KR20230163202A - Functional Given Felt Having Environment Organic Natural Decomposition Effect - Google Patents

Abstract

It is capable of preventing pests and flying dust, and at the same time, it has an excellent natural decomposition effect, so there is no need to collect it after use, and there is almost no secondary environmental pollution damage caused by incineration or reprocessing. Viscose rayon, cotton, natural hemp, polyethylene, poly We provide eco-friendly, biodegradable nonwoven fabrics with functionality, including fiber raw materials made of propylene, natural fibers, adhesives, pigments, and additives.

Description

Eco-friendly natural decomposition nonwoven fabric with functionality {Functional Given Felt Having Environment Organic Natural Decomposition Effect}

The present invention relates to an eco-friendly, naturally degradable nonwoven fabric with added functionality. More specifically, it is capable of improving the soil, preventing pests and diseases, and preventing flying dust, and at the same time has an excellent natural decomposition effect, so it does not need to be collected after use and is not generated during incineration or reprocessing. It is about an eco-friendly, biodegradable non-woven fabric with functionality that causes little secondary environmental pollution damage.

Generally, a mulching film made of polyethylene or polyvinyl chloride is used to cover the surface of the cultivation area when growing crops to prevent soil erosion, maintain soil moisture, control low temperature, suppress weeds, and prevent soil pollution.

However, since conventional mulching films do not naturally decompose, there was a problem in that they had to be collected one by one in the future. In some cases, mulching films made of synthetic degradable materials are used, but because polyethylene and polyvinyl chloride have a long decomposition process, there is a problem in that mulching films accumulate in the soil and contaminate the land.

Accordingly, technology for agricultural soil protection natural nonwoven fabric, which has excellent workability due to its elasticity and is naturally biodegradable after crop cultivation and can supply nutrients to farmland, is disclosed in Registered Patent Publication No. 10-1454576.

Registered Patent Publication No. 10-1454576 includes natural nonwoven fabric for agricultural soil protection; a mineral dyeing layer applied on the natural nonwoven fabric and containing mineral as a main component; It is characterized by comprising a biodegradable coating layer applied on the mineral dyeing layer.

However, nonwoven fabrics as described above have limitations in improving tensile strength and have a slow decomposition rate.

Registered Patent Publication No. 10-1454576

The purpose of the present invention is to provide an eco-friendly, biodegradable nonwoven fabric that has improved tensile strength, is easy to handle, is made of eco-friendly materials, has excellent natural decomposition effect, and is given the functionality of preventing flying dust and pests.

The eco-friendly, biodegradable nonwoven fabric with functionality to achieve the above purpose is characterized by containing fiber raw materials made of viscose rayon, cotton, natural hemp, polyethylene, and polypropylene, natural fibers, adhesives, pigments, and additives. , more preferably, the fiber raw material is 30 to 40% by weight, the natural fiber is 30 to 50% by weight, the adhesive is 15 to 25% by weight, the pigment is 1 to 10% by weight, and the additive is 3 to 15% by weight. It is characterized by being composed of .

The natural fiber is characterized by being extracted from one or more of coconut husk, corn husk, arrowroot vine, and bamboo.

The adhesive is a mixture of polyvinyl alcohol (PVA), alginic acid, gelatin, acrylic polymer, starch, polybutylene adipate/terephthalate (PBAT), phosphate-buffered saline (PBS), soil microbial culture medium, and wood resin. It is characterized by being

The additive is characterized in that it is one or more of peat, sulfur, volcanic stone powder, zeolite powder, silicate powder, water-soluble silicic acid, natural shellfish powder, mica, or silicate aqueous solution.

The technical problems to be achieved by the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

According to the present invention, the effect of suppressing the generation of flying dust due to adhesion to the land due to moisture such as rain or frost is very excellent, and there is no need for collection, so there is an effect of saving manpower and construction costs, and also has an eco-friendly natural decomposition effect. Since there is no need for incineration or reprocessing, it is possible to provide an eco-friendly, naturally degradable dust prevention cloth that causes little secondary environmental pollution damage. As a result, it is possible to resolve the shortcomings of existing products such as Russell net and rice straw leather, which are currently used to prevent flying dust, which are very poor in suppressing flying dust and have many problems with disposal after use.

