CN210158798U - Ultrahigh-breathability absorption article - Google Patents
Ultrahigh-breathability absorption article Download PDFInfo
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- CN210158798U CN210158798U CN201920339173.4U CN201920339173U CN210158798U CN 210158798 U CN210158798 U CN 210158798U CN 201920339173 U CN201920339173 U CN 201920339173U CN 210158798 U CN210158798 U CN 210158798U
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Abstract
The utility model discloses an ultrahigh air-permeable absorbing article. The ultra-high breathable absorbent article comprises a main body component and a closing component or a fixing component for keeping the main body component on a wearer; the main body component comprises a liquid-permeable top layer, a liquid-impermeable lateral leakage-proof layer, a liquid-impermeable bottom layer and an absorption layer arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer, wherein the liquid-impermeable bottom layer is of a multi-piece composite structure; the liquid-tight bottom layer comprises a central liquid-tight sheet arranged below the absorption core, liquid-tight side sheets arranged on two sides of the absorption core and a liquid-tight bottom sheet arranged below the central liquid-tight sheet. The utility model discloses set up this kind of multi-piece composite construction's liquid-tight nature bottom, can further improve the moisture permeability of liquid-tight nature bottom, make the gas permeability of absorbing articles for use promote by a wide margin, reduce the vexed wet sense of absorbing articles for use, still can effectively avoid not being oozed by the body fluid that the absorption core locks completely simultaneously, effectively reduce the risk that absorbs articles for use and ooze at the bottom of.
Description
Technical Field
The utility model belongs to the technical field of absorb articles for use. And more particularly to an ultra-high breathability absorbent article.
Background
Infants and other incontinent individuals often need to wear absorbent articles such as diapers, sanitary napkins, pull-ups, and the like. The absorbent article functions to store and isolate the exudates from the body, clothing, bedding, etc. of the wearer. At present, the water absorbing article mainly comprises a liquid permeable top layer, a liquid impermeable side leakage preventing edge separating layer, a liquid impermeable bottom layer, an absorbing layer and a closed system or a fixed component. The sealing component of the paper diaper is a waist patch type closed system, the sealing component of the pull-up diaper is a pants type closed system consisting of elastic side waistlines, and the fixing component of the sanitary towel and the paper diaper is a sticking system consisting of back glue and release paper thereof and used for fixing the sanitary towel on the underpants. The liquid-tight bottom layer is usually a polyethylene breathable film with air permeability, the breathable film can effectively improve the moisture permeability of the absorbing article and reduce the stuffy wet feeling of the absorbing article, but the moisture permeability of the commonly used breathable film is 1800-3500 g/24h/m2The highest can reach 5000g/24h/m2However, the air permeability of the breathable film is still much lower than that of the nonwoven fabric.
For further promoting the ventilation capacity of disposable absorption articles, patent CN201710554911.2 discloses a non-membrane high-ventilation skin-friendly paper diaper, the non-liquid-tight bottom layer of the paper diaper is designed into a composite layer of non-woven fabric with three-high arrangement and super-soft spun-bonded non-woven fabric or hot air non-woven fabric, but the absorption region and the non-absorption region are designed into non-composite breathable films, so that the problem of easy bottom permeation of the non-absorption core region of non-absorbability exists. Patent CN201510505147.0 discloses a waterproof ventilative panty-shape diapers basement membrane, utilize water-conveying polymer resin to pass through volume production high-pressure electrostatic spinning equipment, directly carry out electrostatic spinning on the superfine fiber non-woven fabrics and form the nanofiber accumulation body, the composite panty-shape diapers basement membrane of nanofiber and superfine fiber non-woven fabrics of production has synthesized the nanofiber of high air permeability and the ventilative bottom layer of superfine fiber non-woven fabrics, but this kind of waterproof ventilative panty-shape diapers basement membrane of no membrane also has the easy problem of leaking at the bottom of the non-absorption core zone of non-absorbability simultaneously.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above-mentioned prior art's defect and not enough, provide a super high ventilative absorption articles for use to it is poor effectively to solve traditional disposable absorption articles for use gas permeability, and the problem that the non-absorption core region of no membrane high ventilative absorption articles for use non-absorbability oozes at the end easily.
