A kind of lateral leakage protection sanitary absorbent article
Technical field
The utility model belongs to sanitary care article technical field more particularly to a kind of lateral leakage protection sanitary absorbent article.
Background technique
With the development of the times, consumer is also constantly changing the use idea of sanitary absorbent article, in addition to requiring
Sanitary absorbent article meets using except the good basic function of comfortable, absorbability, to wanting for the leak resistance of sanitary absorbent article
Ask higher and higher.
By taking sanitary napkin as an example, women makes clothing dirty through liquid and secretion spilling or side leakage phenomenon in intermenstrual period in order to prevent
The brings such as object are inconvenient, and people devise the sanitary napkin with anti-side leakage effect of a variety of patterns and specification at present.For example, in order to
The generation of side leakage phenomenon is prevented, generally increases three-dimensional leakage-proof structure in sanitary absorbent article, but limb activity of people etc.
Factor is easy so that the deformation of this stereochemical structure or disappearance;Therefore, and someone is using the elastic support stereoscopic leakproof structure, makes
The stereoscopic leakproof structure it is more stable, but rubber elasticity again can strangle skin so that the comfort level of sanitary absorbent article
It reduces.
Chinese patent CN203647586U discloses a kind of comprehensive Leakproof sanitary towl, in the surface layer of sanitary napkin ontology
It is evenly distributed with and prevents bleeding back hole, the water absorption layer of the sanitary napkin ontology is respectively equipped with an arc water-absorbing core in rear and front end and is formed
Front and back transverse direction baffle, the sanitary napkin ontology are equipped with longitudinal direction between the front and back transverse direction baffle and lead bothrium, the health
The two sides of towel ontology become equipped with leakproof pleat.Although this sanitary napkin can preventing portion lease making blood leak out, there are still hyper-menorrheas
Or infiltration rate is slow or (sits, lie) the inferior reason of effect in pressure and causes menses that can bleed back the problem of hole is overflowed from anti-, simultaneously
There is also the problems that the surface dry of sanitary napkin is poor.
Utility model content
The purpose of the utility model is to provide a kind of sanitary absorbent articles with efficient side leakage prevention function.The utility model
In sanitary absorbent article have many advantages, such as not side leakage, be unlikely to deform, good absorption effect and surface dry it is good.
To achieve the goals above, the utility model provides a kind of lateral leakage protection sanitary absorbent article, including hygienic absorption
Articles ontology, the sanitary absorbent article ontology successively include surface layer, guide layer, absorbed layer and bottom membrane from top to bottom;It is described
Absorbed layer is made of the wrapping layer of absorbent paper layer and the package absorbent paper layer;In the absorbent paper layer be equipped with diversion trench and/or
Lower seepage hole.
Preferably, the diversion trench is arranged along the length direction of the absorbent paper layer, and the depth of the diversion trench is in institute
State the 90%~100% of the thickness for extending and be the absorbent paper layer on the thickness direction of absorbent paper layer;And/or the lower infiltration
The depth in hole extends on the thickness direction of the absorbent paper layer and is the 90%~100% of the thickness of the absorbent paper layer.
Preferably, the quantity of the diversion trench is 1~5;And/or the quantity of the lower seepage hole is 1~50, preferably
18~36.
Preferably, the width of the absorbent paper layer is 5~7cm;The length of the diversion trench is the length of the absorbent paper layer
The 30%~100% of degree, the width of the diversion trench are 4~10mm.
Preferably, the cross-sectional area of the lower seepage hole is 6.5~80mm2。
Preferably, the material of the wrapping layer is dust-free paper, toilet paper or non-woven fabrics.
Preferably, the two sides of the surface layer are equipped with the encirclement higher than the surface layer;The highest position of the encirclement is higher than institute
State 2~10mm of surface layer.
Preferably, the two sides of the sanitary absorbent article ontology are equipped with flap.
Preferably, the sanitary absorbent article further include off-style paper layer below the bottom membrane and be located at it is described from
Wrapper below type paper layer.