In addition, when constructing by attaching grass seeds to the dust prevention nonwoven fabric of the present invention, it blocks ultraviolet rays for a certain period of time after construction to maximize the germination rate of weeds and grass seeds, and facilitates the smooth establishment of grass seeds in the soil to minimize loss of soil during rainy weather. After about 30 days, voids are created due to natural decomposition, and as sunlight penetrates between them, weeds and grass grow, which serves to increase the dust suppression effect more quickly.

In addition, since tree resin is used as an adhesive, it has excellent tensile strength, and since peat and sulfur are used as additives, it is possible to provide effects such as soil improvement and pest prevention.

Figure 1 is a diagram showing the state of natural decomposition after application of the eco-friendly, biodegradable nonwoven with functionality according to Example 1 of the present invention.

Hereinafter, the present invention will be described in detail, and detailed descriptions of well-known functions and configurations that may unnecessarily obscure the gist of the present invention will be omitted.

The functional, eco-friendly, biodegradable nonwoven fabric of the present invention is characterized by containing fiber raw materials made of viscose rayon, cotton, natural hemp, polyethylene, and polypropylene, natural fiber, adhesive, pigment, and additives.

Hereinafter, as an example of an eco-friendly, naturally degradable nonwoven fabric imparted with the functionality of the present invention, the components that can be included, their specific composition ratio, and the manufacturing process according to one embodiment will be examined in detail as follows.

(Components of eco-friendly, biodegradable nonwoven fabric with added functionality and their specific composition ratio)

1. Fiber raw materials

In the present invention, fiber raw materials consisting of viscose rayon, cotton, natural hemp, polyethylene, and polypropylene are used.

To explain, the viscose rayon is obtained from wood pulp, is relatively cheap, has cellulose as its base material, and has the characteristics of high absorbency, softness, easy dyeing, and natural decomposition.

The cotton can supply a lot of organic matter to the soil and help properly control the humidity of the soil.

The natural hemp is one of the oldest fibers used by mankind. In particular, among natural fibers, it has excellent breathability and moisture absorption and dissipation, so it is the coolest fiber and is not easily contaminated, so it is widely used as luxury clothing for summer. However, this type of hemp has knots, so it is difficult to spin into a fine yarn, and has the disadvantage of being prone to wrinkles. Therefore, in order to prevent wrinkles and straighten well, it is blended with other fiber materials such as synthetic fibers or specially processed to overcome this deficiency. It needs to be supplemented to be used as a high-quality summer clothing. Such natural hemp includes kenaf (sheep horse) and jute. In the present invention, at least one of these hemp or jute is used, and more preferably, it is best to mix sheep hemp and jute in the same ratio.

The natural fiber raw materials composed in this way have excellent natural decomposition properties and can increase the germination rate of weeds and grass seeds by controlling the humidity of the soil and providing ventilation. Therefore, based on the total weight of the fiber raw materials, it is best to include 20 to 40% by weight of the viscose rayon, 20 to 40% by weight of the cotton, and 20 to 40% by weight of the natural hemp. If it exceeds this, weeds or grass are included. It has some effect on the seed germination rate.

The natural fibers constructed in this way have excellent natural decomposition ability and have the effect of increasing the germination rate of weeds and grass seeds as described above, but it is difficult to obtain the anti-microscopic effect.

