WO2019065881A1 - Ruban adhésif, rouleau de ruban adhésif et procédé de production de ruban adhésif - Google Patents

Ruban adhésif, rouleau de ruban adhésif et procédé de production de ruban adhésif Download PDF

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Publication number
WO2019065881A1
WO2019065881A1 PCT/JP2018/036045 JP2018036045W WO2019065881A1 WO 2019065881 A1 WO2019065881 A1 WO 2019065881A1 JP 2018036045 W JP2018036045 W JP 2018036045W WO 2019065881 A1 WO2019065881 A1 WO 2019065881A1
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WO
WIPO (PCT)
Prior art keywords
tape
adhesive tape
adhesive
adhesive layer
lead portion
Prior art date
Application number
PCT/JP2018/036045
Other languages
English (en)
Japanese (ja)
Inventor
立澤　貴
直 工藤
智樹 森尻
友美子 大當
達也 熊田
泰夫 前原
貞治 小菅
Original Assignee
日立化成株式会社
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 日立化成株式会社 filed Critical 日立化成株式会社
Priority to JP2019545626A priority Critical patent/JP7180606B2/ja
Priority to CN201880062239.8A priority patent/CN111133069B/zh
Priority to KR1020207009453A priority patent/KR102534610B1/ko
Publication of WO2019065881A1 publication Critical patent/WO2019065881A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/28—Arrangements for positively securing ends of material
    • B65H75/285—Holding devices to prevent the wound material from unwinding
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/511—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning
    • B65H2301/5113—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning applying adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape
    • 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
    • C09J2301/312—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 parameters being the characterizing feature

Definitions

  • the present disclosure relates to an adhesive tape, an adhesive tape winding reel, and a method of manufacturing the adhesive tape.
  • an adhesive tape is used to connect members to be connected having a large number of electrodes.
  • An example of such adhesive tape is anisotropic conductive tape.
  • anisotropic conductive tape when used, for example, when connecting a semiconductor element such as an IC or LSI to a substrate such as a printed wiring board, a glass substrate for LCD, a flexible printed substrate, etc. The insulation between the electrodes can be maintained.
  • the adhesive tape is formed, for example, by forming an adhesive layer containing an adhesive component containing a thermosetting resin and conductive particles optionally blended, on a substrate such as polyethylene terephthalate film (PET). .
  • PET polyethylene terephthalate film
  • the adhesive tape is manufactured by slitting a sheet-like raw material into a long strip with a width according to the application, and is stored, transported, and used in the state of a wound body wound around a reel (for example, patent document 1).
  • the present disclosure has been made to solve the above problems, and it is an object of the present disclosure to provide a narrow adhesive tape, an adhesive tape wound reel, and a method of manufacturing the adhesive tape that can simplify the manufacturing process.
  • An adhesive tape according to one aspect of the present disclosure is an adhesive tape provided with a first adhesive layer on one side of a first separator, wherein the lead portion of the adhesive tape has at least a tip side of the lead portion.
  • a pickup tape having a thickness of 10 ⁇ m to 30 ⁇ m which terminates at the same position as the lead portion is provided so that the adhesive layer 1 is not exposed.
  • a pickup tape having a thickness of 10 ⁇ m to 30 ⁇ m is provided at the lead portion.
  • the thickness of the pickup tape By setting the thickness of the pickup tape within the above range, the thickness of the pickup tape relative to the width of the adhesive tape can be made relatively small. Therefore, the adhesive tape can be cut in a narrow width by slitting in a state where the pickup tape is attached, and the manufacturing process can be simplified.
  • the first adhesive layer is not exposed on the tip end side of the lead portion, even when the lead portion is fixed to the reel or the like, when the lead portion is removed from the reel or the like during use, It is possible to prevent peeling from the first separator.
  • the pickup tape has a second adhesive layer on one side of the second separator, and is fixed to the lead portion so that the second adhesive layer and the first adhesive layer on the adhesive tape side face each other. May be Thereby, the pickup tape can be firmly fixed to the adhesive tape.
