[go: up one dir, main page]

WO2017166116A1 - Ruban adhésif structural et son procédé de fabrication - Google Patents

Ruban adhésif structural et son procédé de fabrication Download PDF

Info

Publication number
WO2017166116A1
WO2017166116A1 PCT/CN2016/077843 CN2016077843W WO2017166116A1 WO 2017166116 A1 WO2017166116 A1 WO 2017166116A1 CN 2016077843 W CN2016077843 W CN 2016077843W WO 2017166116 A1 WO2017166116 A1 WO 2017166116A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
adhesive layer
structural
structural adhesive
adhesive tape
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/077843
Other languages
English (en)
Chinese (zh)
Inventor
戴志芳
龙海
陶兴华
张盛武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
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 Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Priority to PCT/CN2016/077843 priority Critical patent/WO2017166116A1/fr
Publication of WO2017166116A1 publication Critical patent/WO2017166116A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21—Paper; Textile fabrics

Definitions

  • the invention relates to the field of adhesive tape, in particular to a structural adhesive tape and a preparation method thereof.
  • the prior art adhesive tape generally uses a PET substrate and an acrylate-based pressure-sensitive adhesive plus a foaming agent to achieve foaming to peel off from the current collector to reserve a polar ear position on the current collector.
  • an acrylate-based pressure-sensitive adhesive plus a foaming agent to achieve foaming to peel off from the current collector to reserve a polar ear position on the current collector.
  • the foaming agent when the amount of residual solvent in the adhesive is too large (>10%), the foaming agent is completely coated in the adhesive, and even if the foaming agent expands after foaming, it is not effective. Reducing the contact area between the adhesive and the current collector makes the adhesive paper difficult to peel off, and it is impossible to reserve a polar ear position on the current collector.
  • the foaming agent itself generally has a wide particle size distribution (5 ⁇ m to 30 ⁇ m), it is easy to appear two failure modes by mixing and drying in an adhesive.
  • the adhesive layer is too thick, and the expansion and expansion of the foaming agent cannot effectively reduce the contact area between the adhesive and the current collector, resulting in excessive viscosity after foaming, which cannot be peeled off from the empty foil area of the current collector, resulting in Broken belt.
  • the adhesive layer is too thin, and the foaming agent is exposed outside the adhesive, which hinders the contact between the adhesive and the empty foil area of the current collector, resulting in weak viscosity after foaming, due to foaming of the foaming agent.
  • the coating When the coating is not completely dry, when the viscosity of the foaming agent is weak, it is easily brought up by the hot air and sticks to the wet film area. After the wet film is dried, the foaming agent is intensively inserted and cannot be peeled off normally, and the broken band is also caused. .
  • the thickness of the adhesive layer is usually required to be small, the precision of the conventional coating process cannot meet the requirements, and the thickness fluctuation causes a large amount of products to be scrapped.
  • an object of the present invention is to provide a structural adhesive tape and a method for preparing the same, wherein the foaming agent particles in the structural adhesive tape are viscous, and the adhesive of the structural adhesive paper and the object to be bonded
  • the consistency is extremely high, and it is easy to carry out batch production, and solves the problem that the viscosity of the foaming agent in the conventional adhesive paper is severely fluctuated after foaming.
  • Another object of the present invention is to provide a structural adhesive tape and a preparation method thereof, which can improve the utilization rate of the active material of the battery, avoid waste of the active material, and improve the energy density and fast-release performance of the battery. And heat dissipation.
  • the present invention provides a structural adhesive tape comprising: a first adhesive layer for bonding to an object to be bonded and comprising a first adhesive,
  • the surface of the first adhesive layer bonded to the object to be bonded is a first surface;
  • the substrate is located on a side of the structural adhesive tape away from the object to be bonded; and
  • the second adhesive layer is located at the first Between the adhesive layer and the substrate.
  • the second adhesive layer comprises: a second adhesive; and a blowing agent particle distributed on the second adhesive.
  • the surface of the second adhesive away from the substrate is a second surface, and part of the foaming agent particles are exposed on the second surface and embedded in the first adhesive layer, and the cross-sectional area of the partial foaming agent particles along the second surface
  • the sum of the sum is not less than 20% of the area of the second surface, and the sum of the cross-sectional areas of the partial blowing agent particles along the first surface is not more than 15% of the area of the first surface.
