Super-soft nano-composite silica-gel-free belt

Abstract

The utility model discloses a super-soft nano-composite non-silica gel belt which comprises a winding drum and an adhesive tape main body, and the adhesive tape main body is wound on the surface of the winding drum; the adhesive tape main body comprises a base material layer, an easy-to-tear part and a protective layer, the notch is formed in the base material layer, and the protective layer is arranged on the outer side surfaces of the base material layer and the notch; the convenience of using the adhesive tape main body can be improved through the easy-to-tear part, the adhesive tape main body can be conveniently cut off at a specified position, the service life of the adhesive tape main body can be prolonged and the unwinding force can be reduced through the protective layer, and the base material layer is composed of the supporting layer, the reinforcing layer and the adhesion layer, so that the adhesive tape main body has strong viscous force and is convenient to use. Pollution of low-molecular siloxane volatile matter is avoided, the phenomenon that silicon volatilized at high temperature is adsorbed on the surface of an electrical element to cause contact resistance rise or signal distortion is further prevented, and therefore the reliability of electronic elements such as a hard disk drive can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of adhesive tape, especially to a super-soft nanometer composite silicon-free adhesive tape. BACKGROUND

[0002] Adhesive tape, daily necessities. According to the efficacy, it can be divided into: high-temperature adhesive tape, double-sided adhesive tape, insulating adhesive tape, special adhesive tape, pressure-sensitive adhesive tape, die-cut adhesive tape, different efficacy is suitable for different industry demand.

[0003] The patent document with the announcement number CN222043064U discloses a composite silicon adhesive tape, which comprises a silicon adhesive tape body, a side strip integrally formed on the both sides of the silicon adhesive tape body, a plurality of triangular slits equidistantly arranged on one side of the two side strips close to the silicon adhesive tape body, a main body structure, a heat-sensitive layer and a protective layer, and the protective layer is arranged on the outer surface of the heat-sensitive layer. The side strip is integrally formed on the both sides of the silicon adhesive tape body, and a plurality of triangular slits are equidistantly cut on the side strip. When the silicon adhesive tape needs to be cut off at a specified position, external tools are not needed, and the silicon adhesive tape can be torn off along the triangular slits at the corresponding positions on the side strip, which is more convenient to use and does not cause the thickness of the composite adhesive tape to be reduced due to excessive pulling.

[0004] Although the above-mentioned composite silicon adhesive tape can solve the corresponding technical problems, when it is used for structure insulation or fixation in hard disk drives and other electronic components, the silicon structure layer will release low-molecular siloxane volatiles at high temperatures. If these volatiles are deposited on the surface of a tight contact or an optical element, it is easy to cause the contact resistance to rise or the signal to be distorted, thereby affecting the reliability of the hard disk drive and other electronic components.

[0005] Therefore, a super-soft nanometer composite silicon-free adhesive tape is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a super-soft nanometer composite silicon-free adhesive tape to solve the problems proposed in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the main technical scheme comprising:

[0008] A super-soft nanometer composite silicon-free adhesive tape comprises:

[0009] A winding drum and an adhesive tape body are arranged on the surface of the winding drum;

[0010] The adhesive tape body comprises a base material layer, a tearable part and a protective layer, the cut is arranged on the base material, and the protective layer is arranged on the outer side of the base material layer and the cut;

[0011] The substrate layer comprises a support layer, a reinforcing layer and an adhesive layer, the reinforcing layer is integrally formed on the inner side of the support layer, and the adhesive layer is fixedly connected to the inner side of the reinforcing layer.

[0012] As a preferred technical scheme, the easy-to-tear part comprises a plurality of edge strips fixedly connected to the support layer, the reinforcing layer and the adhesive layer respectively, and a plurality of equidistantly distributed incisions are formed in the edge strips.

[0013] As a preferred technical scheme, one or two edge strips are arranged on one side or two sides of the support layer, the reinforcing layer and the adhesive layer respectively, and the openings of the incisions are arranged in a direction away from the support layer.

[0014] As a preferred technical scheme, the protective layer comprises a wear-resistant layer, and the wear-resistant layer is coated on the outer surface of the support layer and the incisions on the support layer.

[0015] As a preferred technical scheme, the protective layer further comprises a functional layer, and the functional layer is fixedly connected to the side of the wear-resistant layer away from the support layer.

