesive on the surface of the blended cotton yarn cloth, immediately spreading the bamboo carbon fiber cloth on the molten adhesive, sticking the blended cotton yarn cloth and the bamboo carbon fiber cloth through a hot press at 90-95 ℃, and then transferring the cloth to a dryer for drying, wherein the drying temperature is 65-85 ℃;

(5) coating powder: and uniformly coating resin and moisture absorbent powder on the surface layer of the bamboo carbon fiber layer, and then transferring the bamboo carbon fiber layer into a drying oven for drying at the drying temperature of 50-70 ℃ until the weight is constant.

6. The method for manufacturing the blended regenerated cotton yarn cloth according to claim 5, characterized in that: the manufacturing method of the blended cotton yarn cloth in the step (1) comprises the following steps:

(1) mixing waste cotton fabrics and cotton yarn leftover materials, crushing by using a crusher, adding linseed oil, heating to 80-90 ℃, stirring at the rotation speed of 300-400r/min for 20-30min, then sending into a dryer for drying, and preparing into mixed fiber cotton strips for later use through cotton thinning treatment;

(2) putting melamine and starch into a stirring kettle, adding water, heating to 45-50 ℃, stirring until completely gelatinizing, then adding silicon oil and nano silicon dioxide, stirring into slurry, cooling to 40 ℃, adding sodium carbonate and polyvinyl alcohol, and fully stirring for 1-2 hours to obtain mixed slurry for later use;

(3) adding the mixed fiber cotton strips in the step (1) into the mixed slurry in the step (2), heating to 60-70 ℃, and carrying out constant temperature treatment for 1.5-2.5 h;

(4) and after the treatment is finished, taking out the fiber cotton sliver, drying, and then obtaining the blended cotton yarn cloth after cotton carding, combing and drawing.

Technical Field

The invention relates to a regenerated fabric, in particular to a blended regenerated cotton yarn fabric and a manufacturing method thereof.

Background

The regenerated cotton yarn is a yarn produced by utilizing leftover materials or waste cotton yarn products produced in spinning, weaving and garment processing and a fiber material obtained by reprocessing. The regenerated cotton yarn not only can realize the recycling of resources and save limited resources, but also can solve the treatment problem caused by leftover materials or waste cotton yarn products, and makes a contribution to environmental management.

The blended cotton yarn is processed and matched with other yarns to be woven into the cloth, and the cloth can be widely applied to the fields of medical treatment, articles for daily use and the like, but the existing blended cotton yarn cloth has limited water absorption effect and cannot meet the requirements of people. Therefore, the improvement of the water absorption performance of the cotton yarn is a problem to be solved urgently.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a blended and regenerated cotton yarn fabric and a manufacturing method thereof, and the blended and regenerated cotton yarn fabric is simple in structure and convenient to popularize.

In order to achieve the purpose of the invention, the invention adopts the technical scheme that:

a blended regenerated cotton yarn cloth comprises a blended cotton yarn layer and a bamboo charcoal fiber layer, wherein the blended cotton yarn layer is connected with the bamboo charcoal fiber layer in a bonding mode through a hot-melt antibacterial adhesive, and the surface layer of the bamboo charcoal fiber layer is uniformly coated with resin and moisture absorbent powder;

the blended cotton yarn layer is composed of the following raw materials in parts by weight: 20-25 parts of waste cotton fabric, 12-18 parts of cotton yarn leftover materials, 8-13 parts of melamine, 15-20 parts of linseed oil, 3-4 parts of silicone oil, 3-5 parts of liquid paraffin, 15-20 parts of polyvinyl alcohol, 3-6 parts of starch and 10-18 parts of nano silicon dioxide;

the bamboo charcoal fiber layer is composed of the following raw materials in parts by weight: 10-15 parts of bamboo carbon fiber, 30-40 parts of ethanol solution, 3-5 parts of sodium hydroxide solution and 2-3 parts of silicone oil;

the hot-melt antibacterial adhesive is prepared from the following raw materials in parts by weight: 10-50 parts of polyvinyl alcohol, 10-30 parts of ethylene, 20-50 parts of adhesive resin, 2-20 parts of plasticizer, 3-5 parts of liquid paraffin, 0.1-4 parts of antioxidant and 0.1-5 parts of bacteriostatic agent.

Preferably, the concentration of the ethanol solution is 50-60%, and the concentration of the sodium hydroxide solution is 0.1-0.3 mol/L.

Preferably, the bacteriostatic agent is prepared from the following raw materials in percentage by mass: 20-40 parts of disodium hydrogen phosphate, 8-20 parts of sodium dihydrogen phosphate, 1-3 parts of sodium chloride and 1-2 parts of benzalkonium chloride.

Preferably, the thickness of the bacteriostatic film-forming layer is 0.01-0.1 mm.

