CN214457744U - Anti-aging conductive adhesive tape with excellent conductivity and shielding property - Google Patents
Anti-aging conductive adhesive tape with excellent conductivity and shielding property Download PDFInfo
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- CN214457744U CN214457744U CN202023064993.9U CN202023064993U CN214457744U CN 214457744 U CN214457744 U CN 214457744U CN 202023064993 U CN202023064993 U CN 202023064993U CN 214457744 U CN214457744 U CN 214457744U
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Abstract
The utility model discloses an ageing resistance conductive adhesive tape with good electric conductivity and shielding property, including light shield layer, conducting layer, substrate treating agent layer, substrate layer, electrically conductive acrylic acid glue film and the protective layer of arranging in proper order, through setting up the light shield layer that thickness set up to 5-100 mu m, prevent that the sticky tape from taking place ageing because of the illumination, choose the conducting layer of waterborne polythiophene coating for use, under the thinner thickness condition of coating, make the sticky tape have excellent electric conductivity; the aqueous polythiophene conductive coating can be fully wetted on the surface of the base material treating agent layer made of the metal foil material, the coating is uniform, and the aqueous polythiophene conductive layer, the copper foil base material layer and the conductive acrylic adhesive layer are stacked together, so that the conductive performance of each layer is stacked and cooperated, and the conductive adhesive tape has excellent conductive and shielding effects and strong practicability.
Description
Technical Field
The utility model relates to a conductive adhesive tape field especially relates to a conductive adhesive tape of ageing resistance with good electric conductivity and shielding property.
Background
The conductive adhesive tape is a metal foil or conductive cloth with a high-conductivity back adhesive, and the conductive back adhesive and a conductive base material of the conductive adhesive tape form a complete conductor which can be bonded with any metal surface in a bonding mode to complete electric lap joint and electric sealing of gaps. The conductive adhesive tape is a shielding material which is economical and practical and is convenient to use. The adhesive tape is used for sealing seams of an EMI shielding room, a shell and electronic equipment, winding a cable for shielding, providing a reliable grounding surface, providing electric contact for surfaces which cannot be welded, combining the conductive shielding performance of conductive cloth and the soft and comfortable characteristic of the adhesive tape, and further having the characteristics of lightness, thinness, durability and the like. The shielding material still has good shielding effect under the environment of dynamic friction and easy corrosion, is a good shielding material, and has wide application range.
However, the existing conductive adhesive tape has poor conductivity, shielding, heat dissipation, aging resistance and bonding effect, and the technical defects are urgently needed to be overcome, so that the conductive adhesive tape which has good conductivity and shielding effect, firm bonding, difficult aging and long service life is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the technology, the utility model provides an anti-aging conductive adhesive tape with excellent conductivity and shielding property, which comprises a shading layer, a conductive layer, a substrate treating agent layer, a substrate layer, a conductive acrylic adhesive layer and a protective layer which are arranged in sequence, wherein the thickness of the shading layer is set to be 5-100 mu m, so that the adhesive tape is prevented from aging due to illumination, the conductive layer of the aqueous polythiophene coating is selected, and the adhesive tape has excellent conductivity under the condition of coating with thinner thickness; and the conductive layer, the substrate layer and the conductive acrylic adhesive layer are stacked together, so that the conductive performance of each layer is stacked and cooperated, and the conductive adhesive tape has excellent conductive and shielding effects and strong practicability.
In order to realize the above-mentioned purpose, the utility model provides an ageing resistance conductive adhesive tape with good electric conductivity and shielding nature, including arranging light shield layer, conducting layer, substrate layer, electrically conductive acrylic acid glue film and the protective layer that sets up in proper order, the light shield layer is used for absorbing outside light, the conducting layer with be equipped with substrate treatment agent layer between the substrate layer, the conducting layer is waterborne conductive coating, substrate treatment agent layer makes waterborne conductive coating evenly coats and is in on the substrate layer.
Preferably, the light shielding layer is made of black PET material, and the thickness of the light shielding layer is 5-100 μm.
Preferably, the light-shielding layer has a thickness of 25 μm.
Preferably, the conductive layer is an aqueous polythiophene conductive coating, the conductivity is 103-105S/m, and the thickness is 5-50 μm.
Preferably, the thickness of the conductive layer is 30 μm.
Preferably, the substrate treatment agent layer is a composite layer in which an epoxy resin dispersion and a hydrophilic aqueous curing agent dispersion are combined, and the thickness of the substrate treatment agent layer is 5 to 30 μm.
Preferably, the material of the substrate layer is a metal copper foil, and the thickness of the substrate layer is 2-100 μm.
Preferably, the conductivity of the conductive acrylic glue layer is 103-105S/m, and the thickness of the conductive acrylic glue layer is 5-100 μm.