The utility model discloses above-mentioned purpose is realized through following technical scheme:
an ultra-high breathable absorption article comprises a main body assembly and a closing assembly or a fixing assembly for keeping the main body assembly on a wearer, wherein the closing assembly is a waist patch type closing system, a pants type closing system consisting of elastic side waistlines or a fixing assembly consisting of a back adhesive coating and release paper; the main body component comprises a liquid-permeable top layer, a liquid-impermeable lateral leakage-proof layer, a liquid-impermeable bottom layer and an absorption layer arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer, the absorption layer comprises an absorption core and an absorption core wrapping layer, and the liquid-impermeable bottom layer is of a multi-piece composite structure; the liquid-tight bottom layer comprises a central liquid-tight sheet arranged below the absorption core, liquid-tight side sheets arranged on two sides of the absorption core and a liquid-tight bottom sheet arranged below the central liquid-tight sheet.
The utility model discloses it is poor to the disposable absorption articles for use gas permeability of tradition, and the problem that oozes at the bottom of the non-absorption core region of the high ventilative absorption articles for use non-absorbability of no membrane has provided the ventilative absorption articles for use structure of superelevation that comprises the liquid-tight nature bottom of multiple sheet formula, and this liquid-tight nature bottom of multiple sheet formula comprises the liquid-tight piece of center under the absorption core, the liquid-tight lateral plate of absorption core both sides and liquid-tight film. Owing to set up this kind of multi-piece composite construction's liquid-tight nature bottom, can further improve the moisture permeability of liquid-tight nature bottom, make the gas permeability of absorbing the articles for use promote by a wide margin, reduce the vexed wet sense of absorbing the articles for use, still can effectively avoid not being oozed by the body fluid that the absorption core locks completely simultaneously, effectively reduce the risk that absorbs articles for use and ooze at the bottom of.
Further, in a preferred embodiment of the present invention, the width of the liquid-impermeable bottom sheet is the same as the width of the molded product.
Further, in a preferred embodiment of the present invention, the liquid-impermeable bottom sheet is a spun-bonded nonwoven fabric, a hot-air nonwoven fabric or other types of nonwoven fabrics.
Further, in the preferred embodiment of the present invention, the liquid-tight side sheet is two PE breathable films separated from each other in the left and right directions, and the longitudinal side edge of the central liquid-tight side sheet overlaps the longitudinal inner side edge of the liquid-tight side sheet.
The breathable film is also called a waterproof breathable microporous film and is characterized in that the breathable film is breathable and waterproof, the microporous film is provided with countless micropores which are communicated with each other, the pore diameter of the microporous film is very fine, about 0.01-10 mu m, only water vapor molecules with the particle diameter of about 0.4nm can pass through the microporous film, and any raindrops or water drops cannot pass through the microporous film due to the overlarge particle diameter of the microporous film. Thus, the moisture volatilized from the body fluid can be effectively diffused out through the minute holes. The moisture permeability of a breathable film for a common absorption article is 1500-3200 g/24h/m2. The liquid-tight lateral plate at the side edge of the absorption core is two PE breathable films which are separated from each other at the left and the right, so that the problem that the non-absorption core area without absorbability is easy to bottom seep is further avoided.
Further, in a preferred embodiment of the present invention, the lateral width of the liquid-impermeable side panel extends from the inner side of the absorbent core to the outer side of the liquid-permeable top sheet.
Further, in a preferred embodiment of the present invention, the liquid-permeable top layer is disposed on the absorption layer, and the width of the liquid-permeable top layer is greater than the width of the absorption layer. The utility model discloses in limit the edge of liquid permeability top layer around the absorbed layer, the width of liquid permeability top layer is greater than the width of absorbed layer, and liquid class excrement can be absorbed by the absorbed layer when liquid permeability top layer permeates the absorbed layer edge.
Furthermore, in a preferred embodiment of the present invention, the width of the liquid-permeable top sheet is smaller than the width of the liquid-impermeable bottom sheet, so that liquid excreta do not penetrate to the outside of the product.
