WO1999067768A1 - Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette - Google Patents

Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette Download PDF

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Publication number
WO1999067768A1
WO1999067768A1 PCT/JP1998/002878 JP9802878W WO9967768A1 WO 1999067768 A1 WO1999067768 A1 WO 1999067768A1 JP 9802878 W JP9802878 W JP 9802878W WO 9967768 A1 WO9967768 A1 WO 9967768A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
label
sensitive adhesive
resin layer
adhesive label
Prior art date
Application number
PCT/JP1998/002878
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Hata
Masakazu Hirayama
Original Assignee
Fuji Seal, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Seal, Inc. filed Critical Fuji Seal, Inc.
Priority to EP98929716A priority Critical patent/EP1124214A1/fr
Priority to PCT/JP1998/002878 priority patent/WO1999067768A1/fr
Publication of WO1999067768A1 publication Critical patent/WO1999067768A1/fr

Links

Classifications

    • 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
    • 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
    • G09F3/04—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion

Definitions

  • the present invention relates to a heat-sensitive adhesive label to be attached to an article and a method for mounting the label, and particularly to a heat-sensitive adhesive label having excellent adhesiveness and a method for mounting the label.
  • a heat-adhesive resin layer is provided on one side of a label substrate made of a synthetic resin film. Heat-sensitive adhesive labels are used.
  • Such a heat-sensitive adhesive label does not produce adhesiveness unless the heat-adhesive resin layer is heated, and therefore does not require expensive release paper that is usually used for adhesive labels (tack labels). Since there is no need to peel off the release paper, there is an advantage that it is superior to adhesive labels in terms of material cost and sticking workability.
  • the both sides of the label are made of metal. Wrap around the outer surface of the dry battery main body so as to protrude from both ends of the formed dry battery main body, stick both ends of the heat-sensitive adhesive label to each other so as to overlap each other, and then apply the high temperature again. Heat-shrinks the label itself by heating, and attaches the heat-sensitive adhesive label to the dry battery main body by attaching both sides of the label protruding from both ends of the dry battery main body to the both end surfaces of the dry battery main body.
  • the heat-adhesive resin layer of the label not only has sufficient adhesive force to the metal surface of the dry cell body, but also sufficient adhesive force at the overlapping portion of the labels.
  • the label may be inconvenienced when the end of the label that is superimposed on the label is turned up when the label itself is heated or shrunk or when a dry battery is used. It is necessary to secure an adhesive force to the labels so that the labels are firmly adhered to each other.
  • the conventional heat-sensitive adhesive label it is not possible to secure a sufficient adhesive strength to the heat-adhesive resin layer only by heating the heat-adhesive resin layer at a low temperature. If the heating temperature is increased, the printed layer formed on the surface of the label substrate is damaged and the appearance becomes poor, or if the label substrate is a synthetic resin film having heat shrinkage as described above. However, there is a problem when the label base material shrinks during activation of the heat-adhesive resin layer to cause distortion or wrinkles.
  • the heating temperature at the time of activating the heat-adhesive resin layer is increased, the energy supplied to the heating means, such as a heater, is increased, and the running cost of the label mounting device is increased. is there.
  • an object of the present invention is to provide a heat-sensitive adhesive label which can secure a sufficient adhesive force even when the heat-adhesive resin layer is heated at a low temperature, and a method for mounting the label. Disclosure of the invention
  • the present invention provides a thermosensitive adhesive label having a thermoadhesive resin layer formed on a label substrate, wherein the thermoadhesive resin layer is subjected to corona discharge treatment.
  • the heat-sensitive adhesive label configured as described above, the heat-adhesive resin layer formed on one side of the label substrate is subjected to corona discharge treatment.
  • the heat-adhesive resin layer formed on one side of the label substrate is subjected to corona discharge treatment.
  • the running cost of the label mounting device can be reduced.
  • the heat-adhesive resin layer is formed of an ethylene acrylic acid copolymer, an ethylene methacrylic acid copolymer, an ethylene acrylate copolymer or an ethylene methacrylate copolymer.
  • the adhesive strength of the heat-adhesive resin layer during low-temperature heating can be further increased.
  • the heat-adhesive resin layer can be activated at a low temperature.
  • the difference between the heating temperature at the time of heat shrinking and the activation temperature of the thermo-adhesive resin layer can be made large. Distortion due to shrinkage can be suppressed.
  • the heat-adhesive resin layer is heated. Activating the heat-adhesive resin layer to attach the heat-sensitive adhesive label to an article to be mounted may be performed, for example, by storing a long heat-sensitive adhesive label in a rolled state. In addition, there is no inconvenience of causing blocking due to surface contact between the labels, and there is an effect that handling of the heat-sensitive adhesive label becomes easy.
  • the heat-sensitive adhesive label having the heat-adhesive resin layer activated is applied to the entire circumference of the article to be mounted. It is preferable that the heat-sensitive adhesive label is wound on the object to be mounted such that both ends of the heat-sensitive adhesive label overlap each other.
