CN214049354U

CN214049354U - Water-retaining non-fault core pad for paper diaper

Info

Publication number: CN214049354U
Application number: CN202022717900.1U
Authority: CN
Inventors: 翁铭冲
Original assignee: Jiashan Qinghua Sanitation Composite Material Co ltd
Current assignee: Jiashan Qinghua Sanitation Composite Material Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-27
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a panty-shape diapers are with moisturizing no fault core pad, it relates to the field of panty-shape diapers, and it includes the basic unit, the sub-surface recombination of basic unit has water layer, water layer sub-surface recombination has the shaping layer, water layer includes first water retaining layer and compound in the water layer is protected to the second of terminal surface under the first water retaining layer, first water retaining layer lower surface dot matrix is provided with the first recess of placing of a plurality of, water layer upper surface dot matrix is provided with a plurality of second and places the recess to the second, the recess is placed with corresponding to the second first recess one-to-one of placing forms a plurality of and places the cavity, each place and be provided with the expanded imbibition spheroid of imbibition in the cavity. This application has the effect that reduces panty-shape diapers and play the fault of sticking together.

Description

Water-retaining non-fault core pad for paper diaper

Technical Field

The application relates to the field of paper diapers, in particular to a water-retaining faultless core pad for a paper diaper.

Background

The paper diaper is a daily article for babies, the dry paper diaper can enable the babies to keep sleeping overnight, the modern paper diaper generally comprises three main parts, namely a surface coating layer, an absorption core layer and a base fabric, wherein the surface coating layer is tightly attached to the bodies of the babies, can promote the urine to quickly permeate and effectively prevent the urine from back permeating, and keeps the surface layer of the diaper dry and comfortable.

The above prior art solutions have the following drawbacks: the high water absorption resin is expanded and then is condensed into a lump after absorbing water, so that the paper diaper is easy to generate a lump fault.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of the paper diaper stacking fault, the application provides a water-retaining fault-free core pad for the paper diaper.

The application provides a panty-shape diapers adopt following technical scheme with water retaining no fault core pad:

the utility model provides a panty-shape diapers are with no fault core pad of moisturizing, includes the basic unit, the sub-surface recombination of basic unit has a guarantor's water layer, guarantor's water layer includes first water retention layer and compounds in the layer is protected to the second of terminal surface under the first water retention layer, first water retention layer lower surface dot matrix is provided with the first recess of placing of a plurality of, the guarantor's water layer upper surface dot matrix of second is provided with a plurality of second and places the recess, the recess is placed with corresponding to the second first recess one-to-one of placing forms a plurality of and places the cavity, each place and be provided with the expanded imbibition spheroid of imbibition in the cavity.

Through adopting above-mentioned technical scheme, can expand after the imbibition spheroid absorbs liquid, this application is provided with places the cavity, and the size of the inflation after the imbibition spheroid of the big or small accessible unit mass who places the cavity absorbs liquid designs, places the cavity and can hold the imbibition inflation ball that expands after absorbing water to the fault's that sticks together possibility has been reduced to this application emergence.

The utility model discloses further set up to: the imbibing sphere comprises a water-soluble outer coating and a water-soluble inner coating; the inner coating is arranged in the outer coating, and fluff pulp is filled between the outer coating and the inner coating; the inner coating is internally provided with super absorbent resin powder.

Through adopting above-mentioned technical scheme, fluff pulp and super absorbent resin powder all can absorb liquid, because super absorbent resin powder absorbs water the inflation after the texture is on the hard side, fluff pulp texture is on the soft side, when high imbibition spheroid is absorbed liquid, the fine hair treats that outer capsule melts the back, liquid is at first adsorbed by the fluff pulp, after the fluff pulp absorbed a certain amount of liquid, can make the inlayer capsule melt, super absorbent resin powder can carry out the imbibition inflation, because the softer fluff pulp of texture wraps up outside super absorbent resin, make this application can not produce the harder normal activity that plays to stick together and influence the baby of texture.

