CN219214576U

CN219214576U - Rainbow lettering membrane of washing-resistant

Info

Publication number: CN219214576U
Application number: CN202023226410.8U
Authority: CN
Inventors: 王世澎
Original assignee: Xiamen Qilei Photoelectric Technology Co ltd
Current assignee: Xiamen Qilei Photoelectric Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2023-06-20
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to the technical field of rainbow lettering films, and discloses a washable rainbow lettering film which comprises a positioning layer, a material layer, an adhesive layer and a hot melt adhesive layer which are fixedly connected in sequence from top to bottom; the material layer comprises a first wear-resistant layer, a rainbow film layer and a second wear-resistant layer which are sequentially and fixedly connected from top to bottom, wherein the top of the first wear-resistant layer is fixedly connected with the bottom of the positioning layer, the top of the second wear-resistant layer is provided with a plurality of connecting convex parts for enhancing the rainbow effect of the rainbow film layer, and the bottom of the first wear-resistant layer is provided with connecting concave parts matched with the connecting convex parts; the adhesive layer comprises a TPU layer. The utility model has the advantage of wear resistance, and can solve the problem that the existing rainbow lettering film is not resistant to water washing.

Description

Rainbow lettering membrane of washing-resistant

Technical Field

The utility model relates to the technical field of rainbow lettering films, in particular to a washable rainbow lettering film.

Background

The lettering film refers to a thermal transfer film which needs to be cut and carved in the thermal transfer process, and has various types, such as TPU elastic lettering film, golden onion lettering film, laser lettering film, imitation metal lettering film, printable lettering film, PVC lettering film, flocking lettering film, rainbow lettering film, cloth lettering film, thick plate lettering film and the like. The rainbow lettering film can be used for reflecting colorful gradual change colors after being irradiated by a light source, is deeply favored by consumers, and is often used for clothes, shoes, caps and the like in the market, so that the clothes have strong technological fashion sense. For the daily washing of convenient clothing, current rainbow membrane of carving characters includes PET layer, rainbow rete and the TPU layer of rigid coupling in proper order, and wherein, the rainbow rete makes the rainbow membrane of carving characters can refract out the rainbow color that dazzles the color under the light source shines, and PET layer and TPU layer all have good water blocking performance, can prevent effectively that water from touching the rainbow rete between the two, avoid the material in the rainbow rete to run off along with rivers to make this rainbow membrane of carving characters can wash along with the clothing together. However, the existing rainbow lettering film has the following technical problems in actual use:

because the elasticity and the wear resistance of PET are insufficient, the PET layer is easy to stretch and split after a few times of washing stretching, cracks appear, water possibly enters from the cracks and contacts the rainbow film layer, so that the material in the rainbow film layer runs off along with water flow, and the rainbow film layer is invalid.

Disclosure of Invention

(one) solving the technical problems

The utility model provides a water-resistant rainbow lettering film, which at least can solve the technical problems that: how to prevent water from contacting the rainbow film layer.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: a rainbow lettering film resistant to water washing comprises a positioning layer, a material layer, an adhesive layer and a hot melt adhesive layer which are fixedly connected in sequence from top to bottom.

The material layer comprises a first wear-resistant layer, a rainbow film layer and a second wear-resistant layer which are sequentially and fixedly connected from top to bottom, wherein the top of the first wear-resistant layer is fixedly connected with the bottom of the positioning layer, the top of the second wear-resistant layer is provided with a plurality of connecting convex parts for enhancing the rainbow effect of the rainbow film layer, and the bottom of the first wear-resistant layer is provided with connecting concave parts matched with the connecting convex parts;

the adhesive layer comprises a TPU layer.

The bottom of the second wear-resistant layer is further provided with an elastic layer.

So set up, the elastic layer is used for improving the resilience and the pliability of the rainbow of resistant washing film of carving characters, and the elastic layer cooperates with first wearing layer and second wearing layer, further solves the problem that current rainbow film of carving characters is not resistant to washing.

Further, the elastic layer is a POE elastomer layer.

By the arrangement, the POE elastomer layer enables the elastomer layer to have excellent toughness, ageing resistance and good processability, can be elastically stretched, and further solves the problem that the existing rainbow lettering film is not resistant to water washing.

Further set up, foretell locate layer includes PET rete and adhesive sticker layer, PET rete bottom and adhesive sticker layer top fixed connection, adhesive sticker layer bottom and first wearing layer top fixed connection.

So set up, the locating layer is used for protecting the rainbow and carves the word membrane surface, makes the rainbow carve the word membrane surface clean, no impurity.

The first wear-resistant layer and the second wear-resistant layer are both biaxially oriented polypropylene film layers.

By the arrangement, the biaxially oriented polypropylene film layer has the advantages of transparency, toughness and wear resistance.

(III) beneficial effects

Compared with the prior art, the rainbow lettering film resistant to water washing has the following beneficial effects:

1. according to the rainbow lettering film resistant to water washing, water can be prevented from entering the material layer through the positioning layer and the bonding layer, water can be further prevented from contacting the rainbow film layer through the first wear-resistant layer and the second wear-resistant layer, the first wear-resistant layer and the second wear-resistant layer have good wear resistance, and the rainbow lettering film is not easy to stretch and split after multiple water washing stretching, so that even if the positioning layer or the bonding layer is damaged, the first wear-resistant layer and the second wear-resistant layer can always protect the rainbow film layer, water is prevented from contacting the rainbow film layer, and the material in the rainbow film layer is prevented from losing along with water flow loss, so that the rainbow lettering film has the water washing resistance.

