WO2019200795A1 - 一种单层铝塑复合膜导电胶带 - Google Patents

一种单层铝塑复合膜导电胶带 Download PDF

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WO2019200795A1
WO2019200795A1 PCT/CN2018/101623 CN2018101623W WO2019200795A1 WO 2019200795 A1 WO2019200795 A1 WO 2019200795A1 CN 2018101623 W CN2018101623 W CN 2018101623W WO 2019200795 A1 WO2019200795 A1 WO 2019200795A1
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layer
aluminum
plastic composite
pet
ink
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PCT/CN2018/101623
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English (en)
French (fr)
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黄新波
姜欣
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南通康尔乐复合材料有限公司
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives 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
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/314—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive layer and/or the carrier being conductive

Definitions

  • the invention relates to the technical field of conductive tapes, in particular to a single-layer aluminum-plastic composite film conductive tape.
  • Conductive tape is a kind of metal foil or conductive cloth with high conductive backing.
  • the conductive backing and conductive substrate form a complete electrical conductor, which can be bonded to any metal surface to complete electrical bonding and electrical sealing of the gap.
  • Shielding conductive tape is an economical and easy to use shielding material. Used to seal EMI shielding chambers, joints between housings and electronics, and to wrap cables for shielding, providing a reliable grounded surface that provides electrical contact to surfaces that cannot be soldered.
  • the existing conductive tape has low tear resistance, poor electrical conductivity and short service life, which is not suitable for long-term use.
  • An object of the present invention is to provide a single-layer aluminum-plastic composite film conductive tape to solve the problems set forth in the above background art.
  • a single-layer aluminum-plastic composite film conductive tape comprising a substrate layer, the substrate layer comprising an AL layer, a composite adhesive layer, an ink layer, a PET layer, and an alcohol resistant layer
  • a pressure-sensitive adhesive layer a composite adhesive layer is disposed on the upper surface of the AL layer
  • a pressure sensitive adhesive layer is disposed on the lower surface of the AL layer
  • an ink layer is adhered on the upper surface of the composite adhesive layer
  • the upper surface of the PET layer is provided with alcohol resistance Floor.
  • the ink layer is composed of 70% acrylic resin, 20% carbon black, and 5% isocyanate.
  • the substrate layer has an overall thickness of 0.02 mm to 0.06 mm.
  • the manufacturing process comprises the following steps:
  • the PET layer is printed on one side with a black ink to form a black PET film;
  • step B the aluminum-plastic composite layer obtained in step B is matured, the curing temperature is 45 ° C -50 ° C, the time is 24h-72h;
  • the PET surface of the aged aluminum-plastic composite layer is coated with an alcohol resistant layer;
  • step E the material layer obtained in step D is matured, the curing temperature is 40 ° C -45 ° C, the time is 24h-28h;
  • a layer of black conductive voltage sensitive adhesive layer is bonded on the aluminum foil surface of the aluminum-plastic composite layer to form a conductive tape.
  • the invention has the advantages that the structure of the invention is simple, the manufacturing cost is low, the prepared conductive tape has good electrical conductivity and tear resistance, and has a long service life; wherein the ink layer can be provided Enhance the electromagnetic shielding performance of the conductive tape.
  • Figure 1 is a cross-sectional view showing the entire structure of the present invention.
  • the present invention provides a technical solution: a single-layer aluminum-plastic composite film conductive tape, comprising a substrate layer, the substrate layer comprising an AL layer 1, a composite adhesive layer 2, a PET layer 3, and an ink layer. 4, the alcohol-resistant layer 5 and the pressure-sensitive adhesive layer 6, the upper layer of the AL layer 1 is provided with a composite adhesive layer 2, the lower surface of the AL layer 1 is provided with a pressure-sensitive adhesive layer 6, and the surface of the composite adhesive layer 2 is bonded