  • the pickup tape has a third adhesive layer on the other surface side of the second separator, and an exposed region where the second separator is exposed from the third adhesive layer is provided on the terminal end side of the lead portion. It may be In this case, the lead portion can be fixed to the reel or the like by the third adhesive layer without using a separate seal. Further, by providing the exposed area on the end side of the lead portion, the lead portion can be easily removed from the reel or the like at the time of use.
  • the pickup tape has a fourth adhesive layer on the other side of the second separator, and is fixed to the lead portion by sticking the second separator to the first adhesive layer on the adhesive tape side, An exposed area where the second separator is exposed from the fourth adhesive layer may be provided at the end of the lead portion.
  • the lead portion can be fixed to the reel or the like by the fourth adhesive layer without using a separate seal.
  • the lead portion can be easily removed from the reel or the like when using the adhesive tape.
  • the overall thickness of the lead portion including the pickup tape can be suppressed. Therefore, slit processing in a state where the pickup tape is attached can be implemented more reliably.
  • the pickup tape may be configured by only the second separator, and may be fixed to the lead portion by attaching the second separator to the first adhesive layer on the adhesive tape side. In this case, the entire thickness of the lead portion including the pickup tape can be further suppressed. Therefore, slit processing in a state where the pickup tape is attached can be performed more reliably.
  • the adhesive layer on the pickup tape side may be colored in a color different from that of the first adhesive layer. Thereby, the visibility and the identifiability of the pickup tape can be enhanced. Therefore, the workability can be improved such as when the lead portion is cut when using the adhesive tape.
  • the width orthogonal to the longitudinal direction of the adhesive tape may be 0.8 mm or less.
  • the width of the adhesive tape is 0.8 mm or less, it becomes difficult to slit the lead portion of the adhesive tape in the state where the conventional lead tape is attached. Therefore, when the width of the adhesive tape is 0.8 mm or less, the application of the above-described pickup tape is particularly useful.
  • an adhesive tape winding reel includes a core on which the adhesive tape is wound, and a pair of side plates facing each other with the core interposed therebetween, and the adhesive drawn from the core.
  • the lead portion of the tape is fixed to the outer surface side of the side plate.
  • a pickup tape having a thickness of 10 ⁇ m to 30 ⁇ m is provided at the lead portion of the adhesive tape.
  • the thickness of the pickup tape By setting the thickness of the pickup tape within the above range, the thickness of the pickup tape relative to the width of the adhesive tape can be made relatively small. Therefore, the adhesive tape can be cut in a narrow width by slitting in a state where the pickup tape is attached, and the manufacturing process can be simplified. Further, since the first adhesive layer is not exposed at the leading end side of the lead portion, it is possible to prevent the first adhesive layer from peeling off from the first separator when the lead portion is removed from the reel at the time of use.
  • a method of manufacturing an adhesive tape is a method of manufacturing an adhesive tape in which a first adhesive layer is provided on one surface side of a first separator, and the adhesive tape is fed out from a raw fabric.
  • the slit adhesive tape is slit in the longitudinal direction and cut into a plurality of adhesive tapes, and the adhesive tapes with the pickup tape are cut in the width direction to terminate the lead portion, and then the adhesive tapes are cut. Roll each reel.
  • a pickup tape having a thickness of 10 ⁇ m to 30 ⁇ m is applied to the lead portion.
  • the thickness of the pickup tape By setting the thickness of the pickup tape within the above range, the thickness of the pickup tape relative to the width of the adhesive tape can be made relatively small. Therefore, the adhesive tape can be cut in a narrow width by slitting in a state where the pickup tape is attached, and the manufacturing process can be simplified.
  • the first adhesive layer is not exposed on the tip side of the lead portion in the produced adhesive tape, even when the lead portion is fixed to the reel or the like, when the lead portion is removed from the reel or the like at the time of use The first adhesive layer can be prevented from peeling off from the first separator.
