JP3480983B2 - Floor coating composition - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor coating composition which can form a water resistant coating on various floors and can be chemically removed when the coating becomes dirty.

[0002]

2. Description of the Related Art Various coating compositions for floors (hereinafter, also referred to as floor polishes) capable of forming a water resistant film on a floor have been proposed so far. Among these, general floor polishes that do not contain inorganic substances such as colloidal silica and alumina sol have a relatively low hardness of the formed film, and satisfactory results can be obtained in terms of durability such as heel mark resistance and scuff resistance. Didn't. In order to improve this point, JP-A-61-14827
In JP-A No. 3 (1994), by mixing an aqueous resin and colloidal silica and using tributoxyethyl phosphate together, it is possible to achieve both toughness and flexibility of the coating and to improve the durability of the coating. Is disclosed. However, according to this method, although the durability is improved, another problem that water resistance, detergent resistance and storage stability of the floor polish dispersion liquid are deteriorated occurs. On the other hand, Japanese Patent Application Laid-Open No. 5-156177 discloses that
Coating compositions containing polymer emulsions using colloidal silica as a protective colloid are described.
However, the coating composition containing the polymer emulsion obtained by using the monomer composition described here has problems in releasability and recoatability.

[0003]

DISCLOSURE OF THE INVENTION The present invention provides a floor coating formation excellent in releasability, water resistance, detergent resistance and storage stability despite containing silica particles and / or alumina particles. An object is to provide a composition for use.

[0004]

According to the present invention, a specific coating polymer-forming monomer having an acidic group such as a carboxyl group in a molecule is dispersed in a colloidal silica and / or alumina sol dispersion aqueous solution in the absence of a silane coupling agent. in it can be obtained by heavy <br/> engaged, the at least part of the surface using silica particles and / or alumina particles formed by covering with the polymer, based on the finding that the above problems can be efficiently solved It was done. That is, the present invention has an acid value of 20 to 130 and a weight average molecular weight of 50,0.
A polymer of from 0 to 1,000,000 , wherein the silane is
A floor coating characterized in that silica particles and / or alumina particles obtained by coating at least a part of the surface of the polymer containing no coupling agent as a constitutional unit are dispersed in an aqueous medium. A forming composition is provided.

Examples of the colloidal silica and alumina sol used in the present invention include those used for floor polishing. Of these, those having an average particle size of 5 to 50 μ are preferable. In the present invention, an aqueous dispersion having a concentration of such colloidal silica and / or alumina sol of 10 to 30% by weight (concentration as solid content, hereinafter abbreviated as%), preferably 10 to 20% is prepared. . Further, in this aqueous dispersion, emulsifiers such as sodium lauryl sulfate and sodium lauryl diphenyl ether disulfonate, sodium alkylbenzene sulfonate, sodium α-olefin sulfonate, and ammonium persulfate and sodium, azobiscyanovaleric acid and t-butyl hydroperoxide, It is preferable to add a polymerization initiator such as azobisisobutyronitrile in an amount of 0.1 to 5%. Here, the amount of the emulsifier added is 0.1 to 5 per 100 parts by weight of the polymer.
It is preferable to use parts by weight.

Silica particles and / or alumina particles in which at least a part of the surface is coated with a polymer are prepared by adding a monomer for forming a coating polymer to an aqueous dispersion of such colloidal silica and / or alumina sol and polymerizing. To manufacture. Here, as the coating polymer forming monomer, styrene, styrene sulfonate, acrylic acid,
Examples thereof include methacrylic acid, maleic acid, itaconic acid, and alkyl (for example, alkyl groups having 1 to 8 carbon atoms) esters thereof, or a mixture of two or more thereof. this house,
Α, β having an acid value of 20 to 130, preferably 20 to 100
-Ethylenically unsaturated carboxylic acids, preferably acrylic acid, methacrylic acid, maleic acid, itaconic acid or mixtures thereof or salts thereof (including partial salts) and copolymerizable monomers such as styrene, α, β-ethylene Examples thereof include copolymers with an unsaturated alkyl carboxylic acid ester. Here, the α, β-ethylenically unsaturated carboxylic acid alkyl ester has an alkyl group having 1 to 1 carbon atoms.
2, preferably 1 to 4 alkyl esters, particularly preferably acrylic acid alkyl esters and / or methacrylic acid alkyl esters. The acid value is JIS
It can be easily determined by -K-0070. α,
The molar ratio of β-ethylenically unsaturated carboxylic acid / copolymerizable monomer may be arbitrary, but 3/97 to 20 /
80 is preferable, and more preferably 6/94 to 12
/ 88. Further, in the present invention, as the coating polymer,
A weight average molecular weight of 5,000,000 to 1,000,000, preferably 60,000 to 50,000,000 is used.

