A self-cleaning, oil-removing and antibacterial filament and its application

Abstract

The present invention provides a self-cleaning, oil-removing, antibacterial filament and its application, and relates to the field of functional fiber textile technology. The self-cleaning, oil-removing, antibacterial filament is prepared by spinning inorganic particles mixed with chemical fiber materials, wherein the inorganic particles are obtained by mixing zinc oxide, calcium oxide, heavy calcium carbonate, and calcium hydroxide particles, and the particle size distribution of the inorganic particles is 0.5-3um, and the addition amount of inorganic particles in the self-cleaning, oil-removing, antibacterial filament is 0.5%-1.2%. The present invention overcomes the shortcomings of the prior art, and adds zinc oxide, calcium oxide, heavy calcium carbonate, calcium hydroxide and other components to the masterbatch of chemical fiber materials to ensure the basic textile effect of the fiber while effectively improving the antibacterial self-cleaning effect of the fiber, thereby realizing multiple uses of the final textile fabric.

Description

Technical Field

[0001] The invention relates to the technical field of functional fiber textiles, and in particular to a self-cleaning, oil-removing and antibacterial filament and an application thereof. Background Art

[0002] Most of the existing cleaning fabrics are made of hydrophilic and lipophilic materials such as viscose. In water, the oil film molecules adsorbed on the surface of the washed object are scraped and adsorbed in fragments, and then repelled by the water molecules adsorbed on the more hydrophilic surface. Before they can be connected into sheets or films, the dirt is washed away by the running water to achieve the cleaning effect. Especially when preparing dishwashing towels, viscose filaments, as the functional main material of existing self-cleaning dishwashing towels, basically meet the above self-cleaning dishwashing process, but its hydrophilicity is obviously much stronger than its lipophilicity. It has very good self-cleaning ability for the surface of general metal tableware and ceramic tableware, but its degreasing effect is not as good as that of detergent for coated non-stick pans and the increasing number of plastic tableware surfaces.

[0003] If you use the self-cleaning dishwashing towel made of viscose filament on the market to wash plastic tableware, you can still feel a little greasy on the surface of the tableware, and you can clearly feel the oil film residue. Moreover, the single pure viscose filament material is also easy to swell and absorb moisture in water, and bacteria are easy to breed during storage (the viscose molecule itself is a polysaccharide, and many bacteria can use it as food), which will produce odor, deteriorate and fail, affecting the service life. Therefore, the lifespan of self-cleaning dishwashing towels made of a single viscose filament is generally short, generally not more than ten days or half a month. What's more regrettable is that it cannot remove oil stains on the surface of plastic tableware very well, and it is not a self-cleaning material for all scenarios. To this end, according to the above-mentioned hydrophilic-lipophilic balance self-cleaning degreasing theory and antibacterial and odor inhibition theory, it is necessary to develop a new type of functional chemical fiber filament to be used as a raw material for cleaning fabrics. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a self-cleaning, oil-removing and antibacterial filament and its application. Zinc oxide, calcium oxide, heavy calcium carbonate, calcium hydroxide and other ingredients are added to the masterbatch of chemical fiber materials to ensure the basic textile effect of the fiber while effectively improving the antibacterial and self-cleaning effect of the fiber, thereby realizing the multiple uses of the final textile fabric.

[0005] To achieve the above objectives, the technical solution of the present invention is implemented through the following technical solutions:

[0006] A self-cleaning, oil-removing and antibacterial filament is composed of the following substances in percentage by mass: 0.5%-1.2% inorganic particles and 98.8%-99.5% chemical fiber material; the inorganic particles are zinc oxide, calcium oxide, heavy calcium carbonate and calcium hydroxide particles mixed in a mass ratio of 20-30:60-70:0-3:0-3, and the particle size distribution of the inorganic particles is 0.5-3um.

[0007] Preferably, the chemical fiber material is any one of polyester resin or polylactic acid.

