Composite spunlaced fabric with single-guide velvet surface film and preparation method of composite spunlaced fabric
By using a three-layer composite structure and adhesive-treated single-layer spunlace fabric for the mask, the problem of reduced mechanical strength of the mask fabric after moisture absorption is solved, achieving high liquid absorption and good fit, thus improving user comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-31
- Publication Date
- 2026-04-10
AI Technical Summary
Existing mask fabrics lose fiber entanglement force and mechanical strength after absorbing moisture, making them prone to deformation or tearing, which affects the fit of the mask.
The product employs a three-layer composite structure, comprising elastic microfiber nonwoven fabric, regenerated cellulose fiber spunlace nonwoven fabric, and an adhesive layer. The two layers are bonded together through the adhesive layer to form a single-layer spunlace fabric composite mask. The elasticity of the microfiber nonwoven fabric and the hydrophilicity of the regenerated cellulose fiber spunlace nonwoven fabric promote the movement of the essence to the skin. Furthermore, a hydrophilic film layer is formed on the surface of the regenerated cellulose fiber spunlace nonwoven fabric through an adhesive, which improves the liquid absorption and mechanical strength.
The absorbency and mechanical strength of the mask fabric have been improved, enhancing the fit and comfort of the mask and ensuring it is not easily deformed or torn in humid environments.
Smart Images
Figure SMS_1
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of mask cloth, in particular to a single-guide-batting mask composite spunlace cloth and a preparation method thereof. BACKGROUND
[0002] As one of the mainstream skin care products today, the use experience and skin care effect of a mask depend to a great extent on the performance of a mask cloth. As a carrier of essence, one of the core functions of the mask cloth is to effectively absorb and store a sufficient amount of essence to ensure that the skin is continuously provided with nutrition and moisture during the application process.
[0003] The mainstream mask cloth on the current market generally improves the liquid absorption performance by using hydrophilic fibers. Although some hydrophilic fibers have high water absorption, the interaction force between most fibers mainly depends on physical entanglement. After the mask cloth absorbs moisture, the entanglement force decreases under the lubrication of water, and the mechanical strength decreases, so the mask cloth is prone to deformation or tearing, thereby affecting the fit of the mask application. SUMMARY
[0004] In order to improve the mechanical strength of the mask cloth, the application provides a single-guide-batting mask composite spunlace cloth and a preparation method thereof.
[0005] In a first aspect, the application provides a single-guide-batting mask composite spunlace cloth, which adopts the following technical solution: A single-guide-batting mask composite spunlace cloth, which comprises, from top to bottom, a first non-woven cloth layer, an adhesive layer and a second non-woven cloth layer. The first non-woven cloth layer is an elastic ultra-fine fiber non-woven cloth, and the second non-woven cloth layer is a regenerated cellulose fiber spunlace non-woven cloth. The fiber raw material of the elastic ultra-fine fiber non-woven cloth is a synthetic fiber.
[0006] By adopting the above technical solution, on the one hand, the first non-woven cloth layer formed by the elastic ultra-fine fiber non-woven cloth has good elasticity, air permeability and hydrophobicity, and the second non-woven cloth layer formed by the regenerated cellulose fiber spunlace non-woven cloth has good hydrophilicity and liquid absorption, and the difference in hydrophilicity between the two layers is conducive to driving the essence to move to the skin side and effectively promoting the skin to absorb the essence.
[0007] On the other hand, the first non-woven cloth layer and the second non-woven cloth layer are well combined together by the adhesive layer, which improves the softness, elasticity and mechanical strength of the composite spunlace cloth as a whole. Therefore, the single-guide-batting mask composite spunlace cloth with a three-layer composite structure has good adaptability to the skin and good fit during application.
[0008] Preferably, the average diameter of the synthetic fiber is 0.5-0.8 μm.
[0009] By adopting the above technical solution, the average diameter of the synthetic fiber is controlled within the range of 0.5 to 0.8 μm, which further enhances the elasticity and mechanical strength of the composite spunlace fabric, enabling the composite spunlace fabric to tightly cover the skin surface and further improve the fit of the mask.
