Antistatic pressure-sensitive adhesive tape

Abstract

The utility model relates to the technical field of pressure-sensitive adhesive tapes, in particular to an antistatic pressure-sensitive adhesive tape. According to the technical scheme, the anti-static adhesive tape comprises multiple layers of adhesive tape main bodies, and specifically comprises a surface layer, an anti-static base material layer, a conductive bonding layer, a reinforcing layer and an adhesive layer, wherein the surface layer, the antistatic base material layer, the conductive bonding layer, the reinforcing layer and the adhesive layer are arranged in sequence; the surface layer is also provided with a tearing layer capable of being torn; the reinforcing layer is filled with a reinforcing fiber layer; a notch is formed in the middle of the surface layer in the length direction of the surface layer, and the tearing layer and the two sides of the notch are arranged in a tearing mode. Through innovative material combination and structural design, the pressure-sensitive adhesive tape disclosed by the utility model has excellent pressure-sensitive adhesion characteristic and efficient antistatic capacity, can be widely applied to the fields of electronics, aerospace and the like, ensures the safety and stability of products in the production, transportation and use processes, is convenient and quick to cut off, and is suitable for efficient winding operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure sensitive adhesive tape technical field especially relates to an antistatic pressure sensitive adhesive tape. BACKGROUND

[0002] In electronic equipment manufacturing, aerospace parts assembly and many other industries, static protection is very important. Although the traditional adhesive tape can realize the basic adhesion function, it has significant shortcomings in static protection. On the one hand, most of the adhesive tapes lack effective antistatic design, and when they are used for electronic component pasting and precision instrument protection, static accumulation is easily generated due to friction, peeling and other operations. Once the static accumulation reaches a certain level, it will cause static discharge phenomenon, releasing high-energy electric sparks, which will cause irreversible damage to precision components such as electronic chips and micro circuits, such as breaking down semiconductor devices and burning integrated circuit lines, seriously affecting product quality and reliability. On the other hand, the existing adhesive tapes with antistatic claims have poor durability of antistatic performance, and the antistatic effect is greatly attenuated under complex environmental conditions (such as high temperature, high humidity and frequent mechanical stress), which is difficult to meet the long-term stable protection requirements. Therefore, the present application proposes a pressure sensitive adhesive tape with stable and durable antistatic effect. SUMMARY

[0003] The utility model aims at the problems existing in the background art, and proposes a pressure sensitive adhesive tape with stable and durable antistatic effect.

[0004] The technical scheme of the utility model discloses an antistatic pressure sensitive adhesive tape, which comprises an adhesive tape main body, the adhesive tape main body is provided with multiple layers, specifically including a surface layer, an antistatic base material layer, a conductive adhesive layer, a reinforcing layer and a glue layer.

[0005] Among them, the surface layer, the antistatic base material layer, the conductive adhesive layer, the reinforcing layer and the glue layer are sequentially arranged.

[0006] The surface layer is also provided with a tearable tear layer.

[0007] The reinforcing layer is filled with a reinforcing fiber layer.

[0008] Optionally, a slot is formed in the middle part of the surface layer along the length direction, and the tearable tear layer is arranged between the two sides of the slot.

[0009] Optionally, the thickness of the antistatic base material layer is 0.03-0.08mm, the antistatic base material layer is provided with an antistatic additive, and the amount of the antistatic additive accounts for 3%-8% of the total mass of the antistatic base material layer.

[0010] Optionally, the slot is arranged corresponding to the middle part of the antistatic base material layer.

[0011] Optionally, the surface layer, the antistatic substrate layer, the conductive adhesive layer, the reinforcing layer and the adhesive layer are pressure-bonded, and the adhesive tape body is intermittently provided with.

[0012] Optionally, the conductive adhesive layer is a conductive adhesive layer for bonding the antistatic substrate layer and the reinforcing layer.

[0013] Optionally, the reinforcing layer is a first reinforcing layer, a second reinforcing layer and a filled cavity multilayer, wherein the filled cavity is a filled layer.

[0014] Optionally, the filled cavity is provided with a reinforcing fiber layer and a filler, and the filler is polyurethane.