The utility model discloses further set up to: a plurality of first diversion trenches are formed in the first water retaining layer, the length direction of each first diversion trench is consistent with the thickness direction of the first water retaining layer, and the first diversion trenches are arranged above the first placement grooves and communicated with the first placement grooves.

Through adopting above-mentioned technical scheme, the effect of water conservancy diversion can be played to liquid to the setting of first guiding gutter for liquid flows to placing the cavity through first guiding gutter as far as possible, absorbs through the imbibition spheroid of placing the cavity.

The utility model discloses further set up to: a plurality of second guiding gutters are formed in the first water retaining layer, the second guiding gutters are horizontally arranged, one second guiding gutter is arranged between every two adjacent first placing grooves, and two ends of each second guiding gutter are communicated with the two adjacent first placing grooves.

Through adopting above-mentioned technical scheme, the setting of second guiding gutter can carry out the water conservancy diversion to two adjacent liquid of placing in the cavity, and when one placed liquid in the cavity too much, liquid accessible second guiding gutter flows to other and places the cavity, places the imbibition spheroid in the cavity through other and carries out the absorption of liquid.

The utility model discloses further set up to: a plurality of third guiding gutter has been seted up on the guarantor's water layer of second, third guiding gutter level sets up, the third guiding gutter sets up in adjacent the recess is placed to the second between, each the third guiding gutter both ends all rather than adjacent two the recess intercommunication is placed to the second.

Through adopting above-mentioned technical scheme, the setting of third guiding gutter can carry out the water conservancy diversion to two adjacent liquid of placing in the cavity, and when one placed liquid in the cavity too much, liquid accessible third guiding gutter flows to other and places the cavity, places the imbibition spheroid in the cavity through other and carries out the absorption of liquid.

The utility model discloses further set up to: a flow guide layer is arranged between the water retention layer and the base layer and comprises a first flow guide layer and a first dust-free paper layer, a plurality of small holes are formed in the first flow guide layer in a dot matrix manner, and a plurality of vertically arranged polypropylene fiber wires are filled in each small hole; the first flow guide layer is compounded on the upper end face of the first dust-free paper layer, one end of the polypropylene fiber yarn is in contact with the base layer, and the other end of the polypropylene fiber yarn is in contact with the first dust-free paper layer.

Through adopting above-mentioned technical scheme, the intraformational polypropylene fibre line of first water conservancy diversion can carry out the water conservancy diversion to liquid for liquid flows relatively evenly to first dust-free paper layer after the polypropylene fibre line is followed vertical direction water conservancy diversion and keeps in, and liquid after the short-time absorption evenly diffuses to first water retaining layer.

The utility model discloses further set up to: the flow guide layer further comprises a second flow guide layer and a second dust-free paper layer, the second flow guide layer is of a net structure formed by plain weaving of polypropylene warps and polypropylene wefts, the second flow guide layer is compounded on the lower end face of the first dust-free paper layer, and the second dust-free paper layer is compounded on the lower end face of the second flow guide layer.

By adopting the technical scheme, after the liquid is guided by the first flow guide layer and the first dust-free paper layer, the liquid can be further diffused by the net structure of the second flow guide layer through uniformly flowing into the first flow guide layer, so that the liquid can be more uniformly diffused into the first water retention layer.

The utility model discloses further set up to: the base layer comprises an antibacterial moisture-conducting acrylic fiber layer, and the antibacterial moisture-conducting acrylic fiber layer is compounded on the upper surface of the water retention layer.

Through adopting above-mentioned technical scheme, the fabric layer of direct and baby's skin contact during basic unit, antibiotic wet acrylic fiber layer utensil is antibiotic, mould proof, deodorization, soft effect, comfort level and antibacterial capacity when can improving this application use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. can expand behind the imbibition spheroid absorption liquid, this application is provided with places the cavity, and the size of placing the cavity after the imbibition spheroid absorption liquid of big or small accessible unit mass designs, places the cavity and can hold the imbibition inflation ball that swells after absorbing water to the probability of the fault that sticks together has been reduced to this application emergence.