Accordingly, in the present invention, polyethylene and polypropylene, which are fiber materials with excellent static electricity generation, are used as fiber raw materials. In other words, when flying dust passes through the nonwoven fabric of the present invention, the polyethylene and polypropylene pass between the polyethylene and polypropylene fiber raw materials, which are excellent in generating static electricity, thereby maximizing the role of catching fine dust or flying dust. do. However, since polyethylene and polypropylene are materials with somewhat poor natural degradability, it is important to mix them appropriately within the standards for eco-friendly nonwovens. Therefore, based on the total weight of the fiber raw material, it is important to configure the fiber raw material by including 5 to 10% by weight of polyethylene and 5 to 10% by weight of polypropylene. When contained within the above weight range, the nonwoven fabric of the present invention Natural decomposition is possible, and if the weight exceeds the above weight range, natural decomposition becomes difficult.

The fiber raw material composed in this way is characterized in that it is contained in 30 to 40% by weight based on the total weight of the nonwoven fabric. When included in the above range, it is naturally decomposed, has an ultraviolet ray blocking function, has a high tensile strength, and has a dust prevention function. You will also have

In other words, if the fiber raw material is contained in less than 30% by weight, it affects the tensile strength or reduces the UV blocking ability and lowers the grass seed germination rate, making it difficult to obtain the desired effect of the present invention. If it exceeds 40% by weight, Natural decomposition ability is somewhat reduced.

2. Natural fiber

Natural fiber is extracted from one or more of coconut husk, corn husk, arrowroot vine, and bamboo. When used in non-woven fabrics, it is easily biodegradable and has the characteristics of improved tensile strength.

These natural fibers are characterized in that they contain 30 to 50% by weight. When contained in the above range, natural decomposition of the non-woven fabric can be smoothly achieved, and the tensile strength of the manufactured non-woven fabric is improved.

In other words, if the content of the natural fiber is less than 30% by weight, there is a risk that flexibility and tensile strength will decrease, making installation and construction difficult, and if it exceeds 50% by weight, the content of other materials will be relatively high. As the amount decreases, the dust prevention effectiveness decreases or the bonding power of the non-woven fabric decreases, which causes the problem of easy scattering in low humidity and rainy seasons. Therefore, the natural fiber is preferably contained in 30 to 50% by weight based on the total weight of the non-woven fabric.

3. Adhesive

The adhesive adds the adhesive ability of the nonwoven fabric itself, allowing it to be attached without a separate fixing pin, and at the same time improving the mechanical properties such as tensile strength and elasticity of the fiber raw material.

Accordingly, the nonwoven fabric of the present invention includes polyvinyl alcohol (PVA), alginic acid, gelatin, acrylic polymer, starch, polybutylene adipate/terephthalate (PBAT), phosphate-buffered saline (PBS), and soil microbial culture medium as the adhesive. Characterized in that it is a mixture of 30 to 40% by weight of the polyvinyl alcohol (PVA), 30 to 40% by weight of the alginic acid, 1 to 10% by weight of the gelatin, 1 to 10% by weight of the acrylic polymer, and 1 to 10% by weight of the acrylic polymer. 10 to 20% by weight of starch, 15 to 20% by weight of polybutylene adipate-co-terephthalate (PBAT), 1 to 10% by weight of phosphate buffered saline (PBS), and the above useful It is characterized by a mixture of 1 to 10% by weight of microbial culture medium.

To explain, polyvinyl alcohol (PVA) is a biodegradable and water-soluble polymer known to have excellent film forming, emulsion, and adhesive properties. In the present invention, if PVA is used less than the above range, it is not easy to mold the non-woven fabric, and if more PVA is used, it decomposes too quickly after construction, reducing the effectiveness of the non-woven fabric.

The alginic acid is a type of polysaccharide contained in seaweed and acts as a dehumidifier. Accordingly, in the present invention, if alginic acid is used in a smaller amount than the above range, the dehumidifying role will not be performed properly, and there is a risk of some mold forming after construction. If more than that is used, the dehumidification will be too much, which will have a negative effect on crop growth.

