JPH0996092A - Floor face with protruded part and laying method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor face with protruded parts and the laying method thereof and detect the floor face with protruded parts by a magnetic sensor. SOLUTION: A floor face with protruded parts is obtained by sticking the protrusions on the floor face by use of a cold-setting acrylic resin. The cold- setting acrylic resin contains signal functional (meth)acrylate, multi-functional (meth)acrylate, an initiator of polymerization, and an accelerator of decomposition. The floor face with protrusions is provided with magnetism by addition of magnetic powdered materials into a cold-setting acrylic resin. The protrusions can be easily and rapidly connected to a wet, dry, or oily floor face by use of the acrylic cold-setting resin.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor surface having a convex portion and a construction method thereof. Specifically, the present invention relates to a floor surface having a convex portion for guiding the visually impaired person or having a convex portion for preventing slippage, and a construction method thereof.

[0002]

2. Description of the Related Art Braille blocks for guiding visually impaired persons and non-slip tiles constituting non-slip areas are completed by constructing blocks having convex portions at intersections or at the tip of the platform of a station. The blocks currently used are generally made of cement, polyester or polyvinyl chloride, but they have the following drawbacks.

Since the cement block is required to have a large thickness in terms of strength, the weight becomes heavy and extra cost is required for carrying and transporting, and when constructing, the floor surface must be dug up by the thickness. It had a drawback that it had to be used (see Japanese Patent Publication No. 58-22603). Although the polyester block is thin and lightweight, it still has the drawback that the floor surface must be dug up for construction. The polyvinyl chloride block is thin, lightweight and flexible, and can be installed by the bonding method without the need to dig up the floor surface during installation. However, the polyvinyl chloride block has a drawback that it causes poor adhesion during use and often peels off the floor surface.

If cement blocks or polyester blocks are used by the bonding method, it is not necessary to dig up the floor surface. However, these blocks need to have a certain thickness or more in order to prevent the product from being damaged, so that there is a disadvantage that the thickness is too thick and steps are generated on the floor surface, which is not preferable.

In order to solve the above drawbacks, a construction method has been proposed in which protrusions such as hemispheres are bonded to a floor surface coated with a room temperature curable resin (Japanese Patent Publication No. 54-35404).
issue). In this method, the marking material, which is formed by arranging and adhering the projections on a carrier such as a net or paper at regular intervals, is placed on the floor surface coated with the room temperature curable resin, and the bottom of the projections is placed. After a part of the resin is immersed in the room temperature curable resin, the resin is cured to form a floor surface having convex portions. According to this method, the construction can be carried out quickly, and the floor surface having the finished convex portion does not have a step, and there is no fear that the projection and the floor surface are firmly and integrally bonded and separated.

[0006]

However, since the room temperature curable resin used in the above method is an epoxy resin or a polyester resin, it adheres firmly and integrally when the floor surface is in a dry state. There is a problem that the surface of the floor surface is wet or even wet with oil, particularly when the floor surface is asphalt, it causes adhesion failure during use and peels from the floor surface. Therefore, there is a problem in that a floor surface treatment process such as drying the floor surface to be constructed or removing oil on the floor surface is required, and the construction time is lengthened accordingly.

As a result of intensive studies, the present inventors have found that these problems can be solved by using an acrylic cold-setting resin when constructing a floor surface having a convex portion.

[0008]

That is, the present invention is a floor surface having a convex portion and a method of constructing the floor surface, characterized in that an acrylic cold-setting resin is used to bond the projection to the floor surface. Further, there is provided a floor surface having a convex portion, characterized in that the acrylic cold-setting adhesive further contains magnetic powder, and a construction method thereof.

According to the present invention, a floor surface having a convex portion can be obtained simply and quickly. Furthermore, the protrusions adhere firmly and integrally to each other even if the floor surface is in a dry state, in a wet state, or even in a state in which it is wet with oil, and does not peel off. Further, the floor surface treatment step for drying the floor surface to be constructed and further removing the oily air from the floor surface is unnecessary, so that the construction time can be shortened.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below.
The protrusions are usually formed in a hemispherical shape or a substantially hemispherical shape, or in a band shape or a substantially band shape. The material of the protrusions and the floor surface is not particularly limited as long as it has wear resistance and weather resistance. As the organic material, thermosetting resin such as epoxy resin, urethane resin, polyester resin or acrylic resin, thermoplastic resin such as polypropylene resin or ABS resin, SBR or N
Examples thereof include rubber such as BR and asphalt. Examples of the inorganic material include metals such as iron and stainless steel, ceramics such as ceramics, stone materials, cement and concrete, and the like. Of these, asphalt is preferable as the organic material. Ceramics are preferable as the inorganic material, and cement or concrete is particularly preferable.

