WO2015016204A1 - 感圧転写粘着テープ及び転写具 - Google Patents
感圧転写粘着テープ及び転写具 Download PDFInfo
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- WO2015016204A1 WO2015016204A1 PCT/JP2014/069904 JP2014069904W WO2015016204A1 WO 2015016204 A1 WO2015016204 A1 WO 2015016204A1 JP 2014069904 W JP2014069904 W JP 2014069904W WO 2015016204 A1 WO2015016204 A1 WO 2015016204A1
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- pressure
- adhesion
- sensitive
- layer
- adhesive tape
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- 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]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09J175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated 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
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
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- 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
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
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- 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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
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- 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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- 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
- C09J2425/00—Presence of styrenic polymer
- C09J2425/005—Presence of styrenic polymer in the release coating
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- 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
- C09J2433/00—Presence of (meth)acrylic polymer
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- 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
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/005—Presence of (meth)acrylic polymer in the release coating
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- 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
- C09J2461/00—Presence of condensation polymers of aldehydes or ketones
- C09J2461/005—Presence of condensation polymers of aldehydes or ketones in the release coating
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- 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
- C09J2491/00—Presence of oils, fats or waxes
- C09J2491/005—Presence of oils, fats or waxes in the release coating
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- 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
- C09J2493/00—Presence of natural resin
- C09J2493/005—Presence of natural resin in the release coating
Definitions
- the present invention relates to a pressure-sensitive transfer adhesive tape capable of being glued between the adherends when the adhesive layer is transferred to an adherend such as a paper surface by being pressed against the paper surface by a hand-held transfer tool.
- the present invention relates to a transfer tool provided.
- Double-sided pressure-sensitive adhesive tape is a non-supported double-sided pressure-sensitive adhesive tape that does not have a support (core material) and transfers only the adhesive layer to the adherend, and is used as a pressure-sensitive transfer pressure-sensitive adhesive tape in various fields and applications.
- the structure is formed by providing an adhesive layer on one side of a release substrate and winding it into a roll.
- a transfer tool in which a pressure-sensitive transfer adhesive tape is wound in a small volume and attached to a transfer device is marketed under a name such as “tape glue”.
- This transfer tool has a delivery reel for winding a pressure-sensitive transfer adhesive tape, a transfer head for transferring the pressure-sensitive transfer adhesive tape supplied from the delivery reel to a transfer medium while peeling the adhesive layer from the substrate, and transfer use.
- a winding reel for winding up the remaining base material is provided in a container that can be grasped and used with one hand. Unlike liquid glue and solid glue, which are commonly used in pasting paper, these adhesives can be easily transferred to the substrate without fouling hands, and no drying time is required before bonding. There are advantages such as that the paper as the adherend does not wrinkle.
- Patent Document 1 reports an adhesive tape that can be reattached.
- This pressure-sensitive adhesive tape controls the center line surface roughness of the pressure-sensitive adhesive surface formed from a pressure-sensitive adhesive composition containing 50 to 90 parts by weight of filler to 100 parts by weight of the pressure-sensitive adhesive component to 5 to 50 ⁇ m.
- this pressure-sensitive adhesive tape is suitable for applications in which the members are arranged mainly inside the electric / electronic device, but the adhesive area is sufficiently small when applied to an adherend with a rough surface such as paper. In addition, there is a problem that it becomes difficult to remove immediately after bonding.
- the present invention can also be applied to adherends such as papers. Immediately after adhering the adherends, the adherends can be easily separated and reattached. In addition, after a predetermined time has elapsed after bonding the adherends together, the adherends are firmly bonded to each other. It is an object to provide a transfer adhesive tape and a transfer tool.
- the present inventors have found that the above problem can be solved by providing an adhesion-inhibiting layer between the release substrate and the adhesive layer, and have reached the present invention.
- the present invention is as follows.
- a pressure-sensitive transfer adhesive tape having a pressure-sensitive transfer layer in which an adhesion-inhibiting layer and an adhesive layer are sequentially laminated on one side of a release substrate made of paper or a plastic film,
- the adhesion-inhibiting layer prevents the pressure-sensitive adhesive layer formed on one adherend from coming into contact with the other adherent, weakens the adhesion between the adherends, and can be easily peeled off. With the passage of time later, the adhesion-inhibiting layer moves to the other adherend, and the adherend and the adhesive layer come into contact with each other, thereby exhibiting strong adhesion between the adherends.
- Pressure-sensitive transfer adhesive tape having a pressure-sensitive transfer layer in which an adhesion-inhibiting layer and an adhesive layer are sequentially laminated on one side of a release substrate made of paper or a plastic film
- the adhesion inhibiting layer is a terpene resin, rosin derivative, petroleum resin, coumarone-indene resin, hydrogenated aromatic copolymer, styrene resin, phenol resin, acrylic resin and xylene resin, or hydrogenation thereof.
- the pressure-sensitive transfer pressure-sensitive adhesive tape according to 1) which is formed of one or more kinds of resins selected from those.
- a transfer tool comprising the pressure-sensitive transfer adhesive tape according to any one of 1) to 9).
- the pressure-sensitive transfer pressure-sensitive adhesive tape of the present invention has low adhesiveness immediately after bonding of the adherends, so that correction work such as peeling and reattaching of the adherends is easy, and bonding of the adherends is performed. After a predetermined time has elapsed, the adherends are firmly bonded to each other, so that they can be used without problems in applications such as sealing envelopes that require security.