  • the ink layer 4 is provided with an alcohol-resistant layer 5 on the upper surface of the PET layer 3.
  • the ink layer 4 is composed of 70% acrylic resin, 25% carbon black, and 5% isocyanate.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the overall thickness of the substrate layer was 0.025 mm.
  • the PET layer is printed on one side with a black ink to form a black PET film;
  • step B the aluminum-plastic composite layer obtained in step B is matured, the aging temperature is 45 ° C, the time is 72h;
  • the PET surface of the aged aluminum-plastic composite layer is coated with an alcohol resistant layer;
  • step E the material layer obtained in step D is matured, the aging temperature is 45 ° C, the time is 24h;
  • a layer of black conductive voltage sensitive adhesive layer is bonded on the aluminum foil surface of the aluminum-plastic composite layer to form a conductive tape.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the overall thickness of the substrate layer was 0.02 mm.
  • A, the AL layer, the composite adhesive layer and the PET layer are combined to form a bright surface layer
  • step B the bright surface layer obtained in step A is matured, the curing temperature is 50 ° C, the time is 72h;
  • step D the material layer obtained in step C is matured, the aging temperature is 45 ° C, the time is 24h;
  • step D compounding an alcohol-resistant layer on the upper surface of the cured material layer obtained in step D;
  • a laminated rubber layer is adhered to the lower surface of the bright surface layer to form a conductive tape.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the overall thickness of the substrate layer was 0.024 mm.
  • the PET layer is printed on one side of the black ink to form a black PET film;
  • step B the aluminum-plastic composite layer obtained in step B is matured, the aging temperature is 45 ° C, the time is 72h;
  • a layer of black conductive voltage sensitive adhesive layer is bonded on the aluminum foil surface of the aluminum-plastic composite layer to form a conductive tape.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the overall thickness of the substrate layer was 0.03 mm.
  • the PET layer is printed on one side with a black ink to form a black PET film;
  • step B the aluminum-plastic composite layer obtained in step B is matured, the aging temperature is 50 ° C, the time is 72h;
  • the PET surface of the aged aluminum-plastic composite layer is coated with an alcohol resistant layer;
  • step E the material layer obtained in step D is matured, the aging temperature is 45 ° C, the time is 28 h;
  • a layer of black conductive voltage sensitive adhesive layer is bonded on the aluminum foil surface of the aluminum-plastic composite layer to form a conductive tape.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the overall thickness of the substrate layer was 0.035 mm.
  • A, the AL layer, the composite adhesive layer and the PET layer are combined to form a bright surface layer
  • step B the bright surface layer obtained in step A is matured, the curing temperature is 50 ° C, the time is 72h;
  • step D the material layer obtained in step C is matured, the aging temperature is 45 ° C, the time is 24h;
  • step D compounding an alcohol-resistant layer on the upper surface of the cured material layer obtained in step D;
  • a laminated rubber layer is adhered to the lower surface of the bright surface layer to form a conductive tape.
  • the overall thickness of the substrate layer was 0.035 mm.
  • the PET layer is printed on one side with a black ink to form a black PET film;
  • step B the aluminum-plastic composite layer obtained in step B is matured, the aging temperature is 50 ° C, the time is 72h;
  • the PET surface of the aged aluminum-plastic composite layer is coated with an alcohol resistant layer;
  • step E the material layer obtained in step D is matured, the aging temperature is 45 ° C, the time is 28 h;
  • a layer of black conductive voltage sensitive adhesive layer is bonded on the aluminum foil surface of the aluminum-plastic composite layer to form a conductive tape.
  • Embodiment 1 0.042 twenty three Embodiment 2 0.035 twenty two Embodiment 3 0.040 twenty one Embodiment 4 0.039 19 Embodiment 5 0.037 twenty four Embodiment 6 0.034 twenty four
  • the invention has simple structure and low manufacturing cost, and the prepared conductive tape has good electrical conductivity and tear resistance and long service life; wherein the provided ink layer can enhance the electromagnetic shielding performance of the conductive tape.

