KR102395218B1 - Non-slip coating composition and method for constructing slip-resistant floor using the same - Google Patents

Abstract

The present invention relates to a coating composition which, when being applied to flooring materials based on various materials, not only has a non-slip function, but also maintains the intrinsic color of patterns and tiles themselves on the flooring materials; and a method for constructing a floor using the same. The coating composition includes a main material resin, a hardening agent, and a non-slip additive, wherein the main material resin includes poly urea, methyl methacrylate, butyl acrylate, and silicone dioxide; the hardening agent includes polyether amine whose number average molecular weight of 2000, polyether amine whose number average molecular weight of 5000, and poly diethyl toluene diamine; and the additive includes polyolefin powder coated with silane.

Description

Non-slip coating composition and method for constructing slip-resistant floor using the same

The present invention relates to a coating composition and a floor construction method using the same, and more particularly, when the coating composition is applied to a flooring material of various materials, it can provide an anti-slip function, and it It relates to a coating composition capable of maintaining the unique color of a pattern or tile itself.

Inorganic flooring materials such as tiles and stones have been widely used in our daily life due to their beautiful appearance and excellent abrasion resistance, durability, and discoloration resistance, and their usage is expected to increase in the future. In the case of inorganic flooring materials, for example, in the case of tile, by glaze coating, in the case of marble, by fine surface grinding, high gloss and high smoothness are maintained due to the characteristics of the product. Because of these surface characteristics, people are prone to slipping, and especially when water or soapy water is on the surface, the slipping phenomenon leads to safety accidents due to aquaplaning. They are scattered around our daily life where contact with water is frequent, such as verandas, public baths, and swimming pools.

According to a survey by the Korea Association for Safety and Life Education, 67% of accidents at home are safety accidents, and among them, there were many safety accidents due to slipping in bathrooms and verandas. Children accounted for 45% and the elderly accounted for 28%. These safety accidents can lead to major accidents such as fractures and concussions, and these safety accidents are steadily increasing every year.

As a method for preventing slipping as described above, a coating method to remove a water film by forming an irregular film on the surface of the flooring material, a heat treatment method to increase the friction coefficient by generating a large number of irregularities by performing heat treatment, a heat treatment method to increase the friction coefficient A method of attaching a tape to increase the coefficient of friction, a method of forming irregularities on the surface when manufacturing a flooring material, and a method of improving the friction coefficient by applying a chemical treatment agent to the surface of the flooring to form fine irregularities are used.

However, among the conventional methods, the heat treatment method is cumbersome, requires separate equipment, and has poor aesthetics due to the formation of wide irregularities. In addition, the aesthetics is not good, and the anti-slip effect is not satisfactory, so it is not practically applied.

In addition, the coating method used in the prior art has disadvantages that not only the appearance of the flooring material is damaged, but also the gloss is lost and the anti-slip effect is not satisfactory.

One object of the present invention is to provide a coating composition having excellent anti-slip function when applied to a flooring material, does not damage the appearance of the flooring material itself, has excellent discoloration resistance, and in addition has antibacterial and antifungal properties.

Another object of the present invention is to provide a method of constructing a floor with an anti-slip function using the coating composition provided in the present invention.

According to an embodiment of the present invention, it contains a main resin, a curing agent, and an anti-slip additive,

The main resin is 20 to 40 parts by weight of methyl methacrylate based on 100 parts by weight of polyurea; 20 to 40 parts by weight of butyl acrylate; and 10 to 30 parts by weight of silicon dioxide,

The curing agent includes 30 to 60 parts by weight of polyetheramine having a number average molecular weight of 2000, 5 to 10 parts by weight of polyetheramine having a number average molecular weight of 5000, and 20 to 50 parts by weight of polydiethyltoluendiamine and

The anti-slip additive relates to a composition for anti-slip coating, comprising polyolefin powder coated with silane.

In the present invention, the main resin and the curing agent may be included in a weight ratio of 3 to 3.5: 1.

