WO2018150730A1 - Étiquette adhésive - Google Patents

Étiquette adhésive Download PDF

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Publication number
WO2018150730A1
WO2018150730A1 PCT/JP2017/046147 JP2017046147W WO2018150730A1 WO 2018150730 A1 WO2018150730 A1 WO 2018150730A1 JP 2017046147 W JP2017046147 W JP 2017046147W WO 2018150730 A1 WO2018150730 A1 WO 2018150730A1
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WO
WIPO (PCT)
Prior art keywords
adhesive label
pressure
sensitive adhesive
adherend
substrate
Prior art date
Application number
PCT/JP2017/046147
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English (en)
Japanese (ja)
Inventor
田中　孝和
健太郎 宮▲崎▼
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リンテック株式会社
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Filing date
Publication date
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Publication of WO2018150730A1 publication Critical patent/WO2018150730A1/fr

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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
    • 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
    • G09F3/02—Forms or constructions
    • 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

Definitions

  • the present invention relates to an adhesive label.
  • a label may be attached to the container (adhered body) so that the contents (preserved material) can be easily specified.
  • the adhesive label is required to have excellent workability for sticking to the adherend and to prevent unintentional peeling from the adherend, etc. When the adherend is taken out from liquid nitrogen, the attached label may be peeled off from the adherend.
  • An object of the present invention is to provide a pressure-sensitive adhesive label that is excellent in workability at the time of adhering to an adherend and is less likely to be unintentionally peeled off from the adherend when the adherend is taken out from liquid nitrogen. There is.
  • a pressure-sensitive adhesive label used by being immersed in liquid nitrogen in a state of being adhered to the curved surface portion of an adherend, A substrate and an adhesive layer; A pressure-sensitive adhesive label, wherein the substrate has a bending resistance of 0.07 mN or more and 0.30 mN or less measured according to JIS L1096.
  • the material of the adherend is selected from the group consisting of polyethylene, polypropylene, ethylene vinyl acetate copolymer (EVA), ethylene methyl methacrylate copolymer (EMMA), AS resin; ABS resin, propylene carbonate, and glass material.
  • EVA ethylene vinyl acetate copolymer
  • EMMA ethylene methyl methacrylate copolymer
  • AS resin ABS resin
  • propylene carbonate and glass material.
  • the pressure-sensitive adhesive label according to any one of (1) to (11), wherein the pressure-sensitive adhesive is one or more selected.
  • a pressure-sensitive adhesive label that is excellent in workability at the time of sticking to an adherend and is less likely to be unintentionally peeled off from the adherend when the adherend is taken out from liquid nitrogen. be able to.
  • FIG. 1 is a longitudinal sectional view showing a preferred embodiment of the pressure-sensitive adhesive label of the present invention.
  • FIG. 1 is a longitudinal sectional view showing a preferred embodiment of the pressure-sensitive adhesive label of the present invention.
  • the adhesive label 10 is used by being immersed in liquid nitrogen in a state where it is adhered to the curved surface portion of the adherend.
  • the pressure-sensitive adhesive label 10 used in such an environment is required to have completely different characteristics from a pressure-sensitive adhesive label used in, for example, a room-temperature environment, a commercial or household freezer, or a refrigerator. That is, the adhesive label 10 is in contact with nitrogen in a liquid state, unlike an adhesive label that is simply exposed to a gas such as cold air. Further, the boiling point of nitrogen is an extremely low temperature of ⁇ 195.8 ° C., and the temperature difference from room temperature is very large. For this reason, the degree of thermal expansion is large when the adherend with the adhesive label attached is taken out of liquid nitrogen, and frost usually appears when the adherend with the adhesive label attached is taken out of liquid nitrogen. Remarkable adhesion or the like occurs.
  • the pressure-sensitive adhesive label 10 used in the above-described environment is required to have an ability to maintain adhesion to the adherend even when the adherend is taken out from liquid nitrogen.
