CN209751392U - Disposable absorbent article with drainage and liquid absorption prevention partition - Google Patents

Abstract

The utility model provides a disposable absorbent article that imbibition wall is prevented in difficult anti-seepage, absorb faster, the mediation of absorber high-usage is flowed, including liquid-permeable surface course, absorber, liquid-tight nature bottom, absorbent article has transversely and by the vertical of preceding waist region to back waist region direction extension of waistline direction extension along the waistline direction extension, the absorber is located between liquid-permeable surface course and the liquid-tight nature bottom, its characterized in that: the absorption body is composed of super absorbent resin, liquid-absorbing anti-partition flow guide channels are arranged on the absorption body at intervals along the transverse direction, and the liquid-absorbing anti-partition flow guide channels extend along the longitudinal direction of the absorption body.

Description

disposable absorbent article with drainage and liquid absorption prevention partition

Technical Field

The utility model belongs to the technical field of health supplies and specifically relates to a disposable absorption article that liquid that absorbs cuts off is prevented in dredging flow.

Background

Disposable absorbent articles such as diapers and sanitary napkins are known as products, and known diapers or sanitary napkins comprise a liquid-permeable top sheet, an absorbent body, and a liquid-impermeable back sheet, wherein the absorbent body has a transverse direction extending in a girth direction and a longitudinal direction extending from a front waist region to a rear waist region, the absorbent body is disposed between the liquid-permeable top sheet and the liquid-impermeable back sheet, and the composition of the partial structure such as a diaper is disclosed fully in chinese patent No. 200920153861.8, publication No. 2010-03-2010.

Chinese patent ZL94109165.1 discloses an "absorbent article" consisting of a liquid-permeable front sheet and a liquid-impermeable back sheet and an absorbent body placed between the two sheets, said absorbent body being composed of at least two layers, the first layer placed close to the front sheet being composed of hydrophilic fibers and thermofusible binder fibers, and the second layer placed close to the back sheet being composed of superabsorbent polymer and thermofusible binder fibers.

Chinese patent ZL 00238815.4 discloses a "winged double-cotton core sanitary napkin", which comprises a perforated film layer or a nonwoven fabric layer having two wings and a strip-shaped body, and a salivation film identical thereto, wherein the edges of the perforated film layer or the nonwoven fabric layer and the salivation film are bonded to the edges of the two wings, and a protective paper, an upper absorbent core, a protective paper and a lower absorbent core are sequentially stacked under the strip-shaped body of the perforated film layer or the nonwoven fabric layer.

the defects of the 2 patents are that the two absorbers are arranged in an up-down stacking mode, a certain absorption difference is not formed between the upper layer and the lower layer, the content of the water-absorbing resin of the absorber on the upper layer exceeds 40%, so that a gap formed by liquid permeating from top to bottom in the using process is blocked, the liquid-absorbing channel is blocked, the liquid is difficult to enter the absorber on the lower layer, the absorber on the lower layer cannot absorb liquid, the liquid cannot permeate at all, on the other hand, the liquid is easy to permeate backwards after absorbing liquid in the using process, the effects of the plurality of absorption cores cannot be exerted to the maximum, and the absorption effect is not obvious.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a disposable absorbing article that imbibition wall is prevented in difficult reverse osmosis, absorption is faster, the high mediation of absorber utilization ratio dredges.

In order to solve the technical problem, the utility model discloses take following scheme: disposable absorbent article that imbibition was prevented in dredging flow cut off, including liquid-permeable surface course, absorber, liquid-tight nature bottom, absorbent article has along the horizontal of waistline direction extension and by the vertical of waist region orientation extension backward in the front waist region, the absorber is located between liquid-permeable surface course and the liquid-tight nature bottom, be equipped with the water conservancy diversion along the transverse direction interval on the absorber and prevent separating the groove, the water conservancy diversion prevents separating the groove and extends along the longitudinal direction of absorber.

The further improvement is that: the absorption body is composed of a polymer absorption core wrapped by upper-layer swelling paper and lower-layer fluffy non-woven fabric, liquid-absorbing anti-partition flow guide channels are arranged on the absorption core at intervals along the transverse direction, and the liquid-absorbing anti-partition flow guide channels extend along the longitudinal direction of the absorption body.