Preferably, the bottom membrane has gas permeability.
Have in the utility model it is following the utility model has the advantages that
(1) sanitary absorbent article in the utility model has the function of efficient lateral leakage protection, is not in use process
The phenomenon that side leakage, solves the puzzlement of user, so that user's use is felt more relieved, safety and conveniently.
(2) diversion trench and/or lower seepage hole is arranged in the utility model in absorbent paper layer, so that sanitary absorbent article has simultaneously
There is the quickly lower function of seeping, inhale (infiltration rate is fast) and not side leakage wink, compared with additionally setting stereoscopic leakproof structure, this is practical new
The sanitary absorbent article of type is unlikely to deform and is broken, and there is no stereoscopic leakproof malformations or disappearance, and drip-preventing function to be caused to be lost
Problem.
Detailed description of the invention
The utility model attached drawing only provides for the purpose of illustration, in figure the ratio of each component not necessarily with actual product one
It causes.
Fig. 1 is the cross-sectional view of a specific embodiment in the utility model.
Fig. 2 is the suction that a specific embodiment diversion trench and lower seepage hole include in the utility model in sanitary absorbent article
Distribution schematic diagram in water paper layer.
Fig. 3 is the cross-sectional view of the absorbent paper layer in the utility model in a specific embodiment.
In figure: 1: wrapper;2: off-style paper layer;3: bottom membrane;4: wrapping layer;5: absorbent paper layer;6: guide layer;7: face
Layer;8: encirclement;9: flap;10: diversion trench;11: lower seepage hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
The utility model provides a kind of lateral leakage protection sanitary absorbent article, and the sanitary absorbent article is preferably sanitary napkin.
The lateral leakage protection sanitary absorbent article includes sanitary absorbent article ontology, and the sanitary absorbent article ontology successively wraps from top to bottom
Include surface layer 7, guide layer 6, absorbed layer and bottom membrane 3;The absorbed layer is by absorbent paper layer 5 and the packet for wrapping up the absorbent paper layer 5
Covering layer 4 forms, as shown in Figure 1;Diversion trench 10 and/or lower seepage hole 11 are equipped in the absorbent paper layer 5, as shown in Figure 2;It is described to lead
The setting of chute 10 and/or lower seepage hole 11 so that sanitary absorbent article have simultaneously it is quickly lower seep, inhale in wink (infiltration rate is fast) and
The function of not side leakage, compared with additionally setting stereoscopic leakproof structure, the sanitary absorbent article of the utility model is unlikely to deform and breaks
The problem of splitting, causing drip-preventing function to be lost there is no stereoscopic leakproof malformation or disappearance.
In the present invention, the surface layer 7, guide layer 6, absorbed layer and bottom membrane 3 can be by hot melt adhesive successively
It is bonded together;The surface layer 7 and/or the material of guide layer 6 for example can be hot wind, spunbond or spunlace non-woven cloth;The bottom
Film layer 3 have gas permeability, such as the bottom membrane 3 be as polyethylene film (PE film) and it is non-woven fabric compounded made of gas permeation bottom film layer
(breathing bottom membrane), the gas permeation bottom film layer being more preferably combined by polyethylene film and hot-wind nonwoven cloth;Select good permeability
Polyethylene film and non-woven fabric compounded increase sanitary absorbent article while be the gas permeability in order to guarantee sanitary absorbent article
Pliability;The material of the wrapping layer 4 is preferably dust-free paper, toilet paper or non-woven fabrics;The absorbent paper layer 5 for example can be by upper
Lower two layers of wet-strength paper and the high hydroscopic resin formed by Time of Fluff Slurry and super absorbent resin lipoprotein mixture being clipped between two layers of wet-strength paper
Layer composition, the utility model are used as absorbent core layer using absorbent paper layer 5, and the thickness of sanitary absorbent article can be effectively reduced and mention
The infiltration rate of high sanitary absorbent article.