  • the invention provides a method for preparing a structural adhesive tape for preparing the structural adhesive tape according to one aspect of the invention, comprising the steps of: stirring a first adhesive and a first solvent; a slurry of the first adhesive layer; a second adhesive, a blowing agent particle and a second solvent are stirred to form a slurry of the second adhesive layer; and the slurry of the second adhesive layer is set On the substrate, heating to a first temperature for drying to remove the second solvent, the first temperature being lower than the foaming temperature of the blowing agent particles and ensuring distribution of the blowing agent particles to the second adhesive, second
  • the surface of the adhesive that is away from the substrate is the second surface and a portion of the blowing agent particles are exposed on the second surface, and the sum of the cross-sectional areas of the partial blowing agent particles along the second surface is not less than 20 of the area of the second surface.
  • the slurry of the first adhesive layer is disposed on the second adhesive layer, heated to a second temperature for drying to remove the first solvent and the remaining second solvent, the second temperature is lower than the hair Foaming temperature of the foaming agent particles, so that the first adhesive layer is bonded after being dried a surface of the first adhesive layer adhered to the object to be bonded is a first surface, the part of the foaming agent particles is embedded in the first adhesive layer, and the part of the foaming agent particles is along The sum of the cross-sectional areas of one surface is not more than 15% of the area of the first surface; heating to the third temperature and maintaining The preparation of the structural adhesive tape is completed by aging the first adhesive layer and the second adhesive layer for a period of time.
  • the structural adhesive tape of the invention has a double-layer adhesive structure, and after the foaming agent particles in the structural adhesive tape are foamed, the adhesiveness of the structural adhesive paper and the object to be bonded is extremely high, and the batch production is easy.
  • the problem that the viscosity of the foaming agent in the conventional adhesive tape is severe after foaming is solved.
  • FIG. 1 is a perspective view of a current collector of a bonded object to which a structural adhesive tape according to the present invention is applied;
  • Figure 2 is a perspective view of a structural adhesive tape adhered to a current collector of a bonded object according to the present invention
  • Figure 3 is a perspective view of a structural adhesive paper coated active material layer in accordance with the present invention.
  • Figure 4 is a perspective view of the structural adhesive tape after peeling according to the present invention.
  • Figure 5 is a perspective view of a structural adhesive tape according to the present invention.
  • Figure 6 is a front view of Figure 5;
  • Figure 7 is an exploded view of Figure 6;
  • FIG. 8A to 8B are schematic views of an embodiment of a prior art adhesive tape, wherein FIG. 8A shows a schematic view of the foaming agent before foaming, and FIG. 8B shows a schematic view of the foaming agent after foaming;
  • FIG. 9A to 9B are schematic views showing another embodiment of the prior art adhesive tape, wherein FIG. 9A shows a schematic view of the foaming agent before foaming, and FIG. 9B shows a schematic view of the foaming agent after foaming;
  • FIGS. 10A to 10B are schematic views showing still another embodiment of the prior art adhesive tape, wherein Fig. 10A shows a schematic view before foaming of the foaming agent, and Fig. 10B shows a schematic view after foaming of the foaming agent.
  • the structural adhesive tape 1 comprises: a first adhesive layer 11 for bonding to the object to be bonded and comprising the first adhesive 111.
  • a surface of the first adhesive layer 11 adhered to the object to be bonded is a first surface 11S; a substrate 12 on a side of the structural adhesive tape 1 away from the object to be bonded; and a second adhesive
  • the layer 13 is located between the first adhesive layer 11 and the substrate 12.
  • the second adhesive layer 13 includes: a second adhesive 131; and a blowing agent particle 132 distributed on the second adhesive 131.
  • the surface of the second adhesive 131 remote from the substrate 12 is the second surface 13S, and a portion of the blowing agent particles 132 are exposed on the second surface 13S and embedded in the first adhesive layer 11, the partial blowing agent particles 132.
  • the sum of the sectional areas along the second surface 13S is not less than 20% of the area of the second surface 13S, and the sum of the sectional areas of the partial blowing agent particles 132 along the first surface 11S is not greater than the area of the first surface 11S. 15%.
  • the blowing agent particles 132 are foamed so that the substrate 12 is curled toward the intermediate portion from the opposite side edges of the width direction W, and the portion is exposed to the foaming of the second surface 13S.
  • the agent particles 132 are foamed so that a portion of the first adhesive layer 11 corresponding to the position thereof is detached from the object to be bonded, and the remaining portion of the first adhesive layer 11 remains adhered to the object to be bonded.
  • the structural adhesive sheet 1 has a double-layer adhesive structure (i.e., the first adhesive layer 11 and the second adhesive layer 13), and the foaming agent particles 132 foam
  • the structural adhesive paper 1 has extremely high viscosity consistency with the object to be bonded, and is easy to be mass-produced, thereby solving the problem that the viscosity of the foaming agent in the conventional adhesive paper is severely fluctuated after foaming.
