Dry and comfortable low-back-permeation composite non-woven fabric

Abstract

The utility model discloses a dry and comfortable low-back-seepage composite non-woven fabric, which relates to the technical field of non-woven fabrics and comprises a non-woven fabric surface layer, a charcoal paper pulp layer, a fluff pulp layer, an SAP (super absorbent polymer) high-molecular layer, a tissue and a backing. After water enters the non-woven fabric surface layer and permeates into the non-woven fabric surface layer, the charcoal paper pulp layer and the fluff pulp layer directly absorb water and settle to the SAP polymer layer, so that the operation effect of absorbing cores one by one to lock and draw water is achieved, and the paper towel and the back lining are applied to the skin in a dry and comfortable mode; the operation effect of blocking low back seepage of water infiltrated from the diaphragm and the fluff slots is achieved through the arc-shaped diaphragm surface and the corrugated layer surface, so that the absorption core body draws and locks water under the centripetal guide of the corrugated sector and the round edge of the ball core; and the water flow which cannot be locked can pass through the absorption core pipe between the convex arc-shaped layer surface and the concave arc-shaped layer surface to achieve the pipe ring spherical surface water locking effect of the absorption core, so that the absorption ball cores in the round edge array matrix of the ball cores one by one can fully absorb water one by one to achieve the dry and comfortable effect on the paper towel and the backing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of non - woven fabrics, concretely to a dry low back -permeation composite non - woven fabric. BACKGROUND

[0002] The surface layer material of the disposable sanitary product on the market at present is mainly hot air non - woven fabric with single - parent fiber, and the first absorption is fast, but the second and third absorption will be slow, especially the third absorption will even produce the condition that the surface cannot infiltrate, so that the dry degree of the non - woven fabric cannot be guaranteed, another surface layer material of the disposable sanitary product on the market is mainly hot air non - woven fabric with multiple hydrophilic fiber, and the three absorption times are still acceptable, but the back -permeation or return moisture content will be very large.

[0003] The non - woven fabric with single - parent fiber and multiple hydrophilic fiber of the prior art cannot reach the sustained degree of low back -permeation, and the back -permeation cooperation of the water absorption macromolecule SAP and the hydrophobic degree of the cloth surface is insufficient, and the paper pulp, paper towel and the like intercalated will increase the difficulty of the water absorption barrier layer penetration instead of assisting the water absorption back -permeation operation. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a dry low back -permeation composite non - woven fabric to solve the problems that the non - woven fabric with single - parent fiber and multiple hydrophilic fiber of the prior art cannot reach the sustained degree of low back -permeation, and the back -permeation cooperation of the water absorption macromolecule SAP and the hydrophobic degree of the cloth surface is insufficient, and the paper pulp, paper towel and the like intercalated will increase the difficulty of the water absorption barrier layer penetration instead of assisting the water absorption back -permeation operation.

[0005] To achieve the above object, the utility model is realized through the following technical scheme: a dry low back -permeation composite non - woven fabric, including non - woven fabric surface layer, wood carbon pulp layer, fluff pulp layer, SAP macromolecule layer, paper towel, backing, the bottom of non - woven fabric surface layer is closely attached with wood carbon pulp layer, the bottom of wood carbon pulp layer is equipped with fluff pulp layer, fluff pulp layer and SAP macromolecule layer are pasted together, the top of SAP macromolecule layer is closely attached with paper towel, the bottom of paper towel is closely attached with backing, wood carbon pulp layer can be downwardly permeated low back -permeation high water absorption operation through fluff pulp layer and SAP macromolecule layer.

[0006] The combination of fluff pulp layer and SAP macromolecule layer produces low back -permeation operation to the water flow absorbed and settled by wood carbon pulp layer, makes fluff pulp layer resist back -permeation and produce high permeation downward to SAP macromolecule layer, then the absorption core of SAP macromolecule layer speed -absorbing multiple spheres and the ball core round edge form the speed -absorption effect of matrix arrangement, makes paper towel and backing can keep dry, and the trace water flow flowing into paper towel can also have an additional absorption layer to keep dry and stable.

[0007] Preferably, the fluff pulp layer is provided with an arc film surface, a corrugated layer surface, a film sheet, and a fluff seam groove, the arc film surface is arranged on the left side of the film sheet and the fluff seam groove, the film sheet and the fluff seam groove are more than two and are fixed together alternately in front and back respectively, the arc film surface and the film sheet are tightly attached to the top surface of the corrugated layer surface, the fluff seam groove and the corrugated layer surface are integrated, and the SAP high molecular layer of the corrugated layer surface is attached together.

[0008] Through the arc film surface and the film sheet on the corrugated layer surface, the backflow of water can be blocked to allow the water flow to continue to penetrate downward through the fluff seam groove without backflow, thereby achieving the low backflow operation effect of the non-woven fabric.

[0009] Preferably, the SAP high molecular layer is provided with an absorption core, a corrugated fan surface, and a spherical core round edge, the absorption core and the spherical core round edge are integrated, the corrugated fan surface is more than two and is inserted together around the axis of the absorption core, and the spherical core round edge is attached together with the fluff pulp layer.

[0010] Through the absorption core and the corrugated fan surface in the spherical core round edge, an integrated effect of a propeller type internal drainage and an overflow external penetration is formed, the absorption core first absorbs water, and then arranges and combines into a matrix to allow each absorption core ball to transitionally absorb water, thereby achieving the quick-drying effect and dry body feeling of the non-woven fabric.

[0011] Preferably, the corrugated fan surface is provided with a convex arc layer surface, an absorption core tube, and a concave arc layer surface, the convex arc layer surface and the concave arc layer surface are integrated, and the absorption core tube is fixed between the convex arc layer surface and the concave arc layer surface.

[0012] Through the convex arc layer surface and the concave arc layer surface, water flow can be guided to the center to surround the absorption and diffusion outside to transitionally absorb the water by the absorption core tube, thereby achieving the effect of adapting and combining the absorption core tube into an absorption ring layer when arranged in a ring shape.

[0013] Preferably, the arc film surface and the film sheet on the corrugated layer surface can block backflow to allow the water flow to continue to penetrate downward through the fluff seam groove without backflow.

[0014] Through the arc film surface and the film sheet, the left and right backflow prevention operation of the upper layer of the corrugated layer surface is achieved, the film surface blocks water penetration to allow the fluff seam groove to continuously penetrate downward to the SAP high molecular layer to stably absorb water, thereby achieving the low backflow operation effect of the non-woven fabric.

[0015] Preferably, the absorption core tube is more than two and forms a ring layer around the axis of the absorption core, can centripetally absorb water in the spherical core round edge, and can also absorb water through the absorption core tube ring layer by overflow liquid.

[0016] Through the absorption core, the spherical core can absorb water, and through the absorption core tube, the spherical core can diffuse multiple ring layers to absorb water, thereby achieving the effect of composite rapid water absorption and improving the dry body feeling of the non-woven fabric of the paper towel and the backing.

[0017] The utility model provides a kind of dry low back infiltration composite nonwoven fabric, with following beneficial effects:

[0018] The dry low back infiltration composite nonwoven fabric, when personnel uses nonwoven fabric, the wood carbon paper pulp layer and the fluff pulp layer directly absorb water and settle to the SAP high molecular layer after water penetration through the nonwoven fabric surface layer, achieve the operation effect of absorbing core lock water, and then lock water during water pumping, the water that seeps through membrane and fluff slot is blocked by arc membrane surface and corrugated layer surface, so that the absorbing core can be fully absorbed water, and the dry effect of paper towel and backing is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional explosion structure schematic diagram of the utility model dry low back infiltration composite nonwoven fabric.

[0020] Figure 2 It is a three-dimensional structure schematic diagram of the utility model fluff pulp layer.

[0021] Figure 3 It is a local detailed three-dimensional structure schematic diagram of the utility model fluff pulp layer.

[0022] Figure 4 It is a sectional structure schematic diagram of the utility model SAP high molecular layer.

[0023] Figure 5 It is a three-dimensional perspective structure schematic diagram of the utility model corrugated fan.

