KR102505931B1 - Method for manufacturing resource-recycled textile fabric using waste synthetic resin and extile fabric manufactured thereby - Google Patents

Abstract

The present invention relates to a method for manufacturing resource-recycled textile fabric using waste synthetic resin and textile fabric manufactured thereby. The method for manufacturing resource-recycled textile fabric using waste synthetic resin according to an embodiment of the technical idea of the present invention comprises: a waste PET bottle collection and separation step (S100) of separating transparent waste PET bottles after collecting the waste PET bottles; a transparent waste PET bottle washing step (S200) of washing the transparent waste PET bottle with a cleaning solution; a transparent waste PET bottle crushing step (S300) of crushing the washed transparent waste PET bottle; a transparent waste PET bottle melting step (S400) of mixing the pulverized waste PET bottle with a resin mixture and then heating and melting the mixture to produce a waste PET melt; a PET recycled chip manufacturing step (S500) of adding a foaming agent to the waste PET melt and pulverizing the same to produce a PET recycled chip; a fabric manufacturing step (S600) of manufacturing fabric using the PET recycled chip; and a coating step (S700) of manufacturing textile fabric by immersing the fabric in a coating solution and coating the same. According to the configuration, the method for manufacturing resource-recycled textile fabric using waste synthetic resin according to various embodiments of the technical idea of the present invention enables the manufacturing of textile fabrics for furniture using waste synthetic resins such as plastic bottles, which are discarded resources, thereby recycling waste resources. Also, it is possible to manufacture textile fabrics that are excellent for long-term use and durability, and have excellent physical properties such as eco-friendliness, impact resistance, abrasion resistance, and stain resistance.

Description

Manufacturing method of resource recycling textile fabric using waste synthetic resin and textile fabric manufactured thereby

The present invention relates to a method for manufacturing resource recycling textile fabric using waste synthetic resin and to a textile fabric manufactured thereby, and more particularly, by manufacturing textile fabric for furniture using waste synthetic resin such as PET bottles, which are discarded resources, waste resources It relates to a method for manufacturing resource recycled fiber fabric using waste synthetic resin, which is recycled, has excellent long-term use or durability enhancement effect, and has excellent physical properties such as eco-friendliness, impact resistance, abrasion resistance, and stain resistance, and a fiber fabric manufactured thereby.

Efforts to reduce greenhouse gas emissions for the preservation of the global environment are being pursued as a policy, led by developed countries, and the issue of international environmental regulation in response to climate change has expanded and evolved into an economic issue, leading directly to the issue of national competitiveness.

Accordingly, companies around the world place great importance on environmental management and are paying much attention to Eco-Product production and Eco-marketing in order to raise the nation's image and brand image. In particular, in developed countries such as Europe, the use of recycled materials is compulsory, and it is recommended to review and use textile materials using eco-friendly methods first.

In a situation where fundamental countermeasures against the vulnerability of our economy due to the energy and resource depletion crisis are needed, the textile industry is also jumping into the eco-friendly green textile industry market led by advanced countries by using green textile as a new growth engine. As the purchase of various textile products reflecting consumer LOHAS trends is expanding, global textile companies as well as fashion brands are focusing on eco-friendly products, and some domestic and foreign chemical fiber companies are using recycled materials and biodegradable fibers. They are launched one after another, and they are entering a full-fledged competition to preoccupy the eco-friendly textile market.

And as the importance of the environment and resources has recently emerged as an important issue, countries around the world are making great efforts and investments for efficient use and recycling of resources and environmental protection. Among them, the recycling aspect of resources includes both solutions to resource problems and solutions to environmental problems, so its importance is being further emphasized, and various efforts are being made to activate recycling of household waste.

Among recycled products, PET (polyethylene terephthalate) material, among which transparent PET bottles, are recycled products with the highest added value among plastics. there is.

Various proposals have been made for recycling the polyethylene terephthalate (PET) bottle, and the methods can be largely classified as follows.

For example, the chemical recycling method is to chemically decompose waste PET bottles and use them as chemical raw materials. It can be recycled semi-permanently and is optimal in a circular economy, but it is difficult in terms of technology and cost. .

In addition, the material recycling method is to melt and reproduce after sorting the same or different materials, and is an optimal method in terms of cost, but there is a practical problem that thorough sorting is required.

In addition, thermal recycling is reused as thermal energy, and is not recommended as a recycling method because resources cannot be repeatedly used and are burned and carbon dioxide is generated.

On the other hand, in general, various types of furniture are formed by attaching a textile finishing material to protect the surface and impart a pattern and color, and are widely applied as a chair back or seat finishing material, sofa exterior finishing material, or partition exterior finishing material, etc. there is.

These fabric finishing materials in the form of textile fabrics are manufactured in a simple knitted or woven form and are used by attaching them to the surface of furniture through a cutting process. It is difficult to inhibit reproduction and growth, and since it is usually woven through chemical yarn, it can cause new furniture syndrome due to various volatile organic compounds such as formaldehyde.

In addition, most fabric finishing materials are used without an antifouling, water repellent, or waterproof coating layer formed, or even if a coating layer is formed on some of them, they are easily peeled off and discolored in the process of contact with the user's body, making it difficult to secure quality stability and cleanliness. This is not good, and various problems such as shortening the service life occur.

