KR101851595B1 - Light reflecting composition for pillar and product produced by using thereof - Google Patents

Abstract

A mixture comprising nitrocellulose, an alkyd resin, a rosin ester, a phthalate and a solvent; And a glass bead, and a light-reflecting composition for the mouth-hold main body.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light reflecting composition,

And to a product formed using the same.

It is used for traffic signs, guard rails, road borders, street lights, street lights, electric poles, medians, fire walls, fire hydrants, sight guidance facilities, signs, safety signs, billboards and walls. To identify the presence of an object or to recognize the written phrase.

In order to effectively achieve a predetermined purpose, such a light reflecting composition for use as an adhesive should exhibit excellent reflection brightness and durability.

Recently, studies have been made on a light reflecting composition for luminescent purposes which realizes excellent reflection luminance and has excellent durability.

One embodiment is to provide a light reflecting composition for use as an adhesive which is capable of realizing excellent reflection brightness, excellent in durability, and excellent in aesthetic characteristics.

Another embodiment is to provide a product formed using the light reflecting composition as described above.

According to one embodiment, the light reflecting composition for an absorbent core comprises a mixture comprising nitrocellulose, an alkyd resin, a rosin ester, a phthalate and a solvent; And glass beads.

The rosin ester may be a maleic-modified rosin ester.

The phthalate may include at least one selected from the group consisting of diisodecyl phthalate, di (2-ethylhexyl) phthalate, diisononyl phthalate, and combinations thereof.

Wherein the solvent is selected from the group consisting of toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, methyl isobutyl ketone, isopropanol, dimethyl carbonate, n-butylacetate, 2-butoxyethanol, , ≪ / RTI >

The solvent comprises from about 1 volume% to about 10 volume% of the toluene, from about 1 volume% to about 10 volume% of the o-xylene, from about 1 volume% to about 10 volume% of the m- From about 1 volume% to about 10 volume% of said p-xylene, from about 1 volume% to about 10 volume% of said ethylbenzene, from about 10 volume% to about 20 volume% of said methyl isobutyl ketone, From about 1 volume% to about 10 volume% of the isopropanol, from about 1 volume% to about 10 volume% of the dimethyl carbonate, from about 1 volume% to about 10 volume% of the n-butylacetate, From about 1 volume% to about 10 volume%.

The mixture comprises from about 1 volume% to about 10 volume% of the nitrocellulose, from about 10 volume% to about 20 volume% of the alkyd resin, from about 1 volume% to about 10 volume% of the rosin ester, About 1% by volume to about 10% by volume of the phthalate, and the remaining amount of the solvent.

The glass beads may be selected from the group consisting of titanium dioxide (TiO ₂ ), silica (SiO ₂ ), iron oxide (II) (FeO), iron oxide (III) (Fe ₂ O ₃ ), iron oxide (Fe ₃ O ₄ ) , Magnesium oxide (MgO), aluminum oxide (Al ₂ O ₃ ), potassium oxide (K ₂ O), sodium oxide (Na ₂ O), and combinations thereof.

The glass beads are titanium dioxide (TiO ₂₎ from about 1% to about 3% by weight, a silica (SiO ₂₎ from about 50% to about 60% by weight, of iron oxide _{(III) (Fe 2 O 3} ) of about 1 the wt.% to about 3 wt%, calcium oxide (CaO) from about 0.1% to about 1% by weight, a magnesium oxide (MgO) from about 0.1% to about 2% by weight, aluminum oxide (Al ₂ O ₃₎ of about About 35 wt% to about 45 wt% potassium oxide (K ₂ O), about 0.01 wt% to about 2 wt% sodium oxide (Na ₂ O), and about 0.01 wt% to about 1 wt% potassium oxide (K ₂ O).

The glass bead may have a diameter of about 75 [mu] m to about 850 [mu] m.

The light reflecting composition may include the mixture and the glass beads in a volume ratio of about 10: 1 to about 10: 3.

The light reflecting composition for the present invention may have a reflection brightness of about 10 cd / (lx · m ² ) or more at an incident angle of about -4 ° and an observation angle of about 0.2 °.