[0016] As a preferred technical scheme, the functional layer is one of a protruding particle, a concave-convex pattern or a combined pattern of a plurality of patterns.

[0017] As a preferred technical scheme, a plurality of functional layers are regularly distributed on the outer surface of the wear-resistant layer, and the plurality of functional layers are not an entire continuous planar structure.

[0018] As a preferred technical scheme, the support layer is a high-performance Bopp film layer.

[0019] As a preferred technical scheme, the reinforcing layer is a nano-reinforcing layer.

[0020] As a preferred technical scheme, the wear-resistant layer is a PE coating layer.

[0021] The utility model at least has the following beneficial effects:

[0022] The application can improve the convenience of using the adhesive tape main body, facilitate cutting the adhesive tape main body at a specified position, prolong the service life of the adhesive tape main body and reduce the unwinding force through the protective layer, and the substrate layer is composed of the support layer, the reinforcing layer and the adhesive layer, so that the adhesive tape main body has strong adhesion, the pollution of low-molecular-siloxane volatile matter is avoided, the phenomenon of contact resistance increase or signal distortion caused by the adsorption of volatile silicon on the surface of electrical elements under high temperature is prevented, and the reliability of hard disk drives and other electronic elements is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a structural schematic view of the utility model super-soft nano-composite silicon-free adhesive tape.

[0024] Fig. 2 It is the structure section view schematic drawing of the adhesive tape main body of the super-soft nanometer composite silica-free adhesive tape.

[0025] Fig. 3 It is the structure section view schematic drawing of the adhesive tape main body of the super-soft nanometer composite silica-free adhesive tape.

[0026] In the figure: 100, winding drum; 200, adhesive tape main body; 210, support layer; 220, reinforcing layer; 230, adhesive layer; 240, edge strip; 250, notch; 260, wear-resistant layer; 270, functional layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figs. 1-3 The embodiment of the present application provides a super-soft nanometer composite silica-free adhesive tape, which comprises a winding drum 100 and an adhesive tape main body 200, the adhesive tape main body 200 is wound on the surface of the winding drum 100; the adhesive tape main body 200 comprises a base material layer, a tear-easy part and a protective layer, notches 250 are arranged on the base material, and the protective layer is arranged on the outer side of the base material layer and the notches 250; the base material layer comprises a support layer 210, a reinforcing layer 220 and an adhesive layer 230, the reinforcing layer 220 is formed on the inner side of the support layer 210, the adhesive layer 230 is fixedly connected to the inner side of the reinforcing layer 220, and the protective layer is arranged on the outer side of the support layer 210.

[0029] The tear-easy part comprises edge strips 240 fixedly connected to the support layer 210, the reinforcing layer 220 and the adhesive layer 230 respectively, the edge strips 240 are provided with a plurality of notches 250 which are equidistantly distributed and have a V-shaped structure, the tear-easy part can facilitate cutting the adhesive tape main body 200 at a specified position without affecting the normal use of the adhesive tape main body 200, and the use is more convenient without the aid of sharp tools such as scissors.

[0030] The edge strips 240 are arranged on one side or both sides of the support layer 210, the reinforcing layer 220 and the adhesive layer 230 respectively, and the openings of the notches 250 are arranged in a direction away from the support layer 210.

[0031] The protective layer comprises a wear-resistant layer 260 coated on the outer surface of the support layer 210 and the cutout 250 on the support layer 210, which can protect the surface of the support layer 210 and prolong the service life of the support layer 210, avoiding the surface of the support layer 210 being worn out due to long-term friction.

[0032] The protective layer further comprises a functional layer 270 fixedly connected to the side of the wear-resistant layer 260 away from the support layer 210, which can increase the roughness of the surface of the adhesive tape body 200 to reduce the contact area between the adhesive layer 230 and the wear-resistant layer 260, thereby reducing the possibility of vacuum adsorption between the adhesive layer 230 and the wear-resistant layer 260, and thus reducing the unwinding force.

[0033] The functional layer 270 is one of a protruding particle, a concave-convex pattern, or a combination pattern of multiple patterns.

[0034] The functional layer 270 is regularly distributed on the outer surface of the wear-resistant layer 260, and the plurality of functional layers 270 are not an entire continuous planar structure, which can improve the reliability of the winding connection of the adhesive tape body 200 and facilitate subsequent cutting operation of the adhesive tape body 200.