[0008] Preferably, the method for preparing the self-cleaning, oil-removing and antibacterial polyester filament comprises the following steps:

[0009] S1. Preparation of inorganic particles: Mix and disperse zinc oxide, calcium oxide, heavy calcium carbonate and calcium hydroxide particles uniformly to obtain inorganic particles for later use;

[0010] S2. Preparing a chemical fiber masterbatch containing inorganic particles: mixing the above-mentioned inorganic particles with slices / particles of dried chemical fiber material, and putting them into a granulator for granulation to prepare a chemical fiber masterbatch containing inorganic particles for standby use;

[0011] S3. Preparation of chemical fiber filaments: The chemical fiber masterbatch containing inorganic particles is mixed with the chemical fiber material slices / particles, and then the mixture is fully dried, and then spun using a spinning machine to obtain self-cleaning, degreasing and antibacterial filaments.

[0012] Preferably, the content of inorganic particles in the chemical fiber masterbatch containing inorganic particles in step S2 is 18%-25%.

[0013] The prepared self-cleaning, oil-removing and antibacterial filaments are applied to textile cleaning fabrics or clothing fabrics.

[0014] Preferably, the self-cleaning oil-removing antibacterial filaments are spun into FDY fully-drawn filaments for weaving when preparing cleaning fabrics, and the specifications of the FDY fully-drawn filaments are 150-600D / 20-96F.

[0015] Preferably, the self-cleaning, oil-removing and antibacterial filament is prepared into a false-twisted DTY filament when preparing clothing fabrics, and the prepared DTY filament needs to be blown into a medium-net or heavy-net form using high-pressure air before subsequent weaving, and the specification of the DTY filament is 30-100D / 40-80F.

[0016] Preferably, the content of inorganic particles in the DTY filaments is 0.5%-1%, and the particle size of the inorganic particles is in the range of 0.8-1.2 um.

[0017] The present invention provides a self-cleaning, oil-removing and antibacterial filament and its application, which has the following advantages over the prior art:

[0018] The present invention adopts zinc oxide, calcium oxide, heavy calcium carbonate and calcium hydroxide as inorganic particles, adds them into chemical fiber materials, and then spins them to prepare self-cleaning oil-removing antibacterial filaments. Good spinnability is achieved by controlling the addition amount and particle size of the inorganic particles, and fiber breakage or hairiness is prevented, which is convenient for subsequent weaving. The woven fabric can be used to clean oil stains, and the fabric has an antibacterial effect. When used, a good oil stain cleaning effect can be achieved without adding a detergent. At the same time, the spinning specifications and the particle size of the inorganic particles can be controlled to be woven into clothing fabrics, such as underwear, outdoor sports fabrics and other daily textile products, to achieve long-lasting antibacterial and anti-fouling effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a dishwashing towel prepared in an embodiment of the present invention after cleaning oil stains, rinsing with clean water and drying. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention is clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1:

[0022] 1. Preparation of polyester (PES) FDY self-cleaning degreasing antibacterial filament:

[0023] (1) Preparation of inorganic particles: Mix zinc oxide and calcium oxide particles in a mass ratio of 30:70 and grind and sieve to control the particle size distribution to 0.5-3 μm to obtain inorganic particles for use;

[0024] (2) mixing the inorganic particles with dried polyester chips, putting the mixture into a granulator, controlling the inorganic particle content to 18% for granulation, and obtaining a polyester masterbatch containing inorganic particles for later use;

[0025] (3) The polyester masterbatch containing inorganic particles and polyester chips are mixed evenly (the content of inorganic particles is controlled at 1.2%) and then fully dried, and then spun at 290° C. using a spinning machine to prepare self-cleaning deoiled yarn PES FDY with a specification of 300D / 36F.