Further, in the preferred embodiment of the present invention, the central liquid-impermeable sheet includes two or more layers of non-woven fabrics, and the two or more layers of non-woven fabrics are combined by folding or stacking the non-woven fabrics. The central liquid-tight piece under the absorption core is two or more than two layers of non-woven fabrics, so that the absorption core area is designed to be a non-membrane design, the air permeability of the absorption area can be greatly improved, and the stuffy and wet feeling of the absorption article is further reduced.
Furthermore, in a preferred embodiment of the present invention, the nonwoven fabric is a nonwoven fabric containing ultrafine melt-blown fibers.
Further, in a preferred embodiment of the present invention, the nonwoven fabric containing the ultrafine meltblown fibers is a spunbond-meltblown composite nonwoven fabric or a meltblown nonwoven fabric.
The spunbond-meltblown composite nonwoven fabric is usually a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, or a spunbond-meltblown-spunbond nonwoven fabric. The spun-bonded and melt-blown composite non-woven fabric combines the advantages of softness, high tensile strength and high hydrostatic pressure resistance of the spun-bonded non-woven fabric, and is widely used for a leakage-proof edge-separating layer of an absorption article.
The melt-blown non-woven fabric is prepared by melt extrusion of polymer, high-pressure air jet spinning to form superfine fibers, and forming a web of the superfine staple fibers, and then forming the web into the non-woven fabric by self-bonding, thermal bonding, chemical bonding or mechanical reinforcement. Melt-blown nonwoven fabrics have high hydrostatic pressure resistance and are widely used in the field of masks and the like having barrier properties.
Further, in the preferred embodiment of the present invention, the absorbent core wrapping layer is formed by folding the absorbent core bottom layer upwards to the surface layer covering of the absorbent core along the longitudinal end of the absorbent core to form a sealing wrapping, and the absorbent core wrapping layer is provided with an opening at the corresponding position with the middle part of the surface layer of the absorbent core. During imbibition, liquid flows downwards naturally under the action of gravitational potential energy, so that liquid conduction and absorption are accelerated, the absorption speed is effectively improved, the use amount of the absorption core cladding layer material is reduced, and the requirement on quick absorption of liquid excrement can be met during actual use.
Further, in a preferred embodiment of the present invention, a liquid-permeable flow-guiding layer is further disposed between the liquid-permeable top layer and the absorbing layer; the width of the liquid permeable diversion layer is smaller than the width of the absorption layer. Be equipped with the water conservancy diversion layer between liquid permeability top layer and the absorbed layer, fully considered the factor that adult's urine volume is big, use the water conservancy diversion layer with liquid class excrement guide to absorb on the core, can alleviate the problem of the quick hydrops in absorption core middle part, improve the travelling comfort of using.
Furthermore, in a preferred embodiment of the present invention, the side of the liquid-permeable flow guiding layer extends to the side of the opening of the absorbent core wrapping layer, so as to prevent the liquid excreta from leaking or leaking out while ensuring the rapid directional infiltration of the liquid excreta.
Compared with the prior art, the utility model has the following outstanding advantage:
(1) the utility model discloses it is poor to the disposable absorption articles for use gas permeability of tradition, and the problem that oozes at the bottom of the non-absorption core region of the high ventilative absorption articles for use non-absorbability of no membrane has provided the ventilative absorption articles for use structure of superelevation that comprises the liquid-tight nature bottom of multiple sheet formula, and this liquid-tight nature bottom of multiple sheet formula comprises the liquid-tight piece of center under the absorption core, the liquid-tight lateral plate of absorption core both sides and liquid-tight film. Owing to set up this kind of multi-piece composite construction's liquid-tight nature bottom, can further improve the moisture permeability of liquid-tight nature bottom, make the gas permeability of absorbing the articles for use promote by a wide margin, reduce the vexed wet sense of absorbing the articles for use, still can effectively avoid not being oozed by the body fluid that the absorption core locks completely simultaneously, effectively reduce the risk that absorbs articles for use and ooze at the bottom of.
(2) The liquid-tight side piece at the side edge of the absorption core of the utility model is two PE breathable films which are separated from each other at the left and the right, thereby further avoiding the problem that the non-absorption core area without absorbability is easy to bottom seep; meanwhile, the central liquid-tight sheet below the absorption core is two or more layers of non-woven fabrics containing superfine melt-blown fibers, so that the absorption core area is designed to be a film-free design, the air permeability of the absorption area can be greatly improved, and the stuffiness and wetness feeling of the absorption article can be further reduced.