2. The setting of second guiding gutter and third guiding gutter can carry out the water conservancy diversion to adjacent two liquid of placing in the cavity, and when one placed liquid in the cavity when too much, liquid accessible second guiding gutter and third guiding gutter flow to other and place the cavity, and the imbibition spheroid of placing in the cavity through other carries out the absorption of liquid.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a partially enlarged view of a in fig. 1.

FIG. 3 is a schematic view of the entire structure of embodiment 2.

Fig. 4 is a schematic structural view of the first current guiding layer in embodiment 2.

FIG. 5 is a schematic view of the entire structure of embodiment 3.

Fig. 6 is a schematic structural view of a second current guiding layer in embodiment 3.

FIG. 7 is a schematic view of the entire structure of embodiment 4.

Description of reference numerals: 1. a base layer; 11. a first nonwoven layer; 12. an antibacterial moisture-conducting acrylic fiber layer; 13. a second nonwoven layer; 2. a water retention layer; 21. a first water retention layer; 211. a first placing groove; 22. a second water-retaining layer; 221. a second placing groove; 23. placing the cavity; 24. imbibition sphere; 241. coating the outer layer; 242. fluff pulp; 243. coating the inner layer; 244. a super absorbent resin powder; 25. a first diversion trench; 26. a second guiding gutter; 27. a third guiding gutter; 3. a shaping layer; 31. a third nonwoven layer; 32. a PE polymer breathable film layer; 33. a fourth nonwoven layer; 4. a flow guiding layer; 41. a first current guiding layer; 411. polypropylene fiber yarns; 42. a first dust-free paper layer; 43. a second current guiding layer; 431. polypropylene warp yarns; 432. polypropylene fiber weft; 44. a second dust-free paper layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a water-retaining faultless core pad for a paper diaper.

Example 1:

referring to fig. 1 and 2, the water-retaining non-fault core pad for the paper diaper comprises a base layer 1, a water-retaining layer 2 compounded on the lower surface of the base layer 1, and a shaping layer 3 compounded on the water-retaining layer 2. The water retention layer 2 comprises a first water retention layer 21 and a second water retention layer 22, the second water retention layer 22 and the first water retention layer 21 are TPU thin films made of TPU particles through calendaring, tape casting, film blowing and coating, a plurality of first placing grooves 211 are formed in the lower end face of the first water retention layer 21 through a die in the tape casting process, and the plurality of first placing grooves 211 are uniformly distributed in a dot matrix manner on the lower end face of the first water retention layer 21; the second water-retaining layer 22 is formed with a plurality of second placing grooves 221 on the upper end surface thereof through a mold in the casting process, and the plurality of second placing grooves 221 are uniformly distributed in a dot matrix manner on the upper end surface of the second water-retaining layer 22; the layer 22 of guarantor's water of second passes through the hot melt adhesive and links to each other in first water conservation layer 21 lower surface, and the recess is placed to a plurality of 211 and a plurality of second and a plurality of 221 docks one by one and forms a plurality of and place cavity 23, and each is placed and all is provided with the imbibition spheroid 24 that is used for absorbing liquid in the cavity 23.

The base layer 1 comprises a first non-woven fabric layer 11, an antibacterial moisture-conducting acrylic fiber layer 12 and a second non-woven fabric layer 13, wherein the antibacterial moisture-conducting acrylic fiber layer 12 is arranged between the first non-woven fabric layer 11 and the second non-woven fabric layer 13, the first non-woven fabric layer 11 and the second non-woven fabric layer 13 are both formed by processing non-woven fabrics, the upper end face of the antibacterial moisture-conducting acrylic fiber layer 12 is connected to the lower end face of the first non-woven fabric layer 11 through hot melt adhesive, the lower end face of the antibacterial moisture-conducting acrylic fiber layer 12 is connected to the upper end face of the second non-woven fabric layer 13 through hot melt adhesive, the antibacterial moisture-conducting acrylic fiber layer 12 is formed by processing antibacterial moisture-conducting acrylic fibers, the antibacterial moisture-conducting acrylic fibers are made of a Chitosante activating agent, and the manufactured fabric has functions of antibiosis, mildew prevention, deodorization, softness and the like.