  • the total sectional area of the partial blowing agent particles 132 along the second surface 13S is not less than 50% of the area of the second surface 13S.
  • the total of the cross-sectional areas of the partial blowing agent particles 132 along the first surface 11S is zero. It is ensured that in the case where the blowing agent particles 132 are not foamed, the first adhesive layer 11 of the structural adhesive paper 1 is firmly bonded to the object to be bonded, and when the blowing agent particles 132 are foamed, the portion The blowing agent particles 132 exposed to the second surface 13S (i.e., the blowing agent particles located in the first adhesive layer 11) are foamed to break through the first adhesive layer 11, so that the first adhesive layer 11 One part (corresponding to the portion containing the blowing agent particles 132) is separated from the object to be bonded, and the other portion is kept from being bonded to the object to be bonded without being separated.
  • the materials of the first adhesive 111 and the second adhesive 131 may be the same or different.
  • the first adhesive 111 may be selected from one or more of an acrylate type adhesive and a urethane adhesive.
  • the second adhesive 131 may be selected from one or more of an acrylate type adhesive and a urethane adhesive.
  • the acrylate type adhesive may preferably be 2-methylethyl acrylate (EBN).
  • the first adhesive 111 and the second adhesive are different.
  • the adhesion between the first adhesive layer 11 and the object to be bonded is less than that of the first adhesive layer 11 and the second adhesive layer 13 and the second adhesive layer 13 and the substrate 12.
  • the first adhesive 111 may be selected from one or more of an acrylate type adhesive and a urethane adhesive.
  • the second adhesive 131 may be selected from one or more of an acrylate type adhesive and a urethane adhesive.
  • the acrylate type adhesive may preferably be 2-methylethyl acrylate (EBN).
  • the thickness of the first adhesive layer 11 is from 1 ⁇ m to 10 ⁇ m, preferably, the thickness of the first adhesive layer 11 is from 2 ⁇ m to 6 ⁇ m, further preferably The thickness of the first adhesive layer 11 is 3 ⁇ m to 4 ⁇ m.
  • the particle size of the blowing agent particles 132 is from 5 ⁇ m to 30 ⁇ m.
  • the blowing agent particles 132 are physical blowing agents and/or chemical blowing agents.
  • the physical foaming agent is an alkane long-chain series foaming agent.
  • the physical foaming agent is selected from the group consisting of isopentane foaming agent, isobutane foaming agent and cyclopentane foaming agent. Species Or several.
  • the chemical blowing agent is selected from the group consisting of azodicarbonamide (AC), azobisisobutyronitrile (AIBN), N,N-dinitrosopentamethylenetetramine (DPT), 4,4'- One or more of oxybisbenzenesulfonylhydrazide (OBSH) and p-toluenesulfonylhydrazide (TSH).
  • AC azodicarbonamide
  • AIBN azobisisobutyronitrile
  • DPT N,N-dinitrosopentamethylenetetramine
  • OBSH oxybisbenzenesulfonylhydrazide
  • TSH p-toluenesulfonylhydrazide
  • the substrate 12 is selected from polyethylene terephthalate (PET).
  • a curing agent is further included in the first adhesive layer 11 and/or the second adhesive layer 13.
  • the curing agent in the first adhesive layer 11 may be the same as or different from the curing agent in the second adhesive layer 13.
  • the curing agent is a room temperature curing agent.
  • the curing agent is selected from one or more of an aliphatic polyamine, an alicyclic polyamine, a low molecular polyamide, a modified aromatic amine, and an isocyanate.
  • the thickness of the second adhesive layer 11 is from 30 ⁇ m to 50 ⁇ m.
  • the substrate 12 has a thickness of 15 ⁇ m to 36 ⁇ m.
  • the object to be bonded is the current collector 2, and before the active material layer 3 is applied on the current collector 2, the structural adhesive paper 1 is applied.
  • the first adhesive layer 11 is adhered to the reserved region 21 of the current collector 2 forming the tabs.
  • the active material layer 3 is coated on the current collector 2, the active material layer 3 is dried and dried. Thereafter, the structural adhesive tape 1 is peeled off to form a reserved area 21 of the tab.
  • the method for preparing the structural adhesive paper 1 according to the second aspect of the present invention for preparing the structural adhesive paper 1 according to the first aspect of the present invention, comprising the steps of: stirring the first adhesive 111 and the first solvent; a slurry of the first adhesive layer 11; a slurry of the second adhesive 131, the blowing agent particles 132 and the second solvent to form a second adhesive layer 13; and a second adhesive layer 13
  • the slurry is disposed on the substrate 12, heated to a first temperature for drying to remove the second solvent, the first temperature being lower than the foaming temperature of the blowing agent particles 132 and ensuring that the blowing agent particles 132 are distributed
  • the second adhesive 131, the surface of the second adhesive 131 away from the substrate 12 is the second surface 13S and the partial foaming agent particles 132 are exposed on the second surface 13S and embedded in the first adhesive layer 11, the portion The sum of the cross-sectional areas of the blowing agent particles 132 along the second surface 13S is not less than 20% of the area of the second surface 13S
  • the partial blowing agent particles 132 are embedded in the first adhesive layer 11 and the total cross-sectional area of the partial blowing agent particles 132 along the first surface 11S is not more than 15% of the area of the first surface 11S; heating to the third The temperature is maintained for a while to mature the first adhesive layer 11 and the second adhesive layer 13, completing the preparation of the structural adhesive paper 1.