In the present invention, silica obtained by adding a monomer for forming a coating polymer to an aqueous dispersion of colloidal silica and / or alumina sol and polymerizing the same by the above-mentioned method and having at least a part of its surface coated with a polymer. A dispersion obtained by dispersing particles and / or alumina particles in an aqueous medium can be used as it is as the composition for forming a floor coating of the present invention. In the present invention, various additives can be contained in the above-mentioned composition for forming a floor coating. Of these, it is preferable to add a wax, which makes it possible to obtain appropriate slipperiness and to have excellent black heel mark resistance and durability. As the wax, a natural wax and a synthetic wax commonly used for floor polish can be used. Specific examples of the natural wax include carnauba wax, candelilla wax, montan wax, montan-derived wax, ceresin wax, paraffin wax, and the like, and synthetic wax includes polyethylene wax, microcrystalline wax, Fischer-Tropsch wax, and amide. Examples thereof include wax and acrylic wax. Of these, polyethylene wax and acrylic wax are preferable. The content of the wax in the floor coating composition of the present invention may be arbitrary, but is preferably 5 to 50%, more preferably 10 to 25%.

When the composition for forming a floor coating of the present invention further contains a cross-linking agent to cross-link the coating polymer of colloidal silica and / or alumina sol, the balance between detergent resistance and releasability is improved. In addition, the durability is also improved, which is preferable. Examples of the cross-linking agent used here include a polyvalent metal salt or a polyvalent metal complex. Specifically, the polyvalent metal is a metal having a valence of 2 or more, such as calcium, magnesium, zinc, barium, aluminum, zirconium, nickel, iron, cadmium, strontium, bismuth, beryllium, cobalt, lead, copper and antimony. Can be used. Particularly, calcium, zinc, and aluminum exhibit preferable performance. Further, as the ligand for forming the polyvalent metal complex, for example, carbonate ion,
Acetate, oxalate, malate, hydroxyacetate, tartrate, acrylate, lactate, octoate, formate, salicylate, benzoate, gluconate, and glutamate, glycine, alanine , Ammonia, morpholine, ethylenediamine, dimethylaminoethanol, diethylaminoethanol, monoethanolamine, diethanolamine, triethanolamine or inorganic acids, organic acids, amino acids and amines similar to these. Among these, for example, zinc ammonia carbonate, calcium carbonate ethylenediamine-ammonia, zinc acetate ammonia, zinc ammonia acrylate, zinc ammonia malate, zirconium malate ammonia,
Salts with the above polyvalent metals such as amino zinc aminoacetate and calcium alanine calcium are preferred. The content of the crosslinking agent in the floor coating composition of the present invention may be arbitrary, but a polymer emulsion containing a polymer having an acid value of 20 to 200 produced by polymerization of an ethylenically unsaturated monomer. It is preferable to react with a polyvalent metal compound in an amount of 0.05 to 0.9 chemical equivalent to the acid value of the polymer, more preferably 0.2 to 0.6 chemical equivalent.

By adding an alkali-soluble resin to the floor coating composition of the present invention, the leveling property, peeling property and glossiness can be improved. Examples of the alkali-soluble resin include styrene-maleic acid copolymer resin, rosin-maleic acid copolymer resin, water-soluble acrylic resin, water-soluble polyester resin and water-soluble epoxy resin. The content of the alkali-soluble resin in the floor coating-forming composition of the present invention may be arbitrary, but 2
˜20% is preferable, and more preferably 5%.
It is 10%.