  • the manufacturing process of a narrow adhesive tape can be simplified.
  • FIG. 5 is a side view of an embodiment of an adhesive tape winding reel. It is a typical sectional view showing one embodiment of an adhesive tape. It is a schematic diagram which shows one Embodiment of the manufacturing method of an adhesive tape. It is a schematic cross section which shows the modification of an adhesive tape. It is a typical sectional view showing other modifications of an adhesive tape. It is a typical sectional view showing other modifications of an adhesive tape.
  • FIG. 1 is a side view showing an embodiment of an adhesive tape winding reel.
  • the adhesive tape winding reel 1 includes a core 2 around which the adhesive tape 11 is wound, and a pair of side plates 3 and 3 facing each other with the core 2 interposed therebetween.
  • the adhesive tape winding reel 1 is a reel used for production, supply, and storage of the adhesive tape 11, and has an effect of preventing the winding collapse of the adhesive tape 11 wound around the winding core 2 by the pair of side plates 3, 3. doing.
  • the core 2 is a portion around which the adhesive tape 11 is wound.
  • the winding core 2 is made of, for example, plastic, and has an annular shape with the same thickness as the width of the adhesive tape 11.
  • the adhesive tape 11 is wound around the core 2 so that the adhesive layer 13 (see FIG. 2) of the adhesive tape 11 faces the inner side (winding core 2 side).
  • a shaft hole (not shown) into which the shaft is inserted is attachable.
  • the adhesive tape winding reel 1 is rotated without idling by driving the rotary shaft with the rotary shaft of the winding device or the feeding device inserted in the shaft hole.
  • the side plate 3 is made of, for example, the same plastic as the winding core 2 and has a disk shape.
  • the thickness of the side plate 3 is, for example, 0.5 mm to 5.0 mm, preferably 0.9 mm to 3.0 mm, and more preferably 1.0 mm to 2.0 mm.
  • the diameter of the side plate 3 is appropriately set so as to be a sufficiently large diameter with respect to the diameter of the winding core 2 in accordance with the length of the adhesive tape T wound around the winding core 2.
  • a circular opening communicating with the hollow portion 2 a of the winding core 2 is provided in order to enable the above-mentioned arrangement of the shaft holes.
  • the inner surface of the side plate 3 is provided with a plurality of ribs 4 radially extending from the center side to the peripheral side of the adhesive tape winding reel 1.
  • 16 linear ribs 4 are provided with a phase angle of 22.5 °.
  • the rib 4 has, for example, an arc-like cross-sectional shape, and protrudes from the inner surface of the side plate 3 in a range of, for example, about 0.05 mm to 1.00 mm.
  • Such arrangement of the ribs 4 suppresses the winding collapse of the adhesive tape 11 wound around the winding core 2, and peeling of the adhesive layer 13 (see FIG. 2) of the adhesive tape 11 due to a collision with the side plate 3 (blocking phenomenon) Effects such as suppression of
  • FIG. 2 is a schematic cross-sectional view showing an embodiment of the adhesive tape.
  • the adhesive tape 11 has a two-layer structure of a separator (first separator) 12 and an adhesive layer (first adhesive layer) 13 formed on the side 12 a of the separator 12.
  • the adhesive tape 11 exemplifies an anisotropic conductive tape used to connect the members to be connected.
  • An anisotropic conductive tape is an adhesive tape used when connecting semiconductor elements, such as IC and LSI, etc. to various substrates, such as a printed wiring board, a glass substrate for LCDs, and a flexible printed substrate, for example.
  • An anisotropically conductive tape can maintain the insulation state of adjacent electrodes, while electrically connecting opposing electrodes.
  • the length of the adhesive tape 11 is, for example, 10 m or more and 1000 m or less. In this embodiment, it is 300 m, for example.
  • the adhesive tape 11 is stored and transported in a wound state by using the adhesive tape winding reel 1 described above.