  • the first temperature is from 75 ° C to 85 ° C.
  • the residual amount of the second solvent accounts for the slurry of the second adhesive layer 13.
  • the ratio of total weight is less than 5%.
  • the second temperature is from 75 ° C to 85 ° C.
  • the third temperature is from 20 ° C to 50 ° C.
  • the slurry of the second adhesive layer 13 is disposed in a manner that is not limited, and may be conventional blade coating, extrusion coating, spraying, Gravure printing, etc.
  • the slurry of the first adhesive layer 11 is disposed in a manner that is not limited, and may be conventional blade coating, extrusion coating, spray coating, Gravure printing or the like is preferably gravure printing in order to precisely control the thickness of the first adhesive layer 11.
  • the EBN and toluene were stirred at a temperature of 40 rpm to 60 rpm to prepare a slurry of the first adhesive layer at room temperature, and the stirring time was 30 min.
  • the blowing agent cyclopentane (foaming temperature is 120 ° C ⁇ 130 ° C) using 150 mesh
  • the sieve was filtered, and then the slurry of the second adhesive layer was stirred with EBN and ethyl acetate at a rotation speed of 40 rpm to 60 rpm, and the stirring time was 30 minutes.
  • the slurry of the second adhesive layer was set on PET (thickness: 19 ⁇ m) by a common blade coating method, and the coating thickness was controlled to be 50 ⁇ m to form a first roll, which was heated to an oven temperature of 75 ° C, first.
  • the roll speed control is 10m/min ⁇ 12m/min
  • the baking time is 2min to remove ethyl acetate
  • the cyclopentane is distributed on the EBN
  • part of the cyclopentane is exposed on the second surface of the second adhesive layer ( Referring to 13S) in Fig. 6, the sum of the cross-sectional areas of the partial cyclopentane along the second surface is not less than 20% of the area of the second surface.
  • the slurry of the first adhesive layer is set on the first roll by gravure coating, and the coating thickness is controlled to be 5 ⁇ m to form a second roll, which is heated to an oven temperature of 75 ° C, and the first material is taken away.
  • the speed control is 20 m/min, and the baking time is 1 min to remove toluene and residual ethyl acetate.
  • the cyclopentane exposed on the second surface is embedded in the first adhesive layer and is not exposed on the first surface (refer to FIG. 6). 11S).
  • the mixture was heated to 45 ° C for aging, and the aging time was 60 h to complete the preparation of the structural adhesive tape.
  • the EBN and toluene were stirred at a temperature of 40 rpm to 60 rpm to prepare a slurry of the first adhesive layer at room temperature, and the stirring time was 30 min.
  • blowing agent cyclopentane (foaming temperature is 120 ° C ⁇ 130 ° C) is filtered through a 150 mesh sieve, and then stirred with polyurethane and ethyl acetate at 40 rpm to 60 rpm to prepare a second adhesive. The slurry of the layer was stirred for 30 min.
  • the slurry of the second adhesive layer was set on PET (thickness: 19 ⁇ m) by a common blade coating method, and the coating thickness was controlled to be 50 ⁇ m to form a first roll, which was heated to an oven temperature of 75 ° C, first.
  • the roll speed control is 10m/min ⁇ 12m/min
  • the baking time is 2min to remove ethyl acetate
  • the cyclopentane is distributed on the EBN
  • part of the cyclopentane is exposed on the second surface of the second adhesive layer ( Referring to 13S) in Fig. 6, the sum of the cross-sectional areas of the partial cyclopentane along the second surface is not less than 20% of the area of the second surface.
  • the slurry of the first adhesive layer is set on the first roll by gravure coating, and the coating thickness is controlled to be 5 ⁇ m to form a second roll, which is heated to an oven temperature of 75 ° C, and the first material is taken away.
  • Speed control is 20m/min
  • baking time is 1min to remove toluene and residual ethyl acetate, the above is exposed
  • the cyclopentane of the second surface is embedded in the first adhesive layer and exposed on the first surface (refer to 11S in FIG. 6), and the sum of the cross-sectional areas controlling the cyclopentane along the first surface is not greater than the area of the first surface. 15%.
  • the mixture was heated to 45 ° C for aging, and the aging time was 60 h to complete the preparation of the structural adhesive tape.
  • the blowing agent cyclopentane (foaming temperature is 120 ° C ⁇ 130 ° C) is filtered through a 150 mesh sieve, and then stirred with EBN and toluene at a speed of 40 rpm to 60 rpm to prepare a slurry of the adhesive layer.
  • the stirring time is 30 min.
  • the slurry of the adhesive layer was set on PET (thickness: 19 ⁇ m) by a common blade coating method, and the coating thickness was controlled to be 50 ⁇ m to form a roll, which was heated to an oven temperature of 75 ° C, and the roll speed control was controlled. 10 m / min ⁇ 12 m / min, baking time 2 min to remove toluene.
  • the structural adhesive sheets of Examples 1-2 and Comparative Example 1 were bonded to a current collector, baked in an oven at 125 ° C for 20 s to foam cyclopentane, and then the structural adhesive paper was collected from the current collector using a high iron tensile machine. Peel off, test the peel force between the structural adhesive tape and the current collector.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Abstract

