KR101799635B1

KR101799635B1 - Manufacturing method of artificial turf

Info

Publication number: KR101799635B1
Application number: KR1020150042737A
Authority: KR
Inventors: 오종찬
Original assignee: 오종찬
Priority date: 2015-03-26
Filing date: 2015-03-26
Publication date: 2017-11-20
Also published as: KR20160115328A

Abstract

The present invention uses an artificial turf coating liquid to which a wood vinegar and an acrylate copolymer are added in order to implement a series of processes for producing artificial turf. However, since artificial turf is implemented by adopting such artificial turf coating liquid, Artificial turf coating solution which can maximize the pulling power and retention retention rate of artificial turf pile and can provide an efficient space to induce users to feel more comfortable and stable state due to the antibacterial and insecticidal functions derived from the vinegar component The present invention relates to a method for producing artificial turf and an artificial turf produced by the method. More particularly, the present invention relates to an acrylate copolymer, styrene-butadiene latex, zinc oxide, calcium carbonate (CaCO ₃ ) , A thickener, water, fillers, and a flame retardant agent. , And a pest control function is retained by adding a vinegar solution.

Description

[0001] The present invention relates to a process for producing an artificial turf coating solution having an insect repellent function, and a manufacturing method of artificial turf,

The present invention relates to an artificial turf, which is commonly used for convenience or health promotion in indoor and outdoor areas. In carrying out a series of processes for producing artificial turf, an artificial turf coating fluid to which a wood vinegar and an acrylate copolymer are added is used. The adoption of artificial turf coating solution maximizes the pulling power and draw retention rate of artificial turf pile for artificial turf bubbles according to realization of artificial turf, as well as antibacterial and insecticidal functions derived from vinegar composition, To an artificial turf coating solution which can provide an efficient space so as to induce a chilling in a stable state, and an artificial turf manufactured thereby.

Artificial turf that can substitute for natural turf has been spreading continuously in order to escape the limitation of the use place and the use time of the athletic field by the improvement of the athletic performance and the prevention of the injury of the human body due to the increase in daily living sports activity population.

The synthetic turf may be produced by manufacturing an artificial turf yarn with a polymer resin such as polyester, polypropylene, nylon, etc., and then tufting the synthetic turf yarn into a polypropylene or polyester base fabric to form an artificial turf file, In order to form a pulling force so as not to be pulled out from the artificial turf gear, a coating material composed of a latex or a polyurethane material of styrene butadiene rubber (SBR) type is applied (back coated) to artificial turf bubbles, .

In order to use the synthetic grass mats for various athletic field applications, a base layer such as aggregate, asphalt, and concrete should be formed, and an accessory for drainage should be provided. In addition, an artificial grass mat is installed on the base layer, To maintain the upright state and improve the performance and to prevent injury by raising the shock absorbing power. The rubber filling layer for filling the silica sand between the synthetic grass piles and the rubber chip for filling the rubber filling material on the silica filling layer Layer.

For example, Japanese Patent No. 1295230 entitled " Foam-type Eco-friendly Filler for Artificial Turf and Method of Manufacturing the Same "

However, according to all conventional arts including the above-mentioned registered patent, there are only two types of back coating materials of artificial turf mat, namely, latex and polyurethane. Among them, latex coating materials have problems in exhibiting strong adhesive force and pulling force, It has been pointed out that degradation of the pulling power is caused by exposure to long term weather conditions such as rain, snow, high temperature and low temperature, and the limitation of reducing the fatigue of artificial turf users due to the specific smell of rubber chemical products is pointed out. In addition, when artificial turf reaches the service life, it has difficulties in recycling at the time of disposal.

On the other hand, polyurethane has the advantage of exhibiting durability even under long climatic conditions, but the most problem is that it is not universally usable because it is expensive.

Accordingly, there is an urgent need for improved artificial turf which is economical and can increase the recycling rate while increasing the environmental friendliness and durability of artificial turf according to the increasing amount of artificial turf and the increase of artificial turf users.

It is an object of the present invention to provide an artificial turf coating liquid which is produced to more positively solve the above problems, and which has a function of antimicrobial, insect repellent, and the like by causing a wood vinegar component to be exerted on artificial turf.

Another object of the present invention is to provide an artificial turf coating liquid in which the recycling rate due to maximization of durability is increased positively and the self-extracting force or adhesive force is supplemented or enhanced due to the characteristics of the material of the predetermined material.

In addition, another solution is to propose a method of manufacturing artificial turf which is more improved by positively utilizing the artificial turf coating solution.

