CN106189911B - A kind of High-strength adhesive tape and its preparation process - Google Patents

A kind of High-strength adhesive tape and its preparation process Download PDF

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Publication number
CN106189911B
CN106189911B CN201610656265.6A CN201610656265A CN106189911B CN 106189911 B CN106189911 B CN 106189911B CN 201610656265 A CN201610656265 A CN 201610656265A CN 106189911 B CN106189911 B CN 106189911B
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layer
film
magnesium hydroxide
resin
adhesive tape
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CN106189911A (en
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李彦
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SUZHOU KECHUANG ELECTRONICS MATERIAL CO Ltd
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SUZHOU KECHUANG ELECTRONICS MATERIAL CO Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • C09D11/104Polyesters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/326Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12Additional 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
    • C09J2301/122Additional 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 only on one side of the carrier, e.g. single-sided adhesive tape
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/20Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
    • C09J2301/208Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00Presence of polyolefin
    • C09J2423/10Presence of homo or copolymers of propene
    • C09J2423/106Presence of homo or copolymers of propene in the substrate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00Presence of polyester
    • C09J2467/006Presence of polyester in the substrate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2475/00Presence of polyurethane
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2479/00Presence of polyamine or polyimide
    • C09J2479/08Presence of polyamine or polyimide polyimide
    • C09J2479/086Presence of polyamine or polyimide polyimide in the substrate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Abstract

The present invention provides a kind of High-strength adhesive tapes comprising, base membrane layer, thicknesses of layers is 2 ± 1 μm~15 ± 1 μm;Printing layer, thicknesses of layers are 0.5+1 μm~6 ± 1 μm;Adhesive layer, the adhesive layer includes double-layer structure: first layer is the thickening glue film for being adhered to the printing layer surface;The second layer is the tackifying resin for being applied to the grain of frosted containing magnesium hydroxide of first layer surface, and the magnesium hydroxide frosted grain partial size is 300~600 μm;Protective film; in membrane structure; the protective film is pasted on the tie layer surface, and the protective film includes the second film layer for being attached at the first film layer of the tie layer surface and being attached at first film surface, and first film layer is the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid;Second film layer is release film;The High-strength adhesive tape caking property as made from corresponding preparation method is strong, has excellent performance.

Description

A kind of High-strength adhesive tape and its preparation process
Technical field
The present invention relates to adhesive tape area, in particular to a kind of High-strength adhesive tape and its preparation process.
Background technique
Currently, one-faced tapes are widely used in electronic field, with the development of electronics industry, traditional one-faced tapes are It is not able to satisfy the needs of electronic product.Often type is single for existing one-faced tapes, and intensity is lower, is directed to different product shortage Property design.
Summary of the invention
It is excellent it is an object of the invention to solve at least the above problems and/or defect, and provide at least to will be described later Point.
It is a still further object of the present invention to provide a kind of High-strength adhesive tape and its preparation processes, prepare a kind of with special knot The one-faced tapes of structure and performance.
In order to realize these purposes and other advantages according to the present invention, a kind of High-strength adhesive tape is provided comprising,
Base membrane layer, is in lamella membrane structure, and the base membrane layer thicknesses of layers is 2 ± 1 μm~15 ± 1 μm;
Printing layer, for coated on the ink on the base membrane layer, the printing layer thicknesses of layers is 0.5+1 μm~6 ± 1 μ m;
Adhesive layer is adhered in the printing layer, and the adhesive layer includes double-layer structure: first layer is to be adhered to the print The thickening glue film on brush layer surface, the thickening glue film include the polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid in; The second layer is the tackifying resin for being applied to the grain of frosted containing magnesium hydroxide of first layer surface, and the tackifying resin is rosin tree One of rouge, terpene phenol resin or rubber, the magnesium hydroxide frosted grain partial size are 300~600 μm;
Protective film is in membrane structure, and the protective film is pasted on the tie layer surface, and the protective film includes being attached at First film layer of the tie layer surface and the second film layer for being attached at first film surface, first film layer are containing hard The polyurethane resin glue film of resin acid modified magnesium hydroxide;Second film layer is release film;
Wherein, stearic acid mass percentage is 5.5%~6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, described hard It is 3~8% that resin acid modified magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
Preferably, wherein the base membrane layer selection includes polyethylene terephthalate, polyimides or two-way drawing One of polypropylene stretched film.