  • the label base is formed of a heat-shrinkable synthetic resin film
  • the heat-adhesive resin layer is formed of ethylene acrylic acid.
  • the heat-sensitive adhesive label activated by heating the heat-adhesive resin layer is heated. And wound around the outer peripheral surface of the dry battery main body so as to protrude from both ends of the dry battery main body formed at the same time, and affixed to the dry battery main body such that both end portions of the heat-sensitive adhesive label overlap each other. . Then, the heat-sensitive adhesive label attached to the dry battery main body is heated again to thermally shrink the relabel base material, and both sides of the heat-sensitive adhesive label protruding from both ends of the dry battery main body are removed. When the thermosensitive adhesive label is brought into close contact with both end surfaces of the dry battery main body, the thermosensitive adhesive label can be securely attached to the dry battery main body.
  • FIG. 1 is a sectional view showing a preferred embodiment of a heat-sensitive adhesive label according to the present invention
  • FIG. 2 is a sectional view showing another preferred embodiment of the heat-sensitive adhesive label
  • the heat-sensitive adhesive label 1 is a label for the exterior of a dry battery, and is formed of a heat-shrinkable polyester film (for example, a polyethylene terephthalate film).
  • Label substrate 11, a primer layer 12 and a printed layer 13 sequentially laminated on one surface side of the label substrate 11, and a metal sequentially laminated on the other surface side of the label substrate 11 It is composed of a vapor deposition layer 14, an anchor coat layer 15 and a thermo-adhesive resin layer 16.
  • the label base material 1 has a thickness of 30 / im to 60 ⁇ m, and has a heat shrinkage of 1% or less at 70 ° C. and 20% or more at 130 ° C.
  • the label substrate 11 of the battery exterior label when the thickness is in the range of 20 / m to 100 Wm, the shrinkage in the circumferential direction of the dry battery is 20% or more, and the heat shrinkage is 70 °. There is no particular problem if C is within 3%.
  • the label substrate 11 is preferably formed of a polyester film (polyethylene terephthalate film).
  • the label substrate 11 may be formed of a polyvinyl chloride or polyolefin-based film.
  • the printing layer 13 is formed by printing various display designs or the like using an ultraviolet curable ink having better heat resistance than a normal solvent drying ink. UV curable varnish is coated for protection and gloss.
  • the UV-curable ink includes oligomers such as epoxy acrylate, urethane acrylate, and polyester acrylate, and polyesters containing a colorant such as a UV polymerization initiator and a pigment, a dispersant, and an additive. It is a mixture of monomers, specifically, “Best Cure I” by Toka Shigaku Chemical Co., Ltd., “UVACE” by Inku Kuboi Co., Ltd., and “CP—UV” by Matsuikagaku Co., Ltd. And the like.
  • the primer layer 12 is provided for improving the adhesiveness of the printing layer 13 to the label substrate 11, and is not necessarily provided.
  • the metal-deposited layer 14 is formed by vacuum-depositing aluminum on the other side of the label substrate 11 and has a thickness of 200 to 800 A. .
  • the metal deposition layer 14 is not limited to aluminum, and may be, for example, nickel or tin vacuum-deposited.
  • the heat-adhesive resin layer 16 is formed by melt-extruding an ethylene acrylic acid copolymer or an ethylene methacrylic acid copolymer onto the anchor coat layer 15 on the other side of the label base material 11.
  • the heat-adhesive resin layer 16 is subjected to a corona discharge treatment in order to improve the adhesiveness.
  • the thus formed heat-adhesive resin layer 16 has excellent adhesiveness to metal and the printed layer 13 and has a preferable property as a heat-adhesive resin layer of an exterior label of a dry battery. ing.
  • ethylene copolymer which significantly improves adhesion by corona discharge treatment.
  • ethylene methacrylic acid copolymer ethylene ethyl acrylate, ethylene 2-ethyl ester Suitable are ethylene acrylate copolymers such as hexyl and ethylene methacrylate copolymers such as ethylene ethyl methacrylate.
  • ionomer resins and ethylene vinyl acetate copolymers may also be used.
  • the heat-adhesive resin layer 16 may be a layer obtained by mixing these resins and appropriately adding a tackifier, a stabilizer, a modifier, and the like. Further, as a method of forming the heat-adhesive resin layer 16, in order to efficiently form the heat-adhesive resin layer 16 in a relatively thick and uniform thickness, the above-described melt extrusion coating is used. Desirably, the resin may be applied in a solution state.
  • the anchor coat layer 5 is provided for improving the adhesiveness of the heat-adhesive resin layer 16 to the metal vapor-deposited layer 14 and is not necessarily provided.
  • thermosensitive adhesive label 1 since the thermoadhesive resin layer 16 is subjected to corona discharge treatment, when the thermoadhesive resin layer 16 is activated, it is heated at a low temperature. Also, the same adhesive strength as that of the conventional product is ensured. In addition, by heating at a high temperature as in the case of the conventional product in which the corona discharge treatment is not performed on the thermoadhesive resin layer, it is possible to obtain an adhesive strength higher than that of the conventional product.
  • the difference between the heating temperature when the label base material 11 is thermally shrunk and the activation temperature of the heat-adhesive resin layer 16 can be made large, the activation step of the heat-adhesive resin layer 16 can be increased. The distortion due to shrinkage of the label substrate 1 can be suppressed.
  • the label mounting apparatus 30 includes a label forming section A, a label activation processing section B, a label mounting processing section C, and a heat shrink processing section D.
