High-temperature-resistant PET (Polyethylene Terephthalate) film

Abstract

The utility model discloses a high-temperature-resistant PET (Polyethylene Terephthalate) film which comprises a limiting frame, a supporting barrel arranged on the inner side of the limiting frame and a PET stripping layer arranged on the outer side of the supporting barrel, and further comprises a first connecting block arranged in the limiting frame, a connecting assembly arranged at the front end of the supporting barrel, phthalic acid particles arranged in the PET stripping layer and a second connecting block arranged in the limiting frame, the adhesive layer is arranged on the inner side of the PET stripping layer, the HC treatment layer is arranged on the inner side of the adhesive layer, the first adding particles are arranged in the HC treatment layer, and the PET base layer is arranged on the inner side of the HC treatment layer. The high-temperature-resistant PET film has good high-temperature resistance in the use process, so that a device is easy to use in high-temperature environments and the like, the use efficiency of the device is improved, meanwhile, the PET film can be conveniently detached and replaced, the replacement and use efficiency of the device is improved, the convenient operation performance of the device is improved, and the high-temperature-resistant PET film has a better use effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to PET film technical field, concretely is a kind of high-temperature-resistant PET film. BACKGROUND

[0002] PET film is a kind of comprehensive performance package film. It is good in transparency, has luster, has good airtightness and aroma retention, moderate moisture resistance, and the moisture permeability decreases at low temperature. PET film has excellent mechanical properties, and its toughness is the best among all thermoplastic plastics. The tensile strength and impact strength are much higher than those of general film, and it has good stiffness, dimensional stability, and is suitable for printing, paper bag and other secondary processing, such as;

[0003] The anti-scratch PET film provided in the authorization announcement No. CN212171551U includes a PET substrate, a hardening coating and a tensile layer, a hydrophobic and breathable film is fixedly installed on the top surface of the PET substrate, a PET film body is fixedly installed on the top surface of the hydrophobic and breathable film, a hardening coating is fixedly installed on the top surface of the PET film body, a printing surface layer is fixedly installed on the top surface of the hardening coating, a tensile layer is fixedly installed on the bottom surface of the PET substrate, and an alloy braided wire is fixedly installed in the inner cavity of the tensile layer. The structure is reasonable, the hydrophobic and breathable film is arranged between the PET substrate and the PET film body to enhance the air permeability and waterproofness, the hardening coating is arranged on the top of the PET film body to enhance the scratch resistance, and the tensile layer is arranged at the bottom of the PET substrate to enhance the tensile property.

[0004] The prior art in the above has the following defects: the existing PET film does not have good high-temperature resistance during use, which makes the device difficult to use in high-temperature environments, reduces the use efficiency of the device, and makes it inconvenient to conveniently disassemble and replace the PET film, which reduces the replacement use efficiency of the device and affects the convenient operation performance of the device. Therefore, the utility model provides a high-temperature-resistant PET film to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high-temperature-resistant PET film to solve the problems mentioned in the background art, such as poor high-temperature resistance during use, which makes the device difficult to use in high-temperature environments, reduces the use efficiency of the device, and makes it inconvenient to conveniently disassemble and replace the PET film, which reduces the replacement use efficiency of the device and affects the convenient operation performance of the device.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-temperature resistant PET film, comprising: a limiting frame, and a support tube provided inside the limiting frame, and a PET peeling layer provided outside the support tube, and further comprising:

[0007] A first connecting block is installed inside the limiting frame, a connecting component is set at the front end of the supporting cylinder, phthalic acid particles are set inside the PET peeling layer, and an adhesive layer is set on the inner side of the PET peeling layer, an HC treatment layer is set on the inner side of the adhesive layer, and first additive particles are set inside the HC treatment layer, a PET base layer is set on the inner side of the HC treatment layer, and second additive particles are set inside the PET base layer.

[0008] In a possible implementation, the connecting assembly includes a , which is installed at the front end of the supporting tube, a , which is provided at the rear side of the supporting tube, and a , which is provided at the front end of the supporting tube.

[0009] In a possible implementation, the support tube is engaged with the support tube and is symmetrically arranged with respect to the central axis of the support tube.