  • the adhesive label 10 includes a substrate 1 and an adhesive layer 2.
  • the bending resistance of the base material 1 measured according to JIS L1096 is 0.07 mN or more and 0.30 mN or less.
  • the bending resistance of the substrate 1 is less than the lower limit, the ease of handling of the pressure-sensitive adhesive label 10 is drastically reduced, and the pressure-sensitive adhesive label 10 is attached to an adherend (in particular, a test tube). Workability at the time of sticking to the outer peripheral surface of the adherend having a small radius of curvature is remarkably lowered, and unintentional wrinkles and unintentional sticking to other than the intended site are likely to occur.
  • the adhesive label 10 is unintentionally peeled off from the adherend when the adherend to which the adhesive label 10 is adhered is taken out of liquid nitrogen. Is likely to occur.
  • the bending resistance of the base material 1 may be 0.07 mN or more and 0.30 mN or less, more preferably 0.10 mN or more and 0.25 mN or less, and more preferably 0.15 mN or more and 0.22 mN. More preferably, it is as follows. Thereby, the effects as described above are more remarkably exhibited.
  • the bending resistance condition as described above may be satisfied in at least one of the in-plane directions of the substrate 1, but two directions orthogonal to each other in the in-plane direction of the substrate 1 (for example, It is preferable that the average values for the MD direction and the CD direction satisfy the bending resistance conditions as described above.
  • the bending resistance of the substrate 1 is measured according to JIS L1096. More specifically, the bending resistance is measured according to JIS L1096-2010 8.22.1 A method (Gurley method). Using a bending resistance measuring instrument (for example, a measuring instrument manufactured by Yasuda Seiki Seisakusho Co., Ltd.), the weight can be measured with 5 g. The bending resistance of the substrate 1 can also be measured according to TAPPI T543.
  • the influence on the bending resistance of the adhesive label 10 as a whole is dominated by the base material 1, and the influence given by the adhesive layer 2 and the like is usually so small that it can be ignored.
  • the base material 1 may be any material as long as it satisfies the above-mentioned bending resistance condition, and may be, for example, a material made of paper or nonwoven fabric, but is made of a material containing a resin. It is preferable that it is the comprised resin film.
  • the bending resistance of the base material 1 can be adjusted more suitably.
  • the transparency of the base material 1 can be easily increased.
  • the contents of the container as the adherend can be suitably visually confirmed through the adhesive label 10.
  • the resin material constituting the substrate 1 examples include polyesters such as polyethylene terephthalate and polybutylene terephthalate; polyolefins such as polyethylene, polypropylene, ethylene vinyl acetate copolymer (EVA), and ethylene methyl methacrylate copolymer (EMMA); Although vinyl chloride etc. are mentioned, it is preferable that the base material 1 is comprised with the material containing the 1 type (s) or 2 or more types selected from the group which consists of polyester and polyolefin, and is comprised with the material containing a polyethylene terephthalate. More preferably. Thereby, adjustment of the bending resistance of the base material 1 can be performed more suitably.
  • polyesters such as polyethylene terephthalate and polybutylene terephthalate
  • polyolefins such as polyethylene, polypropylene, ethylene vinyl acetate copolymer (EVA), and ethylene methyl methacrylate copolymer (EMMA)
  • EMMA ethylene
  • the base material 1 may contain components other than those described above.
  • examples of such components include plasticizers, colorants, antioxidants, ultraviolet absorbers, light stabilizers, softeners, modifiers, rust inhibitors, fillers, surface lubricants, corrosion inhibitors, and heat resistance.
  • Stabilizers, lubricants, primers, antistatic agents, polymerization inhibitors, crosslinking agents, catalysts, leveling agents, thickeners, dispersants and the like can be mentioned.
  • the base material 1 may have a substantially uniform composition throughout the whole, or may have portions having different compositions.