The gelatin is a type of derived protein obtained by extracting collagen, a natural protein that constitutes animal skin, tendons, cartilage, etc., and is extracted by boiling cow or pork skin in boiling water after treatment with alkali or acid. Since the gelatin used in the present invention is not intended for direct consumption, gelatin that has been purified to the extent that it contains no toxic or harmful ingredients can be used. If gelatin is used less than the above range, the tensile strength of the final nonwoven fabric is not improved, and if more gelatin is used, the nonwoven fabric becomes too stiff, which poses a problem in use.

Acrylic polymer forms a protective film and blocks the adsorption of harmful substances and fine dust in the air. Accordingly, the acrylic polymers used in the present invention are acrylate/dimethicone copolymer, acrylate/dimethicone methacrylate copolymer, and acrylate/polytrimethylsiloxymethacrylic. It may contain one or more of acrylate/polytrimethylsiloxymethacrylate copolymer. When the silicone-acrylic polymer is included, a protective film is formed on the surface, preventing the adsorption of fine dust in the air. For example, the silicone-acrylic polymer may include an acrylate/polytrimethylsiloxymethacrylate copolymer.

If the acrylic polymer is used less than the above range, it is difficult to obtain increased dust protection, and if more is used, the dust protection effect reaches almost saturation level, making it uneconomical.

Starch is a natural polymer that is highly biodegradable and does not produce toxic substances. The starch is not only easy to supply due to its low price and abundant manufacturing resources, but also has the advantage of being applicable to the adhesive field because it gelatinizes and exhibits adhesive properties when heat or pressure is applied. The gelatinization means that the physical state of starch changes with water and heat. However, the starch is very sensitive to water, so it has poor water resistance and has the disadvantage that its physical properties easily change depending on atmospheric humidity. Therefore, the starch must be used within the above range, and if used less than the above range, the adhesive properties will deteriorate, and if used more than the above range, the starch will greatly affect the change in physical state due to water, thereby reducing its commercial value.

Polybutylene adipate/terephthalate (PBAT, polybutylene adipate-co-terephthalate) is a type of aliphatic polyester polymer that has excellent biodegradability and serves to compensate for the weaknesses in the physical properties of PVA. Accordingly, in the present invention, the PBAT component must be used within the above range and must be used together with the starch material. Accordingly, if the PBAT component is used less than the above range, the content of starch material relatively increases, and the hygroscopicity due to starch becomes excessively high, which may lead to a decrease in physical properties. If more than the above range is used, this also becomes a disadvantage of PBAT's own physical properties. This makes it difficult to commercialize it.

Phosphate-buffered saline (PBS) serves as a buffer and allows various adhesive materials to be mixed well as described above. Accordingly, if the phosphate-buffered saline solution is used less than the above range, the adhesive components do not mix easily, and if more than the above range is used, a separate drying process must be performed, which may cause deformation of the physical properties of the nonwoven fabric itself. .

Soil microbial culture medium refers to microorganisms that promote the decomposition of organic matter in the soil. Types include yeast, cellulose-decomposing bacteria, nitrogen-fixing bacteria, filamentous bacteria, lactic acid bacteria, Bacillus subtilis, Aspergillus aspergillus (aspergillus mold), and methane oxidation. Bacteria, radiating bacteria, cellulose-radiating bacteria, cellulose-firing bacteria, white rot bacteria (lignin-decomposing bacteria), iron-oxidizing bacteria, iron-reducing bacteria, sulfate-reducing bacteria, radiation bacteria, sulfur bacteria, nitrifying bacteria, manganese-oxidizing bacteria, ammonia-oxidizing bacteria, organic nutrient bacteria. There are a total of more than 120 species, mainly including sulfite bacteria, manganese reducing bacteria, photosynthetic bacteria, soil actinomycetes, fibroid bacteria, chitin-decomposing bacteria, gelatin-decomposing bacteria, and collagen-degrading bacteria. In the present invention, any soil microorganism that exhibits the ability to decompose organic matter is applied. It is also irrelevant.

These soil microorganisms play a role in promoting the natural decomposition ability of the nonwoven fabric of the present invention and at the same time prevent environmental pollution by releasing soil microorganisms, and are characterized in that they are provided in the form of a culture medium, and the culture medium contains about It is better to cluster it in 1×10 ² ~10 ⁶ .

