CN106221598B - A kind of polyurethane-modified one-faced tapes and its preparation process - Google Patents

A kind of polyurethane-modified one-faced tapes and its preparation process Download PDF

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Publication number
CN106221598B
CN106221598B CN201610656203.5A CN201610656203A CN106221598B CN 106221598 B CN106221598 B CN 106221598B CN 201610656203 A CN201610656203 A CN 201610656203A CN 106221598 B CN106221598 B CN 106221598B
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polyurethane
resin
modified
magnesium hydroxide
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CN106221598A (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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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • 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
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • 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
    • C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • 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
    • C09J2301/122—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 only on one side of the carrier, e.g. single-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
    • C09J2467/00—Presence of polyester
    • C09J2467/003—Presence of polyester in the primer coating
    • 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
    • C09J2475/00—Presence of polyurethane
    • C09J2475/003—Presence of polyurethane in the primer coating

Abstract

The present invention provides a kind of polyurethane-modified one-faced tapes comprising, base membrane layer is in lamella membrane structure；Printing layer, for coated on the ink on the base membrane layer；Adhesive layer, it is adhered in the printing layer, the adhesive layer includes double-layer structure: first layer is the thickening glue film for being adhered to the printing layer surface, the thickening glue film includes the polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid in, and stearic acid mass percentage is 5.5%~6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid；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 one of rosin resin, terpene phenol resin or rubber, and the magnesium hydroxide frosted grain partial size is 500~2000 μm；Separation layer, is in membrane structure, and the separation layer is pasted on the tie layer surface.The polyurethane-modified one-faced tapes caking property as made from corresponding preparation method is strong, can effectively improve tensile strength and breaking strength.

Description

A kind of polyurethane-modified one-faced tapes and its preparation process
Technical field
The present invention relates to adhesive tape area, in particular to a kind of polyurethane-modified one-faced tapes 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 polyurethane-modified one-faced tapes and its preparation processes, prepare a kind of tool There are the one-faced tapes of special construction and performance.
In order to realize these purposes and other advantages according to the present invention, a kind of polyurethane-modified one-faced tapes are provided, Including,
Base membrane layer is in lamella membrane structure；
Printing layer, for coated on the ink on the base membrane layer；
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, Stearic acid mass percentage is 5.5%~6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid；The second layer is to be applied to described first The tackifying resin of the grain of frosted containing magnesium hydroxide of layer surface, the tackifying resin are in rosin resin, terpene phenol resin or rubber One kind, the magnesium hydroxide frosted grain partial size be 500~2000 μm；
Separation layer, is in membrane structure, and the separation layer is pasted on the tie layer surface；
Wherein, it is 3 that Surface Modification of Magnesium Hydroxide by Stearic Acid described in the first layer, which accounts for polyurethane resin adhesive film quality percentage, ~8%.
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 color is transparent, white or black；Institute Transparent polyethylene terephthalate base membrane layer is stated with a thickness of 2 ± 1 μm, 4.5 ± 1 μm, 9 ± 1 μm, 12 ± 1 μm or 20 ± 1 μ m；The white polyethylene terephthalate base membrane layer is with a thickness of 12 ± 1 μm, 25 ± 1 μm or 30 ± 1 μm；The black is poly- Ethylene glycol terephthalate base membrane layer is with a thickness of 25 ± 1 μm or 50 ± 1 μm.
Preferably, wherein the polyimide-based film layer color is amber or black；The amber polyimides Base membrane layer is with a thickness of 12.5 ± 1 μm or 20 ± 1 μm；The black polyamide base membrane layer is with a thickness of 15 ± 1 μm or 20 ± 1 μm.
Preferably, wherein the bidirectional stretching polypropylene film base membrane layer color is transparent, the biaxial stretching polypropylene Alkene film base membrane layer is with a thickness of 12 ± 1 μm or 15 ± 1 μm.
Preferably, wherein the printing layer 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 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, the 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%.
Preferably, wherein the separation layer selects one of release film or release paper.
This case additionally provides a kind of preparation method of polyurethane-modified one-faced tapes, 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 Net roll surface 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；
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；
3) it prepares adhesive layer: will include that mass percent is gathered for the sheet of 3~8% Surface Modification of Magnesium Hydroxide by Stearic Acid Urethane resin glue film is adhered to step 2) printing layer surface obtained；Using the funny knife of precision to the sheet polyurethane resin adhesive Film carries out gluing, and it is between 60~70 ° that the rubber roller, which requires shore hardness, and institute's gluing is the thickening tree of the grain of frosted containing magnesium hydroxide Rouge, the tackifying resin are one of rosin resin, terpene phenol resin or rubber, the magnesium hydroxide frosted grain partial size 500 ~2000 μm；
4) polyurethane-modified one-faced tapes are prepared: step 3) products obtained therefrom being placed in drying in 110 DEG C of drying tunnels, in described viscous It ties layer surface and is bonded isolated material, polyurethane-modified one-faced tapes are made.
Polyurethane-modified one-faced tapes disclosed by the invention and preparation method thereof the utility model has the advantages that 1) pass through printing layer increase The aesthetic appearances of the polyurethane-modified one-faced tapes；2) the adhesive tape adhesion strength is improved by the selection of adhesive layer, effectively Prevent lamination problem occur after being used for a long time；3) by the preparation process, tensile strength and breaking strength are improved, stretches fracture Long rate increases, 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 compound Structure improves the anti-flammability when one-faced tapes use, effectively prevent by including the thickening glue film and tackifying resin of fire retardant The generation of the hidden danger such as electronic product kindling；5) glue film material based on polyurethane resin is viscosified, also uses poly- ammonia in printing layer Ester enhances the compatibility of the two as principal component, effectively prevent the layering after being used for a long time；6) frosted grain is set in adhesive layer Meter enhances caking property, and keeps frosted grain evenly dispersed by control partial size simultaneously, prevent the reunion of frosted grain.
Detailed description of the invention
Fig. 1 is polyurethane-modified one-faced tapes structural schematic diagram described in the embodiment of the present invention；
Fig. 2 is polyurethane-modified one-faced tapes preparation method flow chart described in the embodiment of the present invention；
1- base membrane layer；Printing layer -2；Adhesive layer -3；Separation layer -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
Polyurethane-modified one-faced tapes as shown in Figure 1 comprising,
Base membrane layer 1 is in lamella membrane structure, and 1 selection of base membrane layer is black polyethylene terephthalate, described Black polyethylene terephthalate base membrane layer 1 is with a thickness of 25 ± 1 μm；
Printing layer 2, for coated on the ink on the base membrane layer 1；
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, stearic acid mass percentage is 5.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid；The second layer is to be applied to the first layer The tackifying resin of the grain of frosted containing magnesium hydroxide on surface, the tackifying resin are rosin resin, the magnesium hydroxide frosted grain grain Diameter is 500 μm, and the tackifying resin further includes solvent, and the solvent moisture content is less than 200ppm, and chemical purity is greater than 99%；
Separation layer 4 is in membrane structure, and the separation layer 4 is pasted on 3 surface of adhesive layer, the separation layer 4 select from Type film；
Wherein, Surface Modification of Magnesium Hydroxide by Stearic Acid described in the first layer accounts for polyurethane resin adhesive film quality percentage and is 3%.
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 polyurethane-modified one-faced tapes, specifically,
1) it prepares base membrane layer 1: choosing polyethylene terephthalate, unreel, successively pass through 150 mesh, 150 mesh, 175 Base membrane layer 1 is made in the specific net roll one-pass molding of mesh, 175 purposes；The net roll surface set 120 ° of engraving needles engraving angle as 45 ° of diamond shape ink cell, the space of a whole page is uniform, and chromium plating again is carved after halftone copper facing；
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；
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, described 500 μm of magnesium hydroxide frosted grain partial size；
4) polyurethane-modified one-faced tapes are prepared: step 3) products obtained therefrom being placed in drying in 110 DEG C of drying tunnels, in described viscous It ties 3 surface of layer and is bonded isolated material, polyurethane-modified one-faced tapes are made.
Embodiment 2
Polyurethane-modified one-faced tapes as shown in Figure 1 comprising,
Base membrane layer 1, is in lamella membrane structure, and 1 selection of base membrane layer is black polyamide, the black polyamide Base membrane layer 1 is with a thickness of 15 ± 1 μm；
Printing layer 2, for coated on the ink on the base membrane layer 1；
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, stearic acid mass percentage is 6.5% in the Surface Modification of Magnesium Hydroxide by Stearic Acid；The second layer is to be applied to the first layer The tackifying resin of the grain of frosted containing magnesium hydroxide on surface, the tackifying resin are terpene phenol resin, the magnesium hydroxide frosted grain Partial size is 2000 μm, and the tackifying resin further includes solvent, and the solvent moisture content is less than 200ppm, and chemical purity is greater than 99%；
Separation layer 4 is in membrane structure, and the separation layer 4 is pasted on 3 surface of adhesive layer, the separation layer 4 select from Type paper；
Wherein, Surface Modification of Magnesium Hydroxide by Stearic Acid described in the first layer accounts for polyurethane resin adhesive film quality percentage and is 8%.
The printing layer 2 includes (by mass percentage),
Principal component is polyester resin and polyurethane resin mixture, and the polyester resin accounts for the 35% of the amount of overall resin, 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 polyurethane-modified one-faced tapes, 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 Base membrane layer 1 is made in net roll one-pass molding；The net roll surface sets the angle of 120 ° of engraving needles engraving as 45 ° of diamond shape ink cell, version Face is uniform, and chromium plating again is carved after halftone copper facing；
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；
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, described 2000 μm of magnesium hydroxide frosted grain partial size；
4) polyurethane-modified one-faced tapes are prepared: step 3) products obtained therefrom being placed in drying in 110 DEG C of drying tunnels, in described viscous It ties 3 surface of layer and is bonded isolated material, polyurethane-modified one-faced tapes are made.
Embodiment 3
Polyurethane-modified one-faced tapes 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 1 color of polypropylene stretched film base membrane layer be it is transparent, the bidirectional stretching polypropylene film base membrane layer 1 is with a thickness of 12 ± 1 μm；
Printing layer 2, for coated on the ink on the base membrane layer 1；
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, stearic acid mass percentage is 6% in the Surface Modification of Magnesium Hydroxide by Stearic Acid；The second layer is to be applied to the first layer table The tackifying resin of the grain of frosted containing magnesium hydroxide in face, the tackifying resin are rubber, and the magnesium hydroxide frosted grain partial size is 1000 μm, the tackifying resin further includes solvent, and the solvent moisture content is less than 200ppm, and chemical purity is greater than 99%；
Separation layer 4 is in membrane structure, and the separation layer 4 is pasted on 3 surface of adhesive layer, the separation layer 4 select from Type film；
Wherein, Surface Modification of Magnesium Hydroxide by Stearic Acid described in the first layer accounts for polyurethane resin adhesive film quality percentage and is 6%.
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 20% 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 3% of overall number quality；
This case additionally provides a kind of preparation method of polyurethane-modified one-faced tapes, 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, Base membrane layer 1 is made in the specific net roll one-pass molding of 175 purposes；The net roll surface sets the angle of 120 ° of engraving needles engraving as 45 ° Diamond shape ink cell, the space of a whole page is uniform, and chromium plating again is carved after halftone copper facing；
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；
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, described 1000 μm of magnesium hydroxide frosted grain partial size；
4) polyurethane-modified one-faced tapes are prepared: step 3) products obtained therefrom being placed in drying in 110 DEG C of drying tunnels, in described viscous It ties 3 surface of layer and is bonded isolated material, polyurethane-modified one-faced tapes are made.
Extension test, anti-flammability test and aging is carried out to flame retardant type one-faced tapes obtained by above three embodiments to survey Examination:
As seen from the above table, the elongation at break of embodiment 1 is greater than 2 product of embodiment, but its anti-flammability is then lower than embodiment 2 Product, this is because the flame retardant amount added in 2 product of embodiment increases, and the increase of frosted grain partial size affects to a certain extent The mechanical property of product；In burn-in test, the ageing-resistant performance of 2 product of embodiment is most excellent, and one side fire retardant is largely deposited It is being can absorb a part of heat, 2 high temperature defoaming agent of printing layer also can guarantee the stability of product；On the other hand, base membrane layer 1 selects Material and thickness design are more resistant to aging；And the tensile property of commercially available one side glue, flame retardant property and resistance to old can be seen that by upper table The performance of change is weaker than properties of product disclosed in this invention；After 3000h burn-in test, commercially available one side glue is layered, And other products do not occur lamination then.
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 polyurethane-modified one-faced tapes, which is characterized in that including,
Base membrane layer is in lamella membrane structure；
Printing layer, for coated on the ink on the base membrane layer；
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 includes the polyurethane resin glue film of Surface Modification of Magnesium Hydroxide by Stearic Acid in, described Stearic acid mass percentage is 5.5%~6.5% in Surface Modification of Magnesium Hydroxide by Stearic Acid；The second layer is to be applied to the first layer table The tackifying resin of the grain of frosted containing magnesium hydroxide in face, the tackifying resin are one in rosin resin, terpene phenol resin or rubber Kind, the magnesium hydroxide frosted grain partial size is 500~2000 μm；
Separation layer, is in membrane structure, and the separation layer is pasted on the tie layer surface；
Wherein, Surface Modification of Magnesium Hydroxide by Stearic Acid described in the first layer account for polyurethane resin adhesive film quality percentage be 3~ 8%.
2. polyurethane-modified one-faced tapes according to claim 1, which is characterized in that the base membrane layer selection includes poly- pair One of ethylene terephthalate, polyimides or bidirectional stretching polypropylene film.
3. polyurethane-modified one-faced tapes according to claim 2, which is characterized in that the polyethylene terephthalate Ester group Film color is transparent, white or black；The transparent polyethylene terephthalate base membrane layer with a thickness of 2 ± 1 μm, 4.5 ± 1 μm, 9 ± 1 μm, 12 ± 1 μm or 20 ± 1 μm；The white polyethylene terephthalate base membrane layer with a thickness of 12 ± 1 μm, 25 ± 1 μm or 30 ± 1 μm；The black polyethylene terephthalate base membrane layer is with a thickness of 25 ± 1 μm or 50 ± 1 μ m。
4. polyurethane-modified one-faced tapes according to claim 2, which is characterized in that the polyimide-based film layer color For amber or black；The amber polyimide base film layer is with a thickness of 12.5 ± 1 μm or 20 ± 1 μm；The black polyamides Imido grpup thicknesses of layers is 15 ± 1 μm or 20 ± 1 μm.
5. polyurethane-modified one-faced tapes according to claim 2, which is characterized in that the bidirectional stretching polypropylene film Base membrane layer color be it is transparent, the bidirectional stretching polypropylene film base membrane layer is with a thickness of 12 ± 1 μm or 15 ± 1 μm.
6. polyurethane-modified one-faced tapes according to claim 1, which is characterized in that the printing by mass percentage 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. polyurethane-modified one-faced tapes according to claim 6, which is characterized in that packing material size≤4 μm.
8. polyurethane-modified one-faced tapes according to claim 1, which is characterized in that the tackifying resin further includes molten Agent, the solvent moisture content are less than 200ppm, and chemical purity is greater than 99%.
9. polyurethane-modified one-faced tapes according to claim 1, which is characterized in that the separation layer select release film or One of release paper.
10. a kind of preparation method for preparing polyurethane-modified one-faced tapes described in claim 1, which is characterized in that by with Lower step is made,
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 is made；The net roll Roll surface 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；
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；
3) it prepares adhesive layer: will include the sheet polyurethane for the Surface Modification of Magnesium Hydroxide by Stearic Acid that mass percent is 3~8% Resin glue film is adhered to step 2) printing layer surface obtained；Using the funny knife of precision to the sheet polyurethane resin glue film into Row gluing, it is between 60~70 ° that rubber roller, which requires shore hardness, and institute's gluing is the tackifying resin of the grain of frosted containing magnesium hydroxide, described Tackifying resin is one of rosin resin, terpene phenol resin or rubber, 500~2000 μ of magnesium hydroxide frosted grain partial size m；
4) polyurethane-modified one-faced tapes are prepared: step 3) products obtained therefrom is placed in drying, Yu Suoshu adhesive layer in 110 DEG C of drying tunnels Surface is bonded isolated material, and polyurethane-modified one-faced tapes are made.
CN201610656203.5A 2016-08-11 2016-08-11 A kind of polyurethane-modified one-faced tapes and its preparation process Active CN106221598B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1668459A (en) * 2002-07-19 2005-09-14 艾利丹尼森公司 Labeling method employing two-part curable adhesives
CN101787223A (en) * 2010-04-06 2010-07-28 中科院广州化学有限公司 Modified magnesium hydroxide, preparation method thereof and application thereof in polymer
CN102760380A (en) * 2011-04-28 2012-10-31 藤森工业株式会社 Hard coating thin film and touch panel using the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1668459A (en) * 2002-07-19 2005-09-14 艾利丹尼森公司 Labeling method employing two-part curable adhesives
CN101787223A (en) * 2010-04-06 2010-07-28 中科院广州化学有限公司 Modified magnesium hydroxide, preparation method thereof and application thereof in polymer
CN102760380A (en) * 2011-04-28 2012-10-31 藤森工业株式会社 Hard coating thin film and touch panel using the same

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