Another embodiment provides a product formed using the light reflecting composition as described above.

The product may have a reflection luminance of about 10 cd / (lx · m ² ) or more at an incident angle of about -4 ° and an observation angle of about 0.2 °.

The light reflecting composition according to one embodiment can realize excellent reflection brightness, excellent durability, and can improve aesthetic characteristics.

FIG. 1 is a perspective view schematically showing a median strip coated with a light reflecting composition according to an embodiment of the present invention. Referring to FIG.
2 is a photograph taken at about 2:00 PM in a state where a headlight of a vehicle is illuminated on a stone plate coated with the light reflecting composition for use as an insert according to Example 2. FIG.
Fig. 3 is a photograph taken at night around 11 o'clock in a state in which the headlamp of a vehicle is illuminated on a stone plate coated with the light reflecting composition for use in the present invention prepared in Example 2. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Throughout the specification, when an element is referred to as " including " an element, it is to be understood that the element may include other elements, Means mixing, copolymerizing or melting. The term " standing pillars " refers to structures that are erected or attached to such structures, for example, traffic signs, guard rails, road borders, street lamps, street lamps, electric poles, medians, firewalls, fire hydrants, Signboards, billboards, walls, and the like, and may include moving objects other than fixed objects such as vehicles, motorcycles, bicycles, etc., but are not limited thereto.

One embodiment of the invention is a mixture comprising nitrocellulose, an alkyd resin, a rosin ester, a phthalate and a solvent; And a glass bead.

The light reflecting composition for an interlining has excellent reflection luminance characteristics, and reflects light such as a headlight, a searchlight and a flashlight of a vehicle at night, for example, after sunset, thereby easily confirming the presence of an object And to recognize the written phrase well, it is possible to induce traffic safety, to facilitate recognition of dangerous goods, and to prevent the occurrence of accidents. In addition, the composition for light-shielding use has excellent durability and can maintain its excellent reflection luminance characteristic for a long period of time, for example, for 5 years or more, thereby reducing costs.

The nitrocellulose can soften the light reflecting composition for the above-mentioned mouth so as to facilitate application to a desired object, and improve durability through bonding with a resin.

The nitrocellulose may be included at from about 1 volume% to about 10 volume%, and more specifically from about 3 volume% to about 9 volume%, more specifically from about 5 volume% to about 8 volume% . When the amount of the nitrocellulose used is within the above range, the coating property and the durability of the light reflecting composition for entrance can be improved more effectively.

The alkyd resin serves to bind the pigment as a binder.

The alkyd resin may be included at from about 10% by volume to about 20% by volume of the total amount of the mixture, specifically from about 12% by volume to about 19% by volume, more specifically from about 15% by volume to about 18% . When the amount of the alkyd resin used is within the above range, the adhesion property of the pigment can be improved more effectively in the light reflecting composition for the ink-receiving layer.

The rosin ester can serve to bind pigments as a binder, to form a coating film to improve durability, and to improve reflection brightness through gloss.

Specifically, the rosin ester is preferably a maleic-modified rosin ester, but is not limited thereto.

The rosin ester may be present at from about 1 volume% to about 10 volume%, and more specifically from about 3 volume% to about 9 volume%, more specifically from about 5 volume% to about 8 volume% . When the amount of the rosin ester used is within the above range, the adhesion property, durability, and reflection luminance characteristic of the pigment can be improved more effectively in the light reflecting composition for the present invention.

The phthalate may soften the light-reflecting composition for the mouth as a plasticizer, improve the appearance of the light-reflecting composition for the mouth, including the transparent pigment, and improve the appearance of the light, It is possible to improve the durability and the reflection luminance characteristic of the display device.

Specifically, the phthalate preferably includes at least one selected from the group consisting of diisodecyl phthalate, di (2-ethylhexyl) phthalate, diisononyl phthalate, and combinations thereof, but is not limited thereto.

