WO2006104235A1 - 再剥離性粘着シート、その製造方法及び再剥離性粘着シート積層体 - Google Patents
再剥離性粘着シート、その製造方法及び再剥離性粘着シート積層体 Download PDFInfo
- Publication number
- WO2006104235A1 WO2006104235A1 PCT/JP2006/306994 JP2006306994W WO2006104235A1 WO 2006104235 A1 WO2006104235 A1 WO 2006104235A1 JP 2006306994 W JP2006306994 W JP 2006306994W WO 2006104235 A1 WO2006104235 A1 WO 2006104235A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- sensitive adhesive
- adhesive
- mass
- spherical
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/003—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
Definitions
- the present invention provides a re-peelable adhesive sheet having a uniform adhesive force and peel force with little variation in adhesive force and peel force due to light weight, a method for producing the same, and a re-peeling method using the re-peelable adhesive sheet.
- the present invention relates to a peelable adhesive sheet laminate.
- adhesive resin microspheres are aligned and bonded to the surface of the base material sheet to create an adhesive sheet, and then the surface of the aligned microspheres is affixed to another adherend surface, and then, if necessary, an adhesive sheet.
- a pressure-sensitive adhesive sheet was found that can be repeatedly peeled off and pasted on the adherend.
- an adhesive sheet used for such an application has been formed with an adhesive layer made of a spherical adhesive on one side of a base sheet coated with a primer layer as desired.
- a pressure-sensitive adhesive sheet for example, a re-peelable pressure-sensitive adhesive sheet using a spherical pressure-sensitive adhesive layer has been proposed (refer to Japanese Patent Laid-Open No. 2-194079).
- a re-peelable pressure-sensitive adhesive sheet in which a peelable pressure-sensitive adhesive and various compounds are mixed has been proposed (see Japanese Patent Application Laid-Open No. 2000-0 1 3 7 3 1 3).
- pressure-sensitive adhesive sheets may change their adhesive strength or increase their peel strength when pressure is applied to them.
- the adhesive sheets are stacked sequentially with the adhesive surface and the peelable surface of the adjacent adhesive sheet facing each other to form a laminate of adhesive sheets.
- the cutting part is fixed by applying pressure in the vicinity of the cutting part so that the cutting part is not displaced.
- the pressure-sensitive adhesive layer and the pressure-sensitive adhesive layer did not vary in adhesive force and peeling force.
- the adhesive sheet is rolled up and left to stand, the pressure applied will be different between the part near the roll core and the part near the outside of the tool.
- the adhesive layer of the above conventional adhesive sheet is formed on a part of the surface of the substrate sheet, the adhesive is applied to the entire surface of the roll of the roll roll, and then a part of the adhesive is applied.
- a method has been used in which a pressure-sensitive adhesive layer is partially formed on the roll surface by scraping it off with a blade and transferred to a base sheet. In this case, when the adhesive is scraped off with the blade, the adhesive remains on the surface of the transfer roll without being completely scraped off, and the adhesive is applied to the area where the adhesive layer is not required.
- the present invention solves the above-mentioned problems, and has a releasable pressure-sensitive adhesive sheet having a uniform pressure-sensitive adhesive force and peeling force with little variation in pressure-sensitive adhesive strength and peeling force, and pressure-sensitive adhesive when partially applied to a roll surface.
- the pressure-sensitive adhesive is well cut, the width of the band-shaped pressure-sensitive adhesive layer can be created as set, and aggregates are not easily generated in the pressure-sensitive adhesive. It is an object of the present invention to provide a method for producing a releasable pressure-sensitive adhesive sheet having the above characteristics, and a releasable pressure-sensitive adhesive sheet laminate using the removable pressure-sensitive adhesive sheet.
- the present inventor constituted a pressure-sensitive adhesive layer applied on one side of a base sheet with a pressure-sensitive adhesive containing a spherical pressure-sensitive adhesive and an emulsion-type binder pressure-sensitive adhesive, Further, the spherical pressure-sensitive adhesive was polymerized with the ethylenically unsaturated monomer in the presence of 0.1 to 3 parts by mass of polyacrylic acid with respect to 100 parts by mass of the ethylenically unsaturated monomer component.
- an adhesive containing a spherical adhesive and an emulsion-type binder adhesive is applied to one side of a base sheet to form an adhesive layer, and the spherical adhesive is an ethylene-based non-adhesive layer.
- Saturated monomer component Spherical pressure-sensitive adhesive obtained by polymerizing an ethylenically unsaturated monomer in the presence of 0.1 to 3 parts by mass of polyacrylic acid with respect to 100 parts by mass, or ethylenically unsaturated
- a releasable pressure-sensitive adhesive sheet characterized by the above is provided.
- the present invention provides a releasable pressure-sensitive adhesive sheet take-up roll, wherein the pressure-sensitive adhesive sheet is wound into a roll.
- the pressure-sensitive adhesive containing a spherical pressure-sensitive adhesive and an emulsion-type binder pressure-sensitive adhesive is partially applied to one side of the base sheet to form a pressure-sensitive adhesive layer.
