阅读说明：本技术 一种康伦抗菌吸排丝纤维毛毯的制备方法 (Preparation method of Conlon antibacterial suction and discharge filament fiber blanket ) 是由 刘立伟 彭宪忠 侯飞 于 2020-12-09 设计创作，主要内容包括：本发明涉及功能性家纺技术领域,尤其涉及一种康伦抗菌吸排丝纤维毛毯的制备方法,包括以下步骤：(1)以康伦抗菌纤维为面丝原料,以全牵伸丝为底丝,采用电子送经,采用一穿一空、同向垫纱方式编织,得康伦抗菌纤维坯布；所述康伦抗菌纤维在纺丝过程中添加有无机纳米抗菌剂；(2)印花,烘干,固色处理；(3)加入柔软剂进行上柔处理,水洗,烘干后,即得康伦抗菌吸排丝纤维毛毯。本发明采用在康伦抗菌纤维的纺丝过程中添加无机纳米抗菌剂抗菌、消臭效果更加优良,在纺丝过程中添加抗菌、消臭效果更持久,康伦抗菌纤维通过高温定型后再烫光,康伦抗菌纤维在一定的温度下进行膨化,底部采用上胶处理,提高康伦抗菌吸排丝纤维毛毯的耐用性。(The invention relates to the technical field of functional home textiles, in particular to a preparation method of a conlun antibacterial suction and discharge filament fiber blanket, which comprises the following steps: (1) using Conlon antibacterial fiber as a surface yarn raw material, using fully drawn yarn as a bottom yarn, adopting electronic warp let-off, and weaving in a one-through one-empty and same-direction yarn laying mode to obtain Conlon antibacterial fiber grey cloth; the inorganic nano antibacterial agent is added into the conlun antibacterial fiber in the spinning process; (2) printing, drying and fixing; (3) adding a softening agent for softening, washing with water, and drying to obtain the Conn antibacterial suction and discharge silk fiber blanket. The invention adopts the technical scheme that the inorganic nano antibacterial agent is added in the spinning process of the conlun antibacterial fiber, so that the antibacterial and deodorizing effects are better, the antibacterial and deodorizing effects are more durable, the conlun antibacterial fiber is subjected to high-temperature shaping and then is scalded, the conlun antibacterial fiber is bulked at a certain temperature, the bottom of the conlun antibacterial fiber is subjected to gluing treatment, and the durability of the conlun antibacterial suction and discharge fiber blanket is improved.)

1. A preparation method of a conlun antibacterial suction and discharge silk fiber blanket is characterized by comprising the following steps:

(1) using Conlon antibacterial fiber as a surface yarn raw material, using fully drawn yarn as a bottom yarn, adopting electronic warp let-off, and weaving in a one-through one-empty and same-direction yarn laying mode to obtain Conlon antibacterial fiber grey cloth; the inorganic nano antibacterial agent is added into the conlun antibacterial fiber in the spinning process;

(2) printing a Conn antibacterial fiber grey cloth, drying, and fixing color;

(3) and (3) adding a softening agent into the Conn antibacterial fiber gray fabric treated in the step (2) for softening, washing with water, and drying to obtain the Conn antibacterial suction and discharge fiber blanket.

2. The preparation method according to claim 1, wherein in the step (1), before weaving, the conlun antibacterial fiber is subjected to high-temperature shaping and lustring treatment: gluing the bottom of the Conlon antibacterial fiber in a gluing ratio of 1:15, performing high-temperature expansion forming when the humidity is 40-45%, wherein the forming temperature is 145-150 ℃, the forming speed is 35-38 m/min, and then performing ironing treatment.

3. The preparation method according to claim 1, wherein in the step (2), the fixation temperature is 130-135 ℃ and the time is 10-15 min.

4. The preparation method according to claim 1, wherein in the step (3), the softener is a cationic softener, and the addition proportion of the softener is 5-5.5 wt%; and (4) overflow type washing is adopted, the wool washing direction is reversed wool washing, and the washing speed is 15-18 m/min.