A manufacturing method of a blended regenerated cotton yarn cloth comprises the following steps:

(1) preparing blended cotton yarn cloth: respectively preparing a mixed fiber cotton sliver and mixed slurry, adding the mixed fiber cotton sliver into the mixed slurry, heating to 60-70 ℃, keeping for 1.5-2.5h, and then drying, thinning, combing and drawing to obtain a blended cotton yarn layer;

(2) preparing bamboo carbon fiber cloth: adding bamboo carbon fiber, sodium hydroxide solution and silicone oil into an ethanol solution, carrying out oscillation treatment for 30-50min under 400-plus-500W ultrasonic waves, taking out carbon fiber, washing the carbon fiber to be neutral by using distilled water to prepare bamboo carbon fiber, and then carrying out cotton thinning, combing and drawing to prepare a bamboo carbon fiber layer;

(3) preparing a hot-melt antibacterial adhesive: mixing polyvinyl alcohol and ethylene, heating to 50-55 deg.C, maintaining for 30-35min, adding viscous resin, plasticizer and liquid paraffin, heating to 60-70 deg.C, maintaining for 20-30min, cooling to 30-35 deg.C, and adding antioxidant and bacteriostatic agent;

(4) compounding and pasting: heating the hot-melt antibacterial adhesive to be molten, uniformly coating the hot-melt antibacterial adhesive on the surface of the blended cotton yarn cloth, immediately spreading the bamboo carbon fiber cloth on the molten adhesive, sticking the blended cotton yarn cloth and the bamboo carbon fiber cloth through a hot press at 90-95 ℃, and then transferring the cloth to a dryer for drying, wherein the drying temperature is 65-85 ℃;

(5) coating powder: and uniformly coating resin and moisture absorbent powder on the surface layer of the bamboo carbon fiber layer, and then transferring the bamboo carbon fiber layer into a drying oven for drying at the drying temperature of 50-70 ℃ until the weight is constant.

Preferably, the method for manufacturing the blended cotton yarn cloth in the step (1) comprises the following steps:

(1) mixing waste cotton fabrics and cotton yarn leftover materials, crushing by using a crusher, adding linseed oil, heating to 80-90 ℃, stirring at the rotation speed of 300-400r/min for 20-30min, then sending into a dryer for drying, and preparing into mixed fiber cotton strips for later use through cotton thinning treatment;

(2) putting melamine and starch into a stirring kettle, adding water, heating to 45-50 ℃, stirring until completely gelatinizing, then adding silicon oil and nano silicon dioxide, stirring into slurry, cooling to 40 ℃, adding sodium carbonate and polyvinyl alcohol, and fully stirring for 1-2 hours to obtain mixed slurry for later use;

(3) adding the mixed fiber cotton strips in the step (1) into the mixed slurry in the step (2), heating to 60-70 ℃, and carrying out constant temperature treatment for 1.5-2.5 h;

(4) and after the treatment is finished, taking out the fiber cotton sliver, drying, and then obtaining the blended cotton yarn cloth after cotton carding, combing and drawing.

The invention has the beneficial effects that: the mixed slurry prepared from the melamine, the starch, the partially saponified polyvinyl alcohol and other components is used for carrying out surface treatment on the regenerated fibers of the waste cotton fabrics, so that the strength, toughness, sun resistance, moisture absorption and light resistance of the fibers are improved, the fabric compounded by matching the hot-melt antibacterial adhesive and the bamboo carbon fiber layer has the advantages of high toughness, bacteriostasis, mildew resistance, good spinnability, high cohesive force and strong moisture absorption, the quality of the blended regenerated cotton yarn fabric is improved, the application range of the blended regenerated cotton yarn fabric is widened, and the blended regenerated cotton yarn fabric is worthy of large-area popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

1-blended cotton yarn layer, 2-hot-melt type antibacterial adhesive and 3-bamboo carbon fiber layer.

Detailed Description

In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1, the blended regenerated cotton yarn cloth comprises a blended cotton yarn layer 1 and a bamboo charcoal fiber layer 3, wherein the blended cotton yarn layer 1 is connected with the bamboo charcoal fiber layer 3 through a hot-melt antibacterial adhesive 2 in a bonding manner, and the surface layer of the bamboo charcoal fiber layer 1 is uniformly coated with resin and moisture absorbent powder;

the blended cotton yarn layer is composed of the following raw materials in parts by weight: 20-25 parts of waste cotton fabric, 12-18 parts of cotton yarn leftover materials, 8-13 parts of melamine, 15-20 parts of linseed oil, 3-4 parts of silicone oil, 3-5 parts of liquid paraffin, 15-20 parts of polyvinyl alcohol, 3-6 parts of starch and 10-18 parts of nano silicon dioxide;

the bamboo charcoal fiber layer is composed of the following raw materials in parts by weight: 10-15 parts of bamboo carbon fiber, 30-40 parts of ethanol solution, 3-5 parts of sodium hydroxide solution and 2-3 parts of silicone oil;

the hot-melt antibacterial adhesive is prepared from the following raw materials in parts by weight: 10-50 parts of polyvinyl alcohol, 10-30 parts of ethylene, 20-50 parts of adhesive resin, 2-20 parts of plasticizer, 3-5 parts of liquid paraffin, 0.1-4 parts of antioxidant and 0.1-5 parts of bacteriostatic agent.