  • the base material 1 may be a laminate including a plurality of layers having parts having different compositions (including cases where the molecular weights of the resins are different, for example), and the composition is along the thickness direction. You may be comprised with the inclination material which changes in inclination.
  • the substrate 1 may have at least one resin layer and at least one metal layer.
  • the metal layer is suitably deformed, and the entire pressure-sensitive adhesive label 10 is deformed according to the curved surface portion of the adherend. It becomes easy.
  • the adhesive label 10 is maintained in the shape of the curved surface portion of the adherend even after the adherend having the adhesive label 10 attached is taken out of the liquid nitrogen. Can be more suitably suppressed. More specifically, for example, even if partial lifting or peeling occurs on the pressure-sensitive adhesive label 10 attached to the adherend, the pressure-sensitive adhesive label 10 is curved even if no external force is applied even in the vicinity of the portion. Can be suitably maintained.
  • a film (PET film) made of polyethylene terephthalate can be suitably used as the resin layer.
  • the metal layer may be made of a metal material, and examples of the material of the metal layer include aluminum, copper, iron, and an alloy containing at least one of these.
  • resin layers may be provided on both sides of the metal layer.
  • the metal layer may be provided in the both surfaces side of the resin layer, for example.
  • the thickness of the metal layer is not particularly limited, but is preferably 1 ⁇ m or more and 50 ⁇ m or less, more preferably 3 ⁇ m or more and 40 ⁇ m or less, and further preferably 5 ⁇ m or more and 20 ⁇ m or less.
  • the thickness of the metal layer is less than the lower limit value, for example, it may be difficult to deform into a shape corresponding to the curved surface portion of the adherend or to maintain the shape. Moreover, when the thickness of a metal layer exceeds the said upper limit, the ease of handling of the adhesive label 10 will fall.
  • the base material 1 has a several metal layer, it is preferable that the sum total of these thickness satisfies the said conditions.
  • the thickness of the resin layer made of the resin material is T R [ ⁇ m] and the thickness of the metal layer is T M [ ⁇ m]
  • the relationship of 0.05 ⁇ T M / T R ⁇ 1 is satisfied. It is more preferable that the relationship 0.1 ⁇ T M / T R ⁇ 0.8 is satisfied, and it is more preferable that the relationship 0.2 ⁇ T M / T R ⁇ 0.5 is satisfied.
  • the substrate 1 has a plurality of metal layers, as the T M, employing the sum of these thicknesses. Also, if the substrate 1 has a plurality of resin layers, as the T R, adopt a sum of these thicknesses.
  • the resin layer and the metal layer can be suitably bonded by, for example, adhesion. Further, by forming a metal film on the resin layer by a vapor deposition method, the resin layer and the metal layer can be joined without using an adhesive. Further, the resin layer and the metal layer may be joined by fusion.
  • the tensile modulus of the base material 1 is preferably 0.05 GPa or more and 5.0 GPa or less, more preferably 0.10 GPa or more and 4.5 GPa or less, and 0.20 GPa or more and 4.0 GPa or less. Further preferred.
  • the tensile elastic modulus of the substrate 1 can be measured according to ISO 527-1 (similar to JIS K7161-1) and ISO 527-3 (similar to JIS K7127).
  • the tensile elastic modulus was measured using a universal tensile testing machine (for example, Tensilon RTA-T-2M manufactured by Orientec Co., Ltd.) under the condition of a tensile speed of 200 mm / min in an environment of 23 ° C. and humidity of 50%. It can be obtained by measurement.
  • a universal tensile testing machine for example, Tensilon RTA-T-2M manufactured by Orientec Co., Ltd.
  • the conditions of the tensile elasticity modulus as mentioned above about at least 1 direction among the in-plane directions of the base material 1, Two directions (for example, for example) orthogonal to each other among the in-plane directions of the base material 1 It is more preferable that the average values in the MD direction and the CD direction satisfy the tensile modulus conditions as described above.
