KR102390467B1 - Non-flammable coating composition including paper and having improved adhesive and impact strength - Google Patents

Abstract

The flame retardant coating composition according to the present invention includes a first mixture containing sodium silicate, sodium hydroxide, borax, polyvinyl alcohol (PVA) and paper, and a second mixture containing mineral powder and silica gel, There is almost no toxic gas generation even when in contact, and it exhibits strong adhesion and adhesion retention to wood, stone, Styrofoam and paper finishing materials. , there is no cracking of the paint even when exposed to a high-salt atmosphere for a long time, excellent flame retardancy is maintained, and durability and impact strength are also excellent.

Description

A flame retardant paint composition containing paper with improved adhesion and impact strength {NON-FLAMMABLE COATING COMPOSITION INCLUDING PAPER AND HAVING IMPROVED ADHESIVE AND IMPACT STRENGTH}

The present invention relates to a flame retardant paint composition containing paper, and more specifically, almost no toxic gas is generated even when in contact with a high temperature flame for a long time, and exhibits strong adhesion and adhesion retention to wood, stone, Styrofoam and paper finishing materials. In addition, the adhesion and flame retardancy of the paint are maintained excellently even when exposed to high temperature and high humidity for a long time, and there is no cracking of the paint even when exposed to the atmosphere containing high salt for a long time, and the flame retardance performance is also maintained excellent, durability and It also relates to a flame retardant coating composition having excellent impact strength.

In the event of a fire, various flame retardant paints are coated to prevent the flame from being transmitted to the wood plywood, stone tiles, gypsum boards, Styrofoam, or paper finishing materials that form the exterior walls of the indoor or outdoor areas.

These flame-retardant paints contain various compounds. Accordingly, when exposed to a high-temperature flame during a fire, various compounds contained in the flame-retardant paint are vaporized in response to the high temperature of the flame, generating various harmful gases that harm the human body and the environment. will make it

On the other hand, the following Patent Document 1 is a solution in which at least one of Pt, Pd, and Au is dissolved in acetylacetone, titanium butoxide, butanol and methyl ethyl ketone mixed solution, hydrochloric acid and water. Although an additive for reinforcing the effect has been disclosed, the adhesive strength is weak when applied to wood or stone, and in particular, when exposed to high temperature, high humidity, and high salt for a long time, the adhesive strength is rapidly reduced and cracks occur in the applied paint coating layer. While doing so, there were problems such as cracks easily coming off from the object.

Accordingly, there is almost no toxic gas generation even when in contact with a high temperature flame for a long time, and it exhibits strong adhesion and adhesion retention to wood, stone, styrofoam and paper finishing materials. While excellent flame-retardant performance is maintained, there is no crack in the paint even when exposed to a high-salt atmosphere for a long time, excellent flame-retardant performance is maintained, and the development of a novel flame-retardant paint composition with excellent durability and impact strength is urgently needed. is in demand.

Patent Document 1: Republic of Korea Patent Registration No. 10-1409371 (June 20, 2014)

The present invention has been made to solve the above problems, and an object of the present invention is that there is almost no generation of toxic gas even when in contact with a high temperature flame for a long time, and it exhibits strong adhesion and adhesion retention to wood, stone, Styrofoam and paper finishing materials. A novel flame-retardant that maintains excellent adhesion and flame-retardant performance even when exposed to high temperature and high humidity environments for a long time, and at the same time there is no crack in the coating material even when exposed to high-salt atmosphere for a long time, and excellent flame-retardant performance To provide a coating composition.

The flame retardant paint composition according to an embodiment of the present invention is characterized by comprising paper, and in particular, a first mixture comprising sodium silicate, sodium hydroxide, borax, polyvinyl alcohol (PVA) and paper, mineral powder and silica gel. It is constituted by including a second mixture comprising.

In the flame retardant paint composition according to an embodiment of the present invention, the second mixture may be mixed in a ratio of 40 to 60 weight per 100 weight of the first mixture.

In the flame retardant coating composition according to an embodiment of the present invention, the first mixture is 0.1 to 5 weight of sodium hydroxide, 1 to 10 weight of borax, 5 to 20 weight of polyvinyl alcohol (PVA) and 1 paper by weight per 100 weight of sodium silicate It may be composed of a ratio of from 5 to 5 weight.

In the flame retardant paint composition according to an embodiment of the present invention, the second mixture may be composed of 50 to 100 weight of silica gel per 100 weight of mineral powder.

In the flame retardant paint composition according to an embodiment of the present invention, the mineral powder may include talc powder and pozzolan powder.

In the flame retardant paint composition according to an embodiment of the present invention, the mineral powder may be composed of 60 to 70 weight of pozzolan powder per 100 weight of talc powder.

In the flame retardant paint composition according to an embodiment of the present invention, the mineral powder may further include any one or more of diatomaceous earth powder, silica powder, loess powder, and perlite powder.

The flame retardant paint composition according to an embodiment of the present invention may further include titanium dioxide.

