JPH09272818A - Lawn colorant composition - Google Patents

Abstract

(57) Abstract: The problem to be solved by the present invention is to provide a colorant composition for turf, which has both adhesion to turf and water resistance and does not cause growth damage to turf, and the turf colorant composition. An object of the present invention is to provide a turf line marker made of a colorant composition. A colorant composition for turf using a water-soluble acrylic resin as a fixing agent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a colorant composition for turf which is useful as a line marker for turf in sports fields and the like.

[0002]

2. Description of the Related Art Conventionally, lime or calcium carbonate powder or white gum tape has been used as a line marker for turf in stadiums or the like, but lime or calcium carbonate powder becomes a source of dust during competition. , There is a risk of health problems for athletes, and the white gum tape has a drawback that the adhesive remains on the lawn or the lawn comes off when the tape is peeled off.

For this reason, recently, an aqueous emulsion paint using a vinyl acetate emulsion resin as a fixing agent has come to be used as a colorant for turf. However, vinyl acetate emulsion resins are washed away under the natural conditions after turf coloring, such as rain and wind, and are washed away.
There was a problem that the sticking durability to the grass was poor.

[0004]

The problem to be solved by the present invention is to provide a colorant composition for turf which has both sticking property to turf and water resistance and does not cause growth failure on turf, and the turf colorant composition. An object of the present invention is to provide a turf line marker made of a colorant composition.

[0005]

Means for Solving the Problems The present inventors have conducted various studies on a colorant composition for turf, which has both fixing property to turf and water resistance and does not cause growth failure on turf. By using a water-soluble acrylic resin, it was possible to increase the adhesion of the colorant to turf, significantly improve the water resistance, and to find that there is no growth damage to turf, and to complete the present invention. I arrived.

That is, the present invention is a grass colorant composition using a water-soluble acrylic resin as a fixing agent, and more specifically, a grass colorant composition containing a water-soluble acrylic resin, a pigment, a dispersant, and water. More specifically, the water-soluble acrylic resin is 1 to 60% by weight, the pigment is 0.5 to 70% by weight, the dispersant is 0.1 to 5% by weight, and the water is 10 to 90%. A colorant composition for turf, characterized in that the content is% by weight.
Further, the present invention includes a grass line marker comprising the grass colorant composition of the present invention.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The water-soluble acrylic resin used in the present invention is not particularly limited as long as it is a commercially available water-soluble acrylic resin. For example, Waterzol S7
44 (containing 40% solids, manufactured by Dainippon Ink and Chemicals, Inc.), Waterzol S753 (containing 50% solids, same as above), Waterzol S707-IM (containing 45% solids, same as above), Waterzol S701 ( Solid content 41.5%, same as above) and the like.

As the pigment used in the present invention, any of inorganic pigments such as titanium oxide and organic pigments such as phthalocyanine blue, phthalocyanine green, Hansa yellow, imidazolone, lake red, quinacridone can be used. You can adjust the color of. Further, generally commercially available water-based pigments can also be used.

The dispersant used in the present invention is not particularly limited as long as it is a surfactant usually used in water-based paints. For example, anionic surface active agents such as polycarboxylic acid salts, polyphosphoric acid salts and alkylnaphthalene sulfonic acid salts. Agents and polyoxyethylene polyoxypropylene block polymers, polyoxyethylene arylphenyl ethers, polyoxyethylene alkylamino ethers, polyalkylene glycol ether derivatives of polyethylene polyamines, nonionic surfactants such as polyoxyethylene / polyoxypropyleneized ethylenediamine Can be mentioned.

The colorant composition for turf of the present invention preferably contains a filler in order to improve the hiding power of the coating film applied to the turf and to prevent the coating from dripping due to the improved thixotropy of the coating. Examples of the filler include talc, clay, calcium carbonate, mica, zeolite, silicon oxide and the like.

The viscosity of the colorant composition for turf may be adjusted by using a thickener commonly used in paints such as hydroxyethyl cellulose, methyl cellulose and carboxymethyl cellulose.

In addition to the above components, the colorant composition for turf of the present invention may optionally contain known additives such as defoaming agents, antifreezing agents and preservatives. As the defoaming agent, for example, a silicon-based one is preferably used, and as the antifreezing agent, for example, diols such as ethylene glycol and diethylene glycol, glycol ethers, urea and the like are preferably used.

