Novel hot melt adhesive film

Abstract

The utility model discloses a novel hot melt adhesive film, which relates to the technical field of hot melt adhesive films and comprises an adhesive film base layer, release paper and a protective film, the release paper and the protective film are arranged on two sides of the outer wall of the adhesive film base layer, a plurality of groups of split belts arranged at intervals are arranged inside the release paper and the protective film, and each group of split belts comprises a first split belt and a second split belt. The surface of the adhesive film base layer is filled with heat-resistant filler, a water-resistant layer is adsorbed on the upper surface of the adhesive film base layer, the lower surface of the adhesive film base layer is filled with a plasticizer, and the plasticizer is a citrate plasticizer. The double-sided adhesive film can perform double-sided protection on the cornea, so that scratches on the surface of the adhesive film before use are ensured, the use quality of the hot melt adhesive film is improved, and meanwhile, the adhesive film can be conveniently divided into multiple sections by the first split belt and the second split belt, so that the adhesive film can be conveniently and quickly used.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot melt adhesive film technical field, concretely relates to a novel hot melt adhesive film. BACKGROUND

[0002] Hot melt adhesive film as a kind of widely used bonding material in modern industry and daily life, it is with thermoplastic polymer as main component, by specific process the film-like product made, plays key role in packaging, clothing, electronics, automobile manufacturing and many other fields.

[0003] But the existing hot melt adhesive film has certain defects when using:

[0004] First, many hot melt adhesive films are only provided with single layer release paper, so that the surface of adhesive film is scratched by contacting and rubbing with external object after being opened, so that the surface quality of adhesive film is reduced;

[0005] Secondly, the existing hot melt adhesive film is insufficient in heat resistance and water resistance, is easily softened and loses bonding strength under high temperature environment, and is prone to delamination in humid environment, so that the use effect of hot melt adhesive film is reduced.

[0006] Therefore, we propose a new type of hot melt adhesive film to solve the above problems. UTILITY MODEL CONTENT

[0007] In view of the above problems existing in the prior art, the utility model is proposed.

[0008] Therefore, the utility model aims at providing a new type of hot melt adhesive film, which solves the problems of poor surface protection of the existing hot melt adhesive film and insufficient internal heat resistance and water resistance.

[0009] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0010] A new type of hot melt adhesive film, comprising adhesive film base layer and release paper and protective film arranged on both sides of the outer wall of the adhesive film base layer, the inside of the release paper and the protective film is provided with a plurality of groups of interval arranged split belts, each group of the split belts comprises first split belt and second split belt;

[0011] The surface of the adhesive film base layer is filled with heat-resistant filler;

[0012] The upper surface of the adhesive film base layer is adsorbed with water-resistant layer;

[0013] The lower surface of the adhesive film base layer is filled with plasticizer, and the plasticizer is citric acid plasticizer.

[0014] Preferably, the adhesive film base layer is polyimide base layer.

[0015] Preferably, the heat-resistant filler is mica powder inorganic filler.

[0016] Preferably, the water-resistant layer is polyurethane hydrophobic resin.

[0017] Further, the adhesive film base layer, heat-resistant filler and water-resistant layer are cured by microwave heating.

[0018] Preferably, an auxiliary tearable part is arranged between the two adjacent first and second split strips.

[0019] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0020] The utility model discloses, through the adhesive film base layer, release paper and protection film and split strip that are equipped, can carry out double -sided protection to cornea, guarantees that the adhesive film exists scratch before surface, has improved the use quality of hot melt adhesive film, and the first split strip and the second split strip are convenient for the multi -segment division of adhesive film, and it is convenient to use quickly to adhesive film.

[0021] The utility model discloses, through the heat-resistant filler and water-resistant layer that are equipped, effectively improved the use strength of hot melt adhesive film. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment or prior art of the present application, the following will briefly introduce the drawings needed in the embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings.

[0023] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is the side view of the utility model;

[0025] Figure 3 It is the internal structure schematic view of the utility model.