The further improvement is that: flow guide lines extending along the longitudinal direction of the absorber are uniformly distributed in the absorber.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses the absorbing body is equipped with the imbibition along horizontal interval and prevents cutting off water conservancy diversion passageway, and the absorbing body is after the imbibition like this, and the imbibition prevents cutting off water conservancy diversion passageway and enables the liquid in the absorbing body rapid water conservancy diversion to adjacent absorbing body for the absorbing body plays the effect of fine imbibition on the one hand, and on the other hand can hinder space behind the liquid water absorption swelling and be cut off, guarantees the utility model discloses a purpose can be realized, obtains good drain effect promptly, and the absorbing body utilization ratio is high, and the absorbing body at edge just plays the function of fine imbibition.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 31 3; 3

Fig. 3 is a front view of a second embodiment of the present invention;

FIG. 4 is a cross-sectional view B-B of FIG. 3;

Fig. 5 is a mold for forming liquid-absorbing anti-blocking flow channels of the absorbent core.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

the first embodiment is as follows:

referring to fig. 1 and fig. 2, this embodiment discloses a diaper, which is defined as having a transverse direction extending along a waistline direction and a longitudinal direction extending from a front waist region to a rear waist region, and which sequentially includes, from top to bottom: liquid-permeable surface course, liquid-tight nature bottom and locate the liquid-permeable surface course and the liquid-tight nature bottom between the absorbent, wherein:

The liquid-permeable surface layer is composed of hydrophilic non-woven fabrics 1 and water-repellent non-woven fabrics 2 which are fixedly arranged on the two transverse sides of the hydrophilic non-woven fabrics 1 respectively. The inner sides of the two water-repellent non-woven fabrics 2 extend to the middle part of the cotton soft hydrophilic surface layer 1 to form free edges, leak-proof rubber bands 8 for leakage detection are arranged on the free edges, and the absorber 5 consists of a polymer absorption core 53 wrapped by upper-layer expanded paper 51 and lower-layer fluffy non-woven fabric 52. The absorption core is provided with liquid-absorbing anti-partition flow guide channels 531 at intervals in the transverse direction, and the liquid-absorbing anti-partition flow guide channels extend in the longitudinal direction of the absorber. For the mould that absorbs core imbibition anti-partition diversion passageway formed, specific, with this mould A location in the absorption core shaping inslot that absorbs core shaping drum when taking shape the absorption core, recess A1 on the mould forms the absorption sandwich layer, and pin A2 between the adjacent recess A1 of mould forms the utility model discloses a diversion passageway is prevented cutting off in imbibition. The utility model discloses an absorber is at the imbibition back like this, and the imbibition is prevented cutting off on the water conservancy diversion passageway enables the liquid in the absorber to water conservancy diversion to adjacent absorber rapidly for the absorber plays the effect of fine imbibition on the one hand, and on the other hand can block the space behind the liquid water uptake inflation and be cut off, guarantees the utility model discloses a purpose can be realized, obtains good drain effect promptly, and the absorber utilization ratio is high, and the absorber at edge just plays the function of fine imbibition.

The absorption core is internally and uniformly provided with flow guide lines extending along the longitudinal direction of the absorption body. The flow guide line is blown from the blowing device into the absorbing core to be integrally formed with the absorbing core when the absorbing core is formed. The flow guide line further enables the absorption core to quickly guide flow after absorbing liquid, and prevents liquid absorption and separation.

Fluffy non-woven fabrics 52 of lower floor is formed by curling hollow spiral long fiber and intertwines each other, use fluffy non-woven fabrics as the bottom layer of parcel polymer, liquid is from during fluffy non-woven fabrics of penning paper surface infiltration, the roll-like spiral long fiber of fluffy non-woven fabrics not only can be with liquid to both sides water conservancy diversion rapidly, can also be with the quick upwards water conservancy diversion dispersion of bottom layer of liquid follow, thereby reach the effect of extremely fast diffusion, prevent reverse osmosis, imbibition water conservancy diversion dispersion effect is very good, can avoid the play of the not good arousing of imbibition water conservancy diversion dispersion effect to stick together, the cracked phenomenon appears in the absorbing layer after the use, the utilization ratio and the comfort level of wearing of. The high polymer water-absorbent resin 53 is respectively embedded into the curling space of the curled hollow spiral long fiber, so that the lower fluffy non-woven fabric not only can play a good supporting role on the high polymer, but also can further improve the diversion dispersion effect and prevent breakage.