5. The method according to any one of claims 1 to 4, wherein in the step (1), the inorganic nano antibacterial agent is nano zinc oxide.

6. The preparation method according to any one of claims 1 to 4, wherein the inorganic nano antibacterial agent is modified nano zinc oxide, and the preparation method of the modified nano zinc oxide comprises the following steps:

adding nano ZnO into a mixed solution of N-N dimethylformamide and deionized water, wherein the volume ratio of DMF to deionized water is (1-1.5): 1, performing ultrasonic treatment until the solution is uniformly dispersed, adding pyridine, performing hydrothermal reaction at 65-85 ℃ for 12-18 h, and naturally cooling to room temperature to obtain the modified nano zinc oxide.

7. The preparation method of claim 6, wherein the conlun antibacterial fiber is obtained by spinning modified nano zinc oxide mixed into polyacrylonitrile.

Technical Field

The invention relates to the technical field of functional home textiles, in particular to a preparation method of a conlun antibacterial suction and discharge filament fiber blanket.

Background

The functional household textile refers to a household textile with special functions, such as a safety function, a comfort function, a bacteriostatic function, a sanitation function and the like. At present, functional household textiles in China mainly focus on the aspects of health care effects, such as antibacterial, deodorant and anti-mite products, healthy sleeping bedroom articles and the like.

The antibacterial household textile can be obtained by performing after-finishing such as coating or resin treatment on the textile, and the after-finishing technology is commonly used for natural pure textile fabrics. Or adding the antibacterial agent into the fiber stock solution for blending spinning, or grafting the antibacterial agent onto common fibers to prepare antibacterial fibers, and weaving the antibacterial fibers to obtain the antibacterial household textile.

The blanket is a common bedding article, has a warm-keeping function and is thinner than a quilt. The raw materials are mainly animal fibers (such as wool, mohair, rabbit hair, cashmere, camel hair and yakwool) or chemical fibers such as acrylic fibers and viscose fibers, and also are made by blending animal fibers and chemical fibers. The traditional blanket does not have the functions of antibiosis and sweat absorption, and the fiber absorbs the excreta of sweat, sebum and the like of a human body in the using process, so that static electricity is easy to accumulate, dust is easy to collect, dirt is easy to be polluted, the air permeability is poor, an excellent breeding condition is provided for bacteria, and uncomfortable smell and infection and spread of diseases are generated.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides the preparation method of the conlun antibacterial suction and discharge filament fiber blanket with the functions of antibiosis, moisture absorption, perspiration and antistatic.

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

a preparation method of a conlun antibacterial suction and discharge silk fiber blanket comprises the following steps:

(1) using Conlon antibacterial fiber as a surface yarn raw material, using fully drawn yarn as a bottom yarn, adopting electronic warp let-off, and weaving in a one-through one-empty and same-direction yarn laying mode to obtain Conlon antibacterial fiber grey cloth; the inorganic nano antibacterial agent is added into the conlun antibacterial fiber in the spinning process; the method is characterized in that both the surface yarn and the bottom yarn of the grey cloth are fully penetrated, the surface yarn and the bottom yarn are reasonably combined in the step, the compatibility is reasonable, and the moisture absorption and the air permeability of the fiber can be fully improved by adopting a one-penetrating one-empty and same-direction yarn laying mode for weaving;

(2) printing a Conn antibacterial fiber grey cloth, drying, and fixing color; the printing wool direction of the Conn antibacterial gray fabric is smooth wool, the printing quality is good, the printing outline is clear, and the pattern positions are vivid;

(3) and (3) adding a softening agent into the Conn antibacterial fiber gray fabric treated in the step (2) for softening, washing with water, and drying to obtain the Conn antibacterial suction and discharge fiber blanket. In the step, a plain-good washing machine is adopted for washing, overflow type washing is adopted, the effects of energy conservation and consumption reduction are achieved, the wool washing direction is reversed wool washing, dye auxiliaries in the fibers are removed through a washing brush, and the fabric is smooth and comfortable in hand feeling and dry and not sticky.