Therefore, the present inventor pre-treats and processes discarded resources, PET bottles, and then uses them to manufacture textile fabrics, thereby recycling waste resources to reduce social costs for the treatment of industrial by-products, and at the same time, eco-friendliness, impact resistance, abrasion resistance, The present invention was completed after confirming that a textile fabric for furniture having excellent physical properties such as stain resistance could be manufactured.

Domestic Patent No. 10-1298142 (registered on August 13, 2013) Domestic Patent Publication No. 10-2017-0128973 (published on November 24, 2017) Domestic Patent Publication No. 10-2022-0117934 (published on August 25, 2022)

The problem to be solved by the present invention is to manufacture textile fabric for furniture using waste synthetic resin, such as PET bottles, which are discarded resources, so that waste resources are recycled, long-term use or durability enhancement effect is excellent, and eco-friendliness, impact resistance, abrasion resistance, It is an object of the present invention to provide a method for manufacturing resource recycled fiber fabric using waste synthetic resin having excellent physical properties such as fouling resistance and a fiber fabric manufactured thereby.

In addition, another problem to be solved by the present invention is to improve antifouling and water repellency, suppress the emission of harmful substances, exhibit excellent antibacterial and antiodor activity, and further extend quality stability and service life. It is to provide a method for manufacturing resource recycled fiber fabric using waste synthetic resin and a fiber fabric manufactured thereby.

Various problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In one embodiment of the technical idea of the present invention, a method for manufacturing a resource recycled fiber fabric using waste synthetic resin is disclosed.

The method for manufacturing resource recycled fiber fabric using the waste synthetic resin includes a waste PET bottle collection and separation step (S100) of collecting waste PET bottles and separating transparent waste PET bottles; A transparent waste PET bottle washing step of washing the transparent waste PET bottle with a washing solution (S200); A transparent waste PET bottle crushing step of crushing the washed transparent waste PET bottle (S300); A transparent waste PET bottle melting step (S400) of mixing the pulverized waste PET bottle with a resin mixture and melting it by heating to prepare a waste PET melt; A PET reclaimed chip manufacturing step (S500) of preparing a reclaimed PET chip by injecting a foaming agent into the waste PET melt and then crushing it; A fabric manufacturing step (S600) of manufacturing a fabric using the recycled PET chip; And a coating step (S700) of preparing a fiber fabric by coating the fabric by immersing it in a coating solution.

In addition, in another embodiment of the technical idea of the present invention, a resource recycled fiber fabric using waste synthetic resin is disclosed.

Details of other embodiments are included in the detailed description.

The manufacturing method of resource recycling textile fabric using waste synthetic resin according to various embodiments of the technical idea of the present invention manufactures furniture textile fabric using waste synthetic resin, such as PET bottles, which are discarded resources, so that waste resources are recycled and used for a long time. However, it is possible to manufacture a fiber fabric having excellent durability enhancing effect and excellent physical properties such as eco-friendliness, impact resistance, abrasion resistance, and stain resistance.

In addition, the method of manufacturing resource recycled fiber fabric using waste synthetic resin according to various embodiments of the technical idea of the present invention improves antifouling and water repellency, suppresses the emission of harmful substances, and has excellent antibacterial and antiodor activity. It is possible to manufacture a fiber fabric capable of exhibiting, and further extending the quality stability and service life.

It will be fully understood that various embodiments of the technical idea of the present invention can provide various effects not specifically mentioned.

1 is a flowchart for explaining a method of manufacturing a resource recycled fiber fabric using waste synthetic resin according to an embodiment of the technical idea of the present invention.

The advantages and features of the present invention, and how to achieve them, will become clear with reference to the detailed description of the embodiments below. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete and the spirit of the present invention will be sufficiently conveyed to those skilled in the art.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with the meanings in the context of the related art, and unless explicitly defined in this application, they should not be interpreted in ideal or excessively formal meanings. don't

Hereinafter, with reference to the accompanying drawings, a method for manufacturing resource recycled fiber fabric using waste synthetic resin according to an embodiment of the technical idea of the present invention will be described in detail with reference to a preferred embodiment.

1 is a flowchart for explaining a method of manufacturing a resource recycled fiber fabric using waste synthetic resin according to an embodiment of the technical idea of the present invention.

Meanwhile, in one embodiment of the technical idea of the present invention, manufacturing textile fabric for furniture using waste synthetic resin is described as an example. For example, waste PET bottles may be used as the waste synthetic resin.

Referring to FIG. 1, a method for manufacturing resource recycled fiber fabric using waste synthetic resin according to an embodiment of the technical idea of the present invention includes a waste PET bottle collection and separation step (S100), a transparent waste PET bottle washing step (S200), It includes a transparent waste PET bottle crushing step (S300), a transparent waste PET bottle melting step (S400), a PET recycling chip manufacturing step (S500), a fabric manufacturing step (S600) and a coating step (S700).

1. Waste PET bottle collection and separation step (S100)

The waste PET bottle collection and separation step (S100) is a step of collecting waste PET bottles and then separating transparent waste PET bottles.

