JPS59193975A - Releasing agent for glue-treated sheets - Google Patents

Abstract

PURPOSE:A releasing agent that is composed of an aliphatic hydrocarbon solvent, a water-soluble alcohol solvent, a surfactant and water, thus allowing sheets treated with a glue or adhesive such as escutcheon, seals or labels to be releasable from the adhesive-layer protection sheets without damage to the sheet base. CONSTITUTION:The objective releasing agent is composed of (A) an aliphatic hydrocarbon solvent, preferably boiling at 100-300 deg.C, (B) a water-soluble alcohol solvent such as lower alcohol, e.g., methanol, ethylene glycol, (C) a surfactant and (D) water, preferably at a weight ratio of A:B:C:D=(15-75):(1-15):(1-7): (25-60).

Description

[Detailed description of the invention] The present invention is applicable to patches, stickers, tack sheets, craft tapes, cellophane tapes, double-sided tapes, vinyl tapes,
Labels, certificate stamps, etc. (hereinafter collectively referred to as patches)
Peeling of patches after using adhesive-treated sheet E4
& related to agents.

Foil materials for such patches include resin film, printing paper, kraft paper, Japanese paper, cellophane, metal foil, non-woven fabric, woven fabric, foamed rubber sheet, etc., and adhesives suitable for each base material and purpose of use are used. The treatment on one side of the base material is done on both sides. Such a glue and 1. Various types are known, but they can basically be divided into water-based types, oil-based types, and alcohol-based types. Release agents after use of patches [2] Various types of release agents are known, such as water-based release agents corresponding to the above-mentioned adhesives, oil-based release agents,
It can be divided into alcohol type removers. However, users often do not know what type of glue is used in patches, making it difficult to select an effective release agent. On the other hand, if you choose the wrong release agent, you will not only lose the removal effect, but also leave glue marks or remove the base material.
or damage the attached base material). In other words, aqueous solutions that utilize the penetrating power of surfactants have almost no effect on oil-based glues or alcohol-based glues; Oil-based adhesives and alcohol-based adhesives containing aqueous alcohol solutions containing alcohol or cellosolve have almost no effect on water-based adhesives, and there is a risk of damaging the base. In other words, if you choose the wrong remover, the surfactants, strong solvents, alcohols, etc. contained in the remover may soften the base, causing it to fade or discolor. was there.

This invention applies to any l1fII agent-treated sheet. The present invention provides a safe peeling agent that exhibits a peeling effect and reduces the risk of attaching the lower TT12 to fJ5, and is characterized by being made of an aliphatic hydrocarbon solvent, an alcoholic water-soluble solvent, a surfactant, and water. This is a release agent for processed sheets. The form of the uninvention peeling 1qfG agent may be either an emulsion or a solubilized form, and even in the form of a loose emulsion, it may be either O/W type or W1051, but O/WW is preferable because of its high stability. Furthermore, it is preferable to provide a certain degree of viscosity in order to prevent dripping when the release agent F agent of the present invention is applied to the side or surface of patches. =
That's a good thing. For this reason, viscosity may be imparted by adjusting the balance of the ingredients; on the other hand, a commonly used thickener may be added.
．． The viscosity is d) 1 section (7 is also acceptable. The preferred viscosity is 20
~]0000cps preferably 1000-5000e
It is lfs.

The aliphatic hydrocarbon solvent used in the present invention has the lowest solubility among oily solvents and hardly damages the base, but it penetrates into oil-based glues and weakens their adhesive strength. , which makes it easier to peel off. On the other hand, water-based or alcohol-based glues have the effect of smoothing the separation of the glue and preventing redeposition. Those having a boiling point of 100 to 300°C are preferred. In other words, if the boiling point is too low, evaporation will be too rapid and the glue will not be softened.
Also, if it is too high, it lacks penetration power, so it is not desirable.

Examples of such materials include normal paraffin, isono-roughin, and nandene-based materials.C. Such materials are particularly preferred because they hardly require a base coat and have little odor.1. It's a good thing. An aromatic hydrocarbon solvent may be added to the free aliphatic hydrocarbon solvent. The amount added can be up to 5Qwt%, but the smaller the better, and preferably 5wt% or less.0 Alcohol-based water-soluble solvents include methanol, ethanol,
It refers to lower alcohols such as isopropanol, glycols such as ethylene glycol, propylene glycol, polyethylene glycol, and polypropylene glycol, and water-soluble solvents with hydroxyl content ζ such as ethinotocellosolve, butyl cellosolve, and calpitol. Such alcohols are alcoholic type glue KRs'Pi L,-
(1) Makes it easier to peel off the adhesive. Also, for water-based and oil-based adhesives
``It has the effect of making it easier to ``1'' and preventing the ``lapping effect''. ``6) Items that may be attached to such alcohol bases - Do not use alone], but mix with other alcohols, !;+; Kotoroki Tamako 11, I.

The surfactant may be anionic, nonionic, cationic, or amphoteric as long as it is commonly used for penetration, emulsification, cleaning, etc. 75-The powerful surfactant of the present invention (1) The stability of the release agent, 4)
/W or W/0 emulsion or a solubilized homogeneous sheet of each component (effective in stabilizing the liquid, improving penetration into the At'i!l agent, and preventing reprinting of the glue) It shows the effectiveness.