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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)
  • Laminated Bodies (AREA)

Abstract

本发明公开了一种单层铝塑复合膜导电胶带，包括基材层，所述基材层包括AL层、复合胶层、油墨层、PET层、耐酒精层和压敏胶层，所述AL层上表面设置复合胶层，所述AL层下表面设置压敏胶层，所述复合胶层上表面粘接油墨层，所述PET层上表面设置耐酒精层。本发明结构简单，制作成本低，制得的导电胶带具有良好的导电性能和抗撕裂性能，使用寿命长。

Description

一种单层铝塑复合膜导电胶带 技术领域
本发明涉及导电胶带技术领域，具体为一种单层铝塑复合膜导电胶带。
背景技术
导电胶带是一种带高导电背胶的金属箔或导电布，其导电背胶和导电基材组成完整的导电体，可以与任何金属面以粘接方式，完成电搭接和缝隙的电封闭。屏蔽导电胶带是经济实惠,使用方便的屏蔽材料。用于密封EMI屏蔽室，壳体和电子设备的接缝，缠绕电缆进行屏蔽，提供可靠的接地表面，对不能焊接的表面提供电接触。现有的导电胶带抗撕裂性能低，导电性能差，使用寿命短，不利于长期使用。
发明内容
本发明的目的在于提供一种单层铝塑复合膜导电胶带，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种单层铝塑复合膜导电胶带,包括基材层，所述基材层包括AL层、复合胶层、油墨层、PET层、耐酒精层和压敏胶层，所述AL层上表面设置复合胶层，所述AL层下表面设置压敏胶层，所述复合胶层上表面粘接油墨层，所述PET层上表面设置耐酒精层。
优选的，所述油墨层由70％丙烯酸树脂、20％炭黑、5％异氰酸酯组成。
优选的，所述基材层整体厚度为0.02mm-0.06mm。
优选的，其制作工艺包括以下步骤：
A、将PET层单面印刷黑色油墨，形成黑色PET薄膜；
B、将AL层、复合胶层和印刷黑色油墨的PET层的油墨面复合，形成目视黑色亮面铝塑复合层；
C、将步骤B得到的铝塑复合层进行熟化处理，熟化温度为45℃-50℃， 时间为24h-72h；
D、之后在熟化后的铝塑复合层的PET表面涂上耐酒精层；
E、将步骤D得到的材料层进行熟化处理，熟化温度为40℃-45℃，时间为24h-28h；
F、最后在铝塑复合层的铝箔面粘接一层黑色导电压敏胶层，最终形成导电胶带。
与现有技术相比，本发明的有益效果是：本发明结构简单，制作成本低，制得的导电胶带具有良好的导电性能和抗撕裂性能，使用寿命长；其中，设置的油墨层能够增强导电胶带的电磁屏蔽性能。
附图说明
图1为本发明整体结构剖视图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，本发明提供一种技术方案：一种单层铝塑复合膜导电胶带,包括基材层，所述基材层包括AL层1、复合胶层2、PET层3、油墨层4、耐酒精层5和压敏胶层6，所述AL层1上表面设置复合胶层2，所述AL层1下表面设置压敏胶层6，所述复合胶层2上表面粘接油墨层4，所述PET层3上表面设置耐酒精层5。其中，油墨层4由70％丙烯酸树脂、25％炭黑、5％异氰酸酯组成。
实施例一：
基材层整体厚度为0.025mm。
本实施例的制作工艺包括以下步骤：
A、将PET层单面印刷黑色油墨，形成黑色PET薄膜；
B、将AL层、复合胶层和印刷黑色油墨的PET层的油墨面复合，形成目视黑色亮面铝塑复合层；
C、将步骤B得到的铝塑复合层进行熟化处理，熟化温度为45℃，时间为72h；
D、之后在熟化后的铝塑复合层的PET表面涂上耐酒精层；
E、将步骤D得到的材料层进行熟化处理，熟化温度为45℃，时间为24h；
F、最后在铝塑复合层的铝箔面粘接一层黑色导电压敏胶层，最终形成导电胶带。
实施例二：
基材层整体厚度为0.02mm。
本实施例的制作工艺包括以下步骤：
A、将AL层、复合胶层和PET层复合形成亮面层；
B、将步骤A得到的亮面层进行熟化处理，熟化温度为50℃，时间为72h；
C、之后在熟化后的亮面层上表面涂上油墨层；
D、将步骤C得到的材料层进行熟化处理，熟化温度为45℃，时间为24h；
E、在步骤D得到的熟化后的材料层上表面复合一层耐酒精层；
F、最后在亮面层下表面粘接一层压面胶层，最终形成导电胶带。
实施例三：
基材层整体厚度为0.024mm。
本实施例的制作工艺包括以下步骤：
A A、将PET层单面印刷黑色油墨，形成黑色PET薄膜；
B、将AL层、复合胶层和印刷黑色油墨的PET层的油墨面复合，形成目视黑色亮面铝塑复合层；
C、将步骤B得到的铝塑复合层进行熟化处理，熟化温度为45℃，时间为 72h；
D、最后在铝塑复合层的铝箔面粘接一层黑色导电压敏胶层，最终形成导电胶带。
实施例四：
基材层整体厚度为0.03mm。
本实施例的制作工艺包括以下步骤：
A、将PET层单面印刷黑色油墨，形成黑色PET薄膜；
B、将AL层、复合胶层和印刷黑色油墨的PET层的油墨面复合，形成目视黑色亮面铝塑复合层；
C、将步骤B得到的铝塑复合层进行熟化处理，熟化温度为50℃，时间为72h；
D、之后在熟化后的铝塑复合层的PET表面涂上耐酒精层；
E、将步骤D得到的材料层进行熟化处理，熟化温度为45℃，时间为28h；
F、最后在铝塑复合层的铝箔面粘接一层黑色导电压敏胶层，最终形成导电胶带。
实施例五：
基材层整体厚度为0.035mm。
本实施例的制作工艺包括以下步骤：
A、将AL层、复合胶层和PET层复合形成亮面层；
B、将步骤A得到的亮面层进行熟化处理，熟化温度为50℃，时间为72h；
C、之后在熟化后的亮面层上表面涂上油墨层；
D、将步骤C得到的材料层进行熟化处理，熟化温度为45℃，时间为24h；
E、在步骤D得到的熟化后的材料层上表面复合一层耐酒精层；
F、最后在亮面层下表面粘接一层压面胶层，最终形成导电胶带。
实施例六：
基材层整体厚度为0.035mm。
本实施例的制作工艺包括以下步骤：
A、将PET层单面印刷黑色油墨，形成黑色PET薄膜；
B、将AL层、复合胶层和印刷黑色油墨的PET层的油墨面复合，形成目视黑色亮面铝塑复合层；
C、将步骤B得到的铝塑复合层进行熟化处理，熟化温度为50℃，时间为72h；
D、之后在熟化后的铝塑复合层的PET表面涂上耐酒精层；
E、将步骤D得到的材料层进行熟化处理，熟化温度为45℃，时间为28h；
F、最后在铝塑复合层的铝箔面粘接一层黑色导电压敏胶层，最终形成导电胶带。
实验例：
采用本发明各实施例制得的导电胶带进行性能测试，得到数据如下表：
  导电阻抗(Ω/□) 抗撕裂强度(MPA)
实施例一 0.042 23
实施例二 0.035 22
实施例三 0.040 21
实施例四 0.039 19
实施例五 0.037 24
实施例六 0.034 24
本发明结构简单，制作成本低，制得的导电胶带具有良好的导电性能和抗撕裂性能，使用寿命长；其中，设置的油墨层能够增强导电胶带的电磁屏蔽性能。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (4)

