Quick-absorption dry and comfortable non-woven fabric

Abstract

The utility model provides a quick-absorption dry and comfortable non-woven fabric, which adopts a hot air double-carding technology, adopts a structure with a dense upper part and a sparse lower part, uses fine denier 2.0 D PE / PET (Polyethylene / Polyethylene Terephthalate) fibers on the upper layer, uses 3-4D coarse denier blue fibers on the lower layer, has a lower fine denier fiber lapping thickness and forms a thin skin-friendly layer, and has a higher coarse denier fiber lapping thickness and forms a fluffy low-density layer. A water locking structure for preventing reverse osmosis of liquid is arranged in the water storage tank; the upper layer is dry and skin-friendly, the lower layer is fluffy and easy to diffuse, the friction feeling of the surface layer to the skin is effectively reduced, meanwhile, the infiltration speed is increased, the back infiltration amount is reduced, the material can replace the structure of the surface layer and the flow guide layer in a paper diaper and a sanitary towel, the production cost is reduced, the production efficiency is improved, and the gram weight range of the non-woven fabric is 18-40 gsm.

Description

Technical Field

[0001] This utility model relates to the field of nonwoven fabric technology, specifically to a quick-drying nonwoven fabric. Background Technology

[0002] Non-woven fabric, also known as non-woven cloth, is a type of fabric that does not require spinning or weaving. Instead, it is made by orienting or randomly arranging short textile fibers or filaments to form a web structure, which is then reinforced by mechanical, thermal bonding, or chemical methods.

[0003] Existing patent application (CN215535669U) discloses an absorbent nonwoven fabric and a dry, antibacterial bamboo fiber sanitary napkin, comprising a skin-friendly surface layer, a diversion layer, an absorbent layer, and a bottom layer sequentially laminated together. The skin-friendly surface layer is a blended spunlace nonwoven fabric composed of at least unbleached bamboo fiber, chitosan fiber, and polylactic acid fiber. This dry, antibacterial bamboo fiber sanitary napkin exhibits excellent antibacterial properties, dryness, and skin-friendliness.

[0004] With changing modern lifestyles, more and more people are paying attention to the comfort of disposable hygiene products. They not only require natural and non-irritating fabrics with a soft feel, but also that the products can keep the surface dry and absorb liquids quickly to reduce bacterial growth. Summary of the Invention

[0005] To address the absorbency issues of diapers and sanitary napkins, this invention provides a quick-drying non-woven fabric with a dry and skin-friendly upper layer and a fluffy, easily diffused lower layer, effectively reducing friction on the skin while increasing absorption speed and reducing rewetting.

[0006] This utility model provides a quick-drying nonwoven fabric, including a surface layer, a flow-guiding layer disposed below the surface layer, and a water-locking structure disposed inside the flow-guiding layer to prevent liquid backflow. The surface layer is composed of a first hydrophilic oil-based fiber, the flow-guiding layer is a fluffy nonwoven fabric composed of a second hydrophilic oil-based fiber, and the water-locking structure is a spherical structure uniformly distributed inside the flow-guiding layer. The total volume of the water-locking structure accounts for 5 to 10% of the volume of the flow-guiding layer, and the thickness of the surface layer is 1 / 3 to 1 / 4 of the thickness of the flow-guiding layer.

[0007] In a preferred embodiment of the quick-drying nonwoven fabric described in this utility model, the first hydrophilic oil agent fiber has a core-sheath structure, including a sheath layer, a core layer disposed inside the sheath layer, and a hydrophilic oil agent coated on the surface of the sheath layer.

[0008] In a preferred embodiment of the quick-drying nonwoven fabric described in this invention, the fineness of the first hydrophilic oil agent fiber is 2.0D.

[0009] In a preferred embodiment of the quick-drying nonwoven fabric described in this utility model, the second hydrophilic oil agent fiber has a core-sheath structure, including a sheath layer, a core layer disposed inside the sheath layer, and a hydrophilic oil agent coated on the surface of the sheath layer.

[0010] In a preferred embodiment of the quick-drying nonwoven fabric described in this invention, the second hydrophilic oil agent fiber is a 3-4D blue fiber.

[0011] The quick-drying nonwoven fabric described in this utility model, as a preferred embodiment, has a basis weight range of 18–40 g / m². 2 .

[0012] The quick-drying nonwoven fabric described in this utility model, as a preferred embodiment, is made using hot air double combing technology.

[0013] Compared to existing absorbent nonwoven fabrics, this invention features a dry and skin-friendly upper layer and a fluffy and easily diffused lower layer, effectively reducing the friction of the surface layer on the skin while increasing the absorption rate and reducing the amount of rewetting. It can replace the structure of the surface layer + diversion layer in diapers and sanitary napkins, reducing production costs and improving production efficiency. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of a quick-drying nonwoven fabric according to the present invention;

[0015] Figure 2 This is a schematic diagram of the fibers of a quick-drying nonwoven fabric according to this utility model.