In the present invention, the anti-skid additive may be included in an amount of 6 to 20% by weight based on the total weight of the composition.

In the present invention, the silane may include at least one selected from the group consisting of dimethyldimethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, and tetraethoxysilane. can

In the present invention, the particle size of the polyolefin powder may be 30 to 1,000 μm.

In the present invention, the composition may further include at least one of paraffin wax and wollastonite.

In the present invention, the composition may further include a natural antibacterial agent powder.

In the present invention, the natural antibacterial powder may be a loquat extract powder.

The average particle size of the natural antibacterial agent powder in the present invention may be 10 to 1,000 ㎛.

In the present invention, the natural antibacterial agent powder may be included in an amount of 0.1 to 10% by weight based on the total weight of the composition.

In the present invention, it relates to an anti-slip construction method of a floor, comprising the step of forming an anti-slip coating layer by applying the composition on the flooring material.

In the present invention, the composition may be applied 1 to 10 times.

In the present invention, the anti-slip coating layer may be formed to a thickness of 0.03 to 0.5 mm.

In the present invention, the construction method may further include forming a primer layer by applying a primer on the flooring material before forming the anti-slip coating layer.

In the present invention, the construction method may further include drying for 30 minutes to 14 days after forming the anti-slip coating layer.

The coating composition provided in the present invention not only provides an anti-slip function when applied to a flooring material such as tile, concrete or stone, but also does not damage the inherent appearance of the flooring material itself, and in addition to water resistance, discoloration resistance, Chemical resistance, antibacterial and antifungal properties are also excellent.

1 shows a photograph of a flooring material before and after construction of an anti-slip floor using a coating composition according to an embodiment of the present invention.
2 is a photograph showing a series of steps of floor construction according to an embodiment of the present invention.
3 is a cross-sectional schematic view of a flooring constructed according to an embodiment of the present invention.

According to one embodiment of the present invention, it relates to a composition for an anti-slip coating.

The composition of the present invention may include a base resin, a curing agent, and an anti-slip additive.

In the present invention, the main resin is polyurea; methyl methacrylate; butyl acrylate; and silicon dioxide.

In the present invention, the main resin is 20 to 40 parts by weight of methyl methacrylate based on 100 parts by weight of polyurea; 20 to 40 parts by weight of butyl acrylate; And it may include 10 to 30 parts by weight of silicon dioxide, when out of the above-described content range, it may be difficult to achieve the desired effect desired in the present invention.

In the present invention, the polyurea resin is not particularly limited in its manufacturing method or the molecular weight of the polymer, and any polyurea resin that can be used for painting can be applied without limitation. However, as an example, as a polyisocyanate prepolymer, for example, 2,4-,4,4-methylene diisocyanate derivative or carboimide-modified methylene diisocyanate derivative, isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI) ), a hydrogenated MDI (H12MDI) derivative, or a mixture thereof with polyetheramine or a low molecular weight amine in a weight ratio of 40 to 60: 60 to 40, but is not limited thereto.

In the present invention, the curing agent is an amine-based curing agent, 30 to 60 parts by weight of polyetheramine having a number average molecular weight of 2000, 5 to 10 parts by weight of polyetheramine having a number average molecular weight of 5000, and polydiethyltoluenediamine ( polydiethyltoluendiamine) 20 to 50 parts by weight, and the above-described effect may be significantly reduced.

In the present invention, the main resin and the curing agent may be included in a weight ratio of 3 to 3.5: 1, and when the content is out of the above range, it is difficult to expect the desired effect in the present invention.

In the present invention, the anti-skid additive may be a polyolefin powder coated with silane.

In the present invention, the polyolefin powder may include at least one selected from the group consisting of polyethylene powder, ultra-high molecular weight polyethylene powder, low-density polyethylene powder, linear low-density polyethylene powder, high-density polyethylene powder, and polypropylene powder.