  • the width of the adhesive tape 11 is, for example, 0.8 mm or less, preferably 0.6 mm or less.
  • the thickness of the adhesive tape 11 (the total thickness of the separator 12 and the adhesive layer 13) is, for example, 5 ⁇ m or more and 100 ⁇ m or less, preferably 10 ⁇ m or more and 40 ⁇ m or less, more preferably 10 ⁇ m or more and 20 ⁇ m or less.
  • the material of the separator 12 is, for example, oriented polypropylene (OPP), polyethylene terephthalate (PET), polyethylene naphthalate, polyethylene isophthalate, polybutylene terephthalate, polyolefin, from the viewpoint of strength of the adhesive tape 11 and releasability of the adhesive layer 13.
  • OPP oriented polypropylene
  • PET polyethylene terephthalate
  • PET polyethylene naphthalate
  • polyethylene isophthalate polyethylene isophthalate
  • polybutylene terephthalate polyolefin
  • Polyacetate, polycarbonate, polyphenylene sulfide, polyamide, ethylene / vinyl acetate copolymer, polyvinyl chloride, polyvinylidene chloride, synthetic rubbers, liquid crystal polymers and the like can be used.
  • a release process may be performed on the other surface 12 b side of the separator 12.
  • a release agent which performs release treatment for example, olefin type release agent, ethylene glycol montanic acid ester, carnauba wax, low melting point wax such as petroleum wax, low molecular weight fluorine resin, silicone type or fluorine type surfactant, Oil, wax, resin, silicone resin such as polyester modified silicone resin can be used. In general, silicone resins are used.
  • an adhesive containing a resin such as a thermoplastic resin, a thermosetting resin, or a mixed system (mixed resin) of a thermoplastic resin and a thermosetting resin can be used.
  • a resin such as a thermoplastic resin, a thermosetting resin, or a mixed system (mixed resin) of a thermoplastic resin and a thermosetting resin
  • a typical thermoplastic resin a styrene resin type and a polyester resin type are mentioned, for example.
  • a typical thermosetting resin an epoxy resin type, an acrylic resin type, and a silicone resin type are mentioned, for example.
  • the adhesive layer 13 may be configured to include an adhesive component and, optionally, conductive particles.
  • the adhesive component for example, a material which exhibits curability by heat or light can be widely applied, and since it is excellent in heat resistance and moisture resistance after connection, it is preferable to use a crosslinkable material.
  • An epoxy-based adhesive containing an epoxy resin which is a thermosetting resin as a main component is preferable because it can be cured for a short time, has good connection workability, and is excellent in adhesiveness in molecular structure.
  • epoxy adhesive for example, high molecular weight epoxy, solid epoxy or liquid epoxy, or epoxy epoxy resin modified by these with urethane, polyester, acrylic rubber, nitrile rubber (NBR), synthetic linear polyamide or the like as a main component It can be used.
  • the epoxy-based adhesive is generally formed by adding a curing agent, a catalyst, a coupling agent, a filler and the like to the above-mentioned epoxy as the main component.
  • the conductive particles include particles of metals such as Au, Ag, Pt, Ni, Cu, W, Sb, Sn, solder, or carbon.
  • coated particles may be used in which nonconductive glass, ceramic, plastic or the like is used as a core and the core is coated with the above metal or carbon.
  • the average particle diameter of the conductive particles is preferably, for example, 1 ⁇ m or more and 18 ⁇ m or less from the viewpoint of dispersibility and conductivity.
  • a pickup tape 21 is provided on a lead portion L of the adhesive tape 11 (a lead-out portion from the adhesive tape winding reel 1). As shown in FIG. 1, the pickup tape 21 is pulled out from between the side plates 3 and 3 in a state where the adhesive tape 11 is wound around the adhesive tape winding reel 1 and fixed to the outer surface of one side plate 3 by a seal S. . When the adhesive tape 11 is used, after peeling off the seal S, the pickup tape 21 can be gripped and the adhesive tape 11 can be pulled out from the adhesive tape winding reel 1.