[0016] Figure Labels

[0017] 1. Surface layer; 2. Diversion layer; 3. Water-locking structure; 4. Skin layer; 5. Core layer. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Example 1

[0020] like Figures 1-2As shown, a quick-drying nonwoven fabric includes a surface layer 1, a flow-guiding layer 2 disposed below the surface layer 1, and a water-locking structure 3 disposed inside the flow-guiding layer 2 to prevent liquid backflow. The surface layer 1 is composed of a first hydrophilic oil-based fiber, the flow-guiding layer 2 is a fluffy nonwoven fabric composed of a second hydrophilic oil-based fiber, and the water-locking structure 3 is a spherical structure uniformly distributed inside the flow-guiding layer 2. The total volume of the water-locking structure 3 accounts for 5% of the volume of the flow-guiding layer 2, and the thickness of the surface layer 1 is 1 / 3 of the thickness of the flow-guiding layer 2. The first hydrophilic oil-based fiber has a core-sheath structure, including a sheath layer 4, a core layer 5 disposed inside the sheath layer 4, and a hydrophilic oil-based agent coated on the surface of the sheath layer 4. The fineness of the first hydrophilic oil-based fiber is 2.0D. The second hydrophilic oil-based fiber has a core-sheath structure, including a sheath layer 4, a core layer 5 disposed inside the sheath layer 4, and a hydrophilic oil-based agent coated on the surface of the sheath layer 4. The second hydrophilic oil-based fiber is a 3D blue fiber. The basis weight of the quick-drying nonwoven fabric is 18 g / m². 2 It is made using hot air dual combing technology.

[0021] When this product was tested with other products, the average penetration time of the quick-drying nonwoven fabric was 0.93s, while the average penetration time of the control sample 1 was 1.28s; the average moisture return of the quick-drying nonwoven fabric was 0.063g, while the average moisture return of the control sample 1 was 0.067g.

[0022] Example 2

[0023] like Figures 1-2 As shown, a quick-drying nonwoven fabric includes a surface layer 1, a flow-guiding layer 2 disposed below the surface layer 1, and a water-locking structure 3 disposed inside the flow-guiding layer 2 to prevent liquid backflow. The surface layer 1 is composed of a first hydrophilic oil-based fiber, the flow-guiding layer 2 is a fluffy nonwoven fabric composed of a second hydrophilic oil-based fiber, and the water-locking structure 3 is a spherical structure uniformly distributed inside the flow-guiding layer 2. The total volume of the water-locking structure 3 accounts for 10% of the volume of the flow-guiding layer 2, and the thickness of the surface layer 1 is 1 / 4 of the thickness of the flow-guiding layer 2. The first hydrophilic oil-based fiber has a core-sheath structure, including a sheath layer 4, a core layer 5 disposed inside the sheath layer 4, and a hydrophilic oil-based agent coated on the surface of the sheath layer 4. The fineness of the first hydrophilic oil-based fiber is 2.0D. The second hydrophilic oil-based fiber has a core-sheath structure, including a sheath layer 4, a core layer 5 disposed inside the sheath layer 4, and a hydrophilic oil-based agent coated on the surface of the sheath layer 4. The second hydrophilic oil-based fiber is a 4D blue fiber. The basis weight of the quick-drying nonwoven fabric is 40 g / m². 2 It is made using hot air dual combing technology.

[0024] When this product was tested with other products, the average penetration time of the quick-drying nonwoven fabric was 1.12s, while that of the control sample 1 was 1.35s; the average moisture return of the quick-drying nonwoven fabric was 0.072g, while that of the control sample 1 was 0.079g.

[0025] The above description is illustrative only and not restrictive. Those skilled in the art will understand that any modifications, variations or equivalents that can be made without departing from the spirit and scope defined by the claims will fall within the protection scope of this utility model.

Claims

1. A quick-drying, dry-feeling nonwoven fabric, characterized by: The invention relates to a kind of dry and comfortable non-woven fabric, comprising surface layer (1), the water-locking structure (3) for preventing liquid reverse osmosis is arranged in the water-flowing layer (2) inside for being arranged below the surface layer (1) water-flowing layer (2), the surface layer (1) is the first hydrophilic oil agent fiber group, the water-flowing layer (2) is the second hydrophilic oil agent fiber group loose non-woven fabric, the water-locking structure (3) is the spherical structure that is evenly distributed in the water-flowing layer (2) inside, is made of the second hydrophilic oil agent fiber, the total volume of the water-locking structure (3) accounts for 5~10% of the volume of the water-flowing layer (2), the thickness of the surface layer (1) is the thickness of the water-flowing layer (2) 1 / 3~1 / 4.

2. The instant dry nonwoven fabric according to claim 1, wherein: The first hydrophilic oil agent fiber is skin-core structure, comprising skin layer (4), core layer (5) arranged in the skin layer (4) and hydrophilic oil agent coated on the surface of the skin layer (4).

3. The instant dry nonwoven fabric according to claim 1, wherein: The fineness of the first hydrophilic oil agent fiber is 2.0D.

4. The instant dry nonwoven fabric according to claim 1, wherein: The second hydrophilic oil agent fiber is skin-core structure, comprising skin layer (4), core layer (5) arranged in the skin layer (4) and hydrophilic oil agent coated on the surface of the skin layer (4).

5. The instant dry nonwoven fabric according to claim 4, wherein: The second hydrophilic oil agent fiber is 3~4D blue fiber.

6. The instant dry and soft nonwoven fabric according to any one of claims 1 to 5, characterized in that: The dry nonwoven fabric has a weight per unit area of 18 to 40 g / m 2 .

7. The instant dry and soft nonwoven fabric according to any one of claims 1 to 5, characterized in that: The quick-absorbing dry and comfortable non-woven fabric is made by hot air double carding technology.

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