[0024] In the drawing: nonwoven fabric surface layer 1, wood carbon paper pulp layer 2, fluff pulp layer 3, SAP high molecular layer 4, paper towel 5, backing 6, arc membrane surface 31, corrugated layer surface 32, membrane 33, fluff slot 34, absorbing core 41, corrugated fan 42, spherical core round edge 43, convex arc layer surface 421, absorbing core pipe 422, concave arc layer surface 423. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-5The utility model provides a dry low back infiltration composite non -woven fabric, including non -woven fabric surface layer 1, wood carbon paper pulp layer 2, fluff pulp layer 3, SAP high molecular layer 4, paper towel 5, backing 6, the non -woven fabric surface layer 1 bottom close has wood carbon paper pulp layer 2, wood carbon paper pulp layer 2 bottom is equipped with fluff pulp layer 3, fluff pulp layer 3 is bonded together with SAP high molecular layer 4, SAP high molecular layer 4 is bonded on the top of paper towel 5, paper towel 5 bottom close has backing 6, wood carbon paper pulp layer 2 can be downwardly infiltrated low back infiltration high water absorption operation through fluff pulp layer 3 and SAP high molecular layer 4.

[0027] Because the existing single fiber and multiple hydrophilic fiber non -woven fabric, all reach the low back infiltration sustained degree, and the back infiltration of water absorption macromolecule SAP and cloth surface hydrophobic degree is insufficient, the paper pulp, paper towel etc. of intercalation will aggravate the difficulty of water absorption barrier layer infiltration but not the defect of auxiliary water absorption back infiltration operation.

[0028] It should be noted that the combination of fluff pulp layer 3 and SAP high molecular layer 4 produces low back infiltration operation on wood carbon paper pulp layer 2 to absorb the sinking water flow, fluff pulp layer 3 blocks back infiltration and produces high permeability downward to SAP high molecular layer 4, then SAP high molecular layer 4 absorbs the core body 41 of speed absorption many spheres and the ball core round edge 43 form the speed absorption effect of matrix arrangement, so that paper towel 5 and backing 6 can be kept dry, and the trace water flow flowing into paper towel 5 can also have an additional absorption layer to keep dry and stable.

[0029] The fluff pulp layer 3 is provided with an arc film surface 31, a corrugated layer surface 32, a film sheet 33 and a fluff slot 34, the arc film surface 31 is arranged on the left side of the film sheet 33 and the fluff slot 34, the film sheet 33 and the fluff slot 34 are fixed together alternately in front and back, the arc film surface 31 and the film sheet 33 are tightly attached to the top surface of the corrugated layer surface 32, the fluff slot 34 and the corrugated layer surface 32 are of an integral structure, and the corrugated layer surface 32 is bonded together with the SAP high molecular layer 4.

[0030] It should be noted that the arc film surface 31 and the film sheet 33 can block back infiltration on the corrugated layer surface 32 to allow water flow to continuously penetrate downward without backflow, thereby achieving the low back infiltration operation effect of the non-woven fabric.

[0031] The SAP high molecular layer 4 is provided with an absorption core body 41, a corrugated fan surface 42 and a ball core round edge 43, the absorption core body 41 and the ball core round edge 43 are of an integral structure, the corrugated fan surface 42 is provided with two or more and is inserted around the axis of the absorption core body 41, and the ball core round edge 43 is bonded together with the fluff pulp layer 3.

[0032] It needs to be explained that the spiral propeller type internal drainage and overflow external expansion penetration integration effect is formed by the absorption core 41 and the corrugated fan surface 42 in the ball core circular edge 43, so that the absorption core 41 can quickly absorb water, and then arrange and combine into a matrix to make each absorption core 41 ball transition absorb water, so as to achieve the quick drying effect and dry and comfortable feeling of non-woven fabric.

[0033] The corrugated fan surface 42 is provided with a convex arc surface 421, an absorption core pipe 422 and a concave arc surface 423. The convex arc surface 421 and the concave arc surface 423 are integrated structures, and the absorption core pipe 422 is fixed between the convex arc surface 421 and the concave arc surface 423.

[0034] It needs to be explained that the convex arc surface 421 and the concave arc surface 423 can guide the water flow to the center to absorb and diffuse outward to the side of the absorption core 41 to absorb water, so as to achieve the effect that the absorption core pipe 422 is adaptively combined into an absorption ring layer when arranged in a ring shape.

[0035] The arc film surface 31 and the film sheet 33 can block back infiltration on the corrugated surface 32, so that the water flow continuously penetrates downward through the fluff slot 34 without backflow.

[0036] It needs to be explained that the left and right back infiltration operation on the upper surface of the corrugated surface 32 is obtained by the arc film surface 31 and the film sheet 33. The film surface blocks water penetration, so that the fluff slot 34 continuously penetrates downward to the SAP high molecular layer 4 to stably absorb water, thereby achieving the low back infiltration operation effect of non-woven fabric.