  • the label mounting device 30 continuously performs a series of operations from the formation of the heat-sensitive adhesive label 1 to the mounting on the dry cell main body X.
  • a long label-forming base material 1 having the same configuration as the heat-sensitive adhesive label 1 except that the heat-adhesive resin layer 16 is not subjected to the corona discharge treatment.
  • the heat-sensitive adhesive label 1 is formed by cutting into a predetermined length by the cutting blade 33 a of 33.
  • the width of the label-forming substrate 1a is set to be slightly longer than the length of the dry cell body X to be mounted.
  • the base material roll 31 is wound around the label-forming base material 1 a that has not been subjected to the corona discharge treatment on the heat-adhesive resin layer 16.
  • the heat-adhesive resin layer 16 of the label-forming substrate 1a has no adhesiveness at all, and blocking does not occur because the label-forming substrates 1a come into face contact with each other.
  • the heat-sensitive adhesive label 1 formed in the label forming section A is adhered to the outer peripheral surface of the rotating drum 34 with the print layer 13 side thereof being adsorbed.
  • the heat-adhesive resin layer 16 is activated by heating the heat-adhesive resin layer 16 by the heating device 35, and then the heat-sensitive adhesive label ⁇ is transferred to the label mounting section C. Transport.
  • the heating temperature of the heat-adhesive resin layer of the normal heat-sensitive adhesive label (70 to 6) Only at a temperature lower than 65 ° C.
  • the dry battery main body X is sequentially supplied to the mounting drum 38 of the label mounting processing section C by the transport conveyor 36 and the transfer drum 37, the mounting drum 38 and the mounting guide 39 are used.
  • the heat-sensitive adhesive label 1 is wound around the outer peripheral surface of the supplied dry battery main body X, and the heat-sensitive adhesive label 1 is attached to the outer peripheral surface of the dry battery main body X so that both ends thereof are overlapped with each other. .
  • both sides in the width direction of the heat-sensitive adhesive label 1 slightly protrude from both ends of the dry battery main body X.
  • the dry battery main body X to which the heat-sensitive adhesive label 1 has been attached in this manner is transported to the heat shrink processing section D by the transport drum 40 and the transport conveyor 40.
  • a heating device 42 is installed in the heat shrinking treatment section D so as to cover the transport conveyor 41, and the heat-sensitive adhesive attached to the dry cell main body X by the heating device 42 is provided. Since the label 1 is heated to about 130 ° C., the label substrate ⁇ 1 undergoes heat shrinkage, and both sides of the heat-sensitive adhesive label 1 protruding from both ends of the dry battery main body X are covered with the dry battery main body X. Adhere to both end faces.
  • a heating belt 43 is provided in the heating device 42.
  • the heating belt 43 causes the dry battery body X to roll while the outer peripheral surface is heated and pressed, so that the heat bonding property is improved.
  • the resin layer 16 is activated again, and the heat-sensitive adhesive label 1 is firmly adhered to the outer peripheral surface of the battery cell X, and the overlapping portion of the heat-sensitive adhesive label 1 is also firmly adhered to the heat-sensitive adhesive label.
  • 1 is a battery that is securely installed.
  • the label-forming substrate 1a is subjected to a corona discharge treatment. It can also be considered as a long heat-sensitive adhesive label that has not been treated.
  • FIG. 2 shows another embodiment of the heat-sensitive adhesive label. Since the above-mentioned heat-sensitive adhesive label 1 is a label for the exterior of a dry battery, it is provided with a metal-deposited layer 14 and a printed layer 13 on which various display designs are printed using an ultraviolet curable ink, but other than the dry battery.
  • Fig. 2 shows labels for attaching to products such as metal cans such as beverage cans, food cans, and paint cans, and synthetic resin containers formed of polyesters for beverages, foods, cosmetics, etc. The configuration shown in FIG.
  • the heat-sensitive adhesive label 2 is composed of a label substrate 21 having substantially no heat shrinkage and formed of a biaxially stretched polyester film such as polyethylene terephthalate. It is composed of a printing layer 22 and a heat-adhesive resin layer 23 sequentially formed on one side of the substrate 21, and the heat-adhesive resin layer 23 is formed by heat of the heat-sensitive adhesive label.
  • a ethylene acrylic acid copolymer or an ethylene methacrylic acid copolymer is formed by melt extrusion coating to a thickness of about 5> um to 30 Discharge treatment is applied.
  • the label substrate 21 may be formed of a plastic film such as polypropylene or polyvinyl chloride in addition to the polyester film, and the printing layer 22 may be formed by gravure printing or the like. It can be formed using a known printing technique. Further, synthetic paper, paper or the like may be used as the label base material 21, and the print layer 22 may be formed on the surface side.
  • the label is attached to the article.
  • the activation temperature of the heat-adhesive resin layer 23 be lower than before, but also the bonding strength of the label itself can be increased as compared with the conventional case.
  • the heat-sensitive adhesive label 2 does not have heat shrinkability, it goes without saying that a heat shrinking step at the time of mounting on a product is unnecessary.
  • the heat-sensitive adhesive label and the method of mounting the label according to the present invention are useful when the label is wound around the columnar or tubular article to be mounted and mounted, and particularly, the surface is formed of metal. It is suitable as an external label for a dried battery and its mounting method.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

