CN213261522U

CN213261522U - Multilayer co-extrusion polyolefin protective film

Info

Publication number: CN213261522U
Application number: CN202021606507.9U
Authority: CN
Inventors: 申亮; 徐步军
Original assignee: Hai Rui Tianjin Adhesive Products Co ltd
Current assignee: Hai Rui Tianjin Adhesive Products Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-05-25
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a multilayer is polyolefin protection film altogether belongs to protection film technical field, including crowded polyolefin protection film altogether, the inside of crowded polyolefin protection film altogether includes base film layer, enhancement layer, heat-conducting layer, polypropylene resin, heat conduction silica gel, corrosion-resistant layer, inorganic anticorrosive paint, adhesive linkage, bonding resin, the both ends of base film layer have set gradually enhancement layer, heat-conducting layer and corrosion-resistant layer. The utility model discloses a heat-conducting layer of installation can improve the heat conductivility of crowded polyolefin protection film altogether to a certain extent, and then can improve the heat dissipation heat conductivility of crowded polyolefin protection film altogether to can improve the result of use.

Description

Multilayer co-extrusion polyolefin protective film

Technical Field

The utility model relates to a protection film technical field especially relates to a polyolefin protection film is crowded altogether to multilayer.

Background

The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application. With the popularization of digital products such as mobile phones in China, the protective film has become a general name of the screen protective film slowly, and the function of the protective film in the field of screen protective films is also five-flower eight-door. The materials have undergone more than 5 years of development from the earliest PP materials to the current popular AR materials, and are slowly accepted by the vast cell phone population.

Patent number CN204914788U discloses a multilayer co-extrusion polyolefin protective film, which comprises a polyolefin base film layer, an adhesive resin layer, a PE resin layer and a rubber pressure sensitive adhesive layer, which are sequentially stacked; the multilayer co-extrusion polyolefin base film layer is a co-extrusion PE film added with polyamide, the bonding resin layer is made of DuPont Bynel resin, and the pressure-sensitive adhesive layer is a rubber pressure-sensitive adhesive layer; the thickness of the multilayer co-extrusion polyolefin base film layer is 10-15 um, the thickness of the bonding resin layer is 5-8 um respectively, the thickness of the PE resin layer is 25-40 um, and the thickness of the rubber pressure-sensitive adhesive layer is 2-6 um. The utility model provides a multilayer is crowded polyolefin protection film altogether directly pastes and is covered when panel, and the adhesive force is stable, and rubber gluing agent cohesive energy is high, receives to strike ductility good, and the gluing agent receives to strike to be difficult for falling to glue, and the super low smoothness nature in top layer is difficult for breaking, and the stamping forming degree of depth is dark.

The multilayer co-extruded polyolefin protective film has the following disadvantages in use: 1. the multilayer co-extrusion polyolefin protective film has poor impact resistance and poor mechanical property when in use.

2. The multilayer co-extrusion polyolefin protective film has poor heat conductivity when in use, and easily influences the heat dissipation effect of electronic products.

SUMMERY OF THE UTILITY MODEL

The utility model provides a polyolefin protection film is crowded altogether to multilayer aims at the heat-conducting layer through the installation, can improve the heat conductivility of polyolefin protection film altogether to a certain extent, and then can improve the heat dissipation heat conductivility of polyolefin protection film altogether to can improve the result of use.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of polyolefin protection film is crowded altogether to multilayer, including crowded polyolefin protection film altogether, the inside of crowded polyolefin protection film altogether includes base film layer, enhancement layer, heat-conducting layer, polypropylene resin, heat conduction silica gel, corrosion-resistant layer, inorganic anticorrosive coating, adhesive linkage, bonding resin, the both ends of base film layer have set gradually enhancement layer, heat-conducting layer and corrosion-resistant layer.

Optionally, the reinforcing layer is filled with polypropylene resin.

Optionally, the heat conducting layer is filled with heat conducting silica gel.

Optionally, the corrosion-resistant layer is filled with an inorganic anticorrosive paint.

Optionally, an adhesive layer is arranged between the reinforcing layer, the heat conducting layer and the corrosion-resistant layer, and adhesive resin is filled in the adhesive layer.

The utility model has the advantages as follows:

1. the utility model discloses a enhancement layer that sets up, polypropylene resin is the combined material of thermoplastic and resin of a semi-crystalline, because polypropylene has higher impact resistance, mechanical property is tough, multiple organic solvent and acid-base corrosion resistance, and molar mass is big, the frenulum molecule is many, the ability that prevents the crack propagation is stronger, can supply certain impact resistance, the corrosion resistant layer inside inorganic anticorrosive coating who sets up simultaneously, the component is colorless transparent liquid, mainly constitute by composite oxide nanometer dispersion, fabulous corrosion resistance has, moisture resistant atmosphere, acid rain, sea water and salt fog are corroded, high stability has, can prevent that co-extrusion polyolefin protective film from being corroded by external environment, can improve the result of use of co-extrusion polyolefin protective film.

2. The utility model has the advantages that through the arranged heat conduction layer, the heat conduction silica gel can well fill the gap of the contact surface, air is extruded out of the contact surface, and the air is a poor heat conductor and can seriously obstruct the transfer of heat between the contact surfaces; the heat conduction silica gel is supplemented, so that the contact surfaces can be in better full contact, and the face-to-face contact is really realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a multilayer co-extrusion polyolefin protective film according to an embodiment of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of a multilayer co-extruded polyolefin protective film according to an embodiment of the present invention.