Liquid flows into first water retention layer 21 behind basic unit 1, for make liquid flow into to first place in the recess 211 as much as possible, set up the first guiding gutter 25 of a plurality of upper and lower end intercommunication on the first water retention layer 21, the equal vertical setting of a plurality of first guiding gutter 25, the lower extreme of each first guiding gutter 25 all with first place recess 211 intercommunication, each first guiding gutter 25 upper end supports to lean on in second non-woven fabrics layer 13 lower extreme.

In order to reduce the local excessive phenomenon of liquid, a plurality of second diversion trenches 26 horizontally arranged are formed in the first water-retaining layer 21, a second diversion trench 26 is formed between every two adjacent first placing grooves 211, two ends of each second diversion trench 26 are communicated with the two adjacent first placing grooves 211, and when liquid in one first diversion trench 25 is excessive, the liquid can flow into other first diversion trenches 25 through the second diversion trenches 26. The water-retaining layer 22 of the second is provided with a plurality of third diversion trenches 27 arranged horizontally, two adjacent second placing grooves 221 are provided with one third diversion trench 27, two ends of each third diversion trench 27 are communicated with the two adjacent second placing grooves 221, and when one second placing groove 221 is filled with too much liquid, the liquid can flow into other second diversion trenches 26 through the third diversion trenches 27.

The liquid absorbing sphere 24 comprises an outer coating 241 and an inner coating 243 arranged inside the outer coating 241, wherein both the outer coating 241 and the inner coating 243 are HPMC hollow spheres made of soluble HPMC through a die, in the process of die forming, super absorbent resin powder 244 is filled in the inner coating 243, the super absorbent resin powder 244 has certain hardness after absorbing liquid and expanding, and soft fluff pulp 242 is filled between the outer coating 241 and the inner coating 243, so that when liquid enters the placing cavity 23, the liquid firstly dissolves the outer coating 241, the fluff pulp 242 firstly absorbs the liquid, after the fluff pulp 242 absorbs a certain amount of liquid, the inner coating 243 inside the super absorbent resin dissolves, and the super absorbent resin starts to absorb the liquid and expands to be coated inside the fluff pulp 242.

The shaping layer 3 includes a third nonwoven fabric layer 31, a PE polymer air-permeable film layer 32, and a fourth nonwoven fabric layer 33, the PE polymer air-permeable film layer 32 is a film with good moisture resistance produced by processing PE particles through a film blowing machine, the third nonwoven fabric layer 31 is compounded on the lower end surface of the second water-retaining layer 22 through hot pressing, the PE polymer air-permeable film layer 32 is connected to the lower end surface of the PP spun-bonded nonwoven fabric layer through hot pressing, the fourth nonwoven fabric layer 33 is compounded on the lower end surface of the PE polymer air-permeable film layer 32 through hot pressing, both the third nonwoven fabric layer 31 and the fourth nonwoven fabric layer 33 are formed by processing nonwoven fabrics, and the third nonwoven fabric layer 31 and the fourth nonwoven fabric layer 33 are arranged to protect the PE polymer air-permeable film layer 32.

The implementation principle of the embodiment 1 is as follows: liquid sequentially penetrates into the first water-retaining layer 21 through the first non-woven fabric layer 11, the antibacterial moisture-conducting acrylic fiber layer 12 and the second non-woven fabric layer 13, the liquid flows into the placing cavity 23 through the first placing groove 211 on the first water-retaining layer 21, and the liquid absorption ball 24 arranged in the placing cavity 23 can absorb the liquid.