Drawings
Fig. 1 is a schematic structural view of an ultra-high air-permeable absorbent article according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of an ultra-high air-permeable absorbent article according to embodiment 2 of the present invention.
Wherein, 1-liquid-tight lateral leakage-proof layer; 2-a liquid permeable top layer; 3-an absorbing layer; 31-an absorbent core; 32-an absorbent core wrap layer; 4-a liquid impermeable back sheet; 41-a central liquid-impermeable sheet; 42-a liquid-impermeable side panel; 43-a liquid impervious backsheet; 5-a liquid permeable drainage layer; 6-an elastic waist feature; 7-front waist patch; 71-left waist patch; 72-right waist patch; 8-sticking release paper on the back; 9-basement membrane non-woven fabric.
Detailed Description
The technical solutions in the embodiments of the present invention will be further described in detail and fully with reference to the following specific embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1 an ultra-high air-permeable absorbent article
As shown in FIG. 1, the ultra-high permeability absorbent article is a waist-patch type absorbent article comprising a main body component and a closure component for retaining the main body component on a wearer. The closure assembly is a waist tape type closure system comprising an elastic waist feature 6 positioned on a liquid impervious backsheet 43, a front waist tape 7 positioned below the liquid impervious backsheet 43, and left and right waist tapes 71, 72 positioned on the left and right sides of the elastic waist feature 6. The main body component comprises a liquid-permeable top layer 2, a liquid-impermeable side leakage-proof layer 1, a liquid-impermeable bottom layer 4 and an absorption layer 3 arranged between the liquid-permeable top layer 2 and the liquid-impermeable bottom layer 4.
The absorption layer 3 comprises an absorption core 31 and an absorption core wrapping layer 32, the absorption core wrapping layer 32 is covered by a surface layer which is folded upwards along the longitudinal end part of the absorption core 31 from the bottom layer of the absorption core 31 to form a sealing wrapping, and the absorption core wrapping layer 32 is provided with an opening at the corresponding position with the middle part of the surface layer of the absorption core 31. During imbibition, liquid flows downwards naturally under the action of gravitational potential energy, so that liquid conduction and absorption are accelerated, the absorption speed is effectively improved, the usage amount of the material of the absorption core cladding layer 32 is reduced, and the requirement of rapid urine absorption can be met during actual use.
The liquid permeable top layer 2 is arranged on the absorption layer 3, the width of the liquid permeable top layer 2 is larger than that of the absorption layer 3, and the width of the liquid permeable top layer 2 is smaller than that of the liquid impermeable bottom layer 4, so that urine can not permeate outside the product. The utility model discloses limit the edge of liquid permeability top layer 2 around absorbed layer 3, the width of liquid permeability top layer 2 is greater than the width of absorbed layer 3, and the urine can be absorbed by absorbed layer 3 when liquid permeability top layer 2 permeates the edge of absorbed layer 3.
The liquid-tight bottom layer 4 is a multi-piece composite structure and comprises a central liquid-tight piece 41 arranged below the absorption core 3, liquid-tight side pieces 42 arranged at two sides of the absorption core 3 and a liquid-tight bottom piece 43 arranged below the central liquid-tight piece 41. Wherein, the width of the liquid-tight bottom sheet 43 is consistent with that of the formed product, and the liquid-tight bottom sheet 43 is spun-bonded non-woven fabric, hot-air non-woven fabric or other types of non-woven fabric. The liquid-impermeable side sheet 42 is two PE breathable films separated left and right, and the longitudinal side edge of the central liquid-impermeable sheet 41 overlaps the longitudinal inner side edge of the liquid-impermeable side sheet 42. The lateral width of the liquid-impermeable side panels 42 extends from the inside of the absorbent core 31 to the outside of the liquid-permeable topsheet 2. The breathable film is also called a waterproof breathable microporous film, and is characterized in that the breathable film is breathable and waterproof, the microporous film is provided with countless micropores which are mutually communicated, the pore diameter of the microporous film is very fine, about 0.01-10 mu m, and only water vapor molecules with the particle diameter of about 0.4nm can pass through the microporous film, but any raindrops or water drops cannot pass through the microporous film due to the overlarge particle diameter of the microporous film. Thus, the moisture volatilized from the body fluid can be effectively diffused out through the minute holes. The moisture permeability of a breathable film for a common absorption article is 1500-3200 g/24h/m2. The liquid-tight side sheet 42 at the side of the absorption core 31 is two PE breathable films which are separated from each other at the left and the right, so that the problem that the non-absorption core area without absorbability is easy to bottom seep is further avoided.
