Non-woven fabric and application of non-woven fabric in red butt relieving type intelligent fitting paper diaper

Abstract

The invention relates to the field of A61L15 / 00, in particular to non-woven fabric and application of the non-woven fabric in red butt soothing type intelligent fitting diapers, preparation raw materials of the non-woven fabric at least comprise non-woven fabric base cloth and spraying liquid, the spraying liquid at least comprises, by weight, 1-5 parts of hydrophilic oil, 0.01-1 part of weak acid and 0.002-5 parts of soothing components, the soothing components at least comprise algae extracts, and the algal extracts are added into the non-woven fabric base cloth. The algae extract at least comprises glycerol glucoside. The paper diaper made of the non-woven fabric can effectively solve the problems of skin sensitivity caused by existing paper diaper products or diaper dermatitis, contact dermatitis, eczema, atopic dermatitis and other symptoms caused by fragile and sensitive neonatal skin barriers.

Description

Technical Field

[0001] The present invention relates to the field of A61L15 / 00, and in particular to a non-woven fabric and application thereof in a diaper soothing smart fitting diaper for erythema. Background Art

[0002] As an important product for daily care of babies, the design and material selection of diapers are crucial to the health and comfort of babies. Traditional diapers mainly use highly absorbent polymer water-absorbing materials to keep the baby's skin dry. However, long-term urine contact and friction may cause symptoms such as redness, swelling, and itching on the baby's skin, commonly known as "red buttocks". Although the diapers on the market have improved in absorption performance, they are still insufficient in preventing and alleviating red buttocks. First, although the materials used in many diapers are highly absorbent, they have poor air permeability, causing the skin to be in a humid environment for a long time, increasing the risk of red buttocks. Secondly, the friction between the diaper and the baby's skin may cause skin damage, especially for babies with sensitive skin. In addition, some diapers may contain chemical additives or fragrances that may irritate the baby's skin and aggravate the symptoms of red buttocks. Inappropriate diaper size may cause urine leakage, increase the chance of skin contact with urine, and thus increase the risk of red buttocks. Finally, the existing diapers on the market rarely contain ingredients that can directly act on the skin, and parents' lack of understanding of the frequency of diaper replacement may cause babies to wear wet diapers for a long time, increasing the occurrence of skin problems. For example, a Chinese patent (publication number CN107670090A) discloses a method for preparing a breathable antibacterial diaper, which mainly introduces a Chinese medicine composition into a water-absorbing resin system to inhibit pathogens. A Chinese patent (publication number CN 115558263 A) discloses a highly breathable antibacterial diaper and a preparation method thereof, which uses biomass fibers to cooperate with the addition of pore-forming agents and the introduction of silver-loaded antibacterial agents to ensure the breathability and antibacterial properties of diapers. However, the above-mentioned diapers have low acceptance for children due to problems such as materials and chemical additives, and the soothing effect is also poor.

[0003] In addition, after birth, newborns are affected by maternal androgen, which increases sebum secretion and easily causes neonatal acne; prickly heat occurs due to incomplete development of sweat ducts; and when affected by immunity, genetics, external stimuli, and other factors, due to incomplete development of the skin barrier, diaper dermatitis, contact dermatitis, eczema, and atopic dermatitis are prone to occur. Therefore, developing a diaper that can have a long-term effect and relieve symptoms such as diaper dermatitis and eczema in newborns can not only effectively make up for the deficiencies of existing technologies, but also has important significance for producing safer and more widely applicable diapers and related products. Summary of the invention

[0004] The present invention provides a non-woven fabric. Diapers made of the non-woven fabric can effectively solve the skin sensitivity caused by existing diaper products or diaper dermatitis, contact dermatitis, eczema, atopic dermatitis and other symptoms caused by the fragile and sensitive skin barrier of newborns.

[0005] On the one hand, the present invention provides a non-woven fabric, the raw materials for its preparation include at least a non-woven fabric base fabric and a spraying liquid, the spraying liquid includes at least 1-5 parts of a hydrophilic oil agent, 0.01-1 parts of a weak acid, and 0.002-5 parts of a soothing component by weight, the soothing component includes at least an algae extract, and the algae extract includes at least glycerol glucoside.

[0006] As a preferred technical solution, the non-woven fabric base fabric is prepared by a method selected from the group consisting of a spunbond method, a meltblown method, a hot-rolled method, and a spunlace method.

[0007] The non-woven fabric base contains 0.5-1% natural silk fibers, and the remainder is PE / PET fibers.