- Spherical pressure-sensitive adhesive obtained by polymerizing an ethylenically unsaturated monomer in the presence of 0.1 to 3 parts by mass of polyacrylic acid with respect to 100 parts by mass of ethylenically unsaturated monomer component or ethylene
- the present invention provides a releasable pressure-sensitive adhesive sheet characterized by being an agent.
- the present invention also provides a releasable pressure-sensitive adhesive sheet, wherein the pressure-sensitive adhesive is a pressure-sensitive adhesive having a coagulation rate of 5.0% by mass or less according to the Marlon test.
- the present invention provides the above peelable adhesive sheet, wherein the adhesive force of the adhesive layer to the stainless steel plate is 1.0 N / 105 mni or more, and the adhesive strength to the stainless steel plate and the adhesive strength to the surface of the substrate sheet It is intended to provide a re-peelable pressure-sensitive adhesive sheet having a ratio of 1: 0.2 to 1: 1.
- the present invention also provides a releasable pressure-sensitive adhesive sheet laminate characterized in that a plurality of the above-mentioned releasable pressure-sensitive adhesive sheets are laminated.
- the present invention contains a spherical adhesive and an emulsion type binder adhesive After the adhesive to be applied is applied to the surface of the metal roll for transferring the adhesive layer, the applied adhesive is partially scraped off with a blade to form a belt-like adhesive layer, and the belt-like adhesive layer is used as a base material.
- the spherical adhesive obtained by polymerizing an ethylenically unsaturated monomer in the presence of polyacrylic acid or the spherical adhesive obtained by polymerizing an ethylenically unsaturated monomer.
- the present invention provides a method for producing a releasable pressure-sensitive adhesive sheet, which is a spherical pressure-sensitive adhesive obtained by adding 0.1 to 7 parts by mass of polyacrylic acid to 0 parts by mass.
- FIG. 1 is a cross-sectional view showing an example of an apparatus for producing a releasable pressure-sensitive adhesive sheet of the present invention.
- FIG. 2 is a perspective view of the releasable pressure-sensitive adhesive sheet of the present invention which has been scraped off in a roll shape and a laminate of the releasable pressure-sensitive adhesive sheet of the present invention.
- 1 is a base sheet
- 2 is an adhesive
- 3 is a metal roll for transferring an adhesive layer
- 4 is an adhesive layer
- 5 is a belt-like adhesive layer
- 6 is a blade
- 7 is an adhesive layer presser roll
- 8 9 is a base sheet feed roll
- 10 is a container
- 1 is a releasable adhesive sheet
- 1 is a releasable adhesive sheet
- 1 is a base sheet surface
- 14 is the pressure-sensitive adhesive layer forming surface
- 15 is the belt-like pressure-sensitive adhesive layer
- 16 is the releasable pressure-sensitive adhesive sheet laminate.
- various base material sheets can be applied as the base material sheet, and may be appropriately selected according to the purpose of use.
- the base sheet include, for example, high-quality paper, art paper, coated paper, craft paper, paper such as laminate paper obtained by laminating a thermoplastic resin such as polyethylene resin on these paper base materials, synthetic paper, aluminum Metal foil such as foil, copper foil and iron foil; porous material sheet such as non-woven fabric; and further polyolefin resin such as polyethylene resin, polypropylene resin and various olefin copolymer resins, polyethylene terephthalate resin, polybutylene terephthale Polyester such as Ito resin, Polyethylene naphthate tree ⁇ " Resin, polystyrene resin, polyvinyl chloride resin, acrylic resin, polycarbonate
- plastic sheets may be sheets provided with an ink receiving layer corresponding to various printing methods on the surface opposite to the adhesive layer in order to impart printability.
- characters and patterns may be printed on the surface of the plastic sheet on which the adhesive layer is provided.
- the surface of the plastic sheet on which the adhesive layer is provided can be subjected to a surface treatment by a method such as an oxidation method or an unevenness method, if desired, in order to improve the adhesion to the adhesive layer.
- a method such as an oxidation method or an unevenness method, if desired, in order to improve the adhesion to the adhesive layer.
- the oxidation method include corona discharge surface treatment, chromic acid surface treatment (wet), flame surface treatment, hot air surface treatment, ozone / ultraviolet irradiation surface treatment, and the like.
- the unevenness method include a sand plast method and a solvent treatment method. These surface treatment methods are appropriately selected according to the type of the S # sheet, but in general, the corona discharge surface treatment method is more preferably used from the viewpoints of effects and operability. Primer treatment can also be applied.
- a sealing layer can be provided between the base material sheet and the adhesive layer as desired.
- the sealing layer is usually composed of one or more of styrene-butadiene copolymer, acrylic resin, polyester resin, polyurethane resin, polystyrene resin, etc., and clay, silica, calcium carbonate, oxidation as required. Examples include layers made of titanium, zinc oxide and other fillers.
- the coating amount of the sealing layer is not particularly limited, but is usually preferably in the range of 0.1 to 30 g / m 2 .
- the side surface opposite to the surface on which the pressure-sensitive adhesive layer of the base material sheet is formed does not have to be subjected to a release treatment, but preferably has undergone a release treatment.
- a release treatment it is preferable to provide a release layer on one side of the substrate sheet by applying a release agent, printing or transferring.
- the release agent used include various silicone release agents, fluorine release agents, olefin release agents, alkyd release agents, and the like.