The invention adopts the surface yarn as DTY120D/192f Conlon antibacterial fiber, and the bottom yarn is 75D/48f fully drawn yarn; e2888 warp knitting machines are selected as warp knitting equipment; the let-off method adopts electronic let-off, the gauge is 14mm, and the knitting is carried out on a high-speed warp knitting machine by adopting a one-through one-empty and equidirectional yarn laying mode. The traditional functional fiber is completed by adding the auxiliary agent, and in order to change the traditional functional adding mode, the invention adopts the mode that the inorganic nano antibacterial agent is added in the spinning process of the conlun antibacterial fiber, so that the antibacterial and deodorant effects are better, and the antibacterial and deodorant effects are more durable.

Preferably, in the step (1), before weaving, the conlun antibacterial fiber is subjected to high-temperature shaping and ironing treatment: gluing the bottom of the Conlon antibacterial fiber in a gluing ratio of 1:15, performing high-temperature expansion forming when the humidity is 40-45%, wherein the forming temperature is 145-150 ℃, the forming speed is 35-38 m/min, and then performing ironing treatment.

The method utilizes the inherent characteristics of the Conn antibacterial fiber to carry out pretreatment, the fiber is shaped at high temperature and then ironed, the Conn antibacterial fiber is bulked at a certain temperature, the bottom of the Conn antibacterial fiber is treated by gluing to increase certain humidity, and the shaping temperature and speed of the Conn antibacterial fiber are determined. The natural luster finishing method comprises the steps of natural luster finishing by using a high-temperature high-low natural luster finishing machine, removing a part of oil agent and a part of pre-setting effect in fibers, eliminating fiber internal stress, enabling the bent fibers to be instantly natural luster finished through high temperature and certain pressure, reflecting light uniformly, enabling the fibers to be fine and smooth and achieve certain hand feeling, enabling the bottom 2-3 mm to be not brushed completely, enabling the color of the position 2-3 mm on the top end of the fibers to be bright, and obtaining the fine and smooth Conlon antibacterial fibers with comfortable hand feeling and moderate luster.

Preferably, in the step (4), the drying temperature for shaping the wet cloth is not higher than the shaping temperature for pretreatment of the conlun antibacterial fiber, and the functionality of the conlun antibacterial fiber is influenced by too high temperature.

Preferably, in the step (2), the color fixing temperature is 130-135 ℃, and the time is 10-15 min.

Preferably, in the step (3), the softener is a cationic softener, and the addition proportion of the softener is 5-5.5 wt%; and (4) overflow type washing is adopted, the wool washing direction is reversed wool washing, and the washing speed is 15-18 m/min.

Preferably, in the step (1), the inorganic nano antibacterial agent is nano zinc oxide. The nano zinc oxide has stable performance and excellent hue, zinc is a trace element required by a human body, and the product is safe and nontoxic. Zn can be continuously dissolved out from the Conn antibacterial suction and discharge silk fiber blanket in the using process²⁺It can react with-HS group of bacterial cell to destroy its structure and kill bacteria. Meanwhile, the nano zinc oxide has a photocatalytic sterilization effect, and can generate electronic transition under the illumination condition in the daily airing process to generate photo-generated carriers, so that oxygen and water in the air are converted into superoxide anions, and the oxidation degradation is realizedAnd (3) bacteria adsorbed on the surface of the conlun antibacterial suction and discharge silk fiber blanket are desorbed. The nano zinc oxide also has certain conductivity and can eliminate static electricity.

Preferably, the inorganic nano antibacterial agent is modified nano zinc oxide, and the preparation method of the modified nano zinc oxide comprises the following steps:

adding nano ZnO into a mixed solution of N-N Dimethylformamide (DMF) and deionized water, wherein the volume ratio of DMF to deionized water is (1-1.5): 1, performing ultrasonic treatment until the solution is uniformly dispersed, adding pyridine, performing hydrothermal reaction at 65-85 ℃ for 12-18 h, and naturally cooling to room temperature to obtain a product ZnO @ ZIF8, namely the modified nano zinc oxide.

