CN214646548U

CN214646548U - Multilayer composite film

Info

Publication number: CN214646548U
Application number: CN202120569078.0U
Authority: CN
Inventors: 宋建丰; 宋晓敏; 吴杰
Original assignee: Changshu Yingyang Plastic Products Co ltd
Current assignee: Changshu Yingyang Plastic Products Co ltd
Priority date: 2021-03-20
Filing date: 2021-03-20
Publication date: 2021-11-09
Anticipated expiration: 2031-03-20

Abstract

The utility model discloses a multilayer composite film, which comprises a composite film, a scratch-resistant layer and an anti-slip groove, the top of the composite film is fixedly bonded with a scratch-resistant layer, the top of the scratch-resistant layer is provided with an anti-slip groove, the anti-slip groove penetrates through the top of the scratch-resistant layer and extends to the middle part, the anti-slip grooves are uniformly distributed outside the anti-slip layer, the bottom of the anti-slip layer is bonded with the polyethylene film layer, the polystyrene film has proper oxygen permeability, excellent water vapor permeability and antifogging property, has good light transmission property, and simultaneously the cellophane has good light transmission property, the polystyrene film and the cellophane are matched with each other to ensure that the composite film has good light transmission property, the light transmission property of the composite film is greatly improved, this composite film can be effectual solution complex film easily be by the problem of lacerating through the setting of scratch-resistant layer, very big promotion this composite film use the universality, simultaneously still very big promotion composite film's life.

Description

Multilayer composite film

Technical Field

The utility model relates to a composite film technical field specifically is a multilayer composite film.

Background

The high polymer material is compounded by two or more layers of films made of different materials and is mainly used for packaging. By compounding, materials with comprehensive properties of each single material can be obtained, and the used base materials mainly comprise plastic films (such as Polyethylene (PE), polypropylene (PP), polystyrene, polyvinyl chloride (PVC), Polyester (PET) and the like), cellophane, paper, metal foil (AL) and the like. The substrate can be compounded by adopting an extrusion compounding method or by means of an adhesive. Polyethylene is taken as an example. The extrusion compounding process includes feeding polyethylene into the material bin, extruding molten film in certain thickness via the extruder, compounding the molten film with the fed base material between the pressure roller and the cooling roller, and winding to obtain the product. Introducing a second base material from the cooling roller to prepare a polyethylene sandwich three-layer composite film; if polyethylene is further added on two sides of the composite film, the five-layer composite film can be obtained. The polyethylene composite film has wide application, and the device for preparing the multilayer composite film by the adhesive is to coat the adhesive on a film or other base materials by a coating machine, dry the adhesive in a drying area and then carry out hot-pressing compounding on the adhesive and other base materials. After the base material is coated with the adhesive, the base material can be compounded with other base materials and then dried. Can be compounded into various composite materials by glue.

The existing common composite film has certain defects on light transmission due to the adhesion of glue, the light transmission effect is common, and meanwhile, the common film is easy to scratch in the middle of the use process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a multilayer composite film has solved the not good while of current composite film printing opacity effect film and can be scratched the problem easily when comparatively thin using.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a multilayer composite film, includes the complex film, prevents scraping layer, antiskid groove, the fixed bonding in complex film top has prevents scraping the layer, it is equipped with antiskid groove to prevent scraping the layer top, antiskid groove runs through prevents scraping the layer top and extends to the middle part, antiskid groove evenly distributed is preventing scraping the layer outside, it has the polyethylene thin layer to prevent scraping the bonding of layer bottom.

Furthermore, the polyethylene film layer is adhered to the bottom of the scratch-resistant layer through an adhesive, and the polyethylene film layer is formed by laying multiple layers of polyethylene films.

Furthermore, a vinyl acetate copolymer film layer is adhered to the bottom of the polyethylene film layer through an adhesive, the vinyl acetate copolymer film layer is connected with the scratch-resistant layer through the polyethylene film layer, and the vinyl acetate copolymer film layer is paved through multiple times of vinyl acetate copolymer films to form the vinyl acetate copolymer film layer.

Furthermore, a polypropylene film layer is fixedly adhered to the bottom of the vinyl acetate copolymer film layer through an adhesive, the polypropylene film layer is connected with the polyethylene film layer through the vinyl acetate copolymer film layer, and the polypropylene film layer is formed by laying multiple layers of polypropylene films for adhesion.

Furthermore, a polystyrene film layer is fixedly adhered to the bottom of the polypropylene film layer through an adhesive, the polystyrene film layer is connected with the vinyl acetate copolymer film layer through the polypropylene film layer, and cellophane is adhered to the bottom of the polystyrene film layer through the adhesive.

Furthermore, the bottom of the glass paper is bonded with an anti-oxidation film through an adhesive, the bottom of the anti-oxidation film is connected with the polystyrene film through the glass paper, the bottom of the anti-oxidation film is bonded with an adsorption film layer through the adhesive, and the adsorption film layer is connected with the glass paper through the anti-oxidation film.

(III) advantageous effects

The utility model provides a multilayer composite film. The method has the following beneficial effects:

(1) this composite film, through the setting of cellophane and polystyrene film layer can effectual promotion composite film's light transmissivity, the moderate degree oxygen permeability of polystyrene film, good vapor permeability and antifog have good light transmissivity while cellophane has good light transmissivity, mutually supporting of polystyrene film and cellophane makes this composite film have good light transmissivity, very big promotion composite film's light transmissivity.

(2) This composite film, through prevent scraping the setting on layer can effectual promotion composite film prevent drawing the nature, traditional polyethylene film has fine ductility but uses under certain special condition, can be scratched and can not reach operation requirement, but this composite film can effectually solve this kind of problem through preventing scraping the setting on layer, very big promotion this composite film use the universality, simultaneously still very big promotion composite film's life.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural diagram of the present invention.

In the figure, 1-composite film, 2-scratch-resistant layer, 3-anti-slip groove, 4-polyethylene film layer, 5-vinyl acetate copolymer film layer, 6-polypropylene film layer, 7-polystyrene film layer, 8-cellophane, 9-antioxidant film and 10-adsorption film layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a multilayer composite film, includes complex film 1, prevents scraping layer 2, antiskid groove 3, the fixed bonding in 1 top of complex film has prevents scraping layer 2, it is equipped with antiskid groove 3 to prevent scraping layer 2 top, antiskid groove 3 runs through and prevents scraping layer 2 top and extend to the middle part, 3 evenly distributed in antiskid groove is preventing scraping layer 2 outsides, prevent scraping 2 bottom bonding in layer and have polyethylene thin layer 4, prevent the use approach that can effectual promotion complex film of setting up on scraping the layer, simultaneously still very big promotion composite film's life.

The polyethylene film layer 4 is adhered to the bottom of the scratch-resistant layer 2 through an adhesive, the polyethylene film layer 4 is formed by laying a plurality of layers of polyethylene films, the polyethylene films have good ductility and are manufactured through a low-density manufacturing process, and therefore the polyethylene has good light transmittance.

The bottom of the polyethylene film layer 4 is adhered with a vinyl acetate copolymer film layer 5 through an adhesive, the vinyl acetate copolymer film layer 5 is connected with the scratch-resistant layer 2 through the polyethylene film layer 4, the vinyl acetate copolymer film layer 5 is formed by laying a plurality of vinyl acetate copolymer films, and the vinyl acetate copolymer film has sealing property, adhesiveness, flexibility, toughness and tightness and is suitable for elastic packaging films.

The bottom of the vinyl acetate copolymer film layer 5 is fixedly bonded with a polypropylene film layer 6 through an adhesive, the polypropylene film layer 6 is connected with a polyethylene film layer 4 through the vinyl acetate copolymer film layer 5, the polypropylene film layer 6 is formed by laying a plurality of polypropylene film layers for bonding, and the polystyrene film has the advantages of no toxicity, oil resistance, fragrance preservation, easy heat sealing, high transparency and good printing effect.

The bottom of the polypropylene film layer 6 is fixedly adhered with a polystyrene film layer 7 through an adhesive, the polystyrene film layer 7 is connected with the vinyl acetate copolymer film layer 5 through the polypropylene film layer 6, the bottom of the polystyrene film layer 7 is adhered with cellophane 8 through the adhesive, and the polystyrene has the advantages of high transparency, no toxicity, easiness in welding, convenience in forming and processing, low cost and the like.

The bottom of the glass paper 8 is adhered with an anti-oxidation film 9 through an adhesive, the bottom of the anti-oxidation film 9 is connected with a polystyrene film layer 7 through the glass paper 8, the bottom of the anti-oxidation film 9 is adhered with an adsorption film layer 10 through the adhesive, the adsorption film layer 10 is connected with the glass paper 8 through the anti-oxidation film 9, the anti-oxidation film has good anti-oxidation performance, the anti-oxidation performance becomes very important when the film is exposed in the air for a long time, and the anti-oxidation film has good anti-oxidation performance, so that the service life of the composite film can be greatly prolonged.