The acrylic cold-setting resin used in the present invention is a cold-setting resin containing at least one (meth) acryloyl group in one molecule. By using the acrylic cold-setting resin, it is possible to exert an effect that the floor surface is firmly and integrally bonded and does not peel off not only in a dry state but also in a wet state.

The acrylic room temperature curable resin preferably contains (a) monofunctional (meth) acrylate, (b) polyfunctional (meth) acrylate, (c) polymerization initiator and (d) decomposition accelerator. .

The (a) monofunctional (meth) acrylate used in the present invention means one having one (meth) acryloyl group in one molecule. These monofunctional (meth) acrylates can be used even when the floor surface is wet or dry.
The feature is that the protrusion can be adhered to the floor surface.

The monofunctional (meth) acrylate used in the present invention includes (meth) acrylic acid, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate and butyl (meth) acrylate. ) Acrylate,
2-ethylhexyl (meth) acrylate, isooctyl (meth) acrylate, isodecyl (meth) acrylate, lauryl (meth) acrylate, stearyl (meth) acrylate, phenyl (meth) acrylate, Cyclohexyl (meth) acrylate, dicyclopentanyl (meth) acrylate, dicyclopentenyl (meth)
Acrylate, isobornyl (meth) acrylate, methoxylated cyclodecatriene (meth) acrylate, dicyclopentenyloxyethyl (meth) acrylate,
2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, polyethylene glycol mono (meth) ) Acrylate, polypropylene glycol mono (meth) acrylate, alkyloxypolyethylene glycol mono (meth) acrylate, alkyloxypolypropylene glycol mono (meth) acrylate, phenoxypolyethylene glycol mono (meth) Acrylate, phenoxy polypropylene glycol mono (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, 2-hydroxy-3-phenoxypropyl (meth) acrylate, dicyclopentenyloxyethyl (meth) acrylate − , Glycidyl (meth) acrylate, caprolactone-modified tetrahydrofurfuryl (meth) acrylate, 3-chloro-2-hydroxypropyl (meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, N, N-diethylaminoethyl (meth) acrylate, t-butylaminoethyl (meth) acrylate, morpholine (meth) acrylate,
Ethoxycarbonylmethyl (meth) acrylate, ethylene oxide-modified phthalic acid (meth) acrylate, ethylene oxide-modified succinic acid (meth) acrylate, trifluoroethyl (meth) acrylate, tetrafluoropropyl (meth) acrylate Or 2-hydroxy-3-
(Meth) acryloyloxypropyl trimethyl ammonium chloride etc. are mentioned. One or more of these can be used.

When the adhesiveness and the curability are taken into consideration, the amount of these (a) used is 100 in total of (a) and (b).
The amount is preferably 10 to 95 parts by weight, more preferably 20 to 85 parts by weight, and most preferably 30 to 70 parts by weight. If the amount is less than 10 parts by weight, the shrinkage after curing is small, but the workability is deteriorated, or the cured product becomes too hard, resulting in poor adhesion, and the protrusions may peel off from the floor surface. If it exceeds 95 parts by weight, shrinkage after curing becomes large, and the projections may also be peeled off from the floor surface.

In order to bond well not only when the surface of the floor surface is in a dry state or in a wet state, but also when the surface has a surface wet with oil such as asphalt,
The monofunctional (meth) acrylate of (a) preferably contains (a) a hydrophilic monofunctional (meth) acrylate and (a) a hydrophobic monofunctional (meth) acrylate.

The hydrophilic monofunctional (meth) acrylate used in the present invention means a monofunctional (meth) acrylate having a hydroxyl group, a carboxyl group, an amino group or a sulfonyl group in one molecule. Examples of the hydrophilic monofunctional (meth) acrylate include (meth) acrylic acid, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, polyethylene glycol mono (meth) acrylate, polypropylene glycol mono (meth) acrylate, 2-hydroxy-3-phenoxypropyl (meth) acrylate, 3- Chloro-2-hydroxypropyl (meth) acrylate, 2-hydroxy-3- (meth) acryloyloxypropyltrimethylammonium chloride or N, N-diethylaminoethyl (meth)
Examples include acrylate.

