CN216864069U

CN216864069U - High-viscosity plastic-absorbing protective film with excellent toughness

Info

Publication number: CN216864069U
Application number: CN202220895517.1U
Authority: CN
Inventors: 胡铮
Original assignee: Wuxi Junrui New Material Technology Co ltd
Current assignee: Wuxi Junrui New Material Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-01
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a high-viscosity plastic-absorbing protective film with excellent toughness, which comprises a heat-insulating layer, an anti-static layer, a reinforcing fiber layer, a base material layer and a laminating layer which are arranged layer by layer from outside to inside, wherein the base material layer comprises a base material outer layer, a base material middle layer and a base material inner layer, the reinforcing fiber layer is a chlorinated polypropylene layer, magnesium-aluminum silicate fibers are arranged in the reinforcing fiber layer, the laminating layer is a modified trimellitic anhydride copolymer layer, and a protruding part is arranged at the bottom of the laminating layer.

Description

High-viscosity plastic-absorbing protective film with excellent toughness

Technical Field

The utility model relates to the field of resin films, in particular to a high-viscosity plastic-absorption protective film with excellent toughness.

Background

The protective film generally includes a base layer, which is generally made of PE or PVC material, and a glue layer, which is generally made of PVC or PET or PE material, disposed on one surface of the base layer. The protection film is generally attached to the equipment to be protected, the protection film plays a role in protecting the equipment, and after the use is finished, the protection film is torn off from the equipment.

The bonding strength between the protective film and the substrate is one of the most important factors influencing the quality of the protective film, slight scratch is inevitably caused in the process of equipment transportation, but because the equipment surface is usually not flat, a gap exists between the film and the equipment surface, air easily exists in the gap, the vacuum degree between the film and the equipment is insufficient, the film cannot be tightly adhered to the equipment, the film is easily fallen off from the substrate, and the film is also easily torn due to the insufficient toughness of the protective film.

Disclosure of Invention

In view of the above disadvantages of the prior art, the present invention provides a high-viscosity blister protective film with excellent toughness, which has the advantages of improving the vacuum degree between the film and the equipment, greatly improving the viscosity of the film, having good toughness, and reducing the tearing of the film.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a high-viscosity plastic uptake protection film that toughness is excellent, includes insulating layer, antistatic backing, reinforcing fiber layer, substrate layer and the laminating layer that sets up from outer to interior successive layer, the substrate layer includes substrate skin, substrate middle level and substrate inlayer, the reinforcing fiber layer is chlorinated polypropylene layer, be provided with magnesium aluminium silicate fiber silk in the reinforcing fiber layer, the laminating layer is modified trimellitic anhydride copolymer layer, laminating layer bottom is provided with the bellying.

Furthermore, the thickness of the laminating layer is 60-120 mu m.

Further, the surface of the convex part is a spherical surface.

Furthermore, the thickness of the bulge part is 17-42 mu m.

Furthermore, the heat-insulating layer is a polyvinylidene fluoride layer, and the thickness of the heat-insulating layer is 0.1-0.3 mm.

Further, the antistatic layer is a polycarbonate layer, and the thickness of the antistatic layer is 0.05-0.17 mm.

Further, the outer POE layer that is of substrate, the outer thickness of substrate is 0.05 ~ 0.15 mm.

Furthermore, the middle layer of the substrate is an LDPE composite layer, and the thickness of the middle layer of the substrate is 0.12-0.22 mm.

Furthermore, the inner layer of the base material is an LLDPE layer, and the thickness of the inner layer of the base material is 0.05-0.15 mm.

In conclusion, the utility model has the following beneficial effects:

1. the film structure is optimized, the overall strength and toughness of the film are improved through the multilayer composite structure, the heat insulation layer has good thermal stability, the antistatic layer is used for preventing static electricity, the base material layer comprises three layers with different properties, the three layers support and constrain each other, the smoothness of the film is improved, the film is more tightly attached to the surface of equipment, and the viscosity of the film is improved; through laminating and equipment surface contact, laminating itself has good deformability, and the bellying can fill in the tiny pit on the equipment surface when the pressurized, improves the vacuum between film and the equipment, further improves viscidity.

2. The reinforced fiber layer contains the magnesium aluminum silicate fiber, so that the toughness of the film is improved, and when the film is scratched, the fiber in the reinforced fiber layer can also play a role in blocking fracture if the outer layer of the film is torn, so that the toughness of the film is enhanced.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a high-viscosity blister protective film with excellent toughness.

In the figure, 1, a heat insulation layer; 2. an antistatic layer; 3. a reinforcing fiber layer; 4. a substrate layer; 41. an outer layer of a substrate; 42. a substrate middle layer; 43. an inner layer of a substrate; 5. and (7) laminating the layers.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

Example (b):

a high-viscosity plastic uptake protective film with excellent toughness comprises a heat insulation layer 1, an anti-static layer 2, a reinforced fiber layer 3, a base material layer 4 and a laminating layer 5 which are arranged layer by layer from outside to inside as shown in figure 1.

Further, as shown in fig. 1, the thickness of the heat insulation layer 1 is 0.1-0.3 mm, the heat insulation layer 1 is a polyvinylidene fluoride layer, the melting point of the traditional Polyethylene (PE) is about 130-145 ℃, the melting point of the polyvinylidene fluoride is about 170 ℃, the heat stability is good, and wrinkling caused by heating is not easy to occur.

Further, as shown in fig. 1, the thickness of the anti-static layer 2 is 0.05 to 0.17mm, the anti-static layer 2 is a polycarbonate layer, and the polycarbonate itself is an excellent insulating material, which can still have good insulation at a temperature of 120 ℃.

Further, as shown in fig. 1, the thickness of the reinforcing fiber layer 3 is 0.05-0.13 mm, the reinforcing fiber layer 3 is a chlorinated polypropylene layer, and magnesium aluminum silicate fiber yarns are arranged in the reinforcing fiber layer 3 and play a role in reinforcing the connection of the matrix. When the surface of the film is broken due to scratching, the magnesium aluminum silicate fiber filaments can still play a role in connecting the matrix of the reinforced fiber layer 3 due to good tensile property and toughness, and the condition that the whole film is torn is greatly reduced.

Further, as shown in fig. 1, the base material layer 4 includes a base material outer layer 41, a base material middle layer 42 and a base material inner layer 43, and the base material outer layer 41, the base material middle layer 42 and the base material inner layer 43 are also arranged layer by layer from outside to inside. The substrate layer 4 is used as a structural foundation of the film, and different three-layer structures are adopted, so that the structural strength and toughness of the film are increased.

Further, as shown in fig. 1, the outer substrate layer 41 is a POE layer, and the thickness of the outer substrate layer 41 is 0.05 to 0.15 mm. The POE layer is prepared by mixing POE raw materials and hot melt adhesive particles, and the material ratio of the POE to the hot melt adhesive particles is 4: 1. The use of hot melt glue pellets in POE further increases the elasticity and toughness of the outer substrate layer 41.

Further, as shown in fig. 1, the substrate middle layer 42 is an LDPE composite layer, and the thickness of the substrate middle layer 42 is 0.12 to 0.22 mm. The LDPE composite layer is prepared by mixing LDPE, LLDPE and MLLDPE, and the proportion of the LDPE, LLDPE and MLLDPE is 1: 3: 1, the three different plastic bodies have good flexibility and extensibility, which is beneficial to the stretching of the film, so that the film can be more smoothly covered on the surface of the equipment.

Further, as shown in fig. 1, the inner layer 43 of the base material is an LLDPE layer, and the thickness of the inner layer 43 of the base material is 0.05 to 0.15 mm.

Further, as shown in fig. 1, the thickness of the adhesive layer 5 is 60 to 120 μm, the adhesive layer 5 is a modified trimellitic anhydride copolymer layer, and the modified trimellitic anhydride copolymer has good elasticity and viscosity, so that the adhesive layer 5 can be better attached to the surface of equipment when a film is extruded. The bottom of the laminating layer 5 is provided with a tiny protruding part, the thickness of the protruding part is 17-42 microns, the protruding part can be embedded into a tiny recess on the surface of equipment, a gap which can contain air and is generated between the film and the equipment is reduced as far as possible, and the film can be attached to the surface of the equipment more tightly.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. The utility model provides a high viscosity blister protection film that toughness is excellent which characterized in that: including insulating layer, antistatic backing, reinforcing fiber layer, substrate layer and the laminating layer that sets up from outer to interior successive layer, the substrate layer includes substrate skin, substrate middle level and substrate inlayer, the reinforcing fiber layer is chlorinated polypropylene layer, be provided with magnesium aluminium silicate cellosilk in the reinforcing fiber layer, the laminating layer is modified trimellitic anhydride copolymer layer, laminating layer bottom is provided with the bellying.

2. The high-viscosity blister protective film with excellent toughness of claim 1, wherein: the thickness of the laminating layer is 60-120 mu m.

3. The high-viscosity blister protective film with excellent toughness of claim 2, wherein: the surface of the convex part is a spherical surface.

4. The high-viscosity blister protective film with excellent toughness of claim 3, wherein: the thickness of the protruding part is 17-42 mu m.

5. The high-viscosity blister protective film with excellent toughness of claim 1, wherein: the heat-insulating layer is a polyvinylidene fluoride layer, and the thickness of the heat-insulating layer is 0.1-0.3 mm.

6. The high-viscosity blister protective film with excellent toughness of claim 5, wherein: the anti-static layer is a polycarbonate layer, and the thickness of the anti-static layer is 0.05-0.17 mm.

7. The high-viscosity blister protective film with excellent toughness of claim 1, wherein: the outer POE layer that is of substrate, the outer thickness of substrate is 0.05 ~ 0.15 mm.

8. The high-viscosity blister protective film with excellent toughness of claim 7, wherein: the middle layer of the base material is an LDPE composite layer, and the thickness of the middle layer of the base material is 0.12-0.22 mm.

9. The high-viscosity blister protective film with excellent toughness of claim 8, wherein: the inner layer of the base material is an LLDPE layer, and the thickness of the inner layer of the base material is 0.05-0.15 mm.