The center liquid-impermeable sheet 41 includes two or more layers of nonwoven fabrics containing ultrafine melt-blown fibers, and the two or more layers of nonwoven fabrics are bonded in a stacked glue-blown manner. The non-woven fabric containing the superfine melt-blown fiber is a spun-bonded-melt-blown composite non-woven fabric or a melt-blown non-woven fabric. Among these, the spunbond-meltblown composite nonwoven fabric is usually a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, or the like. The spun-bonded and melt-blown composite non-woven fabric combines the advantages of softness, high tensile strength and high hydrostatic pressure resistance of the spun-bonded non-woven fabric, and is widely used for a leakage-proof edge-separating layer of an absorption article. The melt-blown non-woven fabric is prepared by melt extrusion of polymer, high-pressure air jet spinning to form superfine fibers, and forming a web of the superfine staple fibers, and then forming the web into the non-woven fabric by self-bonding, thermal bonding, chemical bonding or mechanical reinforcement. Melt-blown nonwoven fabrics have high hydrostatic pressure resistance and are widely used in the field of masks and the like having barrier properties. The central liquid-impermeable sheet 41 under the absorption core 31 is two or more layers of non-woven fabrics, so that the absorption core area is designed to be a non-membrane design, the air permeability of the absorption area can be greatly improved, and the stuffy and wet feeling of the absorption article is further reduced.
A bottom film non-woven fabric 9 is arranged between the liquid-impermeable back sheet 43 and the front waist tape 7. A liquid-permeable flow-guiding layer 5 is also arranged between the liquid-permeable top layer 2 and the absorption layer 3. This width of liquid permeability diversion layer 5 is less than the width of absorbed layer 3, the side of liquid permeability diversion layer 5 extends to absorbed core wrap 32 open-ended side, when guaranteeing that the urine is directional infiltration fast, prevent the urine exosmosis or reveal, and fully considered the big factor of adult urine volume, use liquid permeability diversion layer 5 to guide the urine to absorbed core 31 on, can alleviate the problem of the quick hydrops in absorbed core 31 middle part, the travelling comfort of using improves.
The utility model discloses it is poor to the disposable absorption articles for use gas permeability of tradition, the problem of oozing at the bottom of the non-absorption core region of the high ventilative absorption articles for use non-absorbability of no membrane, provided the ventilative absorption articles for use structure of superelevation that comprises the liquid-tight nature bottom of multiple-sheet, this liquid-tight nature bottom 4 of multiple-sheet comprises central liquid-tight piece 41 under the absorption core 31, the liquid-tight lateral plate 42 of absorption core 31 both sides and liquid-tight film 43. Owing to set up this kind of multi-piece composite construction's liquid-tight nature bottom 4, can further improve the moisture permeability of liquid-tight nature bottom 4, make the gas permeability of absorbing the articles for use promote by a wide margin, reduce the vexed wet sense of absorbing the articles for use, still can effectively avoid not being oozed by the body fluid that the absorption core locks completely simultaneously, effectively reduce the risk that absorbs articles for use and ooze at the bottom.
Example 2 an ultra-high air-permeable absorbent article
As shown in FIG. 2, the ultra-high breathable absorbent article is a sanitary napkin and includes a main body component and a fastening component for holding the main body component on a wearer. The fixing component is composed of a back-attached release paper 8 positioned below a liquid-impermeable bottom sheet 43. The main body component comprises a liquid-permeable top layer 2, a liquid-impermeable side leakage-proof layer 1, a liquid-impermeable bottom layer 4 and an absorption layer 3 arranged between the liquid-permeable top layer 2 and the liquid-impermeable bottom layer 4.