The flame retardant paint composition containing paper according to the present invention hardly generates toxic gas even when in contact with a high-temperature flame for a long time, and exhibits strong adhesion and adhesion retention to wood, stone, styrofoam and paper finishing materials. Even when exposed to the environment for a long time, the adhesive strength and flame-retardant performance of the paint are excellent, and there is no cracking of the paint even when exposed to a high-salt atmosphere for a long time, and the flame-retardant performance is also excellent, and the durability and impact strength are also excellent. has

1 is a test report of the physical property test result of the flame retardant composition of Example 2 (requested by Korea Fire Industry Technology Institute).

Before describing the present invention in more detail, terms or words used in the present specification and claims should not be limited to their conventional or dictionary meanings, and the concept of terms should be properly explained in order to best describe the invention. It should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined in Accordingly, the configuration of the embodiments described in the present specification is only one preferred example of the present invention, and does not represent all the technical spirit of the present invention, so various equivalents and modifications that can be substituted for them at the time of the present application It should be understood that there may be

The present invention relates to a flame retardant paint composition containing paper, and more specifically, almost no toxic gas is generated even when in contact with a high temperature flame for a long time, and exhibits strong adhesion and adhesion retention to wood, stone, Styrofoam and paper finishing materials. In addition, the adhesion and flame retardancy of the paint are maintained excellently even when exposed to high temperature and high humidity for a long time, and there is no cracking of the paint even when exposed to the atmosphere containing high salt for a long time, and the flame retardance performance is also maintained excellent, durability and It also relates to a flame retardant coating composition having excellent impact strength.

The flame retardant paint composition according to an embodiment of the present invention is characterized by comprising paper, and in particular, a first mixture comprising sodium silicate, sodium hydroxide, borax, polyvinyl alcohol (PVA) and paper, mineral powder and silica gel. It is constituted by including a second mixture comprising.

The first mixture is included for exhibiting and maintaining the flame-retardant performance of the flame-retardant coating composition and for exhibiting and maintaining the adhesion to the object of the flame-retardant coating composition, and the second mixture is the flame-retardant coating composition with improved flame retardant performance and a paint coating layer included to improve the durability of

Hereinafter, the first mixture will be described.

Sodium silicate included in the first mixture is an inorganic compound that is a type of soluble silicate, and is expressed by a molecular formula of Na ₂ O-nSiO ₂ -xH ₂ O, also called sodium silicate or water glass, liquid sodium silicate It is preferable to use

Sodium silicate contained in the first mixture exhibits flame retardant properties together with sodium hydroxide to be described later, and at the same time evenly dissolves and disperses the paper contained in the first mixture, and improves the moisture resistance of the coating composition.

Sodium hydroxide (NaOH) contained in the first mixture exhibits flame-retardant performance together with the above-described sodium silicate, and at the same time exhibits a function of excellently maintaining the flame-retardant performance of the coating composition coating layer when exposed to a high-salt atmosphere for a long time.

Borax included in the first mixture is a compound represented by Na ₂ B ₄ O ₇ ·10H ₂ O or Na ₂ [B ₄ O ₅ (OH) ₄ ]·8H ₂ O, which additionally improves the flame retardant performance of the paint composition. At the same time, it improves the adhesion of polyvinyl alcohol (PVA) by preventing the modification of polyvinyl alcohol (PVA), which will be described later, and exhibits the function of preventing the improved adhesion almost from lowering even after a long period of time.

included in the first mixture Polyvinyl alcohol (PVA) is also called vinyl alcohol resin, and allows the paper to be described later to be evenly dispersed and distributed in the liquid sodium silicate. To exhibit very strong adhesion and adhesion retention to various objects such as stone, gypsum board, Styrofoam, or paper finishing materials.

The paper included in the first mixture performs a function of very effectively preventing cracks from occurring when exposed to sunlight or high salt atmosphere for a long time after the flame retardant coating layer formed of the flame retardant coating composition is dried, and at the same time, the flame retardant coating composition of the present invention is applied By improving the tensile strength (TS) of the formed coating layer, even when a strong external impact or external scratching stimulus is applied to the coating layer, the coating layer is hardly damaged and the original coating layer is stably maintained.

Since the paper included in the present invention is in a state in which sodium silicate, sodium hydroxide and borax are evenly mixed, even when an external flame is in contact with a fire, it is not combusted by the flame.

As the paper included in the first mixture, various waste papers such as newspaper, toilet paper, box paper, or book paper may be used, and these papers are very finely pulverized to a size of about 0.5 to 1.0 mm in diameter and used.

The paper used in the present invention may be subjected to the following pretreatment process.

When the paper pretreatment process described later is performed, the tensile strength of the coating layer is further improved, and at the same time, the paper component is further prevented from being burned by the flame when it comes into contact with an external flame.

First, as described above, the very finely pulverized paper pulverized material is immersed in brine in which 5 to 10% by weight of salt is dissolved and heated to 60 to 70° C. for 1 to 2 hours. Thereafter, the pulverized paper immersed in brine is collected and dried with hot air, and the pulverized paper dried with hot air is immersed in lime water in which 5 to 30% by weight of lime is dissolved for 1 to 2 hours. Thereafter, the crushed paper product is collected and dried with hot air to finally prepare the crushed paper product to be used in the present invention.

