JPH1112597A - Releasing agent composition for pressure sensitive seal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a releasing agent composition excellent in releasing properties to pressure sensitive seals using both a water-soluble tacky agent or a hydrophobic tacky agent, not leaving unpleasant odor even though used in an enclosed space. SOLUTION: The composition comprises (A) 1-10 wt.%. of carboxyethyl thiosuccinate of the formula (M<1> , M<2> and M<3> are each H, an alkali metal, an alkaline-earth metal, water-soluble ammonium or ammonium group, at least one of M<1> , M<2> and M<3> are not H), (B) 15-35 wt.%. of surfactant, (C) 5-20 wt.%. of a terpenoide and D) 35-79 wt.%. of water.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adhesive seal release agent composition for removing adhesive seals, tapes and wallpapers attached to fittings, buildings, metal parts and the like.

[0002]

2. Description of the Related Art Adhesive seals are used in a wide range of fields such as display, advertisement, and interior decoration.
It is used as advertising leaflets or wallpaper. However, when trying to remove these pressure-sensitive adhesive seals, they are often firmly fixed after a long time, and often cannot be removed by ordinary washing such as washing with water. As means for solving this, for example, Japanese Patent Application Laid-open No. Sho 60-12467
No. 6 discloses aromatic hydrocarbons, ketones, halogenated hydrocarbons, ethylene glycol esters, acetate esters,
A release agent composition containing an organic solvent such as a lower alcohol as a main component is disclosed in JP-A-59-193975.
A release agent composition comprising an alcohol solvent, a surfactant and water has been proposed.

[0003]

However, in a release agent composition containing an organic solvent as a main component, it is easy to remove seals adhered with a hydrophobic adhesive such as poly (meth) acrylate paste. However, starch glue, a seal adhered with a water-soluble adhesive such as polyacrylate glue,
It is difficult to peel off the wallpaper and the like, and when used for removing advertising labels and the like placed in a closed space such as a public telephone booth and a public toilet, an unpleasant odor associated with the solvent stays and gives the user discomfort. In addition, a release agent composition comprising an organic solvent, an alcohol-based solvent, a surfactant and water does not have a sufficient release force against any of the adhesive seals using a water-soluble adhesive and a hydrophobic adhesive. However, there is a similar problem of unpleasant odor.

[0004] An object of the present invention is to provide an adhesive seal that excels in peelability with respect to any of adhesive seals using a water-soluble adhesive and a hydrophobic adhesive and does not leave an unpleasant odor when used in a closed space. To provide an agent composition.

[0005]

The present invention relates to A) a carboxyethylthiosuccinate represented by the following formula (1):
An adhesive seal release composition comprising 10% by weight, B) 15 to 35% by weight of a surfactant, C) 5 to 20% by weight of terpenoid, and D) 15 to 89% by weight of water.

[0006]

Embedded image

(M ¹ , M ² and M ³ represent a hydrogen atom, an alkali metal, an alkaline earth metal, a water-soluble ammonium or an ammonium group, and at least one of M ¹ , M ² and M ³ is not a hydrogen atom. )

[0008]

The M ^1, M ² and M ³ in A) component used in Detailed Description of the Invention The present invention is of carboxyethyl thio succinate of formula (1), an alkali metal, alkaline earth metal, Water-soluble ammonium or ammonium, such as lithium, sodium, potassium, カ ル シ ウ ム calcium, マ グ ネ シ ウ ム magnesium, ammonia, monoethanol ammonium, diethanol ammonium, triethanol ammonium, preferably lithium,
Sodium, potassium, ammonia, monoethanolammonium, diethanolammonium, and triethanolammonium. A) Carboxyethylthiosuccinate, which is a component, has at least one of three carboxylic acids.
One is not a hydrogen atom but may be either a partial salt or a complete salt.

The carboxyethyl thiosuccinate as the component (A) is used in an amount of 1 to 10% by weight, preferably 2 to 8% by weight, based on the release agent composition of the present invention. When the amount is less than 1% by weight, the releasability of the seals having the water-soluble pressure-sensitive adhesive is deteriorated. When the amount is more than 10% by weight, the composition is easily separated due to its electrolyte effect, and the peeling tends to be uneven.

The surfactant used as component B) in the present invention may be a salt of a saturated or unsaturated fatty acid (soap), a salt of a higher alcohol sulfate or a salt of an alkylphenol sulfate, lauryl ether sulfate, oleyl ether sulfate. Alkyl ether sulfate salts, sulfated oil salts, sulfated fatty acid ester salts, sulfated fatty acid salts, alkylsulfonic acid salts, alkylbenzenesulfonic acid salts, olefinsulfonate salts, alkyl or dialkylphosphonates Anionic surfactants, such as salts of acrylonitrile and acylmethyltaurine; cationic surfactants, such as alkylamine salts and quaternary ammonium salts; higher alcohol alkylene oxide adducts, alkylphenol alkylene oxide adducts, fatty acids Nonionic surfactants such as alkylene oxide adducts, alkyl or alkenylamine alkylene oxide adducts, alkyl alkanolamides, fatty acid monoglycerides, sorbitan fatty acid esters and alkylene oxide adducts thereof; amino acid amphoteric surfactants, betaine amphoteric surfactants And amphoteric surfactants such as surfactants.

Even if these surfactants are used alone,
Although two or more kinds may be used in combination, an anionic surfactant and a nonionic surfactant are preferred, and a salt of a saturated or unsaturated fatty acid, that is, soap is particularly preferred. When the soap is used, the biodegradability of the carboxyethylthiosuccinate as the component A) is very good, and the terpenoid as the component C) is a natural extractable component. It is possible to finish the release agent composition with less influence on the environment.

The surfactant (B) is used in an amount of 15 to 35% by weight, preferably 20 to 3% by weight, based on the total amount of the release agent composition.
3% by weight is used. If the compounding amount is less than 15% by weight, the peelability of the pressure-sensitive adhesive seal is deteriorated, and if it exceeds 35% by weight, the compounding amount of the component A) or the component C) is relatively reduced, and the compounding amount of the component A) is relatively small. When the content is reduced, the peelability of the pressure-sensitive adhesive seals having the water-soluble pressure-sensitive adhesive is deteriorated. When the amount of the component C) is reduced, the pressure-sensitive adhesive seals having the hydrophobic pressure-sensitive adhesive is deteriorated. .

Examples of the terpenoid which is the component C) used in the present invention include terpene hydrocarbons, terpene alcohols, temyrsen, ocimene, limonene, terpinolene, terpinene, ferrandrene, sylpestrene, and the like.
Monoterpenes such as sabinen, karen, pinene, camphene, tricyclene, fenchen, bisabolene, zingiberen, curcumen, kasinen, sesquibenichen,
Sesquiterpenes such as Santarem, Caryophyllene, Sedren, Longifolene, Khanholene, Bodocarprene,
Diterpenes such as millen, phyllocladene, totalene,
Terpene hydrocarbons such as triterpenes, tetraterpenes and polyterpenes; monoterpene alcohols such as citronellol, geraniol, nenor, linalool, menthol, terpineol, carveol, twill alcohol, pinocampherol, fentyl alcohol, borneol, farnesol, nerolidol, Terpene alcohols such as sesquiterpene alcohols such as casinole, eudesmall, guayol, patchouli alcohol, carothol, lanseol, cedrol, kessoglycol, phytol, sclareol, manol, hinokiol, ferginol, totarol; citronellal, citral,
Cyclocitral, safranal, ferrandral,
Terpene aldehydes such as perylaldehyde; terpene ketones such as dageton, yonone, iron, mentone, carbomentone, carbotanacetone, piperitenone, thuyon, caron, camphor, cyperone, eremofilon, zerumbon, sugiol, ketomanoyl oxide; cineole, pinol, ascalidol , Terpene oxides such as manoyl oxide; citronellic acid, hinokinic acid,
Examples include terpene acids such as santalic acid, abietic acid, pimaric acid, agatendicarboxylic acid, and rubenic acid.

Further, there are industrially produced sulfate turpentine oil, gum turpentine oil, wood turpentine oil, orange oil, camphor oil, etc., which are mainly composed of the above-mentioned terpenoid mixture. It is economically advantageous. The terpenoid component (C) is used in an amount of 5 to 20% by weight, preferably 7 to 18% by weight, based on the total amount of the release agent composition. If the addition amount is less than 5% by weight, the peelability of the pressure-sensitive adhesive seal becomes poor,
If the content is more than 10% by weight, the painted surface is easily attacked by these terpenoids.

Another characteristic of the adhesive seal other than the releasability is that many of the terpenoids of component C) have a pleasant scent. Therefore, orange oil having a citrus odor, gum turpentine oil having a coniferous odor, etc. are preferably used as the component C). When used in a closed space such as a telephone box, it does not leave an unpleasant odor.

In the pressure-sensitive adhesive stripper composition of the present invention, a pH adjuster, an enzyme, a water-soluble polymer compound, a chelating agent, a fragrance, a deodorant, a preservative, and a rust inhibitor are provided as long as the characteristics of the present invention are not impaired. , A bactericide and the like can be added for use.

The release agent composition of the present invention is usually used as it is, but may be used after diluting with a suitable solvent. The solvent used at this time is preferably water or an alcoholic solvent such as ethanol, ethylene glycol, propylene glycol, glycerin, polyethylene glycol and polypropylene glycol, which does not impair the characteristics of the stripping composition of the present invention, which does not have an unpleasant odor.

The thus obtained adhesive seal release agent composition of the present invention or a diluent thereof is applied as it is to an adhesive seal using a spray gun, a sprayer, a brush, a roller or the like. After this, after mixing for several minutes to several hours,
The adhesive seal can be removed by lightly rubbing with a sponge or a scrub. Further, since the pressure-sensitive adhesive seal stripping composition of the present invention can be easily rinsed with water, light wiping after removing the pressure-sensitive adhesive seal can provide a clean finish without leaving any peeling marks.

Further, the seal release composition of the present invention comprises
Since glue marks, yellowing of the painted surface, oil stains, and the like can be effectively removed, a clean surface can be restored over a wide area by applying and wiping not only on the surface to which the seal is attached but also around the surface.

[0020]

EFFECT OF THE INVENTION The adhesive seal release composition of the present invention is excellent in peelability to any of adhesive seals using a water-soluble adhesive and a hydrophobic adhesive, and is unpleasant even when used in a closed space. Leaves no odor.

[0021]

Next, the present invention will be described in detail with reference to examples. Example 1 2% by weight of carboxyethylthiosuccinic acid disodium salt as A) component, 20% by weight of potassium laurate as B) C) 15% by weight of gum turpentine oil as component)
D) 63% by weight of water was mixed to obtain an adhesive seal release agent composition as a white emulsion, and the following evaluation was performed. Table 2 shows the results.

[Peeling Test of Wallpaper Having Water-Soluble Adhesive]
The adhesive was applied to the melamine decorative panel with sodium polyacrylate for 3 years in the room for three years. Apply, leave it for 30 minutes to allow it to blend well, make a square cut in the area where the adhesive seal release agent composition was applied using a cutter knife, peel off from the end with your finger, and visually check the peeled state. 3
It was evaluated on a scale. ：: Completely peeled off, no trace Δ: The wallpaper is peeled off, but traces remain. X: Almost no peeling.

[Peeling test of advertising leaflets using hydrophobic adhesive] Five to eight paper advertising leaflets of about 10 x 15 cm were adhered to urethane-coated steel sheets using a polymethacrylate-based hydrophobic adhesive. In a private toilet room, apply 10 g of an adhesive seal release agent composition to a leaflet with a brush, leave it for 5 minutes, lightly rub it with a scrubber, then lightly wipe it with a cotton cloth, and peel it off. Was observed and visually evaluated in the following three stages. ：: Completely peeled off, no trace Δ: The adhesive seal is peeled off, but a trace remains. X: Almost no peeling. After that, the toilet was shut off, and after 10 minutes, the inside of the toilet was checked for odor.

[0024]

[Table 1]

[0025]

[Table 2]

EXAMPLE 2 5% by weight of dipotassium carboxyethylthiosuccinate as a component A) 25% by weight of a 9 mol adduct of octylphenol ethylene oxide as a component B) 18% by weight of orange oil as a component C) and D) water 52% by weight was mixed to obtain a pressure-sensitive adhesive seal release agent composition as a transparent solubilizing solution, and the same evaluation as in Example 1 was performed. Table 2 shows the results.

Examples 3 to 4 Using the components A), B) and C) shown in Table 1 and water, the pressure-sensitive adhesive seal release compositions of the present invention of Examples 3 and 4 were obtained. The same evaluation as in Example 1 was performed. Table 2 shows the results.

Comparative Example 1 Toluene 25% by weight, cyclohexanone 8% by weight, p-
30% by weight of xylene, 20% by weight of methylene chloride, 7% by weight of methyl ethyl ketone, and 10% by weight of butyl cellosolve were mixed to obtain an adhesive seal release agent composition of a comparative example, and the same evaluation as in Example 1 was performed. Table 2 shows the results.

COMPARATIVE EXAMPLE 2 In 25 parts of water was dissolved 4.5 parts of ethylene glycol, 1 part of butyl cellosolve, and 2 parts of triethanolamine salt of linear alkyl benzene sulfonic acid. While stirring, 65 parts of isoparaffinic hydrocarbon was added to 65 parts of nonylphenol ethylene oxide. A solution prepared by dissolving 3 parts of the 6-mol adduct and 0.5 part of sorbitan sesquioleate was added to obtain a white emulsion, which was evaluated in the same manner as in Example 1. Table 2 shows the results.

As can be seen from Examples 1 to 4 in Table 2, when the adhesive seal release agent composition of the present invention was used, both the wallpaper using the water-soluble adhesive and the advertising leaflet using the hydrophobic adhesive were peeled off. It can be seen that they have excellent properties and do not have an unpleasant odor even after work. On the other hand, in the pressure-sensitive adhesive seal release composition comprising the organic solvent of Comparative Example 1, the wallpaper using the water-soluble pressure-sensitive adhesive cannot be peeled off, and an unpleasant petroleum odor remains even after the operation. Further, in the release agent composition comprising the organic solvent, the surfactant, the alcohol-based solvent and water of Comparative Example 2, the release properties of the wallpaper using the water-soluble adhesive and the advertising leaflets using the hydrophobic adhesive are not sufficient. In addition, it can be seen that unpleasant petroleum odor remains after the operation.

Claims (1)

[Claims] 1. A) 1 to 10% by weight of a carboxyethyl thiosuccinate represented by the following formula (1), B) Surfactant 1
An adhesive seal release composition comprising 5 to 35% by weight, C) 5 to 20% by weight of terpenoid and D) 35 to 79% by weight of water. Embedded image (M ¹ , M ² and M ³ represent a hydrogen atom, an alkali metal, an alkaline earth metal, a water-soluble ammonium or an ammonium group, and at least one of M ¹ , M ² and M ³ is not a hydrogen atom.)