Example 2:

referring to fig. 3 and 4, the difference between this embodiment and embodiment 1 is that the embodiment further includes a flow guiding layer 4, the flow guiding layer 4 includes a first flow guiding layer 41 and a first dust-free paper layer 42, an upper end surface of the first flow guiding layer 41 is thermally pressed and compounded on a lower end surface of the second nonwoven fabric layer 13, a lower end surface of the first flow guiding layer 41 is thermally pressed and compounded on an upper end surface of the first dust-free paper layer 42, the first flow guiding layer 41 is a TPU film made of TPU particles through calendaring, tape casting, film blowing and coating, and a plurality of small holes communicated with upper and lower ends are formed in a dot matrix manner on the first flow guiding layer 41, since moisture absorption of polypropylene is very small, moisture regain under atmospheric conditions is close to zero, a plurality of polypropylene fiber wires 411 are filled in each small hole of the first flow guiding layer 41, the plurality of polypropylene fiber wires 411 are vertically arranged, an upper end of each polypropylene fiber wire 411 abuts against a lower end surface of the second nonwoven fabric layer 13, a lower end of each polypropylene fiber wire 411 abuts against a lower end surface of the second nonwoven fabric layer 13, the lower end face of the first dust-free paper layer 42 is connected to the upper end face of the first water-retaining layer 21 through hot melt adhesive, and the liquid guided by the first flow guiding layer 41 flows into the first dust-free paper layer 42 for temporary storage and then flows into the first water-retaining layer 21.

Example 3:

referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that the present embodiment further includes a flow guiding layer 4, the flow guiding layer 4 includes a second flow guiding layer 43 and a second dust-free paper layer 44, an upper end surface of the second flow guiding layer 43 is thermally press-combined with a lower end surface of the second nonwoven fabric layer 13, a lower end surface of the second flow guiding layer 43 is thermally press-combined with an upper end surface of the second dust-free paper layer 44, a lower end surface of the second dust-free paper layer 44 is attached to an upper end surface of the first water retaining layer 21 by hot melt adhesive, the second flow guiding layer 43 is a mesh structure formed by weaving polypropylene warp yarns 431 and polypropylene weft yarns 432 in a flat manner, a distance between two adjacent polypropylene warp yarns 431 is equal everywhere, a distance between two adjacent polypropylene weft yarns 432 is equal everywhere, moisture absorption of polypropylene is low, moisture regain under atmospheric conditions is close to zero, the polypropylene warp yarns 431 and the polypropylene weft yarns 432 are both processed by polypropylene, the mesh structure of the second flow guiding layer 43 can guide liquid, the possibility of local excess liquid is reduced, and the liquid guided by the second guiding layer 43 flows into the second dust-free paper layer 44 for temporary storage and then flows into the first water-retaining layer 21.

Example 4:

referring to fig. 7, the present embodiment is different from embodiment 1 in that the present embodiment further includes a flow guide layer 4, the flow guide layer 4 includes a first flow guide layer 41 and a first dust-free paper layer 42 sequentially disposed, the upper end surface of the first flow guide layer 41 is thermally pressed and compounded on the lower end surface of the second nonwoven fabric layer 13, the lower end surface of the first flow guide layer 41 is thermally pressed and compounded on the upper end surface of the first dust-free paper layer 42, the lower end surface of the first dust-free paper layer 42 is connected to the upper end surface of the second flow guide layer 43 through hot melt adhesive, the liquid guided by the first flow guide layer 41 flows into the first dust-free paper layer 42 for temporary storage and then flows into the second flow guide layer 43, the lower end surface of the second flow guide layer 43 is thermally pressed and compounded on the upper end surface of the second dust-free paper layer 44, the lower end surface of the second dust-free paper layer 44 is connected to the upper end surface of the first water retaining layer 21 through hot melt adhesive, and the liquid guided by the second flow guide layer 43 flows into the second dust-free paper layer 44 for temporary storage and then flows into the first water retaining layer 21.

The implementation principle of the embodiment 4 is as follows: liquid passes through the first non-woven fabric layer 11, the antibacterial moisture-conducting acrylic fiber layer 12, the second non-woven fabric layer 13, the first flow guide layer 41, the first dust-free paper layer 42, the second flow guide layer 43 and the second dust-free paper layer 44 in sequence and finally permeates into the first water-retaining layer 21, flows into the placing cavity 23 through the first placing groove 211 on the first water-retaining layer 21, and can be absorbed by the liquid-absorbing ball 24 arranged in the placing cavity 23.