In the present invention, the silane may include at least one selected from the group consisting of dimethyldimethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, and tetraethoxysilane. can

In the present invention, the particle size of the polyolefin powder is not particularly limited, but may have a particle size of, for example, 30 to 1,000 μm, but is not limited thereto.

In the present invention, the anti-slip additive may be included in an amount of 6 to 20% by weight based on the total weight of the coating composition of the present invention. When the content of the anti-slip additive is less than 6 wt%, a sufficient anti-slip effect cannot be obtained, and when it is more than 20 wt%, the viscosity of the composition increases, so that smooth coating may be difficult.

The composition of the present invention may further include at least one of paraffin wax and wollastonite in addition to the above components, and preferably may be included in an amount of 1 to 10% by weight based on the coating composition of the present invention. , but is not limited thereto.

In addition, the composition of the present invention can obtain the effect of adding antibacterial or antifungal properties in an environmentally friendly and harmless manner to the human body by further including a natural antibacterial powder, if necessary.

In the present invention, the natural antibacterial powder may include a loquat extract powder. Here, the average particle size of the powder may be 10 to 1,000 μm, but is not limited thereto.

In the present invention, the process for preparing the extract is not particularly limited, but, for example, the roots, stems, leaf seeds or fruits of loquat are extracted with water or an organic solvent, or a mixed solvent of water and an organic solvent, dried, reduced pressure It may be prepared by drying and/or freeze drying. Here, as the organic solvent, lower alcohol, acetone, chloroform, methylene chloride, ether, ethyl acetate, hexane, and the like may be exemplified. The lower alcohol may be exemplified by methanol, ethanol, propanol and butanol, of which ethanol is most preferred.

In the present invention, as a specific condition for extracting loquats using water as a solvent in the present invention, 5 to 15 times, preferably 10 times the weight of finely pulverized loquats, water is added and 25 to 100° C., preferably can be extracted at a temperature of 70 to 95 ° C. for 1 to 72 hours, preferably 4 to 24 hours, and then filtered to prepare a hot water extract of loquat.

In addition, in the present invention, one or more alcoholic solvents selected from the group consisting of methanol, ethanol, propanol and butanol or one or more organic solvents selected from the group consisting of acetone, chloroform, methylene chloride, ether, ethyl acetate and hexane are used. When extracting loquat, 1 to 10 times, preferably 5 times the weight of finely pulverized loquat, an alcoholic solvent or the above organic solvent is added, and then 1 to 72 hours at a temperature of room temperature to 60° C., preferably After extraction with stirring for 4 to 24 hours, the extract obtained by filtration or centrifugation is concentrated under reduced pressure to prepare a loquat extract according to the present invention.

In the present invention, the natural antibacterial agent may be included in an amount of 0.1 to 10% by weight, preferably 1 to 5% by weight, based on the total weight of the coating composition of the present invention, but is not limited thereto.

According to another embodiment of the present invention, it relates to a construction method for preventing slip of the floor using the composition for anti-slip coating.

The construction method of the present invention may include washing and removing foreign substances present on the road surface of the flooring material requiring non-slip, if necessary.

The construction method of the present invention may include the step of forming a primer layer by applying a primer on the washed flooring.

In the present invention, a known primer may be used as the primer, and preferably an acrylic primer or a urethane primer may be used, but the present invention is not limited thereto.

The construction method of the present invention may include the step of forming an anti-slip coating layer by applying the composition for an anti-slip coating according to the present invention on a flooring material or a primer layer.

In the present invention, the anti-slip coating composition may be applied 1 to 10 times, preferably 1 to 5 times, but the number of times of application is not particularly limited.

In the present invention, the anti-slip coating layer may be formed to a thickness of 0.03 to 0.5 mm. When the thickness of the anti-slip coating layer is less than 0.03 mm, a sufficient anti-slip effect cannot be obtained, and when the thickness exceeds 0.5 mm, cracks may occur or the appearance of the existing flooring may be deformed.

