Curtain with formaldehyde removal function

By combining a nylon fabric layer, a fluffy fabric layer, a stain-resistant coating, and a silver coating, and utilizing a photocatalytic material layer to catalyze the decomposition of formaldehyde, the problem of unsatisfactory formaldehyde removal effect of curtains is solved, achieving highly efficient air purification and self-cleaning effects.

CN224099140UActive Publication Date: 2026-04-10YOUPENG (JIAXING) NEW MATERIALS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing curtains are not effective at removing formaldehyde and have limited functionality, failing to effectively remove harmful gases from indoor air and thus affecting human health.

Method used

It adopts a combination structure of nylon cloth layer, fluffy cloth layer, anti-fouling coating, formaldehyde removal agent coating and silver coating. It adsorbs and catalyzes the decomposition of formaldehyde through photocatalytic material layer, and achieves anti-fouling and self-cleaning function by combining nano-hydrophobic silica mixture layer.

Benefits of technology

It significantly removes formaldehyde, with a removal rate of over 71.28%, and also features heat insulation, radiation protection, and self-cleaning functions, thus extending the lifespan of the curtains and improving air purification efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a curtain with a formaldehyde removal function, the curtain comprises a nylon cloth layer, a fluffy cloth layer, an antifouling coating, a formaldehyde removal auxiliary agent coating and a silver colloid coating, the first surface layer of the nylon cloth layer and the first surface of the fluffy cloth layer are adhered to each other and jointly serve as a bearing main body; the formaldehyde removal assistant coating is uniformly coated on the second surface of the fluffy cloth layer, and the silver colloid coating is uniformly coated on the second surface of the nylon cloth layer; the antifouling coating is arranged on the outer surface of the formaldehyde removal auxiliary agent coating.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of curtain decoration, especially a curtain with formaldehyde removal function. BACKGROUND

[0002] With the growth of cases of cancer, infertility and other serious events caused by excessive content of harmful substances such as formaldehyde in house decoration and car decoration, people pay more and more attention to the quality of closed environment such as indoor and indoor. Generally, the decoration materials will release formaldehyde, benzene, xylene, TVOC (total volatile organic compounds) and other toxic gases to different degrees. Among them, colorless and irritating formaldehyde gas can irritate the eyes, nose and other parts of the human body, and a certain concentration of formaldehyde can harm the human nervous system, lungs, liver and other organs. High concentration of formaldehyde can even cause death. In addition, long-term exposure to high concentration of formaldehyde can increase the risk of cancer, infertility, fetal malformation and other problems. After long-term observation and testing, it is found that the release period of formaldehyde is 5 to 15 years. If formaldehyde is not removed in time, it will inevitably affect the health of people and the next generation of mankind.

[0003] As an essential decoration for indoor decoration, the curtain can not only isolate the outside to protect privacy, but also can block light to meet the needs of different light intensity. At present, some functional curtains appear on the market, such as formaldehyde removal, waterproof, heat preservation and other multifunctional curtain materials. However, the effect of the existing formaldehyde removal function curtain material is not ideal, so it is urgent to develop a new multifunctional curtain which can remove formaldehyde more effectively. SUMMARY

[0004] The utility model aims at providing a curtain with formaldehyde removal function, which can not only remove formaldehyde, but also has the functions of heat insulation, radiation protection and self-cleaning, effectively solving the problem of poor formaldehyde removal effect and single function of the existing technology.

[0005] According to the utility model, a curtain with formaldehyde removal function is provided, which comprises a nylon cloth layer, a fluffy cloth layer, a stain-resistant coating, a formaldehyde removal aid coating and a silver glue coating:

[0006] The first surface of the nylon cloth layer and the first surface of the fluffy cloth layer are bonded together as a bearing main body;

[0007] The formaldehyde removal aid coating is uniformly coated on the second surface of the fluffy cloth layer, and the silver glue coating is uniformly coated on the second surface of the nylon cloth layer;

[0008] The stain-resistant coating is arranged on the outer surface of the formaldehyde removal aid coating.

[0009] According to some embodiments, the surface of the nylon cloth layer is provided with a first pattern;

[0010] The surface of the fluffy cloth layer is provided with a second pattern.

[0011] According to some embodiments, the second pattern provided on the surface of the fluffy cloth layer is a dot pattern, and the dot pattern on the surface of the fluffy cloth layer is uniformly distributed, and the distance between each dot is 0.5-1cm.

[0012] According to some embodiments, the thickness of the anti-fouling coating is 0.1-1μm.

[0013] According to some embodiments, the anti-fouling coating is a nano-hydrophobic silica mixture layer.