Preferably, the protective layer is a single-sided release film, and the thickness of the protective layer is 25-100 μm.
The utility model has the advantages that: compared with the prior art, the utility model provides a pair of ageing resistance conductive adhesive tape with good electric conductivity and shielding property, including light shield layer, conducting layer, substrate treatment agent layer, substrate layer, conductive acrylic glue film and the protective layer of arranging in proper order, through setting the thickness of light shield layer to 5-100 μm, prevent that the sticky tape from taking place ageing because of the illumination, choose the conducting layer of waterborne polythiophene coating for use, under the thinner thickness condition of coating, make the sticky tape have excellent electric conductivity; the aqueous polythiophene conductive coating can be fully wetted on the surface of the base material treating agent layer made of the metal foil material, the coating is uniform, and the aqueous polythiophene conductive layer, the copper foil base material layer and the conductive acrylic adhesive layer are stacked together, so that the conductive performance of each layer is stacked and cooperated, and the conductive adhesive tape has excellent conductive and shielding effects and strong practicability.
Drawings
Fig. 1 is a specific structure diagram of the present invention.
The main element symbols are as follows:
1. a light-shielding layer; 2. a conductive layer; 3. a substrate treating agent layer; 4. a substrate layer; 5. a conductive acrylic adhesive layer; 6. and a protective layer.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the anti-aging conductive adhesive tape with excellent conductivity and shielding property of the present invention includes a light shielding layer 1, a conductive layer 2, a substrate treating agent layer 3, a substrate layer 4, a conductive acrylic adhesive layer 5 and a protective layer 6, which are sequentially arranged, wherein the thickness of the light shielding layer 1 is set to be 5-100 μm, so as to prevent the adhesive tape from aging due to illumination, and the conductive layer 2 of the aqueous polythiophene coating is selected, so that the adhesive tape has excellent conductivity when coated to a thinner thickness; and the conductive layer 2, the substrate layer 4 and the conductive acrylic adhesive layer 5 are stacked together, so that the conductive performance of each layer is stacked and cooperated, and the conductive adhesive tape has excellent conductive and shielding effects and strong practicability.
In example 1, the light-shielding layer 1 was a black light-shielding film made of PET, having a thickness of 25 μm, and connected to the conductive layer 2 by electrostatic adsorption for protection, and the PET in the prior art was generally a milky white or pale yellow highly crystalline polymer having a smooth and glossy surface. Creep resistance, fatigue resistance, abrasion resistance, good dimensional stability, small abrasion and high hardness, and has the maximum toughness in thermoplastic plastics: electric insulating property is good, little influenced by the temperature, it is nontoxic, weatherability, anti chemical stability is good, the water absorption rate is low, weak acid and organic solvent resistance, alkali-proof, and PET among the prior art is milky white or light yellow usually, because the light penetration dynamics of light color is strong, if adopt milky white or light yellow PET material photomask, can lead to the shading effect of shading layer 1 poor, consequently, adopt black photomask as shading layer 1 in this embodiment, when light shines, can be absorbed by shading layer 1, thus, can make the conducting layer 2 behind the shading layer 1, substrate finishing agent layer 3, substrate layer 4, electrically conductive acrylic glue film 5 and protective layer 6 are not hurt by light, thereby prevent that the sticky tape is whole because the illumination takes place to age, the ageing resistance of electrically conductive sticky tape has obviously been promoted.
In example 1, the conductive layer 2 is a waterborne polythiophene conductive coating (PEDOT/PSS), the conductivity is 103-105S/m, the thickness is 5-50 μm, and more preferably, the thickness is 30 μm, the waterborne polythiophene conductive coating is a coating using water as a solvent, which can save a large amount of resources and reduce air pollution, the base layer 4 is a copper foil layer with a thickness of 10 μm, the base treatment agent layer 3 is a composite layer combining an epoxy resin dispersion and a hydrophilic waterborne curing agent dispersion, and the thickness of the base treatment agent layer 3 is 5-30 μm, and preferably 5 μm, so that the waterborne polythiophene conductive coating can be sufficiently wetted and uniformly coated on the surface of the base treatment agent layer 3 made of a metal foil material, and has good protective performance and does not affect the overall conductive performance.
In example 1, the conductive acrylic glue layer 5 includes 100 parts by mass of an acrylic adhesive, 0.5 part by mass of isocyanate, 1 part by mass of conductive particle nickel powder, 1 part by mass of acrylic resin, and 50 parts by mass of ethyl acetate, which are mixed to have excellent conductive properties.
In example 1, the conductive acrylic glue layer 5 has a thickness of 50 μm and a conductivity of 103-105S/; the protective layer 6 is made of transparent single-sided release PET and has a thickness of 50 μm.