[0026] 2. Fabric preparation:

[0027] The self-cleaning degreasing silk PES FDY and ordinary PES FDY 125D / 36F were selected as textile silk threads, and the clean fabric was prepared according to the following weaving process:

[0028] The weaving process is as follows:

[0029] 24-needle three-comb warp knitting machine with full weft insertion, open threading, three-comb full weft insertion structure.

[0030] GB3:00 / 55 air-threaded self-cleaning de-oiled yarn PES FDY 300D / 36F, let-off: 2480mm / rack=5.425x

[0031] GB2:10 / 10 open thread ordinary PES FDY 125D / 36F, let-off: 2010mm / rack=4.397x

[0032] GB1:10 / 56 air-threaded self-cleaning de-oiling yarn PES FDY 300D / 36F, let-off: 4060mm / rack=8.881x

[0033] T: One empty and one worn self-cleaning degreasing PES FDY 300D / 36F

[0034] Theoretical weft density: 10.5 yarns / cm (actual weft yarn usage is 10.5 / 2 yarns / cm)

[0035] Theoretical square weight: 139.85+28.85+85.43+17.5=271.63g / m 2 ;

[0036] Get a clean fabric, put the terry side of two clean fabrics outward, sew them back to back and lock the edges around them to form a double-layer terry dish towel, use the dish towel to continuously wash the tableware stained with oil after meals, and the oil can be effectively removed without using detergent. After the oil is removed, rinse and rub the dish towel with clean water and dry it without any oil residue on the dish towel. Figure 1 shown.

[0037] Embodiment 2:

[0038] 1. Preparation of polyester DTY self-cleaning antibacterial filament:

[0039] (1) Preparation of inorganic particles: zinc oxide, calcium oxide, heavy calcium carbonate, and calcium hydroxide particles are mixed in a mass ratio of 20:60:3:3, and ground and sieved to control the particle size distribution to 0.8-1.2 μm, to obtain inorganic particles for use;

[0040] (2) mixing the inorganic particles with dried polyester chips, putting the mixture into a granulator, controlling the inorganic particle content to 25% for granulation, and obtaining a polyester masterbatch containing inorganic particles for later use;

[0041] (3) The polyester masterbatch containing inorganic particles and polyester chips are mixed evenly (the content of inorganic particles is controlled at 1%) and then fully dried, and then spun at 290° C. using a spinning machine to prepare self-cleaning antibacterial yarn PESDTY with a specification of 75D / 48F.

[0042] 2. The self-cleaning antibacterial silk PESDTY is used to weave a clothing fabric using a 34-inch 28-needle double-sided circular knitting machine with 1+1 rib weave;

[0043] The above-mentioned DTY 75D / 48F medium-net high-elastic polyester self-cleaning degreasing yarn is selected and woven with a 34-inch 28-needle double-sided circular machine in a 1+1 rib structure to obtain a grey fabric;

[0044] The grey fabric is washed and pre-shrunk at high temperature and then shaped to a width of 156cm. Its square gram weight is 130±3g / m 2 : The entire water washing and pre-shrinking environment is treated under slightly alkaline conditions and needs to be treated with 1.8g / L of sodium hydroxide. The pH value during the treatment process is not greater than 11.5.

[0045] After treatment, the overall texture is soft and comfortable. It can be cut and prepared into close-fitting underwear with strong sweat conduction. It is more comfortable to wear when sweating. When washing, it can be cleaned by rubbing it directly and quickly in water with your hands. Through mechanical friction and water flushing, it can be cleaned. At the same time, during the drying process, the antibacterial and photocatalytic effects of zinc oxide particles will kill bacteria and decompose oil molecules, making it easy to wear for a long time, pollution-free and safer.

[0046] The fabric can also be used for bedding, outdoor sports fabrics, etc.