The impermeable bottom layer is ventilative but impervious PE basement membrane 6, is located the horizontal both sides of panty-shape diapers refuse to be equipped with respectively between water non-woven fabrics 2 and the PE basement membrane 6 along the leg that longitudinal direction extends and enclose the rubber band 9, the horizontal both sides of lumbar region respectively are equipped with two waist subsides 10 behind the PE basement membrane 6, and it can be fixed with mechanical pressfitting or the mode of ultrasonic heat-seal through the hot melt adhesive bonding, the preceding waist district of PE basement membrane 6 is equipped with preceding waist subsides 7, can fix panty-shape diapers on the waist of wearer when controlling the waist subsides and set firmly respectively in preceding waist subsides horizontal both sides and prevent to drop.

Example two:

Referring to fig. 3 and fig. 4, the second embodiment discloses a sanitary napkin, which sequentially comprises a water-repellent nonwoven 1', a cotton soft hydrophilic nonwoven 2', an absorber 5', a casting film 6', a middle-adhesive release paper 7 'and a wing release paper 8' from top to bottom, wherein:

the water repellent non-woven fabric 1' is composed of an upper layer of super-soft non-woven fabric 11 ' and a lower layer of breathable film 12 ', and the lower layer of breathable film is a polytetrafluoroethylene film layer. The water-repellent non-woven fabric 1' is arranged on the two transverse sides of the cotton soft hydrophilic surface layer 1. The absorbent 5 'is composed of a polymeric absorbent core 53' wrapped by an upper layer of expanded paper 51 'and a lower layer of bulky nonwoven fabric 52'. The absorption core is provided with liquid-absorbing and anti-blocking flow guide channels 531' at intervals along the transverse direction, and the liquid-absorbing and anti-blocking flow guide channels extend along the longitudinal direction of the absorption body. The absorption core is internally and uniformly provided with flow guide lines extending along the longitudinal direction of the absorption body. The flow guide line is blown from the blowing device into the absorbing core to be integrally formed with the absorbing core when the absorbing core is formed. The flow guide line further enables the absorption core to quickly guide flow after absorbing liquid, and prevents liquid absorption and separation. The lower bulky nonwoven fabric 52 'is formed by intertwining the curled hollow spiral filaments, and the high molecular water-absorbent resin 53' is inserted into the curled space of each of the curled hollow spiral filaments. The cast film 6 ' is arranged below the absorber 5', the cotton soft hydrophilic non-woven fabric 2', the absorber 5' and the cast film 6 ' are sequentially bonded by hot melt adhesive to form a sanitary towel with certain liquid absorption capacity, the longitudinal middle parts of the cotton soft hydrophilic non-woven fabric 2' and the cast film 6 ' respectively extend transversely to the transverse two side parts to form the protective wings 21 ', and in order to better fix the position of the sanitary towel in use, the bottom surface of the cast film 6 ' is provided with middle adhesive release paper 7 ' and protective wing release paper 8 '.

The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims (2)

1. Disposable absorbent article that imbibition wall is prevented in dredging flow, including liquid-permeable surface course, absorber, liquid-tight nature bottom, absorbent article has along the horizontal of waistline direction extension and by the vertical of the extension of preceding waist region to back waist region direction, between liquid-permeable surface course and the liquid-tight nature bottom is located to the absorber, its characterized in that: the utility model discloses a novel absorbing body, including the absorbing body, be equipped with the imbibition along the horizontal direction interval on the absorbing body and prevent cutting off the water conservancy diversion passageway, the imbibition prevents cutting off the water conservancy diversion passageway and extends along the longitudinal direction of absorbing body, the internal equipartition of absorbing has the water conservancy diversion line that extends along the longitudinal direction of absorbing body.

2. The disposable absorbent article of claim 1 wherein: the absorption body is composed of a polymer absorption core wrapped by upper-layer swelling paper and lower-layer fluffy non-woven fabric, liquid-absorbing anti-partition flow guide channels are arranged on the absorption core at intervals along the transverse direction, and the liquid-absorbing anti-partition flow guide channels extend along the longitudinal direction of the absorption body.