La présente invention concerne un ruban adhésif structural, le ruban adhésif structural comprenant : une première couche adhésive destinée à adhérer à un objet collé et comprenant un premier adhésif, la surface de la première couche adhésive adhérant à l'objet collé étant une première surface ; un substrat disposé du côté du ruban adhésif structural le plus éloigné de l'objet collé ; et une seconde couche adhésive disposée entre la première couche adhésive et le substrat. La seconde couche adhésive comprend un second adhésif et des particules de mousse réparties dans le second adhésif, et la surface du second adhésif la plus éloignée du substrat étant une seconde surface. Une partie des particules de mousse s'étend depuis la seconde surface dans la première couche adhésive, la section transversale totale de la partie des particules le long de la seconde surface représentant au moins 20 % de la surface de la seconde surface, et la section transversale totale de la partie des particules le long de la première surface représentant au plus 15 % de la surface de la première surface. Le ruban adhésif structural selon la présente invention résout le problème des rubans adhésifs classiques liés aux variations importantes d'adhésivité après activation des particules de mousse.
PCT/CN2016/077843 2016-03-30 2016-03-30 Ruban adhésif structural et son procédé de fabrication Ceased WO2017166116A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/077843 WO2017166116A1 (fr) 2016-03-30 2016-03-30 Ruban adhésif structural et son procédé de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/077843 WO2017166116A1 (fr) 2016-03-30 2016-03-30 Ruban adhésif structural et son procédé de fabrication

