CN114311874B - Antibacterial warm-keeping moisture-absorbing quick-drying knitted sportswear fabric and production method thereof - Google Patents
Antibacterial warm-keeping moisture-absorbing quick-drying knitted sportswear fabric and production method thereof Download PDFInfo
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- CN114311874B CN114311874B CN202111386225.1A CN202111386225A CN114311874B CN 114311874 B CN114311874 B CN 114311874B CN 202111386225 A CN202111386225 A CN 202111386225A CN 114311874 B CN114311874 B CN 114311874B
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Abstract
The invention discloses an antibacterial warm-keeping moisture-absorbing quick-drying knitted sportswear fabric and a production method thereof, wherein the fabric comprises an inner layer with an antibacterial warm-keeping moisture-conducting composite function, an outer layer with an antibacterial warm-keeping moisture-absorbing composite function and a connecting layer with an antibacterial moisture-conducting composite function; the inner layer adopts antibacterial modified terylene-coated waterproof wool core-spun yarn; the outer layer adopts core spun yarn of shrink-proof wool wrapped by isatis root fibers; the connecting layer adopts antibacterial modified terylene; the production method of the fabric comprises weaving and dyeing and finishing. The fabric disclosed by the invention is subjected to moisture conduction through the inner layer and the connecting layer, and is combined with the outer layer to perform moisture absorption and diffusion to form a moisture absorption gradient, and especially the shrink-proof wool of the outer layer is thinned after moisture absorption, so that gaps are formed in the yarn of the face yarn, heat and moisture are more favorably dissipated, the moisture gradient from inside to outside and the differential capillary effect are formed, sweat is effectively promoted to migrate to the outer side of the skin, and a good moisture conduction and sweat release effect is achieved.
Description
Technical Field
The invention belongs to the technical field of moisture-absorbing and quick-drying knitted fabrics, and particularly relates to an antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric and a production method thereof.
Background
Body-building exercises have now become part of a person's life. An excellent sportswear fabric has good elasticity, is close to the skin, and has no constraint in movement; the second skin of the human body is to realize the control of heat and moisture; heat and moisture are dissipated during movement; the movement is finished, and the good warm keeping effect can be achieved in a wet state; determining the thermal and wet properties of a fabric, namely the characteristics and the geometric shape of the fiber raw materials, the structure of yarns, the density and the organization structure of the fabric and after-finishing; other characteristics such as softness, light weight, resistance to ultraviolet light, easy care, etc.
Wool is a high-grade natural textile fiber that has many excellent wearing comfort. For a long time, wool is mainly used for the middle-thick autumn and winter clothing materials, and the heat retention and elasticity of the wool are mainly highlighted in the application of the wool to knitting products. With the continuous intensive research of wool wear performance, people gradually realize the characteristics of high hygroscopicity, moisture absorption, non-sticking, cooling feeling and the like of wool fabrics, and even under the humid condition, wool has excellent heat preservation performance and new ultraviolet resistance, so that the wool yarn is suitable for developing sports clothing products in spring and autumn.
At present, the wool is mainly applied to the moisture-absorbing and quick-drying knitted fabric in the following two modes:
1. wool is blended with other natural fibers and/or functional fibers, such as document CN102587020A, CN104947302A, CN108049008A, and the like.
The disadvantage of this approach is that: (1) The blending mode is difficult to fully exert the excellent performance of each fiber, and (2) each fiber in the blending is in disordered arrangement, so that the moisture absorption and quick drying effects are generally poor.
2. The wool is subjected to hydrophilic processing and hydrophobic processing respectively, and then blended and woven to obtain a fabric (for example, document CN 103194908A), or directly woven to obtain the fabric (see document CN 104178875A).
The disadvantage of this approach is that: (1) the fabric has single functionality; (2) The blending mode is difficult to form a wetting gradient on the inner layer and the outer layer of the fabric, and the moisture-conducting and sweat-releasing effects are poor; (3) The pure wool fabric has larger shrinkage, and after washing for several times, the gap of the fabric becomes smaller, which seriously affects the cooling performance of the fabric.
Disclosure of Invention
The invention aims to solve the problems and provide the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric with good moisture-conducting and sweat-releasing effects and the production method thereof.
The technical scheme for realizing the aim of the invention is as follows: an antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric comprises an inner layer (1) with an antibacterial, warm-keeping and moisture-conducting composite function, an outer layer (2) with an antibacterial, warm-keeping and moisture-absorbing composite function and a connecting layer (3) with an antibacterial, moisture-conducting composite function.