According to some preferred embodiments, the diversion trench 10 along the absorbent paper layer 5 length direction setting (namely
It is in genesis analysis in the absorbent paper layer 5), and the depth of the diversion trench 10 is on the thickness direction of the absorbent paper layer 5
Extend and for the absorbent paper layer 5 thickness 90%~100% (such as 90%, 91%, 92%, 93%, 94%, 95%,
96%, 97%, 98%, 99% or 100%);And/or the depth of the lower seepage hole 11 is in the thickness direction of the absorbent paper layer 5
It is upper extension and for the absorbent paper layer 5 thickness 90%~100% (such as 90%, 91%, 92%, 93%, 94%,
95%, 96%, 97%, 98%, 99% or 100%).
According to some preferred embodiments, the quantity of the diversion trench 10 is 1~5 (such as 1,2,3,4 or 5);
And/or the quantity of the lower seepage hole 11 be 1~50 (such as 1,2,5,8,10,15,18,21,24,27,30,33,36,39,
42,45,48 or 50), preferably 18~36 (such as 18,21,24,27,30,33 or 36).
According to some preferred embodiments, the width of the absorbent paper layer 5 be 5~7cm (such as 5,5.5,6,6.5 or
7cm);And/or the length of the diversion trench 10 be 5 length of absorbent paper layer 30%~100% (such as 30%, 40%,
50%, 60%, 70%, 80%, 90% or 100%), the width of the diversion trench 10 be 4~10mm (such as 4,4.5,5,5.5,
6,6.5,7,7.5,8,8.5,9,9.5 or 10mm).
According to some preferred embodiments, the cross-sectional area of the lower seepage hole 11 is 6.5~80mm2(such as 6.5,
6.8,7.07,12.56,19.63,28.26,38.47,50.24,63.59 or 78.5mm2)。
The utility model is not particularly limited the three-dimensional shape of the lower seepage hole 11, and the lower seepage hole 11 for example may be used
Think the hole of reverse taper hole or other three-dimensional shapes;When the lower seepage hole 11 is distributed in the absorbent paper layer 5, lower seepage hole 11
Orifice shapes are not particularly limited, such as the aperture of lower seepage hole 11 can be round, rectangular, oval or other geometric graphs
Shape, the aperture aperture of the lower seepage hole 11 is preferably 3~10mm (such as 3,4,5,6,7,8,9 or 10mm), when the lower seepage hole
When 11 aperture is rectangle, aperture is the average value of orifice length and width, when the aperture of the lower seepage hole 11 is ellipse
When shape, aperture is the average value of aperture major diameter (long axis) and minor axis (short axle).
According to some preferred embodiments, the two sides of the surface layer 7 are equipped with the encirclement 8 higher than the surface layer 7, the shield
The highest position for enclosing 8 is higher than the 2~10mm of surface layer (such as 2,3,4,5,6,7,8,9 or 10mm).
According to some preferred embodiments, the two sides of the sanitary absorbent article ontology are equipped with flap 9.The flap 9
Material for example can be one of for hot wind, spunbond or spunlace non-woven cloth.
According to some preferred embodiments, the sanitary absorbent article further include positioned at the bottom membrane 3 lower section from
Type paper layer 2 and (namely the packaging of the sanitary absorbent article outer body of wrapper 1 positioned at 2 lower section of the off-style paper layer
Bag).Particularly, the off-style paper layer 2 is bonded in the lower section of the bottom membrane 3 by hot melt adhesive;Particularly, the wrapper
One end is equipped with the viscous mouth of the first packaging, and the other end of the wrapper is equipped with second and packs viscous mouth, sets on the viscous mouth of the second packaging
There is packaging adhesive tape, bacterial invasion and dampness can be prevented.Particularly, when the sanitary absorbent article includes flap 9, the shield
Flap release paper layer is equipped with below the wing 9, the flap release paper layer is bonded in the lower section of the flap 9 by hot melt adhesive.