[0014] According to some embodiments, the thickness of the aldehyde-removing auxiliary coating is 0.05-1μm.

[0015] According to some embodiments, the aldehyde-removing auxiliary coating is a photocatalyst material layer.

[0016] According to some embodiments, the thickness of the fluffy cloth is 0.5-1.2mm.

[0017] According to some embodiments, the thickness of the nylon cloth layer is 0.5-2mm.

[0018] According to some embodiments, the silver glue coating is a polyamide silver glue coating.

[0019] The thickness of the silver glue coating is 0.1-0.5μm.

[0020] The window curtain with aldehyde-removing function of the example embodiments comprises, from outside to inside, an anti-fouling coating, an aldehyde-removing auxiliary coating, a nylon fabric layer, a fluffy cloth layer and a silver glue coating, the outermost layer is the anti-fouling coating, which can prevent dust, stains and the like from adhering to the surface of the window curtain, and is easy to clean and maintain; the nylon fabric layer and the fluffy cloth layer serve as the bearing main body, ensuring the strength and durability of the entire window curtain structure, and providing a carrier for the aldehyde-removing auxiliary coating; the silver glue coating not only gives the window curtain certain conductivity and antibacterial properties, but also plays a protective role for the underlying materials.

[0021] The window curtain with aldehyde-removing function can adsorb and catalytically decompose harmful gases such as formaldehyde, and with the aid of the aldehyde-removing auxiliary agent in the aldehyde-removing auxiliary coating, the formaldehyde is catalytically decomposed into CO2 and H2O, thereby achieving the removal of harmful gases such as formaldehyde in indoor, in-vehicle and other environments, while also having the functions of heat insulation, radiation protection and self-cleaning anti-fouling.

[0022] It should be understood that the foregoing general description and the following detailed description are only exemplary and do not limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced.

[0024] Figure 1 A cross-sectional structure schematic diagram of a curtain with an aldehyde removal function according to an example embodiment is shown.

[0025] Reference signs

[0026] 101 anti-fouling coating 103 aldehyde removal auxiliary agent coating 105 fluffy cloth layer

[0027] 107 nylon cloth layer 109 silver glue coating DETAILED DESCRIPTION

[0028] Example embodiments now will be described more fully hereinafter with reference to the accompanying drawings. Example embodiments, however, can be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. Like reference numerals refer to like elements throughout the several views of the drawings.

[0029] The block diagrams illustrated in the drawings are merely functional entities and do not necessarily have to correspond to physically independent entities.

[0030] It should be understood that although the terms first, second, third, etc. can be used herein to describe various components, these components should not be limited by these terms. These terms are used to distinguish one component from another. Thus, a first component discussed below could be termed a second component without departing from the teachings of the present disclosure. As used herein, the term "and / or" includes any and all combinations of associated items.

[0031] Those skilled in the art can understand that the modules or flows in the drawings are not necessarily required to implement the present application, and therefore cannot be used to limit the protection scope of the present application.

[0032] In order to make the purpose, technical scheme and advantages of the present utility model more clear, the technical scheme of the present utility model will be described clearly and completely below in combination with the drawings.

[0033] Figure 1 A cross-sectional structure schematic diagram of a curtain with an aldehyde removal function according to an example embodiment is shown.

[0034] The curtain with an aldehyde removal function of the present utility model comprises a nylon cloth layer, a fluffy cloth layer, an anti-fouling coating, an aldehyde removal auxiliary agent coating and a silver glue coating, referring to Figure 1From outside to inside, it includes the anti-fouling coating 101, the aldehyde removal auxiliary coating 103, the fluffy cloth layer 105, the nylon cloth layer 107 and the silver glue coating 109.

[0035] According to an example embodiment, the first surface of the nylon cloth layer 107 and the first surface of the fluffy cloth layer 105 are bonded together as a bearing body, the bonding surface is called the inner surface, and the other surface is the outer surface. The aldehyde removal auxiliary coating 103 is arranged on the fluffy cloth layer 105, the anti-fouling coating 101 is arranged on the outer surface of the aldehyde removal auxiliary coating 103, and the silver glue coating 109 is arranged on the outer surface of the nylon cloth layer 107.

[0036] According to some embodiments, the surface of the nylon cloth layer 107 is provided with a first pattern, and the surface of the fluffy cloth layer 105 is provided with a second pattern. After the nylon cloth layer 107 and the fluffy cloth layer 105 are bonded together as a curtain bearing body, not only the overall strength is improved, but also the relative sliding or displacement between the two layers of materials is prevented.

