KR20040048021A - Method of manufacturing quick water absorbing fabric with anti-microbial property - Google Patents

Abstract

PURPOSE: Double textile and knitted goods are characterized by having excellent antibacterial property and moisture transition property, being sanitary, having excellent wearing effect, containing a silver ingredient in yarn and having excellent wash fastness. A manufacturing method thereof is provided. The double textile and knitted goods are useful for sports wear, an uniform, bed clothes for a patient and patient wear. CONSTITUTION: Double textile and knitted goods contains nylon modified cross-section multi-filament yarn(A) on one side and nylon micro multi-filament yarn(B) containing a silver ingredient on the other side. Single fineness of the yarn(A) is 1.5-3denier. Single fineness of the yarn(B) is 1.1denier. Density of the textile and the knitted goods of the yarn(B) is higher than the yarn(A).

Description

Fabric and method for manufacturing knitted fabrics with excellent bactericidal properties and water transfer properties and methods of manufacturing the knitted fabrics and knitted fabrics thereon {Method of manufacturing quick water absorbing fabric with anti-microbial property}

The present invention relates to a fabric, a method for producing a knitted fabric, and a knitted fabric, the knitted fabric having excellent bactericidal properties, water absorption and transferability to provide a long-term comfortable and hygienic environment.

More specifically, a nylon hetero-section yarn having a yarn cross section that maximizes the voids between the fibers to increase the capillary effect is rapidly absorbed and diffused from a straight side, and then a silver-containing micro yarn is used at high density. Bacteria, Staphylococcus aureus, etc., by the surface layer knit using micro yarns containing silver components with the ability to move moisture rapidly due to the difference in density of front and back and the capillary effect of the hetero sectional surface toward the other side knitted The present invention relates to a comfortable sanitary material fabric, a method for producing a knitted fabric, and a fabric and knitted fabric which can exert excellent bactericidal properties by killing harmful bacteria.

Absorptivity is a phenomenon in which liquid water such as sweat passing through the space is absorbed and diffused by a so-called capillary phenomenon due to the space present inside the fiber, between the fibers, or between the yarns.

The absorbent performance of the fiber material depends on how much fine space is formed in the fiber material.

Conventional techniques include methods of chemically modifying the fibers or physically modifying the fiber surface in order to provide absorption to the synthetic fiber material.

Chemical reforming method is easy to bring about changes in the properties of the fiber inherent, and physical reforming method has a disadvantage that the reproducibility may be reduced in the process of raising the manufacturing cost of yarn or dyeing and processing.

As a method for imparting antibacterial and deodorant properties to various fibers, a method of fixing an antibacterial and deodorant compound onto a fiber is widely used.

Silver is harmless to the human body, and it is harmless, non-toxic and has no side effects unlike general chemicals, and it is known to have strong bactericidal power and improve skin diseases such as acne, swelling, eczema and athlete's foot, protecting skin and regenerating skin cells. .

Since the antimicrobial deodorant fiber by the post-processing method is incompletely combined with the antimicrobial compound and the fiber, the antimicrobial compound is desorbed or deteriorated by washing, heat, ultraviolet light, etc., and thus the antimicrobial performance is deteriorated or harmful to the natural environment. .

The present invention manufactures one side of a woven fabric and knitted fabric using a nylon yarn having a high degree of sectional yarn, and another side is prepared using a silver-containing antibacterial functional nylon micro yarn to produce a double woven fabric and knitted fabric. The effect of capillary effect by maximizing the capillary effect due to the difference in density between the layers of fibers forming the knit and knitted fabrics promotes the diffusion and migration of moisture, and also the excellent bactericidal treatment using one side using silver-containing bacteriostatic nylon micro sand It is an object of the present invention to provide a fabric, a method of manufacturing a knitted fabric, and a knitted fabric and a knitted fabric to exhibit the characteristics.

1 is a cross-sectional view of a release cross-section yarn used in the present invention.

2 is a cross-sectional view of silver component-containing micro sand used in the present invention.

