WO2020258699A1 - Ruban anti-empreinte digitale pour un chargeur sans fil - Google Patents

Ruban anti-empreinte digitale pour un chargeur sans fil Download PDF

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Publication number
WO2020258699A1
WO2020258699A1 PCT/CN2019/120163 CN2019120163W WO2020258699A1 WO 2020258699 A1 WO2020258699 A1 WO 2020258699A1 CN 2019120163 W CN2019120163 W CN 2019120163W WO 2020258699 A1 WO2020258699 A1 WO 2020258699A1
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WO
WIPO (PCT)
Prior art keywords
layer
parts
black ink
fingerprint
tape
Prior art date
Application number
PCT/CN2019/120163
Other languages
English (en)
Chinese (zh)
Inventor
夏厚君
潘华
涂大记
杨晓明
向建军
Original Assignee
浙江欧仁新材料有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江欧仁新材料有限公司 filed Critical 浙江欧仁新材料有限公司
Publication of WO2020258699A1 publication Critical patent/WO2020258699A1/fr

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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
    • 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
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • 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
    • 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
    • C09J2467/006—Presence of polyester in the substrate

Definitions

  • the invention belongs to the technical field of adhesive tapes, and in particular relates to an anti-fingerprint adhesive tape for wireless chargers.
  • Wireless charging technology also known as inductive charging and non-contact charging, is a new type of charging technology derived from wireless power transmission technology.
  • Wireless charging technology has developed rapidly in recent years, but it has also encountered many technical problems, such as improving charging efficiency, reducing costs, and the effective charging distance is too short.
  • electromagnetic shielding film is required for shielding.
  • the function of the electromagnetic shielding film is to insulate the electromagnetic field from the influence of the mobile phone, and prevent materials such as metals from absorbing the electromagnetic waves emitted by the transmitting end device and generating a magnetic field in the opposite direction.
  • the wireless charging device cannot complete the short-distance charging work.
  • the electromagnetic shielding film needs to be fixed on the interference source with tape.
  • this kind of tape does not have anti-fingerprint performance.
  • the fingerprint traces left after repeated use will not only affect the appearance, but also have a certain impact on the performance of the film. Therefore, how to develop an anti-fingerprint adhesive tape has become a direction for those skilled in the art.
  • the purpose of the present invention is to provide an anti-fingerprint adhesive tape for wireless chargers.
  • the anti-fingerprint adhesive tape for wireless chargers has anti-fingerprint performance. It will not leave fingerprint traces after repeated use in various environments and can avoid fingerprints. Sweat stains corrode the tape.
  • an anti-fingerprint adhesive tape for wireless chargers comprising a black ink layer, a substrate layer and an adhesive layer, the black ink layer and the adhesive layer are respectively Located on the upper surface and the lower surface of the substrate layer, a release layer is provided on the side of the adhesive layer opposite to the substrate layer;
  • the black ink layer is obtained by drying the black ink, and the black ink is composed of the following components by weight:
  • the light absorbing agent is selected from nano Al/Al 2 O 3 core-shell materials, nano nickel powder or nickel powder/carbon nanotube composite.
  • the coupling agent is selected from one of coupling agent KH-580, coupling agent KH-561, and coupling agent KBM403.
  • the substrate layer is a PET polyester film of 2 to 4 ⁇ m.
  • the thickness of the black ink layer is 1 to 2 ⁇ m.
  • the present invention has the following advantages compared with the prior art:
  • the anti-fingerprint adhesive tape of the present invention is used for wireless chargers, which is achieved by adding polyethyleneimine, octadecane to water-based polyurethane, carbon black and 1,1',1"-methine tris(4-isocyanate)benzene.
  • Alkyl dimethyl benzyl ammonium chloride makes the anti-fingerprint tape of the present invention have anti-fingerprint performance, and will not leave fingerprint traces after repeated use in various environments, and can avoid the corrosion of the tape caused by fingerprint sweat stains; Enhance the dirt resistance performance of the anti-fingerprint tape of the present invention, that is, the dirt on the tape can be easily wiped off after a period of time in a high-temperature and high-humidity environment without residue, which not only reduces the adhesion of stains, but also greatly reduces the cleaning Difficulty.
  • Fig. 1 is a schematic diagram of the structure of the anti-fingerprint adhesive tape used in the wireless charger of the present invention.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a connection. Electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • Embodiments 1 to 4 An anti-fingerprint adhesive tape for wireless chargers, comprising a black ink layer 1, a substrate layer 2, and an adhesive layer 3.
  • the black ink layer 1 and the adhesive layer 3 are respectively located on the base
  • a release layer 4 is provided on the side of the adhesive layer 3 opposite to the substrate layer 2;
  • the black ink layer 1 is obtained by drying the black ink, which is composed of the following parts by weight, as shown in Table 1:
  • Example 1 Example 2
  • Example 3 Waterborne polyurethane 60 servings 75 servings 80 servings 65 servings Carbon black 1 serving 5 servings 3 copies 2 servings 1,1’,1"-methine tris(4-isocyanate)benzene 1.5 servings 2 servings 1 serving 5 servings Sodium silicate 1.5 servings 1.2 copies 1 serving 1.3 servings Carboxymethyl cellulose 1.2 copies 1.5 servings 1.4 copies 1 serving sodium tripolyphosphate 0.1 part 0.2 parts 0.3 copies 0.25 serving Polyethyleneimine 1 serving 5 servings 3 copies 2 servings Octadecyl dimethyl benzyl ammonium chloride 2 servings 0.5 serving 1 serving 1.5 servings Light absorber 2 servings 3 copies 2.5 servings 4 parts Coupling agent 1 serving 0.5 serving 0.8 copies 1.5 servings Chitosan 0.8 copies 0.6 copies 0.5 serving 1 serving Deionized water 18 servings 25 servings 15 servings 16 servings
  • the light absorbing agent is selected from nano Al/Al 2 O 3 core-shell materials
  • the coupling agent is selected from coupling agent KH-580
  • the substrate layer 2 is a 2 ⁇ m thick PET layer
  • the black ink layer 1 is The thickness is 1 ⁇ m.