In the figure: 1. a base film layer; 2. a reinforcing layer; 3. a heat conductive layer; 4. a polypropylene resin; 5. heat conducting silica gel; 6. a corrosion-resistant layer; 7. inorganic anticorrosive paint; 8. an adhesive layer; 9. a binding resin; 10. co-extruding polyolefin protective film.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A multilayer co-extrusion polyolefin protective film according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a pair of multilayer is crowded polyolefin protection film altogether, including crowded polyolefin protection film 10 altogether, the inside of crowded polyolefin protection film 10 altogether includes base film layer 1, enhancement layer 2, heat-conducting layer 3, polypropylene resin 4, heat conduction silica gel 5, corrosion resistant layer 6, inorganic anticorrosive coating 7, adhesive linkage 8, bonding resin 9, the both ends of base film layer 1 have set gradually enhancement layer 2, heat-conducting layer 3 and corrosion resistant layer 6, through the heat-conducting layer of installation, can improve the heat conductivility of crowded polyolefin protection film altogether to a certain extent, and then can improve the heat dissipation heat conductivility of crowded polyolefin protection film altogether to can improve the result of use.

Referring to fig. 1 and 2, the polypropylene resin 4 is filled in the reinforcing layer 2, and the impact strength of the co-extruded polyolefin protective film can be increased by the reinforcing layer.

Referring to fig. 2, the heat conducting layer 3 is filled with heat conducting silica gel 5, and the heat conducting performance of the co-extruded polyolefin protective film can be improved through the arranged corrosion-resistant layer.

Referring to fig. 1, the corrosion-resistant layer 6 is filled with an inorganic corrosion-resistant coating 7, and the corrosion resistance of the co-extruded polyolefin protective film can be improved by the corrosion-resistant layer.

Referring to fig. 1 and 2, an adhesive layer 8 is arranged among the reinforcing layer 2, the heat conducting layer 3 and the corrosion-resistant layer 6, adhesive resin 9 is filled in the adhesive layer 8, and the reinforcing layer, the heat conducting layer and the corrosion-resistant layer can be adhered together through the arranged adhesive layer.

The embodiment of the utility model provides a multilayer is crowded polyolefin protection film altogether, the inside polypropylene resin 4 of enhancement layer 2 is the mixed material of a semi-crystalline thermoplastic and resin, because polypropylene has higher impact resistance, mechanical properties is tough, multiple organic solvent and acid-base corrosion resistance, and molar mass is big, the frenulum molecule is many, the ability that prevents the crack propagation is stronger, can supply certain shock resistance, the inorganic anticorrosive coating 7 of the inside of the corrosion resistant layer 6 that sets up simultaneously, the component is colorless transparent liquid, mainly constitute by composite oxide nanometer dispersion, have fabulous corrosion resistance, moisture resistant atmosphere, acid rain, sea water and salt spray corrosion, have high stability, can prevent that crowded polyolefin protection film 10 altogether is corroded by external environment, can improve the result of use of crowded polyolefin protection film 10 altogether, the clearance of the packing contact surface that heat conduction silica gel 5 can be fine, air is squeezed out of the contact surfaces, which is a poor conductor of heat and can seriously hinder the heat transfer between the contact surfaces; the heat conduction silica gel 5 is supplemented, so that the contact surfaces can be in better full contact, and the face-to-face contact is really achieved.

It should be noted that, the utility model relates to a polyolefin protection film is crowded altogether to multilayer, including base film layer 1, the enhancement layer 2, the heat-conducting layer 3, polypropylene resin 4, heat conduction silica gel 5, corrosion-resistant layer 6, inorganic anticorrosive coating 7, the adhesive linkage 8, adhesive resin 9, crowded polyolefin protection film 10 altogether, above-mentioned electrical components are prior art product, by the needs of using of technical staff in the field, select, install and accomplish the debugging operation of circuit, ensure that each electrical equipment homoenergetic normally works, the part is the part that general standard spare or technical staff in the field know, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method, this applicant does not do specific restriction here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a multilayer is polyolefin protection film altogether, includes altogether polyolefin protection film (10), its characterized in that, the inside of coextruding polyolefin protection film (10) includes base film layer (1), enhancement layer (2), heat-conducting layer (3), polypropylene resin (4), heat conduction silica gel (5), corrosion-resistant layer (6), inorganic anticorrosive coating (7), adhesive linkage (8), bonding resin (9), the both ends of base film layer (1) have set gradually enhancement layer (2), heat-conducting layer (3) and corrosion-resistant layer (6).

2. A multilayer co-extruded polyolefin protective film according to claim 1, characterized in that the interior of the reinforcing layer (2) is filled with polypropylene resin (4).

3. A multilayer co-extruded polyolefin protective film according to claim 1, characterized in that the heat conductive layer (3) is filled with heat conductive silica gel (5).

4. A multilayer co-extruded polyolefin protective film according to claim 1, characterized in that the corrosion resistant layer (6) is internally filled with an inorganic corrosion resistant coating (7).

5. A protective multilayer co-extruded polyolefin film according to claim 1, wherein an adhesive layer (8) is arranged between the reinforcing layer (2), the heat conducting layer (3) and the corrosion-resistant layer (6), and the inside of the adhesive layer (8) is filled with adhesive resin (9).