Preferably, wherein the polyethylene terephthalate base membrane layer is transparent polyethylene terephthalate Ester group film, layer is with a thickness of 2 ± 1 μm, 4.5 ± 1 μm, 9 ± 1 μm.
Preferably, wherein the polyimide-based film layer is amber polyimide base film, and layer is with a thickness of 12.5 ± 1 μ m。
Preferably, wherein the bidirectional stretching polypropylene film base membrane layer is transparent bidirectional stretching polypropylene film, institute Bidirectional stretching polypropylene film base membrane layer is stated with a thickness of 12 ± 1 μm or 15 ± 1 μm.
Preferably, wherein by mass percentage the printing layer include,
Principal component, is polyester resin and polyurethane resin mixture, and the amount that the polyester resin accounts for overall resin is no less than 25%, the principal component accounts for the 70%~83% of printing layer gross mass;
Filler, is carbon black or white carbon black, and the filler accounts for the 15~25% of overall amount of resin;
Dispersing agent, is polyethylene glycol, and the dispersing agent accounts for the 0.5~3% of overall amount of resin;
Defoaming agent, high temperature defoaming agent, the defoaming agent account for the 0.5~3% of overall number quality;
Wherein, auxiliary agent accounts for overall amount of resin no more than 5%.
Preferably, wherein packing material size≤4 μm.
Preferably, wherein the tackifying resin further includes solvent, and the solvent moisture content is less than 200ppm, and chemistry is pure Degree is greater than 99%.
This case additionally provides a kind of preparation method of High-strength adhesive tape, is made by following steps,
1) it prepares base membrane layer: choosing in polyethylene terephthalate, polyimides or bidirectional stretching polypropylene film One kind, unreel, successively pass through 150 mesh, 150 mesh, 175 mesh, the specific net roll one-pass molding of 175 purposes, be made base membrane layer, it is described Base membrane layer thicknesses of layers is 2 ± 1 μm~15 ± 1 μm;
2) it prepares printing layer: one layer of ink being coated in the base membrane layer first surface using rubber roller, is 75 through temperature DEG C drying tunnel, intake 60%, exhausting amount be 75%, be made printing layer;The ink is uniformly dispersed, big without obvious leakage bletilla Particle agglomeration, glossiness fluctuate within ± 0.3;The ink stirs 30min through 1000~1200r/min, and uses 300 mesh Strainer filtering is made, and the printing layer thicknesses of layers is 0.5+1 μm~6 ± 1 μm;
3) it prepares adhesive layer: will include that the sheet polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid is adhered to step Rapid printing layer surface 2) obtained;Gluing, rubber roller requirement are carried out to the sheet polyurethane resin glue film using precision funny knife Shore hardness is between 60~70 °, and institute's gluing is the tackifying resin of the grain of frosted containing magnesium hydroxide, and the tackifying resin is rosin tree One of rouge, terpene phenol resin or rubber, the magnesium hydroxide frosted grain partial size are 300~600 μm;
4) it prepares High-strength adhesive tape: the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid is attached at step 3) institute Product surface is obtained, drying in 110 DEG C of drying tunnels is placed on, Yu Suoshu polyurethane resin film surface is bonded release film, is made high-strength Spend adhesive tape;
Wherein, stearic acid mass percentage is 5.5%~6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, described hard It is 3~8% that resin acid modified magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
Preferably, wherein net roll surface described in step 1) sets the angle of 120 ° of engraving needles engraving as 45 ° of rhombus net Cave, the space of a whole page is uniform, and chromium plating again is carved after halftone copper facing.