[0047] Detection:

[0048] Referring to the preparation process of polyester (PES) FDY self-cleaning degreasing antibacterial filament in the above-mentioned Example 1, multiple groups of formulas are set to control the final content of inorganic particles as shown in Table 1 below:

[0049] Table 1

[0050]

[0051] The above experimental groups were spun according to Example 1, among which experimental group 7 could not achieve spinning, indicating that too much inorganic particles would affect the spinning effect;

[0052] The self-cleaning deoiled yarn PES FDY 300D / 36F spun by experimental groups 1-6 was woven according to Example 1. During the weaving process, the yarn prepared by experimental group 5 produced a small amount of breakage and a small amount of debris when rubbed. The yarn prepared by experimental group 6 produced a large amount of breakage and a large amount of debris when rubbed. Both of them have no practical value.

[0053] Antibacterial testing was performed on the fabrics prepared in the final experimental groups 1-4:

[0054] The antibacterial property test was carried out according to GB / T 20944.3-2008 Evaluation of antibacterial properties of textiles Part 3 Oscillation method. The antibacterial property after contact with the bacterial solution for 18 hours was tested. Candida albicans ATCC 10231, Escherichia coli ATCC 8099, and Staphylococcus aureus ATCC 6538 were selected as the test strains. The specific results are shown in Table 2 below:

[0055] Table 2

[0056]

[0057] As can be seen from the upper right table, when the addition amount of inorganic particles is 0.5%-1.2%, the fiber has a better antibacterial effect.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A self-cleaning, oil-removing and antibacterial filament, characterized in that: The self-cleaning, oil-removing and antibacterial filaments are composed of the following substances in percentage by mass: 0.5%-1.2% inorganic particles and 98.8%-99.5% chemical fiber materials; The inorganic particles are obtained by mixing zinc oxide, calcium oxide, heavy calcium carbonate and calcium hydroxide particles in a mass ratio of 20-30:60-70:0-3:0-3, and the particle size distribution of the inorganic particles is 0.5-3um.

2. The self-cleaning, oil-removing, antibacterial filament according to claim 1, characterized in that: The chemical fiber material is any one of polyester resin and polylactic acid.

3. The self-cleaning, oil-removing, antibacterial filament according to claim 1, characterized in that: The method for preparing the self-cleaning, oil-removing and antibacterial polyester filament comprises the following steps: S1. Preparation of inorganic particles: Mix and disperse zinc oxide, calcium oxide, heavy calcium carbonate and calcium hydroxide particles uniformly to obtain inorganic particles for later use; S2. Preparing a chemical fiber masterbatch containing inorganic particles: mixing the above-mentioned inorganic particles with slices / particles of dried chemical fiber material, and putting them into a granulator for granulation to prepare a chemical fiber masterbatch containing inorganic particles for standby use; S3. Preparation of chemical fiber filaments: The chemical fiber masterbatch containing inorganic particles is mixed with the chemical fiber material slices / particles, and then the mixture is fully dried, and then spun using a spinning machine to obtain self-cleaning, degreasing and antibacterial filaments.

4. The self-cleaning, oil-removing, antibacterial filament according to claim 3, characterized in that: The content of inorganic particles in the chemical fiber masterbatch containing inorganic particles in step S2 is 18%-25%.

5. Use of the self-cleaning, oil-removing and antibacterial filament as claimed in any one of claims 1 to 4 in cleaning fabrics / clothing fabrics.

6. The use according to claim 5, characterized in that: The self-cleaning oil-removing antibacterial filaments are spun into FDY fully-drawn filaments for weaving when preparing cleaning fabrics, and the specifications of the FDY fully-drawn filaments are 150-600D / 20-96F.

7. The use according to claim 5, characterized in that: The self-cleaning, oil-removing and antibacterial filament is prepared into a false-twisted DTY filament when preparing clothing fabrics, and the prepared DTY filament needs to be blown into a medium-net or heavy-net form by high-pressure air before subsequent weaving, and the specification of the DTY filament is 30-100D / 40-80F.

8. The use according to claim 7, characterized in that: The content of inorganic particles in the DTY filaments is 0.5%-1%, and the particle size of the inorganic particles ranges from 0.8 to 1.2 um.

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