  • the seal S is not particularly limited, and a general seal can be used. When using the adhesive tape 11, the lead portion L may be cut together with the pickup tape 21.
  • the pickup tape 21 has a two-layer structure including a separator (second separator) 22 and an adhesive layer (second adhesive layer) 23 formed on one surface 22 a side of the separator 12. There is.
  • the pickup tape 21 is attached to the lead portion L so that the adhesive layer 23 and the adhesive layer 13 on the adhesive tape 11 side face each other. Further, the end position F2 of the pickup tape 21 coincides with the end position F1 of the lead portion L of the adhesive tape 11. Thereby, in the lead portion L of the adhesive tape 11, the adhesive layer 13 is sandwiched between the separator 12 and the pickup tape 21 so that the adhesive layer 13 is not exposed to the outside.
  • the length of the pickup tape 21 is a length corresponding to the lead portion L of the adhesive tape 11, and is, for example, 30 mm or more and 300 mm or less.
  • the width of the pickup tape 21 is, for example, 0.8 mm or less, preferably 0.6 mm or less, and is equal to the width of the adhesive tape 11.
  • the thickness of the pickup tape 21 (the total thickness of the separator 12 and the adhesive layer 13) is, for example, 10 ⁇ m or more and 30 ⁇ m or less, preferably 10 ⁇ m or more and 20 ⁇ m or less. When the thickness of the pickup tape 21 is less than 10 ⁇ m, it is conceivable that the pickup tape 21 curls at the time of affixing to the adhesive tape 11 and air bubbles are generated between the adhesive layers 13 and 23.
  • the thickness of the pickup tape 21 exceeds 30 ⁇ m, it becomes difficult to cut the pickup tape 21 to the same width as the adhesive tape 11. Therefore, if it is the range of the said thickness, cutting of the pickup tape 21 can be implemented easily, suppressing generation
  • the material of the separator 22 is, for example, oriented polypropylene (OPP), polyethylene terephthalate (PET), polyethylene naphthalate, polyethylene isophthalate, polybutylene terephthalate, polyolefin, polyacetate, polycarbonate, polyphenylene Sulfide, polyamide, ethylene / vinyl acetate copolymer, polyvinyl chloride, polyvinylidene chloride, synthetic rubbers, liquid crystal polymers, etc. can be used.
  • OPP oriented polypropylene
  • PET polyethylene terephthalate
  • PET polyethylene naphthalate
  • polyethylene isophthalate polybutylene terephthalate
  • polyolefin polyacetate
  • polycarbonate polyphenylene Sulfide
  • polyamide ethylene / vinyl acetate copolymer
  • polyvinyl chloride polyvinylidene chloride
  • synthetic rubbers liquid crystal polymers, etc.
  • a silicone pressure sensitive adhesive or an acrylic pressure sensitive adhesive can be used as a material of the adhesive layer 23.
  • an acrylic adhesive as the material of the adhesive layer 23.
  • the adhesive layer 23 is preferably colored in a color different from that of the adhesive layer 13 on the adhesive tape 11 side, from the viewpoint of improving the visibility and identification of the pickup tape 21.
  • the color of the adhesive layers 13 and 23 is not particularly limited, but as an example, the color of the adhesive layer 13 on the adhesive tape 11 side can be colorless and transparent, and the color of the adhesive layer 23 on the pickup tape 21 side can be blue.
  • white PET is used for the separator 12
  • the color of the separator 22 and the adhesive layer 23 of the pickup tape 21 can be made black because of the contrast.
  • FIG. 3 is a schematic view showing an embodiment of a method of producing an adhesive tape.
  • a manufacturing apparatus 101 is used to manufacture the adhesive tape 11.
  • the manufacturing apparatus 101 performs slit processing of the adhesive tape 11 with the feeding device 102 around which the raw fabric P of the adhesive tape 11 is wound, the winding device 103 with the plurality of adhesive tape winding reels 1 rotatably mounted thereon, and A processing apparatus 104 is provided.