[0008] As a preferred technical solution, the hydrophilic oil agent at least includes glycerol.

[0009] Preferably, the hydrophilic oil agent is glycerol or a combination of glycerol and at least one of polyvinyl alcohol, polyethylene glycol, ethanol and ethylene glycol.

[0010] Preferably, the hydrophilic oil agent is glycerol.

[0011] As a preferred technical solution, the weak acid is selected from at least one of citric acid, malic acid, salicylic acid, lactic acid and sorbic acid, preferably malic acid.

[0012] As a preferred technical solution, the soothing ingredient also includes at least one of tea polyphenols, vitamin E, ceramide, ectoine, hyaluronic acid, peach leaf extract, Centella asiatica extract, bisabolol, chamomile extract, aloe extract, mint extract, camellia oil, shea butter extract, olive oil, clove extract, white water lily extract, lily extract, cranberry extract, wormwood extract, calendula extract, and silk protein.

[0013] As a preferred technical solution, the algae extract is at least one of a blue algae extract, a green algae extract, and a brown algae extract containing glycerol glucoside.

[0014] As a preferred technical solution, the mass ratio of glycerol, malic acid and algae extract is (1-3): (0.01-0.05): (0.005-0.03); preferably, the mass ratio of glycerol, malic acid and algae extract is (1-2): (0.01-0.03): 0.01.

[0015] As a preferred technical solution, the preparation method of the non-woven fabric is to spray the spraying liquid onto the non-woven fabric base fabric so that the oil content of the non-woven fabric base fabric is 0.25-5%, and then dry it to obtain the non-woven fabric.

[0016] On the other hand, the present invention provides a soothing smart fitting diaper for diaper with red buttocks, which is composed of non-woven fabric, an absorbent core, a waterproof bottom film, an elastic waist, a leak-proof partition, a front waist patch, and left and right patches. The preparation process of the soothing smart fitting diaper for diaper with red buttocks at least includes the following steps: core wrapping and short cutting, surface layer lamination, bottom layer lamination, partition layer lamination, elastic band lamination, gluing materials of various parts, product arc cutting, product short cutting, and packaging into bags.

[0017] The non-woven fabric provided by the present invention greatly improves the skin experience of the diapers prepared subsequently by optimizing the non-woven fabric base fabric containing natural silk fibers. The non-woven fabric in the diapers has a smooth surface and a soft feel. It has no irritation to the skin after contact with the skin and can protect the skin well, especially for infants and young children with sensitive skin. The acceptance is high. Furthermore, the present invention has found in the process of exploration that by spraying a spray liquid composed of a weak acid, a soothing component and a hydrophilic oil agent on the above-mentioned non-woven fabric base fabric containing natural silk fibers, the oil content of the non-woven fabric base fabric after spraying the spray liquid is controlled to be 0.25-0.5%. Under the premise of not affecting the air permeability of the non-woven fabric, the feel of the non-woven fabric is further improved, and at the same time, the non-woven fabric is given a certain soothing effect, thereby ensuring the soothing effect of the diapers prepared subsequently. Especially when the spray liquid is glycerol, malic acid, and algae extract in a mass ratio of (1-2): (0.01-0.03): 0.01, on the one hand, it can make the non-woven fabric remain weakly acidic, and after contact with the skin, it will not destroy the weakly acidic sebum of the skin, and play a good protective role on the skin, and it can also reduce the ammonia (NH4 + ) substances are released in large quantities, thereby balancing the skin's pH environment, protecting the wound surface, and promoting tissue regeneration, thereby effectively soothing sensitivity. On the other hand, the algae extract can be stably present in the non-woven fabric layer of the diaper in a dry state, so that the effect of the algae extract can be fully exerted when in contact with urine, ensuring the soothing effect of the diaper. The inventor analyzed that the reason may be: under the coordinated action of glycerol, malic acid, and algae extract in the above-mentioned mass ratio, the algae extract of the non-woven fabric layer of the diaper can act on the skin to fully exert its effect after contacting urine. Due to the small molecular weight of the algae extract, it can quickly penetrate the dermis, promote skin formation, thicken the skin barrier, and relieve and reduce the phenomenon of diaper dermatitis, contact dermatitis, eczema, and atopic dermatitis due to incomplete development of the skin barrier; it can also effectively inhibit the activity of hyaluronidase, reduce the expression of IL-1α / IL-1β inflammatory factors, and show a significant inhibitory effect on mast cell degranulation, thereby effectively improving skin redness and allergies.