[0010] Preferably, the elastic microfiber nonwoven fabric includes microfiber TPU nonwoven fabric or POE elastic nonwoven fabric.
[0011] Preferably, the second nonwoven layer is one of viscose spunlace nonwoven fabric, Tencel spunlace nonwoven fabric, and cotton spunlace nonwoven fabric.
[0012] Preferably, the second nonwoven layer is a fully adhesive hydroentangled nonwoven fabric.
[0013] By adopting the above technical solutions, the fully adhesive spunlace nonwoven fabric has high water absorption, good water-locking and moisturizing effects, is thin, soft and breathable, fits very well, and can improve the comfort of using face masks.
[0014] Preferably, the adhesive layer is PUR hot melt adhesive.
[0015] PUR hot melt adhesive is a moisture-curing reactive polyurethane hot melt adhesive. By adopting the above technical solution, the first and second non-woven fabric layers are composited using PUR hot melt adhesive, resulting in strong adhesion, resistance to organic solvents, and environmentally friendly solvent-free properties.
[0016] Preferably, the regenerated cellulose fiber spunlace nonwoven fabric is a modified regenerated cellulose fiber spunlace nonwoven fabric, and its preparation method includes: first, impregnating the regenerated cellulose fiber spunlace nonwoven fabric in an adhesive solution, then draining the adhesive, and drying to obtain the modified regenerated cellulose fiber spunlace nonwoven fabric. The adhesive solution comprises lactate, water-soluble chitosan, and water.
[0017] Preferably, the lactate comprises sodium lactate or potassium lactate.
[0018] By employing the above technical solution, regenerated cellulose fiber spunlace nonwoven fabric is immersed in the aforementioned adhesive solution, drained, and dried. The adhesive solution forms a hydrophilic film layer on the surface of the regenerated cellulose fiber spunlace nonwoven fabric. On one hand, sodium lactate or potassium lactate are natural moisturizing factors, and water-soluble chitosan has excellent hydrophilicity and moisturizing properties. Therefore, the formed hydrophilic film layer has excellent water absorption and moisturizing properties, increasing the amount of essence absorbed by the mask and its moisturizing performance. On the other hand, sodium lactate or potassium lactate dissolves in water to form a weak alkaline solution. The film layer has good stability in alkaline environments, allowing the single-layer velvet mask composite spunlace fabric to maintain good mechanical strength even in wet environments, making it less prone to deformation or tearing, and providing excellent fit and adherence.
[0019] Preferably, the adhesive solution is composed of 1-4 wt% lactate, 1-3 wt% water-soluble chitosan, and water.
[0020] By adopting the above technical solution, the resulting adhesive has good film-forming properties, which facilitates the formation of a continuous film layer on the surface of the regenerated cellulose fiber spunlace nonwoven fabric, and is beneficial to improving the liquid absorption and mechanical strength of the single-layer spunlace fabric composite.
[0021] Preferably, the water-soluble chitosan includes hydroxypropyl chitosan or carboxymethyl chitosan.
[0022] By adopting the above technical solution, the adhesive solution formed by the above-mentioned water-soluble chitosan has high film-forming properties, and the formed film layer has excellent mechanical strength.
[0023] Preferably, the weight range of the single-layer spunlace fabric composite is 49 to 61 grams per square meter.
[0024] By adopting the above technical solution, the single-layer spunlace fabric of this application has excellent liquid absorption and mechanical strength, and is lightweight, thin, soft and breathable, fits very well, and can improve the comfort of using the mask.
[0025] Secondly, this application provides a method for preparing a single-layer spunlace fabric composite fuzzy fabric, using the following technical solution: A method for preparing a single-layer spunlace fabric composite for a velvet-lined facial mask includes the following steps: S1 Sizing: Hot melt adhesive is applied to the regenerated cellulose fiber spunlace nonwoven fabric to obtain an adhesive layer and a second nonwoven fabric layer; S2 Composite: Elastic microfiber nonwoven fabric is covered on the adhesive layer, and the first nonwoven fabric layer, adhesive layer and second nonwoven fabric layer are formed from top to bottom. Then, they are pressed together to obtain a single-layer spunlace fabric composite spunlace fabric.