By adding a water-soluble polyurethane resin to the floor coating composition of the present invention, durability and releasability can be improved. The water-soluble polyurethane resin is preferably a polyurethane resin in which a carboxylic acid and / or a carboxylic acid salt is present in the chain of the polyurethane resin. Such a compound can be obtained, for example, by adding a diol having a carboxylic acid group to a diol and a diisocyanate during the production of a polyurethane resin and polymerizing (neutralizing the carboxylic acid group if necessary). By introducing a carboxylic acid group in this way, a water-dispersible or water-soluble aqueous polyurethane resin can be obtained. Furthermore, it is also possible to add an emulsifier if necessary to make it aqueous. The amount of carboxylic acid and / or carboxylic acid salt contained in the polyurethane resin can be expressed as an acid value,
The acid value range of the aqueous polyurethane resin is 10 to 150.
And preferably 30 to 150. The acid value is the number of mg of KOH per 1 g of resin solid content.

In the present invention, regardless of the molecular weight, the molecular structure and the manufacturing method (polymerization method, presence or absence of solvent used for prepolymer polymerization or kind of solvent), any kind of aqueous polyurethane resin can be used. Can be used. The floor coating composition of the present invention may contain a plasticizer and / or a coalescing agent. As the plasticizer, dibutyl phthalate, dioctyl phthalate, 2-
Pyrrolidone, octyl diphenyl phosphate, tricresyl phosphate and the like can be mentioned. As the fusing agent, diethylene glycol monobutyl ether, diethylene glycol monoethyl ether, trimethylpentanediol / monoisobutylene, etc. can be used. Of these, phosphate ester plasticizers are preferably not used from the viewpoint of pollution prevention. The composition for forming a floor coating of the present invention may further contain silica sol.
Further, if desired, a preservative such as a fluorinated surfactant or pourmarin may be contained.

[0012]

According to the present invention, even though it contains silica particles and / or alumina particles, the releasability,
It is possible to provide a composition for floor coating formation, which is excellent in water resistance, detergent resistance and storage stability. In other words, in the present invention, the film-forming monomer is polymerized in the colloidal silica or alumina sol dispersion liquid to form the core-shell of the inorganic substance and the polymer, which is the prior art.
The drawbacks described in 1-148273 could be improved. By applying the floor coating composition of the present invention to the floor, a film having excellent water resistance and detergent resistance can be easily formed. Further, this coating has both toughness and flexibility of the coating, and is excellent in durability and fusion. Next, the present invention will be described with reference to examples.

[0013]

【Example】

Example 1 In a reaction vessel equipped with a stirrer, a reflux condenser, a dropping device and a thermometer, 13.00 g of pure water and 0.2 sodium lauryl diphenyl ether disulphonate as an emulsifier.
0 g, silica sol (Cataloid SN manufactured by Catalysts & Chemicals Industries Co., Ltd.) 3.90 g (solid content 0.78 g) and ammonia persulfate 0.50 g were charged, and the temperature was adjusted to 75 ° C. under stirring in a nitrogen atmosphere. Next, methyl methacrylate 21.
61 g, methacrylic acid 6.16 g, n-butyl acrylate 9.81 g, dimethylaminoethyl methacrylate 1.6
4 g of pure water emulsified with 42.88 g of pure water and 0.30 g of sodium lauryl diphenyl ether disulphonate,
It was added dropwise to the reaction vessel continuously over 4 hours. After completion of the dropping, aging was carried out for 3 hours to obtain a floor coating-forming composition A of the present invention.

Example 2 In a reaction vessel equipped with a stirrer, a reflux condenser, a dropping device and a thermometer, 13.00 g of pure water and 0.2 of sodium lauryl diphenyl ether disulphonate as an emulsifier.
0 g, silica sol (Cataloid SN manufactured by Catalysts & Chemicals Industries Co., Ltd.) 9.50 g (solid content conversion 1.90 g) and ammonia persulfate 0.50 g were charged, and the temperature was adjusted to 75 ° C. under stirring in a nitrogen atmosphere. Next, 11.43 g of styrene, 11.43 g of methyl methacrylate, 3.81 g of methacrylic acid,
An emulsion of 11.43 g of n-butyl acrylate emulsified with 38.40 g of pure water and 0.30 g of sodium lauryl diphenyl ether disulphonate was continuously added dropwise to the reaction vessel over 4 hours. After completion of dropping, aging was carried out for 3 hours to obtain a floor coating-forming composition B of the present invention.

