A kind of absorptive core in paper diaper
Technical field
The utility model relates to infant's sanitary care articles, and in particular to a kind of absorptive core in paper diaper.
Background technique
The realization of paper diaper absorbent function relies primarily on its internal core, which is generally disposed in paper diaper
Portion, the superiority and inferiority of core water absorbing properties are to evaluate the important indicator of paper diaper quality quality, therefore the core key technology of paper diaper
It is core.
Currently, the core of paper diaper is broadly divided into wood pulp core and absorptive core structure in the market.Wood pulp core is
It being mixed to form by wood pulp plus hydroscopic high-molecular resin, the infiltration rate of wooden oar core is fast, flow conductivity good, but water-retaining property is poor, and
And easily rise and stick together after absorbing water, tomography, greatly reduce snugness of fit.Absorptive core is on the loft non-woven cloth by dust-free paper package
The structure of uniform load super absorbent resin, absorbing component are mainly super absorbent resin, are free of wood pulp.Absorptive core paper diaper have
The advantages that soft, frivolous, good permeability, but there is also the macromolecules after absorption can block lower bleed-through road for absorptive core structure, inhales
Receive the problems such as speed slows down, is flow conductivity poor.Absorptive core paper diaper it is universal problem appear to is that only first half absorb or after
Half part absorbs, and liquid communication is less than another side, the case where infant will appear side leakage, back leak or diaper rash in use.
Therefore, it is necessary to provide the absorptive core in a kind of paper diaper, wood pulp structural core and absorptive core can be integrated
Advantage, solve wood pulp structure paper diaper easily rise the tomography that sticks together defect and absorptive core paper diaper it is flow conductivity it is poor, reverse osmosis is apparent
Problem.
Utility model content
The purpose of this utility model is to provide a kind of absorptive cores in paper diaper, to solve existing paper diaper
Easily act the problems such as stick together tomography, guide performance are poor, reverse osmosis obvious.
To achieve the above object, the technical solution of the utility model is to provide a kind of absorptive core in paper diaper,
The absorptive core includes hydrophilic surface layer, the first water absorption layer, guide layer, the second water absorption layer, water repellent surface layer, bar shaped adhesive-layer and face
Shape adhesive-layer, multiple flow guiding slits are provided on the guide layer, and the flow guiding slit is strip and the thickness through guide layer
Direction, the multiple flow guiding slit are arranged at intervals at the guide layer, the hydrophilic surface layer, described first along guide layer length direction
Water absorption layer, the guide layer, second water absorption layer and the water repellent surface layer are set gradually from top to bottom;The bar shaped adhesive-layer
Including multiple adhesive strip roads, the multiple adhesive strip curb bar shaped adhesive-layer length direction is arranged in parallel, so that two neighboring institute
State and form flow-guiding channel between adhesive strip road, the bar shaped adhesive-layer be set to the hydrophilic surface layer and first water absorption layer it
Between, between first water absorption layer and the guide layer between the guide layer and second water absorption layer, by the parent
Surface layer of water, first water absorption layer, the guide layer, second water absorption layer) bonding form complex;The face shape adhesive-layer
For one layer of adhesive-layer, the face shape adhesive-layer is set between second water absorption layer and the water repellent surface layer, the complex
It is bonded to form an entirety with the water repellent surface layer.
As a kind of perferred technical scheme, to be provided with first between first water absorption layer and the guide layer fluffy
Layer, passes through institute between first water absorption layer and first loft layer, between first loft layer and the guide layer
State bar shaped adhesive-layer bonding;Be provided with the second loft layer between the guide layer and second water absorption layer, the guide layer with
Between second loft layer, it is Nian Jie by the bar shaped adhesive-layer between second loft layer and second water absorption layer.
As a kind of perferred technical scheme, the hydrophilic surface layer is hydrophilic nonwoven layer of cloth, and the water repellent surface layer is water repellent
Nonwoven layer.
As a kind of perferred technical scheme, first water absorption layer is bar polymer water-absorbing resin layer, the bar shaped
Hydroscopic high-molecular resin floor includes multiple hydroscopic high-molecular resin roads, described in the multiple hydroscopic high-molecular resin article curb
The interruption setting of one water absorption layer length direction, and the bar polymer water-absorbing resin layer is between upper and lower two flow-guiding channel.
As a kind of perferred technical scheme, the guide layer is wood pulp fiber layer.