In the flame retardant coating composition of the present invention, the first mixture is 0.1 to 5 weight of sodium hydroxide, 1 to 10 weight of borax, 5 to 20 weight of polyvinyl alcohol (PVA) and 1 to 5 weight of paper per 100 weight of sodium silicate. can be composed of

The first mixture is prepared by mixing sodium hydroxide powder, borax powder, polyvinyl alcohol (PVA) and a paper pulverized product evenly in a state in which liquid sodium silicate is heated and maintained at 80°C.

Hereinafter, the second mixture will be described.

The second mixture is included to improve the durability of the paint coating layer as well as to improve the flame retardant performance of the flame retardant paint composition.

The second mixture may be mixed in a ratio of 40 to 60 weight per 100 weight of the first mixture.

The second mixture used in the present invention includes mineral powder and silica gel.

On the other hand, the second mixture may be a mixture of 50 to 100 weight of silica gel per 100 weight of the mineral powder.

The mineral powder improves the impact resistance of the flame-retardant coating composition and at the same time further improves the flame-retardant performance, and also exhibits a function of preventing the paper pulverized material from being burned by flames in the event of a fire.

The mineral powder used in the present invention may include talc powder and pozzolan powder.

In this case, the mineral powder may contain 60 to 70 weight of pozzolan powder per 100 weight of talc powder.

On the other hand, the mineral powder may further include any one or more of diatomaceous earth powder, silica powder, loess powder and perlite powder.

When the mineral powder further contains diatomaceous earth powder, the scratch resistance of the coating layer formed of the flame retardant composition of the present invention is improved, and external noise is absorbed by the coating layer, thereby exhibiting a sound insulation effect. It may be included in a ratio of 10 to 20 weight per 100 weight of the powder.

When the mineral powder further contains silica powder, the coating layer formed of the flame-retardant composition of the present invention is cured to have a very dense structure when in contact with a high-temperature flame, thereby fundamentally blocking external oxygen from contacting the flame-retardant object. It has the advantage of exhibiting an extinguishing effect, and the silica powder may be included in a ratio of 20 to 30 weight per 100 weight of the talc powder.

When the mineral powder further contains loess powder, ultraviolet rays (UV) transmitted from sunlight are absorbed by the loess powder, and even if exposed to the hot sun for a long time, the coating layer formed of the flame retardant composition of the present invention is cracked by ultraviolet rays. In particular, when loess powder is used together with pozzolan powder, the two components react together to absorb moisture in a high-humidity environment depending on the external humidity and discharge the moisture contained in a low-humidity environment. It also has the ability to maintain humidity. The loess powder may be included in a ratio of 10 to 20 weight per 100 weight of the talc powder.

When the mineral powder further contains pearlite powder, when a high-temperature flame due to fire comes into contact with the flame-retardant coating layer formed using the flame-retardant composition of the present invention, the structure of the pearlite powder becomes dense and hardens. , In the process, the paper pulverized material evenly distributed around the pearlite powder is contracted more strongly, and thereby the hardness of the coating layer can be further improved. will perform The pearlite powder may be included in an amount of 10 to 20 weight per 100 weight of the talc powder.

Meanwhile, the flame retardant paint composition according to an embodiment of the present invention may further include titanium dioxide.

In the present invention, titanium dioxide powder is used, and titanium dioxide powder having an average particle diameter of 30 to 100 μm is used.

Titanium dioxide (titanium dioxide) is a compound often called fat sugar, and when titanium dioxide is included in the flame retardant coating composition of the present invention, the flame retardant paint can be prepared as a bright white paint.

On the other hand, titanium dioxide powder can be added by directly mixing the above-mentioned first mixture and second mixture, but it is also possible to include it in the flame retardant coating composition of the present invention by the following method.

That is, i) First, a paper pulverized product that is very finely pulverized to a size of about 0.5 to 1.0 mm in diameter is prepared (step 1). ii) The thus prepared pulverized paper is evenly dissolved in liquid polyvinyl alcohol together with the rosin powder (step 2). At this time, it is preferable to mix 10 to 20 weights of rosin powder and 100 to 150 weights of liquid polyvinyl alcohol per 100 weight of the pulverized paper (step 3). After that, iii) titanium dioxide powder is added to liquid polyvinyl alcohol in which the pulverized paper and rosin powder are evenly dissolved, and mixed evenly to prepare a third mixture (step 4). iv) The third mixture prepared in this way is mixed with the above-mentioned first mixture and second mixture to prepare a flame retardant coating composition (step 5).

Meanwhile, in step 2, more specifically, the pulverized paper is immersed in water for 10 to 30 minutes and recovered, and then dried until the content of moisture contained in the pulverized paper is about 5 to 10%. In the process, the rosin powder is continuously sprayed through spraying, etc. so that the rosin powder adheres to the surface of the crushed paper. After that, it may be carried out through a process of uniformly dissolving it in polyvinyl alcohol.

When titanium dioxide is included in the flame retardant coating composition of the present invention through the above process, even if a high-temperature flame comes into contact with the flame retardant coating layer formed of the flame retardant coating composition of the present invention, the titanium dioxide powder is very As it is evenly and firmly coated, the crushed paper material is prevented from burning by the flame, so that the crushed paper material maintains its structure stably in the coating layer. As a result, even if the flame continues for a long time, there is an advantage in that the flame or high temperature can be fundamentally blocked from being directly transmitted to the flame-retardant object due to the flame-resistant coating layer.