[0015] Optionally, the reinforcing fiber layer is in a ring buckle shape and is woven and connected, and the reinforcing fiber layer is polyester fiber.

[0016] Optionally, the thickness of the adhesive layer is 4-10 microns.

[0017] In summary, the present application includes at least one of the following beneficial technical effects:

[0018] The utility model discloses a multilayer and layered adhesive tape body, which has excellent pressure-sensitive adhesive properties and high-efficiency antistatic ability through innovative material combination and structure design, can be widely applied in electronic, aerospace and other fields, and guarantees the safety and stability of products in the production, transportation and use process, and the antistatic substrate layer is exposed to the outside of the pressure-sensitive adhesive tape through the setting of the tear layer, so that the antistatic effect of the adhesive tape is improved.

[0019] The strength of the pressure-sensitive adhesive tape is further enhanced through the setting of the reinforcing fiber layer, and the pores between the reinforcing fiber layers ensure the dissipation of static electricity.

[0020] Furthermore, the adhesive tape body can be easily cut off in use, so that the pressure-sensitive adhesive tape is conveniently used.

[0021] In summary, the pressure-sensitive adhesive tape has excellent pressure-sensitive adhesive properties and high-efficiency antistatic ability through innovative material combination and structure design, can be widely applied in electronic, aerospace and other fields, and guarantees the safety and stability of products in the production, transportation and use process, and the pressure-sensitive adhesive tape is convenient and fast to cut off, and is suitable for efficient winding operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A front view schematic diagram of an antistatic pressure-sensitive adhesive tape is given.

[0023] Figure 2 For Figure 1 A layered structure schematic diagram in the utility model is given.

[0024] Figure 3 A cross-sectional view of the reinforcing layer.

[0025] Reference numeral: 1, adhesive tape main body; 10, surface layer; 101, notch; 102, tear layer; 11, antistatic base material layer; 12, conductive adhesive layer; 13, reinforcing layer; 131, first reinforcing layer; 132, second reinforcing layer; 133, filling cavity; 134, reinforcing fiber layer; 14, adhesive layer. DETAILED DESCRIPTION

[0026] The technical solutions of the present disclosure will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments.

[0027] The components of the embodiments of the present disclosure generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present disclosure provided in the drawings is not intended to limit the scope of the claimed present disclosure, but only represents selected embodiments of the present disclosure.

[0028] Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present disclosure.

[0029] In the description of the present disclosure, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present disclosure, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0031] Embodiment 1

[0032] As Figures 1-3As shown, the utility model provides an antistatic pressure sensitive adhesive tape, including adhesive tape main body 1, adhesive tape main body 1 is provided with multilayer, specifically including surface layer 10, antistatic base material layer 11, conductive adhesive layer 12, reinforcing layer 13 and glue layer 14, the thickness of glue layer 14 is 8mu m;

[0033] Wherein, surface layer 10, antistatic base material layer 11, conductive adhesive layer 12, reinforcing layer 13 and glue layer 14 are sequentially arranged;The thickness of antistatic base material layer 11 is 0.06mm, antistatic additive is arranged in antistatic base material layer 11, and the amount of antistatic additive accounts for 6% of the total mass of antistatic base material layer 11;Conductive adhesive layer 12 is a conductive adhesive layer, which is used to bond between antistatic base material layer 11 and reinforcing layer 13;Conductive adhesive layer 12 uses acrylate copolymer as base resin, and the weight fraction is 75 parts, which is matched with 15 parts of conductive carbon black, 7 parts of chopped carbon fiber, 2 parts of silane coupling agent and 4 parts of photoinitiator, and is made by means of photocuring process to realize rapid curing forming, and give the adhesive tape excellent pressure sensitive adhesion and static conductive capacity;Reinforcing layer 13 is a first reinforcing layer 131, a second reinforcing layer 132 and a filling cavity 133, wherein the filling cavity 133 is a filling layer, the reinforcing layer 13 is filled with a reinforcing fiber layer 134, the filling cavity 133 is provided with a reinforcing fiber layer 134 and a filling material, and the filling material is polyurethane;The reinforcing fiber layer 134 is connected in a ring buckle shape, the reinforcing fiber layer 134 is polyester fiber, and the ring buckle of the reinforcing fiber layer 134 is arranged to have a gap between the ring buckles, so as to realize rapid dissipation of static electricity.