In the present invention, it may include drying after forming the anti-slip coating layer. Here, the drying may be performed for 30 minutes to 14 days, preferably 1 to 5 days, but is not limited thereto.

3 is a cross-sectional schematic view of a flooring constructed according to an embodiment of the present invention, for example, a primer layer is formed on a bathroom toilet concrete floor or tile flooring, and a slip according to the present invention on the primer layer An anti-slip layer comprising a composition for an anti-skid coating may be formed.

Hereinafter, the present invention will be described in detail with reference to the following examples. However, the following examples are only illustrative of the present invention, and the content of the present invention is not limited by the following examples.

Example

[Preparation Example] Preparation of each component of the anti-slip coating composition

Preparation of the main resin

Based on 100 parts by weight of polyurea, 30 parts by weight of methyl methacrylate, 25 parts by weight of butyl acrylate, and 22 parts by weight of silicon dioxide were mixed to prepare a main resin.

Preparation of hardener

A curing agent was prepared by mixing 42 parts by weight of a polyetheramine having a number average molecular weight of 2000, 7 parts by weight of a polyetheramine having a number average molecular weight of 5000, and 25 parts by weight of polydiethyltoluenediamine.

Preparation of anti-skid additives

5 parts by weight of methyltrimethoxysilane was mixed with 100 parts by weight of ultra-high molecular weight polyethylene powder having an average particle size of 300 μm, and then dispersed at high speed to prepare an ultra-high molecular weight polyethylene powder coated with silane.

[Preparation Example 1] Preparation of composition for anti-slip coating

After mixing the main resin and the curing agent prepared in the preparation example in a weight ratio of 3: 1, the anti-slip additive was added and mixed so as to have a content of 10 wt % based on the total weight of the anti-slip coating composition to be prepared.

[Preparation Example 2] Preparation of a composition for anti-slip coating

After mixing the main resin and the curing agent prepared in the preparation example in a weight ratio of 3.5: 1, the anti-slip additive was added and mixed so as to have a content of 10% by weight based on the total weight of the composition to be prepared.

[Preparation Example 3] Preparation of anti-slip coating composition with added antibacterial function

The freeze-dried powder of loquat extract having an average particle size of 100 μm was added to the composition of Preparation Example 1 in an amount of 2% by weight based on the total weight of the composition to be prepared and mixed.

[Comparative Example 1]

A composition was prepared in the same manner as in the composition of Preparation Example 1, except that the anti-slip additive was not added.

[Comparative Examples 2 and 3]

A composition was prepared in the same manner as in Preparation Example 1, but the main resin and the curing agent were mixed in a weight ratio of 1.5: 1, or 6: 1, respectively, to prepare a composition.

[Example 1] Floor construction method using the composition for anti-slip coating

After removing foreign substances from the bathroom concrete floor and cleaning it, a commercially available urethane-based primer is applied to form a primer layer, and then the composition prepared in Preparation Example 1 is applied to form an anti-slip layer having a thickness of 0.2 mm. dried for 6 hours. Pictures of each process are shown in FIG. 2, and pictures of the floor before and after construction were taken and shown in FIG.

As shown in FIG. 1 , as a result of forming an anti-slip coating layer with the composition according to the present invention, protrusions having an anti-slip function could be confirmed with the naked eye, and it was confirmed that the appearance of the flooring material before and after construction was maintained the same.