The modified nano zinc oxide is an N-doped ZnO/MOF composite material; ZnO is easier to separate out metal ion Zn in dimethyl formamide solution²⁺The N-doped ZnO/MOF composite material with spherical morphology is formed, low ion precipitation can be caused by low addition amount of the dimethylformamide, high ion precipitation can be caused by high addition amount of the dimethylformamide, and the structure collapse can be caused.

The N-doped ZnO/MOF composite material can widen the forbidden bandwidth of ZnO, meanwhile, the metal organic framework structure can improve the specific surface area of the material, and synergistically improve the photocatalytic sterilization characteristic, and the metal organic framework structure also has a larger specific surface area, so that the bonding firmness of the material on the surface of the Conn antibacterial fiber is improved, and the antibacterial durability is improved.

Preferably, the conlun antibacterial fiber is obtained by mixing modified nano zinc oxide into polyacrylonitrile and spinning. The N-doped ZnO/MOF composite material has the bactericidal performance of nano zinc oxide and the characteristics of metal organic framework material MOF, and uses the three-dimensional pore structure of the material to prepare Zn²⁺The organic ligand support is used as a connection point to form space 3D extension, so that the grafting compounding with polyacrylonitrile is facilitated in the spinning process of preparing the conlun antibacterial fiber, and the firmness of the modified nano zinc oxide on the surface of the conlun antibacterial fiber is improved. Meanwhile, the N-doped ZnO/MOF composite material has certain conductivity and can eliminate static electricity.

Therefore, the invention has the following beneficial effects:

(1) the invention uses the inherent characteristics of the Conn antibacterial fiber for pretreatment, the fiber is shaped at high temperature and then ironed, the Conn antibacterial fiber is bulked at a certain temperature, the bottom of the Conn antibacterial fiber is treated by gluing, certain humidity is increased, the shaping temperature and speed of the Conn antibacterial fiber are determined, and the durability of the Conn antibacterial suction and discharge silk fiber blanket is improved;

(2) the invention adopts the technical scheme that the antibacterial and deodorant effects of the inorganic nano antibacterial agent added in the spinning process of the conlun antibacterial fiber are better, and the antibacterial and deodorant effects added in the spinning process are more durable;

(3) the N-doped ZnO/MOF composite material can widen the forbidden bandwidth of ZnO, meanwhile, the metal organic framework structure can improve the specific surface area of the material, and synergistically improve the photocatalytic sterilization characteristic, and the metal organic framework structure also has a larger specific surface area, so that the bonding firmness of the material on the surface of the Conn antibacterial fiber is improved, and the antibacterial durability of the Conn antibacterial suction and discharge filament fiber blanket is improved.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific examples.

In the present invention, all the equipment and materials are commercially available or commonly used in the art, and the methods in the following examples are conventional in the art unless otherwise specified.

Example 1

(1) Using Conlon antibacterial fiber as a surface yarn raw material, using fully drawn yarn as a bottom yarn, adopting electronic warp let-off, and weaving in a one-through one-empty and same-direction yarn laying mode to obtain Conlon antibacterial fiber grey cloth; the conlun antibacterial fiber is added with nano zinc oxide in the spinning process; before weaving, the Conn antibacterial fiber is subjected to high-temperature shaping and lustring treatment: gluing the bottom of the Conn antibacterial fiber at a gluing ratio of 1:15, performing high-temperature expansion forming at a forming temperature of 145 ℃ and a forming speed of 38m/min when the humidity is 40%, and then performing ironing treatment;

(2) printing the Conlon antibacterial fiber grey cloth, drying, and fixing color. The color fixing temperature is 130 ℃, and the time is 15 min;

(3) and (3) adding 5wt% of cationic softening agent into the Conn antibacterial fiber gray fabric treated in the step (2) for softening, adopting overflow type water washing, wherein the water washing direction is reversed hair water washing, the water washing speed is 18m/min, and drying to obtain the Conn antibacterial suction silk fiber blanket.