In order to accomplish the above object, the present invention provides a process for producing an artificial turf coating liquid having a pest control function and a synthetic turf fabricated thereby,

The method for producing an artificial turf coating solution having a pest control function according to the present invention is characterized by using an acrylate copolymer, styrene-butadiene latex, zinc oxide, calcium carbonate CaCO ₃ ), a thickener, water, fillers, and a flame retardant agent, and the pest control function is retained by adding a vinegar solution.

For this, 20 to 22.9% by weight of styrene-butadiene latex, 1 to 1.5% by weight of an acrylate copolymer, 1 to 1.2% by weight of zinc oxide, (CaCO ₃₎ and 32 ~ 32.5% by weight, thickening agents, 1-1.5% by weight, and water 21 ~ 21.5% by weight, fillers (fillers) and 20 ~ 20.3% by weight, 1 to 1.2% by weight of flame retardant (Flame retardant agent) and And 0.1 to 0.3% by weight of a woodpecker .

Meanwhile, the artificial turf produced by the process for producing artificial turf coating solution having a pest control function proposed in the present invention may be a polyolefin-based material including polyester or polypropylene, a polyamide-based material including nylon A second step of forming artificial turf bubbles by using a polyolefin-based material including polypropylene or polyester, and a second step of forming a synthetic turf base material by using tufting, lacquer, a third step of napped any one of the methods in synthetic artificial turf file weaving whether grass bubbles of moquette; and a artificial turf files are napped the artificial grass group opposite front and / or a styrene for the rear-butadiene latex (styrene-butadiene latex ), 20 to 22.9% by weight of an acrylate copolymer, 1 to 1.5% by weight of an acrylate copolymer, 1 to 1.2% by weight of zinc oxide, calcium carbonate (Ca CO ₃ ), 1 to 1.5 wt% of a thickener, 21 to 21.5 wt% of water, 20 to 20.3 wt% of fillers, 1 to 1.2 wt% of a flame retardant agent, A fourth step of applying a coating solution prepared by mixing 0.1 to 0.3% by weight of the synthetic base foam, and a fifth step of curing the coating solution applied to the artificial grass foam paper by a hot air or infrared method for 30 minutes under a temperature condition of 60 to 175 캜; .

According to the present invention, which is realized with the above-described structure, not only the functionality of antimicrobial and insecticide is retained by allowing the vinegar component to be exerted on artificial turf, but also the recycling rate due to maximization of the durability is increased positively, It is possible to obtain an artificial turf coating liquid of a form in which self-exerting force or adhesive strength is supplemented or enhanced.

In addition, the artificial turf coating liquid can be added to the artificial turf lacquer for the purpose of improving the drawing strength by a coating amount of 60% compared to the conventional artificial grass, Which is about 1.5 times larger than that of the first embodiment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a floor chart sequentially illustrating a method of manufacturing artificial turf according to a preferred embodiment of the present invention; FIG.

Hereinafter, the present invention will be described with reference to the accompanying drawings, and the present invention will be described in detail with reference to preferred embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, it is to be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It is intended that the disclosure of the present invention be limited only by the terms of the appended claims. And, throughout the specification, like reference numerals refer to like elements.

The present invention relates to artificial turf which is a general facility for convenience or health promotion in indoor and outdoor.

Above all, artificial turf coating liquid added with wood vinegar and acrylate copolymer is used to carry out a series of processes for producing artificial turf. However, since the artificial turf is implemented by adopting such artificial turf coating liquid, Artificial turf coating solution which can maximize the pulling power and retention retention rate of artificial turf pile and can provide an efficient space to induce users to feel more comfortable and stable state due to the antibacterial and insecticidal functions derived from the vinegar component It relates to the method of manufacture and the artificial turf produced thereby.

That is, the artificial turf coating solution can be positively protected from pests such as mites and mosquitoes by causing the insecticidal material including the antimicrobial material to be radiated to the outside from the artificial turf by adding a wood vinegar solution to remarkably escape from the conventional technical idea, Acrylate copolymer is maximized to maximize the pulling power or durability of the artificial turf pile to thereby prolong the life of the artificial turf, as well as the safety of use and the use of less amount of coating, In characteristics. Hereinafter, the present invention will be described in detail with reference to examples and tables.

To this end, the combination of components is as follows.