High-strength adhesive tape disclosed by the invention and preparation method thereof the utility model has the advantages that 1) increasing the poly- ammonia by printing layer The aesthetic appearance of ester modified one-faced tapes;2) the adhesive tape adhesion strength is improved by the selection of adhesive layer, effectively prevent long-term Occurs lamination problem after use;3) by the preparation process, tensile strength and breaking strength is improved, elongation at break is increased Greatly, space of a whole page good evenness;4) the polyurethane-modified one-faced tapes can be used for electronic product, and adhesive layer uses two-layer composite, By including the thickening glue film and tackifying resin of fire retardant, the anti-flammability when one-faced tapes use is improved, electronics is effectively prevent The generation of the hidden danger such as product kindling;5) glue film material based on polyurethane resin is viscosified, is also made using polyurethane in printing layer For principal component, the compatibility of the two is enhanced, effectively prevent the layering after being used for a long time;6) design of frosted grain increases in adhesive layer Strong caking property, and keep frosted grain evenly dispersed by control partial size simultaneously, prevent the reunion of frosted grain;7) before use, One-faced tapes tie layer surface is protected using protective film, the double layer design of protective film contacts it with one-faced tapes good It is good, the presence of tie layer surface frosted grain is not influenced, when in use, separation layer in removing protective film, in case frosted grain is shelled From.
Detailed description of the invention
Fig. 1 is High-strength adhesive tape structural schematic diagram described in the embodiment of the present invention;
Fig. 2 is High-strength adhesive tape preparation method flow chart described in the embodiment of the present invention;
1- base membrane layer;Printing layer -2;Adhesive layer -3;Protective film -4.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of a other elements or combinations thereof.
Embodiment 1
High-strength adhesive tape as shown in Figure 1, comprising:
Base membrane layer 1 is in lamella membrane structure, and 1 thicknesses of layers of base membrane layer is 2 ± 1 μm, and 1 selection of base membrane layer is Polyethylene terephthalate, the polyethylene terephthalate base membrane layer 1 are transparent polyethylene terephthalate Ester group film;
Printing layer 2, for coated on the ink on the base membrane layer 1,2 thicknesses of layers of printing layer is 0.5+1 μm;
Adhesive layer 3 is adhered in the printing layer 2, and the adhesive layer 3 includes double-layer structure: first layer is is adhered to The thickening glue film on 2 surface of printing layer is stated, the thickening glue film includes the polyurethane resin of Surface Modification of Magnesium Hydroxide by Stearic Acid in Glue film;The second layer is the tackifying resin for being applied to the grain of frosted containing magnesium hydroxide of first layer surface, and the tackifying resin is pine Botany bar gum, the magnesium hydroxide frosted grain partial size are 300 μm, and the tackifying resin further includes solvent, and the solvent moisture content is small In 200ppm, chemical purity is greater than 99%;
Protective film 4 is in membrane structure, and the protective film 4 is pasted on 3 surface of adhesive layer, and the protective film 4 includes patch It invests first film layer on 3 surface of adhesive layer and is attached at the second film layer of first film surface, first film layer For the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid;Second film layer is release film;
Wherein, stearic acid mass percentage is 5.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, described stearic acid modified It is 3% that magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
The printing layer 2 includes by mass percentage,
Principal component is polyester resin and polyurethane resin mixture, and the polyester resin accounts for the 25% of the amount of overall resin, The principal component accounts for the 70% of 2 gross mass of printing layer;
Filler, is carbon black, and the filler accounts for the 25% of overall amount of resin, packing material size≤4 μm;
Dispersing agent, is polyethylene glycol, and the dispersing agent accounts for the 3% of overall amount of resin;
Defoaming agent, high temperature defoaming agent, the defoaming agent account for the 2% of overall number quality.