Hereinafter, the present invention will be described in detail.

The present invention uses a nylon release cross-section multifilament yarn (A) having a cross section as shown in FIG. 1 and a silver (Ag) -containing nylon micro multifilament yarn (B) as shown in FIG. Using a longitudinal yarn, weaving and weaving into a double weave so that the yarn (A) is floating on one side and the yarn (B) is floating on the other side, Low woven fabrics and knitted fabrics produced by increasing the weaving and knitting density of the surface from which the yarn (B) is ejected and at the same time being at least 1.5 times the single yarn fineness of the yarn (B). It is about a method.

Yarn (B) is prepared by melt spinning the nylon polymer with a silver component in the form of powder to have a cross-sectional structure as shown in FIG.

In this case, single yarn fineness of yarn (A) used on one side is 1.5 to 3.0 denier, and single yarn fineness of yarn (B) used on other side is 1.1 denier or less, but single yarn fineness of nylon yarn used on both sides is used. ratio( ) Must be used in combination with 1.4 or more.

If the ratio of single yarn is less than 1.4, the absorption and transfer rate of water is greatly reduced, so that excellent absorption cannot be obtained.

Nylon woven fabric, knitted fabric according to the present invention is the density of the woven fabric, after the moisture is quickly absorbed, diffused by the capillary phenomenon maximized by the nylon release cross-section (A) of Figure 1 constituting one side Due to the difference, the high density silver component-containing nylon micro yarns (B) move and spread to the other side of the fabric and knitted fabric, and thus exhibit excellent water absorption. The silver component of the dead (B) kills various bacteria and staphylococci harmful to the human body, and thus exhibits excellent bactericidal properties.

Example 1

The nylon release cross section 70 denier 24 filament (A) of Figure 1 has a double-sided needle of the cylinder and the dial so that the nylon micro yarn 70 denier 68 filament (B) containing the silver component floats on the other side In a circular knitting machine, a circular knitted fabric was made of an interlock structure using a loop length of the dial-side fiber of 120 mm and a loop length of the cylinder shaft of 150 mm.

At this time, the use ratio (weight ratio) of the nylon release cross-section yarn (A) and the antibacterial functional nylon micro yarn (B) was 45:55.

The knitted fabric prepared by the above method was heated at a temperature increase rate of 1.5 ° C. per minute by adding a conventional refining agent and a water purification agent in a rapid dyeing machine, refined at a temperature of 100 ° C. for 20 minutes, and then 100 ° C. at a temperature increase rate of 1.5 ° C. per minute. After heating for 40 minutes, dyeing at a temperature reduction rate of 1-1.5 ° C per minute, washing with water at 60 ° C, and treating 0.5% by weight of the hydrophilic compound at a temperature of 180 ° C in a heat treatment machine It was.

For the knitted fabric, the bactericidal and absorption transfer rates after 10 washes were measured.

Example 2

Dial in a circular knitting machine having a double-sided needle of a cylinder and a dial such that the nylon release cross section 70 denier 48 filament (A) of FIG. 1 is blown on one side and the nylon micro yarn 70 denier 68 filament (B) containing silver is on the other side. The side fiber loop length was 123 mm and the cylinder side loop length was 152 mm, and the knitting was carried out.

At this time, the mixing ratio (weight ratio) of the nylon release cross section yarn and the antibacterial functional nylon micro yarn was 45:55.

The knitted fabric prepared by the above method was dyed and processed in the same manner as in Example 1, and then the prepared knitted fabric was measured 10 times after washing to determine the bactericidal and absorption transfer rates.

Comparative Example 1

The interlock circular knitted fabric in the same manner as in Example 1 except that the modified nylon yarn 70 denier 24 filaments prepared by blending the absorbent polymer in the yarn spinning step on one side and the nylon micro yarn 70 denier 68 filament on the other side After preparation, the absorption and transfer rates were measured.

Test results of the antimicrobial degree (KS K 0693-2001) of the circular knitted fabric prepared in Example 1 and Example 2 are shown in Table 1.