  • the tensile yield strength of the substrate 1 is preferably 5.0 N / 15 mm or more and 100 N / 15 mm or less, more preferably 10 N / 15 mm or more and 65 N / 15 mm or less, and 15 N / 15 mm or more and 63 N / 15 mm or less. Is more preferable.
  • the tensile yield strength of the substrate 1 can be measured according to ISO 527-1 (similar to JIS K7161-1) and ISO 527-3 (similar to JIS K7127).
  • the tensile yield elongation of the base material 1 is preferably 1.0% or more and 15% or less, more preferably 2.0% or more and 12% or less, and 3.0% or more and 10% or less. Is more preferable.
  • the tensile yield elongation of the substrate 1 can be measured according to ISO 527-1 (similar to JIS K7161-1) and ISO 527-3 (similar to JIS K7127).
  • the tensile strength at break of the substrate 1 is preferably 20 N / 15 mm or more and 200 N / 15 mm or less, more preferably 30 N / 15 mm or more and 160 N / 15 mm or less, and 35 N / 15 mm or more and 140 N / 15 mm or less. Further preferred.
  • the tensile strength at break of the substrate 1 can be measured according to ISO 527-3 (similar to JIS K7127).
  • the tensile breaking elongation of the substrate 1 is preferably 50% or more and 1000% or less, more preferably 70% or more and 800% or less, and further preferably 85% or more and 600% or less.
  • the tensile elongation at break of the substrate 1 can be measured according to ISO 527-1 (similar to JIS K7161-1) and ISO 527-3 (similar to JIS K7127).
  • the conditions of tensile yield strength, tensile yield elongation, tensile breaking strength, and tensile breaking elongation as described above are preferably satisfied in at least one of the in-plane directions of the substrate 1. It is more preferable that the average value in two directions (for example, MD direction and CD direction) orthogonal to each other in the in-plane direction of the material 1 satisfies the above-described conditions.
  • the tensile yield strength, the tensile yield elongation, the tensile breaking strength, and the tensile breaking elongation can be determined by measurement under the conditions of a tensile speed of 200 mm / min in an environment of 23 ° C. and a humidity of 50%.
  • the substrate 1 may be subjected to a surface treatment for improving the adhesion with the pressure-sensitive adhesive layer 2 or the like.
  • Examples of such surface treatment include corona treatment and treatment with a primer.
  • Examples of the primer include acrylic, polyester, and urethane.
  • the thickness of the substrate 1 is not particularly limited, but is preferably 10 ⁇ m or more and 180 ⁇ m or less, more preferably 15 ⁇ m or more and 150 ⁇ m or less, and further preferably 20 ⁇ m or more and 120 ⁇ m or less.
  • the bending resistance of the base material 1 can be adjusted more suitably.
  • the transparency of the base material 1 can be easily increased.
  • the contents of the container as the adherend can be suitably visually confirmed through the adhesive label 10.
  • the thickness of the substrate 1 is preferably 20 ⁇ m or more and 80 ⁇ m or less.
  • the thickness of the substrate 1 is preferably 20 ⁇ m or more and 120 ⁇ m or less.
  • the total light transmittance of the substrate 1 is preferably 50% or more, more preferably 70% or more, and further preferably 90% or more.
  • the total light transmittance can be obtained by measurement according to ISO 13468-1 (similar to JIS K7361-1).
  • the pressure-sensitive adhesive layer 2 is made of a material containing a pressure-sensitive adhesive.
  • Examples of the adhesive constituting the adhesive layer 2 include natural rubber adhesives, synthetic rubber adhesives, acrylic adhesives, urethane adhesives, and silicone adhesives.
  • the synthetic rubber adhesive examples include styrene-butadiene rubber, polyisobutylene rubber, isobutylene-isoprene, styrene-isoprene block copolymer, styrene-butadiene block copolymer, styrene-ethylene-butylene block copolymer, etc. Is mentioned.
  • acrylic pressure-sensitive adhesive examples include copolymers of acrylic acid esters such as butyl acrylate, 2-ethylhexyl acrylate, and methyl acrylate, and monomers having a crosslinkable functional group.