As a kind of perferred technical scheme, first loft layer and second loft layer are fluffy cotton layer or fluffy
Nonwoven layer.
As a kind of perferred technical scheme, second water absorption layer is face shape hydroscopic high-molecular resin layer, the face shape
Hydroscopic high-molecular resin layer is one layer of continuous hydroscopic high-molecular resin layer.
As a kind of perferred technical scheme, the integral thickness for the absorptive core in paper diaper is not more than
5.0mm。
The utility model has the advantages that
(1) the utility model relates to the first water absorption layer and the are provided in structure for the absorptive core in paper diaper
Two water absorption layers, two water absorption layers centres are provided with a guide layer.The material of water absorption layer is high hydroscopic resin, the material of guide layer
For wood pulp cellulose, this structure setting takes full advantage of the advantage that guide layer wood pulp cellulose infiltration rate is fast, diversion effect is good, then
In conjunction with the advantage of the high water absorbing and retaining performances of water absorption layer high hydroscopic resin, realize paper diaper surface dry and high diffusivity.
(2) the utility model relates to absorptive core the first water absorption layer and the second water absorption layer that are designed in structure, first inhales
Bar shaped distribution is presented in the high hydroscopic resin of water layer, allows fluid to quickly be absorbed into lower layer, along guide layer longitudinal diffusion,
On the one hand make most of liquid accumulation in lower layer, improve the surface dry of paper diaper, on the other hand avoid expansion
High hydroscopic resin blocks lower bleed-through road, improves the gas permeability of paper diaper, to increase snugness of fit.
(3) the utility model relates to absorptive core guide layer on be arranged at intervals with multiple strips being parallel to each other
The flow guiding slit of penetrability, the moisture that the water absorption layer close to hydrophilic surface layer can be enable to absorb pass through guide layer and are flowed out outward by interior;
The second water absorption layer being arranged can adsorb the moisture flowed out from guide layer in time, further dredge moisture outward by interior;First is fluffy
The setting of loose layer and the second loft layer, for fixed and disperse the high hydroscopic resin after water suction, avoid moisture undue concentration,
Increase the ability of absorptive core dispersion moisture;The flow-guiding channel between multiple adhesive strip roads being arranged on bar shaped adhesive-layer is protected
It has demonstrate,proved the moisture penetration between each structure sheaf or has spread more smooth.The utility model devises in structure to be inhaled by first together
Water layer, the first loft layer, guide layer, the second loft layer, the bar shaped adhesive-layer group of the second water absorption layer and its connection between layers
At Water Transport channel, moisture, which is obedient to this channel, to be transmitted outward from interior;And while transmission, moisture can be by first
Water absorption layer, the first loft layer, the second loft layer and the second water absorption layer adsorption storage, thus show on the whole preferable flow conductivity
Energy.
Detailed description of the invention
Fig. 1 is that the absorptive core that embodiment 1 and embodiment 2 provide is set to paper diaper position view.
Fig. 2 is the structural schematic diagram for the absorptive core in paper diaper that embodiment 1 and embodiment 2 provide.
Fig. 3 is the plan view for the guide layer that embodiment 1 and embodiment 2 provide.
Fig. 4 is the elevational view for the bar shaped adhesive-layer that embodiment 1 and embodiment 2 provide.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
The present embodiment 1 provides a kind of absorptive core in paper diaper, below with reference to figure to the structure of the utility model
It is described in detail.
With reference to Fig. 1, which is the key components being generally disposed in paper diaper 200, for absorbing baby
The moisture of child's skin side infiltration, therefore the superiority and inferiority of 300 water absorbing properties of absorptive core is to evaluate the weight of 200 quality of paper diaper quality
Want index.
With reference to Fig. 2, which includes the hydrophilic surface layer 11 set gradually from top to bottom, the first water absorption layer 21, first
It loft layer 51, guide layer 3, the second water absorption layer 22, the second loft layer 52 and water repellent surface layer 12 and is set between structure sheaf
Bar shaped adhesive-layer 4 and face shape adhesive-layer 5, bar shaped adhesive-layer 4 is set between hydrophilic surface layer 11 and the first water absorption layer 21, first inhales
Between water layer 21 and the first loft layer 51, between the first loft layer 51 and guide layer 3, between guide layer 3 and the second loft layer 52,
Between second loft layer 52 and the second water absorption layer 22, by hydrophilic surface layer 11, the first water absorption layer 21, the first loft layer 51, water conservancy diversion
The 3, second loft layer 52 of layer, the second water absorption layer 22 form complex by the bonding of bar shaped adhesive-layer 4;Face shape adhesive-layer 5 is one layer
Fine and close adhesive-layer, face shape adhesive-layer 5 are set between the second water absorption layer 22 and water repellent surface layer 12, complex and water repellent surface layer 12
It is bonded by face shape adhesive-layer 5 and forms an entirety.