- the pressure-sensitive transfer pressure-sensitive adhesive tape in the present invention is provided with an adhesion-inhibiting layer between a release substrate and an adhesive layer, and the adhesion-inhibiting layer and the adhesive layer are sequentially laminated on one side of the release substrate made of paper or a plastic film. Thus, a pressure-sensitive transfer layer is formed.
- the above release substrate is obtained by coating a release agent on both surfaces of the substrate to form a release layer.
- the release agent include a fluororesin, a silicone resin, and a fluorosilicone resin.
- the base material used for the peeling base material paper or plastic film having bending rigidity suitable for a transfer tool having an automatic winding mechanism is used.
- the paper include glassine paper.
- the plastic film include polyester films such as polyethylene terephthalate and polyolefin films such as polypropylene and polyethylene. The thickness of these substrates is preferably 3 to 50 ⁇ m from the viewpoint of transferability and cost.
- the pressure-sensitive transfer tape of the present invention When the pressure-sensitive transfer tape of the present invention is transferred to one of the adherends to be bonded, an adhesive layer is formed on the adherend, and an adhesion inhibition layer is formed thereon. Immediately after the bonding, the adhesion-inhibiting layer prevents the other adherend from contacting the transferred adhesive layer, weakens the adhesion between the adherends, and can be easily peeled off. With the lapse of time after bonding, the adhesion-inhibiting layer moves to the other adherend, and as a result, the adherend and the adhesive layer come into contact with each other, thereby exhibiting strong adhesion between the adherends. .
- the thickness of the adhesion-inhibiting layer is preferably in the range of 0.05 to 5 ⁇ m. If the thickness is smaller than 0.05 ⁇ m, the adhesion immediately after bonding the adherends may not be sufficiently lowered, and peeling of the adherends may be difficult. It may take too much time and impair practicality. Further, the adhesion-inhibiting layer may be formed as a continuous film, or may be discontinuously patterned within a range that does not impair the effects of the present invention. The thickness and film shape of the adhesion-inhibiting layer may be appropriately selected according to the application of the pressure-sensitive transfer adhesive tape, the type of the adherend, the adhesive, and the like.
- adhesion inhibitor prevents the other adherend and the transferred adhesive layer from coming into contact with each other immediately after bonding.
- Any material can be used without particular limitation as long as it can be easily peeled by weakening its adhesiveness and can be transferred to the other adherend as time passes after bonding. Then, when the adhesion inhibitor moves to the other adherend, the adherend and the pressure-sensitive adhesive layer come into contact with each other, thereby exhibiting strong adhesion between the adherends.
- adhesion inhibitor examples include terpene resins such as terpene phenol resin, terpene resin, and liquid terpene resin (for example, “Sylvares” manufactured by Arizona Chemical Co., Ltd., “YS Polyster” manufactured by Yasuhara Chemical Co., Ltd., etc.) ), Rosin derivatives (for example, “Superester”, “Pencel”, etc.
- terpene resins rosin derivatives, coumarone-indene resins, and styrene resins are preferable. These resins are not tacky per se, but flow with a pressure that can be pressed by hand and easily form a relatively uniform film even in a small amount.
- An adhesion inhibitor may be used independently or may use 2 or more types together.
- the adhesion-inhibiting layer is preferably formed of a resin having a softening point of 100 ° C. or less, and the resin forming the adhesion-inhibiting layer can be used from solid to liquid at room temperature.
- the softening point of the resin forming the adhesion-inhibiting layer is more preferably from 30 ° C. to 100 ° C., particularly preferably from 50 ° C. to 100 ° C.
- the softening point of the resin can be determined by the ring and ball method described in JIS K5601-2-2.
- the adhesion-inhibiting layer formed of a resin having a softening point exceeding 100 ° C. has high rigidity, and the resin does not easily transfer to the adherend during a normal crimping operation. Sometimes. When the adhesion-inhibiting layer is in the above temperature range, the resin easily moves to the adherend in a normal pressure-bonding operation, so that the adhesiveness is kept low immediately after the adherend is bonded, so that the correction work is easy. This can be performed, and the adherend can be firmly bonded over time.
- an adhesion-inhibiting layer formed of a resin whose softening point is higher than room temperature it is possible to prevent the resin from moving to the adhesive layer over time and to reduce the adhesion-inhibiting layer, and when exposed to high temperatures.
- the resin can be prevented from flowing out from the pressure transfer adhesive tape.
- the adhesion-inhibiting layer may contain additives such as fillers, wetting agents, viscosity modifiers, lubricants, and solvents, as long as the effects of the present invention are not impaired. .
- an acrylic pressure-sensitive adhesive As the pressure-sensitive adhesive forming the above pressure-sensitive adhesive layer, an acrylic pressure-sensitive adhesive, a rubber-based pressure-sensitive adhesive, a silicone-based pressure-sensitive adhesive, a rosin-based pressure-sensitive adhesive, a urethane-based pressure-sensitive adhesive, a polyether-based pressure-sensitive adhesive, a polyester-based pressure-sensitive adhesive, or the like is used. be able to.
- An acrylic pressure-sensitive adhesive is particularly preferred from the viewpoint of excellent coating suitability.
- acrylic pressure-sensitive adhesive those mainly composed of an acrylic copolymer obtained by copolymerization of various acrylic ester monomers and a copolymerizable monomer blended as required are suitably used.
- acrylate monomer examples include, for example, alkyl acrylates such as methyl acrylate, ethyl butyl acrylate, 2-ethylhexyl acrylate, octyl acrylate, cyclohexyl acrylate, and benzyl acrylate, butyl methacrylate, Methacrylic acid alkyl esters such as 2-ethylhexyl acid, cyclohexyl methacrylate and benzyl methacrylate are used, and these acrylate monomers are used alone or in combination of two or more.