- the coating amount of the release layer is preferably 0.1 to 1 O g / m 2 and is preferably 0.1 to 1 O g / m 2 . 5-4 g / m 2 is particularly preferred.
- the surface treatment surface On one side of the base material sheet (if the surface treatment is applied to the surface of the base material sheet for the purpose of improving the adhesion between the base material sheet and the adhesive layer, the surface treatment surface) An adhesive layer is provided.
- the pressure-sensitive adhesive layer is a pressure-sensitive adhesive containing a spherical pressure-sensitive adhesive and an emulsion type binder-one pressure-sensitive adhesive, and the spherical pressure-sensitive adhesive is 0.1 to 0.1 parts by mass with respect to 100 parts by mass of the ethylenically unsaturated monomer component.
- the spherical adhesive (B) is obtained by adding 0.1 to 7 parts by mass of polyacrylic acid to 100 parts by mass of the solid content of the spherical adhesive.
- the spherical pressure-sensitive adhesive (A) or (B) is preferably a spherical pressure-sensitive adhesive obtained by polymerizing an ethylenically unsaturated monomer, and particularly an acryl-based spherical pressure-sensitive adhesive containing a (meth) acrylate monomer. Is preferred.
- Acrylic spherical adhesives are, for example, methyl (meth) acrylate, ethyl (metha) acrylate, propyl (meth) acrylate, ptyl (meth) acrylate, octyl (meth) acrylate, 2-ethyl (meth) acrylate, 2 -Ethylhexyl (meth) acrylate, 2-hydroxy (metha) acrylate, N-methylol (meth) acrylate, glycidyl (meth) acrylate, and other (metha) monomers selected from acrylate monomers If necessary, copolymerize at least one selected from monomers such as (meth) acrylic acid, maleic acid, vinyl acetate, vinyl propionate, styrene, and acrylonitrile. Can be obtained.
- Specific methods for producing an acrylic spherical adhesive include, for example, a method for producing an aqueous suspension of a spherical adhesive by various methods such as a suspension polymerization method and a method of suspending in water after solution polymerization. Can be mentioned. Thereby, a spherical adhesive is obtained.
- the average particle size of the spherical pressure-sensitive adhesive particles is not particularly limited, but is preferably in the range of 20 to 150 / m, and particularly preferably in the range of 30 to 80 ⁇ m.
- the average particle size of the spherical adhesive particles is less than 20 / m, the characteristics as the spherical adhesive are hardly exhibited, the adhesive strength becomes too strong, and the removability may be lowered.
- the average particle size of the spherical adhesive particles If it exceeds 1500 m, the adhesion area with the adherend becomes small, and it may be difficult to obtain good adhesion.
- the spherical adhesive (A) uses polyacrylic acid as a suspension stabilizer for the polymerization of ethylenically unsaturated monomers, and has good stability in the polymerization reaction of ethylenically unsaturated monomers.
- the amount of polyacrylic acid used is from 0.1 to 3 parts by mass with respect to 100 parts by mass of the ethylenically unsaturated monomer component. More preferably 0.5 to 2.8 parts by mass.
- suspension stabilizer if desired, other suspension stabilizers may be used in combination with polyacrylic acid.
- suspension stabilizers include, for example, water-soluble polymers such as gelatin, starch, casein, polyvinyl alcohol, polyvinyl pyrrolidone, carboxymethyl cellulose, methyl cellulose, polyacrylamide; sodium alkylbenzene sulfonate, alkyl diphenyl ether disulfone Sodium sulfate, sodium lauryl sulfate, sodium polyoxyethylene alkyl ether sulfate, sodium alkylnaphthalene sulfonate, sodium oleate, sodium dodecylbenzene sulfonate, disodium alkylene disulfonate, sodium dialkylsulfo succinate, monoalkyl Sodium sulfosuccinate, sodium polyoxyethylene alkyl ether sulfate ester, polyoxyethylene alkyl ester Anionic surfactants such as sodium telluric ester, sodium polyoxyalkylene alkyl ether phosphate, calcium lignin
- the total amount of the suspension stabilizer used is preferably 0.1 to 15 parts by mass with respect to 100 parts by mass of the ethylenically unsaturated monomer component.
- Ethylene unsaturated monomer component When the amount is less than 0.1 parts by mass with respect to 100 parts by mass, the scooping-off property deteriorates, and when it exceeds 15 parts by mass, the moisture resistance decreases. There is a case.
- the spherical adhesive (B) is a spherical adhesive obtained by adding polyacrylic acid to a spherical adhesive obtained by polymerizing an ethylenically unsaturated monomer in the absence of polyacrylic acid.
- Polyacrylic acid is added as a dispersant for spherical adhesive together with an emulsion type binder and one adhesive, and the amount of polyacrylic acid used is to maintain good adhesion when partially applied. It is 0.1 to 7 parts by mass, preferably 1 to 5 parts by mass with respect to 100 parts by mass of the solid content of the spherical adhesive.
- the above suspension stabilizer other than polyacrylic acid may be used as the suspension stabilizer, which is preferable. The thing is the same.
- dispersant other dispersants may be used in combination with polyacrylic acid, if desired.