More particularly, the present invention relates to a thermoplastic resin composition comprising 20 to 22.9% by weight of styrene-butadiene latex, 1 to 1.5% by weight of an acrylate copolymer, 1 to 1.2% by weight of zinc oxide, A mixture of 32 to 32.5 wt% of calcium carbonate (CaCO ₃ ), 1 to 1.5 wt% of a thickener, 21 to 21.5 wt% of water, 20 to 20.3 wt% of fillers, 1 to 1.2 wt% of a flame retardant agent % And a wood vinegar solution of 0.1 to 0.3 wt% .

FIG. 1 is a floor chart sequentially illustrating a method of manufacturing artificial turf according to a preferred embodiment of the present invention.

As shown in Fig. 1, the artificial turf produced by the process for producing artificial turf coating solution having a pest control function proposed in the present invention includes polyolefin-based materials including polyester or polypropylene or nylon A first step of forming a synthetic grass pile using a polyamide based material and a second step of forming a synthetic grass foam using a polyolefin based material including polypropylene or polyester; A third step of weaving the artificial grass file in the artificial turf bubble paper in the manner of any one of tufting, lacquer, and moquette;
20 to 22.9% by weight of styrene-butadiene latex, 1 to 1.5% by weight of an acrylate copolymer, and 2 to 10% by weight of a styrene-butadiene latex with respect to the front and / 1 to 1.2 wt% of zinc oxide, 32 to 32.5 wt% of calcium carbonate (CaCO ₃ ), 1 to 1.5 wt% of a thickener, 21 to 21.5 wt% of water, 20 to 20.3 wt% of fillers, , A flame retardant agent (1 to 1.2 wt%), and a wood vinegar solution (0.1 to 0.3 wt%) ; and a fourth step of applying a coating solution applied to the artificial grass foam paper by hot air or infrared And curing the mixture at a temperature of 175 DEG C for 30 minutes.

[Artificial grass file formation step]

Polyolefin-based materials such as polyester or polypropylene may be used as artificial turf files for forming artificial turf (mat), or polyamide-based materials such as nylon may be used for other special applications At this time, the amount of the polyamide-based material to be used should be very small as compared with the polyolefin-based material.

[Artificial turf formation step]

In forming the artificial turf bubble for placing the artificial turf pile, it is preferable to use a polyolefin based material such as polypropylene or polyester.

[Artificial grass file napping step]

The artificial turf pile can be woven in the artificial turf bubble paper by tufting, lacel or moquette method. Of these, the lacelle and the moquette system are less frequently used than the tufting system, but they are all applicable to the present invention .

[Formation step of artificial turf coating material]

20 to 22.9% by weight of styrene-butadiene latex, 1 to 1.5% by weight of an acrylate copolymer, 1 to 1.2% by weight of zinc oxide, calcium carbonate (CaCO ₃ ), 32 to 32.5% by weight of a thickener, 1 to 1.5% by weight of a thickener, 21 to 21.5% by weight of water, 20 to 20.3% by weight of fillers, 1 to 1.2% by weight of a flame retardant agent, 0.3% by weight of a synthetic turf coating solution.

[Application step of artificial turf coating material]

The artificial turf coating liquid is applied to the front and / or rear surface of the artificial turf bulge in which the artificial turf pile is laid, and in the present invention, a predetermined discharge apparatus may be provided to more evenly apply the artificial turf coating liquid.

In this case, the application method can be applied in all of precipitation type, foam type and injection type, and it is possible to apply artificial turf coating liquid to artificial turf bubble by any one of flooding method, foaming method and spray method, And the coating liquid is preferably supplied to the artificial turf base paper in an amount of 500 to 650 g / m < 2 >.

[Artificial grass hardening step]

The artificial turf applied with the coating liquid is continuously transferred to the curing process, wherein the curing device may be an infrared heater or a hot air device provided with hot air.

In the present invention, a predetermined curing apparatus is provided to take the hot air flow. The temperature generated in the hot air is preferably in the range of 60 to 175 ° C, and in the present invention, the curing process is performed at 120 ° C. If the transferring process is very short, another secondary heat exchanger may be installed at the downstream end of the heat exchanger to further shorten the curing time, and the secondary curing process may be performed at a temperature range of 100 to 130 ° C.

That is, the curing apparatus in the present invention can be applied to both the hot air type and the infrared type.

The artificial turf structure proposed in the present invention is a structure in which an artificial turf yarn (file) using any one of polyester, polypropylene, and nylon materials or using both of them at the same time is made of polypropylene or a polyester material Or a combination of two or more of the artificial turf bubble paper, or lacquer, etc., in a manner such as weaving, in the form of an artificial turf file.