The yarns adopted by the inner layer (1) are core-spun yarns; the yarn core of the core-spun yarn is waterproof wool (11), and the yarn skin of the core-spun yarn is antibacterial modified polyester (12).
The yarns adopted by the outer layer (2) are core-spun yarns; the yarn core of the core spun yarn is shrink-proof wool (21), and the yarn skin of the core spun yarn is isatis root fiber (22).
The yarn adopted by the connecting layer (3) is antibacterial modified terylene.
The gram weight of the antibacterial warm-keeping moisture-absorbing quick-drying knitted sportswear fabric is 200-250 g/m 2 。
The thickness of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric is 0.5-0.8 mm.
The waterproof wool adopts the waterproof treatment process as follows: the treatment liquid is water solution containing 3-5% waterproof agent TF-5503, pH is regulated to 4-5.5 with glacial acetic acid, bath ratio is 1:8-1:20, treatment time is 20-30 min, and the water-proof treatment is followed by complete drying at 110-125 ℃.
The shrink-proof wool is chlorinated mercerized wool subjected to plasma treatment, and is also called hygroscopic wool. The chlorinated mercerized wool has the scales removed, and the plasma treatment can lead the surface of the wool to form a large number of micro-convexities, so that the wool obtains excellent hygroscopicity and softness, and the good warmth retention property of the wool under the humid condition is reserved. In addition, the wool from which the scales are removed has water-driven shape memory characteristics, and becomes thin and long when absorbing water; after dehydration, the wool can recover to a thicker and shorter state; the composition has more obvious and faster shape memory reaction in water and in artificial sweat (subacidity) environment, and the characteristics are bidirectional and can be repeated for a plurality of times.
The specific conditions of the plasma treatment are selected according to the fineness of wool as follows:
ultra-fine wool (diameter 14-15.5 μm): the output power is 100W, and the processing time is 80-100 s.
Fine wool (diameter 15.5-16.5 μm): the output power is 150W, and the processing time is 80-100 s.
Coarse wool (diameter 16.5-17.5 μm): the output power is 200W, and the processing time is 80-100 s.
The isatis root fiber is prepared by extracting effective components (such as alkaloids, organic acids or various amino acids) from isatis root, and blending with viscose spinning solution. The isatis root fiber not only has excellent hygroscopicity and drapability of viscose fiber, but also has excellent antibacterial property and washing resistance.
The antibacterial modified polyester is prepared by preparing organic small molecules such as toluene, sodium benzoate, methyl salicylate and the like into microcapsules, then adding the microcapsules and silver ions into a polyester spinning solution, and preparing the fiber with the moisture-conducting antibacterial function through melt spinning by utilizing cross spray holes. The antibacterial modified polyester not only keeps the inherent comfortable hydrophilicity of polyester fibers, but also has the characteristic of low-temperature dyeing. Because when the dyeing temperature reaches 80 ℃, the organic small molecules start to be dispersed from the microcapsule, the fiber gap is increased, and the dye is facilitated to enter. Therefore, the antibacterial modified polyester is different from common polyester fiber in that the antibacterial modified polyester fiber is dyed at a high temperature of 125-130 ℃ and under a high pressure condition, so that dyeing at 95-100 ℃ and under normal pressure can be realized, and the damage of high-temperature dyeing to wool is greatly reduced.
The production method of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric comprises weaving, dyeing and finishing.
The dyeing and finishing comprises: pre-shaping, pre-treatment, acid neutralization, dyeing and shaping of finished products.
The staining may take one of two ways:
mode a: dyeing antibacterial modified polyester, reducing and washing, neutralizing with acid, dyeing wool and isatis root fiber in one bath, and fixing color.
Mode B: one bath dyeing of antibacterial modified terylene and wool, dyeing of isatis root fiber and fixation.
The invention has the positive effects that:
(1) The inner layer of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric adopts antibacterial modified polyester and waterproof wool with good moisture conductivity, the connecting layer adopts antibacterial modified polyester with good moisture conductivity, the outer layer adopts isatis root fiber and shrink-proof wool with good moisture absorption, the moisture is conducted through the inner layer and the connecting layer, and moisture absorption and diffusion are conducted through the outer layer, so that moisture absorption gradient is formed, sweat can be diffused from inside to outside, and moisture absorption and quick-drying are realized.