In the waste PET bottle collection and separation step (S100), waste polyethylene terephthalate (PET) bottles, which are discarded resources, are collected, and then transparent waste PET bottles are separated by removing lids, labels, and foreign substances attached to the waste PET bottles. can

2. Transparent waste PET bottle washing step (S200)

The transparent waste PET bottle washing step (S200) is a step of washing the transparent waste PET bottle with a washing solution.

In the transparent waste PET bottle washing step (S200), adhesive components, volatile organic compounds, contaminants, etc. remaining in the transparent waste PET bottle can be removed by washing the transparent waste PET bottle with a washing solution, for example, In the transparent waste PET bottle washing step (S200), the transparent waste PET bottle may be washed by immersing the transparent waste PET bottle in a washing solution at a temperature of 25 to 35 ° C for 10 to 30 minutes.

In addition, in the transparent waste PET bottle washing step (S200), the washing solution includes a thiourea compound, hydrogen peroxide, amino acid, peracetic acid, sodium citrate, succinic acid, a chelating agent, a dispersion stabilizer, and deionized water.

In addition, the washing solution contains 1 to 3% by weight of thiourea compounds, 2 to 4% by weight of hydrogen peroxide, 1.5 to 3.5% by weight of amino acids, 0.1 to 0.3% by weight of acetic acid peroxide, 0.3 to 0.7% by weight of sodium citrate, and 0.1 to 0.5% by weight of succinic acid. %, 0.3 to 0.7% by weight of a chelating agent, 0.05 to 0.15% by weight of a dispersion stabilizer, and deionized water such that the total weight of the total composition of the washing liquid is 100% by weight.

The thiourea compound may be included to ensure that the washing liquid can be stably maintained when washing the transparent waste PET bottle. The thiourea compound is thiourea (NH2) ₂ CS or the general formula (R1R2N) It may include a thiourea derivative represented by C=S (where R1, R2, R3, and R4 are each independently any one selected from a hydrogen atom, an ethyl group, or a methyl group).

The hydrogen peroxide is a material used as an oxidizing agent, and the hydrogen peroxide may play a role in enabling cleaning to be easily performed.

The amino acid may act as a buffer for acidity change and also serve as a sequestering agent for metal ions. For example, the amino acid is an amino acid having 3 to 10 carbon atoms, and the amino acid is isoleucine, arginine, proline, tyrosine, glutamic acid , At least one selected from the group consisting of glutamine and glycine may be used.

The peroxyacetic acid has a molecular formula of CH ₃ COOOH, and is known to have high reactivity and the ability to eradicate various types of bacteria with just a few drops by an oxygen radical. The hydrocarbon end of peroxyacetic acid easily penetrates into microbial cells such as bacteria and decomposes SS and SH bonds inside and outside of microorganisms to induce rapid and effective antibacterial activity.

When the peroxyacetic acid comes into contact with an organic substance, atomic oxygen radicals are generated as shown in the following [Scheme 1], and the generated oxygen radicals oxidize the contacted organic substance to exert a sterilizing effect.

[Scheme 1]

CH ₃ COOOH + H ₂ O ↔ CH ₃ COOH + O ₂

Therefore, in general, peroxyacetic acid is widely used as a cleaner for medical devices to remove pathogenic microorganisms, and is used in various fields such as air conditioner filters, cookware cleaners, and hand cleaners.

The sodium citrate may be included to improve the deodorizing effect and increase stability, and the succinic acid may be included to increase the odor removal efficiency of the sulfur compound-based substance.

The chelating agent may be added to prevent deterioration of the cleaning ability of the cleaning solution and to prevent re-adsorption of foreign substances or metal ions through chemical bonding. For example, the chelating agent is diethylene trinitrilopentaacetic acid. (diethylene trinitrilo pentaacetic acid; DTPA) and glutamic acid-2-acetic acid may be mixed in a weight ratio of 1:1.

The dispersion stabilizer may be used to stabilize the composition of the thiourea compound, hydrogen peroxide, amino acid, peracetic acid, sodium citrate, succinic acid, chelating agent, etc., for example, the dispersion stabilizer is the following [Formula 1 ] can be used.

[Formula 1]

The deionized water is deionized water from which ions in water are removed, and it is preferable to use deionized water having a resistivity value of 18 MΩ·cm or more.

3. Crushing transparent waste PET bottles (S300)

The transparent waste PET bottle crushing step (S300) is a step of crushing the washed transparent waste PET bottle.

In the transparent waste PET bottle pulverization step (S300), the washed transparent waste PET bottle can be pulverized so that it can be uniformly mixed with the mixed resin in a later process. The washed transparent waste PET bottle is pulverized using a known grinder can be performed

Since the configuration of pulverizing the washed transparent waste PET bottle in the transparent waste PET bottle pulverization step (S300) is a known technique, a detailed description thereof will be omitted for convenience of description and clarity of the technical idea of the present invention. .

4. Transparent Waste PET Bottle Melting Step (S400)

The transparent waste PET bottle melting step (S400) is a step of mixing the pulverized waste PET bottle with a resin mixture and then melting it by heating to prepare a waste PET melt.

