Adhesive tape with looped pile structure and construction method
By incorporating an arc-shaped loop structure made of fibrous fabric in the middle layer of the tape, the problem of thin adhesive layer is solved, achieving high-strength bonding and simplified construction.
Patent Information
- Application Number
- CN202510809625.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-17
- Publication Date
- 2025-10-17
AI Technical Summary
The adhesive layer of existing adhesive tapes is thin, resulting in insufficient bonding strength, making it difficult to meet the requirements of high-strength bonding and long-term reliability.
The tape uses a terry loop structure, with arc-shaped loops made of fibrous fabric on the surface of the middle layer. The loops are fixed to the interface of the middle layer and wrapped in the adhesive layer, enhancing the support and stability of the adhesive layer.
It increases the thickness and bonding strength of the adhesive layer, simplifies the construction process, reduces labor costs and construction cycle, and enhances the stability and airtightness of the adhesive layer.
Smart Images
Figure CN120795818A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of bonding technology, in particular to a loop structure adhesive tape and a construction method. BACKGROUND
[0002] At present, the adhesive tapes produced and sold on the market are widely used in various fields, but the adhesives of most adhesive tapes are directly coated on the release film to form a glue film, the thickness of the glue film is generally 0.01-0.2mm, and the glue film is used to realize bonding by tearing the release film. The mechanical strength of the glue film is low and the glue content is small, so it is difficult to effectively realize high-strength bonding. Some adhesive tapes use glass fiber mesh as a reinforcing layer of the glue film, which are all plane materials, increasing the mechanical strength of the glue film, but the glue content cannot be substantially improved, and cannot meet the requirements of high bonding strength and long-term use reliability in some parts.
[0003] Therefore, in view of the above problems, there is an urgent need for an adhesive tape with a relatively high thickness of the adhesive layer, which can improve the bonding strength of the adhesive tape. SUMMARY
[0004] The embodiments of the present application provide a loop structure adhesive tape, which can provide an adhesive tape with a relatively high thickness of the adhesive layer, and can improve the bonding strength of the adhesive tape.
[0005] In a first aspect, the embodiments of the present application provide a loop structure adhesive tape, which comprises a middle layer, a first adhesive layer and a second adhesive layer, the first adhesive layer and the second adhesive layer are respectively located on both sides of the middle layer, the surface of the middle layer is provided with a plurality of loops, the loop is an arc-shaped structure made of fiber fabric, two end points of the arc-shaped structure are fixed on the interface of the middle layer, and the loop is perpendicular to the middle layer and wrapped in the first adhesive layer and / or the second adhesive layer.
[0006] In a possible design, the height of the loop from the surface of the middle layer is 0.1-5mm.
[0007] In a possible design, the density of the loop is 12000-18000 roots / m2.
[0008] In a possible design, the diameter of the fiber fabric used to prepare the loop is 0.1-0.2mm.
[0009] In a possible design, the fiber fabric used to prepare the loop comprises one kind of fiber or a plurality of combined woven fibers selected from polyester, polyamide, acrylic, polypropylene, aramid, glass fiber and carbon fiber.
[0010] In a possible design, the loop is obtained by weaving, knitting, or splitting the sandwich fabric from the core layer.
[0011] In a possible design, the preparation material of the first adhesive layer and the second adhesive layer comprises water-curing adhesive.
[0012] In a second aspect, the application also provides a construction method, which is applied to the installation construction of the air-tight waterproof film, and comprises the following steps:
[0013] determining the bonding strength of the layer to be bonded, and determining the target thickness of the adhesive layer for bonding the layer to be bonded according to the bonding strength;
[0014] immersing the terry structure adhesive tape with the first adhesive layer or the second adhesive layer having the target thickness in water, and taking out the terry structure adhesive tape after sufficient wetting;
[0015] applying the first adhesive layer or the second adhesive layer of the terry structure adhesive tape with the target thickness to the surface of the layer to be bonded;
[0016] applying the air-tight waterproof film to the side of the terry structure adhesive tape away from the layer to be bonded.
[0017] In a possible design, before the step of applying the first adhesive layer or the second adhesive layer of the terry structure adhesive tape with the target thickness to the surface of the layer to be bonded, the method further comprises the following step:
[0018] cleaning the layer to be bonded to make the surface clean and dry.