2. The connecting convex part arranged at the top of the second wear-resistant layer is matched with the connecting concave part arranged at the bottom of the first wear-resistant layer, so that the rainbow film layer between the connecting convex part and the first wear-resistant layer is uneven, and the rainbow effect of the rainbow film layer is enhanced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a positioning layer;

FIG. 3 is a schematic diagram of a structure of a material layer.

Reference numerals: 1. a positioning layer; 11. a PET film layer; 12. a non-setting adhesive layer; 2. a material layer; 21. a first wear layer; 211. a connection recess; 22. an iris layer; 23. a second wear layer; 231. a connection protrusion; 24. an elastic layer; 3. a subsequent layer; 4. and a hot melt adhesive layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of the present utility model, fig. 2 is a schematic structural diagram of a positioning layer, and fig. 3 is a schematic structural diagram of a material layer.

The utility model provides a washable rainbow lettering film which comprises a positioning layer 1, a material layer 2, an adhesive layer 3 and a hot melt adhesive layer 4 which are adhered in sequence from top to bottom.

The material layer 2 comprises a first wear-resistant layer 21, a rainbow film layer 22 and a second wear-resistant layer 23 which are sequentially bonded from top to bottom, and the top of the first wear-resistant layer 21 is bonded with the bottom of the positioning layer 1. The first wear-resistant layer 21 and the second wear-resistant layer 23 are used for improving wear resistance of the rainbow inscription film, and the rainbow film layer 22 enables the rainbow inscription film to refract rainbow colors of dazzling colors under the irradiation of a light source.

The top of the second wear-resistant layer 23 is provided with a plurality of connecting convex parts 231, the bottom of the first wear-resistant layer 21 is provided with connecting concave parts 211 matched with the connecting convex parts 231, and the matching of the connecting convex parts 231 and the connecting concave parts 211 can enable the iris layer 22 to be uneven, so that the rainbow effect of the iris layer 22 is enhanced.

So, through first wearing layer 21 and the cooperation of second wearing layer 23, can improve the wearability of this rainbow inscription membrane of washing-resistant, prevent that water from contacting rainbow rete 22, avoid the material in the rainbow rete 22 to run off along with rivers and lead to inefficacy to make this rainbow inscription membrane have washing-resistant performance.

The wear-resistant layer is a biaxially oriented polypropylene film layer, and the biaxially oriented polypropylene film layer has the advantages of transparency, toughness and wear resistance.

The positioning layer 1 comprises a PET film layer 11 and a self-adhesive layer 12, wherein the bottom of the PET film layer 11 is bonded with the top of the self-adhesive layer 12, and the bottom of the self-adhesive layer 12 is bonded with the top of the first wear-resistant layer 21. The positioning layer 1 is used for protecting the outer surface of the rainbow inscription film, so that the outer surface of the rainbow inscription film is clean and free of impurities.

The adhesive layer 3 comprises a TPU layer which has higher tensile strength, so that the water-resistant rainbow inscription film has stretching resistance.

The elastic layer 24 is adhered to the bottom of the second wear-resistant layer 23, the elastic layer 24 is used for improving the rebound resilience and flexibility of the rainbow inscription film resistant to water washing, and the elastic layer 24 is matched with the first wear-resistant layer 21 and the second wear-resistant layer 23, so that the problem that the existing rainbow inscription film is not resistant to water washing is further solved. The elastic layer 24 is a POE elastic layer, and the POE elastic layer enables the elastic layer 24 to have excellent toughness, ageing resistance and good processability, and can be elastically stretched, so that the problem that an existing rainbow lettering film is not resistant to water washing is further solved.

Therefore, the utility model has the advantage of wear resistance, and solves the problem that the existing rainbow lettering film is not resistant to water washing.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The rainbow lettering film resistant to water washing is characterized by comprising a positioning layer (1), a material layer (2), an adhesive layer (3) and a hot melt adhesive layer (4) which are fixedly connected in sequence from top to bottom;

the material layer (2) comprises a first wear-resistant layer (21), a rainbow film layer (22) and a second wear-resistant layer (23) which are fixedly connected in sequence from top to bottom, the top of the first wear-resistant layer (21) is fixedly connected with the bottom of the positioning layer (1), the top of the second wear-resistant layer (23) is provided with a plurality of connecting convex parts (231) for enhancing the rainbow effect of the rainbow film layer (22), and the bottom of the first wear-resistant layer (21) is provided with connecting concave parts (211) matched with the connecting convex parts (231);

the adhesive layer (3) comprises a TPU layer.

2. The rainbow lettering film resistant to water washing according to claim 1, wherein the second wear layer (23) is provided at the bottom with an elastic layer (24).

3. The water-resistant rainbow lettering film according to claim 2, wherein said elastic layer (24) is a POE elastomer layer.

4. The rainbow lettering film resistant to water washing according to claim 1, wherein the positioning layer (1) comprises a PET film layer (11) and a self-adhesive layer (12), the bottom of the PET film layer (11) is fixedly connected with the top of the self-adhesive layer (12), and the bottom of the self-adhesive layer (12) is fixedly connected with the top of the first wear-resistant layer (21).

5. The water-resistant rainbow lettering film according to claim 1, wherein said first and second wear layers (21, 23) are biaxially oriented polypropylene film layers.