  • the light absorbing agent is selected from nano-nickel powder
  • the coupling agent is selected from the coupling agent KBM403
  • the substrate layer 2 is a 2.5 ⁇ m thick PET layer
  • the thickness of the black ink layer 1 is 1.3 ⁇ m.
  • Example 3 the light absorbing agent was selected from the nickel powder/carbon nanotube composite, the above coupling agent was selected from the coupling agent KH-561, the above substrate layer 2 was a 4 ⁇ m thick PET layer, and the above black ink layer 1 had a thickness of 2 ⁇ m.
  • the light absorbing agent is selected from nickel powder/carbon nanotube composites
  • the above coupling agent is selected from coupling agent KH-580
  • the above substrate layer 2 is a 3.5 ⁇ m thick PET layer
  • the thickness of the above black ink layer 1 It is 1.5 ⁇ m.
  • the preparation method of the anti-fingerprint adhesive tape for wireless chargers is as follows: 60 to 80 parts of water-based polyurethane, 15 to 25 parts of deionized water, 1 to 5 parts of 1,1',1"-methine tris(4- Isocyanic acid) benzene, 0.01 to 0.03 parts of sodium tripolyphosphate, 1 to 5 parts of carbon black, 1 to 1.5 parts of sodium silicate, 1 to 5 parts of polyethyleneimine, 0.5 to 2 parts of octadecyl dimethyl Benzyl ammonium chloride, 0.5 to 1.5 parts of coupling agent, 1 to 1.5 parts of carboxymethyl cellulose, 2 to 4 parts of light absorbing agent, 0.5 to 1 part of chitosan are added to the high-speed stirring dispersant for stirring, and the mixture is evenly mixed.
  • Get black ink 60 to 80 parts of water-based polyurethane, 15 to 25 parts of deionized water, 1 to 5 parts of 1,1',1"-methine tris
  • the black ink is coated on the substrate layer 2 and dried to obtain an anti-fingerprint tape for wireless chargers.
  • Comparative examples 1 to 2 An anti-fingerprint adhesive tape for wireless chargers, comprising a black ink layer 1, a base material layer 2, and an adhesive layer 3.
  • the black ink layer 1 and the adhesive layer 3 are respectively located on the base
  • a release layer 4 is provided on the side of the adhesive layer 3 opposite to the substrate layer 2;
  • the black ink layer 1 is obtained by drying the black ink, which is composed of the following parts by weight, as shown in Table 2:
  • Component Comparative example 1 Comparative example 2 Waterborne polyurethane 60 servings 80 servings Carbon black 1 serving 5 servings 1,1’,1"-methine tris(4-isocyanate)benzene 1.8 servings 2 servings Sodium silicate 1.5 servings 1.2 copies Carboxymethyl cellulose 1.2 copies 1.5 servings sodium tripolyphosphate 0.1 part 0.2 parts Polyethyleneimine - 5 servings Octadecyl dimethyl benzyl ammonium chloride 2 servings - Light absorber 2.5 servings 3 copies Coupling agent 0.8 copies 0.5 serving Chitosan 0.8 copies 0.6 copies Deionized water 18 servings 20 servings
  • the preparation method of the comparative example is the same as that of the embodiment.
  • the light absorbing agent is selected from nano Al/Al 2 O 3 core-shell materials
  • the above coupling agent is selected from the coupling agent KH-580
  • the above substrate layer 2 is a 2 ⁇ m thick PET layer
  • the above black ink layer 1 The thickness is 1 ⁇ m.
  • the light absorbing agent is selected from nano-nickel powder
  • the coupling agent is selected from the coupling agent KBM403
  • the substrate layer 2 is a 2.5 ⁇ m thick PET layer
  • the thickness of the black ink layer 1 is 1.3 ⁇ m.
  • the test method is as follows:
  • Anti-fingerprint test Press 10 times with your finger on the black ink layer to observe the appearance of the black ink layer.
  • the meanings of the relevant symbols in Table 3 are as follows:
  • Dirt resistance test Use a ZEBRA oil-based pen.
  • the oil-based pen is at an angle of about 90° with the surface of the film. Apply a force of about 1N to draw 5 10mm handwritings on the surface of the film at a constant speed, and then place the sample at a temperature of 60°C. Keep it in an environment with a humidity of 95% for 2 hours. After taking it out, wipe the surface with alcohol. If there is no trace on the surface of the sample, it is qualified.
  • the anti-fingerprint adhesive tape used in the wireless charger of the embodiment has excellent anti-fingerprint performance, no traces will remain under the condition of multiple finger presses, and the dirt on the tape is high at high temperature. It can be easily wiped off without leaving residue for a period of time in a wet environment, while the anti-fingerprint performance of Comparative Example 1 is relatively poor, and the dirt-resistant performance of Comparative Example 2 is even worse; it can be seen that the present invention not only improves the anti-fingerprint performance, but also makes The anti-fingerprint tape for the wireless charger enhances the stain resistance, that is, the dirt on the tape can be easily wiped off after a period of time in a high temperature and high humidity environment without residue, which not only reduces the adhesion of stains, but also greatly reduces Difficulty in cleaning.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un adhésif anti-empreinte digitale pour un chargeur sans fil, comprenant une couche d'encre noire, une couche de substrat et une couche adhésive, la couche d'encre noire et la couche adhésive étant situées respectivement sur la surface supérieure et la surface inférieure de la couche de substrat, une couche antiadhésive étant disposée sur le côté de la couche adhésive à l'opposé de la couche de substrat ; la couche d'encre noire étant obtenue par séchage de l'encre noire, cette encre noire étant composée des parties suivantes, en poids : 60-80 parties de polyuréthane aqueux, 1-5 parties de noir de carbone, 1-5 parties de 1,1',1''-méthylidynetris(4-isocyanatobenzène), 1-1,5 partie de silicate de sodium, 1-1,5 partie de carboxyméthylcellulose, 0,1-0,3 partie de tripolyphosphate de sodium, 1-5 parties de polyéthylène-imine, 0,5-2 parties de chlorure d'octadécyldiméthylbenzylammonium, 2-4 parties d'absorbeur de lumière, 0,5-1,5 partie d'agent de couplage, 0,5-1 partie de chitosane, 15-25 parties d'eau désionisée. Le ruban anti-empreinte digitale pour chargeur sans fil de la présente invention présente des performances anti-empreinte digitale et ne laisse pas de traces d'empreinte digitale après une utilisation répétée dans divers environnements, ce qui permet d'éviter la corrosion du ruban provoquée par les empreintes digitales et les taches de sueur.
PCT/CN2019/120163 2019-06-28 2019-11-22 Ruban anti-empreinte digitale pour un chargeur sans fil WO2020258699A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910571326.2A CN112143394B (zh) 2019-06-28 2019-06-28 用于无线充电器的防指纹胶带
CN201910571326.2 2019-06-28