L'invention porte sur une étiquette adhésive thermosensible et sur un procédé de fixation de cette étiquette capable de conserver une force d'adhésion suffisante même lorsqu'une couche de résine thermo-adhésive est chauffée à basses températures. L'étiquette adhésive thermosensible comprend une base formée dans un film polyester par thermorétractabilité, une couche de base et une couche d'impression laminées successivement sur une surface de la base de l'étiquette, et une couche de métallisation par évaporation sous vide, une couche de revêtement d'ancrage et une couche de résine thermo-adhésive laminées successivement sur l'autre surface de la base de l'étiquette. Au cours du processus de fixation de l'étiquette, la couche de résine thermo-adhésive est soumise à une décharge coronaire et chauffée pour activer la couche, l'étiquette adhésive thermosensible étant ainsi fixée à un corps cellulaire sec, l'objet de fixation de l'étiquette.
PCT/JP1998/002878 1998-06-25 1998-06-25 Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette WO1999067768A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP98929716A EP1124214A1 (fr) 1998-06-25 1998-06-25 Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette
PCT/JP1998/002878 WO1999067768A1 (fr) 1998-06-25 1998-06-25 Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/002878 WO1999067768A1 (fr) 1998-06-25 1998-06-25 Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette

Publications (1)

Publication Number Publication Date
WO1999067768A1 true WO1999067768A1 (fr) 1999-12-29

Family

ID=14208505

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/002878 WO1999067768A1 (fr) 1998-06-25 1998-06-25 Etiquette adhesive thermosensible, procede de fixation de cette etiquette, et cellule seche fixee a l'etiquette

Country Status (2)

Country Link
EP (1) EP1124214A1 (fr)
WO (1) WO1999067768A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9221573B2 (en) 2010-01-28 2015-12-29 Avery Dennison Corporation Label applicator belt system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8282754B2 (en) 2007-04-05 2012-10-09 Avery Dennison Corporation Pressure sensitive shrink label
CN106564668A (zh) 2007-04-05 2017-04-19 艾利丹尼森公司 压敏收缩标签

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109834A (ja) * 1983-11-18 1985-06-15 グンゼ株式会社 プリントラミ用フイルム
JPH0967799A (ja) * 1995-08-28 1997-03-11 Cosmo Kasei Kk 熱接着可能な障子紙
JPH09237614A (ja) * 1996-02-29 1997-09-09 Matsushita Electric Ind Co Ltd ラベル外装電池

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109834A (ja) * 1983-11-18 1985-06-15 グンゼ株式会社 プリントラミ用フイルム
JPH0967799A (ja) * 1995-08-28 1997-03-11 Cosmo Kasei Kk 熱接着可能な障子紙
JPH09237614A (ja) * 1996-02-29 1997-09-09 Matsushita Electric Ind Co Ltd ラベル外装電池

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9221573B2 (en) 2010-01-28 2015-12-29 Avery Dennison Corporation Label applicator belt system
US9637264B2 (en) 2010-01-28 2017-05-02 Avery Dennison Corporation Label applicator belt system

Also Published As

Publication number Publication date
EP1124214A1 (fr) 2001-08-16

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