CN211750506U - Super-absorbent dust-free paper - Google Patents

Abstract

The utility model discloses a super absorbent dustless paper relates to dustless paper technical field. The utility model comprises a dust-free paper body, wherein the dust-free paper body comprises a first antibacterial layer and a second antibacterial layer; a flow guide layer is arranged on the bottom surface of the first bacteriostatic layer; the bottom surface of the diversion layer is bonded with a low-speed water absorption layer; the bottom surface of the first flow aid layer is bonded with a high-rate water absorption layer; the bottom surface of the high-speed water absorption layer is bonded with a second flow-assisting layer; a medium-rate water absorption layer is bonded on the bottom surface of the second flow aiding layer; the bottom surface of the medium-rate water absorption layer is provided with a waterproof layer. The utility model discloses a two surfaces are provided with first antibacterial layer and second antibacterial layer respectively about the dust-free paper body, play antibacterial effect then, and this dust-free paper absorbs water the layer in that three difference is provided with respectively in inside simultaneously, and the low rate absorbs water layer promptly, the high rate absorbs water layer and the medium rate layer that absorbs water, through the difference of the rate of absorbing water and the difference of thickness, makes this dust-free paper reach the super absorbent polymer and prevent osmosis effect.

Description

Super-absorbent dust-free paper

Technical Field

The utility model belongs to the technical field of dustless paper, especially, relate to a dustless paper of superstrong absorbability.

Background

There are a wide variety of liquid-solid water absorbents on the market today which are used to absorb and immobilize adult incontinence or baby urine and other excreta, and to prevent body and clothing from being soiled. Among many liquid-absorbing and water-fixing articles, liquid-absorbing absorbents used in diapers, diaper pants, and diaper pads used for adult incontinence and all-day babies are widely used.

The absorbent body with various liquid absorption rates, liquid absorption multiplying powers and liquid absorption composite structures is widely used for absorbing the absorbent body of adult incontinence or baby urine and excrement physiological products, along with the improvement of the social living standard, the use concept of the liquid absorption and water fixation absorbent body of diapers, diaper pants and urine pads is also continuously changed by people, besides the requirement that the liquid absorption and water fixation absorbent body meets the basic requirements of high absorption speed, large absorption capacity, no lump formation and the like, the requirements on the liquid rewet performance and the dry and comfortable comfort of the liquid absorption and water fixation absorbent body in use are higher and higher, and the main reason that the rewet capacity of the liquid absorption and water fixation absorbent body is large at present is that: in order to completely absorb urine of adults or infants, a liquid-absorbing and water-fixing absorber of physiological sanitary products such as diapers and the like is compounded by adopting high-molecular water-absorbing resin with high absorption speed and high liquid-absorbing rate and wood pulp or dust-free paper, once the urine volume is large, the high-molecular water-absorbing resin in the absorber absorbs and fixes the liquid, the liquid is uniformly distributed in the high-molecular water-absorbing resin, so that the liquid seepage amount is large, the contact surface between the skin of a wearer and the physiological products such as the diapers is wet, and the skin is easy to turn red and itchy due to the alkaline urine.

Therefore, in the prior art, various solutions for improving the liquid rewet performance and the dryness and comfort of the liquid-absorbing and water-fixing absorbent are provided, for example, the using amount of the high-molecular water-absorbing resin is increased, the high-molecular water-absorbing resin is in an unsaturated liquid-absorbing state, and the rewet amount is reduced, but the absorbent with the structure has the problems of cost increase, lump and caking of the absorbent and the like, and the differential liquid-absorbing and water-fixing composite dust-free paper with the publication number of CN201320025185.2 provides a dust-free paper composite structure to solve the problems, but the structure cannot achieve double protection in the aspect of rewet prevention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustless paper of superstrong absorptivity absorbs water the layer through the low rate, the high rate absorbs water the layer and the design on medium rate layer that absorbs water, has solved the current dustless paper and has prevented the poor problem of rewet effect.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to super-absorbent dust-free paper, which comprises a dust-free paper body, wherein the dust-free paper body comprises a first bacteria inhibiting layer and a second bacteria inhibiting layer; a flow guide layer is arranged on the bottom surface of the first bacteriostatic layer; a low-speed water absorption layer is bonded on the bottom surface of the diversion layer; a first flow-assisting layer is bonded on one surface of the low-rate water absorption layer; the bottom surface of the first flow aid layer is bonded with a high-rate water absorption layer; a second flow-assisting layer is bonded on the bottom surface of the high-rate water absorption layer; a medium-rate water absorption layer is bonded on the bottom surface of the second flow aiding layer; a waterproof layer is arranged on the bottom surface of the medium-rate water absorption layer; the bottom surface of the waterproof layer is connected with the second bacteriostatic layer.