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WO2020258699A1 true WO2020258699A1 (fr) 2020-12-30

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CN (4) CN115260932B (fr)
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN115181509A (zh) * 2022-08-15 2022-10-14 江苏伊诺尔新材料科技有限公司 一种超柔软新型pi复合胶带的制作方法
CN115820139A (zh) * 2022-12-14 2023-03-21 江苏伊诺尔新材料科技有限公司 一种适用于无线充电领域的磁导双面胶带
CN116075059A (zh) * 2023-02-27 2023-05-05 健鼎（湖北）电子有限公司 一种pcb钻孔用的涂层铝片及其制备方法

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CN202808685U (zh) * 2012-08-31 2013-03-20 斯迪克新型材料（江苏）有限公司 抗刮型遮光反射贴膜
CN104277198A (zh) * 2014-10-25 2015-01-14 朱蕾 一种石墨烯基导电阻燃型水性聚氨酯涂料和胶黏剂的制备方法
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CN109294326A (zh) * 2018-09-21 2019-02-01 楼乐超 一种疏水型水性聚氨酯油墨及其制备工艺
CN109679476A (zh) * 2018-12-28 2019-04-26 上海乘鹰新材料有限公司 用于Indigo印刷的PET膜面水性清漆及制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115181509A (zh) * 2022-08-15 2022-10-14 江苏伊诺尔新材料科技有限公司 一种超柔软新型pi复合胶带的制作方法
CN115820139A (zh) * 2022-12-14 2023-03-21 江苏伊诺尔新材料科技有限公司 一种适用于无线充电领域的磁导双面胶带
CN116075059A (zh) * 2023-02-27 2023-05-05 健鼎（湖北）电子有限公司 一种pcb钻孔用的涂层铝片及其制备方法

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CN114828603A (zh) 2022-07-29
CN112143394A (zh) 2020-12-29
CN112143394B (zh) 2022-02-11
CN115260932B (zh) 2024-02-20
CN115260932A (zh) 2022-11-01
CN114716929A (zh) 2022-07-08

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