[0018] In addition, the diaper product structure provided by the present invention has the characteristics of a large version, widens the cutting size of the hip circumference, and adds hip elastic bands, which can wrap the baby's entire buttocks without exposing the buttocks, and the product does not get stuck in the buttocks, greatly improving the user experience.

[0019] Beneficial Effects

[0020] 1. The present invention provides a non-woven fabric. Diapers made of the non-woven fabric can effectively solve the skin sensitivity caused by existing diaper products or diaper dermatitis, contact dermatitis, eczema, atopic dermatitis and other symptoms caused by the fragile and sensitive skin barrier of newborns.

[0021] 2. The non-woven fabric provided by the present invention greatly improves the skin experience of the diapers prepared subsequently by optimizing the natural silk fibers contained in the non-woven fabric base fabric. The non-woven fabric in the diapers has a smooth surface and a soft touch. It has no irritation to the skin after contact with the skin and can protect the skin very well, especially for infants and young children with sensitive skin.

[0022] 3. The present invention sprays a spray liquid composed of a weak acid, a soothing component and a hydrophilic oil agent on the non-woven fabric base containing natural silk fibers, and controls the oil content of the non-woven fabric base after spraying with the spray liquid to be 0.25-0.5%. Under the premise of not affecting the air permeability of the non-woven fabric, the feel of the non-woven fabric is further improved, and at the same time, a certain soothing effect is given to the non-woven fabric, thereby ensuring the soothing effect of the diapers prepared subsequently.

[0023] 4. The present invention controls the spraying liquid to be glycerol, malic acid, and algae extract in a mass ratio of (1-2): (0.01-0.03): 0.01. On the one hand, the non-woven fabric can be kept weakly acidic. After contacting the skin, it will not damage the weakly acidic sebum of the skin, and has a good protective effect on the skin. It can also reduce the ammonia (NH4 + ) substances are released in large quantities, thereby balancing the pH environment of the skin, protecting the wound surface, and promoting tissue regeneration, thereby effectively soothing sensitivity. On the other hand, the algae extract can be stably present in the non-woven fabric layer of the diaper in a dry state, so that the effect of the algae extract can be fully exerted when it comes into contact with urine, ensuring the soothing effect of the diaper.

[0024] 5. The diaper product structure provided by the present invention has the characteristics of a large version, widens the cutting size of the hip circumference, and adds hip elastic bands, which can wrap the baby's entire buttocks without exposing the buttocks, and the product does not get stuck in the buttocks, greatly improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1They are respectively actual pictures of the diapers provided in Example 1 of the present invention.

[0026] Figure 2 It is a bar graph of skin moisture content test results.

[0027] Figure 3 It is a bar graph of tissue vitality detection results.

[0028] Figure 4 It is a bar graph of IL-1α content detection results.

[0029] Figure 5 This is a diagram of tissue morphology test results. In the figure, ad corresponds to the BC group, NC group, PC2 group and diaper group, respectively, and from left to right corresponds to duplicate hole 1, duplicate hole 2, and duplicate hole 3.

[0030] Figure 6 This is an expanded view of the diaper of Example 1.

[0031] Figure 7 This is a comparison chart of the fitting effect of the diaper of Example 1 and commercially available diapers.

[0032] Figure 8 This is a schematic diagram of the structure of the diaper of Example 1, in which: 1. non-woven fabric, 2. absorbent core, 3. waterproof bottom film, 4. elastic waist, 5. leak-proof edge, 6. front waist patch, 7. left and right patches.

[0033] Fig. 9 This is a process flow chart for preparing diapers in Example 1. DETAILED DESCRIPTION

[0034] Example 1

[0035] Embodiment 1 of the present invention provides a non-woven fabric, the raw materials for preparing the non-woven fabric include a non-woven fabric base fabric and a spraying liquid, wherein the spraying liquid includes, by weight, 1 part of a hydrophilic oil agent, 0.02 parts of a weak acid, and 0.01 parts of a soothing component.

[0036] The non-woven fabric base fabric is prepared by hot air combing.

[0037] The non-woven fabric base contains 0.5-1% natural silk fibers, and the remainder is PE / PET fibers.

[0038] The hydrophilic oil agent is glycerol.

[0039] The weak acid is malic acid.