[0019] In a possible design, after the step of applying the air-tight waterproof film to the side of the terry structure adhesive tape away from the layer to be bonded, the method further comprises the following step:
[0020] uniformly applying thin plaster or paint to the outer surface of the air-tight waterproof film.
[0021] Compared with the prior art, the application has at least the following beneficial effects:
[0022] At present, the adhesive layer is relatively thin mainly because the adhesive layer has a certain fluidity and it is difficult to obtain an adhesive layer with a certain thickness. The application sets an intermediate layer, one or two surfaces of the intermediate layer are provided with a terry structure, the terry structure is a fiber fabric, which has a relatively fine diameter and good mechanical properties, and the terry structure made into an arc-shaped structure similar to an arch can provide good support for the adhesive layer. The arc-shaped structure has a wide supporting range, and its relatively fine diameter occupies a small space, which does not significantly reduce the amount of adhesive of the adhesive layer wrapped therearound. In addition, the dense terry not only can support the adhesive layer, but also can stabilize the adhesive layer by forming a structure similar to a tree root. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.
[0024] Fig. 1 is a schematic diagram of the cross-sectional structure of a terry structure adhesive tape provided by the embodiments of the present application;
[0025] Fig. 2 is a schematic diagram of the structure of the intermediate layer and the terry provided by the embodiments of the present application.
[0026] In the drawings:
[0027] 1-first adhesive layer;
[0028] 2-intermediate layer;
[0029] 21-terry;
[0030] 3-second adhesive layer. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative effort fall within the scope of the present application.
[0032] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; unless otherwise specified or explained, the term "multiple" means two or more; the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0033] In the description of the specification, it needs to be understood that the "upper", "lower" and other orientation words described in the embodiments of the application are described in the angle shown in the drawings, and should not be understood as a limitation on the embodiments of the application. In addition, in the context, it also needs to be understood that when referring to one element connected to another element "on" or "below", it can not only be directly connected to another element "on" or "below", but also indirectly connected to another element "on" or "below" through an intermediate element.
[0034] As shown in Figs. 1-2 The embodiment of the application provides a loop structure adhesive tape, which comprises a middle layer, a first adhesive layer and a second adhesive layer, the first adhesive layer and the second adhesive layer are respectively located on two sides of the middle layer, a surface of the middle layer is provided with a plurality of loops, the loop is an arc structure prepared from a fiber fabric, two end points of the arc structure are fixed on the interface of the middle layer, the loop is perpendicular to the middle layer, and is wrapped in the first adhesive layer and / or the second adhesive layer.
[0035] At present, the thickness of the adhesive layer is relatively thin mainly because the adhesive layer has a certain fluidity, and it is difficult to obtain an adhesive layer with a certain thickness. The application sets a middle layer, one or two surfaces of the middle layer are provided with a loop structure, the loop structure is a fiber fabric, which has a relatively small diameter and good mechanical properties, and the arc structure similar to an arch can provide good support for the adhesive layer. The arc structure has a wide supporting range, and its small diameter occupies a small space, which does not significantly reduce the amount of adhesive of the adhesive layer wrapped therein. In addition, the dense loops not only can support the adhesive layer, but also can stabilize the adhesive layer by forming a structure similar to a tree root.
[0036] It should be noted that the bottom of the plurality of loop structures can have good supporting performance, so that the thickness of the adhesive layer can be greater than the height of the loop structure.
[0037] In some embodiments of the application, the height of the loop from the surface of the middle layer is 0.1-5mm.
[0038] In the embodiment, the height of the loop determines the thickness of the adhesive layer, when the height of the loop from the middle layer is 0.1-5mm, the loop can have good supporting effect, if the height is less than 0.1mm, the loop does not need to be set; if the height is greater than 5mm, the loop cannot support the adhesive layer with a large thickness, because although the fiber fabric has good mechanical properties, its diameter is still too small to provide sufficient support when the height is high.
[0039] In some embodiments of the application, the density of the loop is 12000-18000 roots / m2.
[0040] It should be noted that if the density of the terry pile is less than 12000 per square meter, the terry pile is too sparse and has poor support; if the density of the terry pile is higher than 18000 per square meter, the number of the terry pile is too much, which will occupy the space of the adhesive layer.
