Environment-friendly degradable non-woven fabric

Abstract

The utility model discloses an environment-friendly degradable non-woven fabric, which relates to the technical field of non-woven fabrics and comprises a soft cotton cloth cover, a water absorption tissue, a fluff wood pulp layer, an SAP (super absorbent polymer) polyurethane layer, a paper pulp layer and a bottom film. High-strength and high-thickness water absorption is guaranteed on the bottom film through the SAP polyurethane layer and the paper pulp layer, the non-woven fabric after water absorption permeates to the trapezoidal blocks and the absorption core body through filling water return of the conical strip edges in the triangular grain face and the fan grain face, and finally the non-woven fabric is degraded and breaks and releases the trapezoidal blocks and the absorption core body through expansion and water absorption of the ball fasteners. The SAP polyurethane layer material can absorb water, the non-woven fabric polyurethane can be gradually degraded in the natural environment and finally decomposed into carbon dioxide and water, the influence on the environment is small, the water-absorbing tissue is made of wood pulp and can be degraded and recycled, and the effects that the non-woven fabric composite layer is combined and layered to different degrees, can be rapidly degraded and is environmentally friendly are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven fabric technical field, concretely is a kind of environment-friendly degradable non - woven fabric. BACKGROUND

[0002] Non-woven fabric is also called non-woven fabric, needle punching cotton, needle punching non-woven fabric, etc., which is made of polyester fiber and terylene fiber material, and is made by needle punching process, and can be made into different thickness, hand feeling, hardness, etc.Non-woven fabric has the characteristics of moisture-proof, breathable, flexible, light, flame-retardant, non-toxic and odorless, low price, recyclable, etc.It can be used in different industries, such as sound insulation, heat insulation, heating sheet, mask, clothing, medical, filling material, etc.

[0003] At present, when non-woven fabric is made, synthetic fiber is usually used, and synthetic fiber is mostly non-degradable, so when non-woven fabric is treated, it will affect the environment, is not environmentally friendly, and the water-absorbing polymer SAP layer is usually a composite material, which makes it more difficult to degrade. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the prior art, the utility model provides an environment-friendly degradable non-woven fabric to solve the problem that when non-woven fabric is made, synthetic fiber is usually used, and synthetic fiber is mostly non-degradable, so when non-woven fabric is treated, it will affect the environment, is not environmentally friendly, and the water-absorbing polymer SAP layer is usually a composite material, which makes it more difficult to degrade.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: an environment-friendly degradable non-woven fabric, comprising a soft cloth surface, a water-absorbing tissue, a fluff wood pulp layer, a SAP polyurethane layer, a paper pulp layer and a bottom film, the water-absorbing tissue is tightly attached to the lower layer of the soft cloth surface, the fluff wood pulp layer is tightly attached to the lower layer of the water-absorbing tissue, the SAP polyurethane layer is arranged in the lower layer of the fluff wood pulp layer, the paper pulp layer is arranged in the lower layer of the SAP polyurethane layer, and the bottom film is tightly attached to the lower layer of the paper pulp layer, the water-absorbing tissue, the fluff wood pulp layer, the SAP polyurethane layer and the paper pulp layer between the soft cloth surface and the bottom film are pressed to form a non-woven fabric core.

[0006] The fluff wood pulp layer and the paper pulp layer are degradable, and the water-absorbing tissue is also made of wood pulp and paper pulp material, which is degradable, and the polyurethane of the SAP polyurethane layer can be gradually degraded in the natural environment, and finally decomposed into carbon dioxide and water, which has little effect on the environment, so all the core layers between the soft cloth surface and the bottom film are degradable, and the non-woven fabric achieves the effect of environmental protection and no pollution.

[0007] Preferably, the water-absorbing paper towel is provided with a triangular surface, a tapered strip edge, and a fan-shaped surface, the tapered strip edge is fixed on the left side of the triangular surface, the triangular surface is tightly attached to the fan-shaped surface, and the triangular surface is provided with two or more combined bottom portions which are tightly attached to the bottom of the soft cloth surface.

[0008] Through the tapered strip edge and the fan-shaped surface, the triangular surface can be quickly and easily degraded into fragmented pulp.

[0009] Preferably, the non-woven fabric backflow water flows through the tapered strip edge on the triangular surface to the fan-shaped surface, which can be three-arc centripetal water absorption operation.

[0010] Through the tapered strip edge and the fan-shaped surface, water absorption can be guided to form a centripetal structure similar to a siphon.

[0011] Preferably, the SAP polyurethane layer is provided with a trapezoidal block, a ball fastener, and an absorption core, the trapezoidal block and the ball fastener are provided with two or more and are installed together around the axis of the absorption core, the trapezoidal block is fastened together with the absorption core through the ball fastener, and the trapezoidal block is tightly attached to the bottom of the soft wood pulp layer.

[0012] Through the trapezoidal block and the absorption core, the ball fastener is connected to form a spider web structure for water absorption and centripetal water pumping, and the polyurethane has high elasticity and stable rebound.