[0040] The soothing ingredient is an algae extract containing glyceryl glucoside, specifically a cyanobacteria extract containing glyceryl glucoside, which comes from Qingdao Zhongke Lanzhi Biotechnology Development Co., Ltd.

[0041] The preparation method of the non-woven fabric is as follows: spraying the spraying liquid onto the non-woven fabric base fabric so that the oil content of the non-woven fabric base fabric is 4wt%, and drying the non-woven fabric.

[0042] See also Figure 8 On the other hand, embodiment 1 of the present invention provides a diaper for soothing red bottom, which is composed of a non-woven fabric 1, an absorbent core 2, a waterproof bottom film 3, an elastic waist 4, a leak-proof edge 5, a front waist patch 6, and left and right patches 7. Fig. 9 The preparation process of the red bottom soothing smart fitting diaper includes the following steps: core wrapping and short cutting, surface layer lamination, bottom layer lamination, edge lamination, elastic band lamination, gluing of materials in various parts, product arc cutting, product short cutting, and packaging into bags.

[0043] Performance Testing

[0044] 1. Skin irritation, relief and repair experiments

[0045] In this experiment, an irritant (SLS) was added to a weakened 3D skin model EpiKutis○R (simulating the characteristics of infant skin) to prepare a diaper rash-like 3D damaged skin inflammation model. The tissue vitality, tissue morphology and inflammatory factor secretion levels were used to analyze the changes in these indicators after the use of the test substance (diapers), so as to determine the significant effect of the test sample in soothing diaper rash. The test groups are shown in Table 1.

[0046] Table 1

[0047]

[0048] Note 1: PC1 (glycerol) is used as a positive control for skin moisture content detection; PC2 (WY14643) is used as a positive control for tissue viability and tissue morphology detection; PC3 (dexamethasone) is used as a positive control for IL-1α detection.

[0049] Note 2: The cut-out area of ​​children's diapers is 20cm×44cm ( Figure 1 The samples were then soaked in 20 mL of pure water for 30 min.

[0050] 1.1 Model drug administration

[0051] 1) According to the test group, transfer the model to a 6-well plate (add 0.9 mL EpiGrowth culture medium in advance) and mark the test group number on the 6-well plate.

[0052] 2) Add 25 μL of 0.1% SLS solution to the surface of the NC group, PC1, PC2, PC3 group and sample group and incubate for 30 min. 3) After the incubation, add the corresponding concentration of working solution to the surface of the PC1 group, add the corresponding concentration of working solution to the bottom of the PC2 and PC3 groups, and evenly apply the sample extract to the surface of the model in the sample group and incubate in a CO2 incubator (37°C, 5% CO2) for 24 h.

[0053] 4) After the incubation, wash the remaining test substance with sterile PBS solution and wipe off the residual liquid with a sterile cotton swab.

[0054] 1.2 Skin moisture content detection

[0055] 1) Cleaning: Prepare a 24-well plate according to the number of models and mark them accordingly. Add 0.3 mL of EpiGrowth culture medium to each well. Place the 24-well plate with the model in the clean bench, open the lid of the 24-well plate, and let it stand for 30 minutes before measuring.

[0056] 2) Measurement: Wipe the moisture off the bottom of the model, remove the model ring, place it on the probe position of the tester, press the probe to measure, measure each model three times and take the average value.

[0057] 1.3 Tissue Viability Detection

[0058] 1) According to the test group, the model used for tissue vitality detection is used to carry out tissue vitality detection.

[0059] 2) MTT incubation: After the incubation, prepare a 24-well plate according to the number of models and mark it accordingly. Add 0.3 mL of MTT working solution (1 mg / mL) to each well. Place the 24-well plate containing the models in a CO2 incubator (37°C, 5% CO2) and incubate for 3h±5min.

[0060] 3) Isopropanol extraction: After the MTT incubation, wash the outer surface of the model with PBS, wipe it dry with a sterile cotton swab, and transfer it to a new 24-well plate. Add 2 mL of isopropanol to the model, seal the 24-well plate with a sealing film, and shake it on a plate shaker for 2 hours.

[0061] 4) Microplate reader reading: Use a 200μL pipette tip to pierce the model and allow the isopropanol extract to flow out of the model into the 24-well plate. Mix by blowing. After mixing, take 2 portions of 200μL of isopropanol extract from each well and add them to the corresponding wells of the 96-well plate. Use isopropanol as the zero well. Read the absorbance (OD) value at a wavelength of 570nm on a microplate reader.