As shown in Fig. 2, the preparation method of above-mentioned High-strength adhesive tape, is made by following steps,
1) it prepares base membrane layer 1: choosing polyethylene terephthalate, unreel, successively pass through 150 mesh, 150 mesh, 175 The specific net roll one-pass molding of mesh, 175 purposes, is made base membrane layer 1, and 1 thicknesses of layers of base membrane layer is 2 ± 1 μm;
2) it prepares printing layer 2: one layer of ink being coated in 1 first surface of base membrane layer using rubber roller, is through temperature 75 DEG C of drying tunnel, intake 60%, exhausting amount are 75%, and printing layer 2 is made;The ink is uniformly dispersed, white without obviously leaking And bulky grain agglomerate, glossiness fluctuate within ± 0.3;The ink stirs 30min through 1000~1200r/min, and uses The filtering of 300 mesh filter screens is made, and 2 thicknesses of layers of printing layer is 0.5+1 μm;
3) it prepares adhesive layer 3: will include that the sheet polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid is adhered to 2 surface of printing layer made from step 2);Gluing, the glue are carried out to the sheet polyurethane resin glue film using precision funny knife It is between 60~70 ° that roller, which requires shore hardness, and institute's gluing is the tackifying resin of the grain of frosted containing magnesium hydroxide, and the tackifying resin is Rosin resin, the magnesium hydroxide frosted grain partial size are 300 μm;
4) it prepares High-strength adhesive tape: the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid is attached at step 3) institute Product surface is obtained, drying in 110 DEG C of drying tunnels is placed on, Yu Suoshu polyurethane resin film surface is bonded release film, is made high-strength Spend adhesive tape;
Wherein, stearic acid mass percentage is 5.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, described stearic acid modified It is 3% that magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
Net roll surface described in step 1) sets the angle of 120 ° of engraving needles engraving as 45 ° of diamond shape ink cell, and the space of a whole page is uniform, net Chromium plating again is carved after version copper facing.
Embodiment 2
High-strength adhesive tape as shown in Figure 1, comprising:
Base membrane layer 1, is in lamella membrane structure, and 1 selection of base membrane layer is polyimides, the polyimide-based film layer 1 For amber polyimide base film, layer is with a thickness of 12.5 ± 1 μm;
Printing layer 2, for coated on the ink on the base membrane layer 1,2 thicknesses of layers of printing layer is 6 ± 1 μm;
Adhesive layer 3 is adhered in the printing layer 2, and the adhesive layer 3 includes double-layer structure: first layer is is adhered to The thickening glue film on 2 surface of printing layer is stated, the thickening glue film includes the polyurethane resin of Surface Modification of Magnesium Hydroxide by Stearic Acid in Glue film;The second layer is the tackifying resin for being applied to the grain of frosted containing magnesium hydroxide of first layer surface, and the tackifying resin is terpene Alkene phenol resin, the magnesium hydroxide frosted grain partial size are 600 μm, and the tackifying resin further includes solvent, the solvent moisture content Less than 200ppm, chemical purity is greater than 99%;
Protective film 4 is in membrane structure, and the protective film 4 is pasted on 3 surface of adhesive layer, and the protective film 4 includes patch It invests first film layer on 3 surface of adhesive layer and is attached at the second film layer of first film surface, first film layer For the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid;Second film layer is release film;
Wherein, stearic acid mass percentage is 6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, described stearic acid modified It is 8% that magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
The printing layer 2 includes (by mass percentage),
Principal component, is polyester resin and polyurethane resin mixture, and the amount that the polyester resin accounts for overall resin is no less than 25%, the principal component accounts for the 83% of 2 gross mass of printing layer;
Filler, is white carbon black, and the filler accounts for the 15% of overall amount of resin, packing material size≤4 μm;
Dispersing agent, is polyethylene glycol, and the dispersing agent accounts for the 0.5% of overall amount of resin;
Defoaming agent, high temperature defoaming agent, the defoaming agent account for the 1.5% of overall number quality.
As shown in Fig. 2, the preparation method of above-mentioned High-strength adhesive tape, is made by following steps,
1) it prepares base membrane layer 1: choosing polyimides, unreel, it is successively specific by 150 mesh, 150 mesh, 175 mesh, 175 purposes Net roll one-pass molding, is made base membrane layer 1, and 1 thicknesses of layers of base membrane layer is 12.5 ± 1 μm;
2) it prepares printing layer 2: one layer of ink being coated in 1 first surface of base membrane layer using rubber roller, is through temperature 75 DEG C of drying tunnel, intake 60%, exhausting amount are 75%, and printing layer 2 is made;The ink is uniformly dispersed, white without obviously leaking And bulky grain agglomerate, glossiness fluctuate within ± 0.3;The ink stirs 30min through 1000~1200r/min, and uses The filtering of 300 mesh filter screens is made, and 2 thicknesses of layers of printing layer is 6 ± 1 μm;
3) it prepares adhesive layer 3: will include that the sheet polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid is adhered to 2 surface of printing layer made from step 2);Gluing, the glue are carried out to the sheet polyurethane resin glue film using precision funny knife It is between 60~70 ° that roller, which requires shore hardness, and institute's gluing is the tackifying resin of the grain of frosted containing magnesium hydroxide, and the tackifying resin is Terpene phenol resin, the magnesium hydroxide frosted grain partial size are 600 μm;
4) it prepares High-strength adhesive tape: the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid is attached at step 3) institute Product surface is obtained, drying in 110 DEG C of drying tunnels is placed on, Yu Suoshu polyurethane resin film surface is bonded release film, is made high-strength Spend adhesive tape;
Wherein, stearic acid mass percentage is 6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, described stearic acid modified It is 8% that magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
Net roll surface described in step 1) sets the angle of 120 ° of engraving needles engraving as 45 ° of diamond shape ink cell, and the space of a whole page is uniform, net Chromium plating again is carved after version copper facing.
Embodiment 3
High-strength adhesive tape as shown in Figure 1, comprising:
Base membrane layer 1, is in lamella membrane structure, and 1 selection of base membrane layer is bidirectional stretching polypropylene film, the two-way drawing Polypropylene stretched film base membrane layer 1 is transparent bidirectional stretching polypropylene film, 1 thickness of bidirectional stretching polypropylene film base membrane layer It is 12 ± 1 μm;
Printing layer 2, for coated on the ink on the base membrane layer 1,2 thicknesses of layers of printing layer is 5 ± 1 μm;
Adhesive layer 3 is adhered in the printing layer 2, and the adhesive layer 3 includes double-layer structure: first layer is is adhered to The thickening glue film on 2 surface of printing layer is stated, the thickening glue film includes the polyurethane resin of Surface Modification of Magnesium Hydroxide by Stearic Acid in Glue film;The second layer is the tackifying resin for being applied to the grain of frosted containing magnesium hydroxide of first layer surface, and the tackifying resin is rubber Glue, the magnesium hydroxide frosted grain partial size are 400 μm, and the tackifying resin further includes solvent, and the solvent moisture content is less than 200ppm, chemical purity are greater than 99%;
Protective film 4 is in membrane structure, and the protective film 4 is pasted on 3 surface of adhesive layer, and the protective film 4 includes patch It invests first film layer on 3 surface of adhesive layer and is attached at the second film layer of first film surface, first film layer For the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid;Second film layer is release film;
Wherein, stearic acid mass percentage is 6% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, the stearic acid modified hydrogen It is 6% that magnesia, which accounts for polyurethane resin adhesive film quality percentage,.
The printing layer 2 includes (by mass percentage),
Principal component is polyester resin and polyurethane resin mixture, and the polyester resin accounts for the 30% of the amount of overall resin, The principal component accounts for the 75% of 2 gross mass of printing layer;
Filler, is carbon black, and the filler accounts for the 22% of overall amount of resin, packing material size≤4 μm;
Dispersing agent, is polyethylene glycol, and the dispersing agent accounts for the 2% of overall amount of resin;
Defoaming agent, high temperature defoaming agent, the defoaming agent account for the 1% of overall number quality.
As shown in Fig. 2, the preparation method of above-mentioned High-strength adhesive tape, is made by following steps,
1) prepare base membrane layer 1: choosing bidirectional stretching polypropylene film, unreel, successively by 150 mesh, 150 mesh, 175 mesh, The specific net roll one-pass molding of 175 purposes, is made base membrane layer 1, and 1 thicknesses of layers of base membrane layer is 12 ± 1 μm;
2) it prepares printing layer 2: one layer of ink being coated in 1 first surface of base membrane layer using rubber roller, is through temperature 75 DEG C of drying tunnel, intake 60%, exhausting amount are 75%, and printing layer 2 is made;The ink is uniformly dispersed, white without obviously leaking And bulky grain agglomerate, glossiness fluctuate within ± 0.3;The ink stirs 30min through 1000~1200r/min, and uses The filtering of 300 mesh filter screens is made, and 2 thicknesses of layers of printing layer is 3 ± 1 μm;
3) it prepares adhesive layer 3: will include that the sheet polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid is adhered to 2 surface of printing layer made from step 2);Gluing, the glue are carried out to the sheet polyurethane resin glue film using precision funny knife It is between 60~70 ° that roller, which requires shore hardness, and institute's gluing is the tackifying resin of the grain of frosted containing magnesium hydroxide, and the tackifying resin is Rubber, the magnesium hydroxide frosted grain partial size are 400 μm;
4) it prepares High-strength adhesive tape: the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid is attached at step 3) institute Product surface is obtained, drying in 110 DEG C of drying tunnels is placed on, Yu Suoshu polyurethane resin film surface is bonded release film, is made high-strength Spend adhesive tape;
Wherein, stearic acid mass percentage is 6% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, the stearic acid modified hydrogen It is 6% that magnesia, which accounts for polyurethane resin adhesive film quality percentage,.
Net roll surface described in step 1) sets the angle of 120 ° of engraving needles engraving as 45 ° of diamond shape ink cell, and the space of a whole page is uniform, net Chromium plating again is carved after version copper facing.
To band 4 one-faced tapes of protective film obtained by above three embodiments carry out extension test, anti-flammability is tested and old Change test:
As seen from the above table, the anti-flammability of embodiment 1 is lower than 2 product of embodiment, this is because added in 2 product of embodiment Flame retardant amount increases;The elongation at break of embodiment 1 be less than 2 product of embodiment, be because embodiment 1 in base's film thickness compared with It is thin;In burn-in test, the ageing-resistant performance of 2 product of embodiment is most excellent, and a large amount of presence of one side fire retardant are one absorbable Divide heat, 2 high temperature defoaming agent of printing layer also can guarantee the stability of product;On the other hand, 1 selection of base membrane layer and thickness design More resistant to aging, and part improves elongation at break;And it can be seen that the tensile property, fire-retardant of commercially available one side glue by upper table Performance and ageing-resistant performance are weaker than properties of product disclosed in this invention.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (10)

1. a kind of High-strength adhesive tape, which is characterized in that including,
Base membrane layer, is in lamella membrane structure, and the base membrane layer thicknesses of layers is 2 ± 1 μm~15 ± 1 μm;
Printing layer, for coated on the ink on the base membrane layer, the printing layer thicknesses of layers is 0.5+1 μm~6 ± 1 μm;
Adhesive layer is adhered in the printing layer, and the adhesive layer includes double-layer structure: first layer is to be adhered to the printing layer The thickening glue film on surface, the thickening glue film include the polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid in;Second Layer is the tackifying resin for being applied to the grain of frosted containing magnesium hydroxide of first layer surface, and the tackifying resin is rosin resin, terpene One of alkene phenol resin or rubber, the magnesium hydroxide frosted grain partial size are 300~600 μm;
Protective film is in membrane structure, and the protective film is pasted on the tie layer surface, and the protective film is described including being attached at First film layer of tie layer surface and the second film layer for being attached at first film surface, first film layer are containing stearic acid The polyurethane resin glue film of modified magnesium hydroxide;Second film layer is release film;
Wherein, stearic acid mass percentage is 5.5%~6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, the stearic acid It is 3~8% that modified magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
2. High-strength adhesive tape according to claim 1, which is characterized in that the base membrane layer selection includes poly terephthalic acid One of glycol ester, polyimides or bidirectional stretching polypropylene film.
3. High-strength adhesive tape according to claim 2, which is characterized in that the polyethylene terephthalate base membrane layer For transparent polyethylene terephthalate basement membrane, layer is with a thickness of 2 ± 1 μm, 4.5 ± 1 μm, 9 ± 1 μm.
4. High-strength adhesive tape according to claim 2, which is characterized in that the polyimide-based film layer is amber polyamides Imines basement membrane, layer is with a thickness of 12.5 ± 1 μm.
5. High-strength adhesive tape according to claim 2, which is characterized in that the bidirectional stretching polypropylene film base membrane layer is Transparent bidirectional stretching polypropylene film, the bidirectional stretching polypropylene film base membrane layer is with a thickness of 12 ± 1 μm or 15 ± 1 μm.
6. High-strength adhesive tape according to claim 1, which is characterized in that by mass percentage the printing layer include,
Principal component is polyester resin and polyurethane resin mixture, and the amount that the polyester resin accounts for overall resin is no less than 25%, The principal component accounts for the 70%~83% of printing layer gross mass;
Filler, is carbon black or white carbon black, and the filler accounts for the 15~25% of overall amount of resin;
Dispersing agent, is polyethylene glycol, and the dispersing agent accounts for the 0.5~3% of overall amount of resin;
Defoaming agent, high temperature defoaming agent, the defoaming agent account for the 0.5~3% of overall number quality;
Wherein, auxiliary agent accounts for overall amount of resin no more than 5%.
7. High-strength adhesive tape according to claim 6, which is characterized in that packing material size≤4 μm.
8. High-strength adhesive tape according to claim 1, which is characterized in that the tackifying resin further includes solvent, described molten Agent moisture content is less than 200ppm, and chemical purity is greater than 99%.
9. a kind of preparation method for preparing High-strength adhesive tape described in claim 1, which is characterized in that by following steps system ,
1) it prepares base membrane layer: choosing one in polyethylene terephthalate, polyimides or bidirectional stretching polypropylene film Kind, it unreels, successively passes through 150 mesh, 150 mesh, 175 mesh, the specific net roll one-pass molding of 175 purposes, base membrane layer, the basement membrane is made Layer thicknesses of layers is 2 ± 1 μm~15 ± 1 μm;
2) it prepares printing layer: one layer of ink being coated in the base membrane layer first surface using rubber roller, is 75 DEG C through temperature Drying tunnel, intake 60%, exhausting amount are 75%, and printing layer is made;The ink is uniformly dispersed, without obvious leakage bletilla bulky grain Agglomerate, glossiness fluctuate within ± 0.3;The ink stirs 30min through 1000~1200r/min, and uses 300 mesh filter screens Filtering is made, and the printing layer thicknesses of layers is 0.5+1 μm~6 ± 1 μm;
3) it prepares adhesive layer: will include that the sheet polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid is adhered to step 2) Printing layer surface obtained;Gluing is carried out to the sheet polyurethane resin glue film using precision funny knife, rubber roller requires shore Hardness be 60~70 ° between, institute's gluing be the grain of frosted containing magnesium hydroxide tackifying resin, the tackifying resin be rosin resin, One of terpene phenol resin or rubber, the magnesium hydroxide frosted grain partial size are 300~600 μm;
4) it prepares High-strength adhesive tape: the polyurethane resin glue film containing Surface Modification of Magnesium Hydroxide by Stearic Acid being attached at obtained by step 3) and is produced Product surface is placed on drying in 110 DEG C of drying tunnels, and Yu Suoshu polyurethane resin film surface is bonded release film, and high intensity glue is made Band;
Wherein, stearic acid mass percentage is 5.5%~6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid, the stearic acid It is 3~8% that modified magnesium hydroxide, which accounts for polyurethane resin adhesive film quality percentage,.
10. the preparation method of High-strength adhesive tape according to claim 9, which is characterized in that net roll roller described in step 1) Face sets the angle of 120 ° of engraving needles engraving as 45 ° of diamond shape ink cell, and the space of a whole page is uniform, and chromium plating again is carved after halftone copper facing.
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