If this soil microbial culture solution is used less than the above range, it is difficult to obtain the above efficacy because the soil microorganisms released are small, and if it is used more than the above range, it is in liquid form and must go through a separate drying process, so the physical properties of the nonwoven fabric itself are reduced. This also makes it difficult to obtain the above-mentioned efficacy due to deformation or extinction of soil microorganisms.

As an adhesive, one or more types of rubber tree resin, pine tree resin, fir tree resin, and cypress resin may be additionally used.

The adhesive comprised in this way is characterized in that it contains 15 to 25% by weight based on the total weight of the non-woven fabric. When included in the above range, the viscosity is improved and fluidity is secured, making work easier, and increasing the adhesive force to bind the fiber. It is possible to improve mechanical properties such as tensile strength and elasticity of raw materials.

In other words, if the adhesive content is less than 15% by weight, the ease of work is reduced, and if it exceeds 25% by weight, cracks may occur in the nonwoven fabric itself, which may reduce marketability.

4. Pigment

Pigments play a role in coloring non-woven fabrics. However, in the present invention, it is best to apply carbon black, which is more preferably black, in order to apply pigment to the nonwoven fabric and achieve fine dust prevention effects at the same time.

In other words, the carbon black has excellent adsorption capacity, which helps prevent not only fine dust but also flying dust. In addition, the black color that appears at this time has the effect of protecting crops from ultraviolet rays and direct sunlight until the nonwoven fabric decomposes, thereby helping plant growth and germination. Therefore, it is best that the pigment is contained in an amount of 1 to 10% by weight. If the pigment is contained in less than 1% by weight, it is difficult to expect a synergistic effect on the dust prevention function, and the pigment content is too low, so it is harmful to crops. The protective effect also decreases.

In addition, if the pigment exceeds 10% by weight, it is difficult to obtain increased efficacy for the excess content, making it uneconomical.

5. Additives

As an additive, one or a mixture of two or more of volcanic stone powder, zeolite powder, silicate powder, water-soluble silicic acid, natural shell powder, mica or silicate aqueous solution, peat, and sulfur powder is used, and volcanic stone powder or zeolite powder with good absorption ability is used. As it is used, it can absorb contaminants and improve endurance. In addition, when an aqueous silicate solution is added, the antibacterial effect is improved and can serve to dilute harmful components that may remain in the mixture of the present invention, thereby improving soil quality.

The additive composed in this way is characterized in that it is contained in 3 to 15% by weight based on the total weight of the nonwoven fabric. When included within the above range, the soil strength is improved and the growth of crops can be further improved. In this case, it becomes difficult to have a positive effect on crop growth.

The eco-friendly, biodegradable cotton cloth imparted with functionality according to the present invention can be manufactured in the form of felt, is composed mostly of natural materials, can prevent fine dust or flying dust, and allows the soil to breathe even after construction. It has the advantage of not requiring a separate removal process as it is naturally decomposed by soil microorganisms. As a result, it is possible to resolve the shortcomings of existing products such as Russell net and rice straw leather, which are currently used to prevent flying dust, which are very poor in suppressing flying dust and have many problems with disposal after use.

In other words, in the case of the existing product Russell net, it must be collected separately after use, the raw materials are also composed of chemicals, dust is generated, and fixing pins are required during construction, whereas the non-woven fabric of the present invention is naturally decomposed and does not need to be collected separately after construction. Since it is made of natural material, it does not cause environmental pollution and has excellent dust prevention ability. Fixing pins may or may not be necessary depending on the area, and it has the advantage of being inexpensive in terms of cost.