The working principle is as follows: the first layer of the composite film 1 is firstly provided with a primary anti-scraping layer 2, the outer wall of the anti-scraping layer 2 is carved with an anti-skidding groove 3 through a machine, the bottom of the anti-scraping layer 2 is fixedly bonded with a polyethylene film layer 4 through an adhesive, the contact of the film bonded by the adhesive is good, meanwhile, the top of the polyethylene film layer 4 is bonded with a vinyl acetate copolymer film layer 5 through the adhesive, the polyethylene film layer 4 and the vinyl acetate copolymer film layer 5 bonded by the adhesive can not cause other damages to the vinyl acetate copolymer film layer 5 and the polyethylene film layer 4, meanwhile, the bottom of the vinyl acetate copolymer film layer 5 is bonded with a polypropylene film layer 6 through the adhesive, the ductility of the polypropylene film layer bonded by the adhesive can not be reduced due to the adhesive bonding, the bottom of the polypropylene film layer 7 is bonded with a polystyrene film layer through the adhesive, and the light transmittance of the polystyrene film layer bonded by the adhesive can not cause damage, meanwhile, the light transmittance of the cellophane 8 bonded at the bottom of the polystyrene film layer 7 through the adhesive is not affected, the oxidation resistance of the antioxidant film 9 bonded at the bottom of the cellophane 8 through the adhesive can be kept, and meanwhile, the adsorption film layer 10 bonded at the bottom of the antioxidant film 9 through the adhesive can effectively bond the adsorption film layer and the antioxidant film 9 together.

The utility model discloses a 1-complex film, 2-prevent scraping layer, 3-antiskid groove, 4-polyethylene film layer, 5-vinyl acetate copolymer film layer, 6-polypropylene ethylene film layer, 7-polystyrene film layer, 8-cellophane, 9-anti-oxidation film, 10-adsorption film layer, the part is the general standard component or the part that technical staff in this field knows, its structure and principle all can be known through the technical manual or through the conventional experimental method for this technical staff, the problem that the utility model solves is that the light transmission effect of the existing complex film is not good and the film is easy to be lacerated when thin and used, the utility model discloses through the mutual combination of the above-mentioned parts, the film all has good oxygen permeability, good vapor permeability and antifogging, and also has good light transmission simultaneously, simultaneously cellophane has good light transmissivity, and the mutually supporting of polystyrene film and cellophane makes this composite film have good light transmissivity, very big promotion composite film's light transmissivity, the layer of preventing scraping sets up the effectual life who promotes the film simultaneously.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multilayer composite film characterized by: including complex film (1), prevent scraping layer (2), antiskid groove (3), fixed bonding in complex film (1) top has prevents scraping layer (2), it is equipped with antiskid groove (3) to prevent scraping layer (2) top, antiskid groove (3) are run through and are prevented scraping layer (2) top and extend to the middle part, antiskid groove (3) evenly distributed is preventing scraping layer (2) outside, it has polyethylene thin layer (4) to prevent scraping layer (2) bottom bonding.

2. The multilayer composite film according to claim 1, wherein: the polyethylene film layer (4) is adhered to the bottom of the scratch-resistant layer (2) through an adhesive, and the polyethylene film layer (4) is formed by laying multiple layers of polyethylene films.

3. The multilayer composite film according to claim 2, wherein: the bottom of the polyethylene film layer (4) is adhered with a vinyl acetate copolymer film layer (5) through an adhesive, the vinyl acetate copolymer film layer (5) is connected with the scratch-resistant layer (2) through the polyethylene film layer (4), and the vinyl acetate copolymer film layer (5) is laid through a plurality of vinyl acetate copolymer films to form the vinyl acetate copolymer film layer (5).

4. The multilayer composite film according to claim 3, wherein: the bottom of the vinyl acetate copolymer film layer (5) is fixedly adhered with a polypropylene ethylene film layer (6) through an adhesive, the polypropylene ethylene film layer (6) is connected with the polyethylene film layer (4) through the vinyl acetate copolymer film layer (5), and the polypropylene ethylene film layer (6) is formed by laying a plurality of layers of polypropylene ethylene films for adhesion.

5. The multilayer composite film according to claim 4, wherein: the bottom of the polypropylene film layer (6) is fixedly adhered with a polystyrene film layer (7) through an adhesive, the polystyrene film layer (7) is connected with the vinyl acetate copolymer film layer (5) through the polypropylene film layer (6), and the bottom of the polystyrene film layer (7) is adhered with glass paper (8) through the adhesive.

6. The multilayer composite film according to claim 5, wherein: the anti-oxidation film is characterized in that an anti-oxidation film (9) is bonded at the bottom of the glass paper (8) through an adhesive, the bottom of the anti-oxidation film (9) is connected with a polystyrene film layer (7) through the glass paper (8), an adsorption film layer (10) is bonded at the bottom of the anti-oxidation film (9) through the adhesive, and the adsorption film layer (10) is connected with the glass paper (8) through the anti-oxidation film (9).