With reference to Fig. 3, it is provided with multiple flow guiding slits 31 on guide layer 3, flow guiding slit 31 is strip and through guide layer 3
Thickness direction, multiple flow guiding slits 31 are arranged at intervals at guide layer 3 along 3 length direction of guide layer.The setting of flow guiding slit 31 can make
The moisture absorbed close to the first water absorption layer 21 of hydrophilic surface layer 11 can pass through guide layer 3 and be flowed out outward by interior.
With reference to Fig. 4, bar shaped adhesive-layer 4 includes multiple adhesive strip roads 41, and multiple adhesive strip roads 41 are along 4 length of bar shaped adhesive-layer
Direction is arranged in parallel, so that forming flow-guiding channel 42 between two neighboring adhesive strip road 41.The setting of flow-guiding channel 42, ensure that
Moisture penetration or diffusion between each structure sheaf is more smooth.
As a kind of specific embodiment, the first water absorption layer 21 is bar polymer water-absorbing resin layer, bar polymer
Water-absorbing resin floor includes multiple hydroscopic high-molecular resin roads, multiple 21 length of the first water absorption layer of hydroscopic high-molecular resin curb
Directional discontinuity setting, and bar polymer water-absorbing resin layer is between upper and lower two flow-guiding channel 42.Second water absorption layer 22 is face
Shape hydroscopic high-molecular resin layer, face shape hydroscopic high-molecular resin layer are one layer of continuous hydroscopic high-molecular resin layer.
Further, the material of hydrophilic surface layer 11 is hydrophilic nonwoven fabrics, and the material on water repellent surface layer 12 is water repellent nonwovens.It leads
The material of fluid layer 3 is wood pulp fiber, and the material of the first loft layer 51 and the second loft layer 52 is fluffy cotton.11 surface layer of hydrophilic surface layer
It is provided with hydrophilic substance, shows stronger hydrophilic adsorption performance, hydroscopic high-molecular resin, wood pulp fiber and fluffy cotton these materials
Matter all has soft, frivolous and good air permeability characteristic, thus infant uses, and can feel more comfortable.
The utility model devised in structure together by hydrophilic surface layer 11, the first water absorption layer 21, the first loft layer 51, lead
Fluid layer 3, the second loft layer 52, the second water absorption layer 22 and water repellent surface layer 12 and its connection between layers 4 groups of bar shaped adhesive-layer
At Water Transport channel 100, moisture by hydrophilic surface layer 11 absorption absorb after, this channel can be obedient to and sequentially pass through first item
The flow-guiding channel 42 of shape adhesive-layer 4, the flow-guiding channel 42 of first 21, second bar shaped adhesive-layers 4 of water absorption layer, the first loft layer
51, the water conservancy diversion of the flow-guiding channel 42 of third bar shaped adhesive-layer 4, the flow guiding slit 31 on guide layer 3, the 4th bar shaped adhesive-layer 4
Channel 42, the second loft layer 52, the 5th bar shaped adhesive-layer 4 flow-guiding channel 42, reach the second water absorption layer 22, realize water
Divide in Water Transport channel 100 from interior toward other places transmission.For moisture while transmission, moisture can be by the first water absorption layer 21, the
22 adsorption storage of one loft layer 51, the second loft layer 52 and the second water absorption layer, thus preferable guide performance is shown on the whole.
As a kind of perferred technical scheme, it is not more than 5.0mm for the integral thickness of the absorptive core in paper diaper.
Embodiment 2
The present embodiment 2 provides a kind of absorptive core in paper diaper, below with reference to figure to the structure of the utility model
It is described in detail.
With reference to Fig. 1, which is the key components being generally disposed in paper diaper 200, for absorbing baby
The moisture of child's skin side infiltration, therefore the superiority and inferiority of 300 water absorbing properties of absorptive core is to evaluate the weight of 200 quality of paper diaper quality
Want index.