Among these hydrophilic monofunctional (meth) acrylates, monofunctional (meth) acrylates having a hydroxyalkyl group having 1 to 8 carbon atoms are more preferable, and 2-hydroxyethyl (meth) acrylate. Or 2
Most preferred is -hydroxypropyl (meth) acrylate. One or more of these can be used.

The amount of (a) used is in the range of 2 to 90 parts by weight, more preferably 5 to 80 parts by weight, based on 100 parts by weight of the total of (a) and (a). If it is less than 2 parts by weight, adhesion failure occurs when the floor surface is in a wet state,
If it exceeds 90 parts by weight, adhesion failure may occur when the floor surface is wet with oil, so that the effect of the present invention may not be obtained.

The (b) hydrophobic monofunctional (meth) acrylate used in the present invention means a monofunctional (meth) acrylate having no hydroxyl group, carboxyl group, amino group or sulfonyl group in one molecule. For example, as hydrophobic monofunctional (meth) acrylates, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, 2-
Ethylhexyl (meth) acrylate, isooctyl (meth) acrylate, isodecyl (meth) acrylate
, Lauryl (meth) acrylate, stearyl (meth) acrylate, phenyl (meth) acrylate, cyclohexyl (meth) acrylate, dicyclopentanyl (meth) acrylate, dicyclopentenyl (meth )
Acrylate, isobornyl (meth) acrylate, methoxylated cyclodecatriene (meth) acrylate, dicyclopentenyloxyethyl (meth) acrylate,
Alkyloxy polyethylene glycol mono (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, glycidyl (meth) acrylate, t-butylaminoethyl (meth) acrylate, morpholine (meth)
Examples thereof include acrylate, trifluoroethyl (meth) acrylate and tetrafluoropropyl (meth) acrylate. One or more of these can be used.

Among these hydrophobic monofunctional (meth) acrylates, alkyl mono (meth) acrylate having an alkyl group having 1 to 8 carbon atoms is preferable. These one
Species or two or more can be used.

The amount of (a) used is 10 to 98 parts by weight, more preferably 20 to 95 parts by weight, based on 100 parts by weight of the total of (a) and (a). If it is less than 10 parts by weight, poor adhesion will occur when the floor surface is wet with oil, and if it exceeds 98 parts by weight, poor adhesion will occur when the floor surface is in a wet state. It may not be obtained.

The polyfunctional (meth) acrylate of (b) of the present invention is one having two or more (meth) acryloyl groups as active groups at the terminal. The polyfunctional (meth) acrylate has a feature of facilitating the copolymerization with the monofunctional (meth) acrylate. By using such a polyfunctional (meth) acrylate, it can be easily cured at room temperature, and the protrusions can be more firmly adhered to the floor surface and can be prevented from peeling off. Since an inactive oligomer or polymer having no active group at the end is not easy to copolymerize with (meth) acrylate, it exhibits only a filling effect,
Adhesion is significantly reduced.

As the polyfunctional (meth) acrylate used in the present invention, polyethylene glycol di (meth) acrylate, polyglycerol di (meth) acrylate,
Polypropylene glycol (meth) acrylate, polybutylene glycol di (meth) acrylate, 1,4
-Butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol −
Lutetra (meth) acrylate, dipentaerythritol
Ruhexa (meth) acrylate, tris (meth) acryloyloxyethyl isocyanurate, 2,2-bis (4- (meth) acryloxyphenyl) propane, 2,
2-bis (4- (meth) acryloxyethoxyphenyl) propane, 2,2-bis (4- (meth) acryloxydiethoxyphenyl) propane, 2,2-bis (4-
(Meth) acryloxypropoxyphenyl) propane,
2,2-bis (4- (meth) acryloxytetraethoxyphenyl) propane, epoxy acrylate "biscoat # 540" (Osaka Organic Chemical Industry Co., Ltd.), epoxy acrylate "epoxy ester 3000M" (Kyoeisha Chemical Co., Ltd.), polyester Acrylate "Aronix M
-6100 "(manufactured by Toa Gosei), urethane acrylate" Aronix M-1100 "(manufactured by Toa Gosei), polybutadiene acrylate" TE-2000 "(manufactured by Nippon Soda) or acrylonitrile butadiene acrylate" HycarVTBNX "(manufactured by Ube Industries). ) And the like.

Among these polyfunctional (meth) acrylates, a polyfunctional (meth) acrylate having a bisphenol skeleton or a 1,2-polybutadiene skeleton in the molecule improves the adhesiveness, particularly a concrete under a wet condition. It is preferable from the viewpoint of improving the adhesiveness to the like. One or more of these can be used.

These polyfunctional (meth) acrylates are produced by known methods. That is, the polyfunctional (meth) acrylate having a 1,2-polybutadiene skeleton in the molecule is
For example, hydroxyl-terminated 1,2-obtained by living anionic polymerization
The polyisocyanate oligomer is reacted with a diisocyanate compound, and then the residual isocyanate group is reacted with, for example, 2-
It can be obtained by reacting a (meth) acrylate having a hydroxyl group such as hydroxyethyl (meth) acrylate.

Further, the terminal (meth) acryloyl-modified acrylonitrile-butadiene oligomer has a hydroxyl group at the terminal by radical emulsion polymerization of acrylonitrile and butadiene by using, for example, an azo catalyst having two hydroxyl groups as a polymerization initiator. It is obtained by preparing an oligomer and reacting it with a carboxylic acid having a (meth) acryloyl group or a derivative thereof, such as (meth) acrylic acid.

Examples of the polyfunctional (meth) acrylate having a bisphenol skeleton in the molecule include (meth) acrylate represented by the following formula.

[Chemical 1]In the formula, A is a (meth) acryloyloxy group, R₁Is -C
H₂CH (OH) CH ₂-Or -CH₂CH (OH) C
H₂OCH₂CH (CH_Three)-, R₂Is hydrogen or carbon number
1-4 shows the alkyl group and p represents the integer of 1-8.

The amount of these (b) used is 100 when the adhesiveness and curability are taken into consideration.
The amount is preferably 5 to 90 parts by weight, more preferably 15 to 80 parts by weight, and most preferably 30 to 70 parts by weight. If it is less than 5 parts by weight, shrinkage of the cured product becomes large, and the protrusions may peel off from the floor surface. If it exceeds 90 parts by weight, the shrinkage after curing will be small, but the workability will be reduced and the cured product will become too hard, resulting in poor adhesion.
The protrusion may peel off the floor.

The (c) polymerization initiator used in the present invention is one having a function of a so-called radical polymerization initiator, and examples thereof include organic peroxides and azo compounds.

Examples of the organic peroxide include the following. (1) Ketone peroxides: methyl ethyl ketone peroxide, cyclohexanone peroxide, 3,
3,5-trimethylcyclohexanone peroxide,
Methyl cyclohexanone peroxide, methyl acetoacetate peroxide, acetylacetone peroxide, etc.

(2) Peroxyketals: 1,1-bis (tert-butylperoxy) -3,3,5-trimethylcyclohexane, 1,1-bis (tert-butylperoxy) cyclohexane, 2,2 -Bis (tert-butylperoxy) octane, normal butyl-4,4-bis (tert-butylperoxy) valerate or 2,2-bis (tert-butylperoxy) butane.

(3) Hydroperoxides: tertiary butyl hydroperoxide, cumene hydroperoxide, diisopropylbenzene hydroperoxide, paramenthane hydroperoxide,
2,5-dimethylhexane-2,5-dihydroperoxide or 1,1,3,3-tetramethylbutyl hydroperoxide.

(4) Dialkyl peroxides: ditertiary butyl peroxide, tert-butyl cumyl peroxide, dicumyl peroxide, α,
α'-bis (tert-butylperoxy-meta-isopropyl) benzene, 2,5-dimethyl-2,5-di (tert-butylperoxy) hexane or 2,5
-Dimethyl-2,5-di (tert-butylperoxy) hexyne-3 and the like.

(5) Diacyl peroxides: acetyl peroxide, isobutyl peroxide, octanoyl peroxide, decanoyl peroxide, laurinoyl peroxide, 3,3,5-trimethylhexanoyl peroxide, succinic acid peroxide Oxide, benzoyl peroxide, 2,4-dichlorobenzoyl peroxide, meta-toluoyl peroxide and the like.

(6) Peroxydicarbonates: diisopropyl peroxydicarbonate, di-2-ethylhexyl peroxydicarbonate, dinormal propyl peroxydicarbonate, bis (4-tert-butylcyclohexyl) peroxydicarbonate, Di-2-ethoxyethyl peroxydicarbonate, dimethoxyisopropyl peroxydicarbonate, di (3
-Methyl-3-methoxybutyl) peroxydicarbonate or diallyl peroxydicarbonate.

(7) Peroxyesters: tert-butyl peroxyacetate, tert-butyl peroxyisobutyrate, tert-butyl peroxypivalate, tert-butyl peroxy neodecanoate, cumyl peroxy neodeca Noate, tertiary butyl peroxy-2-ethylhexanoate,
Tert-butyl peroxy-3,3,5-trimethylhexanoate, tert-butyl peroxylaurate, tert-butyl peroxybenzoate,
Ditertiary butyl peroxyisophthalate, 2,
5-dimethyl-2,5-di (benzoylperoxy) hexane, tertiary butyl peroxymaleic acid, tertiary butyl peroxyisopropyl carbonate, cumyl peroxy octoate, tertiary hexyl peroxy neodecanoate, tertiary Lee hexyl peroxypivalate, tertiary butyl peroxy neohexanoate, tertiary hexyl peroxy neo hexanoate, cumyl peroxy neo hexanoate, etc.

(8) Other organic peroxides: acetylcyclohexylsulfonyl peroxide, tertiary butyl peroxyallyl carbonate, etc.

As the polymerization initiator other than the organic peroxide, the following azo compounds may be mentioned.

(1) Azonitrile compounds: azobisisobutyronitrile, 2,2'-azobis (4-methoxy-2,4-dimethylvaleronitrile), 1,1'-azobis (cyclohexane-1-carbonitrile) ), 1-
[(1-Cyano-1-methylethyl) azo] formamide or 2-phenylazo-4-methoxy-2,4-dimethylvaleronitrile.

(2) Azoamidine compounds: 2,2'-
Azobis (2-methylpropionamidine) dihydrochloride and the like. (3) Cyclic azoamidine compounds: 2,2'-
Azobis [2- (2-imidazolin-2-yl) propane] and the like.

(4) Azoamide compound: 2,2'-azobis {2-methyl-normal- [1,1-bis (hydroxymethyl) -2-hydroxyethyl] propionamide} or 2,2'-azobis {2 -Methyl-Normal-
[1,1-bis (hydroxymethyl) ethyl] propionamide} and the like.

(5) Alkylazo compounds: 2,2'-
Azobis (2,4,4-trimethylpentane) and the like. One or more of these can be used.

The amount of (c) used is preferably 0.5 to 10 parts by weight based on 100 parts by weight of the total of (a) and (b). If it is less than 0.5 parts by weight, the curing will be slow, and if it exceeds 10 parts by weight, the curing rate or the like will not be improved, and rather the protrusions may peel off from the floor surface.

The (d) decomposition accelerator used in the present invention is a compound that promotes the decomposition of the polymerization initiator, and examples thereof include the following.

(1) Thiourea derivative: diethyl thiourea, dibutyl thiourea, ethylene thiourea, tetramethyl thiourea, mercaptobenzimidazole or benzoyl thiourea.

(2) Amines: N, N-diethyl-p-
Toluidine, N, N-dimethyl-p-toluidine, N,
N-diisopropanol-p-toluidine, triethylamine, tripropylamine, ethyldiethanolamine, N, N-dimethylaniline, ethylenediamine, triethanolamine and the like. (3) Organic acid metal salt: cobalt naphthenate, copper naphthenate, zinc naphthenate, or the like.

(4) Organometallic chelate compound: copper acetylacetonate, titanium acetylacetonate, manganese acetylacetonate, chromium acetylacetonate, iron acetylacetonate, vanadium acetylacetonate, cobalt acetylacetonate or cobalt octene- Etc.

Other decomposition accelerators include condensation products of aldehyde and amine. One or two of these
More than one species can be used.