In the transparent waste PET bottle melting step (S400), the resin mixture includes a polypropylene resin, a nucleating agent and a radical generating agent. The pulverized waste PET bottle and the resin mixture are 180 to 220 parts by weight of the pulverized waste PET bottle, poly Waste PET melt may be prepared by mixing 30 to 70 parts by weight of propylene pen, 1 to 5 parts by weight of a nucleating agent, and 0.1 to 1 part by weight of a radical generator in a weight ratio, and melting by heating at a temperature of 220 to 260 ° C.

The polypropylene may be a homopolymer of propylene or a block or random copolymer with an α-olefin having 2 to 8 carbon atoms, for example, the α-olefin is 1-butene, 1- At least one selected from the group consisting of pentene, 1-hexene, and 1-octene may be used, and the amount of α-olefin copolymerized with propylene is 1 mole of propylene. It may be 0.01 to 30 mol%, the weight average molecular weight of the polypropylene may be 300,000 to 500,000 g / mol, and the melt index may be 0.1 to 10 g / 10 minutes (230 ℃).

The nucleating agent may be used not only to accelerate and refine the crystallization rate of the waste PET melt, but also to improve mechanical properties. For example, the nucleating agent includes polyvinylcycloalkane, poly(3-methyl) -1-butene) or an organic nucleating agent such as a high melting point polymeric nucleating agent of polyalkylenesilane, a benzylidenesorbitol-based nucleating agent, or a rosin-based nucleating agent, and preferably, talc can be used as the nucleating agent. there is.

The radical generator is di-t-butyl peroxide, dicumyl peroxide, 2,5-dimethyl-2,5-di(t-butylperoxy)hexane, 2,5-dimethyl-2,5-di(t -Butylperoxy)hexane, 3-butyl-4,4-bis(t-butylperoxyvalerate), cumylhydroperoxide, lauroylperoxide, t-butylperoxyacetate, t-butylperoxymethylethyl At least one selected from the group consisting of ketone peroxide, t-butylcumyl peroxide and (t-butylperoxy)-butylate may be used.

5. PET regeneration chip manufacturing step (S500)

The PET reclaimed chip manufacturing step (S500) is a step of manufacturing a PET reclaimed chip by adding a foaming agent to the waste PET melt and then crushing it.

In the PET recycling chip manufacturing step (S500), the waste PET melt is transferred to an extruder, the temperature of the extruder is maintained at 180 to 200° C. and the internal pressure is 20 to 22 kg/cm ² , then a foaming agent is added, and the foaming agent is added. While transporting the waste PET melt into which is injected, the temperature is changed to 130 to 150 ° C., the pressure is changed to 70 to 80 kg / cm ² and transferred to a die to prepare a PET foam, and the PET foam is pulverized to produce a PET reclaimed chip. can be manufactured.

At least one selected from azodicarbonamide and stearyl monoglyceride may be used as the blowing agent.

6. Fabric manufacturing step (S600)

The fabric manufacturing step (S600) is a step of manufacturing fabric using the PET recycled chip.

In the fabric manufacturing step (S600), mixed chips are prepared by mixing 80 to 120 parts by weight of polyester chips with respect to 100 parts by weight of the total content of recycled PET chips, and then yarn is prepared using the mixed chips, A fabric may be produced by weaving the yarn.

In the fabric manufacturing step (S600), the yarn is manufactured by using a mixed chip composed of a recycled PET chip and a polyester chip through a conventional process such as melting, spinning, cooling, etc., and the fabric is manufactured by weaving the yarn. However, since the configuration of manufacturing yarn and fabric using the mixed chip is a well-known technique, a detailed description thereof will be omitted for convenience of description and clarity of the technical idea of the present invention.

7. Coating step (S700)

The coating step (S700) is a step of preparing a fiber fabric by coating the fabric by immersing it in a coating solution.

In the coating step (S700), physical properties such as durability, abrasion resistance, stain resistance, etc. can be improved by immersing the fabric in a coating solution and coating the fabric. The coating solution is a thermoplastic polyolefin elastomer (TPO) resin, polybutylene Adipate terephthalate resin (Polybutylene Adipate Terephthalate; PBAT), polyvinyl alcohol, polysiloxane, titania sol, silver nano-zeolite, antibacterial nano powder, expanded graphite powder and 1,3,5-triglycidyl isocyanurate rates may be included.

In addition, the coating solution includes 180 to 220 parts by weight of TPO (Thermo Plastic Polyolefine; thermoplastic polyolefin elastomer) resin, 80 to 120 parts by weight of polybutylene adipate terephthalate (PBAT), and polyvinyl alcohol. ) 30 to 50 parts by weight, 1 to 3 parts by weight of polysiloxane, 2 to 4 parts by weight of titania sol, 0.1 to 1 part by weight of silver nano-zeolite, 1 to 3 parts by weight of antibacterial nanopowder, 1 to 3 parts by weight of expanded graphite powder and 1 ,3,5-triglycidyl isocyanurate may be included in a weight ratio of 0.5 to 1.5 parts by weight.

The TPO (Thermo Plastic Polyolefine; thermoplastic polyolefin elastomer) resin has excellent tensile strength and processability. It has excellent waterproofness and wind resistance, and above all, it is an eco-friendly thermoplastic material and has high mechanical strength.