The colorant composition for turf is prepared by a conventionally known method. That is, after dissolving the water-soluble acrylic resin and the dispersant in water, the pigment is added to the solution and stirred and dispersed. Further, fine particles may be formed by a ball mill, a homogenizer, a roll mill, a sand mill or the like.

Generally, the blending ratio of the water-soluble acrylic resin in the colorant composition for turf is set within the range not causing a problem in use as shown below. The dispersant is added in a weight ratio of about 1: 2 to 100 with respect to the total amount of the pigment and the filler.
.About.60% by weight, preferably 5 to 30% by weight, and a pigment of 0.
5-70% by weight, preferably 2-50% by weight, dispersant 0.1-5% by weight, preferably 0.3-3% by weight, water 10-90% by weight, preferably 20-70% by weight. Is. The colorant composition for turf of the present invention can be diluted with water or used as an undiluted solution.

[0015]

EXAMPLES Next, the present invention will be specifically described with reference to examples and test examples, but the present invention is not limited to the examples. (Example 1) Water-soluble acrylic resin (trade name: Waterzol S744, manufactured by Dainippon Ink and Chemicals, Inc., registered trademark) 10 parts (weight part, the same applies hereinafter), water 29.3 parts,
Ethylene glycol 3 parts as an antifreezing agent, polycarboxylic acid type polymer surfactant 0.7 parts as a pigment dispersant, modified silicone emulsion 0.1 part as an antifoaming agent,

As a preservative, 0.05 parts of Bestside 300 (registered trademark of Dainippon Ink and Chemicals, Inc.) and 0.3 part of methyl cellulose as a thickener were mixed to form a uniform mixture, and then a pigment was used as a dioxide. 32 parts of titanium and 24.55 parts of calcium carbonate as a filler were added, and the mixture was stirred for 10 minutes at 13000 rpm with a homogenizer to prepare a colorant composition for turf.

(Example 2) 8 parts of water-soluble acrylic resin (trade name: Waterzol S753, same as above), water 31.
3 parts, ethylene glycol 3 parts as an antifreezing agent, polycarboxylic acid type polymer surfactant 0.7 as a pigment dispersant
Parts, modified silicone emulsion 0.1 as defoamer
Part, Bestside 300 as an antiseptic (same as above) 0.05
Parts and 0.3 parts of methyl cellulose as a thickening agent to form a uniform mixture, and then titanium dioxide 3 as a pigment.
A colorant composition for grass was prepared by adding 2 parts and 24.55 parts of calcium carbonate as a filler and stirring at 13000 rpm for 10 minutes with a homogenizer.

Example 3 16.25 parts of water-soluble acrylic resin (trade name: Waterzol S701, same as above),
Water 17.05 parts, ethylene glycol 3 parts as an antifreezing agent, polycarboxylic acid type polymer surfactant 0.7 parts as a pigment dispersant, modified silicone emulsion 0.1 part as a defoaming agent, and best side as a preservative. 300 (same as above)
0.05 parts and 0.3 parts of methyl cellulose as a thickener are mixed to form a uniform mixture, and then 28 parts of titanium dioxide as a pigment, Ryudai Yellow KGL (registered trademark of Dainippon Ink and Chemicals, Inc.) 5 parts, Ryudai Green FBK (Dainippon Ink and Chemicals, Inc., registered trademark) 5 parts, and calcium carbonate 24.5 as a filler
5 parts was added, and the mixture was stirred at 13000 rpm for 10 minutes with a homogenizer to prepare a colored composition for turf.

(Example 4) 20 parts of water-soluble acrylic resin (trade name: Waterzol S753, same as above), 2 parts of water
3.4 parts, 3 parts ethylene glycol as an antifreezing agent,
0.7 parts of polycarboxylic acid type polymer surfactant as pigment dispersant, 0.1 part of modified silicone emulsion as defoaming agent, Bestside 300 as preservative (same as above)
After mixing 0.05 parts and 0.3 parts of methyl cellulose as a thickener to form a uniform mixture, 28 parts of titanium dioxide as a pigment and calcium carbonate 24.5 as a filler.
5 parts was added, and the mixture was stirred at 13000 rpm for 10 minutes with a homogenizer to prepare a colorant composition for turf.