Claims

1. The utility model provides a panty-shape diapers are with no fault of moisturizing core pad, includes basic unit (1), basic unit (1) sub-surface complex has water layer (2), water layer (2) sub-surface complex has shaping layer (3), its characterized in that: keep water layer (2) including first water retention layer (21) and compound in the water layer (22) are protected to the second of terminal surface under first water retention layer (21), first water retention layer (21) lower surface dot matrix is provided with a plurality of and first places recess (211), the water layer (22) upper surface dot matrix is protected to the second is provided with a plurality of second and places recess (221), the second is placed recess (221) and is corresponding first place recess (211) butt joint one by one and form a plurality of and place cavity (23), each place and be provided with the expanded imbibition spheroid (24) of imbibition in cavity (23).

2. The water-retaining non-fault core pad for the paper diaper according to claim 1, characterized in that: the liquid absorbing sphere (24) comprises a water-soluble outer coating (241) and a water-soluble inner coating (243); the inner layer coating (243) is arranged in the outer layer coating (241), and fluff pulp (242) is filled between the outer layer coating (241) and the inner layer coating (243); the inner coating (243) is internally provided with super absorbent resin powder (244).

3. The water-retaining non-fault core pad for the paper diaper according to claim 2, characterized in that: a plurality of first diversion trenches (25) are formed in the first water retaining layer (21), the length direction of each first diversion trench (25) is consistent with the thickness direction of the first water retaining layer (21), and the first diversion trenches (25) are arranged above the first placement groove (211) and communicated with the first placement groove (211).

4. The water-retaining non-fault core pad for the paper diaper according to claim 3, characterized in that: a plurality of second guiding gutters (26) are arranged on the first water retaining layer (21), the second guiding gutters (26) are horizontally arranged, one second guiding gutter (26) is arranged between every two adjacent first placing grooves (211), and two ends of each second guiding gutter (26) are communicated with the two adjacent first placing grooves (211).

5. The water-retaining non-fault core pad for the paper diaper according to claim 3, characterized in that: a plurality of third guiding gutter (27) have been seted up in guarantor's water layer (22) of second, third guiding gutter (27) level sets up, and is adjacent the second is placed all to be provided with one between recess (221) third guiding gutter (27), each third guiding gutter (27) both ends all rather than adjacent two recess (221) intercommunication is placed to the second.

6. The water-retaining non-fault core pad for the paper diaper according to claim 3, characterized in that: a flow guide layer (4) is arranged between the water retention layer (2) and the base layer (1), the flow guide layer (4) comprises a first flow guide layer (41) and a first dust-free paper layer (42), a plurality of small holes are formed in the first flow guide layer (41) in a dot matrix manner, and a plurality of vertically arranged polypropylene fiber wires (411) are filled in each small hole; the first flow guide layer (41) is compounded on the upper end face of the first dust-free paper layer (42), one end of the polypropylene fiber wire (411) is in contact with the base layer (1) and the other end of the polypropylene fiber wire is in contact with the first dust-free paper layer (42).

7. The water-retaining non-fault core pad for the paper diaper according to claim 6, characterized in that: the flow guide layer (4) further comprises a second flow guide layer (43) and a second dust-free paper layer (44), the second flow guide layer (43) is a net structure formed by plain weaving of polypropylene warps (431) and polypropylene wefts (432), the second flow guide layer (43) is compounded on the lower end face of the first dust-free paper layer (42), and the second dust-free paper layer (44) is compounded on the lower end face of the second flow guide layer (43).

8. The water-retaining non-fault core pad for the paper diaper according to claim 1, characterized in that: the base layer (1) comprises an antibacterial moisture-conducting acrylic fiber layer (12), and the antibacterial moisture-conducting acrylic fiber layer (12) is compounded on the upper surface of the water retention layer (2).