For example, the TPO (Thermoplastic Polyolefine) resin is from the group consisting of PE (Polyethylene) resin, PP (Polypropylene) resin, polybutylene resin, ethylene-propylene copolymer resin, and ethylene-vinyl alcohol copolymer resin Any one or more selected resins may be used.

The polybutylene adipate terephthalate (PBAT) is a biodegradable bioplastic and is an environmentally friendly material that is 100% decomposed in the ground within 6 months. It can be obtained by condensation polymerization of 4-butanediol, adipic acid and terephthalic acid.

As such a PBAT resin, one directly synthesized by such a general method may be used, or a commercially available resin such as ECOPLEX (BASF) or PBG7070 (Samsung Fine Chemical) may be obtained and used. there is.

In addition, the PBAT resin may have a weight average molecular weight of 150,000 to 400,000. As the PBAT resin has this molecular weight range, the compatibility and processability of the PBAT resin with other materials such as polysiloxane are more excellent It can be, and can exhibit more improved physical properties according to the relatively high molecular weight.

The polyvinyl alcohol has properties such as excellent linearity, flat zig-zag conformation, high crystallinity, excellent alkali resistance that endures even at pH 13.5 or higher, and excellent adhesiveness. Due to these characteristics, polyvinyl alcohol can be applied to polyvinyl alcohol fibers with high strength and high elastic modulus.

The application of polyvinyl alcohol is expanding due to its excellent physical properties and various application ranges as described above. In particular, many studies have been conducted on the production of high-strength and high-elastic modulus gels using polyvinyl alcohol and the production of high-performance polyvinyl alcohol fibers.

As an example, polyvinyl alcohol can be applied to a membrane separation technology using a polymer film. Polymer films are used in a very wide range of fields, including chemical industries, biotechnology, resources, energy, and the environment. In particular, the pervaporation method capable of separating a liquid organic mixture or an organic aqueous solution has many advantages over traditional distillation methods such as energy saving and device miniaturization, and is widely used for the production of anhydrous alcohol and separation of organic mixtures. Therefore, polyvinyl alcohol can be said to have high utilization in the polymer film field.

In addition, polyvinyl alcohol can be applied to a technology for producing microfibers by electrospinning technology. In the method of manufacturing microfibers by electrospinning, a high voltage is applied to a polymer resin solution to induce the formation of a liquid jet in the solution discharged from a spinneret. It is characterized in that fibers having a fine thickness are obtained by continuous stretching.

In particular, when electrospinning technology is used, fiber yarns are accumulated in the collector in the form of a web, which is a three-dimensional network structure. These fine fibers have improved mechanical properties, including high specific surface area and tensile strength, improved chemical properties, and cell biomaterial recognition characteristics. do. Therefore, polyvinyl alcohol can be applied in a wide range of fields, such as industrial materials including microfibers and filters, photochemical sensor materials, biomedical materials, and beauty materials.

The polysiloxane can impart excellent water repellency and water repellency durability to the surface of the fabric fabric by providing excellent water repellency.

The polysiloxane may be represented by the following [Formula 2].

[Formula 2]

In [Formula 2], R ⁴ is each independently a hydrogen atom, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C30 aromatic organic group, an acrylate organic group, an epoxy organic group, or any of these combination, X is a hydrogen atom, a hydrogen sulfide group, a substituted or unsubstituted C1 to C10 alkyl group, an acrylate organic group, an epoxy organic group, or a combination thereof, and n is a weight average molecular weight (Mw) of polysiloxane of 1,000 g /mol to 100,000 g/mol is an integer greater than or equal to 1.

For example, the polysiloxane may include dimethylpolysiloxane and organopolysiloxane, and the dimethylpolysiloxane and organopolysiloxane may be used in combination such that the ratio is 3:7 to 7:3.

The titania sol can increase visible light activity indoors and exhibit excellent air purifying performance under fluorescent light and indoor visible light. After adding 0.25 g of triton X-100 (triton-X (C ₁₄ H ₂₂ O (C ₂ H ₄ O) n)) and stirring at 480 rpm for 45 minutes, titanium tetraisopropoxy 120 g of side (Ti(OC ₃ H ₇ ) ₄ ) was added in 3 portions at 40 g intervals for 3 minutes, stirred at 480 rpm for 75 minutes, and then 15 g of formic acid (HCOOH) and 12 g of 34.5% hydrogen peroxide were sequentially added. It can be prepared by stirring for 4 hours, then adding 0.57 g of sulfur (S) and stirring under reflux for 5 hours at 125 ° C.

Since the configuration of the triton X-100 in the above step is a well-known technique, a detailed description thereof will be omitted for convenience of description and clarity of the technical idea of the present invention.

The silver nano-zeolite is obtained by adsorbing nano-silver to the pores of the zeolite, and as the nano-silver is adsorbed to the pores of the zeolite, the surface area of the silver increases, so that the antibacterial effect of the silver can be increased. In addition, far-infrared rays can also be emitted by the zeolite used as a carrier.

The silver nano-zeolite is prepared by impregnating zeolite powder in silver nano-water mixed with silver nano-zeolite, and preferably, the silver nano-zeolite may have an average particle size of 19,000 to 21,000 mesh.