[0062] 5) Calculation: Calculate the relative tissue activity of each test group according to the following formula:

[0063]

[0064] 1.4ELISA test

[0065] After the incubation, the culture medium of the 3D epidermal skin model was collected in a centrifuge tube. After collection, the samples for ELISA detection were placed in a -80°C refrigerator for freezing and stored, and the detection and analysis were performed according to the operating instructions of the ELISA kit.

[0066] 1.5 Tissue morphology test

[0067] The model to be tested was fixed with 4% paraformaldehyde for 24 hours, and then stained with H&E. The model was photographed under a microscope, and the images were collected and analyzed.

[0068] 2 Statistical methods

[0069] GraphPad Prism was used for graphing, and the results were expressed as mean ± standard deviation. GraphPad Prism was used for graphing, and the results were expressed as mean ± standard deviation. The independent sample t test was used for comparison between groups. All statistical analyses were two-tailed. p<0.05 was considered to be significantly different, and p<0.01 was considered to be extremely significantly different.

[0070] 3. Test results

[0071] 3.1 Skin moisture content test results are shown in Table 2 and Figure 2 .

[0072] Table 2

[0073] Group Skin water content (au) SD p-value Improvement rate (vs NC) BC 26.72 0.55 / / NC 21.86 0.10 0.000## / PC1 53.61 0.11 0.000** / Diapers 36.19 0.06 0.000** 65.55％

[0074] Note: Compared with the BC group, ##p<0.01; compared with the NC group, **p<0.01.

[0075] Result analysis:

[0076] according to Figure 2 As shown in Table 2, compared with the BC group, the skin moisture content of the NC group decreased significantly, indicating that the stimulation conditions of this test were effective. Compared with the NC group, the skin moisture content of the PC1 group increased significantly, indicating that the positive control of this test was effective. Compared with the NC group, the skin moisture content of the sample diapers increased significantly, with an increase rate of 65.55%.

[0077] 3.2 Tissue Viability Test Results See Tables 3 and Figure 3 .

[0078] Table 3

[0079] Group Average tissue vitality (%) SD p-value Improvement rate (vs NC) BC 100.00 9.53 / / NC 59.21 1.34 0.002## / PC2 73.77 2.63 0.001** / Diapers 72.60 1.97 0.001** 22.61％

[0080] Note: Compared with the BC group, ##p<0.01; compared with the NC group, **p<0.01.

[0081] Result analysis:

[0082] according to Figure 3 As shown in Table 3, compared with the BC group, the tissue activity of the NC group decreased significantly, indicating that the stimulation conditions of this test were effective. Compared with the NC group, the tissue activity of the PC2 group increased significantly, indicating that the positive control of this test was effective. Compared with the NC group, the tissue activity of the sample diapers increased significantly, with an increase rate of 22.61%. 3.3 Inflammatory factor (IL-1α) detection results are shown in Tables 4 and Figure 4 .

[0083] Table 4

[0084]

[0085]

[0086] Note: Compared with the BC group, ##p<0.01; compared with the NC group, **p<0.01.

[0087] Result analysis:

[0088] according to Figure 4 As shown in Table 4, compared with the BC group, the IL-1α content of the NC group increased significantly, indicating that the stimulation conditions of this test were effective. Compared with the NC group, the IL-1α content of the PC3 group decreased significantly, indicating that the positive control of this test was effective. Compared with the NC group, the IL-1α content of the sample diapers decreased significantly, with an inhibition rate of 19.43%.

[0089] 3.4 Tissue morphology test results

[0090] Table 6 Histological morphology test results see Figure 5 .

[0091] Result analysis:

[0092] according to Figure 5 As shown in the figure, compared with the BC group, the epidermal model living cell layer of the NC group was damaged and vacuoles appeared, indicating that the stimulation conditions of this test were effective. Compared with the NC group, the living cell layer of the PC2 group was compactly arranged, vacuoles were reduced, and the damage to living cells was significantly improved, indicating that the positive control of this test was effective. Compared with the NC group, the living cell layer of the sample diaper was compactly arranged, vacuoles were reduced, and the damage to living cells was significantly improved.

[0093] 4 Experimental conclusion

[0094] Moisturizing effect: Based on barrier weakening 3D epidermal skin model Compared with the control group, the skin moisture content of the sample diapers increased significantly, with an increase rate of 65.55%, indicating that the sample can increase the skin moisture content and has a moisturizing effect.