[0037] The absorption core pipe 422 is provided with two or more than two ring layers around the axis of the absorption core 41, which can centripetally absorb water in the ball core circular edge 43, and the overflow liquid can be absorbed by the absorption core pipe 422 ring layer.

[0038] It needs to be explained that the absorption core 41 can absorb water in the ball core, and the absorption core pipe 422 can diffuse the ball core to absorb water in multiple ring layers, so as to achieve the effect of composite rapid water absorption, and improve the dry and comfortable feeling of the non-woven fabric of the paper towel 5 and the backing 6.

[0039] When a person uses non-woven fabric, the wood pulp layer 2 and the fluff pulp layer 3 directly absorb water and sink to the SAP high molecular layer 4 to achieve the operation effect of absorbing and locking water one by one after the water penetrates through the non-woven fabric surface layer 1, and the dry and comfortable effect is achieved by the paper towel 5 and the backing 6. Then, during the water locking and pumping period, the arc film surface 31 and the corrugated surface 32 block and lowly infiltrate the water infiltrated downward through the film sheet 33 and the fluff slot 34, so that the absorption core 41 is guided by the corrugated fan surface 42 and the ball core circular edge 43 to pump and lock water, and the water that cannot be locked can be absorbed by the absorption core pipe 422 between the convex arc surface 421 and the concave arc surface 423 to achieve the pipe ring spherical surface locking effect of the absorption core, so that each ball core circular edge 43 arranged in a matrix can fully absorb water one by one to achieve the dry effect of the paper towel 5 and the backing 6.

[0040] The above description is only specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A dry, low-rewet composite nonwoven fabric, characterized by: The application relates to a wood carbon pulp layer (2) and a fluff pulp layer (3) are tightly attached to the bottom of a non-woven fabric surface layer (1), the fluff pulp layer (3) is tightly attached to the bottom of the wood carbon pulp layer (2), the fluff pulp layer (3) and a SAP polymer layer (4) are tightly attached together, the SAP polymer layer (4) is tightly attached to the top of a paper towel (5), the bottom of the paper towel (5) is tightly attached to a backing (6), the wood carbon pulp layer (2) can be downwardly permeated to a low return permeation high water absorption operation through the fluff pulp layer (3) and the SAP polymer layer (4).

2. The dry-feeling, low-recovery, composite nonwoven fabric according to claim 1, wherein: The fluff pulp layer (3) is provided with an arc film surface (31), a corrugated layer surface (32), a film piece (33) and a fluff slot (34), the arc film surface (31) is arranged on the left side of the film piece (33) and the fluff slot (34), the film piece (33) and the fluff slot (34) are more than two and are alternately fixed together, the arc film surface (31) and the film piece (33) are tightly attached to the top surface of the corrugated layer surface (32), the fluff slot (34) and the corrugated layer surface (32) are an integral structure, and the corrugated layer surface (32) is tightly attached to the SAP polymer layer (4).

3. The dry-feeling, low-recovery, composite nonwoven fabric according to claim 1, wherein: The SAP polymer layer (4) is provided with an absorption core body (41) and a corrugated fan surface (42) and a spherical core circular edge (43), the absorption core body (41) and the spherical core circular edge (43) are an integral structure, the corrugated fan surface (42) is more than two and is inserted together around the axis of the absorption core body (41), and the spherical core circular edge (43) is tightly attached to the fluff pulp layer (3).

4. The dry-feeling, low-recovery, composite nonwoven fabric according to claim 3, wherein: The corrugated fan surface (42) is provided with a convex arc layer surface (421), an absorption core pipe (422) and a concave arc layer surface (423), the convex arc layer surface (421) and the concave arc layer surface (423) are an integral structure, and the absorption core pipe (422) is fixed between the convex arc layer surface (421) and the concave arc layer surface (423).

5. The dry-feeling, low-recovery, composite nonwoven fabric according to claim 2, wherein: The arc film surface (31) and the film piece (33) can block return permeation and allow water flow to continuously penetrate downwardly through the fluff slot (34) without backflow on the corrugated layer surface (32).

6. The dry-feeling, low-recovery, composite nonwoven fabric according to claim 4, wherein: The absorption core pipe (422) is more than two and forms a ring layer around the axis of the absorption core body (41), can centripetally absorb water in the spherical core circular edge (43), and can overflow liquid to be absorbed by the absorption core pipe (422) ring layer.

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