JPH0317170A - Method for applying tile like floor material - Google Patents

Abstract

PURPOSE:To provide good adhesion and re-releasable properties to a tile like floor and enable change, etc., of fixing place of a floor material during application by applying the tile like material to a floor ground while putting a tacky agent consisting of specific two kind of polymers between the tile like floor material and floor ground. CONSTITUTION:(A) 100 pts.wt. nonvolatile content of a polymer having 0.05-4mu (preferably 0.05-1mu) granule size and preferably consisting essentially of an acrylic acid ester, etc., is combined with (B) 10-100 pts.wt. polymer consisting of (i) 70-99.9wt.% (meth)acrylic acid alkyl ester having 4-12C alkyl, (ii) 0.1-10wt.% alpha,beta-unsaturated carboxylic acid and (iii) 0-29.9wt.% vinyl compound other than the components i and ii, having 5-150mu granule size and having glass transition temperature lower than that of the component A to provide a tacky agent. Furthermore, the tacky agent is used for a tile like floor material (preferably flexible tile like floor material) to carry out the aimed application.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a sticky M shaving useful when constructing tile-like flooring materials such as tile carpets, and a method of constructing tile-like flooring materials using the same.

(Jubei's technology) When installing tile flooring, if the tile flooring was laid down without any adhesive treatment, a problem arose in that the tile flooring would shift due to slight movement during use.

Therefore, if the adhesive is too strong, it may damage the flooring lining material or subfloor when changing the fixing location during construction or removing the carpet for maintenance during use, which is not desirable.

(Problems to be Solved by the Invention) The object of the present invention is to provide an adhesive for tile flooring that has appropriate adhesiveness and can be easily peeled off even when the flooring is removed after construction of a hill, and an adhesive for tile flooring using the same. 6 (Means for Solving the Problem) The present invention provides a method for constructing a tile-like flooring material with a particle size of 0.05 to 4μ and a polymer A having a particle size of 5 to 150μ. Adhesive shavings for tile-shaped flooring materials, characterized in that polymer B is combined therewith, and the glass transition point of polymer B is lower than the glass transition point of nail body A, and a tile-shaped material using the same. Concerning the construction method of Tokomura. In the present invention, the above-mentioned polymer A is composed of an adhesive composition such as R&414 adhesive composition, natural rubber adhesive composition, Imabo rubber adhesive composition, etc., alone or in a mixture. Polymers are preferred, and polymers whose main component is acrylic ester or methacrylic ester are preferred. The required physical properties can be adjusted by adjusting the type and amount of the functional group-containing monomer, and can be adjusted by adjusting the glass transition point.

There is no problem with this method as long as the above-mentioned polymer A does not impair its tackiness. The average particle size of Hamagoi A is preferably 0.05 to 4 μm, and particularly preferably 0.05 to 1 μm in consideration of permeability to young subjects and adhesion to flooring materials.

In the present invention, polymer B is a fine sphere having an average particle size of 5 to 150 microns, more preferably 20 to 60 microns. Specific examples of polymer B include (a) (meth)acrylic acid alkyl ester 70 having an alkyl group having 4 to 12 carbon atoms;
~99.9% by weight, (b) 0.1-10% by weight of fftβ monounsaturated carboxylic acid, and (e) (a), (+3) above
It is possible to mention sticky polymer microspheres obtained by aqueous suspension polymerization of a monomer component consisting of 0 to 29.9% by weight of a vinyl compound other than the above.

As the (meth)acrylic acid alkyl ester having an alkyl group of carbon WL4 to 12 in the above (alJ&min), n
-butyl (meth)acrylate, isobutyl (meth)acrylate, t-butyl (meth)acrylate, +1-bentyl (meth)acrylate, n-hexyl (meth)acrylate
Acrylate, 2-ethylhexyl (meth)acrylate, isooctyl (meth)acrylate, isononyl(meth)acrylate, dilinol(meth)7 acrylate, etc. (b) σ, β monounsaturated Carboxylic acids include acrylic acid, methacrylic acid, maleic acid, 7
These include malic acid and itaconic acid. (c) Boki's vinyl monomers include vinyl acetate, vinyl propionate, methyl (meth)acrylate, ethyl (meth)acrylate, styrene, acrylnitrile, 2-hydroxyethyl (meth)acrylate, N , N-nomethylamino/ethyl acrylate, acrylic 7mide, diaseptone acrylamide, N-methylol acryl 7mide, glycinol (
Examples include meth)acrylate, 7-dilinonyl ethyl (meth)acrylate, and the like. Polymer B Adhesive polymer? A-Spherules can be easily produced by the usual aqueous suspension polymerization method, but an anionic surfactant/anionic surfactant may be used alone or in combination as a dispersant. Furthermore, the use of a protective colloid facilitates the production of microspheres. The particle size can be adjusted by adjusting the type and amount of surfactant and protective colloid, but it is also possible to adjust the particle size by using a polymerization reaction method. For example, a desired particle size can be obtained by devising a seed polymerization method, a multi-stage polymerization method, a monomer dropping method, an emulnosine dropping method, etc.