Example 3 In a reaction vessel equipped with a stirrer, a reflux condenser, a dropping device and a thermometer, 0.10 g of sodium lauryl diphenyl ether disulphonate as an emulsifier, silica sol (Snowtex C manufactured by Nissan Chemical Industries, Ltd.) 66.67
g (13.33 g in terms of solid content) was charged, and in a nitrogen atmosphere,
The temperature was adjusted to 75 ° C. with stirring. Next, styrene 13.
33 g, methyl methacrylate 2.13 g, methacrylic acid
A product obtained by emulsifying 3.20 g, n-butyl acrylate 6.67 g, and sodium styrene sulfonate 1.33 g with pure water 6.57 g was continuously added dropwise to the reaction vessel over 4 hours. After completion of the dropping, aging was carried out for 3 hours to obtain a floor coating-forming composition C of the present invention.

Example 4 In a reaction vessel equipped with a stirrer, a reflux condenser, a dropping unit and a thermometer, 38.20 g of pure water, 0.70 g of sodium lauryl sulfate as an emulsifier, alumina (alumina powder AP manufactured by Catalyst Kasei Co., Ltd.) 20 0.00 g and 0.5 g of potassium persulfate were charged, and the temperature was adjusted to 75 ° C. under stirring in a nitrogen atmosphere. Next, methyl methacrylate 9.2
0 g, methacrylic acid 2.00 g, I-butyl acrylate
What was emulsified with 8.00 g, 0.80 g of 2-hydroxymethacrylate, 20.30 g of pure water, and 0.30 g of sodium lauryl sulfate was continuously added dropwise into the reaction vessel over 3 hours. After completion of dropping, aging was carried out for 4 hours to obtain a floor coating-forming composition D of the present invention.

Example 5 26.20 g of pure water in a reaction vessel equipped with a stirrer, a reflux condenser, a dropping device and a thermometer, 0.70 g of sodium lauryl sulfate as an emulsifier, alumina (alumina powder AP manufactured by Catalyst Kasei Kogyo Co., Ltd.) 32 0.00 g and 0.5 g of potassium persulfate were charged, and the temperature was adjusted to 75 ° C. under stirring in a nitrogen atmosphere. Next, methyl methacrylate 2.7
0 g, methacrylic acid 1.30 g, n-butyl acrylate
4.00 g, pure water 32.30 g and sodium lauryl sulfate
The emulsion emulsified at 0.30 g was continuously added dropwise to the reaction vessel over 3 hours. After completion of the dropping, aging was carried out for 4 hours to obtain a floor coating forming composition E of the present invention.

Comparative Example 1 In a reaction vessel equipped with a stirrer, a reflux condenser, a dropping device and a thermometer, 18.70 g of pure water and 0.2 of sodium lauryl diphenyl ether disulphonate as an emulsifier were used.
0 g and 0.50 g of ammonium persulfate were charged, and the temperature was adjusted to 75 ° C. under stirring in a nitrogen atmosphere. Next, styrene 12.00 g, methyl methacrylate 12.00 g, methacrylic acid 4.00 g, and n-butyl acrylate 12.00 g were emulsified with pure water 40.30 g and sodium lauryl diphenyl ether disulphonate 0.30 g to give 4 It was added dropwise to the reaction vessel continuously over time. After the dropping is completed,
It was aged for 3 hours to obtain a comparative floor coating forming composition X.

Comparative Example 2 18.20 g of pure water, 0.70 g of sodium lauryl sulfate as an emulsifier and 0.5 g of potassium persulfate were charged into a reaction vessel equipped with a stirrer, a reflux condenser, a dropping device and a thermometer, and the mixture was placed in a nitrogen atmosphere. The temperature was adjusted to 75 ° C. with stirring. Next, methyl methacrylate 21.60 g, methacrylic acid 0.80 g, I-butyl acrylate 16.00 g, 2
-Hydroxymethacrylate 1.60g, pure water 40.30g
And 3 emulsified with 0.3 g of sodium lauryl sulfate
It was added dropwise into the reaction vessel continuously over time. After completion of the dropping, aging was carried out for 4 hours to obtain a comparative floor coating forming composition Y. The components used in Examples 1 to 5 and Comparative Examples 1 and 2 are collectively shown in Table 1.