The absorption layer 3 comprises an absorption core 31 and an absorption core wrapping layer 32, the absorption core wrapping layer 32 is covered by a surface layer which is folded upwards along the longitudinal end part of the absorption core 31 from the bottom layer of the absorption core 31 to form a sealing wrapping, and the absorption core wrapping layer 32 is provided with an opening at the corresponding position with the middle part of the surface layer of the absorption core 31. During imbibition, liquid naturally flows downwards under the action of gravitational potential energy, so that liquid conduction and absorption are accelerated, the absorption speed is effectively improved, the usage amount of the material of the absorption core cladding layer 32 is reduced, and the requirement of rapid absorption of liquid excrement can be met during actual use.
The liquid permeable top layer 2 is arranged on the absorption layer 3, the width of the liquid permeable top layer 2 is larger than that of the absorption layer 3, and the width of the liquid permeable top layer 2 is smaller than that of the liquid impermeable bottom layer 4, so that liquid excrement can not permeate outside the product. The utility model discloses limit the edge of liquid permeability top layer 2 around absorbed layer 3, the width of liquid permeability top layer 2 is greater than the width of absorbed layer 3, and menstrual blood can be absorbed by absorbed layer 3 when liquid permeability top layer 2 permeates the 3 edges of absorbed layer.
The liquid-tight bottom layer 4 is a multi-piece composite structure and comprises a central liquid-tight piece 41 arranged below the absorption core 3, liquid-tight side pieces 42 arranged at two sides of the absorption core 3 and a liquid-tight bottom piece 43 arranged below the central liquid-tight piece 41. Wherein, the width of the liquid-tight bottom sheet 43 is consistent with that of the formed product, and the liquid-tight bottom sheet 43 is spun-bonded non-woven fabric, hot-air non-woven fabric or other types of non-woven fabric. The liquid-tight side sheet 42 is two PE breathable films which are separated from left and rightThe longitudinal side edges of the central liquid-impermeable sheet 41 overlap the longitudinal inner side edges of the liquid-impermeable side sheets 42. The lateral width of the liquid-impermeable side panels 42 extends from the inside of the absorbent core 31 to the outside of the liquid-permeable topsheet 2. The breathable film is also called a waterproof breathable microporous film and is characterized in that the breathable film is breathable and waterproof, the microporous film is provided with countless micropores which are communicated with each other, the pore diameter of the microporous film is very fine, about 0.01-10 mu m, only water vapor molecules with the particle diameter of about 0.4nm can pass through the microporous film, and any raindrops or water drops cannot pass through the microporous film due to the overlarge particle diameter of the microporous film. Thus, the moisture volatilized from the body fluid can be effectively diffused out through the minute holes. The moisture permeability of a breathable film for a common absorption article is 1500-3200 g/24h/m2. The liquid-tight side sheet 42 at the side of the absorption core 31 is two PE breathable films which are separated from each other at the left and the right, so that the problem that the non-absorption core area without absorbability is easy to bottom seep is further avoided.
The center liquid-impermeable sheet 41 includes two or more layers of nonwoven fabrics containing ultrafine melt-blown fibers, and the two or more layers of nonwoven fabrics are bonded in a stacked glue-blown manner. The non-woven fabric containing the superfine melt-blown fiber is a spun-bonded-melt-blown composite non-woven fabric or a melt-blown non-woven fabric. Among these, the spunbond-meltblown composite nonwoven fabric is usually a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, a spunbond-meltblown-spunbond nonwoven fabric, or the like. The spun-bonded and melt-blown composite non-woven fabric combines the advantages of softness, high tensile strength and high hydrostatic pressure resistance of the spun-bonded non-woven fabric, and is widely used for a leakage-proof edge-separating layer of an absorption article. The melt-blown non-woven fabric is prepared by melt extrusion of polymer, high-pressure air jet spinning to form superfine fibers, and forming a web of the superfine staple fibers, and then forming the web into the non-woven fabric by self-bonding, thermal bonding, chemical bonding or mechanical reinforcement. Melt-blown nonwoven fabrics have high hydrostatic pressure resistance and are widely used in the field of masks and the like having barrier properties. The central liquid-impermeable sheet 41 under the absorption core 31 is two or more layers of non-woven fabrics, so that the absorption core area is designed to be a non-membrane design, the air permeability of the absorption area can be greatly improved, and the stuffy and wet feeling of the absorption article is further reduced.