Embodiment 1
A kind of side leakage preventing sanitary towel, the flap including sanitary napkin ontology and set on sanitary napkin ontology two sides, sanitary napkin ontology
Including being followed successively by surface layer, guide layer, absorbed layer, bottom membrane from top to bottom, the absorbed layer is by absorbent paper layer and wraps up the suction
The wrapping layer of water paper layer forms;The a length of 17cm of absorbent paper layer, width 6cm, the absorbent paper layer is by upper layer and lower layer wet-strength paper
And the high hydroscopic resin layer formed by Time of Fluff Slurry and super absorbent resin lipoprotein mixture being clipped between two layers of wet-strength paper forms;The bottom
Film layer is combined by polyethylene film and hot-wind nonwoven cloth;The lower section of the bottom membrane bottom is equipped with off-style paper layer, described release
(outside) is equipped with wrapper (sanitary towel package) below paper layer, and one end of the sanitary towel package is equipped with the first sanitary napkin packet
Viscous mouth is filled, the other end of the sanitary towel package is equipped with the second packaged sanitary napkin and glues mouth, and second packaged sanitary napkin glues mouth
It is equipped with packaged sanitary napkin adhesive tape.The surface layer, the guide layer, the wrapping layer, the absorbent paper layer, the bottom membrane,
The off-style paper layer and the sanitary towel package are successively bonded together by hot melt adhesive.
In the absorbent paper layer be equipped with two longitudinally spaced distributions diversion trench, a length of 14cm of diversion trench, the wide 5mm,
Spacing distance between two diversion trenches is 2.5cm, is symmetrically positioned in the two sides of the absorbent paper layer center line;The absorbent paper layer
In be evenly distributed with the lower seepage hole (ellipse lower seepage hole) that aperture is ellipse, the quantity of lower seepage hole is 27, and aperture aperture is
5mm.27 lower seepage holes are divided into the orderly longitudinal arrangement of three rows (every row 9) in the absorbent paper layer: wherein a row is set to described
On the center line of absorbent paper layer, in addition two rows are respectively arranged on the two sides of the center line, and the spacing between adjacent two rows of lower seepage holes is
2cm.The depth of the diversion trench and the lower seepage hole is the 100% of the thickness of the absorbent paper layer.
Embodiment 2
Embodiment 2 is substantially the same manner as Example 1, the difference is that: a genesis analysis is equipped in the absorbent paper layer
Diversion trench, a length of 14cm of diversion trench, wide 5mm, the diversion trench is located at blotting paper position of center line;The absorbent paper layer
In be evenly distributed with the lower seepage hole (ellipse lower seepage hole) that aperture is ellipse, the quantity of lower seepage hole is 18, and aperture aperture is
5mm.18 lower seepage holes are divided into two rows of (every rows 9), and orderly longitudinal arrangement is in the two sides of the absorbent paper layer center line, under two rows of
Spacing between seepage hole is 2cm.The depth of the diversion trench and the lower seepage hole is the 100% of the thickness of the absorbent paper layer.
Comparative example 1
Comparative example 1 is substantially the same manner as Example 1, the difference is that: be not provided in the absorbent paper layer diversion trench and
Lower seepage hole.
Performance test, property have been carried out to the sanitary napkin of embodiment 1, embodiment 2 and comparative example 1 production in the utility model
Energy test result is as shown in table 1.
Test method are as follows: take animal blood 2 times, each 5mL, 2 minor ticks 10 minutes, record the time for absorbing complete every time
For infiltration rate, unit s;Reverse osmosis is that sanitary napkin is every absorbed 5mL animal blood after, 0.6kg counterweight pressure 10g filter paper is placed in and defends
1min above raw towel, weighs the increased grammes per square metre of filter paper, unit g.
Table 1: the performance test results of sanitary napkin in Examples 1 to 2 and comparative example 1.
Sanitary napkin |
Embodiment 1 |
Embodiment 2 |
Comparative example 1 |
First time infiltration rate/s |
6 |
5 |
10 |
Second of infiltration rate/s |
16 |
17 |
27 |
First time reverse osmosis/g |
0.06 |
0.06 |
0.06 |
Second of reverse osmosis/g |
0.60 |
0.55 |
0.75 |
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.