[0037] The surface of the nylon cloth layer 107 is provided with a first pattern, and the surface of the nylon cloth layer 107 is provided with a first pattern. The design of the pattern can enhance the wear resistance of the surface and prolong the service life of the curtain. The first pattern on the surface of the nylon cloth layer is a diamond pattern. The uniformly distributed diamond pattern can disperse stress by changing the arrangement of fibers, thereby improving the overall strength and tear resistance of the cloth and reducing deformation problems caused by stretching or shrinking. According to an embodiment, the thickness of the nylon cloth is 0.5-2mm, preferably 1-1.5mm.

[0038] The surface of the fluffy cloth layer 105 is provided with a second pattern, and the second pattern on the surface of the fluffy cloth layer 105 can be a dot pattern. The dot pattern is uniformly distributed, and the distance between each dot can be 0.5-1.0cm. The dot pattern increases the effective surface area of the fluffy cloth layer, which helps to better adhere to the aldehyde removal auxiliary coating 103, thereby improving the air purification efficiency.

[0039] In addition, the fluffy cloth layer 105 itself has a certain sound absorption capacity, and the dot pattern further enhances this property, which helps to absorb part of the sound waves and plays a better sound insulation role. This is more obvious for double or multi-layer curtains. The material of the fluffy cloth layer is suitable for various production processes, including the use of other materials such as nylon cloth to form a composite structure. According to an embodiment, the thickness of the fluffy cloth layer is 0.5-1.2mm, preferably 0.5-1mm.

[0040] The outer surface of the fluffy cloth layer 105 is uniformly covered with the aldehyde removal auxiliary coating 103. According to an embodiment, the thickness of the aldehyde removal auxiliary coating 103 is 0.05-1μm, preferably 0.1-0.5μm.

[0041] The aldehyde removal aid coating 103 is a layer of photocatalytic material containing an aldehyde removal aid, which can effectively adsorb and catalytically decompose harmful gases such as formaldehyde, benzene, and TVOC in the room. According to an embodiment, the aldehyde removal aid can be Optex Aldehyde Removal Aid-H, which mainly acts as a catalyst in the presence of light to achieve catalytic killing of bacteria in the air and catalytic decomposition of formaldehyde and TVOC. The aldehyde removal aid is commercially available and detailed information can be obtained by logging into the company's product website.

[0042] The anti-fouling coating 101 is provided on the aldehyde removal aid coating 103 to give the curtain anti-fouling and self-cleaning functions. The anti-fouling coating 101 is a layer of nano-hydrophobic silica mixture formed by uniformly coating a mixture containing nano-hydrophobic silica onto the surface of the aldehyde removal aid coating 103. In an embodiment, the mixture is a mixture of nano-hydrophobic silica and alcohol.

[0043] The anti-fouling coating 101 has the functions of water resistance, anti-fouling, easy cleaning, and protection of the aldehyde removal aid coating 103. According to an embodiment, the thickness of the anti-fouling coating 101 is 0.05-1.5 μm, preferably 0.1-1 μm.

[0044] The silver glue coating 109 is provided on the outer surface of the nylon cloth layer 107 to give the curtain anti-ultraviolet radiation function. According to an embodiment, the silver glue coating 109 is a PA silver glue coating, and the thickness of the silver glue coating is 0.05-1 μm, preferably 0.1-0.5 μm.

[0045] According to some embodiments, a method for making a curtain with aldehyde removal function is shown.

[0046] The curtain with aldehyde removal function of the present application is made as shown in Figure 1 The inner surfaces of the nylon cloth layer 107 and the fluffy cloth layer 105 are bonded together, the outer surface of the fluffy cloth layer 105 is sequentially provided with the aldehyde removal aid coating 103 and the anti-fouling coating 101, and the outer surface of the nylon cloth layer is provided with the silver glue coating 109.

[0047] The fluffy cloth layer is 85gsm dot fluffy cloth, the surface of the 85gsm dot fluffy cloth 105 is a uniform dot pattern, the distance between the dots is 0.5-1 cm, the thickness of the 85gsm dot fluffy cloth is about 1 mm, and the surface of the nylon cloth layer 107 is a rhombic mesh surface with a thickness of about 1 mm.

[0048] The commercially available Optex Aldehyde Removal Aid-H (solution) is uniformly coated on the fluffy cloth layer and dried to form the aldehyde removal aid coating 103 on the fluffy cloth layer, and the thickness of the aldehyde removal aid coating 103 is about 0.2 μm.

[0049] Then, an anti-fouling coating 101 is provided on the aldehyde removal auxiliary coating 103, the anti-fouling coating 101 being formed by coating a mixture containing nano-hydrophobic silica and alcohol onto the surface of the aldehyde removal auxiliary coating, and the thickness of the anti-fouling coating 101 is about 0.2 μm.