[0026] Mark explanation of drawing:

[0027] 1, adhesive film base layer;2, release paper;3, protection film;4, first split strip;5, second split strip;6, heat-resistant filler;7, water-resistant layer;8, auxiliary tearable part;9, plasticizer. CONCRETE IMPLEMENTATION

[0028] In order to make those skilled in the art better understand the technical scheme of the utility model, the following will be further introduced in detail to the utility model in conjunction with the drawings.

[0029] The utility model embodiment discloses a novel hot melt adhesive film.

[0030] The utility model provides a kind of novel hot melt adhesive film as Figures 1-3 As shown in a kind of novel hot melt adhesive film includes adhesive film base layer 1 and is located the release paper 2 and protective film 3 of adhesive film base layer 1 outer wall both sides, adhesive film base layer 1 is polyimide base layer, the inside of release paper 2 and protective film 3 is all set with multiple groups of interval setting split zone, and each group split zone includes first split zone 4 and second split zone 5;

[0031] The surface of adhesive film base layer 1 is filled with heat-resistant filler 6, and the heat-resistant filler 6 is mica powder inorganic filler;

[0032] The upper surface of adhesive film base layer 1 is adsorbed with water-resistant layer 7, and the water-resistant layer 7 is polyurethane hydrophobic resin;

[0033] The lower surface of adhesive film base layer 1 is filled with plasticizer 9, and the plasticizer 9 is citric acid plasticizer, and adhesive film base layer 1, heat-resistant filler 6 and water-resistant layer 7 are cured by microwave heating.

[0034] When the hot melt adhesive film is used, the release paper 2 and the protective film 3 are arranged outside the adhesive film, which can effectively protect the outer wall of the adhesive film before the hot melt adhesive film is attached, and can avoid scratches on the side of the hot melt adhesive film away from the release paper 2 to affect the overall use quality of the adhesive film.

[0035] Meanwhile, the split zone can be arranged to segment the hot melt adhesive film, and the hot melt adhesive film can be easily torn and used.

[0036] When the hot melt adhesive film is used, the use strength of the adhesive film can be improved by arranging the heat-resistant filler 6 and the water-resistant layer 7, and the use strength of the hot melt adhesive film can be further improved by adding the plasticizer 9.

[0037] In order to facilitate the rapid separation of the adhesive film base layer 1 and the attachment for use, as shown in Figure 1 An auxiliary tearing part 8 is arranged between the two adjacent first split zone 4 and second split zone 5.

[0038] When the hot melt adhesive film is used, the hot melt adhesive film can be segmented and arranged by the first split zone 4, and after the adhesive film is segmented and opened, the release paper 2 and the protective film 3 can be arranged in a staggered manner with the adhesive film base layer 1 by arranging the second split zone 5, so as to facilitate the release paper 2 and the protective film 3 to be away from the adhesive film base layer 1, and facilitate the tearing and use of the hot melt adhesive film.

[0039] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A novel hot melt adhesive film, comprising an adhesive film base layer (1) and a release paper (2) and a protective film (3) arranged on both sides of the outer wall of the adhesive film base layer (1), characterized in that, The inside of the release paper (2) and the protective film (3) is provided with a plurality of groups of split belts arranged at intervals, each group of split belts comprising a first split belt (4) and a second split belt (5); The surface of the adhesive film base layer (1) is filled with heat-resistant fillers (6); The upper surface of the adhesive film base layer (1) is adsorbed with a water-resistant layer (7); The lower surface of the adhesive film base layer (1) is filled with a plasticizer (9), which is a citric acid ester plasticizer.

2. The novel hot-melt adhesive film according to claim 1, characterized by The adhesive film base layer (1) is a polyimide base layer.

3. The novel hot-melt adhesive film according to claim 1, characterized in that, The heat-resistant fillers (6) are mica powder inorganic fillers.

4. The novel hot-melt adhesive film according to claim 1, characterized by, The water-resistant layer (7) is a polyurethane hydrophobic resin.

5. The novel hot-melt adhesive film according to claim 1, characterized in that, The adhesive film base layer (1), the heat-resistant fillers (6), and the water-resistant layer (7) are cured by microwave heating.

6. The novel hot-melt adhesive film according to claim 1, characterized in that, An auxiliary tearing part (8) is arranged between two adjacent first split belts (4) and second split belts (5).

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