  • the adhesive tape 11 is fed from the raw fabric P at a constant speed from the feeding device 102.
  • a large-sized pickup tape 21 having a thickness equal to or greater than 10 ⁇ m and equal to or less than 30 ⁇ m, which is equal to the width of the original fabric P, is attached at a predetermined length.
  • the adhesive layer 23 of the pickup tape 21 is made to face the adhesive layer 13 of the adhesive tape 11.
  • the adhesive layer 13 of the adhesive tape 11 is not exposed to the outside at the portion where the pickup tape 21 is attached.
  • the adhesive tape 11 is sent to the processing device 104. Then, the adhesive tape 11 to which the pickup tape 21 is attached is slit in the longitudinal direction and cut into a plurality of adhesive tapes 11 having a width of 0.8 mm or less. After slitting the adhesive tape 11, a plurality of adhesive tapes 11 are cut in the width direction together with the pickup tape 21 to terminate the lead portion L (line AA in FIG. 3). As a result, the end position F1 of the lead portion L of the adhesive tape 11 and the end position F2 of the pickup tape 21 coincide with each other.
  • the plurality of adhesive tapes 11 with the pickup tape 21 attached thereto are wound around the core 2 of the adhesive tape winding reel 1 by the winding device 103. Then, the lead portion L is pulled out from between the side plates 3 and 3 of the adhesive tape winding reel 1 and fixed to the outer surface of one side plate 3 by a seal S. Thereby, as shown in FIG. 1, the adhesive tape 11 wound around the adhesive tape winding reel 1 is obtained.
  • the pickup tape 21 having a thickness of 10 ⁇ m to 30 ⁇ m is provided in the lead portion L.
  • the thickness of the pickup tape 21 By setting the thickness of the pickup tape 21 in the above range, the thickness of the pickup tape 21 relative to the width of the adhesive tape 11 can be made relatively small. Therefore, the adhesive tape 11 can be cut in a narrow width by slitting in a state where the pickup tape 21 is attached, and the manufacturing process can be simplified.
  • the adhesive layer 13 is not exposed at the leading end side of the lead portion L, even when the lead portion L is fixed to the adhesive tape winding reel 1, the lead portion L is detached from the adhesive tape winding reel 1 during use. At times, the adhesive layer 13 can be prevented from peeling off from the separator 12.
  • the pickup tape 21 has the adhesive layer 23 on one surface 22 a side of the separator 22 and is fixed to the lead portion L such that the adhesive layer 23 and the adhesive layer 13 on the adhesive tape 11 face each other. ing. Thereby, the pickup tape 21 can be firmly fixed to the adhesive tape 11.
  • the adhesive layer 23 on the side of the pickup tape 21 is colored in a color different from that of the adhesive layer 13 on the side of the adhesive tape 11. Thereby, the visibility and the identifiability of the pickup tape 21 can be enhanced. Therefore, the workability in the case where the lead portion L is cut when using the adhesive tape 11 can be improved.
  • the width orthogonal to the longitudinal direction of the adhesive tape 11 is 0.8 mm or less.
  • the upper blade and the lower blade are lapped to cut the adhesive tape 11, but when the slit width becomes narrow, the clearance between the upper blade and the lower blade is also narrow. Become. For this reason, when the thickness of the object to be cut becomes relatively larger than the width, it becomes difficult to pass the blade through the object to be cut.
  • the upper blade can be made thin by adapting to a certain degree, but there is a limit to the thinning of the upper blade due to the problem such as the abradability of the blade.
  • the width of the adhesive tape is 0.8 mm or less, it is difficult to slit the lead portion of the adhesive tape in the state where the conventional lead tape is attached. Therefore, when the width of the adhesive tape 11 is 0.8 mm or less as in the present embodiment, it is particularly useful to apply the pickup tape 21 having a thickness of 10 ⁇ m to 30 ⁇ m to the lead portion L.