[0035] The support layer 210 is a high-performance Bopp film layer, which has the advantages of light weight, non-toxicity, non-odor, moisture resistance, high mechanical strength, good dimensional stability, good printing performance, good transparency, high transparency, good gloss, good barrier property, high impact strength, and low temperature resistance.

[0036] The reinforcing layer 220 is a nano-reinforcing layer made of nano materials dispersed in a high molecular polymer matrix. The nano materials are nano particles, such as nano calcium carbonate, with a particle size of 1-100 nanometers.

[0037] The wear-resistant layer 260 is a PE coating layer with good wear resistance, corrosion resistance, and aging resistance, in addition to good airtightness and waterproofness, further enhancing the performance of the adhesive tape body 200 in specific application environments.

[0038] The working principle of the utility model is: in use, according to the demand, the free end of the tape main body 200 on the reel 100 is pulled apart, the tensile resistance of the support layer 210 can be enhanced through the functional layer 270, the contact area between the wear-resistant layer 260 and the adhesive layer 230 can be reduced to reduce the unwinding force, and the tape main body 200 can be quickly cut off by tearing along the notch 250 on the edge strip 240 at the specified position, so that the sharp tools such as scissors are not needed, and the use is more convenient, the support layer 210, the reinforcing layer 220 and the adhesive layer 230 constitute the base material layer, the base material layer has high stability and reversible and controllable adhesion, and also has good flexibility, mechanical strength and chemical stability, the surface of the support layer 210 can be protected through the wear-resistant layer 260, which helps to prolong the service life of the support layer 210 and avoid the surface of the support layer 210 from being worn due to long-term friction.

[0039] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An ultra-soft nanocomposite silicone-free adhesive tape, characterized by, The application relates to a tape roll (100) and a tape body (200) wound on the surface of the tape roll (100). The tape body (200) comprises a substrate layer, a tearable part and a protective layer, a cut (250) is arranged on the substrate, and the protective layer is arranged on the outer side of the substrate layer and the cut (250). The substrate layer comprises a supporting layer (210), a reinforcing layer (220) and an adhesive layer (230), the reinforcing layer (220) is integrally formed on the inner side of the supporting layer (210), the adhesive layer (230) is fixedly connected to the inner side of the reinforcing layer (220), and the protective layer is arranged on the outer side of the supporting layer (210). The tearable part comprises a side strip (240) fixedly connected to the supporting layer (210), the reinforcing layer (220) and the adhesive layer (230) respectively, and a plurality of equidistantly distributed cuts (250) are arranged on the side strip (240).

2. The ultra-soft nanocomposite silicone-free adhesive tape according to claim 1, characterized in that: The side strip (240) is arranged on one side or both sides of the supporting layer (210), the reinforcing layer (220) and the adhesive layer (230), and the opening of the cut (250) is arranged in the direction away from the supporting layer (210).

3. The ultra-soft nanocomposite silicone-free adhesive tape according to claim 2, characterized in that: The protective layer comprises a wear-resistant layer (260), and the wear-resistant layer (260) is coated on the outer surface of the supporting layer (210) and the cut (250) on the supporting layer (210).

4. The ultra-soft nanocomposite silicone-free adhesive tape according to claim 3, characterized in that: The protective layer further comprises a functional layer (270), and the functional layer (270) is fixedly connected to the side of the wear-resistant layer (260) away from the supporting layer (210).

5. The ultra-soft nanocomposite silicone-free adhesive tape according to claim 4, wherein: The functional layer (270) is one of a convex particle, a concave-convex pattern or a combination pattern of multiple patterns.

6. The ultra-soft nanocomposite silicone-free adhesive tape according to claim 5, wherein: The functional layer (270) is regularly distributed on the outer surface of the wear-resistant layer (260), and the functional layer (270) is not a whole continuous plane structure.

7. The ultra-soft nanocomposite silicone-free adhesive tape according to claim 6, wherein: The supporting layer (210) is a high-performance Bopp film layer.

8. The ultra-soft nanocomposite silicone-free adhesive tape of claim 1, wherein: The reinforcing layer (220) is a nano reinforcing layer.

9. The ultra-soft nanocomposite silicone-free adhesive tape of claim 1, wherein: The wear-resistant layer (260) is a PE coating layer.

10. The ultra-soft nanocomposite silicone-free adhesive tape of claim 6, wherein: ​

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