- one or more water-soluble polymers such as gelatin, starch, casein, polyvinyl alcohol, polyvinylpyrrolidone, carboxymethylcellulose, methylcellulose, and polyacrylamide, and the above-mentioned surfactants may be used.
- the total amount of the dispersant used is preferably 0.1 to 10 parts by mass with respect to 100 parts by mass of the solid content of the spherical adhesive. If the solid content of the spherical adhesive is less than 0.1 parts by mass with respect to 100 parts by mass, the scuffing property will be poor, and if it exceeds 10 parts by mass, the moisture resistance will be poor, resulting in deterioration of physical properties. It may happen.
- the pressure-sensitive adhesive of the present invention only one of the spherical pressure-sensitive adhesives (A) and (B) may be used, or a mixture of both may be used.
- suspension stabilizer or dispersant When using a suspension stabilizer or dispersant, it is preferable to add the suspension stabilizer or dispersant after dissolving it in an appropriate amount of water.
- the polyacrylic acid used in the spherical pressure-sensitive adhesive (A) or (B) may be a homopolymer of acrylic acid, or within the range that does not impair the object of the present invention. It may be a copolymer obtained by copolymerizing other polymerizable monomers other than crylic acid, or may be modified polyacrylic acid reacted with a modifier.
- the weight average molecular weight of the polyacrylic acid is preferably 3000-20000, particularly preferably 5000-15000.
- the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer preferably has a coagulation rate of 5.0% by mass or less according to the Marlon test. If the solidification rate by the Maron test exceeds 5.0% by mass, the coating stability of the adhesive may be inferior.
- the solidification rate by the Marlon test is more preferably 4.0% by mass or less, and particularly preferably 3.0% by mass or less.
- the measurement of the solidification rate by the Marlon test is performed according to JIS K 6387-1982 or JIS K6392-1982.
- the emulsion type binder pressure-sensitive adhesive used in the present invention is not particularly limited, and various emulsion type binder pressure-sensitive adhesives can be used. Among these, acrylic emulsion type binder adhesives are preferred from the viewpoints of performance such as adhesive properties, weather resistance, and heat resistance.
- the acrylic emulsion type binder pressure-sensitive adhesive contains acrylic acid resin as a main component.
- the acrylic acid resin is preferably a (meth) acrylic acid ester resin obtained by polymerizing a (meth) acrylic acid ester monomer and, if necessary, another ethylenically unsaturated monomer.
- Examples of the (meth) acrylic acid ester monomer and other ethylenically unsaturated monomers are the same as those described above as raw materials for the acryl spherical adhesive.
- the acrylic resin is appropriately cross-linked by an internal cross-linking agent and / or an external cross-linking agent.
- the internal cross-linking agent refers to a cross-linkable reactive monomer capable of introducing a cross-linked structure into one polymer molecule during polymerization, and the external cross-linking agent exists in the polymer polymer molecule. It refers to those that can crosslink by reacting with a crosslinkable functional group.
- Preferred examples of the internal cross-linking agent include keto group-containing ethylenically unsaturated monomers and aldo group-containing ethylenically unsaturated monomers.
- keto group-containing ethylenically unsaturated monomers include acrolein, diacetone acrylamide, formyl styrene, vinyl alkyl ketone, diacetone (meth) acrylate, (meth) Examples include chloroxyalkyl acrylate.
- An internal crosslinking agent may be used individually by 1 type, and may be used in combination of 2 or more type.
- the internal cross-linking agent is mixed and cross-linked during polymerization of the acrylic acid resin.
- the blending amount of the internal crosslinking agent is preferably 0 to 5 parts by mass with respect to 100 parts by mass of the acrylic acid resin.
- Examples of the external cross-linking agent include isocyanate compounds, epoxy compounds, melamine compounds, aziridine (ethyleneimine) compounds, hydrazide compounds, oxazoline compounds, carpositimide compounds, urea compounds, dialdehydride compounds, metals Examples include chelate compounds, metal alkoxide compounds, metal salts, and the like.
- One external crosslinking agent may be used alone, or two or more external crosslinking agents may be used in combination.
- the external cross-linking agent is blended in the acrylic resin obtained by polymerization and cross-linked.
- the blending amount of the external crosslinking agent is preferably 0 to 5 parts by mass with respect to 100 parts by mass of the acrylic resin.
- either one of the internal crosslinking agent and the external crosslinking agent may be used, or both may be used.
- the acrylic resin particles are dispersed in the aqueous medium, but the solid content is 15 to 75% by mass. preferable. .
- the production method of the acrylic emulsion type binder pressure-sensitive adhesive is not particularly limited, and various methods can be used.
- a method for producing an acrylic emulsion type binder adhesive for example, in an aqueous medium containing an emulsifier, a (meth) acrylic acid ester monomer, which is a raw material for acrylic acid resin, and necessary
- a (meth) acrylic acid ester monomer which is a raw material for acrylic acid resin, and necessary
- another ethylenically unsaturated monomer may be added and emulsified, and polymerization may be performed in the presence of a polymerization initiator.
- the emulsification treatment is preferably performed using a high-pressure homogenizer or ultrasonic waves.
- polymerization initiator examples include various polymerization initiators used in emulsion radical polymerization, such as organic peroxides, azo compounds, persulfates, and various redox catalysts.