[0020]

[Table 1] Table-1 Floor coating composition A B C D E X Y Silica sol 1 0.78 1.90 Silica sol 2 13.33 Alumina powder A 20.00 32.00 Pure water 13.00 13.00 38.20 26.20 18.70 18.20 LDES ・ Na 0.20 0.20 0.10 0.20 Lauryl sulphate 0.70 0.70 0.70 Sodium ammonium persulfate 0.50 0.50 0.50 Potassium persulfate 0.50 0.50 0.50 Styrene 11.43 13.33 12.00 Methacrylic acid 6.16 3.81 3.20 2.00 1.30 4.00 0.80 Methyl methacrylate 21.61 11.43 2.13 9.20 2.70 12.00 21.60 Rate n-butylacry 9.81 11.43 6.67 4.00 12.00 Rate iso-butyl 8.00 16.00 Acrylate 2-hydroxy 0.80 1.60 Methacrylate Styrene sulfonic acid 1.33 Soda dimethylaminoethyl 1.64 Methacrylate pure water 42.88 38.40 6.57 20.30 32.30 40.30 40.30 LDES ・ Na 0.30 0.30 0.30 0.30 Lauryl sulphate 0.30 0.30 Sodium acid number 100 62 52 33 21 65 13 Weight average molecular weight * 350,000 280,000 100,000 150,000 20 500030 Man

[0021] * Showa Denko K.K. ・ Shodex GPC KF-80
In the measurement table with 0P + KF-80M + KF-80M + KF-802, silica sol 1 and the like represent the following. Silica sol 1: Cataloid SN Silica sol 2: Snowtex C LDES.Na: Sodium lauryl diphenyl ether disulfonate

Example 6 Floor coating forming compositions A to D and X and Y prepared in Examples 1 to 5 and Comparative Examples 1 and 2 were used, and various additives were added to the compositions of the present invention. Floor coating composition (1-10)
And Comparative floor coating forming compositions (21-25) were prepared. All floor coating compositions were manufactured by Dainippon Ink and Chemicals, Inc., a fluorinated surfactant "Megafuck F-81".
2 "and a preservative (formalin) were each contained in an amount of 0.04%, and the whole was adjusted to 100% with water. The performance of the floor coating-forming composition thus obtained was evaluated. The composition of the product is shown in Table-2 and the performance is shown in Table-3.
The following components were used in Table-2. Zinc Ammonium Carbonate : Zinc oxide is dispersed in water, and ammonia water and ammonium carbonate are sequentially added to and dissolved in this solution, which contains 5.62% as zinc. Used as a cross-linking agent. Calcium hydroxide : Wako Pure Chemical Industries, Ltd. reagent "calcium hydroxide special grade". Used as a cross-linking agent. Alkali-soluble resin : Acrylic alkali-soluble resin "Primal B-" manufactured by Rohm and Haas Company, USA
644 ". Polyethylene wax : polyethylene wax" High Tech E-4B "manufactured by Toho Chemical Industry Co., Ltd. Water-based urethane resin : water-based polyurethane resin" Neorets R-960 "manufactured by UK Zeneca Co., Ltd. Silica sol : Silica sol manufactured by Catalysts & Chemicals Co., Ltd. Cataloid SN ". Fusing agent : diethylene glycol monoethyl ether.

The performance of the floor coating forming composition was measured by the following method. Heel mark resistance : Conforms to the heel mark resistance of JIS K 3920-15 floor polish test method. However, the evaluation was performed by a 5-point method (5: excellent to 1: poor). Slip resistance : According to JIS A 1407 floor slip test method. Water resistance : Based on the water resistance of JIS K 3920-17 floor polish test method. Detergent resistance : Conforms to the detergent resistance of JIS K 3920-18 floor polish test method. Abrasion resistance : Preparation of JIS K 3920-6.5 floor polish test method test piece (coating adjustment with gauze)
The test piece prepared according to the above-mentioned method and allowed to stand at room temperature for 7 days is subjected to a Taber tester (wear wheel CS-17, load 1000 g) to measure the wear loss. Hardness : A sample was applied on a glass plate so as to have a concentration of 10 ± 2 ml / m ^2, and a test piece that was left standing at room temperature for 14 days was subjected to a Tukon micro hardness tester to measure the film hardness. The measured value is
It is indicated by Knoop hardness (KHN). Peelability: compliant JISK3920-19 removal of floor polish test method (precision).