[0010] In a possible implementation, the first connecting block and the limiting frame are all arranged to rotate relative to each other, and the longitudinal sections of the first connecting block and the limiting frame are both "T"-shaped structures.

[0011] In a possible implementation, the second added particles are uniformly arranged inside the PET base layer, and the second added particles are made of "silicon dioxide" material.

[0012] In a possible implementation, the adhesive layers are arranged at equal intervals on the inner side of the PET peeling layer.

[0013] In a possible implementation, the material of the first added particles is polyphenylene sulfide.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the high-temperature resistant PET film has better high-temperature resistance during use, which makes the device easy to use in high-temperature environments, improves the use efficiency of the device, and facilitates the convenient disassembly and replacement of the PET film, thereby improving the replacement efficiency of the device and improving the convenient operation performance of the device, and having a better use effect, as shown in the following content:

[0015] 1. By pulling the limit frame toward the front end, the limit frame drives and moves toward the front end, making it easier for the operator to install a new PET peeling layer on the outside of the support tube. At the same time, pushing the limit frame toward the rear side will reinstall it on the front end of the support tube, making it easier for the operator to fix the PET peeling layer on the outside of the support tube, thereby improving the efficiency of disassembly, assembly and replacement of the device.

[0016] 2. During the production of the PET peeling layer, an appropriate amount of first additive particles are added to the interior of the HC treatment layer, so that the first additive particles and the HC treatment layer are multi-layered. At this time, due to the special material of the first additive particles, the overall heat resistance of the HC treatment layer is improved;

[0017] 3. By adding an appropriate amount of second additive particles inside the PET base layer, the second additive particles are evenly dispersed inside the PET base layer, and the second additive particles are used to improve the thermal insulation performance and aging resistance of the device, improve the stability of the device, and increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the connection between the PET peeling layer and the adhesive layer of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the PET peeling layer and the adhesive layer connected in the utility model;

[0021] Figure 4 This is a schematic diagram of the side cross-sectional structure of the connection between the support tube and the connecting assembly of the utility model;

[0022] Figure 5 For this utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0023] In the figure: 1. Limiting frame; 2. First connecting block; 3. Support tube; 4. Connecting assembly; 401, 402, 403, 5. PET peeling layer; 6. Phthalic acid particles; 7. Adhesive layer; 8. HC treatment layer; 9. First added particles; 10. PET base layer; 11. Second added particles. DETAILED DESCRIPTION

[0024] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1-5 The utility model provides a technical solution: a high temperature resistant PET film, comprising: a limiting frame 1, and a support tube 3 arranged inside the limiting frame 1, and a PET peeling layer 5 is arranged on the outside of the support tube 3, and further comprising:

[0026] A first connecting block 2 is installed inside the limiting frame 1, a connecting component 4 is set at the front end of the supporting cylinder 3, phthalic acid particles 6 are set inside the PET peeling layer 5, and an adhesive layer 7 is set on the inner side of the PET peeling layer 5, an HC treatment layer 8 is set on the inner side of the adhesive layer 7, and first additive particles 9 are set inside the HC treatment layer 8, a PET base layer 10 is set on the inner side of the HC treatment layer 8, and second additive particles 11 are set inside the PET base layer 10, forming a complete PET film.

[0027] like Figure 1 and Figure 4 As shown, the connecting component 4 includes 401 installed at the front end of the support tube 3, and 402 is arranged on the rear side of 401, and 403 and 402 arranged at the front end of 401 are relatively engaged with the support tube 3, and 402 is symmetrically arranged about the central axis of the support tube 3, 403 and the first connecting block 2 and the limit frame 1 are all relatively rotated, and the longitudinal sections of 403 and the first connecting block 2 are both "T"-shaped structures. After the PET peeling layer 5 is consumed, by pulling the limit frame 1 toward the front end, the limit frame 1 drives 401 and 402 to move toward the front end, which is convenient for the operator to install a new PET peeling layer 5 on the outside of the support tube 3, and at the same time push the limit frame 1 toward the rear side to reinstall 401 on the front end of the support tube 3, thereby completing the replacement of the PET peeling layer 5 and improving the disassembly and replacement efficiency of the device.