(2) According to the antibacterial warm-keeping moisture-absorbing quick-drying knitted sportswear fabric, the inner layer and the outer layer are both of the core-spun yarn structure, on one hand, compared with blended yarns, the functional performance of each fiber can be displayed to the greatest extent, on the other hand, the core-spun yarn structure can also well keep the excellent warm-keeping performance of wool, and especially, the shrink-proof wool of the outer layer can be thinned after moisture absorption, so that gaps are formed inside the face yarn yarns, heat and moisture are more favorably dissipated, a wetting gradient and differential capillary effect from inside to outside are formed, sweat migration to the outer side of skin is effectively promoted, and a good moisture-conducting and sweat-discharging effect is achieved.
(3) The inner layer and the outer layer of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric disclosed by the invention contain wool, so that the excellent warm-keeping performance is still maintained under the condition of great sweating in the outdoor exercises in spring and autumn, and the 'back cold' effect after severe exercises is prevented.
(4) The antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric disclosed by the invention adopts the isatis root fibers and the antibacterial modified polyester, so that a good antibacterial effect can be achieved, the antibacterial modified polyester can be dyed at a low temperature (95-100 ℃), the damage to wool is greatly reduced, the alkali solubility of the wool can be reduced from 15% at 130 ℃ to 10.5% at 98 ℃, and various dyeing fastness of the fabric meets the requirements.
Drawings
Fig. 1 is a schematic structural diagram of an antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of example 1.
Fig. 2 is a knitting diagram of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of example 1.
Fig. 3 is a dyeing process of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of example 1.
Fig. 4 is a dyeing process of the antibacterial warm-keeping moisture-absorbing quick-drying knitted sportswear fabric of example 2.
Detailed Description
Example 1
Referring to fig. 1, the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of the embodiment comprises an inner layer 1, an outer layer 2 and a connecting layer 3 connecting the inner layer 1 and the outer layer 2.
The inner layer 1 has the composite functions of antibiosis, warmth retention and moisture conduction, and the adopted yarn is core spun yarn; wherein: the yarn core is waterproof wool 11, and the yarn skin is antibacterial modified terylene 12.
The outer layer 2 has the composite functions of antibiosis, warmth retention and moisture absorption, and the adopted yarn is core spun yarn; wherein: the yarn core is shrink-proof wool 21, and the yarn sheath is radix Isatidis fiber 22.
The connecting layer 3 has the composite functions of antibiosis and moisture conduction, and the adopted yarn is antibacterial modified terylene.
The gram weight of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of the embodiment is 220g/m 2 。
The thickness of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of the embodiment is 0.7mm.
The production method of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric comprises the following steps of:
s1: weaving.
A weft knitting double-sided machine is adopted, the machine number is 24 needles/25.4 mm, the cylinder diameter is 864mm (34'), the number of paths is 72F, and the total number of needles is 2496.
The loop length and yarn ratio are as follows: veil (outer layer): 14.76tex shrink-proof wool yarn core board blue yarn sheath core yarn, 29cm/100 loops, yarn accounting for 27%; connecting yarn (connecting layer): 8.33tex/34F antibacterial modified terylene, 26cm/100 coils, and 15 percent of yarn; base yarn (inner layer): 16.67tex waterproof wool yarn core antibacterial modified polyester yarn sheath core yarn, 26cm/100 loops, and 58% of yarn.
The needle arrangement and the cam arrangement are as follows: designing a double-sided organization structure, arranging cotton wool, arranging upper dial knitting needles according to A, B sequence, and two sections are in a cycle; the lower needle cylinder is arranged according to A, B sequence, and two sections are in a cycle; each section forms a cycle with 6 paths, and a complete tissue is woven; wherein the 1 st and 4F penetrate into the face yarn, the 3 rd and 6F penetrate into the connecting yarn, and the 2 nd and 5F penetrate into the ground yarn.
The specific knitting diagram is shown in fig. 2, and the triangle configuration diagram is shown in table 1.
TABLE 1
Wherein, V represents the knitting cam of the needle dial needle, and V represents the knitting cam of the needle cylinder needle; "U" means needle hub triangle of the needle cylinder; "refers to a floating triangle (i.e., not woven).
S2: dyeing and finishing.
S21: and (3) pre-shaping, namely pre-shaping by small overfeeding at 160 ℃.
S22: pretreatment, wherein the temperature is 90-95 ℃ and the time is 25+/-5 min.
The pretreatment liquid comprises the following formula: 3g/L sodium carbonate, 2g/L hydrogen peroxide, 2g/L penetrant 2A, 3g/L emulsifier SEM-35N and the balance water.
S23: acid neutralization, adding 0.8g/L glacial acetic acid and 0.1g/L of European Nolan deoxygenase, running for 20min.