The antibacterial nanopowder is included in the coating solution and can be used to improve water repellency, durability, and weatherability, and to impart antibacterial and deodorizing properties. It can be prepared by mixing with.

The pure jite nanopowder may be prepared by powdering the shungite so that the particle diameter of the shungite is in the nanometer (nm) unit. The shungite is a material containing SiO ₂ (silicate) and C ₆₀ (fullerene) as main components. As, means a material containing natural fullerenes. A shungite containing 90% or more of fullerene is called elite shungite or noble shungite, and a shungite containing 60% or less of fullerene is called normal shungite.

Representative functions of the sunjit include antioxidant function, electromagnetic wave blocking function, contaminant purification and decomposition function, and sterilization and antibacterial function. Sunjit is a powerful natural antioxidant that has the function of enhancing human immunity against numerous diseases, adsorbs pollutants to purify water and air, and has the ability to self-decompose adsorbed pollutants.

In addition, the sunjit has antibacterial and bactericidal properties, and thus has the function of removing 99% or more of only Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and harmful bacteria, blocks harmful electromagnetic waves, and emits a large amount of far-infrared rays.

In addition, the chilboseong nanopowder can be prepared by powdering the chilbojeok so that the particle diameter is in the nanometer (nm) unit. The seven jewels may have an effect of expanding capillaries, preventing cancer, preventing dementia, and activating cells necessary for human body activities.

In addition, the seven jewels are minerals having seven brilliant colors such as black, red, brown, red, gray, light gray and green, and the chemical main components are SiO ₂ , Al ₂ O ₃ , Fe ₂ O ₃ , FeO , CaO, MgO, Na ₂ O, TiO ₂ , P ₂ O ₅ and MnO are the main components, and it is composed of quartz, feldspar, biotite, muscovite, garnet, apatite, zircon, calcite, chlorite, sericite and other minerals. The radial form is a form in which left and right waves, which are torsion waves, are radiated.

In particular, looking at the compound analyzed for seven jewels, it contains more than 60% of SiO ₂ , so it has an excellent dehumidifying effect, contains a large amount of active alumina, etc., is rich in minerals, and shows a purification effect of neutralizing alkali salts.

The expanded graphite powder is a powdered expanded graphite. In general, graphite is a mineral in which planar macromolecules, in which six-membered rings of carbon atoms are infinitely connected in a plane, are layered and overlapped, and its properties are good conductors of electricity, and poly It is flexible and active due to the layered structure of Sen, and is easily cleaved, but has low reactivity because it is a macromolecule.

However, in graphite, the carbon planes of the polycene structure are only connected by van der Waals forces, and the spacing between carbon atoms is 35.5 nm, compared to 14.2 nm, so other atoms can be inserted into the gaps between the layers to create interlayer compounds. can That is, interlayer compounds are created by inserting many atoms, molecules, or ions into gaps between planes while maintaining the network planes of graphite crystals.

That is, when an interlayer compound or a residual compound obtained by applying an acid such as sulfuric acid between graphite layers is rapidly heated to a temperature close to 1000° C., the acid is vaporized and gas is generated, and the expansion pressure of the gas causes tens to hundreds of graphite layers to pass through. It expands twice as much, which is called expanded graphite.

The 1,3,5-triglycidyl isocyanurate may be used as a curing agent, and the 1,3,5-triglycidyl isocyanurate is included in the coating solution to proceed with a curing reaction to improve mechanical and chemical properties. can be secured

For example, the 1,3,5-triglycidyl isocyanurate preferably has a glass transition temperature (Tg) of -20°C or less and a number average molecular weight (Mn) in the range of 1000 to 1500. do.

Hereinafter, with reference to the accompanying drawings, it will be described in more detail with reference to an embodiment of a method for manufacturing resource recycled fiber fabric using waste synthetic resin according to an embodiment of the technical idea of the present invention.

< Example >

First, waste polyethylene terephthalate (PET) bottles were collected, and transparent waste PET bottles were separated by removing caps, labels, and foreign substances attached to the waste PET bottles.

Next, the transparent waste PET bottle was washed by immersing in a washing solution at 30° C. for 20 minutes.

At this time, the washing solution is thiourea compound 2% by weight, hydrogen peroxide 3% by weight, amino acid 2.5% by weight, peroxyacetic acid 0.2% by weight, sodium citrate 0.5% by weight, succinic acid 0.3% by weight, chelating agent 0.5% by weight, dispersion stabilizer 0.1 and deionized water (90.9% by weight) to make the total composition weight 100% by weight.

Next, the washed transparent waste PET bottle was pulverized, and the pulverized waste PET bottle was mixed with a resin mixture and then melted by heating to prepare a waste PET melt.

At this time, the pulverized waste PET bottle and the resin mixture were mixed in a weight ratio of 200 parts by weight of the pulverized waste PET bottle, 50 parts by weight of polypropylene, 3 parts by weight of a nucleating agent, and 0.5 parts by weight of a radical generator, at a temperature of 240 ° C. Waste PET melt was prepared by melting by heating.

