Wear-resistant thermo-sensitive paper

Abstract

The utility model relates to the technical field of thermo-sensitive paper, and discloses wear-resistant thermo-sensitive paper which comprises a thermo-sensitive paper body, the thermo-sensitive paper body comprises an upper protective layer, a thermo-sensitive color-changing layer, an adhesive layer, a body paper layer and a lower protective layer, the upper protective layer is located at the top of the thermo-sensitive color-changing layer, the thermo-sensitive color-changing layer is located at the top of the adhesive layer, and the lower protective layer is located at the bottom of the body paper layer. The adhesive layer is located at the top of the body paper layer, the lower protective layer is located at the bottom of the body paper layer, and the upper protective layer comprises a wear-resistant layer and an isolating layer. According to the thermo-sensitive paper, the thermo-sensitive paper body is composed of the upper protective layer, the thermo-sensitive color-changing layer, the adhesive layer, the body paper layer and the lower protective layer, the upper protective layer is composed of the wear-resistant layer and the isolating layer, and the lower protective layer is composed of the waterproof layer and the wear-resistant coating layer, so that the original characteristics of the thermo-sensitive paper are reserved; the wear resistance and the water resistance of the upper surface and the lower surface of the thermo-sensitive paper body are improved, and the service life of the thermo-sensitive paper body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal paper, in particular to a wear-resistant thermal paper. Background Art

[0002] Thermal paper is also called thermal fax paper, thermal recording paper, and thermal copy paper. It is a processed paper. Its manufacturing principle is to coat a layer of thermal coating on the base paper. The thermal coating reacts under heat. Thermal paper is used as a communication carrier of text and graphics on fax machines, that is, as fax paper; thermal paper is used as recording material in medical and measurement systems, such as electrocardiogram paper, thermal instrument recording paper, etc. Thermal paper can also be used as printing paper in Internet terminals; thermal paper is used to make trademarks, signature codes (POS), etc. in commercial activities. However, the existing thermal paper has poor texture and poor wear resistance.

[0003] Chinese patent CN205631597U discloses a wear-resistant thermal paper, which includes thermal paper, a waterproof layer is arranged on the upper end of the thermal paper, and a wear-resistant layer is arranged on the lower end of the thermal paper. The wear-resistant layer is arranged on the lower end of the thermal paper to ensure the wear-resistant effect of the thermal paper, and it has the characteristics of easy use, simple operation, good practicality, low cost, etc. However, the wear resistance of the top of the thermal paper is still limited, the top is easily damaged by friction, and the waterproofness is limited.

[0004] Therefore, those skilled in the art provide an anti-wear thermal paper to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to improve the problem of limited wear resistance and water resistance of traditional thermal paper, the utility model provides a wear-resistant thermal paper.

[0006] The utility model provides a wear-resistant thermal paper, which adopts the following technical scheme:

[0007] A wear-resistant thermal paper, comprising a thermal paper body, wherein the thermal paper body comprises an upper protective layer, a thermochromic layer, an adhesive layer, a base paper layer and a lower protective layer, wherein the upper protective layer is located on the top of the thermochromic layer, the thermochromic layer is located on the top of the adhesive layer, the adhesive layer is located on the top of the base paper layer, and the lower protective layer is located on the bottom of the base paper layer;

[0008] The upper protective layer includes a wear-resistant layer and an isolation layer, wherein the wear-resistant layer is located on the top of the isolation layer, and the lower protective layer includes a waterproof layer and a wear-resistant coating layer, wherein the wear-resistant coating layer is located at the bottom of the waterproof layer.

[0009] By adopting the above technical scheme, the thermal paper body is composed of an upper protective layer, a thermochromic layer, an adhesive layer, a base paper layer and a lower protective layer, the original characteristics of the thermal paper are retained, a waterproof layer and a wear-resistant layer are added, the wear resistance and waterproofness of the upper and lower surfaces of the thermal paper body are increased, and the service life of the thermal paper body is increased.

[0010] Optionally, the wear-resistant layer is a polyester film layer, and the thickness of the wear-resistant layer is 0.1 mm-0.11 mm.

[0011] By adopting the above technical solution, the polyester film is a colorless, transparent and glossy film with increased light transmittance, excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance and chemical resistance, which increases the wear resistance and puncture resistance of the top of the thermal paper body and ensures the service life of the thermal paper body.

[0012] Optionally, the isolation layer is a PEVA film layer, and the thickness of the isolation layer is 0.06 mm-0.07 mm.

[0013] By adopting the above technical solution, the PEVA film has the characteristics of light weight, high transparency, low temperature resistance and good water resistance. It can be used to isolate the wear-resistant layer and the thermochromic layer. It has good flexibility and can fit the two to increase airtightness and prevent the thermochromic layer from contacting the air.

[0014] Optionally, the waterproof layer is a PE film layer, and the thickness of the waterproof layer is 0.13mm-0.14mm.

[0015] By adopting the above technical solution, the PE film has good transparency and abrasion resistance, good impact resistance, good insulation and water resistance, which can increase the waterproofness of the bottom of the thermal paper body and prevent the base paper layer from being damaged by moisture.

[0016] Optionally, the wear-resistant coating layer is a polyurethane coating layer, and the thickness of the wear-resistant coating layer is 30 μm-35 μm.

[0017] By adopting the above technical scheme, the polyurethane coating has superior properties such as strong adhesion, good wear resistance, high hardness, chemical resistance, and good weather resistance, which increases the wear resistance of the bottom of the thermal paper body and fits better with the waterproof layer.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. The utility model adopts an upper protective layer, a thermochromic layer, an adhesive layer, a base paper layer and a lower protective layer to form a thermal paper body, and adopts a wear-resistant layer and an isolation layer to form an upper protective layer, and adopts a waterproof layer and a wear-resistant coating layer to form a lower protective layer. The original characteristics of the thermal paper are retained, and a waterproof layer and a wear-resistant layer are added, thereby increasing the wear resistance and waterproofness of the upper and lower surfaces of the thermal paper body and increasing the service life of the thermal paper body.

[0020] 2. The wear-resistant layer of the utility model is a polyester film, which is a colorless, transparent and glossy film with increased light transmittance and excellent mechanical properties. It has high rigidity, hardness and toughness, and is puncture-resistant, friction-resistant and chemical-resistant. It increases the wear resistance and puncture resistance of the top of the thermal paper body and ensures the service life of the thermal paper body. The isolation layer is a PEVA film, which has the characteristics of light weight, high transparency, low temperature resistance and good water resistance. It can be used to isolate the wear-resistant layer from the thermal color-changing layer, has good flexibility, and fits the two together to increase air tightness and prevent the thermal color-changing layer from contacting the air. The waterproof layer is a PE film, which has good transparency and wear resistance, good impact resistance, good insulation and water resistance, and can increase the waterproofness of the bottom of the thermal paper body to prevent the base paper layer from being damaged by moisture. The wear-resistant coating layer is a polyurethane coating, which has the advantages of strong adhesion, good wear resistance, high hardness, chemical resistance and good weather resistance, increases the wear resistance of the bottom of the thermal paper body and fits better with the waterproof layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the enlarged structure of a partial cross section of the thermal paper of the utility model.

[0023] Figure 3 It is a schematic diagram of the enlarged structure of a partial cross section of the upper protective layer of the utility model.

[0024] Figure 4 It is a schematic diagram of the enlarged structure of a partial cross section of the lower protective layer of the utility model.

[0025] Description of reference numerals:

[0026] 1. Thermal paper body; 101. upper protective layer; 1011. wear-resistant layer; 1012. isolation layer; 102. thermal color-changing layer; 103. adhesive layer; 104. base paper layer; 105. lower protective layer; 1051. waterproof layer; 1052. wear-resistant coating layer. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-4 This application is described in further detail.

[0028] Embodiment 1:

[0029] Please refer to Figure 1-2 , an anti-wear thermal paper, including a thermal paper body 1, characterized in that: the thermal paper body 1 includes an upper protective layer 101, a thermochromic layer 102, an adhesive layer 103, a base paper layer 104 and a lower protective layer 105, the upper protective layer 101 is located on the top of the thermochromic layer 102, the thermochromic layer 102 is located on the top of the adhesive layer 103, the adhesive layer 103 is located on the top of the base paper layer 104, and the lower protective layer 105 is located at the bottom of the base paper layer 104.

[0030] In this embodiment, the thermal paper body 1 is composed of an upper protective layer 101, a thermochromic layer 102, an adhesive layer 103, a base paper layer 104 and a lower protective layer 105, thereby ensuring the normal function of the thermal paper body 1 and increasing the waterproofness and wear resistance of the upper and lower surfaces of the thermal paper body 1.

[0031] Embodiment 2:

[0032] Reference Figure 1 , Figure 3 and Figure 4 The upper protective layer 101 includes a wear-resistant layer 1011 and an isolation layer 1012, the wear-resistant layer 1011 is located on the top of the isolation layer 1012, the lower protective layer 105 includes a waterproof layer 1051 and a wear-resistant coating layer 1052, the wear-resistant coating layer 1052 is located at the bottom of the waterproof layer 1051, the wear-resistant layer 1011 is a polyester film layer, the thickness of the wear-resistant layer 1011 is 0.1mm-0.11mm, the isolation layer 1012 is a PEVA film layer, the thickness of the isolation layer 1012 is 0.06mm-0.07mm, the waterproof layer 1051 is a PE film layer, the thickness of the waterproof layer 1051 is 0.13mm-0.14mm, the wear-resistant coating layer 1052 is a polyurethane coating layer, and the thickness of the wear-resistant coating layer 1052 is 30μm-35μm.