- the polymerization can be carried out at various temperatures, preferably 30 to 100 ° C, more preferably 40 to 90 ° C.
- the content ratio of the spherical pressure-sensitive adhesive and the emulsion-type binder pressure-sensitive adhesive in the pressure-sensitive adhesive used in the present invention is preferably in the range of 10: 5 to 10: 00: ⁇ 50 in terms of solid content mass ratio.
- the range of 100: 10 to 100: 35 is particularly preferable.
- the content ratio of the spherical pressure-sensitive adhesive is less than the above range, the removability of the resulting releasable pressure-sensitive adhesive sheet may be insufficient.
- the content ratio of the spherical pressure-sensitive adhesive is larger than the above range, the adhesive strength to the adherend may be lowered.
- the pressure-sensitive adhesive can contain one or more of various additives usually used in the pressure-sensitive adhesive, as long as the object of the present invention is not impaired.
- various additives include tackifiers, plasticizers, fillers, anti-aging agents, ultraviolet absorbers, preservatives, fungicides, dyes, pigments, and fragrances.
- various coating methods can be applied as the method for applying the adhesive.
- the thickness of the adhesive layer is not particularly limited, it may be a 0. 5 to 50 g / m 2 in weight after normal drying, preferably 1 ⁇ 30 g / m 2.
- the adhesive strength of the adhesive layer to the stainless steel plate is usually preferably 1.0 N / 105 mm or more, more preferably 1.5 N / 105 mm or more, and particularly preferably 2.0 N / 105 mm or more. .
- the upper limit of the adhesive strength of the adhesive layer to the stainless steel plate is not particularly limited, but is usually preferably 4.0 N / 105 mm or less.
- the adhesive strength to the stainless steel plate and the surface of the base sheet (if the base sheet is peeled to improve the peelability of the base sheet and the adhesive layer, the peel-treated surface)
- the force ratio is preferably in the range of 1: 0.2 to 1: 1, more preferably in the range of 1: 0.2 to 1: 0.8, and 1: 0.2 to 1: 0.
- a range of 6 is particularly preferred.
- the pressure-sensitive adhesive layer transfer metal roll 3 and the pressure-sensitive adhesive layer presser roll 7 rotate in the same direction, and the pressure-sensitive adhesive 2 stored in the container 10 is placed on the surface of the pressure-sensitive adhesive layer transfer metal roll 3.
- the pressure-sensitive adhesive layer 4 having a constant thickness is formed by coating.
- the surface of the pressure-sensitive adhesive layer pressing roll 7 is prevented from adhering the pressure-sensitive adhesive by the adhesive scraping plate 8.
- the adhesive layer 4 is partially scraped off by the blade 6 to form a belt-like adhesive.
- the agent layer 5 is formed, and the belt-like pressure-sensitive adhesive layer 5 is transferred to one surface of the substrate sheet 1 wound around the surface of the substrate sheet feeding roll 9.
- the releasable pressure-sensitive adhesive sheet 11 having the pressure-sensitive adhesive layer formed on a partial surface of the base material sheet is produced.
- the width of the belt-like pressure-sensitive adhesive layer may be appropriately selected according to the use of the releasable pressure-sensitive adhesive sheet, but the area of the belt-like pressure-sensitive adhesive layer should be 3 to 90% of the area of the re-peelable pressure-sensitive adhesive sheet. It is preferable that the content be 5 to 60%.
- it is set as an adhesive memo sheet laminated body what is necessary is just to make it about 5 to 35% of the area of each laminated
- the number of blades can be two or more, and the number of belt-like adhesive layers can be two or three or more.
- one or more grooves can be provided in one blade, and the adhesive layer can be prevented from being scraped off in the groove portion, so that a plurality of strip-shaped adhesive layers can be formed.
- the blade 6 When the adhesive layer is formed on the entire surface of one side of the knitted sheet, the blade 6 is not attached, and the adhesive layer 4 applied to the surface of the adhesive layer transfer metal roll 3 is not scraped off.
- a releasable pressure-sensitive adhesive sheet having the pressure-sensitive adhesive layer formed on the entire surface of one side can be produced.
- the blade 6 may be made of various materials, but is preferably made of a polyester resin such as a polyethylene terephthalate resin.
- the re-peelable pressure-sensitive adhesive sheet of the present invention may have the shape of a re-peelable pressure-sensitive adhesive sheet take-off roll 12 in a state of being rolled up as shown in FIG. 2 (left figure). .
- the releasable pressure-sensitive adhesive sheet take-off opening 12 is wound around the releasable pressure-sensitive adhesive sheet 11 with the base material sheet surface 13 facing outside and the adhesive layer forming surface 14 facing inside.
- Two strip-shaped adhesive layers 15 are provided on the adhesive layer forming surface 14 of the releasable adhesive sheet 11.
- the releasable pressure-sensitive adhesive sheet of the present invention is a releasable pressure-sensitive adhesive sheet 1 in which a plurality of removable pressure-sensitive adhesive sheets 1 1 are adjacent to the surface of the base material sheet.
- the shape of the releasable pressure-sensitive adhesive sheet laminate 16 laminated so as to be in contact with the pressure-sensitive adhesive layer 1 may be used.