- alkyl acrylates such as methyl acrylate, ethyl butyl acrylate, 2-ethylhexyl acrylate, octyl acrylate, cyclohexyl acrylate, and benzyl acrylate
- Methacrylic acid alkyl esters such as 2-ethylhexyl acid, cyclohexyl
- a monomer having a functional group is suitably used as the copolymerizable monomer copolymerized with the acrylate monomer.
- carboxyl group-containing monomers such as acrylic acid, methacrylic acid, crotonic acid, maleic acid, fumaric acid, itaconic acid; 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meta ) Hydroxyl group-containing monomers such as acrylate, N-methylolacrylamide and allyl alcohol; Tertiary amino group-containing monomers such as dimethylaminopropyl (meth) acrylate; Acrylamide, N-methyl (meth) acrylamide, N-methoxymethyl (meth) And N-substituted amide group-containing monomers such as acrylamide and N-octylacrylamide; and epoxy group-containing monomers such as glycidyl methacrylate.
- the monomer which does not have a functional group can also be copolymerized suitably, and a vinyl acetate, vinyl propionate, vinyl ether, styrene, acrylonitrile etc. are mentioned as a monomer which does not have these functional groups, for example.
- acrylic copolymers Commercially available products of the above acrylic copolymers include “Nissetsu” manufactured by Nippon Carbide Industries Co., Ltd., “Olivein” manufactured by Toyochem Co., Ltd., “Aron Tac” manufactured by Toagosei Co., Ltd., and “Cybinol” manufactured by Saiden Chemical Co., Ltd. "SK Dyne” manufactured by Soken Chemical Co., Ltd., “Acryset” manufactured by Nippon Shokubai Co., Ltd., “Vinsol” manufactured by Yushi Kogyo Co., Ltd., and “Vinirole” manufactured by Showa Denko Co., Ltd. it can.
- acrylic copolymers By crosslinking these acrylic copolymers, they can be suitably used as the acrylic pressure-sensitive adhesive of the present invention.
- crosslinking agent isocyanate type, epoxy type, metal chelate compound type, amine compound type, melamine type, hydrazine compound type, aldehyde compound type, metal alkoxide depending on the type of functional group of the monomer having a copolymerized functional group And metal salt systems are used.
- isocyanate-based crosslinking agents are preferably used.
- isocyanate-based crosslinking agent examples include hexamethylene diisocyanate, phenylene diisocyanate, triene diisocyanate, xylylene diisocyanate, and naphthalene diisocyanate.
- the crosslinking agent may be allowed to coexist during the production of the acrylic copolymer, that is, when the acrylate monomer and the monomer having a functional group are copolymerized, or may be added after the acrylic copolymer is obtained once. May be reacted.
- the crosslinking agent is preferably added after obtaining the acrylic copolymer from the viewpoint of easy adjustment of the properties as an adhesive.
- an acrylic copolymer can also be crosslinked by copolymerizing with various acrylate monomers using a monomer having two or more radical polymerizable double bonds in the molecule.
- the monomer having a functional group is not essential for crosslinking, it may be appropriately used for adjusting the properties as an adhesive.
- Monomers having two or more radical polymerizable double bonds in the molecule include 1,2-ethylene glycol diacrylate, 1,3-propylene glycol diacrylate, 1,4-butanediol diacrylate, 1,6- Hexanediol diacrylate, trimethylolpropane triacrylate, 1,2-ethylene glycol dimethacrylate, 1,3-propylene glycol dimethacrylate, 1,4-butanediol dimethacrylate, 1,6-hexanediol dimethacrylate, trimethylolpropane Examples include trimethacrylate, methylenebisacrylamide, and the like.
- the pressure-sensitive adhesive forming the pressure-sensitive adhesive layer is 0.1 to 10 parts by weight of a crosslinking agent, more preferably 100 parts by weight of a pressure-sensitive adhesive main component (acrylic copolymer in the case of an acrylic pressure-sensitive adhesive). Those containing 1 to 5 parts by weight are preferably used.
- the cross-linking agent is less than 0.1 parts by weight, the holding power of the pressure-sensitive adhesive is inferior, and even when a predetermined time elapses after the adhesion of the adherends, the adherends are difficult to adhere firmly.
- the crosslinking agent exceeds 10 parts by weight, the pressure-sensitive adhesive layer becomes too hard and the pressure-sensitive adhesive force is lowered, and interfacial peeling is likely to occur between the adherend and the pressure-sensitive adhesive layer.
- the content of the crosslinking agent can be appropriately changed according to the type of the main component of the pressure-sensitive adhesive, the type of the adherend, and the like.
- the adhesive layer can also contain additives such as tackifier resins, fillers, wetting agents, viscosity modifiers, lubricants and solvents.
- additives such as tackifier resins, fillers, wetting agents, viscosity modifiers, lubricants and solvents.
- the content of these additives is not particularly limited as long as the effects of the present invention are not impaired.
- the thickness of the pressure-sensitive adhesive layer is preferably in the range of 5 to 50 ⁇ m in order to ensure sufficient adhesion after the adherence of the adherend. More preferably, it is in the range of 5 to 40 ⁇ m.
- This adhesive layer may be formed as a continuous film or may be discontinuously patterned.
- the method for forming the adhesion-inhibiting layer and the pressure-sensitive adhesive layer on the release substrate is not particularly limited, and examples thereof include the following methods.
