A low-gloss matt transfer film and a method for producing the same

Abstract

The application provides a low-gloss matt transfer film and a preparation method thereof, and relates to the technical field of matt transfer films.A low-gloss matt transfer film comprises an upper surface layer, a core layer and a lower surface layer.The upper surface layer comprises the following raw materials in parts by weight: 30-40 parts of polypropylene, 10-20 parts of modified polyethylene, 2-5 parts of a matt agent and 0.05-0.2 parts of an antioxidant.The core layer comprises the following raw materials in parts by weight: 80-90 parts of polyolefin, 1-2 parts of an antistatic agent and 1-2 parts of a slip agent.The lower surface layer comprises the following raw materials in parts by weight: 40-60 parts of polypropylene and 1-5 parts of silicon dioxide.The matt transfer film provided by the application has excellent tensile strength, peeling strength and low gloss.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of extinction transfer film, in particular to a low-gloss extinction transfer film and a preparation method thereof. BACKGROUND

[0002] The extinction transfer film is a functional film that can be used for textile printing transfer and printing processing. The product has the characteristics of high haze, low gloss, good diffuse reflection extinction effect, good ink absorption performance, excellent transfer effect, etc. Unlike traditional PET films, the product film surface does not need a release layer, and can be directly coated with UV ink or subjected to gold stamping processing. Through heating and pressurization, the patterns and patterns are completely transferred to the fabric, leather and other materials, thereby improving the appearance effect of the finished product. However, the gloss of the existing extinction film still cannot meet the market demand, and therefore, it is urgent to develop a low-gloss extinction transfer film, which is of great significance for the wide application of extinction transfer film. SUMMARY

[0003] Based on the technical problems existing in the background art, the present application provides a low-gloss extinction transfer film and a preparation method thereof.

[0004] The low-gloss extinction transfer film provided by the present application comprises an upper surface layer, a core layer and a lower surface layer.

[0005] The upper surface layer comprises the following raw materials by weight: 30-40 parts of polypropylene, 10-20 parts of modified polyethylene, 2-5 parts of extinction agent and 0.05-0.2 parts of antioxidant.

[0006] Preferably, the preparation method of the modified polyethylene comprises the following steps: uniformly mixing polyethylene and p-xylene at a T1 temperature to obtain a solution A, uniformly mixing maleic anhydride and dicumyl peroxide at a T2 temperature to obtain a solution B, adding the solution B to the solution A and reacting at a T3 temperature to obtain a preform, adding p-xylene to the preform at a T4 temperature, uniformly mixing, adding acetone and uniformly stirring, standing, filtering to obtain the modified polyethylene.

[0007] More preferably, the T1 temperature is 100-140 DEG C, the T2 temperature is 40-60 DEG C, the T3 temperature is 130-180 DEG C, and the T4 temperature is 80-130 DEG C.

[0008] More preferably, the mass ratio of the polyethylene and p-xylene is (1-2):10.

[0009] More preferably, the mass ratio of the polyethylene, maleic anhydride and dicumyl peroxide is 100:(1-5):(0.1-0.2).

[0010] More preferably, the mass ratio of the preform, p-xylene, acetone is (1-2):(10-15):(20-30).

[0011] Preferably, the preparation method of the matting agent comprises the following steps:

[0012] After the sodium silicate, water and dilute nitric acid are uniformly mixed, sodium hydroxide is added to obtain a premix, the premix is subjected to immersion treatment to obtain a mixture, silicon dioxide and methyltrimethoxysilane are added to the mixture, and the mixture is uniformly mixed and dried to obtain the matting agent.

[0013] More preferably, the mass ratio of the sodium silicate, water, dilute nitric acid, and sodium hydroxide is (1-3):(10-15):25:(0.1-0.2).

[0014] More preferably, the molar concentration of the dilute nitric acid is 0.5-2 mol / L.

[0015] More preferably, the immersion treatment comprises immersion in a methanol solution for 2-6 h.

[0016] More preferably, the mass fraction of the methyltrimethoxysilane is 1-5 wt%.

[0017] More preferably, the silicon dioxide comprises 0.1-1 µm silicon dioxide and 2-5 µm silicon dioxide.

[0018] More preferably, the mass ratio of the mixture, silicon dioxide, and methyltrimethoxysilane is 1:1:(10-20).