Water does not damage the base at all, and it penetrates well into 7Fξ1 type adhesives, softening the adhesive and making it easier to apply.It also prevents the separation of oil-based and alcohol-based adhesives. [7] It has the effect of preventing re-adhesion.

The blending ratio of the above-mentioned release agent of the present invention is shown below.

Aliphatic hydrocarbon solvent preferably 20 to 80 parts by weight. <U
15 to 75 parts by weight Alcohol-based water-soluble finisher Water-resistant solvent
p N ]~15 l surfactant
0.5-15 p r 1-71 water
20~80# #25~60
#Fragrance and dye 0-? Amount of I The present invention's remover does not damage the substrate as described above, and is made of solvents that soften and remove oil-based, alcohol-based, and water-based adhesives.
I for 1 history for peeling off patches.

However, it has a sufficient peeling effect, and has the effect of preventing the adhesive from re-adhering and not damaging the base.

Example 1.

Dissolve 1 part of ethylene glycol 4.5-butyl se'ofulp and 2 parts of linear alkylbenzenesulfonic acid triethanolamine salt (Libon LEIIO, Lion Oil KK) in 25 m of water, and while stirring, add isoparaffinic Hydrocarbon oil, distillation range] (i 0-21
0°C (IP Solvent 1620, Idemitsu Petrochemical KK
), 65 parts of polyoxyethylene nonylphenol ether HLB l 0.9 (6 moles of ethylene oxide added) (Nonipol 60, Sanyo Chemical Industries KK) and 3 parts of sorbitan sesquioleate HLB 3.7 (nonion O
Dissolve 0.5 part of P-83RAT (NOF KK) and add the following ingredients to obtain a uniformly viscous 0/W type milky white emulsion (viscosity approximately 4000 cps).

Example 2　Aliphatic hydrocarbon oil, distillation range 150-200℃ (Vegasol 3040, Mobil Oil K i (, aromatic component 1
Contains 5 parts) Sorbitan monolaurate HLB in 27 parts
8.6 (Emazol L-10, chemical soap K K')
Dissolve 3 parts of butyl cellosolve in 68 parts of stirred sewage and add the mixture to make a homogeneous viscous W2O.
A mold emulsion (viscosity about 250 cps) is obtained.

Example 3 Soft nonionic activity 1] IfI in 19 parts of No. 1 kerosene JISK2203 (Die Y Monde Kerosene, Mitsubishi Oil KK)
, B 6 (/Ige/E'r65, Daiichi Kogyo Seiyaku KK
), 3 parts of dialkyl quaternary ammonium salt (Alucard 2C-75, Lion Yushi Seiyaku KK) and 3 parts of polyoxyethylene nonylphenol ether HLB12 (Nougen EA-120, Daiichi Kogyo Seiyaku KK) were dissolved, and infused into this. Add 12 parts of propyl alcohol and add 57 parts of water.
1 part to obtain a clear liquid (viscosity approximately 3 Q cps).

Comparison fi11゜Double-sided tape peeling agent (commercially available) whose main ingredients are chlorinated solvent Comparative example 2゜Comparative example: Patch peeling agent I of an aqueous solution whose main ingredients are cellosolve, alcohol, and surfactant (commercially available) 3゜Water linear alkylbenzenesulfonic acid triethanolamine salt (Libon LEIIO, Lion Oil KK)
An aqueous solution of 2 parts.

Comparative Example 4 Isoparaffinic hydrocarbon oil, distillation range 160-210
°C (IP Solvent 1620, Idemitsu Petrochemical K K
) Only Comparative Example 5゜No scratching agent used 1. do not have.

Test method (1) Safety for substrates Several samples of each sample were placed on a transparent styrene resin board and an air-drying painted board, which are said to be susceptible to chemicals, and allowed to stand at room temperature for 30 minutes. After that, wipe the sample and examine the condition of the base.

(2) Ease of scratching of each glue-treated sheet. Attach various glue-treated sheets to a printed decorative board [2] Apply a generous amount of each sample to this, leave at room temperature for 15 minutes, and test the scratches. However, 1
Only 1 and b are pasted on kraft paper. Check the performance difference by comparing it with a blank.

Judgment of results Test method (1) Test method (2) ◎ No abnormality at all. It can be removed cleanly with light pressure without leaving any glue behind.

○ Extreme: A slight abnormality is seen and can be ignored, although it can be removed relatively easily without leaving any glue behind. It will be done.

Δ Appears to be somewhat abnormal. You can do it, but it takes a lot of force. Or it tends to leave some glue behind.

× It's so intense that it can't be used at all, and no effect is seen at all.

and <change. It also damages the base.

(Compared with blank) Glue-treated sheet type a, high-quality paper processed with oil-based adhesive (Fuji Paper KK, Super Stick 6O-PW) 25 x 25 Mmb, high-quality paper processed with water-soluble adhesive (Fuji Paper) KK, Fujilux F
L-3-60) 25 x 25 C, Chiban K K on cellophane tape, Cellotape) l 7X25 period

Claims (1)

[Claims] A stripping net agent for adhesive-treated sheets, characterized by comprising an aliphatic hydrocarbon solvent, an alcoholic water-soluble solvent, a surfactant, and water.