- the method by the “multi-layer coating method” can be mentioned.
- a mixed solution of an adhesion inhibitor and a solvent that forms an adhesion-inhibiting layer is applied onto a release substrate and dried to form an adhesion-inhibiting layer.
- a laminated structure can be formed on the release substrate by applying the agent solution and drying to form an adhesive layer.
- the pressure-sensitive adhesive solution is prepared by adding a crosslinking agent and a solvent to the main component of the pressure-sensitive adhesive and adjusting the viscosity to an appropriate level.
- an adhesion inhibitor for example, a resin
- an adhesion inhibition layer is mixed in an adhesive solution in an amount ratio exceeding the limit amount of compatibility with the adhesive, and then the mixture is removed from the release group.
- a laminated structure can be formed on the release substrate by applying the resin on the material and drying it to cause phase separation of the resin forming the adhesion-inhibiting layer from the adhesive layer.
- the mixing ratio of the pressure-sensitive adhesive and the resin is not limited because it varies depending on the type of the pressure-sensitive adhesive and the resin, but it is 10 to 50 parts by weight of the resin with respect to 100 parts by weight of the pressure-sensitive adhesive (in terms of solid content). When mixed at a ratio, it becomes easy to form an adhesion-inhibiting layer from the phase separated resin.
- Examples of the solvent of the solution include ketones such as methyl ethyl ketone, acetone, methyl isobutyl ketone, and cyclohexanone; esters such as ethyl acetate and butyl acetate; hydrocarbons such as toluene, xylene, and n-hexane; ethanol, isopropanol, n- Examples include alcohols such as butanol; water and the like. You may mix and use these suitably.
- a bar coater for example, a bar coater, a roll coater, a gravure coater, a knife coater, a die coater, a comma coater, a lip coater, a kiss reverse coater and the like can be used as appropriate.
- a transfer tool having an automatic winding mechanism a transfer reel on which a pressure-sensitive transfer adhesive tape is wound, and an adhesive layer of the pressure-sensitive transfer adhesive tape supplied from the supply reel are transferred to a transfer target while being peeled from the substrate. Examples include, but are not limited to, a transfer head and a winding reel that winds up the substrate after transfer.
- a special rosin ester Super Ester A75, manufactured by Arakawa Chemical Industries, Ltd., softening point 75 ° C.
- ⁇ Manufacture of adhesive layer coating liquid 100 parts by weight of an adhesive A made of an acrylic copolymer (Olivein BPS1109, manufactured by Toyochem Co., Ltd., solid content 40%), 2 parts by weight of an isocyanate-based crosslinking agent (Coronate L, manufactured by Nippon Polyurethane Co., Ltd.), 30 parts by weight of toluene was mixed to obtain an adhesive layer coating solution.
- an adhesive A made of an acrylic copolymer (Olivein BPS1109, manufactured by Toyochem Co., Ltd., solid content 40%)
- an isocyanate-based crosslinking agent Coronate L, manufactured by Nippon Polyurethane Co., Ltd.
- the coating solution for adhesion-inhibiting layer is applied with a gravure coater and then dried to form an adhesion-inhibiting layer having a thickness of 0.5 ⁇ m. Formed.
- the pressure-sensitive adhesive layer coating solution was applied with a die coater and then dried to form a pressure-sensitive adhesive layer having a thickness of 30 ⁇ m to obtain a pressure-sensitive transfer pressure-sensitive adhesive tape.
- Example 2 Except for changing the amount of the isocyanate-based crosslinking agent in the coating liquid for the adhesive layer to 0.5 parts by weight, in the same manner as in Example 1, an adhesion-inhibiting layer having a thickness of 0.5 ⁇ m and a thickness of 30 ⁇ m were formed on the release substrate.
- the pressure-sensitive transfer adhesive tape was obtained.
- Example 3 Except for changing the amount of the isocyanate-based cross-linking agent in the coating liquid for the adhesive layer to 3 parts by weight, the adhesion-inhibiting layer having a thickness of 0.5 ⁇ m and the adhesive having a thickness of 30 ⁇ m were formed on the release substrate in the same manner as in Example 1. A layer was formed to obtain a pressure-sensitive transfer adhesive tape.
- Example 4 Except for changing the amount of the special rosin ester in the coating solution for the adhesion-inhibiting layer to 1 part by weight, in the same manner as in Example 1, an adhesion-inhibiting layer having a thickness of 0.1 ⁇ m and a thickness of 30 ⁇ m were formed on the release substrate. An adhesive layer was formed to obtain a pressure-sensitive transfer adhesive tape.
- Example 5 Except for changing the amount of the special rosin ester in the coating solution for the adhesion-inhibiting layer to 10 parts by weight, in the same manner as in Example 1, an adhesion-inhibiting layer having a thickness of 1.0 ⁇ m and a thickness of 30 ⁇ m on the release substrate. An adhesive layer was formed to obtain a pressure-sensitive transfer adhesive tape.
- Example 6 The same procedure as in Example 1 was used except that 5 parts by weight of terpene phenol resin (Sylvares TP95, manufactured by Arizona Chemical Co., Ltd., softening point 95 ° C.) was used instead of the special rosin ester in the coating solution for the adhesion-inhibiting layer. Then, an adhesion-inhibiting layer having a thickness of 0.5 ⁇ m and an adhesive layer having a thickness of 30 ⁇ m were formed on the release substrate to obtain a pressure-sensitive transfer adhesive tape.
- terpene phenol resin Sylvares TP95, manufactured by Arizona Chemical Co., Ltd., softening point 95 ° C.