Subsequently, the waste PET melt is transferred to an extruder, the temperature of the extruder is maintained at 190° C. and the internal pressure is 21 kg/cm ² , and then a foaming agent is introduced, and the waste PET melt into which the foaming agent is transferred is transferred to a temperature of 140° C. and the pressure was changed to 75 kg/cm ² , transferred to a die to prepare a PET foam, and the PET foam was pulverized to prepare a PET recycled chip.

Next, mixed chips were prepared by mixing 100 parts by weight of polyester chips with respect to 100 parts by weight of the total content of the recycled PET chips, and then a fabric was manufactured using the mixed chips.

Next, textile fabric for furniture was prepared by immersing and coating the fabric in a coating solution.

At this time, the coating solution includes 200 parts by weight of TPO (Thermo Plastic Polyolefine; thermoplastic polyolefin elastomer) resin, 100 parts by weight of polybutylene adipate terephthalate (PBAT), and 40 parts by weight of polyvinyl alcohol. , 2 parts by weight of polysiloxane, 3 parts by weight of titania sol, 0.5 part by weight of silver nano-zeolite, 2 parts by weight of antibacterial nano powder, 2 parts by weight of expanded graphite powder, and 1 part by weight of 1,3,5-triglycidyl isocyanurate included in proportion.

<Comparative Example>

A fabric for furniture made of polyester was prepared and used as a textile fabric for furniture according to a comparative example.

1. Physical property test

Five fiber fabric samples prepared according to the above Examples and Comparative Examples were prepared and the physical properties were measured, and the results are shown in [Table 1] below.

The result values in [Table 1] below represent the average values of 5 samples.

division Example comparative example measurement method Shading rate (%) 95 78 KS K 0819 Friction fastness 9 6 KS K 0650 Daylight fastness 8 5 KS K ISO 105-B02 Insulation (thermal conductivity) (W/mK) 0.041 0.073 KS K 9102

Referring to [Table 1], it can be seen that the fiber fabrics prepared according to the examples are very excellent in light blocking rate, light fastness, etc., and have excellent thermal insulation properties.

2. Deodorization test

A deodorization test was performed by measuring the gas concentration using a test gas of ammonia and FTIR using the textile fabric prepared according to the above Examples and Comparative Examples, and the results are shown in [Table 2] below.

Test Items Elapsed time (minutes) Comparative Example Concentration (ppm) Example Concentration (ppm) deodorization test 30 540 225 90 526 156 150 511 108 300 493 75

Referring to [Table 2], it is the result of the deodorization test obtained by measuring the gas concentration using the ammonia test gas and FTIR, and it can be seen that the deodorization rate of the textile fabric according to the embodiment improves over time.

3. Antibacterial test

An antibacterial test was performed using the strains Escherichia coil ATCC 25922 and Pseudomonas aeruginosa ATCC 15442 using the fiber fabrics prepared according to the above Examples and Comparative Examples, and the results are shown in [Table 3] below.

Test Items Sample classification initial concentration Concentration after 48 hours (CFU/40p) Test by Escherichia coli comparative example 585 1245 Example 585 210 Test by Pseudomonas comparative example 310 780 Example 310 165

Referring to [Table 3], the fiber fabric according to the comparative example has an increase in bacteria over time, but the fiber fabric according to the embodiment has a decrease in bacteria, so the fiber fabric according to the example has an antibacterial effect. it can be seen that there is

Here, among the units of concentration, CFU means Colony Forming Unit and 40p means 0.04mL.

4. Investigation of the content of volatile organic compounds (VOCs)

The content of volatile organic compounds (VOCs) was investigated for the textile fabric, and the results are shown in [Table 4] below, and the test conditions are as follows.

Test condition and reference

1. Sample preparation: Textile fabric specimen (5cm × 5cm)

2. Sample pretreatment: 2 hours, 65℃

3. Sample processing

3.1 Tedler Bag Size: 3L

3.2 Nitrogen Injection Volume: 3L

3.3 Adsorbent: Tenax TA (VOCs), DNPH catridge (Aldehyde)

3.4 Sampling volume

3.4.1 Aldehyde: 1.5L 3.4.2 VOCs: 1L

4. Analysis conditions (VOCs)

4.1 ATD (Turbomatrix manufactured by Perkin Elmer, USA)

4.1.1 Tube desorption temperature: 280℃ 4.1.2 Desorption time: 15 minutes

4.1.3 Maximum desorption temperature: 280℃ 4.1.4 Minimum desorption temperature: -30℃

4.2 GC/MS

4.2.1 Moving Gas: Helium

4.2.2 Column temperature: 40℃ (2 minutes) → 7℃/min → 220℃ (25 minutes) → 7℃/min → 280℃ (5 minutes)

4.2.3 Column: HP-1, 60m × 0.32mm

5. Analytical Conditions (Aldehyde)

5.1 HPLC

5.1.1 Column: C18 (150mm × 4.6mm ID) 5.1.2 Column temperature: 40℃

5.1.3 Mobile phase: A: Water/THF (8:2,V:V), B: Acetonitrile

5.1.4 Gradient Elution: 0→25min, B 20→60%, 25→40min, B 20% Hold

5.1.5 Flow rate: 1.5 mL/min 5.1.6 Measurement wavelength: 360 nm 5.1.7 Injection amount: 20 μl

<Content of volatile organic compounds; Unit ㎍/㎥ >

division Example Benzene less than 10 Toluene less than 10 Xylene less than 10 Formaldehyde less than 10

Referring to [Table 4], it can be seen that the fiber fabric according to the example has a content of Benzene, Toluene, Xylene, and Formaldehyde of 10 μg / ㎥. As shown in [Table 4], the fiber according to the example It can be seen that the fabric is environmentally friendly as it does not contain harmful substances.