[0019] The core layer comprises the following raw materials by weight: 80-90 parts of polyolefin, 1-2 parts of antistatic agent, and 1-2 parts of slip agent.

[0020] Preferably, the polyolefin comprises one or more of polypropylene and polyethylene.

[0021] More preferably, the mass ratio of the polypropylene and polyethylene is (1-2):1.

[0022] The lower surface layer comprises the following raw materials by weight: 40-60 parts of polypropylene and 1-5 parts of silicon dioxide.

[0023] Preferably, the thickness ratio of the upper surface layer, core layer, and lower surface layer is (1-4):(6-15):(1-4).

[0024] The present application also proposes a preparation method of a low-gloss matting transfer film, comprising the following steps:

[0025] S1, uniformly mix the raw materials of the upper surface layer, core layer, and lower surface layer, and extrude to obtain a melt;

[0026] S2, the melt is compounded, cast, longitudinally drawn, transversely drawn, wound, and slit to obtain the low-gloss extinction transfer film.

[0027] Preferably, in S1, the extrusion temperature is 200-250℃.

[0028] Preferably, in S2, the cooling temperature of the cast sheet is 20-30℃.

[0029] Preferably, in S2, the longitudinal drawing temperature is 90-130℃.

[0030] Preferably, in S2, the transverse drawing temperature is 130-160℃.

[0031] The present application has the following advantages:

[0032] The upper surface layer of the low-gloss extinction transfer film of the present application comprises polypropylene, modified polyethylene, extinction agent, and antioxidant, and the various raw materials synergistically act together to produce an extinction transfer film with excellent tensile strength, peel strength, and low gloss. The modified polyethylene helps to better combine with the extinction agent to form a multi-layer network structure, ensuring the uniformity of extinction of the extinction transfer film, reducing the gloss of the extinction transfer film, and also helping to improve the tensile properties of the extinction transfer film. In the present application, the extinction agent changes the surface texture, making it rough on a microscopic level, and causes diffuse reflection to reduce the gloss of the extinction transfer film. In the present application, polypropylene and modified polyethylene are beneficial to regulating the surface structure of the extinction transfer film due to their different crystallization rates. The low-gloss extinction transfer film of the present application comprises an upper surface layer, a core layer, and a lower surface layer, and the raw materials cooperate with each other to produce a melt with good flowability, good production and processing properties, and to reduce scratches and sticking to the roll by adjusting the temperature and proportion. In the present application, the cooling temperature of the cast sheet is regulated to control the crystallization rate of the film, stabilize production, and reduce gloss. The extinction transfer film produced by the preparation method of the present application is uniform and consistent. DETAILED DESCRIPTION

[0033] The technical solutions of the present application are described in detail through specific embodiments.

[0034] Example 1

[0035] A low-gloss extinction transfer film comprises an upper surface layer, a core layer, and a lower surface layer.

[0036] The upper surface layer comprises the following raw materials by weight: 35 parts of polypropylene, 15 parts of modified polyethylene, 3 parts of extinction agent, and 0.1 parts of antioxidant.

[0037] The preparation method of the modified polyethylene comprises the following steps: uniformly mixing polyethylene and p-xylene at a mass ratio of 1:10 at 120 DEG C to obtain solution A, uniformly mixing maleic anhydride and dicumyl peroxide at 50 DEG C to obtain solution B, adding solution B into solution A and reacting at 145 DEG C to obtain a preform, adding p-xylene into the preform and uniformly mixing at 105 DEG C, then adding acetone and uniformly stirring, and standing and filtering to obtain the modified polyethylene, wherein the mass ratio of polyethylene, maleic anhydride and dicumyl peroxide is 100:2:0.1, and the mass ratio of the preform, p-xylene and acetone is 1.5:13:25.

[0038] The preparation method of the matting agent comprises the following steps: uniformly mixing sodium silicate, water and 1 mol / L dilute nitric acid, then adding sodium hydroxide to obtain a premix, immersing the premix in a methanol solution for 3 h to obtain a mixture, and uniformly mixing and drying 0.5 mu m silicon dioxide, 3 mu m silicon dioxide and 3 wt% methyltrimethoxysilane into the mixture to obtain the matting agent, wherein the mass ratio of sodium silicate, water, dilute nitric acid and sodium hydroxide is 2.5:12:25:0.1, and the mass ratio of the mixture, 0.5 mu m silicon dioxide, 3 mu m silicon dioxide and methyltrimethoxysilane is 1:0.5:0.5:15.

[0039] The core layer comprises the following raw materials in parts by weight: 50 parts of polypropylene, 35 parts of polyethylene, 1 part of antistatic agent and 1 part of slip agent.

[0040] The lower surface layer comprises the following raw materials in parts by weight: 40 parts of polypropylene and 2 parts of silicon dioxide.

[0041] A preparation method of a low-gloss matting transfer film, comprising the following steps:

[0042] S1, uniformly mixing raw materials of the upper surface layer, the core layer and the lower surface layer, and extruding the raw materials at an extrusion temperature of 220 DEG C to obtain a melt;

[0043] S2, compounding, casting, longitudinal stretching, transverse stretching, winding and slitting the melt to obtain the low-gloss matting transfer film, wherein the cooling temperature of the casting is 25 DEG C, the longitudinal stretching temperature is 110 DEG C and the transverse stretching temperature is 140 DEG C.

[0044] Example 2

[0045] A low-gloss matting transfer film, comprising an upper surface layer, a core layer and a lower surface layer.

[0046] The upper surface layer comprises the following raw materials in parts by weight: 30 parts of polypropylene, 20 parts of modified polyethylene, 3 parts of matting agent and 0.1 part of antioxidant.

[0047] The preparation method of the modified polyethylene comprises the following steps: uniformly mixing polyethylene and p-xylene at a mass ratio of 1.5:10 at 130 DEG C to obtain solution A, uniformly mixing maleic anhydride and dicumyl peroxide at 45 DEG C to obtain solution B, adding solution B into solution A and reacting at 150 DEG C to obtain a preform, adding p-xylene into the preform and uniformly mixing at 90 DEG C, then adding acetone and uniformly stirring, and standing and filtering to obtain the modified polyethylene, wherein the mass ratio of polyethylene, maleic anhydride and dicumyl peroxide is 100:2:0.1, and the mass ratio of the preform, p-xylene and acetone is 1:10:20.

[0048] The preparation method of the matting agent comprises the following steps: uniformly mixing sodium silicate, water and 0.8 mol / L dilute nitric acid, then adding sodium hydroxide to obtain a premix, immersing the premix in a methanol solution for 4 h to obtain a mixture, and uniformly mixing 1 mu m silicon dioxide, 5 mu m silicon dioxide and 3 wt% methyltrimethoxysilane into the mixture and drying to obtain the matting agent, wherein the mass ratio of sodium silicate, water, dilute nitric acid and sodium hydroxide is 2:10:25:0.1, and the mass ratio of the mixture, 1 mu m silicon dioxide, 5 mu m silicon dioxide and methyltrimethoxysilane is 1:0.5:0.5:15.

[0049] The core layer comprises the following raw materials in parts by weight: 40 parts of polypropylene, 40 parts of polyethylene, 1 part of antistatic agent and 1 part of slip agent.

[0050] The lower surface layer comprises the following raw materials in parts by weight: 40 parts of polypropylene and 2 parts of silicon dioxide.

[0051] A preparation method of a low-gloss matting transfer film, comprising the following steps:

[0052] S1, uniformly mixing raw materials of the upper surface layer, the core layer and the lower surface layer, and extruding at an extrusion temperature of 220 DEG C to obtain a melt;

[0053] S2, compounding, casting, longitudinal stretching, transverse stretching, winding and slitting the melt to obtain the low-gloss matting transfer film, wherein the cooling temperature of the casting is 20 DEG C, the longitudinal stretching temperature is 110 DEG C and the transverse stretching temperature is 140 DEG C.

[0054] Example 3

[0055] A low-gloss matting transfer film, comprising an upper surface layer, a core layer and a lower surface layer.

[0056] The upper surface layer comprises the following raw materials in parts by weight: 40 parts of polypropylene, 10 parts of modified polyethylene, 3 parts of matting agent and 0.1 part of antioxidant.

[0057] The preparation method of the modified polyethylene comprises the following steps: uniformly mixing polyethylene and p-xylene at a mass ratio of 1:10 at 120 DEG C to obtain solution A, uniformly mixing maleic anhydride and dicumyl peroxide at 50 DEG C to obtain solution B, adding solution B into solution A and reacting at 145 DEG C to obtain a preform, adding p-xylene into the preform and uniformly mixing at 105 DEG C, then adding acetone and uniformly stirring, and standing, filtering to obtain the modified polyethylene, wherein the mass ratio of polyethylene, maleic anhydride and dicumyl peroxide is 100:2:0.1, and the mass ratio of the preform, p-xylene and acetone is 1.5:13:25.

[0058] The preparation method of the matting agent comprises the following steps: uniformly mixing sodium silicate, water and dilute nitric acid, then adding sodium hydroxide to obtain a premix, immersing the premix in a methanol solution for 3 hours to obtain a mixture, and uniformly mixing 0.5 mu m silicon dioxide, 3 mu m silicon dioxide and 3 wt% methyltrimethoxysilane into the mixture, and drying to obtain the matting agent, wherein the mass ratio of sodium silicate, water, dilute nitric acid and sodium hydroxide is 2.5:12:25:0.1, and the mass ratio of the mixture, 0.5 mu m silicon dioxide, 3 mu m silicon dioxide and methyltrimethoxysilane is 1:0.5:0.5:15.

[0059] The core layer comprises the following raw materials in parts by weight: 60 parts of polypropylene, 30 parts of polyethylene, 1 part of antistatic agent and 1 part of slip agent.

[0060] The lower surface layer comprises the following raw materials in parts by weight: 50 parts of polypropylene and 3 parts of silicon dioxide.

[0061] The thickness ratio of the upper surface layer, the core layer and the lower surface layer is 2:9:2.

[0062] A preparation method of a low-gloss matting transfer film, comprising the following steps:

[0063] S1, uniformly mixing raw materials of the upper surface layer, the core layer and the lower surface layer, and extruding at an extrusion temperature of 220 DEG C to obtain a melt;

[0064] S2, compounding, casting, longitudinal stretching, transverse stretching, winding and slitting the melt to obtain the low-gloss matting transfer film, wherein the cooling temperature of the casting is 20 DEG C, the longitudinal stretching temperature is 110 DEG C and the transverse stretching temperature is 140 DEG C.

[0065] Comparative Example 1

[0066] A matting transfer film, comprising an upper surface layer, a core layer and a lower surface layer.

[0067] The upper surface layer comprises the following raw materials in parts by weight: 35 parts of polypropylene, 15 parts of polyethylene, 3 parts of matting agent and 0.1 part of antioxidant.

[0068] The preparation method of the matting agent comprises the following steps: uniformly mixing sodium silicate, water and dilute nitric acid with a mass ratio of 2.5:12:25, adding sodium hydroxide to obtain a premix, soaking the premix in a methanol solution for 3 hours to obtain a mixture, and uniformly mixing 0.5 μm silica, 3 μm silica and 3 wt% methyltrimethoxysilane with the mixture, and drying to obtain the matting agent.

[0069] The core layer comprises the following raw materials in parts by weight: 50 parts of polypropylene, 35 parts of polyethylene, 1 part of antistatic agent and 1 part of slip agent.

[0070] The lower surface layer comprises the following raw materials in parts by weight: 40 parts of polypropylene and 2 parts of silica.

[0071] The preparation method of the matting transfer film comprises the following steps:

[0072] S1, uniformly mixing raw materials of the upper surface layer, the core layer and the lower surface layer, and extruding at an extrusion temperature of 220 DEG C to obtain a melt;

[0073] S2, obtaining the matting transfer film by compounding, casting, longitudinal stretching, transverse stretching, winding and slitting, wherein the cooling temperature of the casting is 25 DEG C, the longitudinal stretching temperature is 110 DEG C, and the transverse stretching temperature is 140 DEG C.

[0074] Comparative Example 2

[0075] The matting transfer film comprises an upper surface layer, a core layer and a lower surface layer.

[0076] The upper surface layer comprises the following raw materials in parts by weight: 35 parts of polypropylene, 15 parts of modified polyethylene, 2 parts of matting agent and 0.1 part of antioxidant.

[0077] The preparation method of the modified polyethylene comprises the following steps: uniformly mixing polyethylene and p-xylene at a mass ratio of 1:10 at 120 DEG C to obtain solution A, uniformly mixing maleic anhydride and dicumyl peroxide at 50 DEG C to obtain solution B, adding solution B to solution A and reacting at 145 DEG C to obtain a preform, adding p-xylene to the preform at 105 DEG C and uniformly mixing, adding acetone and uniformly stirring, standing, and filtering to obtain the modified polyethylene, wherein the mass ratio of polyethylene, maleic anhydride and dicumyl peroxide is 100:2:0.1, and the mass ratio of the preform, p-xylene and acetone is 1.5:13:25.

[0078] The matting agent is a mixture of 0.5 μm silica and 3 μm silica at a mass ratio of 1:1.

[0079] The core layer comprises the following raw materials by weight: 50 parts of polypropylene, 35 parts of polyethylene, 1 part of antistatic agent, and 1 part of slip agent.

[0080] The lower surface layer comprises the following raw materials by weight: 40 parts of polypropylene and 2 parts of silicon dioxide.

[0081] A preparation method of a matte transfer film, comprising the following steps:

[0082] S1, uniformly mix the raw materials of the upper surface layer, the core layer, and the lower surface layer, and extrude at an extrusion temperature of 220°C to obtain a melt;

[0083] S2, compound the melt, cast a sheet, longitudinally stretch, transversely stretch, wind, and cut to obtain the matte transfer film, wherein the cooling temperature of the sheet casting is 25°C, the longitudinal stretching temperature is 110°C, and the transverse stretching temperature is 140°C.

[0084] Comparative Example 3

[0085] A matte transfer film, comprising an upper surface layer, a core layer, and a lower surface layer.

[0086] The upper surface layer comprises the following raw materials by weight: 35 parts of polypropylene, 15 parts of modified polyethylene, 3 parts of a matte agent, and 0.1 part of an antioxidant.

[0087] A preparation method of modified polyethylene, comprising the following steps: uniformly mixing polyethylene and p-xylene at a mass ratio of 1:10 at 120°C to obtain solution A, uniformly mixing maleic anhydride and dicumyl peroxide at 50°C to obtain solution B, adding solution B to solution A and reacting at 145°C to obtain a preform, adding p-xylene to the preform at 105°C and uniformly mixing, then adding acetone and uniformly stirring, standing, and filtering to obtain the modified polyethylene, wherein the mass ratio of polyethylene, maleic anhydride, and dicumyl peroxide is 100:2:0.1, and the mass ratio of the preform, p-xylene, and acetone is 1.5:13:25.

[0088] A preparation method of a matte agent, comprising the following steps: uniformly mixing sodium silicate, water, and 1 mol / L dilute nitric acid, then adding sodium hydroxide to obtain a premix, immersing the premix in a methanol solution for 3 h to obtain a mixture, adding 0.5 μm silicon dioxide, 3 μm silicon dioxide, and 3 wt% methyltrimethoxysilane to the mixture, uniformly mixing and drying to obtain the matte agent, wherein the mass ratio of sodium silicate, water, dilute nitric acid, and sodium hydroxide is 2.5:12:25:0.1, and the mass ratio of the mixture, 0.5 μm silicon dioxide, 3 μm silicon dioxide, and methyltrimethoxysilane is 1:0.5:0.5:15.

[0089] The core layer comprises the following raw materials by weight: 50 parts of polypropylene, 35 parts of polyethylene, 1 part of antistatic agent, and 1 part of slip agent.

[0090] The lower surface layer comprises the following raw materials by weight: 40 parts of polypropylene, 2 parts of silicon dioxide.

[0091] A preparation method of a matte transfer film, comprising the following steps:

[0092] S1, the raw materials of the upper surface layer, the core layer and the lower surface layer are mixed uniformly, and the extrusion temperature is 220 DEG C.

[0093] S2, the melt is compounded, cast, longitudinally stretched, transversely stretched, wound and cut to obtain the matte transfer film, wherein the cooling temperature of the cast is 40 DEG C, the longitudinal stretching temperature is 110 DEG C, and the transverse stretching temperature is 140 DEG C.

[0094] The matte transfer films prepared in the above examples 1-3 and comparative example 1 are detected for tensile strength according to GB / T1040.3, for peeling strength according to GB / T 25256-, and for glossiness according to GB / T8807, and the test results are shown in Table 1.