- Example 7 Instead of the special rosin ester in the coating solution for the adhesion-inhibiting layer, 5 parts by weight of coumarone / indene / styrene copolymer (Knit Resin Coumarone G-90, manufactured by Nikko Chemical Co., Ltd., softening point 90 ° C.) is used. Except for this, a pressure-sensitive transfer pressure-sensitive adhesive tape was obtained in the same manner as in Example 1, except that an adhesion-inhibiting layer having a thickness of 0.5 ⁇ m and an adhesive layer having a thickness of 30 ⁇ m were formed on the release substrate.
- coumarone / indene / styrene copolymer Knit Resin Coumarone G-90, manufactured by Nikko Chemical Co., Ltd., softening point 90 ° C.
- Example 8 (Example 8) Implemented except that the adhesive A composed of an acrylic copolymer in the coating liquid for the adhesive layer was changed to an adhesive B (manufactured by Yushi Kogyo Co., Ltd., Vainsol AS-2050, solid content 45%).
- an adhesion-inhibiting layer having a thickness of 0.5 ⁇ m and an adhesive layer having a thickness of 30 ⁇ m were formed on the release substrate to obtain a pressure-sensitive transfer adhesive tape.
- Example 9 Example 1 except that the adhesive A composed of an acrylic copolymer in the coating liquid for the adhesive layer was changed to an adhesive C (manufactured by Toagosei Co., Ltd., Aron Tack S-1511X, solid content 40%).
- an adhesion-inhibiting layer having a thickness of 0.5 ⁇ m and an adhesive layer having a thickness of 30 ⁇ m were formed on the release substrate to obtain a pressure-sensitive transfer adhesive tape.
- a pressure-sensitive transfer pressure-sensitive adhesive tape was obtained by forming a pressure-sensitive adhesive layer having a thickness of 30 ⁇ m on the release substrate in the same manner as in Example 1 except that the coating solution for the adhesion-inhibiting layer was not applied.
- Example 10 ⁇ Manufacture of coating liquid> 100 parts by weight of an adhesive A made of an acrylic copolymer (Olivein BPS1109, manufactured by Toyochem Co., Ltd.), 10 parts by weight of a terpene phenol resin (Sylvares TP95, manufactured by Arizona Chemical Co., Ltd., softening point 95 ° C.), and isocyanate 2 parts by weight of a system cross-linking agent (Coronate L, manufactured by Nippon Polyurethane Co., Ltd.) and 30 parts by weight of toluene were mixed to obtain a coating solution.
- an adhesive A made of an acrylic copolymer (Olivein BPS1109, manufactured by Toyochem Co., Ltd.), 10 parts by weight of a terpene phenol resin (Sylvares TP95, manufactured by Arizona Chemical Co., Ltd., softening point 95 ° C.), and isocyanate 2 parts by weight of a system cross-linking agent (Coronate
- the coating liquid was applied with a die coater on a release substrate (material: polyethylene terephthalate film, thickness 12 ⁇ m) subjected to a release treatment, and then dried to obtain a pressure-sensitive transfer adhesive tape.
- the layer having a thickness of 0.3 ⁇ m was mainly a terpene phenol resin and the layer having a thickness of 30 ⁇ m was a mixture of a terpene phenol resin and an adhesive.
- a layer mainly composed of terpene phenol resin was used as an adhesion-inhibiting layer, and the other layers were used as adhesive layers.
- Example 11 Pressure-sensitive transfer in the same manner as in Example 10 except that 5 parts by weight of a polyterpene resin (Sylvares TRA25, manufactured by Arizona Chemical Co., Ltd., softening point 25 ° C.) was used instead of the terpene phenol resin in the coating solution. An adhesive tape was obtained. When analyzed in the same manner, an adhesion-inhibiting layer having a thickness of 0.8 ⁇ m was formed on the release substrate, and an adhesive layer having a thickness of 30 ⁇ m was formed thereon.
- a polyterpene resin Sylvares TRA25, manufactured by Arizona Chemical Co., Ltd., softening point 25 ° C.
- Example 12 A pressure-sensitive transfer adhesive tape was obtained in the same manner as in Example 10 except that 5 parts by weight of a liquid terpene resin (YS Resin LP, manufactured by Yasuhara Chemical Co., Ltd.) was used instead of the terpene phenol resin in the coating solution. .
- a liquid terpene resin (YS Resin LP, manufactured by Yasuhara Chemical Co., Ltd.) was used instead of the terpene phenol resin in the coating solution.
- a liquid terpene resin YS Resin LP, manufactured by Yasuhara Chemical Co., Ltd.
- Example 13 Instead of the terpene phenol resin in the coating solution, except that 10 parts by weight of a special rosin ester (Super Ester A75, manufactured by Arakawa Chemical Industries, Ltd., softening point 75 ° C.) was used, the same as in Example 10, A pressure-sensitive transfer adhesive tape was obtained.
- a special rosin ester Super Ester A75, manufactured by Arakawa Chemical Industries, Ltd., softening point 75 ° C.
- Example 14 The pressure-sensitive adhesive A composed of an acrylic copolymer in the coating solution was changed to pressure-sensitive adhesive D (manufactured by Yushi Kogyo Co., Ltd., Vainsol R1500S, solid content 44%), and the amount of terpene phenol resin was 20 wt.
- a pressure-sensitive transfer pressure-sensitive adhesive tape was obtained in the same manner as in Example 10 except for changing to the part.