Example 2

(1) Using Conlon antibacterial fiber as a surface yarn raw material, using fully drawn yarn as a bottom yarn, adopting electronic warp let-off, and weaving in a one-through one-empty and same-direction yarn laying mode to obtain Conlon antibacterial fiber grey cloth; the Conn antibacterial fiber is obtained by mixing modified nano zinc oxide into polyacrylonitrile for spinning; before weaving, the Conn antibacterial fiber is subjected to high-temperature shaping and lustring treatment: gluing the bottom of the Conn antibacterial fiber at a gluing ratio of 1:15, performing high-temperature expansion forming at a forming temperature of 150 ℃ and a forming speed of 35m/min when the humidity is 45%, and then performing ironing treatment;

the preparation method of the modified nano zinc oxide comprises the following steps:

adding nano ZnO into a mixed solution of N-N dimethylformamide and deionized water, wherein the volume ratio of DMF to deionized water is 1.5:1, performing ultrasonic treatment until the solution is uniformly dispersed, adding pyridine, performing hydrothermal reaction at 85 ℃ for 12 hours, and naturally cooling to room temperature to obtain modified nano zinc oxide;

(2) printing the Conlon antibacterial fiber grey cloth, drying, and fixing color. The color fixing temperature is 135 ℃, and the time is 10 min;

(3) and (3) adding 5.5wt% of cationic softening agent into the Conn antibacterial fiber gray fabric treated in the step (2) for softening, performing overflow type water washing, wherein the water washing wool direction is reversed wool water washing, the water washing speed is 15m/min, and drying to obtain the Conn antibacterial suction and discharge silk fiber blanket.

Example 3

(1) Using Conlon antibacterial fiber as a surface yarn raw material, using fully drawn yarn as a bottom yarn, adopting electronic warp let-off, and weaving in a one-through one-empty and same-direction yarn laying mode to obtain Conlon antibacterial fiber grey cloth; the Conn antibacterial fiber is obtained by mixing modified nano zinc oxide into polyacrylonitrile for spinning; before weaving, the Conn antibacterial fiber is subjected to high-temperature shaping and lustring treatment: sizing the bottom of the Conn antibacterial fiber, wherein the sizing ratio is 1:15, and high-temperature expansion shaping is carried out when the humidity is 42%, the shaping temperature is 148 ℃, the shaping speed is 36m/min, and then ironing treatment is carried out;

the preparation method of the modified nano zinc oxide comprises the following steps:

adding nano ZnO into a mixed solution of N-N dimethylformamide and deionized water, wherein the volume ratio of DMF to deionized water is 1:1, performing ultrasonic treatment until the solution is uniformly dispersed, adding pyridine, performing hydrothermal reaction at 65 ℃ for 18 hours, and naturally cooling to room temperature to obtain modified nano zinc oxide;

(2) printing the Conlon antibacterial fiber grey cloth, drying, and fixing color. The color fixing temperature is 132 ℃, and the time is 12 min;

(3) and (3) adding 5.2wt% of cationic softening agent into the conlun antibacterial fiber gray fabric treated in the step (2) for softening, washing with overflow water, wherein the wool washing direction is reversed wool washing, the washing speed is 16m/min, and drying to obtain the conlun antibacterial suction and discharge silk fiber blanket.

The main technical indexes of the Conlon antibacterial suction and discharge silk fiber blanket prepared by the invention are as follows:

1. length deviation ratio/(%): plus or minus 2.0;

2. width deviation ratio/(%): plus or minus 2.0;

3. weight deviation ratio/(%): plus or minus 2.0;

4. shrinkage/(%): the warp and weft directions are +/-2.0;

5. sun-proof: 4, level;

6. color fastness to washing/grade: 4, level;

7. friction resistance/grade: 4, level;

8. perspiration resistance (acid, base)/grade: 4;

9. formaldehyde content/(mg/kg): less than or equal to 75;

10. decomposable aromatic dyes: forbidding;

11. peculiar smell: none;

12. coli: not less than 70;

13. staphylococcus aureus: not less than 80;

14. candida albicans: not less than 60.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.