The phthalate may be included at from about 1 volume% to about 10 volume%, and more specifically from about 3 volume% to about 9 volume%, more specifically from about 5 volume% to about 8 volume% . When the amount of the phthalate used is within the above range, the coating property, the durability and the reflection luminance characteristic of the light reflecting composition for the present invention can be improved more effectively and the aesthetic characteristics can be improved more effectively.

The solvent easily mixes the respective components of the light-reflecting composition for the mouth-taking main body, thereby facilitating the application and allowing the light-reflecting composition for the mouth-paint to be well-developed.

Specifically, the solvent is at least one selected from the group consisting of toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, methylisobutylketone, isopropanol, dimethylcarbonate, n-butyl acetate, 2-butoxyethanol, And more specifically, the solvent may include one or more selected from the group consisting of toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, methyl isobutyl ketone, isopropanol, dimethyl carbonate , n-butyl acetate and 2-butoxyethanol, but is not limited thereto, as long as it mixes the respective components of the light reflecting composition for ink-jet recording well. When the composition of the solvent is within the above range, it is possible to effectively improve the coating properties by mixing the respective components of the light reflecting composition for ink-jetting more effectively and to improve the characteristics of the light reflecting composition for the ink-receiving layer .

When the solvent includes toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, methyl isobutyl ketone, isopropanol, dimethyl carbonate, n-butyl acetate and 2-butoxyethanol, About 1 volume% to about 10 volume% of the toluene, about 1 volume% to about 10 volume% of the o-xylene, about 1 volume% to about 10 volume% of the m-xylene, from about 1 volume% to about 10 volume% of p-xylene, from about 1 volume% to about 10 volume% of ethylbenzene, from about 10 volume% to about 20 volume% of methyl isobutyl ketone, From about 1 volume% to about 10 volume% of the dimethyl carbonate, from about 1 volume% to about 10 volume% of the n-butylacetate, and from about 1 volume% to about 10 volume% of the 2-butoxyethanol. About 10% by volume. When the content of each component of the solvent is within the above range, it is possible to more effectively improve the applicability by mixing each constituent component of the light reflecting composition for ink-jetting more effectively, and the properties of the light- So that it can be expressed more well.

The glass beads serve to improve the reflection brightness and durability of the light reflecting composition for the entrance.

The glass beads may be selected from the group consisting of titanium dioxide (TiO ₂ ), silica (SiO ₂ ), iron oxide (II) (FeO), iron oxide (III) (Fe ₂ O ₃ ), iron oxide (Fe ₃ O ₄ ) , Magnesium oxide (MgO), aluminum oxide (Al ₂ O ₃ ), potassium oxide (K ₂ O), sodium oxide (Na ₂ O), and combinations thereof. (TiO ₂ ), silica (SiO ₂ ), iron oxide (III) (Fe ₂ O ₃ ), calcium oxide (CaO), magnesium oxide (MgO), aluminum oxide (Al ₂ O ₃ ) K ₂ O), and sodium oxide (Na ₂ O). When the composition of the glass beads is within the above range, the reflection brightness and the durability of the light reflecting composition for entrance can be effectively improved.

The glass beads are made of titanium dioxide (TiO _2), silica (SiO _2), iron oxide _{(III) (Fe 2 O 3} ), calcium oxide (CaO), magnesium oxide (MgO), aluminum oxide (Al ₂ O _3), oxide potassium (K ₂ O), those containing sodium (Na ₂ O) oxidation, the glass beads are the titanium dioxide (TiO ₂₎ from about 1% to about 3% by weight, the silica (SiO ₂₎ to about 50 About 1 wt.% To about 3 wt.% Of iron oxide (III) (Fe ₂ O ₃ ), about 0.1 wt.% To about 1 wt.% Of calcium oxide (CaO) About 0.1 wt% to about 2 wt% MgO, about 35 wt% to about 45 wt% aluminum oxide (Al ₂ O ₃ ), about 0.1 wt% to about 2 wt% potassium oxide (K ₂ O) And about 0.01 wt% to about 1 wt% of sodium oxide (Na ₂ O). When the composition of the glass beads is within the above range, the reflection brightness and durability of the light reflecting composition for entrance can be improved more effectively.