In embodiment 2, the light-shielding layer 1 is a black light-shielding film made of PET, and has a thickness of 25 μm, and is electrostatically adsorbed to the conductive layer 2 for protection;
in example 2, the substrate layer 4 was a copper foil layer having a thickness of 10 μm, and the substrate treatment agent layer 3 was 5 μm; the conductive layer 2 is aqueous polythiophene conductive coating (PEDOT/PSS), the conductivity is 103-105S/m, the thickness is 30 μm, and the conductivity is 103-105S/m; the thickness of the base material treating agent layer 3 is 5 μm, and the thickness of the base material layer 4 is 10 μm.
In example 2, the conductive acrylic glue layer 5 includes 150 parts by mass of an acrylic glue, 1 part by mass of isocyanate, 1.5 parts by mass of conductive particle nickel powder, 1.5 parts by mass of acrylic resin, and 100 parts by mass of ethyl acetate mixed.
In the embodiment 2, the thickness of the conductive acrylic glue layer 5 is 50 μm, and the conductivity is 103-105S/m; the protective layer 6 is made of transparent single-sided release PET and has a thickness of 50 μm.
The utility model has the advantages that:
1. the shading layer 1 is added, and the shading layer 1 is made of a black shading film made of a PET material, so that the whole conductive adhesive tape is prevented from being aged due to illumination, and the ageing resistance of the conductive adhesive tape is obviously improved;
2. The aqueous polythiophene coating is selected, so that the conductive adhesive tape has excellent conductive performance under the condition of relatively thin coating thickness;
3. the three layers of the aqueous polythiophene conducting layer 2, the copper foil base material layer 4 and the conducting acrylic glue layer 5 are sequentially arranged, so that the conducting performance of each layer is superposed and cooperated, and the conducting adhesive tape has excellent conducting and shielding effects and strong practicability.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides an ageing resistance conductive adhesive tape with good electric conductivity and shielding nature, its characterized in that, including light shield layer, conducting layer, substrate layer, electrically conductive acrylic acid glue film and the protective layer of arranging the setting in proper order, the light shield layer is used for absorbing outside light, the conducting layer with be equipped with substrate finishing agent layer between the substrate layer, the conducting layer is waterborne conductive coating, substrate finishing agent layer makes waterborne conductive coating evenly coats and is in on the substrate layer.
2. The anti-aging conductive tape with excellent conductivity and shielding property as claimed in claim 1, wherein the light shielding layer is made of black PET material, and the thickness of the light shielding layer is 5-100 μm.
3. The anti-aging conductive tape having excellent conductivity and shielding property according to claim 1, wherein the light-shielding layer has a thickness of 25 μm.
4. The anti-aging conductive tape with excellent conductivity and shielding property as claimed in claim 1, wherein the conductive layer is an aqueous polythiophene conductive coating with a conductivity of 103-105S/m and a thickness of 5-50 μm.
5. The anti-aging conductive tape having excellent conductivity and shielding property according to claim 1, wherein the thickness of the conductive layer is 30 μm.
6. The anti-aging conductive tape having excellent conductivity and shielding property according to claim 1, wherein the thickness of the substrate treating agent layer is 5 to 30 μm.
7. The anti-aging conductive tape with excellent conductivity and shielding property as claimed in claim 1, wherein the material of the substrate layer is a metal copper foil, and the thickness of the substrate layer is 2-100 μm.
8. The anti-aging conductive tape with excellent conductivity and shielding property as claimed in claim 1, wherein the conductivity of the conductive acrylic adhesive layer is 103-105S/m, and the thickness of the conductive acrylic adhesive layer is 5-100 μm.
9. The anti-aging conductive tape with excellent conductivity and shielding property according to claim 1, wherein the protective layer is a single-sided release film, and the thickness of the protective layer is 25-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023064993.9U CN214457744U (en) | 2020-12-17 | 2020-12-17 | Anti-aging conductive adhesive tape with excellent conductivity and shielding property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023064993.9U CN214457744U (en) | 2020-12-17 | 2020-12-17 | Anti-aging conductive adhesive tape with excellent conductivity and shielding property |
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| Publication Number | Publication Date |
|---|---|
| CN214457744U true CN214457744U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023064993.9U Active CN214457744U (en) | 2020-12-17 | 2020-12-17 | Anti-aging conductive adhesive tape with excellent conductivity and shielding property |
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| CN (1) | CN214457744U (en) |
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- 2020-12-17 CN CN202023064993.9U patent/CN214457744U/en active Active
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Effective date of registration: 20230915 Address after: Building B3, Hengkeng Industrial Park, Guantian Community, North Ring Road, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province, 518000. Factory code T7-0202-B00210, 1st, 2nd, and 3rd floors Patentee after: SHENZHEN YIDAXING TECHNOLOGY CO.,LTD. Address before: 518000 building B3, guantian community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen yidaxing Technology Research Co.,Ltd. |
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| TR01 | Transfer of patent right |