<Table 1>

Test Item Antimicrobial Measurement (KS K 0693-2001) result Use strain Sample Initial bacterial count (bacterial number / ml) 18 hours later (Bacteria / mL) Bacteriostatic rate (%) Growth rate (times) ATCC33592 Blank 1.3 × 10 ⁵ 7.0 × 10 ' - 538.5 Example 1 1.3 × 10 ⁵ <10 99.9 - Example 2 1.3 × 10 ⁵ <10 99.9 - ATCC4352 Blank 1.3 × 10 ⁵ 8.3 × 10 ' - 638.5 Example 1 1.3 × 10 ⁵ <10 99.9 - Example 2 1.3 × 10 ⁵ <10 99.9 -

As shown in the results of the above antimicrobial test results, one side of the fabric was knitted using a nylon sectional cross-section and the other side was a silver-containing antibacterial functional nylon yarn. K 0905-1996) was found to kill bacterium when the initial strain was 1.2 × 10 ⁵ / ml (1dml strain), and the number of bacteria remaining after 18 hours was <10 and bactericidal reduction reached 99.9%.

The strain ATCC4352 is resistant to Staphylococcus aureus, and even when the initial strain is 1.2 × 10 ⁵ / ml, the rate of bacteriostatic reduction reaches 99.9%, which is applicable even to resistant bacteria.

Table 2 shows the water transfer rates of the circular knitted fabric obtained above.

<Table 2>

Moisture transfer rate (㎡ / sec) Comparative Example 1 3.6 × 10 ^-5 Example 1 6.8 × 10 ^-4 Example 2 6.4 × 10 ^-4

At this time, the measuring method is to fix a certain size of knitted fabric to a box of a certain size (20cm × 20cm) in a box of a dark environment with a relative humidity RH of 60% and a temperature of 25 ° C. The salt transition of l) was added dropwise and the state of the salt solution transferred to the lower part was computed using an image input device (CCD camera), and the water transition area was calculated by calculating the water transition area with time.

The average velocity of the fluid at the rear of the double knit was calculated by substituting the water transition phenomenon at the rear of the double knit.

V (moisture transfer speed (m 2 / sec)) = (front area (m 2 / sec) x thickness of front area (m) / transition time (seconds)) / cross-sectional area (m ² / second)

Double fabrics and knitted fabrics produced by the present invention can quickly discharge the moisture absorbed from one side to the other side to maintain a comfortable and clean state for a long time, as well as easy to propagate microorganisms by moisture, sweat, etc. It is hygienic and comfortable to wear because it kills bacteria etc. under one environment.

In the present invention, since the silver component is present inside the yarn (B), it is excellent in washing durability against bactericidal properties. Woven fabrics of the present invention can be used for sports clothing, uniforms, patient bed sheets or patient clothing.

Claims (4)

Nylon-shaped cross-section multifilament yarn (A) on one side, the silver component-containing nylon micro multifilament yarn (B) in a double weave so as to float on the other side (floating), the single yarn fineness of the yarn (A) is The antimicrobial and water transfer properties of the yarn (B) to be 1.4 or more compared to the single yarn fineness, so that the weaving and knitting density of the yarn (B) is higher than the weaving and knitting density of the yarn (A). Excellent weaving, knitted fabric manufacturing method. The method of claim 1, wherein the single yarn fineness of the nylon release cross-section yarn (A) is 1.5 to 3 denier. The single yarn fineness of the silver component-containing nylon microfiber (B) is 1.1 denier or less, wherein the method for producing a woven or knitted fabric having excellent bactericidal properties and water transfer properties is set forth in claim 1. A nylon woven cross-section multifilament yarn (A) is a double woven or knitted fabric in which a silver component-containing nylon micro multifilament yarn (B) is ejected to the other side, respectively, wherein the single yarn fineness of the yarn (A) is the yarn The single yarn fineness of (B) is also 1.4 or more compared to the ratio, and the weave (B) has a higher density than the weave (A) and the weave density. knitting.