The glass bead may have a diameter of about 75 [mu] m to about 850 [mu] m, and more specifically about 100 [mu] m to about 750 [mu] m, more specifically about 150 [ And more specifically from about 200 [mu] m to about 450 [mu] m. When the diameter of the glass beads is within the above-mentioned range, the reflection brightness and durability of the light reflecting composition for entrance can be improved more effectively.

The light reflecting composition may include the mixture and the glass beads in a volume ratio of about 10: 1 to about 10: 3, and more specifically, in a volume ratio of about 10: 1.5 to about 10: 2.5. And more specifically about 10: 2 by volume. When the composition of the mixture and the glass bead is within the above range, the reflection brightness and durability of the light reflecting composition for entrance can be improved more effectively.

The light reflecting composition of the present invention can have a reflection brightness of about 10 cd / (lx · m ² ) or more at an incident angle of about -4 ° and an observation angle of about 0.2 °, and specifically about 15 cd / (lx · m ² ), And more specifically from about 15 cd / (lx · m ² ) to about 20 cd / (lx · m ² ). When the reflection brightness of the light reflecting composition for the mouth is within the above range, the visibility can be improved at night, for example, after sunset, the presence of the object can be confirmed more effectively, and the written phrase can be recognized more effectively.

The light-reflecting composition for the present invention may have a reflection brightness of about 5 cd / (lx · m ² ) or more at an incident angle of about 30 ° and an observation angle of about 0.2 °, and specifically about 10 cd / (lx · m ² ) And more specifically from about 10 cd / (lx · m ² ) to about 15 cd / (lx · m ² ). When the reflection brightness of the light reflecting composition for the mouth is within the above range, the visibility can be improved at night, for example, after sunset, the presence of the object can be confirmed more effectively, and the written phrase can be recognized more effectively.

The above light reflecting composition for use in the mouth can be applied directly to a traffic sign, a guard rail, a road boundary stone, a street light, a street light, a pole, a median barriers, a fire wall, a fire hydrant, a sight induction facility, a sign, a safety sign, The application may be carried out using a brush or a roller, or may be carried out using a spray, but is not limited thereto as long as application is possible.

Hereinafter, an example of the use of the light reflecting composition according to an embodiment of the present invention will be described with reference to FIG.

FIG. 1 is a perspective view schematically showing a median strip coated with a light reflecting composition according to an embodiment of the present invention. Referring to FIG.

Referring to FIG. 1, the light reflecting composition for applying the light is applied to the side surface of the median separator 100, that is, the portion 10 where the headlight of the vehicle is illuminated, and then dried. At this time, the light-reflecting composition for the present invention may be applied in a circular dot shape at intervals or in a continuous line shape, but the present invention is not limited thereto and may be applied in various forms as needed. When the light reflecting composition for applying the light to the median 100 is applied to the median 100, the driver can easily recognize the presence of the median 100 due to reflection of the headlight of the vehicle at night, for example, after sunset. It is possible to induce safety and effectively prevent accidents.

The use of the light reflecting composition shown in FIG. 1 is merely an example, and the present invention is not limited thereto. The light reflecting composition for use in the present invention can be applied to a light source such as a headlight, a searchlight, It is obvious that it is possible to apply it to a place where it is possible to receive and reflect the light of the various standing postures installed in places necessary for induction of traffic safety through prevention of accidents through recognition of dangerous materials.

In addition, the light reflecting composition for use in the present invention is not only used for fixtures, but also for various moving objects necessary for ensuring safety through night reflection, such as light reflection after the sunset, for example, It can be applied and used.

The thickness of the application may be from about 0.1 mm to about 10 mm, in particular from about 0.5 mm to about 7 mm, and more specifically from about 1 mm to about 5 mm, but is not limited thereto . When the thickness of the application is within the above-mentioned range, the effect of the light reflecting composition for applying the adhesive can be sufficiently exhibited, and the cost can be reduced.

Another embodiment of the present invention provides a product formed using the light reflecting composition of the present invention.

The product may be formed by applying the light reflecting composition for the mouth, and may be formed by adhering a signboard formed by applying the light reflecting composition for the mouth. However, the present invention is not limited thereto.