In addition, it prevents environmental pollution by releasing soil microorganisms. In particular, non-woven fabric blocks the penetration of sunlight, so when constructing by attaching grass seeds to the non-woven fabric, it blocks ultraviolet rays for a certain period of time after construction, maximizing the germination rate of weeds and grass seeds. Grass seeds can settle smoothly in the soil, minimizing the occurrence of lost soil during rainy weather. After about 30 days, natural decomposition creates pores, and as sunlight penetrates between them, weeds and grass grow, further enhancing the dust suppression effect. It plays a role in quickly rising.

Furthermore, peat, which is coal that has not been completely carbonized because it has not been buried in the ground for a long time, has a beneficial effect on crops and soil, and sulfur can improve and sterilize the soil, promote plant growth, and activate roots. do

Hereinafter, the present invention will be described in more detail through examples and experimental examples. However, these examples and experimental examples are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

<Examples 1 to 5 and Comparative Examples 1 to 5> Production of anti-dust nonwoven fabrics 1 to 10

First, we prepared fiber raw materials containing 30% viscose rayon, 30% cotton, 30% natural hemp (a mixture of sheep hemp and jute in a 1:1 weight ratio), 5% polyethylene, and 5% polypropylene.

Next, natural fiber was prepared by mixing fiber extracted from coconut shell (Cocona Corporation (USA)) and fiber extracted from palm bark at a weight ratio of 1:1.

Next, 30% polyvinyl alcohol (PVA), 30% alginic acid, 5% gelatin, 3% acrylic polymer, 10% starch, 20% polybutylene adipate/terephthalate (PBAT), phosphate buffered saline (PBS). ) An adhesive mixed with 1% and 1% soil microbial culture solution was prepared.

Next, carbon black was prepared as a pigment.

Next, an additive was prepared by mixing zeolite powder and silicate aqueous solution at a weight ratio of 1:1.

Next, various anti-dust nonwoven fabrics (anti-dust nonwoven fabrics 1 to 10) were manufactured using the prepared fiber raw materials, natural fibers, adhesives, pigments, and additives through the following process. At this time, the prepared fiber raw materials, natural fibers, adhesives, pigments and additives were mixed and manufactured according to the mixing composition in Table 1 below.

division Fiber raw materials
(% natural fiber
(%) glue
(%) pigment
(%) additive
(%) note Example 1 30 35 25 2 8 Example 2 31 39 18 2 10 Example 3 30 35 21 2 12 Example 4 32 31 25 2 10 Example 5 34 46 15 2 3 Comparative Example 1 - 36 27 - 8 Add 29% water Comparative example 2 29 - 24 - 10 Add 37% water Comparative example 3 24 - 25 - 7 Add 44% water Comparative Example 4 26 27 5 - - Add 42% water Comparative Example 5 25 38 27 - - Add 10% water

<Experimental Example 1> Confirmation of tensile strength and resolution

1. Experimental method

The tensile strength and resolution were confirmed for the dust-prevention nonwoven fabrics of Examples 1 to 5 and Comparative Examples 1 to 5.

At this time, the tensile strength was measured using a tensile tester at a tensile speed of 10 mm/min at a temperature of 23±2°C and a relative humidity of 50±2%, and the unit was expressed as kg/mm ² .

The decomposition power was determined visually to determine the degree to which the anti-dust nonwoven fabric was decomposed 100 days after application in nature.

2. Experiment results

The experimental results were shown in Table 2 and Figure 1 below.

division Tensile strength (kg/mm ² ) Decomposition degree (based on 100 days) Example 1 6.8 100% Example 2 7 100% Example 3 7.7 100% Example 4 7.2 100% Example 5 7 100% Comparative Example 1 4.2 100% Comparative example 2 4.1 100% Comparative example 3 3.8 100% Comparative example 4 3.9 100% Comparative Example 5 4.5 100%

As shown in Table 2 above, in the case of Examples 1 to 5 and Comparative Examples 1 to 5, natural decomposition ability was observed, but it was confirmed that there was a significant difference in tensile strength.

