WO2013118933A1 - Bande adhésive double face pour écran tactile ayant une résistance aux chocs supérieure - Google Patents

Bande adhésive double face pour écran tactile ayant une résistance aux chocs supérieure Download PDF

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Publication number
WO2013118933A1
WO2013118933A1 PCT/KR2012/001349 KR2012001349W WO2013118933A1 WO 2013118933 A1 WO2013118933 A1 WO 2013118933A1 KR 2012001349 W KR2012001349 W KR 2012001349W WO 2013118933 A1 WO2013118933 A1 WO 2013118933A1
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Prior art keywords
double
sided tape
touch screen
screen panel
impact resistance
Prior art date
Application number
PCT/KR2012/001349
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English (en)
Korean (ko)
Inventor
김광원
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(주)앤디포스
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Publication of WO2013118933A1 publication Critical patent/WO2013118933A1/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
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/255—Polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/26—Porous or cellular plastics
    • 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
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385—Acrylic polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • 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
    • C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided 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
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • 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
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/24—Presence of a foam
    • C09J2400/243—Presence of a foam in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C09J2433/006—Presence of (meth)acrylic polymer in the substrate
    • 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
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to a double-sided tape for a touch screen panel having excellent impact resistance, and more particularly, is located between the touch screen panel module and the liquid crystal module to firmly bond the touch screen panel module and the liquid crystal module, and excellent heat resistance and impact resistance. It relates to a double-sided tape for a touch screen panel excellent in impact resistance.
  • the present invention relates to a double-sided tape for a touch screen panel having excellent impact resistance, and more particularly, is located between the touch screen panel module and the liquid crystal module to firmly bond the touch screen panel module and the liquid crystal module, and excellent heat resistance and impact resistance. It relates to a double-sided tape for a touch screen panel excellent in impact resistance.
  • the screen of the touch screen has become larger in size, and in order to manufacture a wide touch screen, the thickness of the frame formed on the edge of the touch screen is gradually manufactured to be thin.
  • the double-sided tape used in the past is mainly manufactured by using a polyester film as a single base material.
  • the double-sided tape has a problem in that the adhesive force, heat resistance, and impact resistance are not suitable for the touch screen of which the screen portion of the window is enlarged in recent years. .
  • the thickness of the double-sided tape should be formed to 200 to 250 micrometers, and as described above, a double-sided tape having a thickness of 200 micrometers or more may be manufactured.
  • the acrylic copolymer adhesive is coated with a thick thickness of 70 microns or more in the conventional manner, residues occur due to the flow phenomenon of the adhesive (steaming phenomenon), and there is a problem of contaminating the touch screen panel module set and the liquid crystal module set.
  • An object of the present invention is to provide a double-sided tape for a touch screen panel having excellent impact resistance, which is excellent in adhesion and exhibits excellent adhesion even in a state where the ground area with the touch screen panel module and the liquid crystal module is narrow.
  • Another object of the present invention is to provide a double-sided tape for a touch screen panel having an excellent impact resistance, the acrylic foam foam coating layer is formed, and improved heat resistance and reworkability.
  • An object of the present invention is a substrate layer formed by forming an acrylic foam foam coating layer on the upper surface of the polyester film, an adhesive layer formed on the upper and lower surfaces of the substrate layer and a release layer formed on the outer surface of the adhesive layer It is achieved by providing a double-sided tape for a touch screen panel excellent in impact resistance.
  • the base layer is to be made of a thickness of 110 to 155 micrometers.
  • the acrylic foam foam coating layer is to be made of an acrylic binder in which a black pigment and an acrylonitrile foam having a particle size of 20 to 40 micrometers.
  • the pressure-sensitive adhesive layer is made of an acrylic pressure-sensitive adhesive.
  • the pressure-sensitive adhesive layer is made of a thickness of 50 to 70 micrometers.
  • the double-sided tape for a touch screen panel having excellent impact resistance according to the present invention exhibits excellent adhesion even in a state where the ground area with the touch screen panel module and the liquid crystal module is narrow.