[0041] In some embodiments of the present application, the diameter of the fiber fabric for preparing the terry pile is 0.1-0.2mm. In the present embodiment, if the diameter of the terry pile is less than 0.1mm, the terry pile is too thin and the supporting force is reduced; if the diameter of the terry pile is higher than 0.2mm, the terry pile is too thick, which is easy to be broken when bending into a circular arc, and will occupy the space of the adhesive layer to a certain extent.
[0042] In some embodiments of the present application, the fiber fabric for preparing the terry pile comprises one fiber or a combination of multiple fibers selected from polyester, nylon, acrylic, polypropylene, aramid, glass fiber and carbon fiber.
[0043] In some embodiments of the present application, the terry pile is obtained by weaving, knitting or splitting the sandwich fabric from the core layer.
[0044] In some embodiments of the present application, the preparation material of the first adhesive layer and the second adhesive layer comprises water-curing adhesive.
[0045] The water-curing adhesive comprises modified epoxy adhesive, water-based UV adhesive, polyurethane adhesive, modified silane adhesive, etc.
[0046] The present application also provides a construction method based on the terry pile structure adhesive tape described above, which is applied to the installation and construction of air-tightness membrane, comprising:
[0047] Determining the bonding strength of the layer to be bonded, and determining the target thickness of the adhesive layer for bonding the layer to be bonded according to the bonding strength;
[0048] Immersing the terry pile structure adhesive tape with the thickness of the first adhesive layer or the second adhesive layer being the target thickness in water, and taking it out after sufficient wetting;
[0049] Pasting the wet terry pile structure adhesive tape with the thickness of the first adhesive layer or the second adhesive layer being the target thickness on the surface of the layer to be bonded;
[0050] Pasting the air-tightness waterproof membrane on the side of the terry pile structure adhesive tape away from the layer to be bonded.
[0051] The installation of waterproof and airtight film is mainly divided into two categories: the first is the adhesive type, and the second is the self-adhesive type. The installation method of the adhesive type is as follows: cleaning the floating dust and dirt on the sticking base layer, evenly spraying the adhesive with a glue gun, and then evenly spreading the adhesive with a metal scraper. The airtight film with a pre-stuck corner is pasted on the evenly spread adhesive layer, and the airtight film and the adhesive layer are pressed tightly with a scraper to make them tightly adhere to each other. The corner position is treated well to ensure the integrity and continuity of the airtight layer. The main problems are as follows: the bottom coating and gluing are manually operated, which requires professional glue coating workers and the labor cost of the glue coating workers is higher than that of general installers. The bottom coating and gluing process includes extruding, spreading, and leveling, and the construction period is long. After the adhesive is cured for 12-24 hours, the next construction process can be carried out, and the waiting period is long. The installation method of the self-adhesive type is as follows: cleaning the floating dust and dirt on the base layer, and rolling the interface agent on the wall with more floating dust. The airtight film with a pre-stuck corner is unfolded, the release film is removed, and the airtight film is tightly pasted on the wall. The corner position is treated well to ensure the integrity and continuity of the airtight layer. The main problems are as follows: the airtight film contains less adhesive, the thickness of the adhesive layer is only about 0.1 mm, and due to the relatively poor construction environment, the uneven bonded surface and the thin adhesive layer, the adhesive is not firm and the subsequent layered cracking risk is high, which greatly affects the construction quality and subsequent delivery risk.
[0052] The application uses a self-made loop structure adhesive tape, the thickness of the adhesive layer can be adjusted according to the height of the loop, and the target thickness of the adhesive layer can be directly obtained without skilled glue workers for layer-by-layer brushing. In addition, the airtight film at the corner of the window sill does not need to be treated with a corner, and the thickness of the adhesive of the adhesive tape can ensure that the airtight film can be flatly adhered to the wall corner without tension when it is unfolded and pasted, which saves the process of later worker glue supplement. In addition, the curing time of the water-curing adhesive layer can be controlled within 5-120 minutes according to the construction requirements, which greatly shortens the construction and waiting time and effectively reduces the labor cost.
[0053] The specific construction steps are as follows:
[0054] 1. Before installing the door and window, the waterproof and vapor barrier film and the vapor permeable film are respectively pasted and fixed along the indoor side of the door and window frame using the pre-stuck back adhesive. The corner part should not be overlapped and folded into a corner, and the joint length of the airtight film should be not less than 50 mm.