[0026] By adopting the above technical solution, the preparation method of the single-layer velvet mask composite spunlace fabric of this application is simple. After applying adhesive, the composite is then carried out. The hot melt adhesive reacts and cures with the moisture in the air at room temperature, so that the first nonwoven fabric layer, the adhesive layer and the second nonwoven fabric layer are tightly bonded together, and a structurally stable single-layer velvet mask composite spunlace fabric can be obtained.
[0027] In summary, this application has the following beneficial effects: 1. The three-layer composite structure formed by the single-layer velvet mask and the spunlace fabric of this application not only has high liquid absorption and mechanical strength, but also the difference in hydrophilicity between the inner and outer layers makes the mask have a one-way moisture-wicking effect, which is conducive to promoting the skin's absorption of essence. 2. In this application, the regenerated cellulose fiber spunlace nonwoven fabric is impregnated with adhesive solution, which can form a structurally stable hydrophilic film layer on the surface of the regenerated cellulose fiber spunlace nonwoven fabric, further improving the liquid absorption and mechanical strength of the single-pile composite spunlace fabric. 3. The method of this application involves applying adhesive and compounding the material to obtain a single-layer spunlace fabric composite for a velvet mask. The preparation method is simple and suitable for large-scale production. Detailed Implementation
[0028] The present application will be further described in detail below with reference to the embodiments. Example Example 1
[0029] A single-layer nonwoven fabric composite spunlace fabric for facial masks, comprising, from top to bottom, a first nonwoven fabric layer, an adhesive layer, and a second nonwoven fabric layer; The first nonwoven layer is an elastic microfiber nonwoven fabric, specifically a microfiber TPU nonwoven fabric, more specifically a TPU high-elastic meltblown nonwoven fabric, model WS-F016, wherein the average diameter of the TPU fibers is in the range of 0.5 to 0.8 μm; The adhesive layer is formed by curing PUR hot melt adhesive; The second nonwoven layer is a regenerated cellulose fiber spunlace nonwoven fabric, specifically a fully viscose spunlace nonwoven fabric, 100% viscose.
[0030] The preparation method of the above-mentioned single-layer spunlace fabric composite membrane includes the following steps: S1 Sizing: Hot melt adhesive is applied to the regenerated cellulose fiber spunlace nonwoven fabric to obtain an adhesive layer and a second nonwoven fabric layer; S2 Composite: Elastic microfiber nonwoven fabric is covered on the adhesive layer, and the first nonwoven fabric layer, adhesive layer and second nonwoven fabric layer are formed from top to bottom. Then, they are pressed and rolled up to obtain a single-layer spunlace fabric composite. Example 2
[0031] A single-layer spunlace fabric composite for facial masks, which differs from Example 1 in that the regenerated cellulose fiber spunlace nonwoven fabric is a modified regenerated cellulose fiber spunlace nonwoven fabric. Its preparation method includes: first, immersing the regenerated cellulose fiber spunlace nonwoven fabric in a glue solution at 35-40°C for 1 hour, then taking out the regenerated cellulose fiber spunlace nonwoven fabric for natural sizing, and then drying it at 65°C for 2 hours to obtain the modified regenerated cellulose fiber spunlace nonwoven fabric. The adhesive solution is composed of 3 wt% potassium lactate, 2 wt% carboxymethyl chitosan and water. Example 3
[0032] A single-layer velvet mask composite spunlace fabric, which differs from Example 2 in that the adhesive solution is composed of 1 wt% potassium lactate, 1 wt% carboxymethyl chitosan and water. Example 4
[0033] A single-layer velvet mask composite spunlace fabric, which differs from Example 2 in that the adhesive solution is composed of 4 wt% potassium lactate, 3 wt% carboxymethyl chitosan and water. Example 5
[0034] A single-layer velvet mask composite spunlace fabric differs from Example 2 in that the adhesive solution is composed of 4.5 wt% potassium lactate, 2 wt% carboxymethyl chitosan, and water. Example 6
[0035] A single-layer velvet mask composite spunlace fabric differs from Example 2 in that the adhesive solution is composed of 3 wt% potassium lactate, 3.5 wt% carboxymethyl chitosan and water. Example 7
