Far infrared heating ink for drying clothes hanger

Abstract

The application discloses a far-infrared heating ink for drying a clothes drying rack, and the far-infrared heating ink comprises the following components in parts by mass: a binder 40-50 parts, graphene 5-10 parts, a solvent 20-30 parts, carbon nanotubes 1-3 parts, carbon black 10-15 parts, a dispersing agent 3-5 parts and a defoaming agent 0.1-0.3 parts. The far-infrared heating ink has the advantages of high electric-thermal conversion rate, fast heating speed, good heating uniformity, stable heating power, good moisture-proof and waterproof properties and long service life.

Description

Technical Field

[0001] This invention relates to the field of heating, mainly in the direction of heating, and specifically to a far-infrared heating ink for use in clothes drying racks. Background Technology

[0002] With the development of technology and the improvement of living standards, customers have stricter requirements for the quality of existing products. Therefore, we developed a clothes drying rack with excellent far-infrared function. Far-infrared rays can penetrate fibers, drying simultaneously inside and out, resulting in good drying uniformity, high heating efficiency, and low risk. Existing clothes drying racks are either fan-heated or lamp-heated. Lamp-heated racks consume a lot of electricity, have a limited heating range, dry unevenly, and pose safety hazards such as water ingress and electric leakage. Fan-heated racks have a slow heating speed, low electrothermal conversion rate, are sensitive to humidity, and are less effective in humid areas. They are also accompanied by noise, and energy consumption gradually increases over time. The drying uniformity is also affected by the fact that hot air is easily blocked by clothes, resulting in slow drying on the lower and inner layers, and they have high installation requirements. In addition, existing clothes drying racks pose a high risk of damaging clothes, easily causing fabrics to harden, fade, and bulk, and have high labor costs. Far-infrared heating ink clothes drying racks have a longer service life than existing clothes drying racks. Summary of the Invention

[0003] To address the shortcomings of existing clothes drying racks, such as their inability to be waterproof and moisture-proof, susceptibility to humid environments, risk of electric leakage, slow heating speed, low electrothermal conversion rate, high power consumption, and high cost, this invention provides a far-infrared heating ink for clothes drying racks. Through material and process optimization, this far-infrared heating ink achieves high electrothermal conversion rate, rapid heating speed, and allows the clothes drying rack to utilize its far-infrared function for good drying uniformity, stable heating power, long service life, and good moisture and water resistance.

[0004] To achieve its objectives, the present invention employs the following technical solution: A far-infrared heating ink for drying clothes racks, the far-infrared heating ink of the present invention comprises the following components in parts by weight: 40-50 parts binder, 5-10 parts graphene, 20-30 parts solvent, 1-3 parts carbon nanotubes, 10-15 parts carbon black, 3-5 parts dispersant, and 0.1-0.3 parts defoamer.

[0005] Further, the adhesive is one or more of polyester resin, epoxy resin and acrylic resin, such as polyester resin GK-880 (Toyobo), which is further dissolved in 70 parts of DBE to obtain resin GK-880 (30%) solution.

[0006] Furthermore, the graphene comprises 5 to 10 parts, and the graphene comprises 1 to 10 thin-layer graphene sheets with a sheet diameter of less than 50 μm.

[0007] Further, the solvent is 20-30 parts, and the solvent is one or more of divalent ester, isoflurane, propylene glycol methyl ether acetate and propylene glycol.

[0008] Furthermore, the carbon nanotubes are in the form of 1 to 3 parts, and the carbon nanotubes are multi-walled carbon nanotubes.

[0009] Furthermore, the carbon black is 10-15 parts, and the carbon black is superconducting carbon black.

[0010] Further, the dispersant is 3 to 5 parts, and the dispersant is one or more of SN-1831 and polyvinylpyrrolidone PVP K30 from Shanghai Shenzhu Chemical Technology Co., Ltd.

[0011] Further, the defoamer is 0.1 to 0.3 parts, and the defoamer is one or more of organosilicon polymers and non-silicone defoamers, such as defoamer SN-5330A (Shanghai Shenzhu Chemical).

[0012] The far-infrared heating ink for drying clothes racks described in this invention includes the following steps: Step 1: Stir polyester resin, graphene, dispersant, carbon black, carbon nanotubes, solvent, and defoamer in a disperser at 2000 r / min for 20 minutes to obtain mixture A; Step 2: Add mixture A to a three-roll mill and grind it at a speed of 1500 r / min. The ink needs to be ground 3-4 times in the three-roll mill. The fineness of the output should be less than 20 μm. Finally, vacuum stir and degas to obtain far-infrared heating ink B.

[0013] Compared with existing technologies, the far-infrared heating ink of the present invention has the following advantages: 1. High electrothermal conversion rate and fast heating speed.

[0014] 2. It has good moisture and water resistance and high hardness.

[0015] 3. Stable heating power, good uniformity, and long service life.

[0016] 4. It can generate heat at a controlled temperature of 40-70℃ and has a high far-infrared radiation coefficient. Attached Figure Description

[0017] Figure 1 Circuit design diagram for clothes drying rack; Detailed Implementation

[0018] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, a detailed description is provided below in conjunction with specific embodiments. The following content is merely illustrative and explanatory of the concept of the present invention. Various modifications, additions, or similar substitutions made by those skilled in the art to the described specific embodiments, as long as they do not deviate from the inventive concept or exceed the scope defined in these claims, should fall within the protection scope of the present invention.