- an adhesion-inhibiting layer having a thickness of 2.0 ⁇ m was formed on the release substrate, and an adhesive layer having a thickness of 30 ⁇ m was formed thereon.
- Example 15 The pressure-sensitive adhesive A made of an acrylic copolymer in the coating solution was changed to pressure-sensitive adhesive D (manufactured by Yushi Kogyo Co., Ltd., Vainsol R1500S), and a special rosin ester (super ester A75) instead of terpene phenol resin.
- a pressure-sensitive transfer adhesive tape was obtained in the same manner as in Example 10 except that 20 parts by weight of Arakawa Chemical Industries, Ltd., softening point 75 ° C. was used.
- an adhesion-inhibiting layer having a thickness of 1.5 ⁇ m was formed on the release substrate, and an adhesive layer having a thickness of 30 ⁇ m was formed thereon.
- Adhesive A consisting of an acrylic copolymer in the coating solution was changed to Adhesive C (Alontack S-1511X, manufactured by Toagosei Co., Ltd.), and the amount of terpene phenol resin was changed to 15 parts by weight. Obtained a pressure-sensitive transfer adhesive tape in the same manner as in Example 10.
- Adhesive C Adhesive C (Alontack S-1511X, manufactured by Toagosei Co., Ltd.)
- Adhesive C Alontack S-1511X, manufactured by Toagosei Co., Ltd.
- Adhesive A consisting of an acrylic copolymer in the coating solution was changed to Adhesive C (Alontack S-1511X, manufactured by Toagosei Co., Ltd.), instead of terpene phenol resin, coumarone / indene / styrene copolymer A pressure-sensitive transfer pressure-sensitive adhesive tape was obtained in the same manner as in Example 10 except that 20 parts by weight (Knit Resin Coumarone G-90, manufactured by Nikko Chemical Co., Ltd., softening point 90 ° C.) was used. When analyzed in the same manner, an adhesion-inhibiting layer having a thickness of 0.7 ⁇ m was formed on the release substrate, and an adhesive layer having a thickness of 30 ⁇ m was formed thereon.
- the obtained pressure-sensitive transfer adhesive tape was slit into a width of 8.4 mm to obtain a roll-shaped pressure-sensitive transfer adhesive tape. This was attached to a transfer tool having an automatic winding mechanism and used as an evaluation sample.
- the pressure-sensitive transfer pressure-sensitive adhesive tape of the present invention transfers the pressure-sensitive transfer layer released from the base material onto the surface of an adherend such as paper, film, foam, metal, etc. It is suitable for the purpose of bonding, and the adherend is particularly preferably paper.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
前記接着阻害層は、一方の被着材上に形成された粘着層と他方の被着材とが接触するのを妨げ、被着材同士の接着性を弱めて容易に剥離可能にし、貼り合せ後の時間の経過に伴い、当該接着阻害層が他方の被着材に移行し、当該被着材と粘着層とが接触することで被着材同士の強固な接着性が発現することを特徴とする感圧転写粘着テープ。
2)前記接着阻害層が、テルペン系樹脂、ロジン誘導体、石油樹脂、クマロン-インデン系樹脂、水素化芳香族コポリマー、スチレン系樹脂、フェノール系樹脂、アクリル系樹脂及びキシレン系樹脂またはこれらの水素添加物から選ばれる1種または2種以上の樹脂で形成されている1)に記載の感圧転写粘着テープ。
3)前記接着阻害層が、軟化点が100℃以下の樹脂で形成されている1)又は2)に記載の感圧転写粘着テープ。
4)前記接着阻害層の厚さが0.05~5μmで、前記粘着層の厚さが5~50μmである1)~3)いずれか1項に記載の感圧転写粘着テープ。
5)前記粘着層が、アクリル系粘着剤からなる1)~4)いずれか1項に記載の感圧転写粘着テープ。
6)前記アクリル系粘着剤が、アクリル系共重合体100重量部に対し、架橋剤を0.1~10重量部含むアクリル系粘着剤である5)に記載の感圧転写粘着テープ。
7)前記剥離基材の片面に接着阻害層を形成した後、当該接着阻害層の上に粘着層を形成した1)~6)のいずれかに記載の感圧転写粘着テープ。
8)前記剥離基材の片面に接着阻害層と粘着層を層分離させて形成した1)~6)のいずれかに記載の感圧転写粘着テープ。
9)前記接着阻害層を形成する化合物を、前記粘着剤100重量部(固形分換算)に対して10~50重量部の比率で混合した混合液を塗工することにより形成した8)に記載の感圧転写粘着テープ。
10)前記1)~9)のいずれかに記載の感圧転写粘着テープを具備してなる転写具。
製造した感圧転写粘着テープの断面を、日本電子(株)製 走査電子顕微鏡JSM-6060LVを用いて観察し、画像解析法により測定した。
<接着阻害層用塗工液の製造>
特殊ロジンエステル(スーパーエステルA75、荒川化学工業(株)製、軟化点75℃)5重量部を、トルエンとn-ブタノールの混合溶媒(混合比率=1:1)100重量部に溶解し、接着阻害層用塗工液を得た。