[0033] In this embodiment: the polyester film is a colorless, transparent, and glossy film, which increases light transmittance and has excellent mechanical properties, high rigidity, hardness, and toughness, and is puncture-resistant, friction-resistant, and chemical-resistant. It increases the wear resistance and puncture resistance of the top of the thermal paper body 1, and ensures the service life of the thermal paper body 1. The PEVA film has the characteristics of light weight, high transparency, low temperature resistance, and good water resistance. It can be used to isolate the wear-resistant layer 1011 and the thermal color-changing layer 102, has good flexibility, and fits the two. It can increase air tightness and prevent the thermal color-changing layer 102 from contacting the air. The PE film has good transparency and wear resistance, good impact resistance, good insulation, and water resistance, which can increase the waterproofness of the bottom of the thermal paper body 1 and prevent the base paper layer 104 from being damaged by moisture. The polyurethane coating has strong adhesion, good wear resistance, high hardness, and excellent chemical resistance and weather resistance. It increases the wear resistance of the bottom of the thermal paper body 1 and is more closely fitted with the waterproof layer 1051.

[0034] The implementation principle of the utility model is as follows: when in use, an adhesive layer 103 is applied to the surface of a base paper layer 104, and then a thermochromic layer 102 is applied to the surface of the adhesive layer 103, and an upper protective layer 101 is bonded and pressed on the top of the thermochromic layer 102, and a lower protective layer 105 is bonded and pressed on the bottom of the base paper layer 104. The wear-resistant layer 1011 has a colorless, transparent, and glossy film, which increases light transmittance, and has excellent mechanical properties, high rigidity, hardness, and toughness, and is puncture-resistant, friction-resistant, and chemical-resistant. The wear resistance and puncture resistance of the top of the thermal paper body 1 are increased, and the service life of the thermal paper body 1 is guaranteed. The isolation layer 1012 has a heavy It has the characteristics of light weight, high transparency, low temperature resistance and good water resistance. It can be used to isolate the wear-resistant layer 1011 and the thermochromic layer 102. It has good flexibility and fits with the two to increase air tightness and prevent the thermochromic layer 102 from contacting the air. The waterproof layer 1051 has good transparency and wear resistance. It has good impact resistance, good insulation and water resistance, which can increase the waterproofness of the bottom of the thermal paper body 1 and prevent the base paper layer 104 from being damaged by moisture. The wear-resistant coating layer 1052 has the superior properties of strong adhesion, good wear resistance, high hardness, chemical resistance, good weather resistance, etc., which increases the wear resistance of the bottom of the thermal paper body 1 and is more fitted with the waterproof layer 1051.

[0035] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

[0036] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant thermal paper, comprising a thermal paper body (1), characterized in that: The thermal paper body (1) comprises an upper protective layer (101), a thermochromic layer (102), an adhesive layer (103), a base paper layer (104) and a lower protective layer (105), wherein the upper protective layer (101) is located on the top of the thermochromic layer (102), the thermochromic layer (102) is located on the top of the adhesive layer (103), the adhesive layer (103) is located on the top of the base paper layer (104), and the lower protective layer (105) is located on the bottom of the base paper layer (104); The upper protective layer (101) comprises a wear-resistant layer (1011) and an isolation layer (1012), wherein the wear-resistant layer (1011) is located on the top of the isolation layer (1012), and the lower protective layer (105) comprises a waterproof layer (1051) and a wear-resistant coating layer (1052), wherein the wear-resistant coating layer (1052) is located on the bottom of the waterproof layer (1051).

2. The wear-resistant thermal paper according to claim 1, characterized in that: The wear-resistant layer (1011) is a polyester film layer, and the thickness of the wear-resistant layer (1011) is 0.1 mm-0.11 mm.

3. The wear-resistant thermal paper according to claim 1, characterized in that: The isolation layer (1012) is a PEVA film layer, and the thickness of the isolation layer (1012) is 0.06 mm-0.07 mm.

4. The wear-resistant thermal paper according to claim 1, characterized in that: The waterproof layer (1051) is a PE film layer, and the thickness of the waterproof layer (1051) is 0.13 mm-0.14 mm.

5. The wear-resistant thermal paper according to claim 1, characterized in that: The wear-resistant coating layer (1052) is a polyurethane coating layer, and the thickness of the wear-resistant coating layer (1052) is 30 μm-35 μm.

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