[0036] A single-layer spunlace fabric composite for facial masks differs from Example 2 in that the adhesive solution is composed of 3 wt% sodium hyaluronate, 2 wt% carboxymethyl chitosan, and water. The sodium hyaluronate has a glucuronic acid content of 46.4%, a purity of 97.93%, and a molecular weight of 1.2 × 10⁻⁶. 5 The kinematic viscosity is 38.0 mm. 2 / s. Example 8
[0037] A single-layer velvet mask composite spunlace fabric differs from Example 2 in that the adhesive solution is composed of 3 wt% sodium bicarbonate, 2 wt% carboxymethyl chitosan and water. Example 9
[0038] A single-layer velvet mask composite spunlace fabric, which differs from Example 2 in that the adhesive solution is composed of 2 wt% carboxymethyl chitosan and water. Comparative Example
[0039] Comparative Example 1 A composite spunlace fabric for face masks, which differs from Example 1 in that the first nonwoven layer is a regenerated cellulose fiber spunlace nonwoven fabric. Performance testing
[0040] The liquid absorption and tensile strength of the composite spunlace fabrics prepared in the embodiments and comparative examples of this application were tested using the following methods: Liquid absorption volume: Refer to GB / T 24218.6; Fracture strength (N / 5cm): Refer to GB / T 24218.3.
[0041] The test results of liquid absorption and tensile strength of the composite spunlace fabrics prepared in the embodiments and comparative examples of this application are shown in the table below.
[0042]
[0043] Data analysis of the table above shows that, compared to Example 1, Example 2 exhibits significantly improved liquid absorption and wet tensile strength. This indicates that, in the total raw materials for preparing the single-layer spunlace fabric composite of the present application, the regenerated cellulose fiber spunlace nonwoven fabric is impregnated with adhesive solution, which can improve the liquid absorption and wet tensile strength of the single-layer spunlace fabric composite of the single-layer spunlace fabric, making it less prone to tearing during use.
[0044] Examples 2-4 exhibited liquid absorption rates as high as 668-682%, wet tensile strength (CD) as high as 12.2-13.7 N / 5cm, and wet tensile strength (MD) as high as 31.0-34.7 N / 5cm. Examples 5-6 exhibited liquid absorption rates of 640-650%, wet tensile strength (CD) as high as 10.7-11.0 N / 5cm, and wet tensile strength (MD) as high as 27.8-28.5 N / 5cm.
[0045] Compared to Examples 2-4, the liquid absorption and wet tensile strength of Examples 5-6 were slightly reduced. This indicates that in the total raw materials for preparing the single-layer spunlace fabric composite of the present application, the adhesive solution, composed of 1-4 wt% lactate, 1-3 wt% water-soluble chitosan, and water, can improve the liquid absorption and wet tensile strength of the single-layer spunlace fabric composite. The reason for this may be that the film layer formed by the adhesive solution on the surface of the spunlace fabric has high stability, resulting in good liquid absorption and mechanical strength.
[0046] Compared to Examples 7, 8, and 9, Example 2 showed significantly improved liquid absorption and wet tensile strength. This indicates that in the total raw materials for preparing the single-layer spunlace fabric composite of the present application, the adhesive solution, composed of lactate, water-soluble chitosan, and water, can improve the liquid absorption and wet tensile strength of the single-layer spunlace fabric composite.
[0047] Compared to Example 1, Comparative Example 1 showed a significant increase in liquid absorption, but a significant decrease in wet tensile strength. This indicates that the single-layer spunlace mask composite fabric, composed of elastic microfiber nonwoven fabric, an adhesive layer, and regenerated cellulose fiber spunlace nonwoven fabric from top to bottom, exhibits higher tensile strength after absorbing essence. The reason for this may be that the use of elastic microfiber nonwoven fabric in the surface layer provides elasticity, which enhances the overall strength of the single-layer spunlace mask composite fabric. Furthermore, the soft and elastic nature of the single-layer spunlace mask composite fabric provides excellent water retention and conformability during use, resulting in greater overall comfort.