  • silicone pressure-sensitive adhesive examples include dimethylpolysiloxane. These pressure-sensitive adhesives can be used alone or in combination of two or more.
  • the pressure-sensitive adhesive layer 2 may be made of a material containing a pressure-sensitive adhesive, and may contain components other than the pressure-sensitive adhesive.
  • Such components include tackifiers, fillers, softeners, solvents, antioxidants, antioxidants, ultraviolet absorbers, light stabilizers, crosslinking agents, colorants, modifiers, and rust inhibitors. Flame retardants, hydrolysis inhibitors, surface lubricants, corrosion inhibitors, heat stabilizers, lubricants, primers, antistatic agents, polymerization inhibitors, catalysts, leveling agents, thickeners, dispersants, antifoaming agents, etc. Can be mentioned.
  • tackifier examples include rosin resin, terpene phenol resin, terpene resin, aromatic hydrocarbon-modified terpene resin, petroleum resin, coumarone / indene resin, styrene resin, phenol resin, xylene resin and the like.
  • filler examples include zinc white, titanium oxide, silica, calcium carbonate, and barium sulfate.
  • Examples of the softening agent include process oil, liquid rubber, and plasticizer.
  • Examples of the antioxidant include anilide antioxidants, phenolic antioxidants, thioester antioxidants, and the like.
  • the pressure-sensitive adhesive layer 2 is formed by applying a liquid composition (coating liquid) for forming the pressure-sensitive adhesive layer 2 by various coating methods such as roll coating, gravure coating, reverse coating, knife coating, die coating, and bar coating. It can be performed by applying on the material 1.
  • a liquid composition coating liquid
  • various coating methods such as roll coating, gravure coating, reverse coating, knife coating, die coating, and bar coating. It can be performed by applying on the material 1.
  • the adhesive layer 2 can be formed by solidifying the coating film of the coating liquid.
  • the coating liquid may have a composition different from that of the pressure-sensitive adhesive layer 2.
  • the contained solvent may be removed, or the degree of polymerization and the degree of crosslinking may be changed by advancing a curing reaction and a crosslinking reaction.
  • the pressure-sensitive adhesive layer 2 may be once formed on a release liner and then bonded to the base material 1.
  • the thickness of the pressure-sensitive adhesive layer 2 is not particularly limited, but is preferably 5 ⁇ m or more and 100 ⁇ m or less, and more preferably 10 ⁇ m or more and 60 ⁇ m or less.
  • the adhesive strength of the adhesive label 10 to the adherend adheresive strength near room temperature.
  • the adhesive force of the adhesive label 10 to the adherend can be further improved.
  • the thickness of the adhesive label 10 is not particularly limited, but is preferably 25 ⁇ m or more and 280 ⁇ m or less, more preferably 40 ⁇ m or more and 210 ⁇ m or less, and further preferably 45 ⁇ m or more and 140 ⁇ m or less.
  • the total light transmittance (transmittance in the thickness direction) of the pressure-sensitive adhesive label 10 is preferably 40% or more, more preferably 60% or more, and further preferably 80% or more.
  • the adhesive label 10 records information about the adherend (for example, if the adherend is a container, includes information about its contents) (eg, writing, printing, laser printing, etc.) are preferably used.
  • the adherend of the pressure-sensitive adhesive label 10 may be anything as long as it is immersed in liquid nitrogen, but preferably has a bottomed tubular shape (tube shape).
  • the adherend having such a shape is conventionally peeled off from the adherend when the adherend to which the adhesive label is attached is taken out of liquid nitrogen.
  • the radius of curvature (minimum curvature radius) of the part where the adhesive label 10 of the adherend is stuck is preferably 2 mm or more and 15 mm or less, and more preferably 3 mm or more and 8 mm or less.
  • the material of the adherend is not particularly limited.