  1. 一种单层铝塑复合膜导电胶带,包括基材层，其特征在于：所述基材层包括AL层(1)、复合胶层(2)、PET层(3)、油墨层(4)、耐酒精层(5)和压敏胶层(6)，所述AL层(1)上表面设置复合胶层(2)，所述AL层(1)下表面设置压敏胶层(6)，所述复合胶层(2)上表面粘接油墨层(4)，所述PET层(3)上表面设置耐酒精层(5)。
  2. 根据权利要求1所述的一种单层铝塑复合膜导电胶带，其特征在于：所述油墨层(4)由70％丙烯酸树脂、25％炭黑、5％异氰酸酯组成。
  3. 根据权利要求1所述的一种单层铝塑复合膜导电胶带，其特征在于：所述基材层整体厚度为0.02mm-0.06mm。
  4. 实现权利要求1所述的一种单层铝塑复合膜导电胶带的制作工艺，其特征在于：其制作工艺包括以下步骤：
    A、将PET层单面印刷黑色油墨，形成黑色PET薄膜；
    B、将AL层、复合胶层和印刷黑色油墨的PET层的油墨面复合，形成目视黑色亮面铝塑复合层；
    C、将步骤B得到的铝塑复合层进行熟化处理，熟化温度为45℃-50℃，时间为24h-72h；
    D、之后在熟化后的铝塑复合层的PET表面涂上耐酒精层；
    E、将步骤D得到的材料层进行熟化处理，熟化温度为40℃-45℃，时间为24h-28h；
    F、最后在铝塑复合层的铝箔面粘接一层黑色导电压敏胶层，最终形成导电胶带。
PCT/CN2018/101623 2018-04-16 2018-08-22 一种单层铝塑复合膜导电胶带 WO2019200795A1 (zh)

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CN110982445A (zh) * 2019-10-21 2020-04-10 南通康尔乐复合材料有限公司 一种双层塑料与双层铝箔复合膜导电胶带

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