Super-absorbent composite non-woven fabric

Abstract

The utility model belongs to the technical field of non-woven fabrics, and discloses a super-absorbent composite non-woven fabric. The fabric is composed of an upper fiber web layer, a water absorption layer and a lower fiber web layer. The topmost layer is an upper fiber web layer, the middle layer is a water absorption layer, and the bottom layer is a lower fiber web layer; the upper fiber web layer, the water absorption layer and the lower fiber web layer are sequentially laid from top to bottom and connected through hot rolling to form the super-water-absorption composite non-woven fabric, and a plurality of equidistant grooves are formed in the top face and the bottom face of the super-water-absorption composite non-woven fabric, and the faces, facing the outer side, of the top face and the bottom face of the super-water-absorption composite non-woven fabric respectively. A bulge is arranged between every two adjacent grooves; the water absorption layer is formed by sequentially laying a water absorption particle layer and a hot melting particle layer from top to bottom; and the water absorption particle layer and the hot melting particle layer are connected together in a penetrating and entangling manner. The water absorption capacity reaches 20 times or above, and the water absorption device can be repeatedly used, is high in utilization rate and saves economic cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of non - woven fabric, the utility model relates to a kind of superabsorbent composite non - woven fabric. BACKGROUND

[0002] Non-woven fabric is commonly known as non-woven fabric, which is formed by arranging short fibers or filaments in a certain direction or randomly, forming a web structure, and then reinforcing it by mechanical, thermal or chemical methods.

[0003] With the continuous development of medical and health, personal care, daily life and other fields, the demand for non-woven fabric materials is increasing, especially the higher requirements for its water absorption performance, air permeability and comfort. Water-absorbing non-woven fabric can be applied to the absorption of condensed water droplets on the wall, wall edge, window bottom and other places during the rainy season, kitchen condensate water, to avoid the dripping of condensed water droplets on the floor, soaking and damaging furniture, etc. It can also be used as a flower moisture cloth.

[0004] The water-absorbing non-woven fabric on the market is made of non-woven fabric (washing water cotton / wool). It is especially suitable for the problem of water droplets on window glass due to temperature difference in winter. It can quickly absorb water droplets, keep the windowsill dry, prevent moisture from breeding bacteria or damaging the windowsill, and bring convenience to winter life. However, the existing water-absorbing non-woven fabric has low water absorption capacity, which can generally absorb 2-10 times its own weight of water. The low water absorption capacity cannot meet the current water absorption requirements caused by temperature difference, and it cannot be reused. SUMMARY

[0005] The utility model aims at overcoming the shortcomings in the background art, providing a kind of superabsorbent composite non - woven fabric, it can be applied to preparation water-absorbing non-woven fabric, dressing. Its water absorption capacity reaches 20 times and above its own, and can be reused, with high utilization rate and economic cost saving.

[0006] The utility model solves the technical problems by adopting the following technical scheme: a kind of superabsorbent composite non - woven fabric, by upper web layer, water absorption layer, lower web layer composition;The top layer is upper web layer, the middle layer is water absorption layer, the bottom layer is lower web layer;Upper web layer, water absorption layer, lower web layer are sequentially laid according to the order from top to bottom and are connected by hot rolling to form superabsorbent composite non - woven fabric, the top surface and the bottom surface of superabsorbent composite non - woven fabric, the side of the outer side of each is provided with a plurality of equidistant grooves;And a protrusion is arranged between every two adjacent grooves;The water absorption layer is sequentially laid by water absorption particle layer, hot melt particle layer and is composed of;Water absorption particle layer and hot melt particle layer are connected together by entanglement.

[0007] Further, the upper web layer is cp spunlace non-woven fabric, which is sequentially laid by polyester layer A and pulp layer A from top to bottom;Polyester layer A and pulp layer A are connected together by entanglement.

[0008] Further, the lower fibernet layer is a cp water-jet non-woven fabric, which is composed of a pulp layer B and a polyester layer B in the order from top to bottom.

[0009] Further, the raw material of the water-absorbing particle layer is a Sap particle superabsorbent resin.

[0010] Further, the raw material of the hot-melt particle layer is a hot-melt particle.

[0011] Further, the raw materials of the pulp layer A and the pulp layer B are both pulp fibers.

[0012] Further, the raw materials of the polyester layer A and the polyester layer B are both polyester fibers.

[0013] Further, the upper fibernet layer has a gram weight of 50-80g, the lower fibernet layer has a gram weight of 50-80g, and the water-absorbing layer has a gram weight of 20-50g.

[0014] Further, the polyester layer A has a gram weight of 25-40g, and the pulp layer A has a gram weight of 25-40g.

[0015] Further, the polyester layer B has a gram weight of 25-40g, and the pulp layer B has a gram weight of 25-40g.

[0016] Further, the water-absorbing particle layer has a gram weight of 10-30g, and the hot-melt particle layer has a gram weight of 10-20g.

[0017] Further, the water-absorbing particle layer has an ion-free water absorption capacity of ≥250g / g.

[0018] The upper fibernet layer and the lower fibernet layer are prepared by a water-jet process.

[0019] The super water-absorbing composite non-woven fabric has the beneficial effects compared with the prior art.

[0020] The super water-absorbing composite non-woven fabric can be applied to absorb condensed water droplets on the wall, the wall edge, the window bottom and the like of the wall body in the south of China, kitchen condensed water, to avoid the condensed water droplets from falling to the ground and soaking furniture, and can be used for fresh flower moisture cloth and dressing.

[0021] Compared with the water-absorbing paste and the non-woven fabric (washing water cotton / wool felt) on the market, the super water-absorbing non-woven fabric has a larger structure water absorption capacity, and the water absorption capacity can be 20 times or more than itself. The product can be used once or repeatedly. When repeatedly used, the product only needs to be placed in a place with sufficient sunlight for drying.

[0022] The super water-absorbing composite non-woven fabric provided by the utility model has two layers of pulp layers A and B which wrap the mixed particles well and are beneficial to water absorption. The two layers of polyester layers A and B have high strength and can prevent the super water-absorbing composite non-woven fabric from being deformed. The CP water-jet non-woven fabric has pulp fibers and polyester fibers which are water-jet entangled and closely connected, thereby ensuring the integrity of the super water-absorbing composite non-woven fabric. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further explained below in combination with the drawings and examples:

[0024] Figure 1 is the result schematic diagram of the utility model's super water-absorbing composite non-woven fabric.

[0025] Figure 2 is the structure schematic diagram of the utility model's super water-absorbing composite non-woven fabric before heat rolling process after laying.

[0026] Figure 3 is the real object reference schematic diagram of the utility model's super water-absorbing composite non-woven fabric.

[0027] Fig. 1. polyester layer A, 2. pulp layer A, 3. hot melt particle, 4. sap particle, 5. pulp layer B, 6. polyester layer B. DETAILED DESCRIPTION

[0028] The utility model is further explained below in combination with the drawings and examples: The utility model provides a kind of super water-absorbing composite non-woven fabric, using heat rolling treatment consolidation, strengthen the consolidation force of upper and lower layers of non-woven fabric, increase water absorption and water retention capacity, so as to improve the use effect of non-woven fabric. Hot melt particle not on the rolling point mixes with sap particle, slightly hot melt when heat rolling, and sap particle is adhered on non-woven fabric, not easy to fall off to the outside of non-woven fabric. It can be fully saturated when meeting water. Hot melt particle on the rolling point, increase the consolidation force of upper web layer and lower web layer, when meeting water, limit the swelling of sap particle when meeting water, do not make upper web layer and lower web layer separate, keep the shape of non-woven fabric rolling point. The purpose of high-temperature heat rolling: make upper web layer and lower web layer and water-absorbing layer fully solid and cover on the rolling point, and high temperature is conducive to the hot melt consolidation of upper web layer and lower web layer. EMBODIMENT

[0029] A kind of super water-absorbing composite non-woven fabric, as Figure 1As shown, the upper fibernet layer, the water absorption layer, and the lower fibernet layer are sequentially laid in the order from top to bottom to form the super water-absorbent composite non-woven fabric through thermal rolling connection, and the top surface and the bottom surface of the super water-absorbent composite non-woven fabric are each provided with a plurality of equidistant grooves; and a protrusion is arranged between every two adjacent grooves; the water absorption layer is sequentially laid in the order from top to bottom by the water absorption particle layer and the hot melt particle layer; and the water absorption particle layer and the hot melt particle layer are connected together through entanglement.

[0030] The upper fibernet layer is cp spunlace non-woven fabric, which is sequentially laid in the order from top to bottom by the polyester layer A1 and the pulp layer A2; and the polyester layer A1 and the pulp layer A2 are connected together through entanglement.

[0031] The lower fibernet layer is cp spunlace non-woven fabric, which is sequentially laid in the order from top to bottom by the pulp layer B5 and the polyester layer B6; and the pulp layer B5 and the polyester layer B6 are connected together through entanglement.

[0032] The upper fibernet layer has a grammage of 50g, the water absorption layer has a grammage of 20g, and the lower fibernet layer has a grammage of 50g.

[0033] The polyester layer A1 has a grammage of 25g, the pulp layer A2 has a grammage of 25g, the water absorption particle layer has a grammage of 10g; the hot melt particle layer has a grammage of 10g; the pulp layer B5 has a grammage of 25g, and the polyester layer B6 has a grammage of 25g. Embodiment

[0034] The upper fibernet layer has a grammage of 80g, the water absorption layer has a grammage of 50g, and the lower fibernet layer has a grammage of 80g.

[0035] The polyester layer A1 has a grammage of 40g, the pulp layer A2 has a grammage of 40g, the water absorption particle layer has a grammage of 30g; the hot melt particle layer has a grammage of 20g; the pulp layer B5 has a grammage of 40g, and the polyester layer B6 has a grammage of 40g. The other conditions are the same as in Embodiment 1. Embodiment

[0036] The upper fibernet layer has a grammage of 60g, the water absorption layer has a grammage of 35g, and the lower fibernet layer has a grammage of 65g.

[0037] The polyester layer A1 has a grammage of 30g, the pulp layer A2 has a grammage of 30g, the water absorption particle layer has a grammage of 20g; the hot melt particle layer has a grammage of 15g; the pulp layer B5 has a grammage of 30g, and the polyester layer B6 has a grammage of 30g. The other conditions are the same as in Embodiment 1.

[0038] The upper fibernet layer and the lower fibernet layer in the embodiments are prepared through the spunlace process. The super water-absorbent composite non-woven fabric is produced through high-temperature thermal rolling process. The thermal rolling temperature is not less than 180℃.

[0039] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A superabsorbent composite nonwoven fabric, characterized by comprising The upper fiber web layer, the water absorption layer, and the lower fiber web layer are sequentially laid in order from top to bottom to form the super-absorbent composite non-woven fabric through hot rolling connection, and the top surface and the bottom surface of the super-absorbent composite non-woven fabric are provided with a plurality of equidistant grooves on the outer side; and a protrusion is arranged between every two adjacent grooves; the water absorption layer is sequentially laid in order from top to bottom by the water absorption particle layer and the hot melt particle layer to form the water absorption layer; and the water absorption particle layer and the hot melt particle layer are connected together through entanglement.

2. The superabsorbent composite nonwoven fabric according to claim 1, wherein the superabsorbent composite nonwoven fabric has a thickness of 0.5 to 2.0 mm. The upper fiber web layer is cp spunlace non-woven fabric, which is sequentially laid in order from top to bottom by the polyester layer A (1) and the pulp layer A (2) to form the upper fiber web layer; and the polyester layer A (1) and the pulp layer A (2) are connected together through entanglement.

3. The superabsorbent composite nonwoven fabric according to claim 1, wherein the superabsorbent composite nonwoven fabric has a thickness of 0.1 to 0.5 mm. The lower fiber web layer is cp spunlace non-woven fabric, which is sequentially laid in order from top to bottom by the pulp layer B (5) and the polyester layer B (6) to form the lower fiber web layer; and the pulp layer B (5) and the polyester layer B (6) are connected together through entanglement.

4. The superabsorbent composite nonwoven fabric according to claim 1, wherein the superabsorbent composite nonwoven fabric has a thickness of 0.5 to 2.0 mm. The raw material of the water absorption particle layer is Sap particle super-absorbent resin.

5. The superabsorbent composite nonwoven fabric according to claim 1, wherein the superabsorbent composite nonwoven fabric has a thickness of 0.5 to 2.0 mm. The raw material of the hot melt particle layer is hot melt particle.

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