Furthermore, the first antibacterial layer, the flow guide layer, the low-rate water absorption layer, the first flow assisting layer, the high-rate water absorption layer, the second flow assisting layer, the medium-rate water absorption layer, the waterproof layer and the second antibacterial layer are connected through edge melting and edge sealing and hot pressing.

Further, the thickness of the medium-rate water absorption layer is 50% of that of the dust-free paper body; the thickness of the low-rate water absorption layer is 40% of that of the medium-rate water absorption layer; the thickness of the high-speed water absorption layer is 33% of that of the low-speed water absorption layer.

Further, the thickness of the first antibacterial layer and the second antibacterial layer is in the range of 0.1-0.5 mm.

The utility model discloses following beneficial effect has:

the utility model discloses a two surfaces are provided with first antibacterial layer and second antibacterial layer respectively about the dust-free paper body, play antibacterial effect then, and this dust-free paper absorbs water the layer in that three difference is provided with respectively in inside simultaneously, and the low rate absorbs water layer promptly, the high rate absorbs water layer and the medium rate layer that absorbs water, through the difference of the rate of absorbing water and the difference of thickness, makes this dust-free paper reach the super absorbent polymer and prevent osmosis effect.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a super absorbent dust-free paper;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

in the drawings, the components represented by the respective reference numerals are listed below:

1-dust-free paper body, 101-first bacteria inhibiting layer, 102-second bacteria inhibiting layer, 103-flow guiding layer, 104-low-rate water absorbing layer, 105-first flow assisting layer, 106-high-rate water absorbing layer, 107-second flow assisting layer, 108-medium-rate water absorbing layer and 109-waterproof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention relates to a super absorbent dust-free paper, which comprises a dust-free paper body 1, wherein the dust-free paper body 1 comprises a first antibacterial layer 101 and a second antibacterial layer 102; the first antibacterial layer 101 and the second antibacterial layer 102 are formed by roll coating a polymer antibacterial film forming agent on the dust-free paper, and the antibacterial layers are formed on the upper surface and the lower surface of the dust-free paper after heating and curing, and are continuous closed films with soft and transparent layers; the polymer bacteriostatic film-forming agent is prepared from the following raw materials in percentage by mass: 80-94% of high molecular polymer emulsion, 1-10% of bacteriostatic agent and 5-10% of auxiliary agent, wherein the auxiliary agent is an auxiliary agent commonly used in the industry, such as polyvinylpyrrolidone; the high molecular polymer emulsion refers to polyether emulsion, polystyrene emulsion and polyacrylate emulsion; the bacteriostatic agent is one or more of benzethonium chloride, polyhexamethylene guanidine, benzalkonium chloride, benzalkonium bromide, imidazolidinyl urea, isothiazolinone or quaternary ammonium salt bacteriostatic agent, triclosan, triclocarban, IPBC and DMDMH;

the bottom surface of the first antibacterial layer 101 is provided with a flow guide layer 103; the material of the flow guide layer 103 is non-woven fabric; the flow guide layer 103 plays a role in helping water molecule diffusion, and the bottom surface of the flow guide layer 103 is bonded with a low-rate water absorption layer 104; a first flow-assisting layer 105 is bonded on one surface of the low-rate water absorption layer 104; the bottom surface of the first flow-assisting layer 105 is bonded with a high-speed water absorption layer 106; a second flow-assisting layer 107 is bonded on the bottom surface of the high-rate water absorption layer 106; the first flow aiding layer 105 and the second flow aiding layer 107 are both made of fluffy non-woven fabrics with the liquid diffusion improving effect; the bottom surface of the second flow-assisting layer 107 is bonded with a medium-rate water-absorbing layer 108; the bottom surface of the medium-rate water absorption layer 108 is provided with a waterproof layer 109; the waterproof layer 109 is made of a TPU waterproof breathable film; the bottom surface of the waterproof layer 109 is connected with the second antibacterial layer 102; the low-rate water-absorbing layer 104, the high-rate water-absorbing layer 106 and the medium-rate water-absorbing layer 108 are all composed of super-absorbent short fibers, wood pulp fluff short fibers and thermoplastic short fibers; the super-absorbent short fibers, the wood pulp fluff short fibers and the thermoplastic short fibers have a certain retention effect on water molecules;

the low-rate water absorption layer 104 contains 20-30% of super absorbent short fibers, 40-50% of wood pulp fluff short fibers and 20-40% of thermoplastic short fibers;

the content of super absorbent short fibers in the medium-rate water absorption layer 108 is 45-50%, the content of wood pulp fluff short fibers is 15-30%, and the content of thermoplastic short fibers is 20-40%;

the super absorbent short fiber content in the high-rate water absorption layer 106 is 60-70%, the wood pulp fluff short fiber content is 10-20%, and the thermoplastic short fiber content is 10-40%;

the super absorbent short fibers have different contents and gradually increase the water absorption rate of the low-rate water absorption layer 104, the medium-rate water absorption layer 108 and the high-rate water absorption layer 106, and are composed of at least one water absorption fiber selected from cellulose water absorption fibers, polycarboxylic water absorption fibers, acrylic water absorption fibers, polyacrylonitrile water absorption fibers, polyvinyl alcohol water absorption fibers and modified polyvinyl alcohol water absorption fibers.

The first antibacterial layer 101, the flow guide layer 103, the low-rate water absorption layer 104, the first flow-assisting layer 105, the high-rate water absorption layer 106, the second flow-assisting layer 107, the medium-rate water absorption layer 108, the waterproof layer 109 and the second antibacterial layer 102 are connected in a hot-pressing mode through edge sealing and melting.

Wherein, the thickness of the medium-rate water absorption layer 108 is 50% of the thickness of the dust-free paper body 1; the thickness of the low-rate water absorption layer 104 is 40% of that of the medium-rate water absorption layer 108; the high rate water absorbent layer 106 has a thickness of 33% of the thickness of the low rate water absorbent layer 104.

Wherein the thickness of the first antibacterial layer 101 and the second antibacterial layer 102 is 0.3 mm.

One specific application of this embodiment is: the dust-free paper is provided with a first bacteria inhibiting layer 101 and a second bacteria inhibiting layer 102 on the upper surface and the lower surface of a dust-free paper body 1 respectively, so that a bacteria inhibiting effect is achieved, meanwhile, the dust-free paper is internally provided with three water absorbing layers with different water absorbing rates, namely a low-rate water absorbing layer 104, a high-rate water absorbing layer 106 and a medium-rate water absorbing layer 108 respectively, through the difference of the water absorbing rates and the difference of the thicknesses, the dust-free paper achieves high water absorption and anti-seepage effects, when external water enters the dust-free paper, water molecules are guided into the low-rate water absorbing layer 104 through a flow guide layer 103, as the water absorbing rate of the high-rate water absorbing layer 106 is obviously greater than that of the low-rate water absorbing layer 104, a small part of the water molecules is intercepted by the low-rate water absorbing layer 104, and a large part of the water naturally enters the high-rate water absorbing layer 106 through seepage, and the thickness of the high-rate water absorbing layer 106 is thinner, and, after the high-rate water absorption layer 106 is saturated with water, because the water absorption rate of the medium-rate water absorption layer 108 is greater than that of the low-rate water absorption layer 104, under the action of the difference of the water absorption rate, redundant water molecules in the high-rate water absorption layer 106 penetrate into the medium-rate water absorption layer 108 and cannot enter the low-rate water absorption layer 104, and then the anti-rewet effect is achieved, at the moment, the high-rate water absorption layer 106 is equivalent to a water molecule one-way permeable film, the medium-rate water absorption layer 108 is a main water storage structure of the dust-free paper, and the waterproof layer 109 mainly plays a role in preventing water overflow of the medium-rate water.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. A dustless paper of super absorbent, includes dustless paper body (1), dustless paper body (1) includes first antibacterial layer (101) and second antibacterial layer (102), its characterized in that:

a flow guide layer (103) is arranged on the bottom surface of the first antibacterial layer (101); a low-speed water absorption layer (104) is bonded on the bottom surface of the flow guide layer (103); a first flow-assisting layer (105) is bonded on one surface of the low-rate water absorption layer (104); a high-speed water absorption layer (106) is bonded on the bottom surface of the first flow aiding layer (105); a second flow-assisting layer (107) is bonded on the bottom surface of the high-rate water absorption layer (106); a medium-rate water absorption layer (108) is bonded on the bottom surface of the second flow assisting layer (107); a waterproof layer (109) is arranged on the bottom surface of the medium-rate water absorption layer (108); the bottom surface of the waterproof layer (109) is connected with the second antibacterial layer (102).

2. A super absorbent dust-free paper according to claim 1, wherein the first bacteria-inhibiting layer (101), the flow guiding layer (103), the low rate water absorbing layer (104), the first flow promoting layer (105), the high rate water absorbing layer (106), the second flow promoting layer (107), the medium rate water absorbing layer (108), the water-proof layer (109) and the second bacteria-inhibiting layer (102) are hot pressed and connected by a fused edge seal.

3. A superabsorbent dust-free paper according to claim 1, characterized in that the medium rate water absorption layer (108) has a thickness of 50% of the thickness of the dust-free paper body (1); the thickness of the low-rate water absorption layer (104) is 40% of that of the medium-rate water absorption layer (108); the high rate water absorption layer (106) has a thickness of 33% of the thickness of the low rate water absorption layer (104).

4. A superabsorbent dust-free paper according to claim 1, characterized in that the thickness of the first (101) and second (102) antibacterial layers each ranges from 0.1 to 0.5 mm.

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