[0024]

[Table 2] Table-2 (Part 1) Example 1 2 3 4 5 6 7 8 Composition A 20.00 31.25 Composition B 40.00 11.25 Composition C 40.00 Composition D 20.00 6.25 Composition E 40.00 20.00 Zinc carbonate 4.94 2.06 3.46 0.81 0.58 3.88 0.78 Ammonium alkali soluble 2.38 2.38 2.38 2.38 2.38 3.57 3.57 3.57 resin polyethylene 7.50 7.50 7.50 7.50 7.50 22.50 25.00 12.50 wax aqueous urethane 24.24 24.24 sol 25.00 coalescent 2.67 5.33 5.33 2.67 5.33 2.50 5.50 6.67 tributoxyethyl 1.33 1.33 1.33 1.33 1.33 0.67 1.00 1.67 Suosufeito dibutyl phthalate 1.33 table in Tributoxyethyl phosphate and dibutyl phthalate were used as a plasticizer and a leveling agent (hereinafter the same).

[0025]

[Table 3] Table-2 (Part 2) Present invention Comparative Example 9 10 21 22 23 24 25 Composition B 25.00 Composition D 22.50 Composition E 20.00 Composition X 40.00 11.25 25.00 Composition Y 21.00 20.00 26.25 25.00 Zinc carbonate 3.93 1.43 2.16 0.61 1.70 4.32 Ammonium calcium hydroxide 0.063 0.014 0.069 Alkali-soluble resin 2.38 2.38 3.57 3.57 Polyethylene 7.50 7.50 7.50 22.50 12.50 Wax aqueous urethane 24.24 Silica sol 25.00 Fusing agent 5.33 5.33 5.33 2.67 2.50 6.67 5.33 Tryptoxyethyl 1.67 1.67 1.33 1.33 0.67 1.67 1.67 Phosphate dibutyl phthalate 0.67 1.33 0.67

[0026]

[Table 4] Table-3 (Part 1) The present invention 1 2 3 4 5 6 7 8 Heel mark resistance 5 5 5 5 5 5 4 4 Slip resistance 0.32 0.31 0.35 0.38 0.45 0.41 0.30 0.38 Water resistance Whitening Whitening Whitening Whitening Whitening Whitening slightly None None None None Whitening None None Whitening Detergent resistance Excellent Excellent Excellent Excellent Good Good Good Good Good Abrasion resistance 3.1 3.2 2.5 2.0 1.6 2.8 3.8 1.9 Hardness 9.5 10.2 12.0 13.1 15.6 14.3 7.8 14.0 Peelability Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent

[0027]

[Table 5] Table-3 (Part 2) Invention Comparative Example 9 10 21 22 23 24 25 Heel mark resistance 3 5 2 2 5 2 1 Slip resistance 0.30 0.40 0.24 0.25 0.38 0.23 0.28 Water resistant Whitening Slightly whitening Slightly whitening Whitening No whitening No whitening No detergent Excellent Excellent Good Excellent Good Bad Poor Good Excellent Abrasion resistance 3.4 1.7 5.2 4.8 6.9 5.4 4.5 Hardness 9.6 14.4 7.3 7.6 10.3 6.5 8.1 Peelability Excellent Excellent Excellent Excellent Bad Normal Bad

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) C09D 1/00-10/00 C09D 101/00-201/10 C09C 1/00-3/12 C09D 15 / 00-17/00 C08C 19/00-19/44 C08F 6/00-246/00

Claims (3)

(57) [Claims] 1. A acid value is and a weight average molecular weight is 20 to 130 was in the polymer is 50,000 to 1,000,000
The silane coupling agent is not included as a constituent unit.
A composition for floor coating formation, characterized in that silica particles and / or alumina particles, at least a part of the surface of which is coated with a polymer, are dispersed in an aqueous medium. 2. The floor coating composition according to claim 1, further comprising a wax. Wherein said polymer at least a portion of the surface is coated with silica particles and / or alumina particles, obtained by polymerizing a coating polymer forming monomers in the colloidal silica and / or alumina sol dispersion solution of The composition for forming a floor coating according to claim 1 or 2, which is one of the following: