CN108841335B - Black black shading adhesive tape and preparation method thereof - Google Patents
Black black shading adhesive tape and preparation method thereof Download PDFInfo
- Publication number
- CN108841335B CN108841335B CN201810536364.XA CN201810536364A CN108841335B CN 108841335 B CN108841335 B CN 108841335B CN 201810536364 A CN201810536364 A CN 201810536364A CN 108841335 B CN108841335 B CN 108841335B
- Authority
- CN
- China
- Prior art keywords
- weight
- black
- parts
- layer
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- 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
- C09J133/24—Homopolymers or copolymers of amides or imides
-
- 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
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- 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
- C09J2301/1242—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 the opposite adhesive layers being different
-
- 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
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
-
- 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
- C09J2467/005—Presence of polyester in the release 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention provides a black and black shading tape and a preparation method thereof, wherein the black and black shading tape consists of a PET substrate layer, an ink layer, a first adhesive layer, a second adhesive layer and a protective layer; secondly, the ink layer is formed by environment-friendly water-based black ink with nano Al/Al2O3The core-shell material light absorber can effectively absorb light entering the ink layer, effectively improve the display effect of the screen, and avoid the problem that the backlight source enters the inside of the screen through the transparent adhesive layer to cause bright lines at the edge of the screen. Therefore, the black and black shading adhesive tape prepared by the invention has the characteristics of long service life, environmental protection, strong viscosity, good shading performance, easy repair and good high temperature resistance. And, first adhesive layer preferred contains nanometer silica, makes it have unevenness's surface, and the area of contact with display panel is little, consequently can not make display panel appear damaged or backlight unit looses the frame when disassembling, and it is convenient to disassemble, and it is efficient to rework.
Description
Technical Field
The invention relates to the technical field of shading tapes, and particularly relates to a black and black shading tape and a preparation method thereof.
Background
The shading adhesive tape, namely the adhesive tape for realizing light blocking, is widely applied to fixation of backlight modules of products such as notebook computers, mobile phones, PDAs, LEDs, LCDs, luminous keyboards, ultrathin advertising light boxes, backlight plates (sheets) and the like and various shading applications. In applications where control of light intensity is desired, the effect of light is minimized. With the development of society and the promotion of people's demand, people put forward higher requirements on the shading adhesive tape.
Chinese patent application No. 201310285808.4 describes a light-shielding tape for PCB, which comprises a polyvinyl chloride base layer, a release layer, an adhesive layer and a primer layer, and has the advantages of simple process steps, good adhesion and avoiding the phenomena of tilting and adhesive loading at both ends, however, PVC can drop some toxic additives during the use process, which may cause cancers and other diseases, and seriously harms the health of people. Chinese patent document No. 201710347434.2 introduces a super narrow frame shading sticky tape, it is by the substrate layer, first gluing agent layer, the second gluing agent layer, heavily leave type membrane and light from type membrane and constitute, a nano-particle that has the effect of absorption light source has been added to its gluing agent, it both can effectively fix backlight unit and liquid crystal display, the light that can effectively absorb entering gluing agent layer again, the display effect of screen has effectively been improved, however its tie coat is thicker, in shading sticky tape machine-shaping in-process, can produce the excessive phenomenon of gluing during the cross cutting, thereby influence the quality in backlight unit light emitting area. The black and black shading tape is a black and black single/double-sided tape with a shading function, takes a black film as a base material, has excellent shading performance, and still has the problems of poor viscosity, difficult repair and the like.
In conclusion, the black and black shading adhesive tape which is long in service life, environment-friendly, strong in viscosity, good in shading performance, easy to repair and good in high temperature resistance is prepared, and has important significance for the industry of backlight modules.
Disclosure of Invention
The invention mainly aims to provide a black and black shading adhesive tape and a preparation method thereof, and the black and black shading adhesive tape has the characteristics of long service life, environmental protection, strong viscosity, good shading performance, easiness in repairing and good high-temperature resistance.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the black and black shading adhesive tape comprises a first protective layer, a first adhesive layer, a base material layer, a second adhesive layer and a second protective layer which are sequentially stacked, wherein the base material layer is a PET (polyethylene terephthalate) transparent film with a black ink layer coated on two sides, the black ink layer is formed by water-based black ink, the water-based black ink comprises 80-100 parts by weight of film-forming resin, 2-10 parts by weight of carbon black, 1-5 parts by weight of light-absorbing agent, 5-20 parts by weight of dispersing agent, 0.01-0.02 part by weight of flatting agent, 0.01-0.03 part by weight of defoaming agent, 0.5-5 parts by weight of wax emulsion and 50-80 parts by weight of deionized water, and the light-absorbing agent is nano Al/Al2O3A core-shell material.
Preferably, the aqueous black ink is prepared according to the following method: carbon black, a light absorbing agent, deionized water, a dispersing agent and a defoaming agent are mixed under the condition of 500-1000r/min at room temperaturePre-dispersing for 0.5-2h to obtain a mixture, wherein the light absorbing agent is nano Al/Al2O3Core-shell materials; placing the mixture in a high-speed stirrer to be ground at high speed for 2-4h under the conditions of room temperature of 800-; and mixing the base ink, the film-forming resin, the flatting agent, the deionized water and the wax emulsion at the room temperature of 500 and 1000r/min, and stirring for 0.5-4h to uniformly mix the base ink, the film-forming resin, the flatting agent, the deionized water and the wax emulsion to obtain the water-based black ink.
Preferably, the nano Al/Al2O3The core-shell material is prepared according to the following method: placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1-6h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
Preferably, the first adhesive layer is formed by a first adhesive, the first adhesive is composed of 80-100 parts by weight of viscous monomer, 10-30 parts by weight of cohesive monomer, 2-10 parts by weight of functional monomer, 5-10 parts by weight of functional auxiliary agent, 0.2-2 parts by weight of emulsifier, 0.5-3 parts by weight of initiator and 50-80 parts by weight of deionized water, and the viscous monomer is one or more of ethyl acrylate, butyl acrylate and isooctyl acrylate; the cohesive monomer is one or more of methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate and n-butyl methacrylate; the functional monomer is one or more of glycidyl (meth) acrylate, N-methylolacrylamide acrylamide and methacrylic acid, and the functional auxiliary agent is modified nano silicon dioxide.
Preferably, the first adhesive is prepared according to the following method: stirring the viscous monomer, the cohesive monomer and the functional monomer at the room temperature of 500-1000r/min for 0.5-1h, and uniformly mixing to obtain a mixed monomer; 1/3 mixed monomer, 1/3 functional auxiliary agent, 1/3 emulsifier and 1/3 initiator react for 0.5-2h at 70-90 ℃ under the condition of 800-; continuously dropwise adding the rest mixed monomer, emulsifier and initiator, heating to 80-100 ℃ after dropwise adding, preserving heat for 1-3h, cooling and discharging to obtain a first adhesive, wherein the viscous monomer is one or more of ethyl acrylate, butyl acrylate and isooctyl acrylate; the cohesive monomer is one or more of methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate and n-butyl methacrylate; the functional monomer is one or more of glycidyl (meth) acrylate, N-methylolacrylamide acrylamide and methacrylic acid, and the functional auxiliary agent is modified nano silicon dioxide.
Preferably, the modified nano-silica is prepared according to the following method: in N2Under the atmosphere, mixing the nano silicon dioxide and deionized water to prepare 6-10% of water suspension by mass fraction, and stirring and dispersing for 10-30min under the conditions of 1500-2000r/min to obtain suspension; stirring and heating the suspension at the temperature of between 40 and 60 ℃ under the condition of 1500r/min, stabilizing the suspension for 5 to 20min, and adding a silane coupling agent KH570 into the suspension, wherein the addition amount of the silane coupling agent KH is 5 to 20 percent of the mass of the nano silicon dioxide; cooling to room temperature, vacuum-filtering, drying the filter cake in a drying oven at 50-80 deg.C for 6-24h, and pulverizing the dried filter cake to obtain modified nano-silica.
Preferably, the second adhesive layer is formed by a second adhesive, and the second adhesive is an acrylic glue.
Preferably, the first protective layer and the second protective layer are each independently a PET transparent film.
Correspondingly, the invention also provides a preparation method of the black and black shading adhesive tape, which comprises the following steps: coating black ink layers on two surfaces of a PET transparent film, drying the PET transparent film in an oven, setting the temperature of the oven to be 60-110 ℃, and rolling the PET transparent film to obtain a substrate layer, wherein the black ink layer is formed by water-based black ink, the water-based black ink comprises 80-100 parts by weight of film-forming resin, 2-10 parts by weight of carbon black, 1-5 parts by weight of light absorbent, 5-20 parts by weight of dispersing agent, 0.01-0.02 part by weight of flatting agent, 0.01-0.03 part by weight of defoaming agent, 0.5-5 parts by weight of wax emulsion and 50-80 parts by weight of deionized water, and the light absorbent is nano Al/Al2O3Core-shell materials; respectively coating a first adhesive layer and a second adhesive layer on the upper surface and the lower surface of the base material layer, drying, setting the temperature of an oven at 60-110 ℃,and then respectively attaching protective films to the two surfaces to form a first protective layer and a second protective layer, rolling and slitting to obtain the black and black shading adhesive tape with strong viscosity and easy repair.
Preferably, the nano Al/Al2O3The core-shell material is prepared according to the following method: placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1-6h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
The invention provides a black and black shading tape and a preparation method thereof, wherein the black and black shading tape consists of a PET substrate layer, an ink layer, a first adhesive layer, a second adhesive layer and a protective layer; (ii) a Secondly, the ink layer is formed by environment-friendly water-based black ink with nano Al/Al2O3The core-shell material light absorber can effectively absorb light entering the ink layer, effectively improve the display effect of the screen, and avoid the problem that the backlight source enters the inside of the screen through the transparent adhesive layer to cause bright lines at the edge of the screen. Therefore, the black and black shading adhesive tape prepared by the invention has the characteristics of long service life, environmental protection, strong viscosity, good shading performance, easy repair and good high temperature resistance. And, first adhesive layer preferred contains nanometer silica, makes it have unevenness's surface, and the area of contact with display panel is little, consequently can not make display panel appear damaged or backlight unit looses the frame when disassembling, and it is convenient to disassemble, and it is efficient to rework.
Drawings
Fig. 1 is a schematic structural view of a black and black masking tape prepared according to an embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The invention provides a black and black shading tape, as shown in figure 1, comprising a first protective layer 1, a first adhesive layer 2, a base material layer 3,The second adhesive layer 4 and the second protective layer 5, the substrate layer 3 is a PET transparent film with a black ink layer coated on both sides, the black ink layer is formed by water-based black ink, the water-based black ink comprises 80-100 parts by weight of film-forming resin, 2-10 parts by weight of carbon black, 1-5 parts by weight of light absorbent, 5-20 parts by weight of dispersing agent, 0.01-0.02 part by weight of flatting agent, 0.01-0.03 part by weight of defoaming agent, 0.5-5 parts by weight of wax emulsion and 50-80 parts by weight of deionized water, and the light absorbent is nano Al/Al2O3A core-shell material.
Preferably, the aqueous black ink is prepared according to the following method: pre-dispersing carbon black, a light absorbing agent, deionized water, a dispersing agent and a defoaming agent for 0.5-2h at room temperature under the condition of 500-2O3Core-shell materials; placing the mixture in a high-speed stirrer to be ground at high speed for 2-4h under the conditions of room temperature of 800-; and mixing the base ink, the film-forming resin, the flatting agent, the deionized water and the wax emulsion at the room temperature of 500 and 1000r/min, and stirring for 0.5-4h to uniformly mix the base ink, the film-forming resin, the flatting agent, the deionized water and the wax emulsion to obtain the water-based black ink.
The nano Al/Al2O3The core-shell material is prepared according to the following method: placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1-6h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
The light absorbent improves the light-shielding performance of the light-shielding adhesive tape. Al is easily oxidized in air, so that an oxide layer is usually attached to the surface of Al, and Al/Al is formed2O3A core-shell material. The interband transition light absorption size characteristic of nano metal particle electrons, the size of a metal core and the excitation light energy play a leading role in the light absorption property, the oxide on the surface layer of the metal particle effectively polarizes the continuous medium, and the nano metal aluminum oxide can enhance the light absorption.
Preferably, the first adhesive layer is formed by a first adhesive, the first adhesive is composed of 80-100 parts by weight of viscous monomer, 10-30 parts by weight of cohesive monomer, 2-10 parts by weight of functional monomer, 5-10 parts by weight of functional auxiliary agent, 0.2-2 parts by weight of emulsifier, 0.5-3 parts by weight of initiator and 50-80 parts by weight of deionized water, and the viscous monomer is one or more of ethyl acrylate, butyl acrylate and isooctyl acrylate; the cohesive monomer is one or more of methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate and n-butyl methacrylate; the functional monomer is one or more of glycidyl (meth) acrylate, N-methylolacrylamide acrylamide and methacrylic acid, and the functional auxiliary agent is modified nano silicon dioxide.
The first adhesive is preferably prepared as follows: stirring the viscous monomer, the cohesive monomer and the functional monomer at the room temperature of 500-1000r/min for 0.5-1h, and uniformly mixing to obtain a mixed monomer; 1/3 mixed monomer, 1/3 functional auxiliary agent, 1/3 emulsifier and 1/3 initiator react for 0.5-2h at 70-90 ℃ under the condition of 800-; continuously dropwise adding the rest mixed monomer, emulsifier and initiator, heating to 80-100 ℃ after dropwise adding, preserving heat for 1-3h, cooling and discharging to obtain a first adhesive, wherein the viscous monomer is one or more of ethyl acrylate, butyl acrylate and isooctyl acrylate; the cohesive monomer is one or more of methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate and n-butyl methacrylate; the functional monomer is one or more of glycidyl (meth) acrylate, N-methylolacrylamide acrylamide and methacrylic acid, and the functional auxiliary agent is modified nano silicon dioxide; the emulsifier is one or more of SDS, SDBS and OP-10; the initiator is ammonium persulfate and/or potassium persulfate.
The modified nano-silica is preferably prepared according to the following method: under the atmosphere of N2, mixing nano silicon dioxide and deionized water to prepare 6-10% of water suspension, and stirring and dispersing for 10-30min under the conditions of 1500-2000r/min to obtain suspension; stirring and heating the suspension at the temperature of between 40 and 60 ℃ under the condition of 1500r/min, stabilizing the suspension for 5 to 20min, and adding a silane coupling agent KH570 into the suspension, wherein the addition amount of the silane coupling agent KH is 5 to 20 percent of the mass of the nano silicon dioxide; cooling to room temperature, vacuum-filtering, drying the filter cake in a drying oven at 50-80 deg.C for 6-24h, and pulverizing the dried filter cake to obtain modified nano-silica.
The functional additive improves the easy repair performance of the shading adhesive tape. The nano silicon dioxide in the functional assistant raw material is uniformly dispersed in the suspension, and the silane coupling agent with polyhydroxy is easy to combine with the nano particles, so that the nano particles are coated on the surface of the nano silicon dioxide, and the modified nano silicon dioxide composite particles are formed.
Preferably, the second adhesive layer is formed by a second adhesive, and the second adhesive is an acrylic adhesive.
Preferably, the first protective layer and the second protective layer are each independently a PET transparent film.
Correspondingly, the invention also provides a preparation method of the black and black shading adhesive tape, which comprises the following steps: coating black ink layers on two surfaces of a PET transparent film, drying the PET transparent film in an oven, setting the temperature of the oven to be 60-110 ℃, and rolling the PET transparent film to obtain a substrate layer, wherein the black ink layer is formed by water-based black ink, the water-based black ink comprises 80-100 parts by weight of film-forming resin, 2-10 parts by weight of carbon black, 1-5 parts by weight of light absorbent, 5-20 parts by weight of dispersing agent, 0.01-0.02 part by weight of flatting agent, 0.01-0.03 part by weight of defoaming agent, 0.5-5 parts by weight of wax emulsion and 50-80 parts by weight of deionized water, and the light absorbent is nano Al/Al2O3Core-shell materials; respectively coating a first adhesive layer and a second adhesive layer on the upper surface and the lower surface of the base material layer, drying, setting the temperature of an oven to be 60-110 ℃, then respectively attaching protective films on two surfaces to form a first protective layer and a second protective layer, rolling, slitting, and obtaining the black and black shading adhesive tape with strong viscosity and easy repair.
Preferably, the nano Al/Al2O3The core-shell material is prepared according to the following method: placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1-6h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the black-black shading adhesive tape disclosed by the invention is composed of a PET substrate layer, an ink layer, a first adhesive layer, a second adhesive layer and a protective layer, is simple in preparation process and easy to operate, and is suitable for industrial production;
(2) the black and black shading adhesive tape has the advantages of long service life, environmental protection, strong viscosity, good shading performance, easy repair and good high temperature resistance;
(3) the first adhesive layer contains nano silicon dioxide, so that the first adhesive layer has an uneven surface and a small contact area with the display panel, the display panel cannot be damaged or the backlight module cannot be disassembled, the disassembly is convenient, and the rework efficiency is high;
(4) the ink layer is formed by environment-friendly water-based black ink, and the nano Al/Al is2O3The core-shell material light absorber can effectively absorb light entering the ink layer, effectively improve the display effect of the screen, and avoid the problem that the backlight source enters the inside of the screen through the transparent adhesive layer to cause bright lines at the edge of the screen.
For further understanding of the present invention, the following embodiments are provided to illustrate the technical solutions of the present invention in detail, and the scope of the present invention is not limited by the following embodiments.
The chemical reagents adopted in the embodiment of the invention are all purchased from the market:
viscous monomers (ethyl acrylate, butyl acrylate, and isooctyl acrylate), cohesive monomers (methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate, and N-butyl methacrylate), and functional monomers ((glycidyl (meth) acrylate, N-methylolacrylamide acrylamide, and methacrylic acid) were purchased from Yongda (Zhongshan) Co., Ltd.; PET films were purchased from Zhejiang south ocean science and technology, Inc.; the acrylic adhesive is purchased from Shanghai Doubang chemical Co., Ltd; other adjuvants were purchased from Guangzhou Kangoushuang trade company, Inc.
Example 1:
the ink layer is formed by water-based black ink, and the water-based black ink is prepared by the following specific preparation method:
(1) pre-dispersing 2 parts by weight of carbon black, 1 part by weight of light absorbent, 50 parts by weight of deionized water, 5 parts by weight of dispersing agent and 0.01 part by weight of defoaming agent for 0.5h at room temperature under the condition of 1000 r/min;
(2) placing the uniformly dispersed mixture in the step (1) in a high-speed stirrer, and grinding at high speed for 2h at room temperature of 2000r/min to obtain base ink;
(3) mixing the base ink, 80 parts by weight of film-forming resin, 0.01 part by weight of flatting agent and 0.5 part by weight of wax emulsion at room temperature under the condition of 1000r/min, stirring for 0.5h, and uniformly mixing to obtain the high-performance ink for later use.
The light absorbing agent is nano Al/Al2O3The core-shell material is prepared by the following specific steps:
placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
The first adhesive layer is formed by a first adhesive, the first adhesive is composed of 80 parts by weight of viscous monomers, 10 parts by weight of cohesive monomers, 2 parts by weight of functional monomers, 5 parts by weight of functional auxiliaries, 0.2 part by weight of emulsifiers, 0.5 part by weight of initiators and 50 parts by weight of deionized water, and the preparation method specifically comprises the following steps:
(1) uniformly stirring and mixing viscous monomer ethyl acrylate, cohesive monomer methyl acrylate and functional monomer glycidyl (meth) acrylate at room temperature under the condition of 1000r/min for 0.5h to obtain a mixed monomer;
(2) reacting 31 parts by weight of mixed monomer, 2 parts by weight of functional assistant, 0.07 part by weight of emulsifier SDS and 0.2 part by weight of initiator ammonium persulfate at the temperature of 70 ℃ for 2 hours at the speed of 1500 r/min;
(3) and continuously dropwise adding the rest mixed monomer, the emulsifier and the initiator, heating to 80 ℃ after dropwise adding, preserving heat for 3 hours, cooling and discharging for later use.
The functional assistant is modified nano silicon dioxide, and the specific preparation method is as follows:
(1) mixing nano silicon dioxide and deionized water to prepare 6% aqueous suspension by mass, and stirring and dispersing for 10min under the condition of 2000 r/min;
(2) stirring and heating the suspension at 1500r/min to 60 ℃, stabilizing for 5min, and adding a silane coupling agent KH570 in an amount of 5% of the mass of the nano-silica;
(3) cooling the reaction liquid obtained in the step (2) to room temperature, carrying out vacuum filtration, placing the filter cake in a drying oven, drying for 6 hours at the temperature of 80 ℃, and crushing the dried filter cake to obtain a functional auxiliary agent for later use;
the reactions in the above steps (1) to (3) were carried out under an atmosphere of N2.
The preparation method of the black and black shading adhesive tape with strong viscosity and easy repair comprises the following steps:
(1) coating black ink layers on two surfaces of the PET transparent film, drying the PET transparent film in an oven, setting the temperature of the oven to be 60 ℃, and rolling to obtain a substrate layer;
(2) and respectively coating a first adhesive layer and a second adhesive layer on the upper surface and the lower surface of the substrate layer, drying, setting the temperature of an oven to be 60 ℃, attaching protective films on the two surfaces, rolling and slitting to obtain the black and black shading adhesive tape with strong viscosity and easy repair.
Example 2:
the ink layer is formed by water-based black ink, and the water-based black ink is prepared by the following specific preparation method:
(1) pre-dispersing 10 parts by weight of carbon black, 3 parts by weight of light absorbent, 80 parts by weight of deionized water, 20 parts by weight of dispersing agent and 0.03 part by weight of defoaming agent for 2 hours at room temperature under the condition of 1000 r/min;
(2) placing the uniformly dispersed mixture in the step (1) in a high-speed stirrer, and grinding at high speed for 4 hours at room temperature of 2000r/min to obtain base ink;
(3) mixing the base ink, 100 parts by weight of film-forming resin, 0.02 part by weight of flatting agent and 3 parts by weight of wax emulsion, stirring for 4 hours at room temperature under the condition of 1000r/min, and uniformly mixing to obtain the high-performance ink for later use.
The light absorbing agent is nano Al/Al2O3The core-shell material is prepared by the following specific steps:
placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 4 hours, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing the product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
The first adhesive layer is formed by a first adhesive, the first adhesive is composed of 100 parts by weight of viscous monomers, 30 parts by weight of cohesive monomers, 8 parts by weight of functional monomers, 10 parts by weight of functional auxiliaries, 2 parts by weight of emulsifiers, 3 parts by weight of initiators and 80 parts by weight of deionized water, and the preparation method comprises the following steps:
(1) uniformly stirring and mixing a viscous monomer butyl acrylate, a cohesive monomer vinyl acetate and a functional monomer N-hydroxymethyl acrylamide at room temperature under the condition of 1000r/min for 1h to obtain a mixed monomer;
(2) reacting 46 parts by weight of mixed monomer, 3 parts by weight of functional assistant, 0.7 part by weight of emulsifiers SDBS and OP-10 and 1 part by weight of initiator ammonium persulfate at the temperature of 90 ℃ for 2 hours at the speed of 1500 r/min;
(9) and continuously dropwise adding the rest mixed monomer, the emulsifier and the initiator, heating to 100 ℃ after dropwise adding, preserving the heat for 2 hours, cooling and discharging for later use.
The functional assistant is modified nano silicon dioxide, and the specific preparation method is as follows:
(1) mixing nano silicon dioxide and deionized water to prepare 10% aqueous suspension by mass, and stirring and dispersing for 30min under the condition of 2000 r/min;
(2) stirring and heating the suspension at 1500r/min to 60 ℃, stabilizing for 20min, and adding a silane coupling agent KH570, wherein the addition amount of the silane coupling agent KH is 10% of the mass of the nano silicon dioxide;
(3) cooling the reaction liquid obtained in the step (2) to room temperature, carrying out vacuum filtration, placing the filter cake in a drying oven, drying for 6 hours at the temperature of 80 ℃, and crushing the dried filter cake to obtain a functional auxiliary agent for later use;
the reactions in the above steps (1) to (3) were carried out under an atmosphere of N2.
The preparation method of the black and black shading adhesive tape with strong viscosity and easy repair comprises the following steps:
(1) coating black ink layers on two surfaces of the PET transparent film, drying the PET transparent film in an oven, setting the temperature of the oven to be 120 ℃, and rolling to obtain a substrate layer;
(2) and respectively coating a first adhesive layer and a second adhesive layer on the upper surface and the lower surface of the substrate layer and drying, setting the temperature of an oven to be 120 ℃, then attaching protective films on two surfaces, rolling and slitting to obtain the black and black shading adhesive tape with strong viscosity and easy repair.
Example 3:
the ink layer is formed by water-based black ink, and the water-based black ink is prepared by the following specific preparation method:
(1) pre-dispersing 10 parts by weight of carbon black, 5 parts by weight of light absorbent, 50 parts by weight of deionized water, 20 parts by weight of dispersing agent and 0.03 part by weight of defoaming agent for 2 hours at room temperature under the condition of 500 r/min;
(2) placing the uniformly dispersed mixture in the step (1) into a high-speed stirrer, and grinding at high speed for 4 hours at room temperature under the condition of 800r/min to obtain base ink;
(3) mixing the base ink, 80 parts by weight of film-forming resin, 0.02 part by weight of flatting agent and 5 parts by weight of wax emulsion, stirring for 4 hours at room temperature under the condition of 500r/min, and uniformly mixing to obtain the high-performance ink for later use.
The light absorbing agent is nano Al/Al2O3The core-shell material is prepared by the following specific steps:
placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 6 hours, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing the product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
The first adhesive layer is formed by a first adhesive, the first adhesive is composed of 80 parts by weight of viscous monomers, 10 parts by weight of cohesive monomers, 10 parts by weight of functional auxiliaries, 2 parts by weight of emulsifiers, 3 parts by weight of initiators and 50 parts by weight of deionized water, and the preparation method comprises the following steps:
(1) stirring and uniformly mixing a viscous monomer isooctyl acrylate, a cohesive monomer methyl acrylate, styrene and a functional monomer methacrylic acid for 1h at room temperature under the condition of 500r/min to obtain a mixed monomer;
(2) reacting 37 parts by weight of mixed monomer, 3 parts by weight of functional assistant, 0.7 part by weight of emulsifier OP-10 and 1 part by weight of initiator potassium persulfate at 70 ℃ for 2 hours under 800 conditions;
(3) and continuously dropwise adding the rest mixed monomer, the emulsifier and the initiator, heating to 80 ℃ after dropwise adding, preserving heat for 3 hours, cooling and discharging for later use.
The functional assistant is modified nano silicon dioxide, and the specific preparation method is as follows:
(1) mixing nano silicon dioxide and deionized water to prepare 10% aqueous suspension by mass percent, and stirring and dispersing for 30min under the condition of 1500 r/min;
(2) stirring and heating the suspension at 500r/min to 40 ℃, stabilizing for 20min, and adding a silane coupling agent KH570, wherein the addition amount accounts for 20% of the mass of the nano silicon dioxide;
(3) cooling the reaction liquid obtained in the step (2) to room temperature, carrying out vacuum filtration, placing the filter cake in a drying oven, drying for 24 hours at 50 ℃, and crushing the dried filter cake to obtain a functional auxiliary agent for later use;
the reactions in the above steps (1) to (3) were carried out under an atmosphere of N2.
The preparation method of the black and black shading adhesive tape with strong viscosity and easy repair comprises the following steps:
(1) coating black ink layers on two surfaces of the PET transparent film, drying the PET transparent film in an oven, setting the temperature of the oven to be 120 ℃, and rolling to obtain a substrate layer;
(2) and respectively coating a first adhesive layer and a second adhesive layer on the upper surface and the lower surface of the substrate layer and drying, setting the temperature of an oven to be 120 ℃, then attaching protective films on two surfaces, rolling and slitting to obtain the black and black shading adhesive tape with strong viscosity and easy repair.
Example 4:
the preparation method of the black and black shading adhesive tape with strong viscosity and easy repair is the same as that of the embodiment 2, except that the first adhesive does not contain a functional additive, and the ink layer does not contain a delustering agent.
Example 5:
the preparation method of the black and black shading adhesive tape with strong viscosity and easy repair is the same as that of the example 2, except that the first adhesive does not contain functional additives.
Example 6:
the preparation method of the black and black shading adhesive tape with strong viscosity and easy repair is the same as that of the embodiment 2, except that the ink layer does not contain the flatting agent.
Example 7:
the preparation method of the black and black shading adhesive tape with strong viscosity and easy repair is the same as that of the embodiment 2, except that the first adhesive is acrylic acid glue, and the ink layer is commercially available black ink.
The adhesive property test of the black and black shading adhesive tape with strong adhesiveness and easy repair refers to the national standard GB/T2792-1995; the high temperature resistance is that the sample is pasted on a 304SUS plate and is kept for 60min at 120 ℃; the light transmittance was measured by a U-3010 ultraviolet-visible spectrophotometer of Hitachi, Japan; and (4) randomly carrying out repair operation on the 10 assemblies to check whether the assemblies are damaged or not.
TABLE 1 Main Performance index of Black and Black shading tapes prepared in examples 1 to 7
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The black and black shading adhesive tape is characterized by comprising a first protective layer, a first adhesive layer, a base material layer, a second adhesive layer and a second protective layer which are sequentially stacked, wherein the base material layer is a PET (polyethylene terephthalate) transparent film with a black ink layer coated on two sides, and black are coated on the base material layerThe ink layer is formed by water-based black ink, the water-based black ink is prepared by 80-100 parts by weight of film-forming resin, 2-10 parts by weight of carbon black, 1-5 parts by weight of light absorbing agent, 5-20 parts by weight of dispersing agent, 0.01-0.02 part by weight of flatting agent, 0.01-0.03 part by weight of defoaming agent, 0.5-5 parts by weight of wax emulsion and 50-80 parts by weight of deionized water, and the light absorbing agent is nano Al/Al2O3A core-shell material, a composite material,
the first adhesive layer is formed by a first adhesive, the first adhesive is prepared by 80-100 parts by weight of viscous monomer, 10-30 parts by weight of cohesive monomer, 2-10 parts by weight of functional monomer, 5-10 parts by weight of functional auxiliary agent, 0.2-2 parts by weight of emulsifier, 0.5-3 parts by weight of initiator and 50-80 parts by weight of deionized water,
the viscous monomer is one or more of ethyl acrylate, butyl acrylate and isooctyl acrylate; the cohesive monomer is one or more of methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate and n-butyl methacrylate; the functional monomer is one or more of glycidyl (meth) acrylate, N-methylolacrylamide and methacrylic acid, the functional auxiliary agent is modified nano silicon dioxide,
the modified nano-silica is prepared according to the following method:
in N2Under the atmosphere, mixing the nano silicon dioxide and deionized water to prepare 6-10% of water suspension by mass fraction, and stirring and dispersing for 10-30min under the conditions of 1500-2000r/min to obtain suspension;
stirring and heating the suspension at the temperature of between 40 and 60 ℃ under the condition of 1500r/min, stabilizing the suspension for 5 to 20min, and adding a silane coupling agent KH570 into the suspension, wherein the addition amount of the silane coupling agent KH is 5 to 20 percent of the mass of the nano silicon dioxide;
cooling to room temperature, vacuum-filtering, drying the filter cake in a drying oven at 50-80 deg.C for 6-24h, and pulverizing the dried filter cake to obtain modified nano-silica.
2. The black and black masking tape of claim 1, wherein the nano Al/Al is2O3The core-shell material is prepared according to the following method:
placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1-6h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
3. The black and black masking tape of claim 1, wherein the second adhesive layer is formed of a second adhesive, the second adhesive being an acrylic adhesive.
4. The black and black masking tape of claim 1, wherein the first and second protective layers are each independently a transparent film of PET.
5. The preparation method of the black and black shading adhesive tape is characterized by comprising the following steps:
coating black ink layers on two surfaces of a PET transparent film, drying the PET transparent film in an oven at the temperature of 60-110 ℃, and rolling the PET transparent film to obtain a substrate layer, wherein the black ink layer is formed by water-based black ink, the water-based black ink is prepared from 80-100 parts by weight of film-forming resin, 2-10 parts by weight of carbon black, 1-5 parts by weight of light absorbent, 5-20 parts by weight of dispersing agent, 0.01-0.02 part by weight of flatting agent, 0.01-0.03 part by weight of defoaming agent, 0.5-5 parts by weight of wax emulsion and 50-80 parts by weight of deionized water, and the light absorbent is nano Al/Al2O3Core-shell materials;
respectively coating a first adhesive layer and a second adhesive layer on the upper surface and the lower surface of the substrate layer, drying, setting the temperature of an oven to be 60-110 ℃, respectively attaching protective films on the two surfaces to form a first protective layer and a second protective layer, rolling, slitting to obtain the black and black shading adhesive tape with strong viscosity and easy repair,
the first adhesive layer is formed by a first adhesive, the first adhesive is prepared by 80-100 parts by weight of viscous monomer, 10-30 parts by weight of cohesive monomer, 2-10 parts by weight of functional monomer, 5-10 parts by weight of functional auxiliary agent, 0.2-2 parts by weight of emulsifier, 0.5-3 parts by weight of initiator and 50-80 parts by weight of deionized water,
the viscous monomer is one or more of ethyl acrylate, butyl acrylate and isooctyl acrylate; the cohesive monomer is one or more of methyl acrylate, methyl methacrylate, vinyl acetate, styrene, acrylonitrile, ethyl methacrylate and n-butyl methacrylate; the functional monomer is one or more of glycidyl (meth) acrylate, N-methylolacrylamide and methacrylic acid, the functional auxiliary agent is modified nano silicon dioxide,
the modified nano-silica is prepared according to the following method:
in N2Under the atmosphere, mixing the nano silicon dioxide and deionized water to prepare 6-10% of water suspension by mass fraction, and stirring and dispersing for 10-30min under the conditions of 1500-2000r/min to obtain suspension;
stirring and heating the suspension at the temperature of between 40 and 60 ℃ under the condition of 1500r/min, stabilizing the suspension for 5 to 20min, and adding a silane coupling agent KH570 into the suspension, wherein the addition amount of the silane coupling agent KH is 5 to 20 percent of the mass of the nano silicon dioxide;
cooling to room temperature, vacuum-filtering, drying the filter cake in a drying oven at 50-80 deg.C for 6-24h, and pulverizing the dried filter cake to obtain modified nano-silica.
6. The method of claim 5, wherein the nano Al/Al is2O3The core-shell material is prepared according to the following method:
placing aluminum chloride and metal lithium in an inert gas glove box, performing sand milling reaction for 1-6h, wherein the molar ratio of the aluminum chloride to the metal lithium is 3:1, washing a product for multiple times by using an organic solvent after the reaction is finished, and placing the product in air to obtain Al/Al2O3A core-shell material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536364.XA CN108841335B (en) | 2018-05-30 | 2018-05-30 | Black black shading adhesive tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536364.XA CN108841335B (en) | 2018-05-30 | 2018-05-30 | Black black shading adhesive tape and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108841335A CN108841335A (en) | 2018-11-20 |
| CN108841335B true CN108841335B (en) | 2021-03-26 |
Family
ID=64209996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810536364.XA Active CN108841335B (en) | 2018-05-30 | 2018-05-30 | Black black shading adhesive tape and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108841335B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143394B (en) * | 2019-06-28 | 2022-02-11 | 浙江欧仁新材料有限公司 | Fingerprint-proof adhesive tape for wireless charger |
| CN115124936B (en) * | 2019-06-28 | 2024-03-12 | 浙江欧仁新材料有限公司 | Manufacturing process of shading adhesive tape |
| CN112322108A (en) * | 2020-11-19 | 2021-02-05 | 东莞市古川胶带有限公司 | Low-transfer black ink resin, preparation method thereof and industrial adhesive tape |
| CN114561161A (en) * | 2021-12-20 | 2022-05-31 | 苏州萍升源电子科技有限公司 | High-sealing-performance composite multifunctional adhesive tape |
| CN114149758B (en) * | 2021-12-22 | 2023-08-15 | 太仓金煜电子材料有限公司 | Low-shrinkage ultrathin adhesive tape, preparation method thereof and keyboard |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655119A (en) * | 2011-03-04 | 2012-09-05 | 日东电工株式会社 | Method for manufacturing thin-film substrate |
| CN103772846A (en) * | 2012-10-25 | 2014-05-07 | 苏州德亮材料科技有限公司 | PVC (Polyvinyl Chloride) cable sheath material and preparation method thereof |
| CN107216822A (en) * | 2017-05-17 | 2017-09-29 | 苏州珏美光电材料科技有限公司 | A kind of ultra-narrow frame shading rubber belt, shading two-sided tape and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6075978B2 (en) * | 2012-06-25 | 2017-02-08 | 日東電工株式会社 | Adhesive film |
-
2018
- 2018-05-30 CN CN201810536364.XA patent/CN108841335B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655119A (en) * | 2011-03-04 | 2012-09-05 | 日东电工株式会社 | Method for manufacturing thin-film substrate |
| CN103772846A (en) * | 2012-10-25 | 2014-05-07 | 苏州德亮材料科技有限公司 | PVC (Polyvinyl Chloride) cable sheath material and preparation method thereof |
| CN107216822A (en) * | 2017-05-17 | 2017-09-29 | 苏州珏美光电材料科技有限公司 | A kind of ultra-narrow frame shading rubber belt, shading two-sided tape and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| "纳米金属粒子光吸收理论研究进展";彭亚晶 等;《光散射学报》;20100615;第22卷(第2期);第124-132页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108841335A (en) | 2018-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108841335B (en) | Black black shading adhesive tape and preparation method thereof | |
| CN102153953B (en) | Photocurable adhesive composition | |
| CN108717239B (en) | Easy-to-heat-erase liquid crystal film writing board and preparation method thereof | |
| CN103357346B (en) | Pigment dispersing agent, pigment dispersion liquid, colorized photoresist, and preparation and application thereof | |
| CN108864969B (en) | Black black shading adhesive tape and preparation method thereof | |
| CN105315881B (en) | Applied to the release coating of efficient anti-sticking UV of pressure sensitive adhesive and its preparation, application | |
| CN103582685A (en) | Adhesive composition, adhesive layer, and adhesive sheet | |
| CN102492379A (en) | Fog-resistant aqueous pressure-sensitive adhesive and polyethylene protection film containing same | |
| CN103298898A (en) | Adhesive composition | |
| JP6522993B2 (en) | Double-sided black adhesive tape | |
| CN106554650B (en) | Side shading glue and frame-free displaying device | |
| CN109536051A (en) | A kind of low dielectric OCA optical cement, optical adhesive film and its membrane preparation method | |
| CN102559121A (en) | Ultraviolet (UV)/moisture dual-cured laminated adhesive and preparation method thereof | |
| CN114806418A (en) | Preparation and application of OCA (optical clear adhesive) optical cement for touch screen | |
| WO2014065126A1 (en) | Transparent double-sided adhesive sheet and image display device using same | |
| CN107216822A (en) | A kind of ultra-narrow frame shading rubber belt, shading two-sided tape and preparation method thereof | |
| CN103998553A (en) | Adhesive, adhesive layer, and adhesive sheet | |
| CN114410157B (en) | Alignment coating liquid and application thereof | |
| TW201937760A (en) | Color conversion film, method for manufacturing color conversion film, back light unit and display appratus comprising the same | |
| CN108774474B (en) | PET (polyethylene terephthalate) protective film and preparation method thereof | |
| CN109423299A (en) | A kind of polymer dispersion liquid crystal material and preparation method thereof | |
| CN114058277A (en) | Laser etching adhesive tape film for identification card and preparation method thereof | |
| CN110791211A (en) | Full-shading PET base film double-sided adhesive tape and preparation method thereof | |
| CN109913157B (en) | Preparation method of environment-friendly organic silicon-acrylate adhesive with light diffusion function, product and application thereof | |
| CN110634976A (en) | Transparent easy-bonding polycarbonate solar cell backboard with grid structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |