Antioxidant biaxially oriented polypropylene film

Abstract

The utility model relates to the technical field of materials, in particular to an antioxidant biaxially oriented polypropylene film which comprises a body, the body comprises a wear-resistant layer, an anti-pricking layer, an antibacterial layer, a nylon layer and an adhesive layer, the body is attached to the two sides of a paperboard substrate through the adhesive layer, and the antioxidant capacity of the film is improved through the wear-resistant layer and the anti-pricking layer. The wear-resistant layer can improve the friction resistance of the thin film in the writing process and improve the repeated writing capacity of the thin film, the thin film can bear the writing pressure of a pen point during writing through the anti-pricking layer, ink of a writing pen can be left in the groove during writing and can be quickly air-dried in the groove, handwriting is displayed, and the writing effect is good. The problem that a paper base is difficult to combine with ink due to a thin film and is poor in writing effect is solved; and after use, the water-washing body can be used for cleaning and is convenient to reuse. The scratch paper can be used for calculation of students and office workers, saves wooden scratch paper, and accords with the idea of environmental protection.

Description

TECHNICAL FIELD

[0001] The utility model relates to material technical field, concretely is a kind of oxidation-resistant biaxially oriented polypropylene film. BACKGROUND

[0002] The existing writing draft paper is mostly disposable, which has caused a lot of resource waste over a long period of time. In order to respond to the call of saving resources and protecting the environment, a reusable draft paper is designed to reduce waste, so as to reduce the supply pressure of paper.

[0003] The production of biaxially oriented polypropylene film is to first make a melt of high molecular polypropylene into a sheet or thick film through a narrow machine head, then stretch it in two perpendicular directions (longitudinal and transverse) at a certain temperature and speed in a special stretching machine, and finally make it into a film through appropriate cooling or heat treatment or special processing (such as corona, coating, etc.). The film is designed as a reusable draft paper to reduce the use of wooden draft paper and protect resources. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an oxidation-resistant biaxially oriented polypropylene film, which has the advantages of.

[0005] To achieve the above-mentioned functional purposes, the utility model provides the following technical scheme: an oxidation-resistant biaxially oriented polypropylene film, comprising a body, characterized in that: the body comprises a wear-resistant layer, a puncture-proof layer, an antibacterial layer, a nylon layer and a viscose layer, which are arranged in the body in sequence, the wear-resistant layer is fixed on the outer surface of the body, the puncture-proof layer is fixed on one side of the wear-resistant layer, the antibacterial layer is fixed on one side of the puncture-proof layer, the nylon layer is fixed on one side of the antibacterial layer, and the viscose layer is fixed on one side of the nylon layer.

[0006] Further, the surface of the wear-resistant layer is fixed with anti-slip particles, grooves and anti-slip lines, the anti-slip particles are fixed on both sides of the wear-resistant layer, the grooves are recessed on the surface of the wear-resistant layer, the material of the wear-resistant layer is nylon material, and the surface of the nylon is added with grooves and anti-slip lines to increase the friction of the surface of the wear-resistant layer, facilitate writing, and the anti-slip particles facilitate the user to grip the film during taking.

[0007] Further, the anti-poking layer comprises a support layer, a pressure-resistant layer and a film layer, the support layer, the pressure-resistant layer and the film layer are arranged in sequence, the support layer is fixed to the side of the anti-poking layer, the pressure-resistant layer is fixed to the middle of the anti-poking layer, and the film layer is fixed to the side of the anti-poking layer away from the support layer, the material of the support layer is glass fiber material, the glass fiber is arranged in X-shaped cross to support the film, the material of the pressure-resistant layer is polycarbonate, the polycarbonate is colorless and transparent, heat-resistant, impact-resistant and flame-retardant BI grade, and has good mechanical properties within the normal use temperature, and the film layer is a biaxially oriented polypropylene film.

[0008] Further, the bottom end of the adhesive layer is connected with adhesive surfaces on both sides, and the bottom end of the adhesive layer is fixed with a plurality of anti-skid particles, the adhesive surface is a repeated adhesive, also known as reusable adhesive or removable adhesive, which can maintain adhesion after repeated pasting and peeling, so that the film is fixed on one side of the prepared paperboard substrate.

[0009] Further, the antibacterial layer is made of zinc oxide material, and zinc ions play an antibacterial role by interfering with the metabolism of microorganisms, destroying cell membranes or inhibiting enzyme activity.

[0010] Further, the material of the nylon layer is long-chain nylon material, which has low water absorption, high temperature resistance, corrosion resistance and good toughness.

[0011] Compared with the prior art, the body is attached to both sides of the paperboard substrate through the adhesive layer, the anti-oxidation ability of the film is improved through the wear-resistant layer and the anti-poking layer, the wear-resistant layer can improve the friction resistance of the film during writing, and the repeated writing ability of the film is improved, the film can withstand the writing pressure of the pen tip through the anti-poking layer, when writing, the ink of the writing pen will be left in the groove, and the ink will be quickly dried in the groove to display the writing, thereby avoiding the problem that the paper base is difficult to combine with the ink and the writing effect is poor; after use, the body can be cleaned by washing, and the body is convenient to reuse. The draft paper can be used for students and office workers to calculate, save wooden draft paper, and meet the environmental protection concept. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the anti-oxidation type biaxially oriented polypropylene film.

[0013] Figure 2 It is a partial three-dimensional structure schematic view of the anti-oxidation type biaxially oriented polypropylene film.

[0014] Figure 3 It is a front structure schematic view of the anti-oxidation type biaxially oriented polypropylene film.

[0015] Figure 4The utility model discloses an anti-oxidation type bidirectional stretching polypropylene film's anti-poking layer structure schematic diagram.

[0016] The figure mark: body 1, wear -resisting layer 2, anti -poking layer 3, antibacterial layer 4, nylon layer 5, viscose layer 6, antiskid granule 11, recess 12, antiskid line, support layer 31, compression resistance layer 32, film layer 33, viscose surface 61. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the range of protection of the utility model. Embodiment, please refer to Figures 1-4 An anti-oxidation type bidirectional stretching polypropylene film, including body 1, it is characterized in that: the body 1 includes wear -resisting layer 2, anti -poking layer 3, antibacterial layer 4, nylon layer 5, viscose layer 6, wear -resisting layer 2, anti -poking layer 3, antibacterial layer 4, nylon layer 5, viscose layer 6 are sequentially arranged in body 1, wear -resisting layer 2 is fixed on the outer surface of body 1, anti -poking layer 3 is fixed on one side of wear -resisting layer 2, antibacterial layer 4 is fixed on one side of anti -poking layer 3, nylon layer 5 is fixed on one side of antibacterial layer 4, viscose layer 6 is fixed on one side of nylon layer 5.

[0018] The surface of wear -resisting layer 2 is fixed with antiskid granule 11, recess 12 and antiskid line, the antiskid granule 11 is fixed on both sides of wear -resisting layer 2, the recess 12 is recessed on the surface of wear -resisting layer 2, and the material of the wear -resisting layer is nylon material, which has relatively low water absorption rate compared with many other fibers. In fact, the water absorption rate of nylon after soaking in water for 24 hours is usually less than 3%, which is not easy to absorb ink during writing. The surface of the nylon is provided with grooves and antiskid lines to increase the friction of the surface of the wear -resisting layer, facilitate writing, and the antiskid granules facilitate the user to hold the film during taking.

[0019] The anti -poking layer 3 includes support layer 31, compression resistance layer 32 and film layer 33, and the support layer 31, the compression resistance layer 32 and the film layer 33 are sequentially arranged, the support layer 31 is fixed on the side of the anti -poking layer 3, the compression resistance layer 32 is fixed in the middle of the anti -poking layer 3, and the film layer 33 is fixed on the side of the anti -poking layer 3 away from the support layer 31, the material of the support layer 31 is glass fiber material, the glass fiber is arranged in X shape to support the film, the material of the compression resistance layer 32 is polycarbonate, polycarbonate is colorless and transparent, heat-resistant, impact-resistant and flame-retardant BI grade, and has good mechanical properties within the ordinary use temperature, and the film layer 33 is a bidirectional stretching polypropylene film.

[0020] The bottom end of the adhesive layer 6 is connected with adhesive surfaces 61 on both sides, and the bottom end of the adhesive layer 6 is fixed with a plurality of anti-skid particles.

[0021] The antibacterial layer 4 is made of zinc oxide, and zinc ions play an antibacterial role by interfering with the metabolism of microorganisms, destroying cell membranes, or inhibiting enzyme activity.

[0022] The nylon layer 5 is made of long carbon chain nylon material, which has low water absorption, high temperature resistance, corrosion resistance and good toughness.

[0023] Working principle: the body 1 is attached to both sides of the paperboard substrate through the adhesive layer, the oxidation resistance of the film is improved through the wear-resistant layer 2 and the anti-poking layer 3, the wear-resistant layer 2 can improve the friction resistance of the film during writing, and the repeated writing ability of the film is improved, the film can withstand the writing pressure of the pen tip during writing through the anti-poking layer 3, the film is antibacterial through the antibacterial layer 4, which protects the health of the user, the film can be written on the paperboard substrate through the nylon layer 5 in cooperation with the anti-skid particles 11 at the bottom of the adhesive layer 6 and the adhesive surface, the support layer 31 supports the film, the pressure-resistant layer 32 bears the pressure caused by contacting the film, the adhesive surface 61 cooperates with the body to replace the draft paper for use, since the writing surface of the paperboard substrate is rough, the body is attached to the paper substrate through the adhesive layer, so that the paperboard substrate is waterproof and wear-resistant; the surface of the paperboard substrate is rough and uneven, the surface of the attached draft paper is also relatively rough and uneven, the writing surface has a large friction coefficient in cooperation with the grooves 12 and the anti-skid lines, the ink of the writing pen will be left in the grooves during writing, and will be quickly dried in the grooves to display the writing, avoiding the problem that the paper substrate is difficult to combine with the ink and the writing effect is poor; after use, the film can be cleaned by washing, which is convenient for repeated use. The film draft paper can be used for students and office workers to calculate, saving wooden draft paper and meeting the environmental protection concept.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0025] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. An antioxidant biaxially oriented polypropylene film, comprising a body (1), characterized in that: The body (1) includes a wear-resistant layer (2), a puncture-proof layer (3), an antibacterial layer (4), a nylon layer (5), and an adhesive layer (6). The wear-resistant layer (2), the puncture-proof layer (3), the antibacterial layer (4), the nylon layer (5), and the adhesive layer (6) are arranged sequentially inside the body (1). The wear-resistant layer (2) is fixed to the outer surface of the body (1), the puncture-proof layer (3) is fixed to one side of the wear-resistant layer (2), the antibacterial layer (4) is fixed to one side of the puncture-proof layer (3), the nylon layer (5) is fixed to one side of the antibacterial layer (4), and the adhesive layer (6) is fixed to one side of the nylon layer (5).

2. The antioxidant biaxially oriented polypropylene film according to claim 1, characterized in that: The wear-resistant layer (2) has anti-slip particles (11), grooves (12) and anti-slip patterns fixed on its surface. The anti-slip particles (11) are fixed on both sides of the wear-resistant layer (2), and the grooves (12) are recessed into the surface of the wear-resistant layer (2).

3. The antioxidant biaxially oriented polypropylene film according to claim 1, characterized in that: The tamper-evident layer (3) includes a support layer (31), a pressure-resistant layer (32), and a thin film layer (33). The support layer (31), the pressure-resistant layer (32), and the thin film layer (33) are arranged in sequence. The support layer (31) is fixed to the side of the tamper-evident layer (3), the pressure-resistant layer (32) is fixed in the middle of the tamper-evident layer (3), and the thin film layer (33) is fixed on the side of the tamper-evident layer (3) away from the support layer (31).

4. The antioxidant biaxially oriented polypropylene film according to claim 1, characterized in that: The adhesive layer (6) has adhesive surfaces (61) on both sides of its bottom end, and a number of anti-slip particles are fixed at the bottom end of the adhesive layer (6).

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