Hereinafter, specific examples of the flame retardant paint composition according to the present invention and various comparative examples that can clearly compare and confirm the effects of the present invention will be described.

[Composition Summary of Examples and Comparative Examples]

Example 2 - Addition of titanium dioxide in Example 1 (Method 1)

Example 3 - Titanium dioxide addition from Example 1 (Method 2)

Example 4 - addition of diatomaceous earth powder in Example 2

Example 5 - Addition of silica powder in Example 2

Example 6 - Addition of loess powder in Example 2

Example 7 - Addition of perlite powder in Example 2

Comparative Example 1 - Liquid polyvinyl alcohol (PVA) removal in Example 1

Comparative Example 2 - Removal of crushed paper in Example 1

Comparative Example 3 - Removal of sodium hydroxide in Example 1

Comparative Example 4 - Removal of talc powder in Example 1

Comparative Example 5 - Removal of pozzolanic powder in Example 1

Example 1

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. 1,000 g of talc powder, 600 g of pozzolan powder, and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Thereafter, 1,000 g of the first mixture and 500 g of the second mixture were evenly mixed to prepare a flame retardant coating composition.

Example 2 - Addition of titanium dioxide in Example 1 (Method 1)

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. 1,000 g of talc powder, 600 g of pozzolan powder, and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Then, 1,000 g of the first mixture, 500 g of the second mixture, and 30 g of titanium dioxide were mixed to prepare a flame retardant coating composition.

Example 3 - Titanium dioxide addition from Example 1 (Method 2)

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. 1,000 g of talc powder, 600 g of pozzolan powder, and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Next, 1,000 g of very finely pulverized paper pulverized to a size of 0.5 to 1.0 mm in diameter was prepared, immersed in water for 20 minutes, recovered and dried in a glass container, and in the drying process, rosin powder 150 g of the pulverized paper to be dried was sprayed evenly, and the pulverized paper coated with rosin powder was evenly dissolved in 1,000 g of liquid polyvinyl alcohol, and the liquid polyvinyl alcohol in which the pulverized paper was dissolved was stirred while stirring. 100 g of titanium dioxide was slowly added and mixed evenly to prepare about 2,250 g of a third mixture. After that, 1,000 g of the first mixture, 500 g of the second mixture, and 500 g of the third mixture were evenly mixed to prepare a flame retardant coating composition.

Example 4 - addition of diatomaceous earth powder in Example 2

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. A second mixture 2,750 g was prepared by mixing 1,000 g of talc powder, 600 g of pozzolan powder, 150 g of diatomaceous earth powder and 1,000 g of silica gel. Then, 1,000 g of the first mixture, 500 g of the second mixture, and 30 g of titanium dioxide were mixed to prepare a flame retardant coating composition.

Example 5 - Addition of silica powder in Example 2

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. A second mixture 2,750 g was prepared by mixing 1,000 g of talc powder, 600 g of pozzolan powder, 150 g of silica powder and 1,000 g of silica gel. Then, 1,000 g of the first mixture, 500 g of the second mixture, and 30 g of titanium dioxide were mixed to prepare a flame retardant coating composition.

Example 6 - Addition of loess powder in Example 2

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. A second mixture 2,750 g was prepared by mixing 1,000 g of talc powder, 600 g of pozzolan powder, 150 g of loess powder and 1,000 g of silica gel. Then, 1,000 g of the first mixture, 500 g of the second mixture, and 30 g of titanium dioxide were mixed to prepare a flame retardant coating composition.

Example 7 - Addition of perlite powder in Example 2

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. A second mixture 2,750 g was prepared by mixing 1,000 g of talc powder, 600 g of pozzolan powder, 150 g of perlite powder and 1,000 g of silica gel. Then, 1,000 g of the first mixture, 500 g of the second mixture, and 30 g of titanium dioxide were mixed to prepare a flame retardant coating composition.

Comparative Example 1 - Liquid polyvinyl alcohol (PVA) removal in Example 1

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,060 g of a liquid first mixture. 1,000 g of talc powder, 600 g of pozzolan powder, and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Thereafter, 1,000 g of the first mixture and 500 g of the second mixture were evenly mixed to prepare a flame retardant coating composition.

Comparative Example 2 - Removal of crushed paper in Example 1

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax and 100 g of liquid polyvinyl alcohol (PVA) were evenly mixed at 80° C. to prepare 1,145 g of a liquid first mixture. 1,000 g of talc powder, 600 g of pozzolan powder, and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Thereafter, 1,000 g of the first mixture and 500 g of the second mixture were evenly mixed to prepare a flame retardant coating composition.

Comparative Example 3 - Removal of sodium hydroxide in Example 1

1,000 g of sodium silicate, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA), and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,155 g of a liquid first mixture. 1,000 g of talc powder, 600 g of pozzolan powder, and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Thereafter, 1,000 g of the first mixture and 500 g of the second mixture were evenly mixed to prepare a flame retardant coating composition.

Comparative Example 4 - Removal of talc powder in Example 1

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. 1,600 g of pozzolan powder and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Thereafter, 1,000 g of the first mixture and 500 g of the second mixture were evenly mixed to prepare a flame retardant coating composition.

Comparative Example 5 - Removal of pozzolan powder in Example 1

1,000 g of sodium silicate, 5 g of sodium hydroxide, 40 g of borax, 100 g of liquid polyvinyl alcohol (PVA) and 15 g of crushed newspaper were evenly mixed at 80° C. to prepare 1,160 g of a liquid first mixture. 1,600 g of talc powder and 1,000 g of silica gel were mixed to prepare 2,600 g of a second mixture. Thereafter, 1,000 g of the first mixture and 500 g of the second mixture were evenly mixed to prepare a flame retardant coating composition.

[Adhesive force test]

After applying the flame retardant paint composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 to wood, stone tile, Styrofoam and paper finishing material samples, respectively, and drying it completely to form a flame retardant coating layer, a tape with strong adhesive force is applied The adhesive force of each flame-retardant coating composition was measured by measuring the area of the flame-retardant coating layer that was attached to the peeled tape and peeled off after the area was closely adhered, and the results are shown in Table 1 below. That is, the area (cm 2 ) of the coating layer adhered and peeled off per 25 cm 2 of the tape area used for the adhesion test is shown in Table 1 below.

wood stone tile Styrofoam paper finish Example 1 2 2 4 2 Example 2 2 2 4 2 Example 3 2 2 4 2 Example 4 0.5 0.5 2 0.5 Example 5 One One 3 One Example 6 0.5 0.5 2.5 0.5 Example 7 0 0 0 0 Comparative Example 1 12 17 20 15 Comparative Example 2 7 11 15 12 Comparative Example 3 4 5 7 5 Comparative Example 4 6 7 10 8 Comparative Example 5 5 6 13 9

Looking at the results in Table 1, it can be seen that the excellent adhesion of the flame retardant paint compositions (Examples 1 to 7) according to the present invention can be confirmed. It can be confirmed by exhibiting the, and it can be confirmed that the adhesion of Example 7 is particularly excellent.

[Adhesiveness maintenance test in a high-humidity atmosphere]

After applying the flame retardant paint composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 to samples of wood, stone tile, Styrofoam and paper finishing material, respectively, and drying it completely to form a flame retardant coating layer, a chamber with a relative humidity of 85% After storage for 30 days, the adhesive holding power of each flame retardant coating composition was measured by densely adhering the tape with strong adhesive force to a certain area, then peeling it off again and measuring the area of the flame retardant coating layer that came off by sticking to the peeled tape. , the results are shown in Table 2 below. That is, the area (cm 2 ) of the coating layer adhered and peeled off per 25 cm 2 of the tape area used for the adhesion test is shown in Table 2 below.

wood stone tile Styrofoam paper finish Example 1 4 3 5 4 Example 2 4 3 5 4 Example 3 4 3 4 3 Example 4 One One 2.5 One Example 5 2 2 4 2 Example 6 One 1.5 3.5 One Example 7 0 0 One 0.5 Comparative Example 1 16 20 23 18 Comparative Example 2 9 15 18 15 Comparative Example 3 9 11 17 15 Comparative Example 4 11 12 19 15 Comparative Example 5 12 11 20 17

Looking at the results in Table 2, it can be seen that the excellent high-humidity environment adhesion retention of the flame retardant paint compositions (Examples 1 to 7) according to the present invention can be confirmed. It can be confirmed that it exhibits excellent adhesion in a high-humidity environment, and it can be confirmed that the adhesion retention in a high-humidity environment of Example 7 is particularly excellent.

[Adhesiveness maintenance test in high temperature atmosphere]

The flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to the samples of wood, stone tile, Styrofoam, and paper finishing material, respectively, and dried completely to form a flame retardant coating layer, and then placed in a chamber at 45 ° C. After storage for a day, the adhesive holding power of each flame retardant coating composition was measured by densely adhering the tape with strong adhesive force to a certain area, then peeling it off again and measuring the area of the flame retardant coating layer that was attached to the peeled tape. The results are shown in Table 3 below. That is, the area (cm 2 ) of the coating layer adhered and peeled off per 25 cm 2 of the tape area used for the adhesion test is shown in Table 3 below.

wood stone tile Styrofoam paper finish Example 1 3.5 3 5 4.5 Example 2 3 4 6 3 Example 3 4 2.5 3 3 Example 4 One One 2.5 One Example 5 1.5 2.5 4.5 2 Example 6 One One 3 One Example 7 0 0 0 0.5 Comparative Example 1 14 19 21 17 Comparative Example 2 8 17 19 14 Comparative Example 3 10 12 17 13 Comparative Example 4 13 13 20 15 Comparative Example 5 14 10 18 19

Looking at the results of Table 3, it can be seen that the excellent high-temperature environment adhesion retention of the flame retardant paint compositions (Examples 1 to 7) according to the present invention can be confirmed. It can be confirmed that the excellent high-temperature environment adhesion was exhibited in , and it can be confirmed that the high-temperature environment adhesion retention of Example 7 was particularly excellent.

[Test for maintaining adhesion in high-salt atmosphere]

After the flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to samples of wood, stone tile, Styrofoam and paper finishing material, respectively, and dried completely to form a flame retardant coating layer, the salt concentration in the air was After storage for 30 days in a chamber of 1 g/m ³ , a tape with strong adhesive force is tightly adhered to a certain area and then peeled off again to measure the area of the flame-retardant coating layer attached to the peeled tape. was measured, and the results are shown in Table 4 below. That is, the area (cm 2 ) of the coating layer adhered and peeled off per 25 cm 2 of the tape area used for the adhesion test is shown in Table 4 below.

wood stone tile Styrofoam paper finish Example 1 3.0 3 4 4 Example 2 3.5 3 5 3 Example 3 4 2 3 2.5 Example 4 One 1.5 3 1.5 Example 5 1.5 2.5 4 2.5 Example 6 One 1.5 3 One Example 7 0 0.5 0.5 0.5 Comparative Example 1 14 19 20 18 Comparative Example 2 9 17 19 15 Comparative Example 3 11 15 17 13 Comparative Example 4 13 13 21 15 Comparative Example 5 16 11 18 18

Looking at the results of Table 4, it can be seen that the excellent high-salinity atmospheric environment adhesion retention of the flame retardant paint compositions (Examples 1 to 7) according to the present invention can be confirmed. It was confirmed that all of them exhibited excellent adhesive retention in high-salinity atmospheric environments, and it can be confirmed that the adhesive retention in high-salinity atmospheric environments of Example 7 was particularly excellent.

[Testing the degree of cracking of the flame retardant coating layer in a high-temperature atmospheric environment]

The flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to the samples of wood, stone tile, Styrofoam, and paper finishing material, respectively, and dried completely to form a flame retardant coating layer, and then placed in a chamber at 45 ° C. After storage for one day, the crack area formed on the flame retardant coating layer was measured, and the results are shown in Table 5 below. As for the crack area, the coating layer crack area (cm 2 ) generated per 25 cm 2 of the coating layer area is shown in Table 5 below.

wood stone tile Styrofoam paper finish Example 1 2 2 2 1.5 Example 2 2 2 3 2 Example 3 3 2.5 3 3 Example 4 1.5 One 2 One Example 5 1.5 2.5 2.5 One Example 6 One One One One Example 7 0 0 0 0.5 Comparative Example 1 10 12 14 12 Comparative Example 2 9 13 15 12 Comparative Example 3 11 12 12 10 Comparative Example 4 13 13 12 12 Comparative Example 5 10 10 13 13

Looking at the results of Table 5, it was confirmed that the flame-retardant coating compositions (Examples 1 to 7) according to the present invention had a very low cracking rate even in a high-temperature environment. It was confirmed that cracks hardly occurred even in a high-temperature environment in all of the paper finishing materials, and Example 7 exhibited the lowest cracking rate.

[Testing the degree of cracking of the flame retardant coating layer in a high-humidity atmosphere]

The flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to wood, stone tile, Styrofoam and paper finishing material samples, respectively, and dried completely to form a flame retardant coating layer, followed by a chamber with a relative humidity of 85 ° C. After storage for 30 days, the crack area formed on the flame retardant coating layer was measured, and the results are shown in Table 6 below. As for the crack area, the coating layer crack area (cm 2 ) generated per 25 cm 2 of the coating layer area is shown in Table 6 below.

wood stone tile Styrofoam paper finish Example 1 2 2 3 1.5 Example 2 3 2.5 3 2.5 Example 3 3 2.5 3 3.5 Example 4 1.5 1.5 2 One Example 5 1.5 3 3 1.5 Example 6 One 1.5 One 1.5 Example 7 0 0.5 0 0.5 Comparative Example 1 12 12 14 12 Comparative Example 2 11 14 13 12 Comparative Example 3 11 12 12 12 Comparative Example 4 12 14 14 12 Comparative Example 5 11 12 13 14

Looking at the results of Table 6, it was confirmed that the flame-retardant paint compositions (Examples 1 to 7) according to the present invention had a very low cracking rate even in a high-humidity environment. It was confirmed that cracks hardly occurred even in a high-humidity environment in all of the paper finishing materials, and Example 7 exhibited the lowest cracking rate.

[Test of crack occurrence in flame retardant coating layer in high salt atmosphere]

After the flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to samples of wood, stone tile, Styrofoam and paper finishing material, respectively, and dried completely to form a flame retardant coating layer, the salt concentration in the air was After storage for 30 days in a chamber of 1 g/m ³ , the crack area formed on the flame retardant coating layer was measured, and the results are shown in Table 7 below. As for the crack area, the coating layer crack area (cm 2 ) generated per 25 cm 2 of the coating layer area is shown in Table 7 below.

wood stone tile Styrofoam paper finish Example 1 2.5 2 2.5 1.5 Example 2 3.5 2.5 3 2.5 Example 3 3 2 3.5 3 Example 4 1.5 1.5 2.5 One Example 5 1.5 3 3 1.5 Example 6 One One 1.5 1.5 Example 7 0 0.5 0.5 0.5 Comparative Example 1 12 13 15 12 Comparative Example 2 12 15 13 12 Comparative Example 3 13 12 11 12 Comparative Example 4 12 14 14 13 Comparative Example 5 12 11 13 14

Looking at the results of Table 7, it was confirmed that the flame-retardant paint compositions (Examples 1 to 7) according to the present invention had a very low cracking rate even in a high salinity environment. It was confirmed that cracks hardly occurred even in a high-salinity environment in all of the paper finishing materials, and Example 7 exhibited the lowest cracking rate.

[Flame-proof performance test]

After applying the flame retardant paint composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 to the samples of wood, stone tile, Styrofoam and paper finishing material, respectively, and drying it completely to form a flame retardant coating layer, a certain area using a torch After contacting the flame for 10 seconds, immersing it in cold water to cool it, and removing all the coating layer with a chisel, the degree of burning of the wood, stone tile, Styrofoam and paper finishing material sample surfaces in contact with the coating layer was calculated as the area, and the results are shown in the table below. 8 is shown. That is, the burned area (cm2) per 25cm2 of sample area of wood, stone tile, Styrofoam and paper finishing material is shown in Table 8 below.

wood stone tile Styrofoam paper finish Example 1 0 0 0 0 Example 2 One 0 0 2 Example 3 0 One 2 0 Example 4 One 0 0 One Example 5 0 0 2 0 Example 6 0 0 0 0 Example 7 0 0 0 0 Comparative Example 1 8 8 8 8 Comparative Example 2 9 9 5 9 Comparative Example 3 10 9 9 9 Comparative Example 4 11 8 8 8 Comparative Example 5 15 7 9 9

Looking at the results of Table 8, it can be seen that the excellent flame retardant performance of the flame retardant paint compositions (Examples 1 to 7) according to the present invention are excellent, and in particular, Examples 1 to 7 are all excellent in wood, stone tiles, styrofoam and paper finishing materials. It was confirmed that the flame retardant performance was exhibited.

[Test of flame retardant performance retention in high humidity environment]

After applying the flame retardant paint composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 to samples of wood, stone tile, Styrofoam and paper finishing material, respectively, and drying it completely to form a flame retardant coating layer, a chamber with a relative humidity of 85% After storage for 30 days in a spacer, after contacting a certain area with a flame for 10 seconds using a torch, immersing it in cold water to cool, and removing all of the coating layer with a chisel. The degree of contamination was calculated as an area, and the results are shown in Table 9 below. That is, the burned area (cm2) per 25cm2 of sample area of wood, stone tile, Styrofoam and paper finishing material is shown in Table 9 below.

wood stone tile Styrofoam paper finish Example 1 One One One 1.5 Example 2 One 1.5 One 2.5 Example 3 0.5 1.5 2.5 0.5 Example 4 1.5 0.5 One 1.5 Example 5 0.5 0.5 2.5 0.5 Example 6 One 0.5 0 0.5 Example 7 0 0 0 0 Comparative Example 1 14 15 16 17 Comparative Example 2 15 16 15 15 Comparative Example 3 15 17 18 18 Comparative Example 4 16 18 17 18 Comparative Example 5 18 17 16 19

Looking at the results of Table 9, it can be seen that the excellent flame retardant performance retention in high humidity atmospheric environment of the flame retardant paint composition (Examples 1 to 7) according to the present invention is maintained. In particular, Examples 1 to 7 are all wood, stone tiles, Styrofoam and paper. It was confirmed that all of the finishing materials exhibited excellent flame retardant performance in high humidity atmospheric environment.

[Test of flame-retardant performance retention in high-temperature environment]

The flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to the samples of wood, stone tile, Styrofoam, and paper finishing material, respectively, and dried completely to form a flame retardant coating layer, and then placed in a chamber at 45 ° C. After storage for a day, use a torch to contact a flame over a certain area for 10 seconds, soak in cold water to cool, remove all coating layers with a chisel, and then burn wood, stone tiles, styrofoam, and paper finishing materials samples in contact with the coating layer was calculated as an area, and the results are shown in Table 10 below. That is, the burned area (cm2) per 25cm2 of sample area of wood, stone tile, Styrofoam and paper finishing material is shown in Table 10 below.

wood stone tile Styrofoam paper finish Example 1 1.5 One One 1.5 Example 2 1.5 2 One 2.5 Example 3 One 1.5 2.5 0.5 Example 4 1.5 One One One Example 5 One 0.5 2 0.5 Example 6 1.5 0.5 0 0.5 Example 7 0.5 0 0 0 Comparative Example 1 15 15 16 17 Comparative Example 2 14 14 17 17 Comparative Example 3 16 17 18 18 Comparative Example 4 16 19 17 18 Comparative Example 5 17 17 18 18

Looking at the results of Table 10, it can be seen that the excellent high temperature atmospheric environment flame retardant performance retention of the flame retardant paint compositions (Examples 1 to 7) according to the present invention can be confirmed. It was confirmed that all of the finishing materials exhibited excellent flame retardant performance in high temperature atmospheric environment.

[Test of flame-retardant performance retention in high-salt atmosphere]

After the flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to samples of wood, stone tile, Styrofoam and paper finishing material, respectively, and dried completely to form a flame retardant coating layer, the salt concentration in the air was After storing in a chamber with 1 g/m ³ for 30 days, use a torch to contact a certain area with a flame for 10 seconds, immerse it in cold water to cool, and remove all of the coating layer with a chisel. Wood, stone tiles, Styrofoam and The extent to which the surface of the paper finishing material sample was burned was calculated as the area, and the results are shown in Table 11 below. That is, the burned area (cm2) per 25cm2 of sample area of wood, stone tile, Styrofoam and paper finishing material is shown in Table 11 below.

wood stone tile Styrofoam paper finish Example 1 1.5 One One 2 Example 2 2 2 1.5 2 Example 3 One 1.5 2.5 0.5 Example 4 1.5 1.5 1.5 2 Example 5 One 0.5 2.5 0.5 Example 6 1.5 0.5 0.5 0.5 Example 7 0.5 0 0 0 Comparative Example 1 15 13 16 17 Comparative Example 2 14 14 17 15 Comparative Example 3 16 16 18 18 Comparative Example 4 15 18 17 16 Comparative Example 5 17 17 18 19

Looking at the results of Table 11, it can be seen that the excellent high-salt atmospheric environment flame retardant performance retention of the flame-retardant coating compositions (Examples 1 to 7) according to the present invention can be confirmed. It was confirmed that all of the finishing materials exhibited excellent flame-retardant performance in high-salinity atmospheric environments.

[Impact strength test]

After applying and completely drying the flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 on wood, stone tile, Styrofoam and paper finishing material samples, respectively, to form a flame retardant coating layer, ASTM D256 (Izod impact strength) The impact strength (kg·cm/cm2) was tested according to the experiment), and the results are shown in Table 12 below.

wood stone tile Styrofoam paper finish Example 1 110 110 105 105 Example 2 105 110 110 110 Example 3 105 105 105 108 Example 4 120 121 120 125 Example 5 122 122 121 125 Example 6 122 123 120 120 Example 7 129 131 129 132 Comparative Example 1 87 80 84 84 Comparative Example 2 88 85 85 86 Comparative Example 3 87 86 82 85 Comparative Example 4 85 84 84 84 Comparative Example 5 80 82 82 85

Looking at the results of Table 12, it can be confirmed that the excellent impact strength of the flame retardant coating compositions (Examples 1 to 7) according to the present invention, in particular, the impact strength of Example 7 is the best.

[Test for toxic gas generation]

The flame retardant coating composition prepared in Examples 1 to 7 and Comparative Examples 1 to 5 was applied to the wood and stone tile samples, respectively, and dried completely to form a flame retardant coating layer, and then a flame in a certain area was continuously contacted using a torch. After that, the amount of toxic gas (ppm) generated in the flame test chamber was measured, and the results are shown in Table 13 below.

wood
(carbon monoxide) stone tile
(Clearing gas) wood
(carbon monoxide) stone tile
(Clearing gas) Example 1 0.005 0.000 0.000 0.001 Example 2 0.004 0.001 0.001 0.000 Example 3 0.003 0.000 0.000 0.000 Example 4 0.002 0.001 0.000 0.000 Example 5 0.005 0.000 0.001 0.001 Example 6 0.004 0.000 0.000 0.000 Example 7 0.004 0.000 0.000 0.001 Comparative Example 1 0.02 0.05 0.06 0.04 Comparative Example 2 0.05 0.04 0.05 0.05 Comparative Example 3 0.61 0.63 0.58 0.54 Comparative Example 4 0.42 0.48 0.64 0.71 Comparative Example 5 0.62 0.39 0.63 0.67

Looking at the results of Table 13, it can be seen that almost no carbon monoxide and cyanide gas are generated in the flame retardant coating compositions (Examples 1 to 7) according to the present invention.

On the other hand, the present inventor requested a test on moisture resistance, afterflame time, residual time, carbonization area, carbonization length, etc. of the material to the Korea Fire Protection Industry and Technology Institute for the flame retardant composition of Example 2, and the results are attached to FIG. 1 .

Claims (8)

a first mixture comprising sodium silicate, sodium hydroxide, borax, liquid polyvinyl alcohol (PVA), and ground paper;
a second mixture comprising talc powder, pozzolan powder, perlite powder and silica gel; and
containing titanium dioxide,
The first mixture contains 5 parts by weight of sodium hydroxide, 40 parts by weight of borax, 100 parts by weight of liquid polyvinyl alcohol (PVA), and 15 parts by weight of a pulverized paper per 1,000 parts by weight of the sodium silicate,
The second mixture contains 600 parts by weight of pozzolan powder, 150 parts by weight of perlite powder, and 1,000 parts by weight of silica gel per 1,000 parts by weight of the talc powder,
The entire composition comprises the first mixture, the second mixture and titanium dioxide in a weight ratio of 1,000 parts by weight of the first mixture, 500 parts by weight of the second mixture, and 30 parts by weight of the titanium dioxide. delete delete delete delete delete delete delete

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