アクリル系共重合体からなる粘着剤A(オリバインBPS1109、トーヨーケム(株)製、固形分40%)100重量部と、イソシアネート系架橋剤(コロネートL、日本ポリウレタン(株)製)2重量部と、トルエン30重量部とを混合して粘着層用塗工液を得た。
両面剥離処理を施した剥離基材(材料:ポリエチレンテレフタレートフィルム、厚さ12μm)上に、接着阻害層用塗工液をグラビアコーターで塗工した後乾燥し、厚さ0.5μmの接着阻害層を形成した。この接着阻害層上に、粘着層用塗工液をダイコーターで塗工した後乾燥し、厚さ30μmの粘着層を形成し、感圧転写粘着テープとした。
粘着層用塗工液中のイソシアネート系架橋剤量を0.5重量部に変更した以外は実施例1と同様にして、剥離基材上に厚さ0.5μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
粘着層用塗工液中のイソシアネート系架橋剤量を3重量部に変更した以外は実施例1と同様にして、剥離基材上に厚さ0.5μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
接着阻害層用塗工液中の特殊ロジンエステル量を1重量部に変更した以外は、実施例1と同様にして、剥離基材上に厚さ0.1μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
接着阻害層用塗工液中の特殊ロジンエステル量を10重量部に変更した以外は、実施例1と同様にして、剥離基材上に厚さ1.0μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
接着阻害層用塗工液中の特殊ロジンエステルの代わりに、テルペンフェノール樹脂(Sylvares TP95、アリゾナケミカル(株)製、軟化点95℃)5重量部を使用した以外は、実施例1と同様にして、剥離基材上に厚さ0.5μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
接着阻害層用塗工液中の特殊ロジンエステルの代わりに、クマロン・インデン・スチレン共重合体(ニットレジン クマロンG-90、日塗化学(株)製、軟化点90℃)5重量部を使用した以外は、実施例1と同様にして、剥離基材上に厚さ0.5μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
粘着層用塗工液中のアクリル系共重合体からなる粘着剤Aを、粘着剤B(一方社油脂工業(株)製、バインゾールAS-2050、固形分45%)に変更した以外は、実施例1と同様にして、剥離基材上に厚さ0.5μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
粘着層用塗工液中のアクリル系共重合体からなる粘着剤Aを、粘着剤C(東亞合成(株)製、アロンタックS‐1511X、固形分40%)に変更した以外は、実施例1と同様にして、剥離基材上に厚さ0.5μmの接着阻害層と厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
接着阻害層用塗工液を塗工しなかった以外は、実施例1と同様にして、剥離基材上に厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
<塗工液の製造>
アクリル系共重合体からなる粘着剤A(オリバインBPS1109、トーヨーケム(株)製)100重量部と、テルペンフェノール樹脂(Sylvares TP95、アリゾナケミカル(株)製、軟化点95℃)10重量部と、イソシアネート系架橋剤(コロネートL、日本ポリウレタン(株)製)2重量部と、トルエン30重量部とを混合して塗工液を得た。
剥離処理を施した剥離基材(材料:ポリエチレンテレフタレートフィルム、厚さ12μm)上に、塗工液をダイコーターで塗工した後乾燥し、感圧転写粘着テープとした。
塗工液中のテルペンフェノール樹脂の代わりに、ポリテルペン樹脂(Sylvares TRA25、アリゾナケミカル(株)製、軟化点25℃)5重量部を使用した以外は、実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ0.8μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のテルペンフェノール樹脂の代わりに、液状テルペン樹脂(YSレジンLP、ヤスハラケミカル(株)製)5重量部を使用した以外は実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ1.0μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のテルペンフェノール樹脂の代わりに、特殊ロジンエステル(スーパーエステルA75、荒川化学工業(株)製、軟化点75℃)10重量部を使用した以外は、実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ1.0μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のアクリル系共重合体からなる粘着剤Aを、粘着剤D(一方社油脂工業(株)製、バインゾールR1500S、固形分44%)に変更し、テルペンフェノール樹脂の量を20重量部に変更した以外は、実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ2.0μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のアクリル系共重合体からなる粘着剤Aを、粘着剤D(一方社油脂工業(株)製、バインゾールR1500S)に変更し、テルペンフェノール樹脂の代わりに特殊ロジンエステル(スーパーエステルA75、荒川化学工業(株)製、軟化点75℃)20重量部を使用した以外は、実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ1.5μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のアクリル系共重合体からなる粘着剤Aを、粘着剤C(東亞合成(株)製、アロンタックS-1511X)に変更し、テルペンフェノール樹脂の量を15重量部に変更した以外は、実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ0.7μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のアクリル系共重合体からなる粘着剤Aを、粘着剤C(東亞合成(株)製、アロンタックS-1511X)に変更し、テルペンフェノール樹脂の代わりにクマロン・インデン・スチレン共重合体(ニットレジン クマロンG-90、日塗化学(株)製、軟化点90℃)20重量部を使用した以外は、実施例10と同様にして、感圧転写粘着テープを得た。
同様に分析したところ、剥離基材上に厚さ0.7μmの接着阻害層、その上に厚さ30μmの粘着層が形成されていた。
塗工液中のテルペンフェノール樹脂の量を3重量部に変更した以外は、実施例10と同様にして、剥離基材上に厚さ30μmの粘着層を形成し、感圧転写粘着テープを得た。
実施例および比較例のサンプルを、市販の封筒(商品名:ASKUL クラフト封筒)に転写したのち封緘し、1kgのローラーを1往復させることにより圧着させた。これを表1、表2に記載の各時間経過後に開封し、粘着層および紙片の状態を評価した。
Claims (10)
- 紙又はプラスチックフィルムよりなる剥離基材の片面に、接着阻害層と粘着層とが順次積層されてなる感圧転写層を有する感圧転写粘着テープであって、
前記接着阻害層は、一方の被着材上に形成された粘着層と他方の被着材とが接触するのを妨げ、被着材同士の接着性を弱めて容易に剥離可能にし、貼り合せ後の時間の経過に伴い、当該接着阻害層が他方の被着材に移行し、当該被着材と粘着層とが接触することで被着材同士の強固な接着性が発現することを特徴とする感圧転写粘着テープ。 - 前記接着阻害層が、テルペン系樹脂、ロジン誘導体、石油樹脂、クマロン-インデン系樹脂、水素化芳香族コポリマー、スチレン系樹脂、フェノール系樹脂、アクリル系樹脂及びキシレン系樹脂またはこれらの水素添加物から選ばれる1種または2種以上の樹脂で形成されている請求項1に記載の感圧転写粘着テープ。