  • FIG. 4 is a schematic cross-sectional view showing a modified example of the adhesive tape.
  • the configuration of the pickup tape 41 provided in the lead portion L is different from that of the above embodiment.
  • the pickup tape 41 includes a separator (second separator) 22, an adhesive layer (second adhesive layer) 23 formed on one surface 22 a of the separator 22, and the other surface 22 b of the separator 22.
  • a three-layer structure is formed by the adhesive layer (third adhesive layer) 43 formed.
  • the thickness of the pickup tape 41 (the total thickness of the separator 22, the adhesive layer 23, and the adhesive layer 43) is, for example, 10 ⁇ m or more and 30 ⁇ m or less, preferably 10 ⁇ m or more and 20 ⁇ m or less.
  • the adhesive layer 43 is made of, for example, the same material as the adhesive layer 23. Similar to the adhesive layer 23, the adhesive layer 43 may be colored in a color different from that of the adhesive layer 13 on the adhesive tape 31 side.
  • the end position F2 of the pickup tape 41 coincides with the end position F1 of the lead portion L of the adhesive tape 31, but on the end side of the lead portion L, the other surface 22b of the separator 22 is an adhesive layer
  • An exposed area R exposed from 13 is provided.
  • the length of the exposure area R from the end position F2 is, for example, 5 mm or more and less than 30 mm.
  • the adhesive tape 31 can be cut in a narrow width by slitting in a state where the pickup tape 41 is attached, and the manufacturing process can be simplified.
  • the adhesive layer 13 is not exposed at the leading end side of the lead portion L, even when the lead portion L is fixed to the adhesive tape winding reel 1, the lead portion L is detached from the adhesive tape winding reel 1 during use. At times, the adhesive layer 13 can be prevented from peeling off from the separator 12.
  • the lead portion L can be fixed to the adhesive tape winding reel 1 by the adhesive layer 43 without separately using the seal S (see FIG. 1). Further, by providing the exposed region R on the end side of the lead portion L, the exposed region R becomes a grip when peeling the lead portion L from the adhesive tape winding reel 1 and the lead portion L is wound with the adhesive tape winding in use. It can be easily removed from 1.
  • FIG. 5 is a schematic cross-sectional view showing another modified example of the adhesive tape.
  • the configuration of the pickup tape 61 provided in the lead portion L is further different from that of the above embodiment.
  • the pickup tape 61 has a two-layer structure of a separator (second separator) 22 and an adhesive layer (fourth adhesive layer) 63 formed on the other surface 22 b side of the separator 22. .
  • the pickup tape 61 is fixed to the adhesive tape 51 by directly sticking the one surface 22 a side of the separator 22 to the adhesive layer 13 on the adhesive tape 51 side.
  • the thickness of the pickup tape 61 (the total thickness of the separator 22 and the adhesive layer 63) is, for example, 10 ⁇ m or more and 30 ⁇ m or less, preferably 10 ⁇ m or more and 20 ⁇ m or less.
  • the adhesive layer 63 has, for example, the same configuration as the adhesive layer 23. That is, the adhesive layer 63 is made of the same material as the adhesive layer 23.
  • the adhesive layer 63 is colored in a color different from that of the adhesive layer 13 on the adhesive tape 51 side.
  • the end position F2 of the pickup tape 61 coincides with the end position F1 of the lead portion L of the adhesive tape 51, but on the end side of the lead portion L, the other surface 22b of the separator 22 is exposed from the adhesive layer 63
  • An area R is provided.
  • the length of the exposure area R from the end position F2 is, for example, 5 mm or more and less than 30 mm.
  • the lead portion L can be fixed to the adhesive tape winding reel 1 by the adhesive layer 63 without separately using the seal S (see FIG. 1). Further, by providing the exposed region R on the end side of the lead portion L, the exposed region R becomes a grip when peeling the lead portion L from the adhesive tape winding reel 1 and the lead portion L is wound with the adhesive tape winding in use. It can be easily removed from 1. Furthermore, in the adhesive tape 51, by not providing the adhesive layer on the side of the surface 22 a of the separator 22 in the pickup tape 61, the entire thickness of the lead portion L including the pickup tape 61 can be suppressed. Therefore, slit processing in a state where the pickup tape 61 is attached can be implemented more reliably.