[0048] Meanwhile, because the elastic microfiber nonwoven fabric has a small fiber diameter and is hydrophobic, it forms a structure with one side hydrophilic and the other hydrophobic with the regenerated cellulose fiber spunlace nonwoven fabric impregnated with essence, which can effectively prevent the essence from being lost through the surface and reduce waste.
[0049] The single-layer velvet composite spunlace fabrics prepared in Examples 1-9 of this application were tested for dry tensile strength, basis weight, pH value, migratory fluorescence, and total bacterial count. The testing methods are as follows: Dry-state tensile strength (N / 5cm): Refer to GB / T 24218.3; weight (g / m 2 (Refer to GB / T 24218.1); pH value: Refer to GB / T 7573; Migratory fluorescence: Refer to GB / T 27741; Total bacterial count: Refer to GB 15979.
[0050] The test results showed that the single-layer spunlace fabric composites for facial masks prepared in Examples 1-9, under dry conditions, had a tensile strength CD ≥ 10 (N / 5cm), a tensile strength MD ≥ 25 (N / 5cm), and a basis weight of 55±6 (g / m²). 2 The pH value is between 5.5 and 8.5, no migratory fluorescence was detected, the total bacterial count is ≤200, and it has good tensile strength, meeting the requirements for use of facial mask fabric.
[0051] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.
Claims
1. A single-layer spunlace fabric composite for facial masks, characterized in that, From top to bottom, it includes a first nonwoven fabric layer, an adhesive layer, and a second nonwoven fabric layer; The first nonwoven layer is an elastic microfiber nonwoven fabric, and the second nonwoven layer is a regenerated cellulose fiber spunlace nonwoven fabric. The fiber raw material of the elastic microfiber nonwoven fabric is synthetic fiber.
2. The single-layer spunlace fabric composite membrane according to claim 1, characterized in that, The average diameter of the synthetic fiber is 0.5 to 0.8 μm.
3. The single-layer spunlace fabric composite membrane according to claim 1, characterized in that, The elastic microfiber nonwoven fabric includes microfiber TPU nonwoven fabric or POE elastic nonwoven fabric.
4. The single-layer spunlace fabric composite membrane according to claim 1, characterized in that, The second nonwoven layer is one of the following: fully adhesive spunlace nonwoven fabric, Tencel spunlace nonwoven fabric, and all-cotton spunlace nonwoven fabric.
5. The single-layer spunlace fabric composite membrane according to claim 1, characterized in that, The regenerated cellulose fiber spunlace nonwoven fabric is a modified regenerated cellulose fiber spunlace nonwoven fabric, and its preparation method includes: first, impregnating the regenerated cellulose fiber spunlace nonwoven fabric in a glue solution, then draining the glue, and drying to obtain the modified regenerated cellulose fiber spunlace nonwoven fabric. The adhesive solution comprises lactate, water-soluble chitosan, and water.
6. The single-layer spunlace fabric composite membrane according to claim 5, characterized in that, The adhesive solution is composed of 1-4 wt% lactate, 1-3 wt% water-soluble chitosan, and water.
7. The single-layer spunlace fabric composite membrane according to claim 5, characterized in that, The lactate includes sodium lactate or potassium lactate.
8. The single-layer spunlace fabric composite membrane according to claim 5, characterized in that, The water-soluble chitosan includes hydroxypropyl chitosan or carboxymethyl chitosan.
9. The single-layer spunlace fabric composite membrane according to claim 1, characterized in that, The weight range of the single-layer velvet composite spunlace fabric is 49 to 61 grams per square meter.
10. A method for preparing the single-layer spunlace fabric composite membrane according to any one of claims 1 to 9, characterized in that, Includes the following steps: S1 Sizing: Hot melt adhesive is applied to the regenerated cellulose fiber spunlace nonwoven fabric to obtain an adhesive layer and a second nonwoven fabric layer; S2 Composite: Elastic microfiber nonwoven fabric is covered on the adhesive layer, and the first nonwoven fabric layer, adhesive layer and second nonwoven fabric layer are formed from top to bottom. Then, they are pressed together to obtain a single-layer spunlace fabric composite spunlace fabric.