With reference to Fig. 2, which includes the hydrophilic surface layer 11 set gradually from top to bottom, the first water absorption layer 21, first
It loft layer 51, guide layer 3, the second water absorption layer 22, the second loft layer 52 and water repellent surface layer 12 and is set between structure sheaf
Bar shaped adhesive-layer 4 and face shape adhesive-layer 5, bar shaped adhesive-layer 4 is set between hydrophilic surface layer 11 and the first water absorption layer 21, first inhales
Between water layer 21 and the first loft layer 51, between the first loft layer 51 and guide layer 3, between guide layer 3 and the second loft layer 52,
Between second loft layer 52 and the second water absorption layer 22, by hydrophilic surface layer 11, the first water absorption layer 21, the first loft layer 51, water conservancy diversion
The 3, second loft layer 52 of layer, the second water absorption layer 22 form complex by the bonding of bar shaped adhesive-layer 4;Face shape adhesive-layer 5 is one layer
Fine and close adhesive-layer, face shape adhesive-layer 5 are set between the second water absorption layer 22 and water repellent surface layer 12, complex and water repellent surface layer 12
It is bonded by face shape adhesive-layer 5 and forms an entirety.
With reference to Fig. 3, it is provided with multiple flow guiding slits 31 on guide layer 3, flow guiding slit 31 is strip and through guide layer 3
Thickness direction, multiple flow guiding slits 31 are arranged at intervals at guide layer 3 along 3 length direction of guide layer.The setting of flow guiding slit 31 can make
The moisture absorbed close to the first water absorption layer 21 of hydrophilic surface layer 11 can pass through guide layer 3 and be flowed out outward by interior.
With reference to Fig. 4, bar shaped adhesive-layer 4 includes multiple adhesive strip roads 41, and multiple adhesive strip roads 41 are along 4 length of bar shaped adhesive-layer
Direction is arranged in parallel, so that forming flow-guiding channel 42 between two neighboring adhesive strip road 41.The setting of flow-guiding channel 42, ensure that
Moisture penetration or diffusion between each structure sheaf is more smooth.
As a kind of specific embodiment, the first water absorption layer 21 is bar polymer water-absorbing resin layer, bar polymer
Water-absorbing resin floor includes multiple hydroscopic high-molecular resin roads, multiple 21 length of the first water absorption layer of hydroscopic high-molecular resin curb
Directional discontinuity setting, and bar polymer water-absorbing resin layer is between upper and lower two flow-guiding channel 42.Second water absorption layer 22 is face
Shape hydroscopic high-molecular resin layer, face shape hydroscopic high-molecular resin layer are one layer of continuous hydroscopic high-molecular resin layer.
Further, the material of hydrophilic surface layer 11 is hydrophilic nonwoven fabrics, and the material on water repellent surface layer 12 is water repellent nonwovens.It leads
The material of fluid layer 3 is wood pulp fiber, and the material of the first loft layer 51 and the second loft layer 52 is loft non-woven cloth.Hydrophilic surface layer 11
Surface layer is provided with hydrophilic substance, shows stronger hydrophilic adsorption performance, hydroscopic high-molecular resin, wood pulp fiber and loft non-woven
These materials of cloth all have soft, frivolous and good air permeability characteristic, thus infant uses, and can feel more comfortable.
The utility model devised in structure together by hydrophilic surface layer 11, the first water absorption layer 21, the first loft layer 51, lead
Fluid layer 3, the second loft layer 52, the second water absorption layer 22 and water repellent surface layer 12 and its connection between layers 4 groups of bar shaped adhesive-layer
At Water Transport channel 100, moisture by hydrophilic surface layer 11 absorption absorb after, this channel can be obedient to and sequentially pass through first item
The flow-guiding channel 42 of shape adhesive-layer 4, the flow-guiding channel 42 of first 21, second bar shaped adhesive-layers 4 of water absorption layer, the first loft layer
51, the water conservancy diversion of the flow-guiding channel 42 of third bar shaped adhesive-layer 4, the flow guiding slit 31 on guide layer 3, the 4th bar shaped adhesive-layer 4
Channel 42, the second loft layer 52, the 5th bar shaped adhesive-layer 4 flow-guiding channel 42, reach the second water absorption layer 22, realize water
Divide in Water Transport channel 100 from interior toward other places transmission.For moisture while transmission, moisture can be by the first water absorption layer 21, the
22 adsorption storage of one loft layer 51, the second loft layer 52 and the second water absorption layer, thus preferable guide performance is shown on the whole.
As a kind of perferred technical scheme, it is not more than 5.0mm for the integral thickness of the absorptive core in paper diaper.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.