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Composite water absorbent paper for absorbent product, preparation method and application of composite water absorbent paper

An absorbent, absorbent paper technology, applied in absorbent pads, medical science, etc., to reduce manufacturing difficulty, improve losses, and improve adhesive strength

Inactive Publication Date: 2015-03-04
TIANJIN SINOSH NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The upper polymer water-absorbent resin is different from the lower polymer water-absorbent resin

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Composite water absorbent paper for absorbent product, preparation method and application of composite water absorbent paper
  • Composite water absorbent paper for absorbent product, preparation method and application of composite water absorbent paper
  • Composite water absorbent paper for absorbent product, preparation method and application of composite water absorbent paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059]

[0060] (1) Select Nippon Shokubai W211 polymer water-absorbing resin, the performance indicators are as follows

[0061]

[0062] (2) Pass through a vibrating sieve and sieve through a 40-mesh screen to form a finer polymer water-absorbent resin larger than 40 mesh and a coarser polymer water-absorbent resin smaller than 40 mesh.

[0063] (3) Polymer water-absorbent resin less than 40 meshes is evenly spread on the compact surface of the high-loft non-woven fabric through the polymer lower hopper, and after being glued with the upper dust-free paper coated with hot-melt adhesive on the surface, it is pressed by a pressing roller ;

[0064] (4) Polymer water-absorbent resin larger than 40 mesh is evenly spread on the fluffy surface of the high-loft non-woven fabric through the polymer lower hopper, and the polymer water-absorbent resin enters the fluffy surface through horizontal vibration, and the surface is sprayed with hot melt adhesive. After the dust-free p...

Embodiment 2

[0067] Absorbent Paper Specifications

[0068]

[0069] (1) Select Nippon Shokubai W211 high-molecular water-absorbing resin, prepare and manufacture according to the existing technology without screening.

[0070] (2) According to the amount of polymer added in the upper layer, it is evenly spread on the compact surface of the high-loft non-woven fabric through the polymer lower hopper, and after being glued with the upper dust-free paper coated with hot-melt adhesive, it is pressed by a pressing roller;

[0071] (4) According to the amount of polymer added in the lower layer, it is evenly spread on the fluffy surface of the high-loft non-woven fabric through the polymer lower hopper, and the polymer water-absorbing resin enters the fluffy surface through horizontal vibration, and the lower non-woven fabric sprayed with hot melt adhesive on the surface After the dust paper is glued and pressed by the pressing roller;

[0072] (5) Slitting and rewinding are vested.

Embodiment 3

[0074]

[0075] (1) Select Nippon Shokubai W101 polymer water-absorbing resin, the performance indicators are as follows

[0076]

[0077]

[0078] Vibrating sieve, screened by 20-mesh, 40-mesh, and 80-mesh sieves to form 20-40 mesh thicker polymer water-absorbent resin and 40-80 mesh finer polymer water-absorbent resin.

[0079] (2) Polymer water-absorbent resin of 20-40 meshes is evenly spread on the compact surface of the high-loft non-woven fabric through the polymer lower hopper, and after being glued with the upper dust-free paper coated with hot-melt adhesive on the surface, it is pressed by pressing rollers combine;

[0080] (3) The 40-80 mesh polymer water-absorbent resin is evenly spread on the fluffy surface of the high-loft non-woven fabric through the polymer lower hopper, and the polymer water-absorbent resin enters the fluffy surface through horizontal vibration, and the surface is sprayed with hot melt adhesive. After the lower dust-free paper is glu...

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Abstract

The invention provides composite water absorbent paper for an absorbent product. The composite water absorbent paper for the absorbent product comprises an upper isolation layer, macromolecular water absorbent resin, a high-fluffy nonwoven fabric and a lower isolation layer, wherein the macromolecular water absorbent resin comprises upper macromolecular water absorbent resin which is distributed between the upper isolation layer and the high-fluffy nonwoven fabric, and lower macromolecular water absorbent resin which is distributed between the high-fluffy nonwoven fabric and the lower isolation layer; the upper isolation layer, the upper macromolecular water absorbent resin, the high-fluffy nonwoven fabric, the lower macromolecular water absorbent resin and the lower isolation layer are combined together in a gluing or heat sealing manner; the composite water absorbent paper is characterized in that the particle size of the upper macromolecular water absorbent resin is different from that of the lower macromolecular water absorbent resin; the particle size of the lower macromolecular water absorbent resin is smaller than that of the upper macromolecular water absorbent resin. According to the composite water absorbent paper for the absorbent product, the absorption performance of the water absorbent paper can be remarkably improved; the utilization rate of macromolecules is improved; the production cost is reduced.

Description

technical field [0001] The invention belongs to the field of disposable hygiene products, and in particular relates to composite absorbent paper for absorbent products. Background technique [0002] The core of diapers is the core part to ensure the function of absorbing and locking water. The core of traditional diapers is made of a mixture of polymer water-absorbing materials and wood pulp, which is covered with wet-strength paper or hydrophilic spunbonded non-woven fabrics. Cotton core absorbers The thickness is relatively thick, and such a material and structure, after absorbing water, the water is easy to accumulate in the water injection part and is not easy to spread. Due to the influence of gel retardation, the utilization rate of polymer water-absorbing materials is low, and the water-locking ability also has certain limitations. At the same time, Because the structure of this material is relatively loose, once it absorbs water, it will form lumps and faults. After ...

Claims

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Application Information

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IPC IPC(8): A61F13/53
CPCA61F13/15577A61F13/53A61F2013/530131A61F2013/530489A61F2013/530569A61F2013/530708
Inventor 韩海星陈奎王丽华周静
Owner TIANJIN SINOSH NEW MATERIAL TECH
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