Disclosure of Invention
The utility model solves the technical problem of how to provide a three-layer composite functional back adhesive which is convenient to uncover release paper and is convenient to use.
In order to solve the technical problems, the utility model provides a three-layer composite functional back adhesive, which comprises the following components: the composite adhesive layer, the first release paper and the second release paper are respectively arranged at the top and the bottom of the composite adhesive layer, and the first release paper and the second release paper are respectively provided with an extension part.
Preferably, the composite adhesive layer comprises a substrate layer, a first adhesive layer and a second adhesive layer, and the first adhesive layer and the second adhesive layer are respectively arranged at the top and the bottom of the substrate layer.
Preferably, the thickness of the substrate layer is 0.5-1mm, and the thickness of the first adhesive layer and the second adhesive layer is 50-80 μm.
Preferably, the first release paper and the second release paper are composed of a bottom paper layer, a laminating layer and a silicone oil layer.
Preferably, the first adhesive layer and the second adhesive layer may be any one of a solvent type adhesive, an emulsion type adhesive, a hot melt type adhesive, a calender type adhesive, and a reaction type adhesive.
Preferably, the substrate layer may be any one of paper, cloth and plastic materials.
Preferably, the extension is not adhered to the composite glue layer.
Compared with the related art, the three-layer composite functional back adhesive provided by the utility model has the following beneficial effects:
the utility model provides a three-layer composite functional back adhesive, which comprises the following components: the composite adhesive layer, the first release paper and the second release paper are respectively arranged at the top and the bottom of the composite adhesive layer, and the first release paper and the second release paper are respectively provided with an extension part. Through compound glue film, first release paper, second release paper, substrate layer, first adhesive layer, second adhesive layer can constitute a novel three-layer compound functional type gum, through the extension that sets up, is convenient for tear when using and tear first release paper and second release paper.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1-2 in combination, fig. 1 is a schematic front sectional view of a preferred embodiment of a three-layer composite functional back adhesive according to the present utility model; fig. 2 is an enlarged schematic view of the portion a shown in fig. 1.
The utility model provides a three-layer composite functional back adhesive, which comprises the following components: the composite adhesive layer 1, the first release paper 2 and the second release paper 3, wherein the first release paper 2 and the second release paper 3 are respectively arranged at the top and the bottom of the composite adhesive layer 1, and the first release paper 2 and the second release paper 3 are respectively provided with an extension part 4.
In this embodiment, a novel three-layer composite functional back adhesive can be formed by the composite adhesive layer 1, the first release paper 2, the second release paper 3, the base material layer 4, the first adhesive layer 5 and the second adhesive layer 6, and the first release paper 2 and the second release paper 3 can be conveniently torn off in use through the arranged extension part 4.
When the compound functional back adhesive is used for adhering articles, a person can hold the extending part 7 on the first release paper 2 to remove the first release paper 2, after the first release paper 2 is removed from the compound adhesive layer 1, the compound adhesive layer 1 and the articles can be adhered together, and then the second release paper 3 can be removed from the extending part 7 on the second release paper 3.
It is worth to say that the compound functional back adhesive provided by the utility model can be made into a roll shape, a sheet shape, a strip shape and other patterns according to the required size, and can be used after being cut off during use; the utility model can also be made into artistic shapes such as heart, flower, round, star, etc., thus meeting the requirements of different users.
In some embodiments, the composite adhesive layer 1 includes a substrate layer 5, a first adhesive layer 6 and a second adhesive layer 7, where the first adhesive layer 6 and the second adhesive layer 7 are respectively disposed on the top and the bottom of the substrate layer 5, and the toughness strength of the first adhesive layer 6 and the second adhesive layer 7 can be improved by combining the substrate layer 5, the first adhesive layer 6 and the second adhesive layer 7.
In some embodiments, the thickness of the substrate layer 5 is 1mm and the thickness of the first adhesive layer 6 and the second adhesive layer 7 is 80 μm.
In some embodiments, the first release paper 2 and the second release paper 3 are composed of a base paper layer, a laminating layer and a silicone oil layer, and the bonding surfaces of the first release paper 2 and the second release paper 3 composed of the base paper layer, the laminating layer and the silicone oil layer are smooth, so that the release paper is convenient to take off and peel, and the toughness is better and is not easy to tear.
In some embodiments, the first adhesive layer 6 and the second adhesive layer 7 may be any one of a solvent-type adhesive, an emulsion-type adhesive, a hot melt-type adhesive, a calender-type adhesive, and a reactive-type adhesive.
In some embodiments, the substrate layer 5 may be any of paper, cloth, and plastic, and the substrate layer is cheaper and cheaper to manufacture, the substrate layer is stronger and more elastic, and the plastic is cheaper and has a longer service life.
In some embodiments, the extension 4 does not adhere to the composite glue layer 1.
Compared with the related art, the three-layer composite functional back adhesive provided by the utility model has the following beneficial effects:
the utility model provides a three-layer composite functional back adhesive, which can form a novel three-layer composite functional back adhesive through a composite adhesive layer 1, a first release paper 2, a second release paper 3, a base material layer 4, a first adhesive layer 5 and a second adhesive layer 6, and is convenient to tear and tear off the first release paper 2 and the second release paper 3 when in use through an extending part 7.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
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 may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 spirit and scope of the utility model as defined by the appended claims and their equivalents.