[0034] As Figure 1 And Figure 2 As shown, the surface layer 10 is also provided with a tearable tear layer 102, and the middle part of the surface layer 10 is provided with a notch 101 along the length direction thereof, the notch 101 is arranged corresponding to the middle part of the antistatic base material layer 11, and the tear layer 102 is tearable between the two sides of the notch 101.

[0035] In the embodiment, each layer has different functions and effects through the layered arrangement of the adhesive tape main body 1, the strength of the adhesive tape as a whole is enhanced through the arrangement of the reinforcing layer 13, the antistatic effect of the antistatic base material layer 11 is improved, the static electricity is quickly dissipated through the arrangement of the reinforcing fiber layer 134, the antistatic base material layer 11 is exposed through the notch 101 through the tearable arrangement of the tear layer 102, and then the static electricity of the connection wrapped with the adhesive tape is quickly guided, and the antistatic effect is realized.

[0036] Example 2

[0037] As Figures 1-3As shown, based on the base of example 1, the surface layer 10, the antistatic substrate layer 11, the conductive adhesive layer 12, the reinforcing layer 13 and the adhesive layer 14 are pressure-bonded, and 2 is arranged on the adhesive tape body 1 in an intermittent manner, and in this example, the arrangement of 2 facilitates quick cutting of the adhesive tape after connection, facilitating worker operation.

[0038] The above specific examples are only several optional embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above examples, the person skilled in the art can make various alternative improvements and combinations on the above specific examples.

Claims

1. An antistatic pressure sensitive adhesive tape comprising a tape main body (1), characterized by, The adhesive tape body (1) is provided with multiple layers, specifically including a surface layer (10), an antistatic base material layer (11), a conductive adhesive layer (12), a reinforcing layer (13) and a glue layer (14); The surface layer (10), the antistatic base material layer (11), the conductive adhesive layer (12), the reinforcing layer (13) and the glue layer (14) are sequentially arranged. The surface layer (10) is further provided with a tearable tear layer (102). The reinforcing layer (13) is filled with a reinforcing fiber layer (134).

2. The antistatic pressure sensitive adhesive tape according to claim 1, wherein The middle part of the surface layer (10) is provided with a notch (101) along the length direction, and the tearable tear layer (102) is arranged between the two sides of the notch (101).

3. The antistatic pressure sensitive adhesive tape according to claim 2, wherein The thickness of the antistatic base material layer (11) is 0.03-0.08mm, and the antistatic base material layer (11) is provided with an antistatic additive.

4. The antistatic pressure sensitive adhesive tape according to claim 3, wherein The notch (101) is arranged corresponding to the middle part of the antistatic base material layer (11).

5. The antistatic pressure sensitive adhesive tape according to claim 1, wherein The surface layer (10), the antistatic base material layer (11), the conductive adhesive layer (12), the reinforcing layer (13) and the glue layer (14) are pressed and bonded, and the adhesive tape body (1) is intermittently provided with (2).

6. The antistatic pressure sensitive adhesive tape according to claim 1, wherein The conductive adhesive layer (12) is a conductive adhesive layer for bonding the antistatic base material layer (11) and the reinforcing layer (13).

7. The antistatic pressure sensitive adhesive tape according to claim 1, wherein The reinforcing layer (13) is a first reinforcing layer (131), a second reinforcing layer (132) and a filling cavity (133) multi-layer arrangement, wherein the filling cavity (133) is a filling layer.

8. The antistatic pressure sensitive adhesive tape according to claim 7, wherein The filling cavity (133) is provided with a reinforcing fiber layer (134) and a filling material, and the filling material is polyurethane.

9. The antistatic pressure sensitive adhesive tape according to claim 8, wherein The reinforcing fiber layer (134) is in the form of a ring buckle and is connected by weaving, and the reinforcing fiber layer (134) is polyester fiber.

10. The antistatic pressure sensitive adhesive tape according to claim 1, wherein The thickness of the glue layer (14) is 4-10μm.

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