Furthermore, the elastic modulus of the adhesive microspheres can be easily adjusted by using novinylbenzene, trinotyrolpropane triacrylate, or the like. There is also a method in which only the adhesive polymer particles are taken out of the aqueous suspension in a 7-ilter, dried at low temperature, and then dissolved in an organic solvent and added.

Polymer B was added in an amount of 1 part by weight per 100 parts by weight of non-volatile content of Polymer A.
The amount is preferably 0 to 100 parts by weight, and preferably 10 to 50 parts by weight to provide adhesive strength and removability. When dried, the polymer microspheres are arranged on the surface of the adherend and play an important role in adjusting the adhesive strength.

In the present invention, the glass transition point (Tg) of the polymer A is preferably -50"C or higher, while the TF1 of the polymer B is preferably -50"C or lower, and the polymer B is always lower than the polymer A. Low Tg.The B component in the present invention is low Tg.
It is essential that the material has high elasticity and high elasticity.

The combination of polymer A and polymer B of the present invention exhibits the intended function. To explain in more detail, it is thought that it exhibits its effectiveness in the following steps during the construction process. That is, since the particle size of Polymer A is as small as 0.05 to 4 μm, it has excellent diffusion and permeability into adherends. Therefore, when applied to the concrete surface, it immediately diffuses and wets the surface, creating an adhesive effect. Furthermore, substances, mainly water, are allowed to penetrate into the concrete. This effect contributes to drying properties and adhesion to concrete, which is the adherend, and when the flooring material is pasted, the strength of the adhesive is higher on the concrete surface, and the strength on the flooring material side is higher. becomes lower. Therefore, when trying to remove the pasted material, it is difficult for the adhesive to transfer to the flooring material, which helps the purpose of the present invention. However, this alone cannot satisfy the removability function. Polymer B is required to further enhance this effect. Since polymer B has a large particle size, it naturally has poor diffusion and penetration, and ultimately it is arranged closely on the back side of the tile. This phenomenon is the object of the present invention.The applied adhesive film or object has large particles on its surface and is highly elastic, so it deforms elastically when pressure is applied, but when no pressure is applied, it deforms elastically. It does not deform and the contact area with the back surface of the flooring material and the subfloor remains small.

In the present invention, as a result of combining Polymer A and Polymer B, removable binding ability is obtained, resulting in an adhesive that is extremely suitable for flooring.

The adhesive of the present invention is made of a combination of polymers with different elasticities, so that polymer A acts as a so-called soft polymer.
Adheres to the entire surface of the flooring to prevent it from peeling off during use. on the other hand,
Polymer BI. As an elastic polymer, it deforms elastically when pressure is applied, but it does not deform when no pressure is applied, and the contact area with the flooring and flooring remains small. As a result of combining Hoko's polymer A and polymer B in the present invention, a removable adhesive ability is obtained, resulting in an extremely suitable adhesive for flooring.

In the present invention, an aqueous dispersion of natural tree trunks and/or petroleum resins may be added as polymer C, if desired, in order to further impart tackiness. Natural resins and petroleum resins include aliphatic hydrocarbon resins, aromatic petroleum resins, clopentanoene resins, and polyterbenes.
, terbene modified products, rosin, ronone esters, hydrogenated ronone esters, 7-functional resins, styrene resins, quince resins, and the like. The aqueous dispersion of natural oil and stone-based resin is necessary to adjust adhesive strength, and it provides adhesive strength, drying properties, and VL adhesion that cannot currently be achieved with only oil-based and rubber-based adhesives. It provides anchoring properties and permeability to the body. The amount added is the non-volatile content of polymer A to
It is also possible to use up to about 50 parts of melon per part of o1fL. In addition to this, a solvent such as alcohol or toluene may be added.

In addition, the present invention provides a material between the tile-like flooring material and the flooring with a particle size of 0.
Polymer A with a particle size of 05 to 4μ and Polymer B with a particle size of 5 to 150μ are combined, and the glass transition point of polymer A is higher than the glass transition point of polymer A. }
The present invention also relates to a method for constructing a tile-like flooring material in which the vf feature is the interposition of an adhesive having a structure in which polymer B has a low glass transition point.

The present invention will be explained below based on the drawings. FIG. 1 is a cross-sectional view of the present invention in its implementation state, where 1 shows the pile of tile carpet, and 2 shows the resin backing material. The adhesive 3 of the present invention is interposed between the tree trunk lining material 2 and the flooring G. It may be applied on the floor base G at the time of construction of the adhesive remover, or it may be provided by being applied on the backing material surface of the tile carpet in advance. In the present invention, grooves are formed on the combination of the claw assembly 4 and the polymer body 5. Polymer 4 is polymer A
and 4' is the polymer A that permeated the entire surface of the flooring, contributing to the adhesion of the backing material 2. Polymer 5 is Polymer B. Kamegogai 4 has T8 higher than Polymer 5).

(Function) When a tile-like flooring material is dried using the pressure-sensitive adhesive having the above structure, since the particles T of the polymer A are small and soft, the contact with the flooring material G and the backing material 2 is large. On the other hand, polymer B is usually spherical and highly elastic, and when a load is applied, it deforms into a flat shape, increasing the area of contact with the adherend and improving its strength.

It has the property of easily peeling off when a certain amount of force is applied.

These properties give good results in preventing slippage and in the cycle of adhesion and peeling, making it extremely useful as a flooring material. The floor material used in the present invention may be made of synthetic resin, ceramic, wood, etc., but carpet tiles and other flexible tile floor materials are preferred. (Effects of the Invention) (1) When the adhesive for tile carpet of the present invention is used in the construction of tile carpet, good adhesive strength and removability are obtained, and the tile carpet does not shift while walking. It can be easily re-peeled in case of incorrect pasting during construction or maintenance during use.

(2) After applying the adhesive of the present invention, the backing material of the flooring material will not be damaged even if the adhesive is peeled off (1. Even if the flooring material is removed after installation, the shavings will not stick to the backing material of the flooring material.

(4) Flooring can be installed without considering the oven time for contact machining, improving construction efficiency. Implementation
Example> Example 1 In a three-necked flask equipped with a thermometer, a reflux condenser, and a speed changer, 85 parts of butyl 7 acrylate and 1 part of vinyl acetate were added.
2 parts, acrylic acid 31! Is, 7 ionic activity 7￥
12.0 parts of nonionic surfactant, 0.5 parts of nonionic surfactant, and 100 parts of ion-exchanged water were heated under a nitrogen stream with stirring, and when the reaction system reached 50°C, a Polymerization is initiated by adding 0.5 part of ammonium sulfate, and the polymerization reaction is carried out at 80° C. for about 3 hours. After the polymerization was completed, the temperature was raised to 85'C and the reaction was carried out for 1 hour to obtain a co-merged Emulnoyon Kumikaimono. Without stirring this emulsion composition, a 25% ammonia aqueous solution was added dropwise to 800 ml.
An acrylic copolymer emulsion with a viscosity of 0 cp (30°C) and a non-volatile content of 51.5% was prepared. These emulsions were analyzed using a differential scanning calorimeter DSC-200 (
The glass transition point was measured at Seiko Electronics Co., Ltd. and found to be -43°C''t'.The glass transition point was also measured at Submicron Particle Analyzer Model N4 (Coulter Electronics Co., Ltd.) and found to be 0.3μ. The obtained emulnoyon copolymer is referred to as Polymer A.

Next, 100 g of water was added to the container prepared for the production of polymer B.
Add 3 parts of previously dissolved 20% polyvinyl alcohol incompletely saponified product}8 solution and stir to a sufficient volume of 15tn.
Next, 45 parts of 2-ethylhexyl acrylate, 5 parts of butyl acrylate, 1.0 part of acrylic acid, and 0.5 part of benzoyl peroxide are stirred and dissolved in a separate container. Add this monomer mixture to the previously prepared aqueous solution and stir. The polymerization reaction starts at a stirring speed of +00 rpm and a reaction temperature of 70 to 75°C, and rapidly generates heat up to 85 to 95°C. After that, cool it to 8■～82℃ 2 11? Let it react for a while. An aqueous suspension with uniform particle size forms in the reaction vessel.
Next, the next process begins. Another 9 9, 50 parts of 2-ethylhexyl acrylate, 0.5 part of anion activated cutting,
Acrylic acid 1. 5 ffls. 0.5 parts of benzoyl peroxide and 50 parts of water are mixed by stirring. Next, the total amount of these was added dropwise over 30 minutes, and the reaction was continued at 80 to 83°C for 4 hours. Thereafter, the mixture was cooled and collected to prepare an aqueous suspension adhesive.

Temperature: 1500cp (30℃), non-volatile content: 40%, T8
The temperature was -68℃. Also, check the particle size using a scanning electron microscope! Js
M (JEOL Co., Ltd.) When measured with a Kufuio unit attached to the main body and cooled with liquid nitrogen, the average particle size was 50.
It was μ. Dogs were given an aqueous dispersion of glycerin ester of hydrogenated ronone (50% non-volatile pieces) as the above polymers Ar & B, polymers B and C (A: B: C = 100:8).
They were mixed at a ratio of 0:20 (II parts heavy), anti-foaming Δ1, anti-oxidant and preservative were added and stirred for 60 minutes to obtain an adhesive for tile-like floors. The resulting floor adhesive had a non-volatile content of 46.
7%, viscosity 300 Qcps/25°C. Apply the floor covering obtained above to the concrete surface in an amount of 10%/
m2 with Kushiboke for post-adhesive for floors, and bonded with polyvinyl chloride-backed carpet tiles under the following conditions. After about one month, the adhesive strength and removability were improved. /The state of adhesion of adhesive to the back of the carpet tile was investigated.

Example 2 A tile carpet was constructed in the same manner as in Example 1 using the viscous cutting obtained from Example 1 except for removing C-branch.

Example 3 Acrylic adhesive Cyvinol AT-351-1 [manufactured by Cyden Chemical Co., Ltd., viscosity 8500 cp, non-volatile adhesive 75
A floor adhesive was prepared using the same ingredients as in Example 1, and a tile carpet was applied in the same manner as in Example 1.

Example 4 An adhesive shaving for flooring except for Example 3, l'l-ty C, was prepared, and a tile carpet was constructed in the same manner.

Comparative Example 1 A floor covering except for B in Example 1 was prepared, and a tile carpet was constructed.

Comparative Example 2 Aqueous dispersion of glycerin ester of hydrogenated ronone of carbon dioxide in 100 parts of SBR latex (lower volatile content 69%) 20 parts
A #C grade for floors was prepared by adding 100% of the total amount of carbon dioxide, a surface active agent, an antifoaming agent, and an antioxidant, and a tile carpet was installed. The results are shown in the first column.

Table 1: a shows when the adhesive was applied with an open time of 0 minutes, b shows when the adhesive was applied with an oven time of 10 minutes, and hereafter C
is 60 minutes, d is 300 minutes, and C is 600 minutes.

In Examples 1 to 4, the initial tack was sufficient, and the re-adhesion after peeling off the tile carpet was also good, regardless of I'iJ during the open time. As a result, the removability of the product as an adhesive scraper for floors was poor. On the other hand, in Comparative Example 1, the initial tack disappeared at e, and the adhesive scraping was transferred to the backing material, and in Comparative Example 2, the initial tack disappeared at d and e, and the re-adhesion was completely reduced. There was also migration to the backing material, and both were unsuitable as removable adhesives.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing the implementation state of the construction method of the present invention. (Above) Applicant: Toyo Linoleum Co., Ltd. Saiden Chemical Co., Ltd. Agent: Attorney ± 11] Iwao Mura Figure 1 1 4' 1...Tile carpet pile 2...Resin backing material 3...Adhesive Agent 4... Polymer A 5... Polymer B

Claims (1)

[Claims] (1) Between the tile flooring material and the flooring base, the particle size is 0.05~
A pressure-sensitive adhesive is interposed in which a polymer A having a particle diameter of 4μ and a polymer B having a particle size of 5 to 150μ are combined, and the glass transition point of the polymer B is lower than that of the polymer A. Features: Construction method of tile flooring. (2) Polymer A with a particle size of 0.05 to 4μ and a particle size of 5 to 150μ
A pressure-sensitive adhesive for tile-like flooring, characterized in that the polymer B is combined with the polymer B, and the glass transition point of the polymer B is lower than the glass transition point of the polymer A.