Publications (1)

Publication Number Publication Date
WO2017166116A1 true WO2017166116A1 (fr) 2017-10-05

Family

ID=59962330

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/077843 Ceased WO2017166116A1 (fr) 2016-03-30 2016-03-30 Ruban adhésif structural et son procédé de fabrication

Country Status (1)

Country Link
WO (1) WO2017166116A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1451707A (zh) * 2002-04-16 2003-10-29 日东电工株式会社 电子元件用的可热剥离的压敏粘合剂片材、加工电子元件的方法和电子元件
CN101126001A (zh) * 2006-08-14 2008-02-20 日东电工株式会社 粘合片、其制备方法、以及切割多层陶瓷片材的方法
JP2012033636A (ja) * 2010-07-29 2012-02-16 Nitto Denko Corp 加熱剥離シート一体型半導体裏面用フィルム、半導体素子の回収方法、及び半導体装置の製造方法
CN204939378U (zh) * 2015-08-03 2016-01-06 宁德新能源科技有限公司 结构胶纸

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1451707A (zh) * 2002-04-16 2003-10-29 日东电工株式会社 电子元件用的可热剥离的压敏粘合剂片材、加工电子元件的方法和电子元件
CN101126001A (zh) * 2006-08-14 2008-02-20 日东电工株式会社 粘合片、其制备方法、以及切割多层陶瓷片材的方法
JP2012033636A (ja) * 2010-07-29 2012-02-16 Nitto Denko Corp 加熱剥離シート一体型半導体裏面用フィルム、半導体素子の回収方法、及び半導体装置の製造方法
CN204939378U (zh) * 2015-08-03 2016-01-06 宁德新能源科技有限公司 结构胶纸

Similar Documents

Publication Publication Date Title
CN107304333B (zh) 结构胶纸及其制备方法
CN105742565A (zh) 一种锂离子电池极片及其制备方法
CN204939378U (zh) 结构胶纸
WO2018081941A1 (fr) Ruban adhésif structural, procédé de préparation associé et procédé de réservation d'espace de languette dans une plaque d'électrode
CN107286855B (zh) 结构胶纸及其制备方法
CN106566428A (zh) 加热膨胀失粘型压敏胶粘带及其制作方法
CN106207068B (zh) 埋极耳式极片的制备方法
JP6884141B2 (ja) 被着体積層物の製造方法
JPH01301240A (ja) 自己接着性シート状構造物
WO2018072137A1 (fr) Papier adhésif structural et procédé de préparation associé
WO2018072161A1 (fr) Bande adhésive sensible à la pression amovible thermiquement expansible et son procédé de fabrication
CN112608690B (zh) 胶纸及应用所述胶纸的锂离子电池极片的制备方法
WO2017166116A1 (fr) Ruban adhésif structural et son procédé de fabrication
CN107446514B (zh) 结构胶纸及其制备方法
WO2018000132A1 (fr) Ruban adhésif structural
WO2017091965A1 (fr) Ruban adhésif structural
CN112500809B (zh) 胶纸及应用所述胶纸的锂离子电池极片的制备方法
JP4270800B2 (ja) 粘着シートの製造方法
JP3758746B2 (ja) 剥離シート、それを用いた粘着製品及びその製造方法
CN110819243A (zh) 一种易于制备的热减粘胶带及其制备方法
CN214361132U (zh) 胶纸
JP4401091B2 (ja) 粘着シート及びその製造方法
CN112500810B (zh) 胶纸及应用所述胶纸的锂离子电池极片的制备方法
JP4984603B2 (ja) 粘着テープの製造方法
JP2000169800A (ja) 両面粘着シートの製造方法

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16895897

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 16895897

Country of ref document: EP

Kind code of ref document: A1