For example, the product may be a traffic sign, a guard rail, a road barrier, a street light, a street lamp, a pole, a median barriers, a fire wall, a fire hydrant, a gaze inducing facility, a sign, a safety sign, , A wall surface, and the like, but the present invention is not limited thereto, as long as it is a product that can be attached to a standing structure or a standing structure.

The product can have a reflection luminance of about 10 cd / (lx · m ² ) or more at an incident angle of about -4 ° and an observation angle of about 0.2 °, and more specifically, a reflection luminance of about 15 cd / (lx · m ² ) And more specifically from about 15 cd / (lx · m ² ) to about 20 cd / (lx · m ² ). When the reflection luminance of the product is within the above range, the visibility can be improved at night, for example, after sunset, the existence of the object can be confirmed more effectively, and the written phrase can be recognized more effectively.

The product may have a reflection luminance of about 5 cd / (lx · m ² ) or more at an incident angle of about 30 ° and an observation angle of about 0.2 °, and more specifically, a reflection luminance of about 10 cd / (lx · m ² ) And more specifically from about 10 cd / (lx · m ² ) to about 15 cd / (lx · m ² ). When the reflection luminance of the product is within the above range, the visibility can be improved at night, for example, after sunset, the existence of the object can be confirmed more effectively, and the written phrase can be recognized more effectively.

Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the following examples are for illustrative purposes and are not intended to limit the present invention.

Example

Example  One: Mouth  Preparation of light reflective composition

About 8% by volume of nitrocellulose, about 15% by volume of an alkyd resin, about 7% by volume of a maleic-modified rosin ester, about 7% by volume of a maleic-modified rosin ester, By volume, about 8% by volume of di (2-ethylhexyl) phthalate, and a residual amount of a solvent.

The solvent contained about 10% by volume of toluene, about 8% by volume of o-xylene, about 10% by volume of m-xylene, about 7% by volume of p-xylene, About 10% by volume of methyl isobutyl ketone, about 10% by volume of isopropanol, about 10% by volume of dimethyl carbonate, about 10% by volume of n-butyl acetate and about 10% by volume of 2-butoxyethanol %.

The above mixture and glass beads having a diameter of about 100 탆 were mixed at a volume ratio of about 10: 1 to prepare a light reflecting composition for use as an adhesive.

At this time, the glass bead is composed of about 2 wt% of titanium dioxide (TiO ₂ ), about 50 wt% of silica (SiO ₂ ), about ₂ wt% of iron oxide (III) (Fe ₂ O ₃ ) to about 0.5% by weight, magnesium oxide (MgO) from about 1% by weight, aluminum (Al ₂ O ₃₎ to about 43% by weight, potassium oxide (K ₂ O) to about 1% by weight and a sodium (Na ₂ O oxide ) In an amount of about 0.5% by weight.

Example  2: Mouth  Preparation of light reflective composition

A light reflecting composition for an immersion lens was prepared in the same manner as in Example 1, except that the above mixture and the glass beads were mixed at a volume ratio of about 10: 2.

Example  3: Mouth  Preparation of light reflective composition

A light-reflecting composition for an ink-receiving layer was prepared in the same manner as in Example 1, except that the above mixture and the glass beads were mixed at a volume ratio of about 10: 3.

Example  4: Mouth  Manufacture of products using light reflecting composition

The light reflecting composition prepared in Example 1 was applied to gray cardboard having a size of 7 cm x 15 cm and dried for 30 minutes to prepare a product.

Example  5: Mouth  Manufacture of products using light reflecting composition

A product was prepared in the same manner as in Example 4, except that the light reflecting composition for an ink-receiving layer prepared in Example 2 was used.

Example  6: Mouth  Manufacture of products using light reflecting composition

A product was prepared in the same manner as in Example 4, except that the light reflecting composition for an adhesive applied in Example 3 was used.

Test Example  1: reflection luminance evaluation

Using the products manufactured in Examples 4 to 6 as specimens, the reflection luminance characteristics were tested according to the method of KS A 3507: 2010 by the Korea Institute of Construction & Living Environment Test.