Comparative Example 1 29.4 parts of water, 3 parts of ethylene glycol as an antifreezing agent, 0.7 parts of a polycarboxylic acid type polymer surfactant as a pigment dispersant, and a modified silicone emulsion of 0.1 as a defoaming agent. 1 part, 0.05 part of Bestside 300 (same as above) as an antiseptic, and 0.3 part of methylcellulose as a thickener were mixed to form a uniform mixture, and then 32 parts of titanium dioxide as a pigment and calcium carbonate as a filler 24 Add 0.55 parts and homomixer 100
Stirred at 0 rpm for 10 minutes. Vinyl acetate emulsion resin (trade name: Boncoat 662) was added to the obtained pigment dispersion.
0, a registered trademark of Dainippon Ink and Chemicals, Inc. 10
And add 10 parts at 13000 rpm homogenizer.
The mixture was stirred for minutes to prepare a colorant composition for turf.

(Comparative Example 2) 31.3 parts of water, 3 parts of ethylene glycol as an antifreezing agent, 0.7 part of a polycarboxylic acid type polymer surfactant as a pigment dispersant, and a modified silicone emulsion of 0.1 as a defoaming agent. 1 part, Bestside 300 (same as above) as a preservative, and 0.3 parts of methyl cellulose as a thickener were mixed to form a uniform mixture, and then 32 parts of titanium dioxide as a pigment and calcium carbonate as a filler. Add 24.55 parts and homomixer 10
The mixture was stirred at 00 rpm for 10 minutes. Vinyl acetate emulsion resin (trade name: Boncoat 93
05H, manufactured by Dainippon Ink and Chemicals, Inc., registered trademark)
Add 8 parts and homogenize at 13000 rpm for another 10
The mixture was stirred for minutes to prepare a colorant composition for turf.

(Test Example 1) Examples 1 and 2 or Comparative Example 1
The colorant composition for turf prepared in 2 and 2 was diluted with a double volume of water into a plastic test pot (29 × 16.5 × 10 cm) in which turf (bentgrass, trimmed to 2.5 cm) was cultivated, and a line marker was added. As a spray coating,
One hour after the application, artificial rain of 6 mm was applied to evaluate the adhesion to grass. The results are shown in Table 1.

When the colorant composition for turf prepared in Example 1 or 2 is applied, most of the undiluted solution and the 2-fold diluted solution are fixed to the turf, and there is no runoff due to rainfall. Further, with the 4-fold diluted solution, a slight runoff was observed, but it was almost the same as the stock solution application in Comparative Example 1. When Comparative Example 1 or 2 was applied, the stickiness of the lawn was good in the undiluted solution, but the stickiness was lost in the 2-fold and 4-fold diluted solutions, and the discoloration after rainfall was more frequent than in the Examples.

(Test Example 2) The colorant compositions for turf prepared in Examples 1 to 4 were mixed with various grasses (bentgrass, tall fescue, perennial rye, Kentucky blue, 2.5).
It was applied to a test plastic pot (29 × 16.5 × 10 cm) in which a pruned (cm) was cultivated 5 times in total every week. Then, it was cultivated for 1 week, the appearance of the above-ground part was examined, and the influence on the growth was evaluated. As a result, it was found that growth was not affected by any of the reagent solutions.

The lawn fixing properties shown in Table 1 were evaluated as follows. ⊚: Almost adheres to the grass surface and does not run away. ◯: Almost adhered to the surface of the lawn, but a slight runoff was observed. Δ: Although it adhered to the surface of the grass, most of it was washed away. ×: Almost no adherence to the surface of the turf and was washed away.

[0026]

[Table 1]

[0027]

EFFECT OF THE INVENTION The colorant composition for turf according to the present invention can increase the adhesion of the colorant for turf and greatly improve the water resistance by using a water-soluble acrylic resin as a fixing agent. Moreover, since it does not cause a growth failure on grass, it is useful as a line marker for grass in sports fields and the like.

Claims (4)

[Claims] 1. A turf colorant composition comprising a water-soluble acrylic resin as a fixing agent. 2. A turf colorant composition comprising a water-soluble acrylic resin, a pigment, a dispersant, and water. 3. A water-soluble acrylic resin in an amount of 1 to 60% by weight.
And 0.5 to 70% by weight of pigment and 0.1 to 5 of dispersant.
The colorant composition for turf according to claim 2, wherein the weight% and the water are 10 to 90% by weight. 4. A line marker for turf, which comprises the colorant composition for turf according to any one of claims 1 to 3.