Preferably, the concentration of the ethanol solution is 50-60%, and the concentration of the sodium hydroxide solution is 0.1-0.3 mol/L.

Preferably, the bacteriostatic agent is prepared from the following raw materials in percentage by mass: 20-40 parts of disodium hydrogen phosphate, 8-20 parts of sodium dihydrogen phosphate, 1-3 parts of sodium chloride and 1-2 parts of benzalkonium chloride.

Preferably, the thickness of the bacteriostatic film-forming layer is 0.01-0.1 mm.

A manufacturing method of a blended regenerated cotton yarn cloth comprises the following steps:

(1) preparing blended cotton yarn cloth: respectively preparing a mixed fiber cotton sliver and mixed slurry, adding the mixed fiber cotton sliver into the mixed slurry, heating to 60-70 ℃, keeping for 1.5-2.5h, and then drying, thinning, combing and drawing to obtain a blended cotton yarn layer;

(2) preparing bamboo carbon fiber cloth: adding bamboo carbon fiber, sodium hydroxide solution and silicone oil into an ethanol solution, carrying out oscillation treatment for 30-50min under 400-plus-500W ultrasonic waves, taking out carbon fiber, washing the carbon fiber to be neutral by using distilled water to prepare bamboo carbon fiber, and then carrying out cotton thinning, combing and drawing to prepare a bamboo carbon fiber layer;

(3) preparing a hot-melt antibacterial adhesive: mixing polyvinyl alcohol and ethylene, heating to 50-55 deg.C, maintaining for 30-35min, adding viscous resin, plasticizer and liquid paraffin, heating to 60-70 deg.C, maintaining for 20-30min, cooling to 30-35 deg.C, and adding antioxidant and bacteriostatic agent;

(4) compounding and pasting: heating the hot-melt antibacterial adhesive to be molten, uniformly coating the hot-melt antibacterial adhesive on the surface of the blended cotton yarn cloth, immediately spreading the bamboo carbon fiber cloth on the molten adhesive, sticking the blended cotton yarn cloth and the bamboo carbon fiber cloth through a hot press at 90-95 ℃, and then transferring the cloth to a dryer for drying, wherein the drying temperature is 65-85 ℃;

(5) coating powder: and uniformly coating resin and moisture absorbent powder on the surface layer of the bamboo carbon fiber layer, and then transferring the bamboo carbon fiber layer into a drying oven for drying at the drying temperature of 50-70 ℃ until the weight is constant.

Preferably, the method for manufacturing the blended cotton yarn cloth in the step (1) comprises the following steps:

(1) mixing waste cotton fabrics and cotton yarn leftover materials, crushing by using a crusher, adding linseed oil, heating to 80-90 ℃, stirring at the rotation speed of 300-400r/min for 20-30min, then sending into a dryer for drying, and preparing into mixed fiber cotton strips for later use through cotton thinning treatment;

(2) putting melamine and starch into a stirring kettle, adding water, heating to 45-50 ℃, stirring until completely gelatinizing, then adding silicon oil and nano silicon dioxide, stirring into slurry, cooling to 40 ℃, adding sodium carbonate and polyvinyl alcohol, and fully stirring for 1-2 hours to obtain mixed slurry for later use;

(3) adding the mixed fiber cotton strips in the step (1) into the mixed slurry in the step (2), heating to 60-70 ℃, and carrying out constant temperature treatment for 1.5-2.5 h;

(4) and after the treatment is finished, taking out the fiber cotton sliver, drying, and then obtaining the blended cotton yarn cloth after cotton carding, combing and drawing.

The invention has the beneficial effects that: the mixed slurry prepared from the melamine, the starch, the partially saponified polyvinyl alcohol and other components is used for carrying out surface treatment on the regenerated fibers of the waste cotton fabrics, so that the strength, toughness, sun resistance, moisture absorption and light resistance of the fibers are improved, the fabric compounded by matching the hot-melt antibacterial adhesive and the bamboo carbon fiber layer has the advantages of high toughness, bacteriostasis, mildew resistance, good spinnability, high cohesive force and strong moisture absorption, the quality of the blended regenerated cotton yarn fabric is improved, the application range of the blended regenerated cotton yarn fabric is widened, and the blended regenerated cotton yarn fabric is worthy of large-area popularization.