[0050] A PA (polyamide) silver glue coating 109 is coated on the lower surface of the nylon cloth layer 107, and the thickness of the PA silver glue coating 109 is about 0.2 μm.

[0051] The prepared curtain material is dried in a fume hood overnight for standby use.

[0052] The aldehyde removal performance test is performed on the curtain with the aldehyde removal function prepared in the example embodiment.

[0053] Test method

[0054] The performance test is a sealed test in a container with a size of 300*200*150 mm, and the formaldehyde concentration test instrument used is an intersacn4160 formaldehyde concentration continuous test instrument of the United States, and the test method is tested according to the JC / T 1074-2021 standard. First, the formaldehyde diluent is prepared by diluting the 37w% formaldehyde solution to 25w%, and the measurement of the initial formaldehyde concentration of the blank is performed.

[0055] The specific operation steps include: taking 0.4ul of formaldehyde dilution solution, extracting 0.6-0.8 microliters with a needle tube, pushing the needle to 0.4 microliters, and after pushing the needle to empty the bottom surface of the culture dish, withdrawing the needle once horizontally. When adding the diluent, ensure that it is sealed, replace the original liquid once, test the content once a week, and ensure that the initial concentration is correct. Then, heat in a 40℃ incubator for 2 hours to ensure that the formaldehyde is fully volatilized, and take the average value after multiple tests. The formaldehyde concentration of the blank box test is 1.21 ppm.

[0056] Test results

[0057] The curtain with the aldehyde removal function prepared above is cut into a cloth block with a size of 50*50 mm, placed in a test container, and formaldehyde diluent is added. After heating in a 40℃ incubator for 2 hours, it is placed for 2 hours, 24 hours and 72 hours respectively, and the formaldehyde concentration test is performed. At the same time, 4 groups of parallel samples are tested, and the average value is taken as the final result. The aldehyde removal rate is calculated according to the following formula:

[0058]

[0059] Wherein, C0 is the blank formaldehyde concentration, and C1 is the actual test formaldehyde concentration.

[0060] The test results are shown in the following table:

[0061]

[0062] From the test results of the above table, it can be seen that the de-aldehyde effect of the curtain with de-aldehyde function in the example embodiment of the present application is remarkable, the de-aldehyde rate can reach 71.28% in 2h, and the de-aldehyde rate has exceeded 95% after 24h and 72h, and the curtain has excellent de-aldehyde performance.

[0063] The preferred embodiments of the present application are described above, and are not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0064] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0065] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0066] The example embodiments of the present application are specifically shown and described above. It should be understood that the present application is not limited to the detailed structure, arrangement or implementation method described herein; on the contrary, the present application is intended to cover various modifications and equivalent arrangements included in the spirit and scope of the appended clauses.

Claims

1. A curtain with formaldehyde removal function, characterized in that, The curtain comprises a nylon cloth layer, a fluffy cloth layer, an anti-fouling coating layer, an aldehyde-removing auxiliary coating layer and a silver glue coating layer: The first surface of the nylon cloth layer and the first surface of the fluffy cloth layer are bonded together as a bearing main body; The aldehyde-removing auxiliary coating layer is uniformly coated on the second surface of the fluffy cloth layer, and the silver glue coating layer is uniformly coated on the second surface of the nylon cloth layer; The anti-fouling coating layer is arranged on the outer surface of the aldehyde-removing auxiliary coating layer.

2. The curtain according to claim 1, wherein: The surface of the nylon cloth layer is provided with a first pattern; The surface of the fluffy cloth layer is provided with a second pattern.

3. The window treatment of claim 2, wherein, The second pattern provided on the surface of the fluffy cloth layer is a dot pattern, and the dot pattern is uniformly distributed, and the distance between each dot is 0.5-1 cm.

4. The curtain according to claim 1, wherein: The thickness of the anti-fouling coating layer is 0.1-1 μm.

5. The curtain according to claim 4, wherein: The anti-fouling coating layer is a nano-hydrophobic silica mixture layer.

6. The curtain according to claim 1, wherein: The thickness of the aldehyde-removing auxiliary coating layer is 0.05-1 μm.

7. The window treatment of claim 6, wherein, The aldehyde-removing auxiliary coating layer is a photocatalyst material layer.

8. The curtain according to claim 3, wherein: The thickness of the fluffy cloth is 0.5-1.2 mm.

9. The curtain according to claim 2, wherein: The thickness of the nylon cloth layer is 0.5-2 mm.

10. The curtain according to claim 1, wherein: The silver glue coating layer is a polyamide silver glue coating layer; The thickness of the silver glue coating layer is 0.1-0.5 μm.