5. Flame retardancy test

The flame retardancy (flammability) of the fiber fabrics prepared according to Examples and Comparative Examples was measured, the measurement criteria for this were shown in [Table 5] below, and the measurement results were shown in [Table 6] below.

Rating Test Items Exam conditions Success Criteria non-combustible material
(1st grade) nonflammable
(Burned by electricity) Temperature difference between maximum temperature and final equilibrium temperature (℃) 750℃,
20 minute burn below 20℃ mass loss rate 30% or less gas hazard Average stop time mouse 9+ minutes Semi-noncombustible material
(Level 2) Cone Calorimeter Total heat release (MJ/m ² ) about 800℃,
10 minute burn Less than 8 MJ/ ^m2 Time in seconds for heat release rate to exceed 20 kW/m ² 10 seconds or less Changes in the total melting of the core material, penetrating cracks and holes, etc. Visually No cracks, holes or melting of core material gas hazard Average stop time mouse 9+ minutes flame retardant material
(Level 3) Cone Calorimeter Total heat release (MJ/m ² ) about 800℃,
5 minute burn Less than 8 MJ/ ^m2 Time in seconds for heat release rate to exceed 20 kW/m ² 10 seconds or less Changes in the total melting of the core material, penetrating cracks and holes, etc. Visually No cracks, holes or melting of core material gas hazard Average stop time mouse 9+ minutes

Example comparative example standard Cone Calorimeter Total emission rate (MJ/m ² ) 5.24 15.2 Less than 8 MJ/ ^m2 Time in seconds for heat release rate to exceed 20 kW/m ² 4 15 10 seconds or less Changes such as total melting of the core material, penetrating cracks and holes doesn't exist has exist No cracks, holes or melting of the core material emitting smoking doesn't exist has exist - Judgment Equivalent to flame retardant level 2 fall short

Referring to [Table 6], it can be seen that the fiber fabrics prepared according to the examples have very low heat emission and excellent flame retardancy.

Although the preferred embodiment of the present invention has been described above, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. You will be able to. Therefore, one embodiment described above should be understood as illustrative in all respects and not limiting.

Claims (5)

A waste PET bottle collection and separation step of collecting waste PET bottles and then separating transparent waste PET bottles (S100);
A transparent waste PET bottle washing step of washing the transparent waste PET bottle with a washing solution (S200);
A transparent waste PET bottle crushing step of crushing the washed transparent waste PET bottle (S300);
A transparent waste PET bottle melting step (S400) of mixing the pulverized waste PET bottle with a resin mixture and melting it by heating to prepare a waste PET melt;
A PET reclaimed chip manufacturing step (S500) of preparing a PET reclaimed chip by adding a foaming agent to the waste PET melt and then crushing it;
A fabric manufacturing step (S600) of manufacturing a fabric using the PET recycled chip; and
A coating step (S700) of preparing a fiber fabric by coating the fabric by immersing it in a coating solution,
In the transparent waste PET bottle washing step (S200), the transparent waste PET bottle is immersed in a washing solution at a temperature of 25 to 35 ° C. for 10 to 30 minutes, and the washing solution is 1 to 3% by weight of a thiourea compound, 2 hydrogen peroxide to 4% by weight, 1.5 to 3.5% by weight of amino acids, 0.1 to 0.3% by weight of peracetic acid, 0.3 to 0.7% by weight of sodium citrate, 0.1 to 0.5% by weight of succinic acid, 0.3 to 0.7% by weight of chelating agent, 0.05 to 0.15% by weight of dispersion stabilizer % and deionized water so that the total weight of the total composition of the washing liquid is 100% by weight.
delete According to claim 1,
In the PET recycling chip manufacturing step (S500), the waste PET melt is transferred to an extruder, the temperature of the extruder is maintained at 180 to 200° C. and the internal pressure is 20 to 22 kg/cm ² , then a foaming agent is added, and the foaming agent is added. While transporting the waste PET melt into which is injected, the temperature is changed to 130 to 150 ° C., the pressure is changed to 70 to 80 kg / cm ² and transferred to a die to prepare a PET foam, and the PET foam is pulverized to produce a PET reclaimed chip. Method for producing a resource recycled fiber fabric using waste synthetic resin, characterized in that for producing.
According to claim 3,
In the fabric manufacturing step (S600), a mixed chip is prepared by mixing 80 to 120 parts by weight of polyester chips with respect to 100 parts by weight of the total content of the recycled PET chips, and then manufacturing a fabric using the mixed chips. Manufacturing method of resource recycling fiber fabric using waste synthetic resin, characterized in that.
A resource recycled fiber fabric using waste synthetic resin, characterized in that it is produced by any one method selected from claim 1, claim 3 or claim 4.

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