[0095] Table 1

[0096] Item Tensile strength (MPa) Peeling strength (N / CM) Glossiness (%) Example 1 154 10.29 3.3 Example 2 161 9.36 3.2 Example 3 156 11.21 3.5 Comparative Example 1 132 10.06 8.1 Comparative Example 2 145 10.13 11.6 Comparative Example 3 158 9.85 5.3

[0097] As can be seen from the data in Table 1, the matte transfer film prepared by the present application has excellent tensile strength, peeling strength and lower glossiness. As can be seen from the data of comparative example 1 and examples, the matte transfer film obtained without modifying the polyethylene not only reduces the tensile strength, but also has higher glossiness. As can be seen from the data of comparative example 2 and examples, the matte transfer film obtained by using only different particle sizes of silicon dioxide as the matte agent has significantly increased glossiness. As can be seen from the data of comparative example 3 and examples, the cooling temperature of the cast can control the crystallization rate of the film and reduce the glossiness.

[0098] In summary, the matte transfer film provided by the present application has excellent tensile strength, peeling strength and lower glossiness.

[0099] The above description is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A low-gloss matte transfer film characterized in that, The upper surface layer comprises the following raw materials by weight: 30-40 parts of polypropylene, 10-20 parts of modified polyethylene, 2-5 parts of matting agent, and 0.05-0.2 parts of antioxidant. The preparation method of the matting agent comprises the following steps: uniformly mixing sodium silicate, water and dilute nitric acid, adding sodium hydroxide to obtain a premix, performing soaking treatment on the premix to obtain a mixture, adding silicon dioxide and methyltrimethoxysilane to the mixture, uniformly mixing and drying to obtain the matting agent; the silicon dioxide comprises 0.1-1 μm silicon dioxide and 2-5 μm silicon dioxide.

2. The low-gloss matte transfer film of claim 1, wherein, The preparation method of the modified polyethylene comprises the following steps: uniformly mixing polyethylene and p-xylene at a T1 temperature to obtain a solution A, uniformly mixing maleic anhydride and dicumyl peroxide at a T2 temperature to obtain a solution B, adding the solution B to the solution A to react at a T3 temperature, adding p-xylene to the product at a T4 temperature, uniformly mixing, adding acetone and uniformly stirring, standing, and filtering to obtain the modified polyethylene.

3. The low-gloss matte transfer film according to claim 2, wherein, The T1 temperature is 100-140℃, the T2 temperature is 40-60℃, the T3 temperature is 130-180℃, and the T4 temperature is 80-130℃; the mass ratio of the polyethylene to p-xylene is (1-2):10; and the mass ratio of the polyethylene, maleic anhydride and dicumyl peroxide is 100:(1-5):(0.1-0.2).

4. The low-gloss matte transfer film according to claim 2, wherein, The mass ratio of the product, p-xylene and acetone is (1-2):(10-15):(20-30).

5. The low-gloss matte transfer film according to claim 1, wherein, The mass ratio of the sodium silicate, water, dilute nitric acid and sodium hydroxide is (1-3):(10-15):25:(0.1-0.2); the molar concentration of the dilute nitric acid is 0.5-2 mol / L; the soaking treatment comprises soaking in a methanol solution for 2-6 h; the mass fraction of the methyltrimethoxysilane is 1-5 wt%; and the mass ratio of the mixture, silicon dioxide and methyltrimethoxysilane is 1:1:(10-20).

6. The low-gloss matte transfer film according to claim 1, wherein, The core layer comprises the following raw materials by weight: 80-90 parts of polyolefin, 1-2 parts of antistatic agent and 1-2 parts of slip agent; the polyolefin comprises one or more of polypropylene and polyethylene; and the lower surface layer comprises the following raw materials by weight: 40-60 parts of polypropylene and 1-5 parts of silicon dioxide.

7. The low-gloss satin transfer film of claim 1, wherein, The thickness ratio of the upper surface layer, core layer and lower surface layer is (1-2):(8-15):(1-3).

8. A method of producing the low-gloss matt transfer film according to any one of claims 1 to 7, characterized by, The method comprises the following steps: S1, uniformly mixing the raw materials of the upper surface layer, core layer and lower surface layer, and extruding to obtain a melt; S2, obtaining a low-gloss matting transfer film by compounding, casting, longitudinal stretching, transverse stretching, winding and slitting.

9. The production method according to claim 8, characterized by, In S1, the extrusion temperature is 200-250℃; and in S2, the cooling temperature of the cast piece is 20-30℃, the longitudinal stretching temperature is 90-130℃, and the transverse stretching temperature is 130-160℃.