[Experimental Example 1]

As in Example 1, the compositions of Preparation Examples 1 to 3 and Comparative Examples 1 to 3 were applied on the concrete flooring material to form an anti-slip layer, and then completely dried for 5 days, and then the slip resistance, abrasion resistance and crack generation were evaluated. Thus, the results are shown in Table 1 below. At this time, the slip resistance measurement was evaluated as a BPN value according to the slip resistance test method of KS F 2375:2001. The abrasion resistance was evaluated by ASTM 4060 Taber test (H-18, 1Kg, 1,000 cycle), and whether cracks occurred was visually evaluated by observing the constructed space for 12 months (◎: Excellent (no cracks), ○: Good (some cracks occur), Х: bad (many cracks occur)).

slip resistance
(BPN) wear resistance
(mg loss) Whether cracks occur no treatment 45 Preparation Example 1 78 105 ◎ Preparation 2 71 99 ◎ Preparation 3 75 102 ◎ Comparative Example 1 52 - - Comparative Example 2 60 80 ○ Comparative Example 3 68 90 Х

As shown in Table 1, when the anti-slip layer was formed with the compositions of Preparation Examples 1 to 3 according to the present invention, the slip resistance was significantly improved compared to the case without treatment, and the abrasion resistance was excellent, even after 12 months had elapsed. It was confirmed that no cracks occurred. However, when the anti-slip layer was formed with the compositions of Comparative Examples 1 to 3 outside the scope of the present invention, the slip resistance and abrasion resistance were lower than when the compositions of Preparation Examples 1 to 3 were used, and after 12 months, cracks could confirm what had happened.

Although the present invention has been described in detail above, the scope of the present invention is not limited thereto, and it is common in the art that various modifications and variations are possible without departing from the technical spirit of the present invention described in the claims. It will be self-evident to those who have the knowledge of

Claims (15)

Contains a main resin, a curing agent, and an anti-slip additive,
The main resin is 20 to 40 parts by weight of methyl methacrylate based on 100 parts by weight of polyurea; 20 to 40 parts by weight of butyl acrylate; and 10 to 30 parts by weight of silicon dioxide,
The curing agent includes 30 to 60 parts by weight of polyetheramine having a number average molecular weight of 2000, 5 to 10 parts by weight of polyetheramine having a number average molecular weight of 5000, and 20 to 50 parts by weight of polydiethyltoluendiamine. and
The anti-slip additive comprises a polyolefin powder coated with silane, anti-slip coating composition.
According to claim 1,
The main resin and the curing agent is 3 to 3.5: 1 is included in a weight ratio of 1, anti-slip coating composition.
According to claim 1,
The anti-slip additive is included in an amount of 6 to 20% by weight based on the total weight of the composition, anti-slip coating composition.
According to claim 1,
The silane includes at least one selected from the group consisting of dimethyldimethoxysilane, methyltrimethoxysilane, methyltriethoxysilane and tetraethoxysilane, anti-slip A composition for coating.
According to claim 1,
The particle size of the polyolefin powder is 30 to 1,000 ㎛, anti-slip coating composition.
According to claim 1,
The composition further comprises at least one of paraffin wax and wollastonite, anti-slip coating composition.
According to claim 1,
The composition further comprises a natural antibacterial powder, anti-slip coating composition.
8. The method of claim 7,
The natural antibacterial powder is a loquat extract powder, an anti-slip coating composition.
8. The method of claim 7,
The average particle size of the natural antibacterial agent powder is 10 to 1,000 ㎛, anti-slip coating composition.
8. The method of claim 7,
The natural antibacterial agent powder is included in an amount of 0.1 to 10% by weight based on the total weight of the composition, anti-slip coating composition.
A method of constructing an anti-slip floor comprising the step of forming an anti-slip coating layer by applying the composition of any one of claims 1 to 10 on the flooring material.
12. The method of claim 11,
The composition is applied 1 to 10 times, the anti-slip construction method of the floor.
12. The method of claim 11,
The anti-slip coating layer is formed to a thickness of 0.03 to 0.5 mm, the anti-slip construction method of the floor.
12. The method of claim 11,
The construction method further comprises the step of forming a primer layer by applying a primer on the flooring material before forming the anti-slip coating layer, the anti-slip construction method of the floor.
12. The method of claim 11,
The construction method further comprises the step of drying for 30 minutes to 14 days after the formation of the anti-slip coating layer, the anti-slip construction method of the floor.

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