[0055] 2. Install and fix the door and window on the wall, clean the surrounding wall surface, select a suitable width of loop structure adhesive tape (the pasting width of the airtight film on the wall should be ≥ 50 mm, and the width of the adhesive tape should be ≥ 60 mm), and ensure that the airtight layer can be completely covered. Open the packaging bag of the loop structure adhesive tape, pour water into the packaging bag, squeeze for a few seconds, take out the adhesive tape, squeeze out the excess water in the adhesive tape, slightly tighten one end of the adhesive tape, make the material surface flat, and roll and press the loop surface of the adhesive tape and the building bonding surface with a roller for 2-3 times to fully compact.
[0056] 3. Unfold the airtight film pre-glued to the window frame, starting from the overlapping joints, and stick them on the terry structural tape in a counterclockwise direction. Use a metal scraper to flatten and compact the film and tape. For areas with wrinkles, scrape them repeatedly until they are flat.
[0057] 4. At the corners, stretch the airtight film naturally and lay it on the tape without filling it with glue. The 50mm overlapping part of the airtight film joint should be filled with matching primer and smoothed with a metal plate.
[0058] 5. After the installed loop structural tape and airtight membrane are cured and bonded, cement mortar or putty should be used to completely cover the tape and membrane to achieve an aesthetic effect.
[0059] In some embodiments of the present invention, before applying the first adhesive layer or the second adhesive layer of the wetted loop structure tape having a target thickness to the surface of the layer to be bonded, the method further includes:
[0060] Clean the layer to be bonded and make its surface clean and dry.
[0061] In some embodiments of the present invention, after applying the airtight waterproof membrane to the side of the loop structural tape away from the layer to be bonded, the method further includes:
[0062] Apply a thin layer of plaster or paint evenly on the outer surface of the airtight waterproof membrane.
[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A loop structure tape, characterized in that: It includes an intermediate layer, a first adhesive layer and a second adhesive layer, wherein the first adhesive layer and the second adhesive layer are respectively located on both sides of the intermediate layer, and a plurality of loops are provided on the surface of the intermediate layer. The loops are arc-shaped structures made of fiber fabric, and the two end points of the arc-shaped structures are fixed on the interface of the intermediate layer. The loops are perpendicular to the intermediate layer and wrapped in the first adhesive layer and / or the second adhesive layer.
2. The loop structure tape according to claim 1, characterized in that: The height of the pile loops from the surface of the middle layer is 0.1 to 5 mm.
3. The loop structure tape according to claim 1, characterized in that: The density of the pile loops is 12,000 to 18,000 pieces per square meter.
4. The loop structure tape according to claim 1, characterized in that: The diameter of the fiber fabric used to prepare the loops is 0.1 to 0.2 mm.
5. The loop structure adhesive tape according to claim 1, characterized in that: The fiber fabric for preparing the loops includes one fiber selected from the group consisting of polyester, nylon, acrylic, polypropylene, aramid, glass fiber, and carbon fiber, or a combination of multiple woven fibers.
6. The loop structure adhesive tape according to claim 1, characterized in that: The pile loops are obtained by weaving, knitting or splitting a sandwich fabric from a core layer.
7. The loop structure adhesive tape according to any one of claims 1 to 6, characterized in that: The first adhesive layer and the second adhesive layer are made of a material that is water-curable adhesive.
8. A construction method, characterized in that: Based on the terry structural tape according to claim 7, the construction method is applied to the installation of an airtight membrane, comprising: Determining the bonding strength of the layers to be bonded, and determining a target thickness of the adhesive layer used to bond the layers to be bonded based on the bonding strength; immersing the loop structure tape having the first adhesive layer or the second adhesive layer having the target thickness in water and taking it out after being fully soaked; Applying the first adhesive layer or the second adhesive layer of the wetted loop structure tape having a thickness of the target thickness to the surface of the layer to be bonded; Apply an airtight waterproof membrane to the side of the loop structural tape away from the layer to be bonded.
9. A construction method according to claim 8, characterized in that: Before applying the first adhesive layer or the second adhesive layer of the wetted loop structure tape having a thickness of the target thickness to the surface of the layer to be bonded, the method further includes: Clean the layer to be bonded to make its surface clean and dry.
10. A construction method according to claim 8, characterized in that: After applying the airtight waterproof film to the side of the loop structural tape away from the layer to be bonded, the method further comprises: Evenly apply a thin layer of plaster or paint on the outer surface of the airtight waterproof membrane.