- the laminated releasable adhesive sheet laminate 16 is cut along the dotted line to obtain a releasable of an appropriate size. A pressure-sensitive adhesive sheet laminate can be obtained.
- the re-peelable pressure-sensitive adhesive sheet of the present invention has a feature that there are few variations in the adhesive force and the peel force depending on the weight of pressure.
- the releasable pressure-sensitive adhesive sheet of the present invention has a uniform pressure-sensitive adhesive force with little variation in pressure-sensitive adhesive force, and can be repeatedly stuck and peeled.
- the method for producing a releasable pressure-sensitive adhesive sheet of the present invention has excellent scuffing property when the pressure-sensitive adhesive is scraped off with a blade at the time of partial coating, and the pressure-sensitive adhesive is well cut.
- the width can be created as set, and aggregates are unlikely to occur in the adhesive, and at the same time, foaming is unlikely to occur.
- the releasable pressure-sensitive adhesive sheet laminate of the present invention has the properties of the above-mentioned releasable pressure-sensitive adhesive sheet, has little variation in peel force due to light weight, and has uniform and soft peelability.
- the re-peelable pressure-sensitive adhesive sheet can be made difficult to curl after being peeled from the laminate.
- the releasable pressure-sensitive adhesive sheet of the present invention can be used as a laminate or can be attached to various other adherends.
- Example 1 The releasable pressure-sensitive adhesive sheet of the present invention can be used as a laminate or can be attached to various other adherends.
- a removable adhesive sheet was attached to a stainless steel plate as an adherend, and the adhesive strength after 30 minutes was measured according to JISZ 0 2 3 7.
- the unit is N / 105 mm.
- the adhesive strength of the removable pressure-sensitive adhesive sheet on the surface of the releasable pressure-sensitive adhesive sheet scooping roll is measured by the methods (1) and (2).
- the peel strength of the releasable PSA sheet near the core of the releasable PSA sheet take-off roll was measured, and the two were compared.
- a variation of 20% or less based on adhesion and peel force was evaluated as ⁇ None '', and a difference between the two was evaluated as ⁇ Yes '' if the difference between the two exceeded 20% based on the adhesive strength and peel force of the core. .
- a rotating disk is pressed against a container containing a sample for measurement at a constant pressure, rotated at a constant speed, and the emulsion produced by coagulation is filtered through a 200-mesh wire mesh. After collecting the material, it was dried at 105 ° C for 1 hour, and then allowed to stand for 30 minutes in a dessert overnight, and then weighed. The solidification rate was calculated from the mass and the mass of the sample before measurement.
- the pressing force was 15 kgf
- the sample temperature was 25 ° C
- the sample mass was 50 g
- the rotation speed was 1000 rpm
- the rotation time was 10 minutes.
- Adhesive penetration test '' One piece of the adhesive memo laminate produced by the blade scraping method in the roll process is peeled off and pasted on the back of the craft pole paper (made by Fuji Paper Co., Ltd., product name “ball ball”). Infiltration in a dry environment was promoted for 16 hours. Then, after standing in a standard environment for 24 hours, the adhesive memo sheet was peeled off, and the state of penetration was visually observed and evaluated according to the following criteria.
- One adhesive memo sheet laminate was peeled off, and the degree to which the adhesive memo sheet was curled was visually observed and evaluated according to the following criteria.
- an acrylic emulsion binder adhesive manufactured by Toyo Ink Manufacturing Co., Ltd., trade name “Olivein BPW 5 3 2 0”, solid content) 58.5% by mass
- a laminate of a releasable pressure-sensitive adhesive sheet was prepared by the method shown in FIG. Specifically, the pressure-sensitive adhesive is applied onto the surface of the application mouth which is the metal roll 3 for pressure-sensitive adhesive layer transfer to form a pressure-sensitive adhesive layer 4 having a certain thickness, and then a polyester resin block. The pressure-sensitive adhesive layer 4 is partially scraped off by the lade 6 to form a belt-like pressure-sensitive adhesive layer 5, and the belt-like pressure-sensitive adhesive layer 5 is wound around the surface of the base material sheet feeding roll 9.
- Example 1 100 parts by mass of the mixed monomer, 4 parts by mass of methylcellulose and 2 parts by mass of polyacrylamide as the suspension stabilizer, and an acrylic suspension having an average particle diameter of 50 m (A difference from Example 1 is that polyacrylic acid is not added at the time of suspension polymerization, and polyacrylamide is added instead), and a dispersing agent is used at the time of preparing the pressure-sensitive adhesive.
- a dispersing agent is used at the time of preparing the pressure-sensitive adhesive.
- 5 parts by mass of carboxymethyl cellulose and 2 parts by mass of polyacrylic acid weight average molecular weight 10 00 0 0
- Adhesive seed and releasable adhesive A sheet laminate was created. Table 1 shows the performance of this adhesive sheet.
- Example 1 100 parts by mass of the mixed monomer, 4 parts by mass of polyacrylamide and 2 parts by mass of methylcellulose were used as the suspension stabilizer. Adhesive sheet and releasable adhesive sheet laminate were prepared. Table 2 shows the performance of this adhesive sheet.