  • polyolefin such as polyethylene, polypropylene, ethylene vinyl acetate copolymer (EVA), ethylene methyl methacrylate copolymer (EMMA); AS resin; ABS resin; propylene carbonate ( PC) and other glass materials, and various glass materials can be mentioned, and polyethylene and polypropylene are preferable.
  • the adherend composed of such materials was particularly susceptible to the problem that the adhered adhesive label would be peeled off when taken out from liquid nitrogen with the adhesive label being adhered, According to the present invention, even if the adherend is made of such a material, the occurrence of the above problems can be effectively prevented. Therefore, when the adherend is made of the material as described above, the effect of the present invention is more remarkably exhibited.
  • the adherend to which the pressure-sensitive adhesive label 10 is stuck may be used by immersing it in liquid nitrogen at least once with the pressure-sensitive adhesive label 10 being stuck. It is preferable that the operation of immersing and taking out from liquid nitrogen is repeated a plurality of times.
  • the adhesive label may have a configuration other than those described above.
  • at least one intermediate layer for example, a primer layer
  • at least one coat layer for example, a print coat layer or a hard coat layer
  • the present invention will be described in more detail with specific examples, but the present invention is not limited to these examples.
  • the treatment that does not particularly indicate the temperature condition was performed at room temperature (23 ° C.) and a relative humidity of 50%.
  • room temperature 23 ° C.
  • relative humidity 50%.
  • a numerical value in room temperature (23 degreeC) and 50% of relative humidity is a numerical value in room temperature (23 degreeC) and 50% of relative humidity.
  • Example 2 A pressure-sensitive adhesive label was produced in the same manner as in Example 1 except that the conditions of the substrate were changed as shown in Table 1.
  • Example 9 As a substrate, a polyethylene terephthalate first resin layer (thickness 12 ⁇ m), an aluminum metal layer (aluminum foil, thickness 7 ⁇ m) and a polyethylene terephthalate second resin layer (thickness 12 ⁇ m) are arranged in this order.
  • An adhesive label was produced in the same manner as in Example 1 except that the laminated body was used. The resin layer (first resin layer, second resin layer) and the metal layer were joined with an adhesive.
  • Table 1 summarizes the structures of the pressure-sensitive adhesive labels of the respective Examples and Comparative Examples.
  • polyethylene terephthalate is indicated by PET
  • polybutylene terephthalate is indicated by PBT
  • an ethylene methyl methacrylate copolymer is indicated by EMMA
  • polypropylene is indicated by PP.
  • the value of the bending resistance of the base material in the table is in accordance with JIS L1096-2010 8.22.1 A method (Gurley method) for the MD direction and CD direction of the base material used for the production of each adhesive label.
  • the measurement was carried out under the condition of a weight of 5 g using a Gurley type bending resistance measuring instrument (manufactured by Yasuda Seiki Seisakusyo Co., Ltd.).
  • the tensile modulus (Young's modulus) value of the base material in the table is obtained by measurement according to JIS K7161-1 and K7127 for the MD direction and CD direction of the base material used in the production of each adhesive label.
  • the measurement is performed using a universal tensile tester (Orientec, Tensilon RTA-T-2M) under an environment of 23 ° C. and 50% humidity at a tensile rate of 200 mm / min. Performed under conditions.
  • the values of tensile yield strength, tensile yield elongation, tensile rupture strength, and tensile rupture elongation of the base materials in the table are JIS K7161- in the MD direction and CD direction of the base material used for manufacturing each adhesive label. 1 and the average value of the values obtained by the measurement according to K7127.
  • the measurement was performed at 23 ° C. and 50% humidity using a universal tensile tester (Orientec, Tensilon RTA-T-2M). Under the environment, it was performed under the condition of a tensile speed of 200 mm / min.
  • the adherend having the adhesive label attached was taken out from the cryopreservation container and allowed to stand in an environment of room temperature (23 ° C.) for 1 hour.