S24: dyeing in the mode A, specifically comprising the following steps:
s241: adding water into a dye vat, firstly adding 2g/L glacial acetic acid, running for 10min, and controlling the pH value to be 4-4.5; then adding 1g/L of levelling agent RDT-27, and running for 10min; then adding 1% disperse blue CRE and 0.8% disperse blue SR, heating to 98 ℃, and dyeing the antibacterial modified terylene for 30min.
S242: cooling to 85deg.C, adding 5g/L sodium carbonate and 3g/L sodium hydrosulfite, reducing and washing for 20min, and discharging liquid.
S243: adding water into the dye vat, adding 2g/L glacial acetic acid, neutralizing with acid for 20min, and draining.
S244: adding water into a dye vat, adding 5g/L sodium carbonate, 50g/L anhydrous sodium sulphate, 1.5% active brilliant blue WB for wool and 3% active blue KN-R, heating to 60 ℃, and dyeing wool and radix isatidis fibers in the same bath for 40min.
S245: fixing color, and discharging liquid out of the cylinder.
The specific dyeing process is shown in figure 3.
S25: shaping the finished product, and shaping the finished product by adopting a large overfeeding way at 180 ℃ to obtain the knitted sportswear fabric.
Example 2
The antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of the embodiment is the same as that of the embodiment 1, and the production method is basically the same as that of the embodiment 1, except that the dyeing of the step S24 adopts a mode B, and the specific steps are as follows:
s241': adding water into a dye vat, firstly adding 2g/L of precipitation inhibitor HT-33N, and running for 10min to prevent acid dye from precipitating; then adding 2g/L glacial acetic acid and 1g/L levelling agent CA250, running for 10min, and controlling the pH value to be 4-4.5; then adding 1.1% of disperse dark blue R, 0.5% of disperse red jade 4B, 1.5% of acid blue NFS and 0.65% of acid red NFS, heating to 98 ℃, and dyeing antibacterial modified polyester and wool for 30min in a same bath, and draining.
S242': adding water into the dye vat, adding 5g/L sodium carbonate, 50g/L anhydrous sodium sulphate, 2.1% active blue CA and 0.9% active purple BN, heating to 60 ℃, and dyeing radix Isatidis fiber for 40min.
S243': and finally fixing color, and discharging liquid out of the cylinder.
The specific dyeing process is shown in fig. 4.
Test example 1
The knitted sportswear fabrics of examples 1 and 2 were tested for moisture absorption and quick drying properties, and the results are shown in table 2.
The test method is GB/T21655.1-2008, evaluation of moisture absorption and quick drying Property of textiles, part 1: single phase combination test method.
TABLE 2
| Test item | Index requirements | Example 1 | Example 2 |
| Water absorption (before washing)/% | ≥200 | 242 | 238 |
| Water absorption (after 5 washes)/% | ≥200 | 237 | 247 |
| Drip diffusion time (before washing)/s | ≤3 | 1.1 | 1.2 |
| Drip diffusion time (after 5 washes)/s | ≤3 | 0.8 | 0.6 |
| Wicking height (before washing)/mm | ≥100 | 171.5 | 169.3 |
| Wicking height (after 5 washes)/mm | ≥100 | 188.8 | 189.7 |
| Evaporation rate (before washing)/(g/h) | ≥0.18 | 0.21 | 0.19 |
| Evaporation rate (after 5 washes)/(g/h) | ≥0.18 | 0.22 | 0.22 |
| Moisture transmission (before washing)/[ g/m ] 2 ·d] | ≥10000 | 11200 | 10300 |
| Moisture permeability (after 5 times washing)/[ g/m ] 2 ·d] | ≥10000 | 10900 | 10300 |
As can be seen from table 2: all indexes of the knitted sportswear fabrics before and after washing in the examples 1 and 2 reach technical requirements, and the knitted sportswear fabrics belong to moisture-absorbing and quick-drying fabrics.
Test example 2
The knitted sportswear fabrics of examples 1, 2 were tested for various color fastnesses, the results are shown in table 3, wherein:
the method for testing the rub fastness is GB/T3920-2008 "rub fastness to color test for textile color fastness".
The water-resistant color fastness testing method is GB/T5713-2013 textile color fastness test Water-resistant color fastness.
The perspiration resistance color fastness testing method is GB/T3922-2013 textile color fastness test perspiration resistance color fastness.