  • the acrylic foam foam coating layer is formed to show excellent impact resistance, and excellent effect of heat resistance and reworkability.
  • FIG. 1 is an exploded perspective view showing a double-sided tape for a touch screen panel excellent impact resistance according to the present invention.
  • the present invention relates to a double-sided tape for a touch screen panel excellent in impact resistance, and more particularly, to a base layer formed by forming an acrylic foam foam coating layer on the top surface of the polyester film, the top surface and the bottom surface of the above-described base layer It consists of the adhesion layer formed and the release layer formed in the outer surface of the adhesion layer mentioned above.
  • the double-sided tape for the touch screen panel having excellent impact resistance is positioned between the touch screen panel module and the liquid crystal module to firmly bond the touch screen panel module and the liquid crystal module, and exhibits excellent heat resistance and impact resistance.
  • the double-faced tape for touch screen panel excellent in impact resistance according to the present invention is formed of an acrylic foam foam coating layer 12 on the upper surface of the polyester film 11 of the base layer 10, the above-described base layer 10
  • the release layer 30 is formed on the outer surface of the adhesive layer 20 and the adhesive layer 20 formed on the upper and lower surfaces.
  • the above-described base layer 10 is a layer of a double-sided tape for a touch screen panel excellent in impact resistance according to the present invention, by forming an acrylic foam foam coating layer 12 on the upper surface of the polyester film 11 It can be applied to all of the touch screen window panel made of acrylic or glass material to exhibit impact resistance, impart excellent heat resistance to the double-sided tape for touch screen panel excellent in impact resistance according to the present invention, black pigment is mixed and dispersed
  • the light transmitted from the backlight unit serves to block leakage to the frame portion formed on the edge of the display.
  • the polyester film 11 is formed to a thickness of 10 to 25 micrometers ( ⁇ m), can be applied to both touch screen window panel made of acrylic or glass material, to the double-sided tape for touch screen panel according to the present invention
  • ⁇ m micrometers
  • the above-described acrylic foam coating layer 12 is formed of a thickness of 100 to 130 micrometers, made of an acrylic binder mixed with an acrylonitrile foam having a particle size of 20 to 40 micrometers and a black pigment.
  • the base layer 10 having the acrylic foam coating layer 12 formed thereon provides excellent impact resistance to the double-sided tape for touch screen panel having excellent impact resistance according to the present invention, and thus, the touch screen panel module and the liquid crystal module are dropped from the external impact. It prevents the phenomenon from happening.
  • the thickness of the above-described base layer 10 is less than 110 micrometers, the heat resistance and impact resistance of the double-sided tape is lowered, if it exceeds 155 micrometers, the above-mentioned adhesive layer 20 to be formed thin Therefore, the adhesive performance of the double-sided tape for a touch screen panel excellent in impact resistance according to the present invention is reduced, the dropout phenomenon occurs between the touch screen panel module and the liquid crystal module, the manufacturing cost is increased.
  • acrylic foam coating layer 12 on the upper surface of the polyester film 11 described above, it is preferable to use an acrylic polyol or an acrylic copolymer.
  • the adhesive layer 20 is formed on the upper and lower surfaces of the substrate layer 10 described above, and the double-sided tape for the touch screen panel having excellent impact resistance according to the present invention is positioned between the touch screen panel module and the liquid crystal module. To bond the touch screen panel module to the liquid crystal module.
  • the adhesive layer 20 is made of an acrylic pressure sensitive adhesive (PSA), and has a thickness of 50 to 70 micrometers, and exhibits excellent adhesive performance, so that the above-described base layer 10 is a touch screen.
  • PSA acrylic pressure sensitive adhesive
  • the adhesive layer 20 When interposed between the panel module and the liquid crystal module, it exhibits excellent adhesion even when the attachment area of the base layer, the touch screen panel module and the liquid crystal module is narrow, thereby firmly bonding the touch screen panel module and the liquid crystal module.
  • the pressure-sensitive adhesive layer 20 When the pressure-sensitive adhesive layer 20 is formed to be less than 50 micrometers, the adhesive performance is lowered. When the pressure-sensitive adhesive layer 20 is exceeded, the pressure-sensitive adhesive component flows out of the substrate layer. The castle is degraded.
  • the release layer 30 described above is formed on the outer surface of the adhesive layer 20 described above, and is made of a release film made of silicon release-treated polyester film or silicon release-treated paper material having a thickness of 60 to 180 micrometers. , Serves to prevent the surface of the adhesive layer 20 from being contaminated.
  • the above-mentioned release layer 30 is removed from the double-sided tape before applying the double-sided tape for the touch screen panel excellent in impact resistance according to the present invention to the touch screen panel.
  • a 128 micrometer thick acrylic foam foam coating layer consisting of an acrylonitrile foam having a particle size of 30 micrometers and an acrylic binder containing black pigment was formed.
  • a layer was prepared, and a pressure-sensitive acrylic pressure-sensitive adhesive having a thickness of 60 micrometers was applied to the upper and lower surfaces of the above-described substrate layer to form an adhesive layer, and a polyester film treated with silicon on the outer surfaces of both adhesive layers.
  • a double-sided tape for a touch screen panel was manufactured by forming a release layer having a thickness of 125 micrometers.
  • a double-sided tape (9295B) for 3M's touch screen panel using a 75 micrometer thick polyester film as a single substrate was provided.
  • a double-sided tape 2034B for 3M touch screen panel using a 75 micrometer thick polyester film as a single substrate was provided.
  • a double-sided tape 62945 for TESA's touch screen panel using a 120 micrometer thick polyethylene foam as a substrate was provided.
  • Adhesion, heat resistance (high temperature and humidity adhesiveness, cleavage, folding), rolling ball tack of the touch screen double-sided tape excellent in impact resistance prepared in Example 1 and the double-sided tape for touch screen panel provided through Comparative Examples 1 to 3 Test, reworkability and impact resistance were measured and shown in Table 1 below.
  • the high temperature and high pressure adhesive strength was removed by removing the release layer of each manufactured double-sided tape, and attached to SUS (Steel Us Stainless) plate with a load of 2kg using a rubber pressing roller, and 72 ° C at 80 ° C and 90% humidity. It shows the force measured at the time of peeling from a SUS board after leaving for time.
  • Cleavage measured the time of additional dropping at a temperature of 80 ° C. by weighing 250 g of weight on a double-sided tape after cutting the double-sided tape into 1 inch ⁇ 1 inch, removing the release layer and attaching it to the acrylic plate. It is shown.
  • the folding layer is removed and placed between the polycarbonate and polyimide film, and the rubber pressing roller has a load of 2kg and 300mm / min.
  • the test piece was prepared by pressing the reciprocating press once under conditions, and the prepared test piece was put into an oven at 80 ° C. to measure the time taken for the test piece to be peeled from the polycarbonate and the polyimide film.
  • the rolling ball tack was measured using a rolling ball test device, but the diameter was 11 mm, and the weight of 5.6 g was used to measure the relative humidity at 23 ⁇ 1 ° C. and 50 ⁇ 5% relative humidity. 21.3 °.
  • the reworkability is to cut each produced double-sided tape to 2mm ⁇ 50mm, then remove the release layer of the cut double-sided tape to attach to the polycarbonate, using a rubber pressing roller with a load of 2kg and 300mm /
  • the test piece was prepared by pressing one round trip under the condition of min, and the prepared test piece was left for 72 hours at a temperature of 23 ° C., and further left for 20 minutes at a temperature of 70 ° C., followed by peeling the double-sided tape with polycarbonate by hand.
  • the adhesive residue on the surface of the carbonate and the frequency of tearing the double-sided tape were measured 100 times.
  • the double-faced tape for excellent touch resistance panel manufactured by Example 1 of the present invention has excellent adhesive strength and heat resistance when compared with Comparative Examples 1 to 2, and particularly, excellent impact resistance. It can be seen that excellent.
  • the double-sided tape for a touch screen panel having excellent impact resistance according to the present invention is placed between the touch screen panel module and the liquid crystal module, and the touch screen panel module and the liquid crystal module are adhered to each other, even when the adhesion area is narrow, excellent adhesion is achieved. In addition to excellent heat resistance and impact resistance, it does not easily break from heat generated from the touch screen or external impact.
  • the touch screen panel module Located between the touch screen panel module and the liquid crystal module, it firmly adheres the touch screen panel module and the liquid crystal module, and provides a double-sided tape showing excellent heat resistance and impact resistance.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesive Tapes (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne une bande adhésive double face pour un écran tactile ayant une résistance aux chocs supérieure, la bande adhésive double face comprenant : une couche de base formée en formant une couche de revêtement de mousse acrylique sur la surface supérieure d'un film de polyester ; des couches d'adhésion formées sur les surfaces supérieures et inférieures de la couche de base ; et une couche antiadhésive formée sur la surface externe des couches d'adhésion. La bande adhésive double face pour un écran tactile ayant une résistance aux chocs supérieure fixe fermement le module d'écran tactile et le module de cristaux liquides en étant positionnée entre ceux-ci, et présente une résistance thermique et une résistance aux chocs supérieures.
PCT/KR2012/001349 2012-02-10 2012-02-22 Bande adhésive double face pour écran tactile ayant une résistance aux chocs supérieure WO2013118933A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120013629A KR20130092112A (ko) 2012-02-10 2012-02-10 내충격성이 우수한 터치스크린 패널용 양면테이프
KR10-2012-0013629 2012-02-10

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WO2013118933A1 true WO2013118933A1 (fr) 2013-08-15

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WO (1) WO2013118933A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017205444A1 (fr) * 2016-05-24 2017-11-30 3M Innovative Properties Company Mousse de caoutchouc acrylique et bande adhésive double face comprenant ladite mousse
TWI651209B (zh) * 2016-10-27 2019-02-21 南韓商Ｌｇ化學股份有限公司 聚合物發泡膠帶以及包含此膠帶的壓感式觸控面板
US20190163311A1 (en) * 2017-11-29 2019-05-30 3M Innovative Properties Company Foam tape for force-sensitive touch sensor
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WO2017205444A1 (fr) * 2016-05-24 2017-11-30 3M Innovative Properties Company Mousse de caoutchouc acrylique et bande adhésive double face comprenant ladite mousse
US11059999B2 (en) 2016-05-24 2021-07-13 3M Innovative Properties Company Acrylic rubber foam and double-sided adhesive tape comprising same
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TWI651209B (zh) * 2016-10-27 2019-02-21 南韓商Ｌｇ化學股份有限公司 聚合物發泡膠帶以及包含此膠帶的壓感式觸控面板
CN109906258A (zh) * 2016-10-27 2019-06-18 株式会社Lg化学 聚合物泡沫粘合带和包括其的压敏型触摸面板
CN109923187A (zh) * 2016-10-27 2019-06-21 株式会社Lg化学 聚合物泡沫粘合带和包括其的压敏型触摸面板
CN109923187B (zh) * 2016-10-27 2021-12-07 株式会社Lg化学 聚合物泡沫粘合带和包括其的压敏型触摸面板
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US10908748B2 (en) 2016-10-27 2021-02-02 Lg Chem, Ltd. Polymer foam adhesive tape and pressure-sensitive type touch panel comprising the same
CN109906258B (zh) * 2016-10-27 2021-08-10 株式会社Lg化学 聚合物泡沫粘合带和包括其的压敏型触摸面板
US20190163311A1 (en) * 2017-11-29 2019-05-30 3M Innovative Properties Company Foam tape for force-sensitive touch sensor
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