In other words, in the case of Comparative Examples 1 to 5, the tensile strength was 4 kg/mm ² or less, indicating that the ease of construction was low, whereas in the case of Examples 1 to 5, the tensile strength was 6.5 kg/mm ² or more. As shown, it can be seen that there is a difference in ease of construction depending on the content of the non-woven material for preventing dust.

In addition, as shown in Figure 2, in the case of the dust-prevention nonwoven fabric of Example 1, the degree of decomposition was checked for 60 days after construction. As a result, natural decomposition occurred after about 30 days, creating voids, and sunlight penetrated through them. It can be seen that after 60 days of construction, weeds and grass grow and play a role in increasing the dust suppression effect more quickly.

<Experimental Example 2> Confirmation of dust blocking effect

1. Experimental method

To measure the effect of blocking fine dust, purchase a mask with an internal filter, insert the internal filter with the anti-dust nonwoven fabric of Example 1 and the anti-dust nonwoven fabric of Comparative Example 1, and remove the dust from the mask without a filter and the mask with a filter. The capture efficiency was measured. Here, dust collection efficiency refers to the rate at which a mask filters out small dust when a person breathes in air.

2. Experiment results

The above experimental results were shown in Table 3 below.

division Non-applied mask Example 1 Comparative Example 1 Comparative example 4 Dust collection efficiency (%) 85.2 97.1 80.2 75.4

As shown in Table 3, the dust collection efficiency was found to be highest in the mask provided with the anti-dust nonwoven fabric of Example 1.

In this way, according to the present invention, an eco-friendly, naturally degradable nonwoven fabric is created that prevents flying dust and has excellent natural decomposition effect, so it does not need to be collected after use, and is functionally endowed with almost no secondary environmental pollution damage caused by incineration or reprocessing. You can see that it can be provided.

The above-described present invention has been examined with a focus on preferred embodiments and experimental examples, and those skilled in the art may implement forms different from the detailed description of the present invention within the essential technical scope of the present invention. Examples can be implemented. Here, the essential technical scope of the present invention is indicated in the patent claims, and all differences within the equivalent scope should be construed as being included in the present invention.

Claims (7)

Fiber raw materials consisting of viscose rayon, cotton, natural hemp, polyethylene, and polypropylene, including natural fibers, adhesives, pigments, and additives.
Eco-friendly, biodegradable non-woven fabric with added functionality. According to paragraph 1,
The nonwoven fabric contains 30 to 40% by weight of the fiber raw material, 30 to 50% by weight of the natural fiber, 15 to 25% by weight of the adhesive, 1 to 10% by weight of the pigment, and 3 to 15% by weight of the additive. Characterized by the inclusion of
Eco-friendly, biodegradable dust prevention cloth. According to paragraph 1,
The fiber raw materials include 20 to 40% by weight of viscose rayon, 20 to 40% by weight of cotton, 20 to 40% by weight of natural hemp, 5 to 10% by weight of polyethylene, and 5 to 10% by weight of polypropylene. Characterized by being composed of,
Eco-friendly, biodegradable non-woven fabric with added functionality. According to paragraph 1,
The natural fiber is characterized in that it is extracted from one or more of coconut husk, corn husk, arrowroot vine, and bamboo.
Eco-friendly, biodegradable non-woven fabric with added functionality. According to paragraph 1,
The adhesive consists of a mixture of wood resin, polyvinyl alcohol (PVA), alginic acid, gelatin, acrylic polymer, starch, polybutylene adipate/terephthalate (PBAT), phosphate-buffered saline (PBS), and soil microbial culture medium. Characterized by being
Eco-friendly, biodegradable non-woven fabric with added functionality. According to paragraph 1,
The pigment is characterized in that it is carbon black,
Eco-friendly, biodegradable non-woven fabric with added functionality. According to paragraph 1,
The additive is characterized in that it is one or more of peat, sulfur powder, volcanic stone powder, zeolite powder, silicate powder, water-soluble silicic acid, natural shellfish powder, mica, or silicate aqueous solution.
Eco-friendly, biodegradable non-woven fabric with added functionality.