[0028] like Figure 2 、 Figure 3 and Figure 5 As shown, the second additive particles 11 are uniformly arranged inside the PET base layer 10, and the second additive particles 11 are made of "silicon dioxide". The adhesive layer 7 is evenly spaced inside the PET peeling layer 5. The material of the first additive particles 9 is "polyphenylene sulfide". During the production process of the PET peeling layer 5, the first additive particles 9 are appropriately added to the inside of the HC treatment layer 8, so that the first additive particles 9 and the HC treatment layer 8 are multi-layered. At this time, due to the special material of the first additive particles 9, the overall heat resistance of the HC treatment layer 8 is greatly improved; at the same time, the second additive particles 11 are appropriately added to the inside of the PET base layer 10, so that the second additive particles 11 are evenly dispersed inside the PET base layer 10. The second additive particles 11 improve the thermal insulation performance and aging resistance of the device, thereby improving the stability of the device.

[0029] Working Principle: When using this high-temperature resistant PET film, first, during the production of the PET peeling layer 5, an appropriate amount of first additive particles 9 are added to the interior of the HC treatment layer 8, so that the first additive particles 9 and the HC treatment layer 8 form a multi-layer composite. At this time, due to the special material of the first additive particles 9, the overall heat resistance of the HC treatment layer 8 is greatly improved;

[0030] Further, by adding the second additive particles 11 in the interior of the PET base layer 10 in an appropriate amount, the second additive particles 11 are uniformly dispersed in the interior of the PET base layer 10, the heat insulation performance and the aging resistance of the device are improved by the second additive particles 11, and the stability of the device is improved;

[0031] Meanwhile, after the device is used up, by pulling the limiting frame 1 to the front end, the limiting frame 1 drives 401 and 402 to displace to the front end, so that the operator can install the brand new PET stripping layer 5 on the outside of the supporting cylinder 3, and at the same time, the limiting frame 1 is pushed to the rear side to reinstall 401 at the front end of the supporting cylinder 3, so as to complete the replacement work of the PET stripping layer 5, improve the disassembly and replacement efficiency of the device, which is the use method of the high-temperature-resistant PET film.

[0032] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high temperature resistant PET film comprising: A limiting frame (1), and a support tube (3) provided on the inner side of the limiting frame (1), wherein a PET peeling layer (5) is provided on the outer side of the support tube (3), characterized in that it further comprises: A first connecting block (2) is installed inside the limiting frame (1); a connecting assembly (4) is provided at the front end of the supporting cylinder (3); phthalic acid particles (6) are provided inside the PET peeling layer (5); an adhesive layer (7) is provided on the inner side of the PET peeling layer (5); an HC treatment layer (8) is provided on the inner side of the adhesive layer (7); first additive particles (9) are provided inside the HC treatment layer (8); a PET base layer (10) is provided on the inner side of the HC treatment layer (8); and second additive particles (11) are provided inside the PET base layer (10).

2. The high temperature resistant PET film according to claim 1, characterized in that: The connecting assembly (4) includes (401) installed at the front end of the support tube (3), (402) is provided on the rear side of (401), and (403) is provided at the front end of (401).

3. The high temperature resistant PET film according to claim 2, characterized in that: The (402) is arranged to engage with the support tube (3) relative to each other, and the (402) is arranged symmetrically up and down about the central axis of the support tube (3).

4. The high temperature resistant PET film according to claim 2, characterized in that: The (403) and the first connecting block (2) are all arranged to rotate relative to the limiting frame (1), and the longitudinal sections of the (403) and the first connecting block (2) are both "T"-shaped structures.

5. The high temperature resistant PET film according to claim 1, characterized in that: The second added particles (11) are evenly arranged inside the PET base layer (10), and the second added particles (11) are made of "silicon dioxide".

6. The high temperature resistant PET film according to claim 1, characterized in that: The adhesive layer (7) is arranged at equal intervals on the inner side of the PET peeling layer (5).

7. The high temperature resistant PET film according to claim 1, characterized in that: The material of the first additive particles (9) is "polyphenylene sulfide".

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