[0095] Soothing effect: Based on barrier weakening 3D epidermal skin model Compared with the control group, the content of inflammatory factors (IL-1α) in the sample diapers decreased significantly, with an inhibition rate of 19.43%, indicating that the sample can inhibit the secretion of inflammatory factors (IL-1α) and has a soothing effect.

[0096] Repair effect: Based on barrier weakening 3D epidermal skin model Compared with the control group, the living cell layer of the sample diapers had compact arrangement of cells, fewer vacuoles, significantly improved damage to the living cell layer, and significantly increased tissue vitality, with an improvement rate of 22.61%. This indicates that the sample can improve tissue morphology, enhance tissue vitality, and has a repair effect.

[0097] 2. Detection of algae extract content in diapers: Put children's diapers such as Figure 1 Cut out the red frame area to an area of ​​20cm*44cm, soak and extract with 10mL of pure water, take 1mL of extract, filter through 0.22μm filter membrane, inject 25μL according to the method, and compare with the spectrum of algae extract standard to determine the position of algae extract in the sample and calculate its content.

[0098] Test results: The content of algae extract in the sample was determined by comparing with the standard spectrum and is shown in Table 5 below.

[0099] Table 5

[0100] Sample name <![CDATA[Algae extraction content mg / cm 2 > Children's Diapers <![CDATA[1.1x10 -4 ]]>

[0101] 3. Fit test Figure 6 , Figure 7 , Figure 6 This is an expanded view of the diaper of Example 1. Figure 7 The following is a comparison of the fitting effects of the diaper in Example 1 and the commercially available diapers. Analysis shows that the diaper product provided in Example 1 has a wider cut in the buttocks than the commercially available products, and has an additional buttocks elastic band (such as Figure 6 ), in actual use (such as Figure 7 ) can wrap and fit the baby's butt more completely.

Claims

1. A nonwoven fabric, characterized in that: The raw materials for its preparation include at least a non-woven fabric base and a spraying liquid. The spraying liquid includes at least 1-5 parts of a hydrophilic oil agent, 0.01-1 parts of a weak acid, and 0.002-5 parts of a soothing component by weight. The soothing component includes at least an algae extract, and the algae extract includes at least glycerol glucoside.

2. The nonwoven fabric according to claim 1, characterized in that The non-woven fabric base fabric is prepared by a method selected from the group consisting of a spunbond method, a meltblown method, a hot-rolled method, and a spunlace method.

3. The nonwoven fabric according to claim 1 or 2, characterized in that: The hydrophilic oil agent includes at least glycerol.

4. The nonwoven fabric according to claim 3, characterized in that The hydrophilic oil agent is glycerol or a combination of glycerol and at least one of polyvinyl alcohol, polyethylene glycol, ethanol and ethylene glycol.

5. The nonwoven fabric according to claim 4, characterized in that The weak acid is selected from at least one of citric acid, malic acid, salicylic acid, lactic acid and sorbic acid.

6. The nonwoven fabric according to claim 4, characterized in that The soothing ingredients also include at least one of tea polyphenols, vitamin E, ceramide, ectoine, hyaluronic acid, peach leaf extract, Centella asiatica extract, bisabolol, chamomile extract, aloe extract, mint extract, camellia oil, shea butter extract, olive oil, clove extract, white water lily extract, lily extract, cranberry extract, wormwood extract, calendula extract, and silk protein.

7. The nonwoven fabric according to claim 6, characterized in that The mass ratio of the glycerol, malic acid and algae extract is (1-3): (0.01-0.05): (0.005-0.03).

8. The nonwoven fabric according to claim 7, characterized in that The mass ratio of the glycerol, malic acid and algae extract is (1-2): (0.01-0.03): 0.

01.

9. The nonwoven fabric according to claim 8, characterized in that The preparation method of the non-woven fabric is as follows: spraying the spraying liquid onto the non-woven fabric base fabric so that the oil content of the non-woven fabric base fabric is 0.25-0.5%, and drying the non-woven fabric.

10. A red bottom soothing smart fitting diaper comprising the nonwoven fabric according to any one of claims 1 to 9, characterized in that: The preparation process of the red bottom soothing smart fitting diaper is composed of non-woven fabric, absorbent core, waterproof bottom film, elastic waist, leak-proof edge, front waist patch, left and right patches, and at least includes the following steps: Core wrapping and short cutting, surface layer lamination, bottom layer lamination, edge lamination, rubber band lamination, gluing of materials in various parts, product arc cutting, product short cutting, packaging and bagging.

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