In one embodiment of the present invention, artificial turf yarns (piles) were employed as yarns made of polyester material, and artificial turf bubble was selected as bubble paper using polypropylene material.

After the artificial turf yarn (file) is woven on the base fabric using the above-mentioned materials, the back surface of the artificial turf base fabric must be coated with the coating liquid in order to exert a strong pulling force so that the artificial turf pile is not pulled out. By adopting SBR type latex material while adopting addition of acrylate copolymer, it can solve the problem of existing latex actively.

That is, although latex has advantages of low cost of materials, it is difficult to keep the pulling force for a long time due to its heavy weight and strong pulling force. Therefore, in the present invention, in order to solve the problem of latex, acrylate copolymer is used as a main component With appropriate mixing ratios to ensure the advantage of latex and acrylate copolymers.

20 to 22.9% by weight of styrene-butadiene latex, 1 to 1.5% by weight of an acrylate copolymer, 1 to 1.2% by weight of zinc oxide, calcium carbonate (CaCO ₃ ), 32 to 32.5% by weight of a thickener, 1 to 1.5% by weight of a thickener, 21 to 21.5% by weight of water, 20 to 20.3% by weight of fillers, 1 to 1.2% by weight of a flame retardant agent, 0.3% by weight were put in a stirrer and discharged to obtain a desired coating liquid.

The obtained coating solution can be applied to both the front surface and the back surface or both the front surface and the back surface of the artificial turf bulge having the artificial turf pile. In this embodiment, the coating liquid is applied only to the back surface of the artificial turf bulge, After the curing process, the artificial turf was finished.

Table 1 shows the test results of artificial turf with respect to the pulling force for the finished artificial turf under the above conditions.

At this time, the sample name was KBVSE55, and the test method was designated as a school sports facility - artificial turf belonging to the ICS code KSM 3888-1.

As shown in Table 1, the artificial turf according to the production method of the present invention was found to retain the pulling force of 116N and the retention retention of 99% after flooding at room temperature for 72 hours under the conditions of 23 ± 2 ° C. and 35 ± 10% RH there was.

Styrene-butadiene latex, zinc oxide, calcium carbonate (CaCO ₃ ), thickener, water, fillers, flame retardant agent, acrylates copolymer, An artificial turf A prepared from a coating solution composed of artificial turf B made of a coating solution consisting of addition of woody solution and styrene-butadiene latex, zinc oxide, calcium carbonate, thickener, water, filler and flame retardant The pullout force and the pullout retention rate of artificial turf pile for artificial grass bubble paper were compared with each other.

Based on the coating amount, the test results relating to the pulling force are shown in Table 2 for each artificial turf A and B completed under the above conditions.

As shown in Table 2, the artificial turf according to the manufacturing method of the present invention had an artificial turf bulge having an artificial turf pile having a state of pulling out force of 90N 119.2N for immersion, 60N for 118N, and 99% for 66% and 99%, respectively.

In the meantime, in order to secure the functionality of artificial turf, the main feature of the present invention is to contain a wood vinegar component.

Styrene-butadiene latex, zinc oxide, calcium carbonate (CaCO ₃ ), thickener, water, fillers, flame retardant agent, acrylates copolymer, An artificial turf A prepared from a coating solution composed of artificial turf B made of a coating solution consisting of addition of woody solution and styrene-butadiene latex, zinc oxide, calcium carbonate, thickener, water, filler and flame retardant And the degree of exfoliation of the wood vinegar component to the same area was measured.

Based on the artificial turf A and the artificial grass B completed under the above-mentioned conditions, the present embodiment explains how the insecticidal effect is exerted by the vinegar component emitted from artificial turf according to the present invention. The relevant table is 3.

1. Composition of Psalms

First of all, the test pieces were prepared by cutting the artificial turf bubble of the artificial turf A having the artificial turf files in a size of 15 cm x 15 cm and the artificial turf bubbles of the artificial turf B manufactured according to the present embodiment, And another experimental group with a cinnamon component including an experimental group cut into 15 cm × 15 cm or 30 cm × 30 cm size.

division

Control group
Experiment 1
Experiment 2
Experiment group 3
Experiment group 4
Experiment group 5
Experiment group 6
Artificial turf
(cm)

.

15 x 15

15 x 15

15 x 15

30 x 30

30 x 30

30 x 30

box
U

female
part

Wood vinegar

.

○

×

○

×

○

○

cinnamon

.