  • FIG. 6 is a schematic cross-sectional view showing another modified example of the adhesive tape.
  • the configuration of the pickup tape 81 provided in the lead portion L is further different from that of the above embodiment.
  • the pickup tape 81 has a single-layer configuration of only the separator (second separator) 22.
  • the pickup tape 81 is fixed to the adhesive tape 71 by directly adhering the one surface 22 a side of the separator 22 to the adhesive layer 13 on the adhesive tape 71 side.
  • the seal S may be used as in the case of FIG.
  • the thickness of the pickup tape 81 (the thickness of the separator 22) is, for example, 10 ⁇ m or more and 30 ⁇ m or less, preferably 10 ⁇ m or more and 20 ⁇ m or less.
  • an adhesive tape 71 it is possible to cut the adhesive tape 71 in a narrow width by slitting in a state where the pickup tape 81 is stuck, and the manufacturing process can be simplified.
  • the adhesive layer 13 is not exposed at the leading end side of the lead portion L, even when the lead portion L is fixed to the adhesive tape winding reel 1, the lead portion L is detached from the adhesive tape winding reel 1 during use. At times, the adhesive layer 13 can be prevented from peeling off from the separator 12.
  • the adhesive tape 71 since the pickup tape 81 has a single-layer structure of only the separator 22, the overall thickness of the lead portion L including the pickup tape 81 can be further suppressed. Therefore, slit processing in a state where the pickup tape 81 is attached can be implemented more reliably.

Abstract

L'invention concerne un ruban adhésif (11) comprenant un séparateur (12) et une couche adhésive (13) disposée sur une surface (12a) de celui-ci, le ruban adhésif (11) comprenant une partie avant L, dans laquelle une bande de ramassage (21) se terminant au niveau de la même position que la partie avant L et ayant une épaisseur de 10 à 30 µm a été disposée de telle sorte qu'au moins l'extrémité de la couche adhésive (13) n'est pas exposée.
PCT/JP2018/036045 2017-09-29 2018-09-27 Ruban adhésif, rouleau de ruban adhésif et procédé de production de ruban adhésif WO2019065881A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019545626A JP7180606B2 (ja) 2017-09-29 2018-09-27 接着テープ及び接着テープ巻回リール
CN201880062239.8A CN111133069B (zh) 2017-09-29 2018-09-27 粘接带、粘接带卷绕卷筒和粘接带的制造方法
KR1020207009453A KR102534610B1 (ko) 2017-09-29 2018-09-27 접착 테이프, 접착 테이프 권회 릴, 및 접착 테이프의 제조 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017190298 2017-09-29
JP2017-190298 2017-09-29

Publications (1)

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WO2019065881A1 true WO2019065881A1 (fr) 2019-04-04

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JP (1) JP7180606B2 (fr)
KR (1) KR102534610B1 (fr)
CN (1) CN111133069B (fr)
TW (1) TWI774850B (fr)
WO (1) WO2019065881A1 (fr)

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JP2001279198A (ja) * 2000-01-28 2001-10-10 Nitto Denko Hoso System Kk 感圧性接着テープ
JP2001270649A (ja) * 2000-03-27 2001-10-02 Kamoi Kakoshi Kk 粘着テープの末端処理方法及びその処理装置
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JPWO2019065881A1 (ja) 2020-10-22
CN111133069A (zh) 2020-05-08
TWI774850B (zh) 2022-08-21
TW201919872A (zh) 2019-06-01
KR20200062212A (ko) 2020-06-03
KR102534610B1 (ko) 2023-05-19
JP7180606B2 (ja) 2022-11-30
CN111133069B (zh) 2023-01-10

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