- Example 1 100 parts by mass of the mixed monomer, 4 parts by mass of methylcellulose and 2 parts by mass of polyvinyl alcohol were used as the suspension stabilizer. Adhesive sheet and releasable adhesive sheet laminate were prepared. Table 2 shows the performance of this adhesive sheet.
- Example 1 Example 2
- Example 3 Example 4 Spherical Adhesion 2-Ethylhexylacrylate
- Ion-exchanged water 260 260 Average particle size of spherical adhesive (um) 50 50 Spherical adhesive of adhesive
- Rosin-based tackifier 6 Carboxymethylcellulose 2 2 Polyacrylic acid ⁇ ⁇ Ion-exchanged water 65 65 Evaluation Coagulation rate of Marlon test 6. 6 0. 4 Scattering property XX Adhesive strength (N / 105mm) 1. 55 2. 41 Peeling force (N / 105mm) 1. 86 4. 08 Ratio of adhesive force to peeling force 1. 20 1. 69 Adhesive force (roll surface) 1. 55 2. 41 Adhesive force (roll core) ) 1. 10 1. 95 Peeling force (roll surface) 1. 86 4. 08 Peeling force (roll core) 2. 50 5. 05 Variation in adhesive strength and peeling force Yes Yes Adhesive penetration X ⁇ Curl 'XX
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020077021877A KR101193705B1 (ko) | 2005-03-29 | 2006-03-27 | 재박리성 점착시트, 그 제조방법 및 재박리성 점착시트적층체 |
JP2007510579A JP4916435B2 (ja) | 2005-03-29 | 2006-03-27 | 再剥離性粘着シート、その製造方法及び再剥離性粘着シート積層体 |
CN2006800106936A CN101151341B (zh) | 2005-03-29 | 2006-03-27 | 再剥离性压敏粘接片、其制造方法及再剥离性压敏粘接片层合体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005096384 | 2005-03-29 | ||
JP2005-096384 | 2005-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006104235A1 true WO2006104235A1 (ja) | 2006-10-05 |
Family
ID=37053487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/306994 WO2006104235A1 (ja) | 2005-03-29 | 2006-03-27 | 再剥離性粘着シート、その製造方法及び再剥離性粘着シート積層体 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4916435B2 (ja) |
KR (1) | KR101193705B1 (ja) |
CN (1) | CN101151341B (ja) |
TW (1) | TWI406924B (ja) |
WO (1) | WO2006104235A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014070142A (ja) * | 2012-09-28 | 2014-04-21 | Lintec Corp | 再剥離性粘着シートの製造方法 |
JP2020090619A (ja) * | 2018-12-06 | 2020-06-11 | 日東電工株式会社 | 水分散型粘着剤組成物および粘着シート |
WO2022092250A1 (ja) * | 2020-10-30 | 2022-05-05 | 東洋インキScホールディングス株式会社 | アクリル系ポリマー粒子の製造方法、アクリル系ポリマー粒子、アクリル系ポリマー粒子含有組成物、及び水性粘着剤 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120064338A1 (en) * | 2009-05-26 | 2012-03-15 | Mitsubishi Plastics, Inc. | Adhesive material having removability |
TWI626290B (zh) * | 2015-08-26 | 2018-06-11 | feng qian Chen | Polyethylene tape |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0622351U (ja) * | 1992-08-28 | 1994-03-22 | 神崎製紙株式会社 | 防滑性粘着テープ |
JPH06172739A (ja) * | 1992-12-10 | 1994-06-21 | Nichiban Co Ltd | 再剥離性粘着体 |
JPH1121524A (ja) * | 1997-07-07 | 1999-01-26 | Oji Paper Co Ltd | 再剥離性粘着シート |
JPH1178310A (ja) * | 1997-09-04 | 1999-03-23 | Nichiban Co Ltd | カード状情報担体固定用粘着テープ及び印刷用シート |
JP2000086995A (ja) * | 1998-09-09 | 2000-03-28 | Nichiban Co Ltd | 粘着剤組成物、再剥離性粘着テープ、及び印刷用シート |
JP2000255188A (ja) * | 1999-03-09 | 2000-09-19 | Nichiban Co Ltd | 印刷用シート |
JP2004346333A (ja) * | 1994-07-01 | 2004-12-09 | Minnesota Mining & Mfg Co <3M> | 粘着性微小球を含む再配置性感圧接着剤の膜を含むシート材料 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3552353A (en) * | 1966-12-05 | 1971-01-05 | Raymond A Labombarde | Apparatus for applying high viscosity coatings |
JPS6079593A (ja) * | 1983-10-07 | 1985-05-07 | Hitachi Ltd | 半導体集積回路システム |
TW338043B (en) * | 1992-12-11 | 1998-08-11 | Minnesota Mining & Mfg | Tacky microspheres having pendant hydrophilic polymeric or oligomeric moieties |