×

○

○

○

×

○

As shown in Table 1, the experimental groups 1 to 3 had a size of 15 cm × 15 cm, and the experimental groups 4 to 6 had 30 cm × 30 cm of artificial grass bubbles. This is to indirectly evaluate the efficiency of radiating the vinegar component through the size condition of the artificial turf bulb by measuring the insecticidal effect. In addition, the effect of the presence of cinnamon components on the insecticidal effect is also examined.

2. Experimental Method

First, the pests used in this experiment were female red house mosquitoes ( Culex pipiens pallens ). Experimental box A to accommodate the four specimens of control / experimental group 1 / experimental group 2 / experimental group 3 and experimental box B to accommodate specimens of control / experimental group 4 / experimental group 5 / experimental group 6 Respectively. Each of the experimental boxes A and B is divided into four spaces in which the inner space is separately compartmentalized, and a mesh-shaped net is formed at the upper end part so that the mosquitoes can freely pass through the partition walls dividing the spaces. A small inlet for injecting mosquitoes was provided on the upper surface of each divided space of the experimental boxes A and B prepared as described above, and the same number of animals (10 animals / each space, 40 animals / each The experimental insecticidal effect was evaluated by measuring the number of mosquitoes left in each space after the passage of time.

Table 4 shows the result of measuring the number of mosquitoes per space (space a to h) at the time point of elapsed time (initial, 20 minutes, 40 minutes, 60 minutes) according to the above-mentioned experimental method.

(Unit: grains)

division

Experiment Box A

Experiment Box B

Control group
(Space a)

Experiment 1
(Space b)
Experiment 2
(Space c)
Experiment group 3
(Space d)
Control group
(Space e)
Experiment group 4
(Space f)
Experiment group 5
(Space g)
Experiment group 6
(Space h)
Early

10
10
10
10
10
10
10
10
After 20 minutes

17
8
9
9
15
9
8
6
After 40 minutes

26
6
8
8
22
7
4
3
After 60 minutes

30
5
6
4
29
5
3
2

As shown in Table 4, it can be seen that the number of mosquitoes remaining in the divided spaces (space a and space e) of the experimental box provided with the control group gradually increased over time, and in the experimental groups 1 to 3, The remaining mosquito population in the divided space (space d) in which the experimental group 3 including all of the cinnamon is located is the smallest, indicating that various insecticidal components including the vinegar component according to the present invention have an insecticidal effect at an effective level.

On the other hand, the difference in the insecticidal effect according to the size of artificial turfgrass was analyzed by the variation of the mosquito population classified according to the experimental box A and the experimental box B. As a result, And the last remaining mosquito population in the experimental group 2 and the experimental group 3 were compared with those in the experimental group 5 and the experimental group 6, The mosquito population was the least. The higher the content of vinegar, the wider the radiative surface area, the higher the speed at which the vinegar component emanates.

As shown in Tables 1 to 4, the present invention not only improves the function and performance of artificial turf, but also improves the stability and maintainability of artificial turf type and further simplifies a series of manufacturing processes for producing artificial turf So that it is economically advantageous.

According to the present invention, which is realized with the above-described structure, not only the functional properties such as antimicrobial and insecticidal properties are retained by causing the vinegar component to be exerted on the artificial turf, but also the recycling rate due to maximization of the durability is increased positively, It is possible to obtain an artificial turf coating liquid of a form in which self-exerting force or adhesive strength is supplemented or enhanced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, will be. Therefore, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

None.

Claims

delete

A first step of forming a synthetic turf pile using a polyolefin-based material including a polyester or polypropylene or a polyamide-based material including nylon;
A second step of forming an artificial turf base material by using a polyolefin-based material including polypropylene or polyester;
A third step of weaving the artificial grass file into artificial turf bubbles by any one of tufting, lacquer, and moquette;
20 to 22.9% by weight of styrene-butadiene latex, 1 to 1.5% by weight of an acrylate copolymer, and 2 to 10% by weight of a styrene-butadiene latex with respect to the front and / 1 to 1.2 wt% of zinc oxide, 32 to 32.5 wt% of calcium carbonate (CaCO ₃ ), 1 to 1.5 wt% of a thickener, 21 to 21.5 wt% of water, 20 to 20.3 wt% of fillers, , A flame retardant agent (1 to 1.2 wt%), and a wood vinegar (0.1 to 0.3 wt%);
And a fifth step of curing the coating liquid applied to the artificial grass foam paper under a temperature condition of 60 to 175 DEG C for 30 minutes by a hot air or infrared method. .