[0013] Preferably, the trapezoidal block absorbs water and expands the ball fastener, which also guides the expansion of the absorption core, so that the ball fastener absorbs and expands to disconnect the trapezoidal block and the absorption core, and the polyurethane materials of the trapezoidal block, the ball fastener, and the absorption core are separated and degraded.

[0014] The trapezoidal block, the ball fastener, and the absorption core are all polyurethane, which can be gradually degraded in the natural environment, and finally decomposed into carbon dioxide and water, having less impact on the environment.

[0015] The utility model provides a kind of environment-friendly degradable non-woven fabric, with the following beneficial effects:

[0016] The water absorption of the non-woven fabric is penetrated to the water-absorbing paper towel and the soft wood pulp layer through the soft cloth surface, and then the SAP polyurethane layer and the pulp layer ensure high strength and thickness of water absorption on the bottom film, achieving first-level water absorption and second-level water absorption supporting four-layer structure non-woven fabric. The water-absorbed non-woven fabric fills water backwater penetration to the trapezoidal block and the absorption core through the tapered strip edge and the fan-shaped surface in the triangular surface. The final non-woven fabric degradation is through the ball fastener to expand and absorb water to break and disconnect the trapezoidal block and the absorption core. The SAP polyurethane layer is all polyurethane material that can absorb water. The non-woven fabric polyurethane can be gradually degraded in the natural environment, and finally decomposed into carbon dioxide and water, having less impact on the environment. The water-absorbing paper towel itself is also made of wood pulp material and can be recycled and utilized, achieving the effect of non-woven fabric composite layer combination layering different degrees of rapid degradation and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional explosion structure schematic diagram of the environment-friendly degradable non-woven fabric of the utility model;

[0018] Figure 2 It is a texture water absorption state overhead structure schematic diagram of the utility model's water absorption paper towel;

[0019] Figure 3 It is a texture water absorption state overhead structure schematic diagram of the utility model's water absorption paper towel;

[0020] Figure 4 It is a water absorption permeation state cross section structure schematic diagram of the utility model's SAP polyurethane layer;

[0021] Figure 5 It is a local separation diffusion state cross section structure schematic diagram of the utility model's SAP polyurethane layer.

[0022] In the drawing: soft cloth surface 1, water absorption paper towel 2, fluff wood pulp layer 3, SAP polyurethane layer 4, paper pulp layer 5, bottom film 6, triangular texture surface 21, conical strip edge 22, fan texture surface 23, trapezoidal block 41, ball fastener 42, absorption core 43. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides an environment-friendly degradable non-woven fabric, including soft cloth surface 1, water absorption paper towel 2, fluff wood pulp layer 3, SAP polyurethane layer 4, paper pulp layer 5, bottom film 6, the soft cloth surface 1 lower layer is closely attached with water absorption paper towel 2, water absorption paper towel 2 lower layer is closely attached with fluff wood pulp layer 3, fluff wood pulp layer 3 lower layer is equipped with SAP polyurethane layer 4, SAP polyurethane layer 4 lower layer is equipped with paper pulp layer 5, paper pulp layer 5 lower layer is closely attached with bottom film 6, the water absorption paper towel 2, fluff wood pulp layer 3, SAP polyurethane layer 4, paper pulp layer 5 of the water absorption of the soft cloth surface 1 and bottom film 6 pressure consolidation middle group non-woven fabric core.

[0025] At present, when making non-woven fabric, synthetic fibers are mostly used, and synthetic fibers are mostly non-degradable, so when processing non-woven fabric, it will affect the environment, is not environment-friendly, and the water absorption polymer SAP layer is often a composite material, which is more difficult to degrade.

[0026] It should be noted that the fluff wood pulp layer 3 and the pulp layer 5 are biodegradable, and the water-absorbing paper towel 2 is also made of wood pulp and pulp materials, which are biodegradable, and the polyurethane of the SAP polyurethane layer 4 can gradually degrade in the natural environment, and finally decompose into carbon dioxide and water, which has little impact on the environment, so the core layer between the soft cloth surface 1 and the bottom film 6 is biodegradable, so that the non-woven fabric achieves the effect of environmental protection and no pollution.

[0027] The water-absorbing paper towel 2 is provided with a triangular pattern surface 21, a tapered strip edge 22, and a fan pattern surface 23, the tapered strip edge 22 is fixed on the left side of the triangular pattern surface 21, the triangular pattern surface 21 and the fan pattern surface 23 are tightly attached together, and the triangular pattern surface 21 is provided with two or more combined laying and tightly attached to the bottom of the soft cloth surface 1.

[0028] It should be noted that the tapered strip edge 22 and the fan pattern surface 23 can be disassembled into fragmented pulp on the triangular pattern surface 21 for convenient and fast degradation operation.

[0029] The non-woven fabric reabsorbs water flow through the tapered strip edge 22 on the triangular pattern surface 21 to the fan pattern surface 23, which can be three-arc and centripetal water absorption operation.

[0030] It should be noted that the tapered strip edge 22 and the fan pattern surface 23 can form a centripetal structure similar to a drain water operation.

[0031] The SAP polyurethane layer 4 is provided with a trapezoidal block 41, a ball fastener 42, and an absorption core 43, the trapezoidal block 41 and the ball fastener 42 are provided with two or more and are installed together around the axis of the absorption core 43, the trapezoidal block 41 is fastened together with the absorption core 43 through the ball fastener 42, and the trapezoidal block 41 is tightly attached to the bottom of the fluff wood pulp layer 3.

[0032] It should be noted that the trapezoidal block 41 and the absorption core 43 form a spider web structure with the ball fastener 42 to achieve the effect of water absorption and centripetal water pumping, and the polyurethane has high elastic rebound stability.

[0033] The trapezoidal block 41 absorbs water to expand the ball fastener 42, which also guides the expansion of the absorption core 43, so that the ball fastener 42 absorbs and expands to disconnect the trapezoidal block 41 and the absorption core 43, so that the polyurethane materials of the trapezoidal block 41, the ball fastener 42, and the absorption core 43 are separated and degraded.

[0034] It should be noted that the trapezoidal block 41, the ball fastener 42, and the absorption core 43 are all polyurethane, which can gradually degrade in the natural environment, and finally decompose into carbon dioxide and water, which has little impact on the environment.

[0035] The water absorption of the non-woven fabric is penetrated through the soft cloth surface 1 to the water absorption paper towel 2 and the speed absorption of the fluff pulp layer 3, and then through the SAP polyurethane layer 4 and the pulp layer 5 on the bottom film 6 to ensure high strength and thickness of the water absorption, so as to achieve the first level of water absorption and the second level of water absorption, and the four-layer structure of the non-woven fabric is matched, and the water absorption of the non-woven fabric is filled through the conical strip edge 22 in the triangular pattern surface 21 and the fan pattern surface 23 to the trapezoidal block 41 and the absorption core body 43, and finally the non-woven fabric is degraded through the ball buckle 42 to expand and absorb water, break and disconnect the trapezoidal block 41 and the absorption core body 43, so that the SAP polyurethane layer 4 is all polyurethane material and can absorb water, the non-woven fabric polyurethane can be gradually degraded in the natural environment, and finally decomposed into carbon dioxide and water, which has less impact on the environment, and the water absorption paper towel 2 itself is also made of wood pulp material and can be recycled and utilized, so as to achieve the effect of the non-woven fabric composite layer combination and the different degrees of fast degradation and environmental protection.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application.

Claims

1. An environmentally friendly and biodegradable nonwoven fabric, characterized in that: It includes soft cloth surface (1), water absorption towel (2), fluff wood pulp layer (3), SAP polyurethane layer (4), pulp layer (5), bottom film (6), the soft cloth surface (1) is closely attached to the water absorption towel (2) under layer, the water absorption towel (2) is closely attached to the fluff wood pulp layer (3) under layer, the fluff wood pulp layer (3) is provided with SAP polyurethane layer (4) under layer, the SAP polyurethane layer (4) is provided with pulp layer (5) under layer, the pulp layer (5) is closely attached to the bottom film (6) under layer, the soft cloth surface (1) and the bottom film (6) are pressed together in the middle of the water absorption towel (2), fluff wood pulp layer (3), SAP polyurethane layer (4), pulp layer (5) to form a non-woven fabric core.

2. The environment-friendly degradable non-woven fabric according to claim 1, characterized in that: The water absorption towel (2) is provided with triangular pattern surface (21), tapered strip edge (22), fan pattern surface (23), the tapered strip edge (22) is fixedly arranged on the left side of the triangular pattern surface (21), the triangular pattern surface (21) is closely attached to the fan pattern surface (23), and the triangular pattern surface (21) is provided with two or more than two combination laying closely attached to the bottom of the soft cloth surface (1).

3. The environment-friendly degradable non-woven fabric according to claim 2, characterized in that: The non-woven fabric reperfusion water flow is guided to the fan pattern surface (23) through the tapered strip edge (22) on the triangular pattern surface (21), which can be operated in three-arc way.

4. The environment-friendly degradable non-woven fabric according to claim 1, characterized in that: The SAP polyurethane layer (4) is provided with trapezoidal block (41), ball fastener (42) and absorption core (43), the trapezoidal block (41) and the ball fastener (42) are provided with two or more than two and are installed together around the axis of the absorption core (43), the trapezoidal block (41) is buckled together with the absorption core (43) through the ball fastener (42), and the trapezoidal block (41) is closely attached to the bottom of the fluff wood pulp layer (3).

5. The environment-friendly degradable non-woven fabric according to claim 4, characterized in that: The trapezoidal block (41) water absorption expansion ball fastener (42) also guides the expansion absorption core (43), so that the ball fastener (42) can absorb and expand to disconnect the connection between the trapezoidal block (41) and the absorption core (43), so that the trapezoidal block (41), the ball fastener (42) and the absorption core (43) are separated and degraded.

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