IL109304A0 (en) * | 1993-05-07 | 1994-07-31 | Rohm & Haas | Production of a multi-staged latex and its use in coatings |
JP4714961B2 (ja) * | 2000-05-26 | 2011-07-06 | 凸版印刷株式会社 | 塗布装置 |
-
2006
- 2006-03-27 KR KR1020077021877A patent/KR101193705B1/ko active IP Right Grant
- 2006-03-27 CN CN2006800106936A patent/CN101151341B/zh not_active Expired - Fee Related
- 2006-03-27 WO PCT/JP2006/306994 patent/WO2006104235A1/ja active Application Filing
- 2006-03-27 JP JP2007510579A patent/JP4916435B2/ja not_active Expired - Fee Related
- 2006-03-28 TW TW095110631A patent/TWI406924B/zh not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0622351U (ja) * | 1992-08-28 | 1994-03-22 | 神崎製紙株式会社 | 防滑性粘着テープ |
JPH06172739A (ja) * | 1992-12-10 | 1994-06-21 | Nichiban Co Ltd | 再剥離性粘着体 |
JP2004346333A (ja) * | 1994-07-01 | 2004-12-09 | Minnesota Mining & Mfg Co <3M> | 粘着性微小球を含む再配置性感圧接着剤の膜を含むシート材料 |
JPH1121524A (ja) * | 1997-07-07 | 1999-01-26 | Oji Paper Co Ltd | 再剥離性粘着シート |
JPH1178310A (ja) * | 1997-09-04 | 1999-03-23 | Nichiban Co Ltd | カード状情報担体固定用粘着テープ及び印刷用シート |
JP2000086995A (ja) * | 1998-09-09 | 2000-03-28 | Nichiban Co Ltd | 粘着剤組成物、再剥離性粘着テープ、及び印刷用シート |
JP2000255188A (ja) * | 1999-03-09 | 2000-09-19 | Nichiban Co Ltd | 印刷用シート |
Non-Patent Citations (1)
Title |
---|
"Secchaku Handbook", vol. 3RD ED., 28 June 1996, THE NIKKAN KOGYO SHINBUN, pages: 1101 - 1102, XP003008004 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014070142A (ja) * | 2012-09-28 | 2014-04-21 | Lintec Corp | 再剥離性粘着シートの製造方法 |
JP2020090619A (ja) * | 2018-12-06 | 2020-06-11 | 日東電工株式会社 | 水分散型粘着剤組成物および粘着シート |
JP7261001B2 (ja) | 2018-12-06 | 2023-04-19 | 日東電工株式会社 | 水分散型粘着剤組成物および粘着シート |
WO2022092250A1 (ja) * | 2020-10-30 | 2022-05-05 | 東洋インキScホールディングス株式会社 | アクリル系ポリマー粒子の製造方法、アクリル系ポリマー粒子、アクリル系ポリマー粒子含有組成物、及び水性粘着剤 |
Also Published As
Publication number | Publication date |
---|---|
TW200702415A (en) | 2007-01-16 |
CN101151341A (zh) | 2008-03-26 |
JPWO2006104235A1 (ja) | 2008-09-11 |
JP4916435B2 (ja) | 2012-04-11 |
CN101151341B (zh) | 2013-04-17 |
KR20070116611A (ko) | 2007-12-10 |
KR101193705B1 (ko) | 2012-10-22 |
TWI406924B (zh) | 2013-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5242331B2 (ja) | 粘着剤組成物およびその利用 | |
JP5448409B2 (ja) | 粘着剤組成物および粘着シート | |
EP1580245B1 (en) | Acrylic pressure sensitive adhesive composition and pressure sensitive adhesive tape | |
JP5441575B2 (ja) | 両面粘着シートおよびその製造方法 | |
JP2002532611A (ja) | 除去可能乳剤感圧接着剤 | |
JP2004155986A (ja) | 粘着テープ又はシート | |
WO2006104235A1 (ja) | 再剥離性粘着シート、その製造方法及び再剥離性粘着シート積層体 | |
JP5485083B2 (ja) | 熱硬化型接着テープ又はシート | |
JP5885051B2 (ja) | 粘着テープ及び部材の製造方法 | |
JP5386780B2 (ja) | エマルジョン型粘着剤および粘着シート | |
JP2015000908A (ja) | 両面粘着シートの製造方法 | |
WO1998044066A1 (fr) | Adhesif autocollant | |
JP4326092B2 (ja) | 塗装用マスキングテープまたはシート | |
JP2001011396A (ja) | シートの施工方法 | |
JP5976528B2 (ja) | 再剥離性粘着シートの製造方法 | |
JP4505580B2 (ja) | 粘着層転写テープ用転写具 | |
JP2017105904A (ja) | 積層体、接着キット、積層構造体及びその製造方法、並びにコンタクト接着剤組成物 | |
TW201420716A (zh) | 黏膠帶及黏膠帶之製造方法 | |
JP2001131503A (ja) | 感圧接着シート | |
JP2000265138A (ja) | 感圧性接着剤組成物とその接着シ―ト類 | |
JP2000355680A (ja) | 成形体の製造方法 | |
JPH1121524A (ja) | 再剥離性粘着シート | |
JP6225377B2 (ja) | 粘着テープ及び積層粘着テープ | |
JP2001279199A (ja) | 両面粘着テープ | |
JPH11228927A (ja) | 感熱粘着剤組成物及び感熱粘着シート |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200680010693.6 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2007510579 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077021877 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
NENP | Non-entry into the national phase |
Ref country code: RU |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 06730942 Country of ref document: EP Kind code of ref document: A1 |