  • the substrate is again immersed in liquid nitrogen filled in the cryopreservation container, and after 1 hour, the adherend to which the adhesive label is attached from the cryopreservation container is placed in an environment at room temperature (23 ° C.). I took it out.
  • the pressure-sensitive adhesive label of the present invention is a pressure-sensitive adhesive label that is used by being immersed in liquid nitrogen in a state of being adhered to the curved surface portion of an adherend, and includes a base material and a pressure-sensitive adhesive layer, according to JIS L1096.
  • the bending resistance of the base material to be measured is 0.07 mN or more and 0.30 mN or less. Therefore, it is possible to provide a pressure-sensitive adhesive label that is excellent in workability at the time of sticking to an adherend and is less likely to be unintentionally peeled off from the adherend when the adherend is taken out from liquid nitrogen. Therefore, the pressure-sensitive adhesive label of the present invention has industrial applicability.
  • Adhesive label 1 ... Base material 2 . Adhesive layer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Abstract

La présente invention concerne une étiquette adhésive qui est utilisée en collant l'étiquette adhésive à la partie incurvée d'un objet et en la plongeant dans de l'azote liquide, et qui est caractérisée par le fait qu'elle comprend un matériau de base et une couche adhésive ayant une rigidité du matériau de base mesurée selon la norme JIS L1096 comprise entre 0,07 et 0,30 mN, inclus. Le matériau de base est de préférence un film de résine constitué d'un matériau contenant une résine. L'épaisseur du matériau de base est de préférence comprise entre 10 µm et 180 µm inclus. La présente invention peut fournir une étiquette adhésive qui présente une excellente aptitude au façonnage lorsqu'elle est collée à un objet, tout en réduisant au minimum le décollement indésirable de l'objet lorsque, par exemple, l'objet est retiré de l'azote liquide.
PCT/JP2017/046147 2017-02-16 2017-12-22 Étiquette adhésive WO2018150730A1 (fr)

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JP2017-026622 2017-02-16
JP2017026622 2017-02-16

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WO2018150730A1 true WO2018150730A1 (fr) 2018-08-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021161138A (ja) * 2020-03-30 2021-10-11 リンテック株式会社 粘着シート、及び粘着シートの製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4526757Y1 (fr) * 1967-05-09 1970-10-17
JPH11147544A (ja) * 1997-11-13 1999-06-02 Nissho Corp プラスチック容器
US7108909B1 (en) * 2004-11-23 2006-09-19 Diversified Biotech, Inc. Stretchable thermoplastic labels on cryogenic containers
WO2010119311A1 (fr) * 2009-04-16 2010-10-21 Biomed Device S.R.L. Sac pour contenir et congeler des cellules souches
WO2014156744A1 (fr) * 2013-03-28 2014-10-02 リンテック株式会社 Feuille adhésive pour pneumatique, procédé de production d'une feuille adhésive pour pneumatique et procédé d'utilisation d'une feuille adhésive pour pneumatique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4526757Y1 (fr) * 1967-05-09 1970-10-17
JPH11147544A (ja) * 1997-11-13 1999-06-02 Nissho Corp プラスチック容器
US7108909B1 (en) * 2004-11-23 2006-09-19 Diversified Biotech, Inc. Stretchable thermoplastic labels on cryogenic containers
WO2010119311A1 (fr) * 2009-04-16 2010-10-21 Biomed Device S.R.L. Sac pour contenir et congeler des cellules souches
WO2014156744A1 (fr) * 2013-03-28 2014-10-02 リンテック株式会社 Feuille adhésive pour pneumatique, procédé de production d'une feuille adhésive pour pneumatique et procédé d'utilisation d'une feuille adhésive pour pneumatique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021161138A (ja) * 2020-03-30 2021-10-11 リンテック株式会社 粘着シート、及び粘着シートの製造方法
JP7563890B2 (ja) 2020-03-30 2024-10-08 リンテック株式会社 粘着シート、及び粘着シートの製造方法

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