Flexible magnetic sheet for false eyelashes and preparation process thereof

Abstract

The invention discloses a flexible magnetic sheet for false eyelashes and a preparation process thereof.The flexible magnetic sheet comprises, by mass, 1%-5% of a thermoplastic elastomer TPE, 80%-90% of neodymium iron boron magnet powder, 1%-2% of a coupling agent, 1%-2% of a POE branch toughening agent and the balance co-polypropylene, and the flexible magnetic sheet comprises, by mass, 1%-5% of the thermoplastic elastomer TPE, 80%-90% of the neodymium iron boron magnet powder, 1%-2% of the coupling agent and 1%-2% of the POE branch toughening agent. And the balance of co-polypropylene. According to the technical scheme, the toughness of the flexible magnetic sheet can be effectively improved, the flexible magnetic sheet is more resistant to bending, the service life of the flexible magnetic sheet is effectively prolonged, and the flexible magnetic sheet is elastic, easy to elongate and shape and more comfortable to wear.

Description

Technical Field

[0001] The invention relates to the technical field of flexible magnetic sheets for false eyelashes, and in particular to a flexible magnetic sheet for false eyelashes and a preparation process thereof. Background Art

[0002] In recent years, magnetic eyelashes have been highly praised on social platforms as a "glue-free alternative" that uses the attraction of two magnets to fix false eyelashes between natural eyelashes. Flexible magnetic sheets are an important part of magnetic eyelashes. Magnetic eyelashes are made by fixing eyelashes on flexible magnetic sheets, and then fixing them on eyelashes by adsorbing them up and down.

[0003] However, the flexible magnetic sheets currently available on the market for false eyelashes have the problem of insufficient toughness and are easily broken during use, which greatly shortens the service life of the false eyelashes. Summary of the invention

[0004] The main purpose of the present invention is to provide a flexible magnetic sheet for false eyelashes and a preparation process thereof, aiming to solve the technical problem that the existing flexible magnetic sheets for false eyelashes have insufficient toughness, are easily broken during use, and greatly shorten the service life of the false eyelashes.

[0005] To achieve the above object, the present invention provides a flexible magnetic sheet for false eyelashes, wherein the flexible magnetic sheet contains a thermoplastic elastomer TPE, Ru-Fe-B magnet powder, a coupling agent, a POE branching toughening agent and copolymerized polypropylene.

[0006] Furthermore, the flexible magnetic sheet contains, by mass percentage, 1% to 5% of thermoplastic elastomer TPE, 80% to 90% of Ru-Fe-B magnet powder, 1% to 2% of coupling agent, 1% to 2% of POE branching toughening agent, and the remainder is copolymerized polypropylene.

[0007] Furthermore, the particle size of the Ru-Fe-B magnet powder is 200-300 meshes.

[0008] Furthermore, the coupling agent is a titanate coupling agent.

[0009] On the other hand, the present invention also provides a preparation process of a flexible magnetic sheet for false eyelashes, the preparation process comprising the following steps: S100: Add thermoplastic elastomer TPE, Ru-Fe-B magnet powder, coupling agent, POE branching toughening agent and copolymerized polypropylene into a stirring kettle in proportion, and stir them fully under vacuum or nitrogen conditions and at a constant temperature to mix the materials evenly; S200: adding the uniformly mixed materials into a granulator, and causing a chain reaction of the materials at a certain temperature and for a certain period of time to obtain a powdered mixture that meets the particle size requirements; S300: The powdery mixture is pressed and shaped by a calender to obtain a thin sheet; S400: spraying PU paint on both sides of the flaky sheet by a spraying machine to form a PU paint anti-oxidation layer on both sides of the flaky sheet; S500: According to different shape requirements, the flaky sheet treated with PU paint is punched and formed by a punching machine to obtain flaky sheets of different shapes; S600: magnetizing the flexible thin sheet obtained in step S500 by a magnetizing fixture to make it magnetic, that is, obtaining a flexible magnetic sheet; S700: Packaging and storing flexible magnetic sheets.

[0010] Furthermore, in step 200, the certain temperature is 180°C to 250°C, and the certain time is 1min to 2min.

[0011] Furthermore, the magnetic force of the magnetizing fixture is 500-800 Gauss.

[0012] On the other hand, the present invention further provides a false eyelash, wherein the false eyelash contains the flexible magnetic sheet for false eyelashes according to any one of claims 1 to 4.

[0013] The technical solution of the present invention has the following beneficial effects: the technical solution of the present invention effectively increases the toughness of the flexible magnetic sheet through the flexible magnetic sheet containing thermoplastic elastomer TPE, Ru-Fe-B magnet powder, coupling agent, POE branching toughening agent and copolymer polypropylene, making the flexible magnetic sheet more resistant to bending, effectively extending the service life of the flexible magnetic sheet, and being elastic, easy to stretch, easy to shape, and more comfortable to wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0015] Figure 1 The present invention is a flowchart of the steps of a process for preparing a flexible magnetic sheet for false eyelashes according to an embodiment of the present invention.

[0016] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0020] The invention provides a flexible magnetic sheet for false eyelashes and a preparation process thereof.

[0021] In one embodiment of the present invention, the flexible magnetic sheet for false eyelashes contains thermoplastic elastomer TPE, neodymium iron boron magnetic powder, coupling agent, POE branching toughening agent and copolymerized polypropylene.

[0022] Specifically, by mass percentage, the flexible magnetic sheet contains: 1% to 5% of thermoplastic elastomer TPE, 80% to 90% of Ru-Fe-B magnet powder, 1% to 2% of coupling agent, 1% to 2% of POE branching toughening agent, and the remainder is copolymerized polypropylene.

[0023] Specifically, the particle size of the Ru-Fe-B magnet powder is 200-300 meshes.

[0024] Specifically, the coupling agent is a titanate coupling agent.

[0025] On the other hand, Figure 1 As shown, the present invention also proposes a preparation process of a flexible magnetic sheet for false eyelashes, and the preparation process comprises the following steps: S100: Add thermoplastic elastomer TPE, Ru-Fe-B magnet powder, coupling agent, POE branching toughening agent and copolymerized polypropylene into a stirring kettle in proportion, and stir them fully under vacuum or nitrogen conditions and at a constant temperature to mix the materials evenly; Specifically, under vacuum or nitrogen conditions, it can play a protective role and avoid fire.

[0026] S200: adding the uniformly mixed materials into a granulator, and causing a chain reaction of the materials at a certain temperature and for a certain period of time to obtain a powdered mixture that meets the particle size requirements; S300: The powdery mixture is pressed and shaped by a calender to obtain a thin sheet; S400: spraying PU paint on both sides of the flaky sheet by a spraying machine to form a PU paint anti-oxidation layer on both sides of the flaky sheet; S500: According to different shape requirements, the flaky sheet treated with PU paint is punched and formed by a punching machine to obtain flaky sheets of different shapes; S600: magnetizing the flexible thin sheet obtained in step S500 by a magnetizing fixture to make it magnetic, that is, obtaining a flexible magnetic sheet; S700: Packaging and storing flexible magnetic sheets.

[0027] Specifically, in step 200, the certain temperature is 180°C to 250°C, and the certain time is 1min to 2min.

[0028] Specifically, the magnetic force of the magnetizing fixture is 500 Gauss to 800 Gauss.

[0029] On the other hand, the present invention further provides a false eyelash, wherein the false eyelash contains the above-mentioned flexible magnetic sheet for false eyelashes.

[0030] Specifically, the technical solution of the present invention effectively increases the toughness of the flexible magnetic sheet by making the flexible magnetic sheet contain thermoplastic elastomer TPE, Ru-Fe-B magnet powder, coupling agent, POE branching toughening agent and copolymer polypropylene, making the flexible magnetic sheet more resistant to bending, effectively extending the service life of the flexible magnetic sheet, and being elastic, easy to stretch, easy to shape, and more comfortable to wear.

[0031] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A flexible magnetic sheet for false eyelashes, characterized in that: The flexible magnetic sheet contains thermoplastic elastomer TPE, neodymium iron boron magnetic powder, coupling agent, POE branching toughening agent and copolymerized polypropylene.

2. The flexible magnetic sheet for false eyelashes according to claim 1, characterized in that: In terms of mass percentage, the flexible magnetic sheet contains: 1% to 5% of thermoplastic elastomer TPE, 80% to 90% of Ru-Fe-B magnet powder, 1% to 2% of coupling agent, 1% to 2% of POE branching toughening agent, and the remainder is copolymerized polypropylene.

3. The flexible magnetic sheet for false eyelashes according to claim 1, characterized in that: The particle size of the Ru-Fe-B magnet powder is 200-300 meshes.

4. The flexible magnetic sheet for false eyelashes according to claim 1, characterized in that: The coupling agent is a titanate coupling agent.

5. The process for preparing the flexible magnetic sheet for false eyelashes according to any one of claims 1 to 4, characterized in that: The preparation process comprises the following steps: S100: Add thermoplastic elastomer TPE, Ru-Fe-B magnet powder, coupling agent, POE branching toughening agent and copolymerized polypropylene into a stirring kettle in proportion, and stir them fully under vacuum or nitrogen conditions and at a constant temperature to mix the materials evenly; S200: adding the uniformly mixed materials into a granulator, and causing a chain reaction of the materials at a certain temperature and for a certain period of time to obtain a powdered mixture that meets the particle size requirements; S300: The powdery mixture is pressed and shaped by a calender to obtain a thin sheet; S400: spraying PU paint on both sides of the flaky sheet by a spraying machine to form a PU paint anti-oxidation layer on both sides of the flaky sheet; S500: According to different shape requirements, the flaky sheet treated with PU paint is punched and formed by a punching machine to obtain flaky sheets of different shapes; S600: magnetizing the flexible thin sheet obtained in step S500 by a magnetizing fixture to make it magnetic, that is, obtaining a flexible magnetic sheet; S700: Packaging and storing flexible magnetic sheets.

6. The flexible magnetic sheet for false eyelashes according to claim 5, characterized in that: In the step 200, the certain temperature is 180°C to 250°C, and the certain time is 1min to 2min.

7. The flexible magnetic sheet for false eyelashes according to claim 5, characterized in that: The magnetic force of the magnetizing fixture is 500-800 Gauss.

8. A false eyelash, characterized in that: The false eyelashes contain the flexible magnetic sheet for false eyelashes according to any one of claims 1 to 4.

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