Among these, a thiourea compound, an organic acid metal salt or an organic metal chelate compound is more preferable from the viewpoint of curability, and a polyfunctional (meth) acrylate having a 1,2-polybutadiene skeleton in the molecule is preferable. When used, organic acid metal salts or organic metal chelate compounds are most preferred.

The amount of (d) used is preferably 0.1 to 10 parts by weight based on 100 parts by weight of the total of (a) and (b). If it is less than 0.1 part by weight, the curing will be slow, and if it exceeds 10 parts by weight, the curing rate or the like will not be improved, and the protrusions may peel off from the floor surface.

In the present invention, the magnetic powder (e) can be used for the acrylic room temperature curable resin. By applying magnetism to the floor surface having a convex portion using magnetic powder, it is possible to detect magnetism with a magnetic sensor and instruct the unmanned vehicle or the visually impaired person how to proceed or the path. In this case, the magnetic field detection capability can be further improved by applying magnetism to the convex portion and the floor surface.

The magnetic powder is not particularly limited, but ferromagnetic powder is preferable for facilitating detection of magnetism with a magnetic sensor. Examples of the ferromagnetic powder include metal oxides such as ferrite or iron oxide, metals such as cobalt powder, iron powder or nickel powder, and fine powders such as alloys. The amount of (e) used is 100 in total of (a) and (b).
10 to 70 parts by weight is preferable, and 20 to 5 parts by weight is preferable.
0 parts by weight is more preferred. If it is less than 10 parts by weight, it becomes difficult to detect magnetism, and if it exceeds 70 parts by weight, workability may be deteriorated or the resin may become brittle.

In the present invention, the use of an inorganic filler in addition to these magnetic powders improves the workability by making the viscosity and / or thixotropy of the acrylic cold-setting resin of the present invention appropriate. It is preferable from the viewpoint of making it. Depending on the application site, a large amount of repair material may be required. At this time, if a predetermined strength can be achieved, it is economically preferable to increase the amount of filler and reduce the amount of adhesive as much as possible.

As the inorganic filler used in the present invention, crystalline silica powder, fused silica powder, spherical silica powder or silica powder such as fumed silica, silica sand, wollastonite, clay, titanium oxide, magnesium oxide, oxidation. Iron, bentonite, mica, lead chromate, nickel slag, aluminum hydroxide, alumina powder including spherical ones, silicon carbide powder, silicon nitride powder, boron nitride powder, talc powder, calcium carbonate powder, glass beads, or , Shirasu balloon and the like. One or more of these can be used.

The amount of the inorganic filler used is (a) and (b)
0.1 to 500 parts by weight, more preferably 1 to 300 parts by weight, and 100 to 1
50 parts by weight are most preferred. If the amount is less than 0.1 parts by weight, the properties as an acrylic room temperature curable resin such as the desired viscosity and / or thixotropy cannot be obtained, and if it exceeds 500 parts by weight, the workability is deteriorated and the acrylic room temperature is lowered. The curable resin may become brittle.

In the present invention, in addition to the inorganic filler, an organic filler can be used within the range not impairing the object of the present invention. As the organic filler, polyethylene powder, co-
Tar, urethane resin powder, (meth) acrylic resin powder,
Silicone resin powder, fluororesin powder, phenol resin powder,
Wood powder, recycled rubber powder, etc. may be mentioned. Further, in order to improve strength and heat resistance, fibrous materials such as various glass fibers, carbon fibers, various aramid fibers or nylon fibers can be used.

The acrylic cold-setting resin of the present invention includes
A small amount of a polymerization inhibitor can be used to improve its storage stability. As the polymerization inhibitor, methyl hydroquinone, hydroquinone, catechol, hydroquinone monomethyl ether, monotertiary butyl hydroquinone, 2,5-ditertiary butyl hydroquinone,
p-benzoquinone, 2,5-diphenyl-p-benzoquinone, 2,5-ditertiary butyl-p-benzoquinone, picric acid, phenothiazine, tertiary butyl catechol, 2-butyl-4-hydroxyanisole or 2,6-diter Examples include sharybutyl-p-cresol and the like. One or more of these can be used.

The amount of these polymerization inhibitors used is preferably 0.0 based on 100 parts by weight of the total of (a) and (b).
It is 0.01 to 3 parts by weight, more preferably 0.01 to 2 parts by weight. If it is less than 0.001 part by weight, the storage stability will decrease,
If the amount exceeds 3 parts by weight, the protrusions may peel off from the floor surface, and the curing time may increase.