The results are shown in Table 1 below.

Reflective luminance performance
[Unit: cd / ( lx · M ² )] Incidence angle: -4 degrees, observation angle: 0.2 degree Incidence angle: 30 degrees, observation angle: 0.2 degrees Example  4 12.8 8.1 Example  5 17.8 11.0 Example  6 12.9 6.1

As shown in Table 1, it can be confirmed that the products of Examples 4 to 6 have excellent reflective luminance performance.

Test Example 2: Evaluation of visibility

The light reflection composition prepared in Example 2 was coated on a flat stone plate and dried. The visibility was evaluated by taking pictures of the headlights of the vehicle in daylight and at night.

Fig. 2 is a photograph of a stone plate coated with a light reflecting composition for use in the second embodiment of the present invention, taken at about 2 pm in a state where the headlamp of the vehicle is illuminated. Fig. 3 is a photograph .

2 and 3, it can be seen that the light-reflecting composition for use in the second embodiment of the present invention is transparent so that it can not be seen during the daytime, thereby improving the aesthetic appearance. In the nighttime, And to make it possible to recognize the written phrase more clearly.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

100: Median separator, 10: Headlight of vehicle

Claims (13)

A mixture comprising nitrocellulose, an alkyd resin, a rosin ester, a phthalate and a solvent; And
Glass bead
1. A light reflecting composition for use as an emulsion,
Wherein the mixture comprises 1 to 10% by volume of the nitrocellulose, 10 to 20% by volume of the alkyd resin, 1 to 10% by volume of the rosin ester, 1 to 10% by volume of the phthalate, The solvent is contained as a remaining amount,
The glass beads from 1% to 3% by weight of titanium dioxide (TiO _2), silica (SiO ₂₎ 50% by weight to 60% by weight, of iron oxide _{(III) (Fe 2 O 3} ) 1 wt.% To 3 wt. , 0.1 to 1 wt% of calcium oxide (CaO), 0.1 to 2 wt% of magnesium oxide (MgO), 35 to 45 wt% of aluminum oxide (Al ₂ O ₃ ) K ₂ O) in an amount of 0.1 wt% to 2 wt% and sodium oxide (Na ₂ O) in an amount of 0.01 wt% to 1 wt%.
The method according to claim 1,
Wherein the rosin ester is a maleic-modified rosin ester.
The method according to claim 1,
Wherein the phthalate comprises at least one member selected from the group consisting of diisodecyl phthalate, di (2-ethylhexyl) phthalate, diisononyl phthalate, and combinations thereof.
The method according to claim 1,
Wherein the solvent is selected from the group consisting of toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, methylisobutylketone, isopropanol, dimethyl carbonate, n-butylacetate, 2-butoxyethanol, ≪ / RTI > wherein the composition comprises at least one selected from the group consisting of:
5. The method of claim 4,
1 to 10 volume% of the toluene, 1 to 10 volume% of the o-xylene, 1 to 10 volume% of the m-xylene, and 1 to 10 volume% of the p- 1 to 10% by volume of xylene, 1 to 10% by volume of the ethylbenzene, 10 to 20% by volume of the methyl isobutyl ketone, 1 to 10% by volume of the isopropanol, 1 to 10% by volume of dimethyl carbonate, 1 to 10% by volume of said n-butyl acetate and 1 to 10% by volume of said 2-butoxyethanol. .
delete delete delete The method according to claim 1,
Wherein the glass bead has a diameter of from 75 占 퐉 to 850 占 퐉.
The method according to claim 1,
Wherein the mixture and the glass beads are contained in a volume ratio of 10: 1 to 10: 3.
The method according to claim 1,
Wherein the light reflecting composition has a reflection luminance of 10 cd / (lx · m ² ) or more at an incident angle of -4 ° and an observation angle of 0.2 °.
A product formed using the light reflecting composition according to any one of claims 1 to 5 and 9 to 11.
13. The method of claim 12,
Wherein the product has a reflection luminance of 10 cd / (lx · m ² ) or greater at an incident angle of -4 degrees and an observation angle of 0.2 degrees.

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