- 前記接着阻害層が、軟化点が100℃以下の樹脂で形成されている請求項1又は2に記載の感圧転写粘着テープ。
- 前記接着阻害層の厚さが0.05~5μmで、前記粘着層の厚さが5~50μmである請求項1~3いずれか1項に記載の感圧転写粘着テープ。
- 前記粘着層が、アクリル系粘着剤からなる請求項1~4いずれか1項に記載の感圧転写粘着テープ。
- 前記アクリル系粘着剤が、アクリル系共重合体100重量部に対し、架橋剤を0.1~10重量部含むアクリル系粘着剤である請求項5に記載の感圧転写粘着テープ。
- 前記剥離基材の片面に接着阻害層を形成した後、当該接着阻害層の上に粘着層を形成した請求項1~6のいずれかに記載の感圧転写粘着テープ。
- 前記剥離基材の片面に接着阻害層と粘着層を層分離させて形成した請求項1~6のいずれかに記載の感圧転写粘着テープ。
- 前記接着阻害層を形成する化合物を、前記粘着剤100重量部(固形分換算)に対して10~50重量部の比率で混合した混合液を塗工することにより形成した請求項8に記載の感圧転写粘着テープ。
- 請求項1~9のいずれかに記載の感圧転写粘着テープを具備してなる転写具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480042524.5A CN105473675B (zh) | 2013-08-01 | 2014-07-29 | 感压转印黏着胶带及转印用具 |
KR1020167001313A KR102164980B1 (ko) | 2013-08-01 | 2014-07-29 | 감압 전사 점착 테이프 및 전사구 |
EP14831852.0A EP3029120B1 (en) | 2013-08-01 | 2014-07-29 | Pressure-sensitive adhesive transfer tape and transferring implement |
US14/908,926 US20160186015A1 (en) | 2013-08-01 | 2014-07-29 | Pressure-sensitive adhesive transfer tape and transferring implement |
US15/997,645 US10696871B2 (en) | 2013-08-01 | 2018-06-04 | Pressure-sensitive adhesive transfer tape and transferring implement |
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JP2013-160107 | 2013-08-01 | ||
JP2013160107A JP5684341B2 (ja) | 2013-08-01 | 2013-08-01 | 感圧転写粘着テープ |
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US14/908,926 A-371-Of-International US20160186015A1 (en) | 2013-08-01 | 2014-07-29 | Pressure-sensitive adhesive transfer tape and transferring implement |
US15/997,645 Continuation US10696871B2 (en) | 2013-08-01 | 2018-06-04 | Pressure-sensitive adhesive transfer tape and transferring implement |
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WO2015016204A1 true WO2015016204A1 (ja) | 2015-02-05 |
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PCT/JP2014/069904 WO2015016204A1 (ja) | 2013-08-01 | 2014-07-29 | 感圧転写粘着テープ及び転写具 |
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US (2) | US20160186015A1 (ja) |
EP (1) | EP3029120B1 (ja) |
JP (1) | JP5684341B2 (ja) |
KR (1) | KR102164980B1 (ja) |
CN (1) | CN105473675B (ja) |
WO (1) | WO2015016204A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6082773B2 (ja) * | 2015-06-11 | 2017-02-15 | 株式会社トンボ鉛筆 | 感圧転写粘着テープ |
CN105774281A (zh) * | 2016-03-24 | 2016-07-20 | 苏州久鋐电子有限公司 | 一种压敏胶印刷转贴工艺 |
JP7219943B2 (ja) * | 2018-03-13 | 2023-02-09 | 株式会社トンボ鉛筆 | 感圧転写修正テープ |
JP7187026B2 (ja) * | 2019-02-08 | 2022-12-12 | 株式会社トンボ鉛筆 | 感圧転写粘着テープ |
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2014
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- 2014-07-29 KR KR1020167001313A patent/KR102164980B1/ko active IP Right Grant
- 2014-07-29 US US14/908,926 patent/US20160186015A1/en not_active Abandoned
- 2014-07-29 CN CN201480042524.5A patent/CN105473675B/zh active Active
- 2014-07-29 WO PCT/JP2014/069904 patent/WO2015016204A1/ja active Application Filing
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2018
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Also Published As
Publication number | Publication date |
---|---|
US20180282587A1 (en) | 2018-10-04 |
EP3029120B1 (en) | 2020-05-06 |
US20160186015A1 (en) | 2016-06-30 |
EP3029120A4 (en) | 2017-03-29 |
JP5684341B2 (ja) | 2015-03-11 |
KR102164980B1 (ko) | 2020-10-13 |
JP2015030772A (ja) | 2015-02-16 |
US10696871B2 (en) | 2020-06-30 |
CN105473675A (zh) | 2016-04-06 |
CN105473675B (zh) | 2019-03-22 |
EP3029120A1 (en) | 2016-06-08 |
KR20160039182A (ko) | 2016-04-08 |
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