[0019] Example 1: As Figure 1 As shown, the far-infrared heating ink is prepared according to the following steps in this embodiment: Step 1: Mix 43.8 parts of resin GK-880 (30%) solution, 10 parts of graphene, 5 parts of dispersant, 10 parts of carbon black, 2 parts of carbon nanotubes, 29 parts of solvent, and 0.2 parts of defoamer in a disperser at 2000 r / min for 20 minutes to obtain mixture A1; Step 2: Add the mixture A1 into a three-roll mill and grind it at a speed of 1500 r / min. The ink needs to be ground 3-4 times in the three-roll mill. The fineness of the output is less than 20 μm. Finally, degas it under vacuum to obtain far-infrared heating ink B1.

[0020] Example 2: In this example, far-infrared heating ink was prepared according to the following steps: Step 1: Mix 43.8 parts of resin GK-880 (30%) solution, 8 parts of graphene, 5 parts of dispersant, 12 parts of carbon black, 2 parts of carbon nanotubes, 29 parts of solvent, and 0.2 parts of defoamer in a disperser at 2000 r / min for 20 minutes to obtain mixture A2; Step 2: Add the mixture A2 into a three-roll mill and grind it at a speed of 1500 r / min. The ink needs to be ground 3-4 times in the three-roll mill. The fineness of the output is less than 20 μm. Finally, degas it under vacuum to obtain far-infrared heating ink B2.

[0021] Example 3: In this example, far-infrared heating ink was prepared according to the following steps: Step 1: Mix 43.8 parts of resin GK-880 (30%) solution, 6 parts of graphene, 5 parts of dispersant, 14 parts of carbon black, 2 parts of carbon nanotubes, 29 parts of solvent, and 0.2 parts of defoamer in a disperser at 2000 r / min for 20 minutes to obtain mixture A3; Step 2: Add the mixture A3 into a three-roll mill and grind it at a speed of 1500 r / min. The ink needs to be ground 3-4 times in the three-roll mill. The fineness of the output is less than 20 μm. Finally, degas it under vacuum to obtain far-infrared heating ink B3.

[0022] First, print two 10mm wide silver electrodes along the long edge of the heating substrate of the clothes rack, which is 1220mm long and 320mm wide. Figure 1 (As shown). The far-infrared heating inks prepared in Examples 1-3 were then printed on the entire heating substrate using a 150-mesh screen printing plate (so the heating area is 1200mm long and 300mm wide), ensuring that the film thickness was the same for all three examples. After curing at 150℃ for 30 minutes, a multi-position voltage control switch was connected, and the substrate was tested with 220V AC power.

[0023] Comparative Example 1 A domestically produced light-heated clothes drying rack.

[0024] Comparative Example 2 A domestically produced wind-heated clothes drying rack.

[0025] The clothes drying rack was continuously powered on and heated in a constant temperature and humidity environment of 20±2℃ and <50%. The test standards are shown in Table 1. Test examples and comparative data are shown in Table 2. The circuit design diagram of the drying rack is attached. Figure 1 .

[0026] Table 1 Test Standards for Each Indicator

[0027] Table 2

[0028] From the data in Table 2, it can be concluded that the far-infrared heating inks prepared in Examples 1-3 of this invention have the following advantages compared with the comparative examples: 1. High electrothermal conversion rate and fast heating speed.

[0029] 2. It has good moisture and water resistance and high hardness.

[0030] 3. Stable heating power, good uniformity, and long service life.

[0031] 4. It can generate heat at a controlled temperature of 40-70℃ and has a high far-infrared radiation coefficient.

[0032] The above description is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make corresponding adjustments and improvements without departing from the principle of the present invention, and these adjustments and improvements should also be considered within the scope of protection of the present invention.

Claims

1. A far-infrared heating ink for drying clothes racks, the far-infrared heating ink of the present invention comprises the following components in parts by weight: 40-50 parts binder, 5-10 parts graphene, 20-30 parts solvent, 1-3 parts carbon nanotubes, 10-15 parts carbon black, 3-5 parts dispersant, and 0.1-0.3 parts defoamer.

2. The far-infrared heating ink as described in claim 1, characterized in that: The adhesive is one or more of polyester resin, epoxy resin and acrylic resin.

3. The far-infrared heating ink as described in claim 1, characterized in that: The graphene is a thin layer of 1 to 10 layers.

4. The far-infrared heating ink as described in claim 1, characterized in that: The solvent is one or more of divalent esters, isoflurone, propylene glycol methyl ether acetate, and propylene glycol.

5. The far-infrared heating ink as described in claim 1, characterized in that: The carbon black is one or more of superconducting carbon black, conductive carbon black, and acetylene black.

6. The far-infrared heating ink as described in claim 1, characterized in that: The carbon nanotubes are one or more of single-walled carbon nanotubes, multi-walled carbon nanotubes, and oligo-walled carbon nanotubes.

7. The far-infrared heating ink as described in claim 1, characterized in that: The dispersant is one or more of SN-1831 and polyvinylpyrrolidone (PVP) K30 from Shanghai Shenzhu Chemical Technology Co., Ltd.

8. The far-infrared heating ink as described in claim 1, characterized in that: The defoamer is one or more of organosilicon polymers and non-silicone defoamers.

9. A far-infrared heating ink according to any one of claims 1 to 8, characterized in that, Includes the following steps: Step 1: Mix the resin, graphene, dispersant, carbon black, carbon nanotubes, solvent, and defoamer in a disperser at 2000 rpm for 20 minutes to obtain mixture A; Step 2: Add the mixture A into a three-roll mill and grind it at a speed of 1500 r / min. The material needs to be ground 3-4 times in the three-roll mill. The fineness of the output material is less than 20 μm. Finally, vacuum stir and degas to obtain far-infrared heating ink B.

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