TABLE 3 Table 3
| Test item | Index requirements | Example 1 | Example 2 |
| Color fastness to rubbing (Dry) | Grade 3 or more | 4-5 grade | 4-5 grade |
| Fastness to water/discoloration | Grade 3-4 or more | 4-5 grade | 4-5 grade |
| Fastness to water/staining | Grade 3-4 or more | 4-5 grade | 4-5 grade |
| Perspiration resistance color fastness (acid)/discoloration | Grade 3-4 or more | 4-5 grade | 4-5 grade |
| Perspiration resistance color fastness (acid)/staining | Grade 3-4 or more | 4-5 grade | 4-5 grade |
| Perspiration resistance color fastness (alkali)/discoloration | Grade 3-4 or more | 4-5 grade | 4-5 grade |
| Perspiration resistance color fastness (alkali)/staining | Grade 3-4 or more | 4-5 grade | 4-5 grade |
As can be seen from table 3: the knitted sportswear fabrics of examples 1 and 2 were high in each color fastness.
Test example 3
The knitted sportswear fabrics of examples 1 and 2 were tested for antimicrobial properties and the results are shown in table 4.
The test method is GB/T20944.3-2008 part 3 of evaluation of antibacterial Properties of textiles: oscillation method.
Wherein: the antibacterial rate of staphylococcus aureus, escherichia coli and candida albicans after 50 times of water washing is tested by referring to the water washing of the industry standard FZ/T73023-2006 antibacterial knitwear.
TABLE 4 Table 4
| Example 1 | Example 2 | |
| Staphylococcus aureus | ＞99% | ＞99% |
| Coli bacterium | ＞99% | ＞99% |
| Candida albicans | ＞99% | ＞99% |
As can be seen from table 4: the knitted sportswear fabrics of examples 1 and 2 have good antibacterial performance, and the antibacterial rate of the knitted sportswear fabrics on staphylococcus aureus, escherichia coli and candida albicans is over 99 percent.
Test example 4
The knitted sportswear fabrics of examples 1 and 2 were tested for warmth retention properties by GB/T11048-2018 test method for measurement of thermal resistance and moisture resistance under steady-state conditions of physiological comfort of textiles (evaporation hotplate method), and the test results were: thermal resistance values of 0.060m respectively 2 K/W and 0.054m 2 ·K/W。
From this, it can be seen that the knitted sportswear fabric of examples 1 and 2 has better warmth retention property.
Claims (7)
1. An antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric is characterized in that: comprises an inner layer (1) with an antibacterial, warm-keeping and moisture-conducting composite function, an outer layer (2) with an antibacterial, warm-keeping and moisture-absorbing composite function and a connecting layer (3) with an antibacterial, moisture-conducting composite function;
the yarns adopted by the inner layer (1) are core-spun yarns; the yarn core of the core-spun yarn is waterproof wool (11), and the yarn skin of the core-spun yarn is antibacterial modified polyester (12);
the yarns adopted by the outer layer (2) are core-spun yarns; the yarn core of the core spun yarn is shrink-proof wool (21), and the yarn skin of the core spun yarn is isatis root fiber (22);
the yarn adopted by the connecting layer (3) is antibacterial modified terylene.
2. The antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric of claim 1, wherein the sportswear fabric is characterized in that: the antibacterial modified polyester is prepared by preparing toluene, sodium benzoate or methyl salicylate into microcapsules, adding the microcapsules and silver ions into polyester spinning solution, and performing melt spinning by using cross spray holes.
3. The production method of the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric as claimed in claim 1 or 2, which is characterized in that: including weaving and dyeing and finishing; the dyeing and finishing comprises: pre-shaping, pre-treatment, acid neutralization, dyeing and shaping of finished products.
4. The method for producing the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric according to claim 3, which is characterized in that: the dyeing comprises the steps of dyeing antibacterial modified polyester, reducing and washing, neutralizing with acid, dyeing wool and isatis root fibers in one bath, and fixing color.
5. The method for producing the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric according to claim 4, which is characterized in that: the temperature of the dyed antibacterial modified polyester is 95-100 ℃, and the adopted dye is disperse dye; the temperature of the same bath dyeing wool and isatis root fiber is 50-70 ℃, and the adopted dye is a reactive dye.
6. The method for producing the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric according to claim 3, which is characterized in that: the dyeing is one-bath dyeing of antibacterial modified polyester and wool, dyeing of isatis root fibers and fixation.
7. The method for producing the antibacterial, warm-keeping, moisture-absorbing and quick-drying knitted sportswear fabric according to claim 6, which is characterized in that: the temperature of the same bath dyeing antibacterial modified polyester and wool is 95-100 ℃, and the adopted dye is disperse dye and acid dye; the temperature of the dyer woad root fiber is 50-70 ℃, and the adopted dye is a reactive dye.
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