A liquid permeable flow guiding layer 5 is also arranged between the liquid permeable top layer 2 and the absorbing layer 3. This width of liquid permeability drainage layer 5 is less than the width of absorbed layer 3, and the side of liquid permeability drainage layer 5 extends to absorbed core wrapping layer 32 open-ended side, when guaranteeing the directional infiltration of menses rapidly, prevents the menses exosmosis or reveals, and has fully considered the big factor of adult urine volume, use liquid permeability drainage layer 5 to guide the menses to absorbed core 31 on, can alleviate the problem of the quick hydrops in absorbed core 31 middle part, the travelling comfort of improvement use.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, etc. made within the protection scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An ultra-high breathable absorption article comprises a main body assembly and a closing assembly or a fixing assembly for keeping the main body assembly on a wearer, wherein the closing assembly is a waist patch type closing system, a pants type closing system consisting of elastic side waistlines or a fixing assembly consisting of a back adhesive coating and release paper; the main body component comprises a liquid-permeable top layer (2), a liquid-impermeable lateral leakage-proof layer (1), a liquid-impermeable bottom layer (4) and an absorption layer (3) arranged between the liquid-permeable top layer (2) and the liquid-impermeable bottom layer (4), the absorption layer (3) comprises an absorption core (31) and an absorption core wrapping layer (32), and the liquid-impermeable bottom layer (4) is of a multi-piece composite structure; the liquid-tight bottom layer (4) comprises a central liquid-tight sheet (41) arranged below the absorption core (31), liquid-tight side sheets (42) arranged at two sides of the absorption core (31) and a liquid-tight bottom sheet (43) arranged below the central liquid-tight sheet (41).
2. The ultra-high breathable absorbent article of claim 1, wherein said liquid impermeable backsheet (43) has a width corresponding to the width of the shaped product.
3. The ultra-high breathable absorbent article of claim 1, wherein said liquid-impermeable side panels (42) are two PE breathable films separated from each other on the left and right, and the longitudinal side edges of said central liquid-impermeable panel (41) overlap the longitudinal inner side edges of said liquid-impermeable side panels (42).
4. The ultra-high breathable absorbent article according to claim 3, characterized in that the lateral width of said liquid-impermeable side panels (42) extends from the inside of the absorbent core (31) to the outside of the liquid-permeable top sheet (2).
5. The ultra-high breathable absorbent article according to claim 1, characterized in that said liquid-permeable top layer (2) is arranged on the absorbent layer (3) and the width of said liquid-permeable top layer (2) is greater than the width of the absorbent layer (3).
6. The ultra-high breathable absorbent article of claim 1, wherein said central liquid-impermeable sheet (41) comprises two or more layers of non-woven fabric bonded by folding or stacking glue-spraying.
7. The ultra-high breathable absorbent article of claim 6 wherein said nonwoven fabric is a nonwoven fabric comprising ultra-fine meltblown fibers.
8. The ultra-high breathable absorbent article of claim 7 wherein said nonwoven fabric comprising ultra-fine meltblown fibers is a spunbond-meltblown composite nonwoven fabric or a meltblown nonwoven fabric.
9. The ultra-high breathable absorbent article according to claim 1, wherein said absorbent core wrap (32) is covered by the bottom layer of the absorbent core (31) folded up along the longitudinal ends of the absorbent core (31) to the top layer of the absorbent core to form a sealed cover, and the absorbent core wrap (32) is provided with openings corresponding to the central portion of the top layer of the absorbent core (31).
10. The ultra-high breathable absorbent article according to any of claims 1 to 9, wherein a liquid-permeable flow-guiding layer (5) is further disposed between said liquid-permeable top layer (2) and said absorbent layer (3); the width of the liquid-permeable diversion layer (5) is smaller than that of the absorption layer (3).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749857A (en) * | 2021-10-14 | 2021-12-07 | 布童物联网科技(上海)有限公司 | Leak protection ventilative type baby panty-shape diapers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749857A (en) * | 2021-10-14 | 2021-12-07 | 布童物联网科技(上海)有限公司 | Leak protection ventilative type baby panty-shape diapers |
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