The acrylic cold-setting resin of the present invention includes
Within the range that does not impair the object of the present invention, various commonly used elastomers, solvents, extenders, reinforcing materials, plasticizers,
Thickening agent, thixotropy imparting agent, silane coupling agent, titanate coupling agent, chelating agent, dye,
Additives such as pigments, flame retardants or surfactants can be used.

Regarding the acrylic room-temperature-curable resin of the present invention, the components of the acrylic room-temperature-curable resin which does not contain a polymerization initiator and a decomposition accelerator are divided into two parts, one is a polymerization initiator and the other is a decomposition-promoting agent. By adding an agent, a two-component type acrylic room temperature-curing resin can be prepared.

The construction method of the present invention is not particularly limited, and a general method is to attach an acrylic room temperature curable resin to the lower portion of the protrusion and then to adhere it to the upper surface of the floor surface. It is preferable to uniformly apply the room temperature curable resin and place the convex portion on the floor surface to adhere the convex portion because the construction time can be shortened.

[0063]

EXAMPLES The present invention will be specifically described below with reference to examples. The condition of the concrete floor surface was prepared as follows. Among the concrete floor surface, the dry surface is 23
It was prepared by allowing it to stand for 7 days under the conditions of ° C and a humidity of 50% and drying it. The wet surface was prepared by leaving the dry surface in water at 23 ° C. for 24 hours and then wiping the wet surface with a cloth. As for the oil surface, the above-mentioned dry surface was further immersed in machine oil at 23 ° C.
After leaving for 4 hours, the wetness of the surface was wiped off with a cloth.

(1. Adhesion Test) This test was evaluated by adhering concrete hemispherical projections to the concrete floor surface. An acrylic cold-setting resin having the composition shown in Tables 1 to 7 was flow-coated on the concrete floor surface. The coating thickness was 1 to 1.5 mm. In this way, after applying the acrylic room-temperature-curable resin on the floor surface, 100 hemispherical projections were placed on this, adhered and naturally cured to complete a floor surface having convex portions. . In this way,
Adhesiveness was evaluated by leaving the floor surface having 00 pieces on a road on which a public walks for one year, and examining the number of protrusions left on the floor surface.

[0065]

[Table 1]

[0066]

[Table 2]

[0067]

[Table 3]

[0068]

[Table 4]

[0069]

[Table 5]

[0070]

[Table 6]

[0071]

[Table 7]

(2. Detectability test) 300 as magnetic substance powder
Except that the acrylic room temperature curable resin was prepared by using the iron oxide powder (α-Fe ₂ O ₃ ) of the mesh in parts by weight shown in Tables 8 to 9. It carried out like the adhesion test. In addition to the adhesion test, a magnetic sensor was used to measure the detection distance of the floor surface having the convex portion to examine the magnetic ability.

[0073]

[Table 8]

[0074]

[Table 9]

[0075]

As described above, the floor surface having the convex portion manufactured by using the acrylic cold-setting resin of the present invention has a surface such as concrete under wet condition or dry condition,
Further, it exhibits excellent characteristics with respect to the adhesion to the surface having lipophilicity. In this case, the floor surface having the convex portion can be used for a long period of time because the protrusions are not peeled off, and the floor surface pretreatment process is unnecessary, so that the construction effect is great.

Claims (5)

[Claims] 1. A floor surface having a convex portion, characterized in that a protrusion is adhered to the floor surface by an acrylic room temperature curable resin. 2. The acrylic room temperature curable resin contains (a) a monofunctional (meth) acrylate, (b) a polyfunctional (meth) acrylate, (c) a polymerization initiator and (d) a decomposition accelerator. A floor surface having a convex portion according to claim 1. 3. The monofunctional (meth) acrylate (a) contains (a) a hydrophilic monofunctional (meth) acrylate and (a) a hydrophobic monofunctional (meth) acrylate. A floor surface that has convex portions. 4. The floor surface having a convex portion according to claim 1, wherein the acrylic cold-setting resin contains (e) magnetic powder. 5. Construction of a floor surface having a convex portion, characterized in that a protrusion is adhered to the floor surface by the acrylic room temperature curable resin according to claim 1, claim 2, claim 3 or claim 4. Method.