CN209075166U - Disposable absorbent article - Google Patents

Abstract

The utility model provides a kind of disposable absorbent article, including the crotch region between front waist region, rear waist region and two regions, the two sides of the front waist region and rear waist region are engaged respectively to form waistline opening, and the two sides of the crotch region extend to the front waist region, rear waist region to form a pair of leg circumference opening；The front waist region and/or rear waist region are equipped at least one stretching region, and the stretching region includes at least one layer of elastic net fabric and at least one layer of nonwoven layer.The absorbent device waist area uniform elastic of the utility model has good extensibility and compactness, comfortable and easy to wear, good permeability.

Description

Disposable absorbent articles

technical field

The utility model generally relates to the field of sanitary products, in particular to a disposable hygroscopic product.

Background technique

Disposable absorbent articles on the market are mainly divided into pants-type absorbent articles and strip-type absorbent articles. Pant-type absorbent articles have the advantages of convenient use and anti-leakage, and have been favored by consumers in recent years. Such absorbent articles include a front waist region, a rear waist region, and a crotch region therebetween, wherein the side edges of the front waist region and the side edges of the rear waist region are connected, and the ends of the crotch region are respectively connected to the front waist region. The bottom end of the region is connected to the bottom end of the back waist region, and the absorbent body is provided on the skin side of the crotch region. However, current products or designs still cannot achieve satisfactory comfort in use.

Utility model content

The purpose of the present invention is to provide a disposable moisture absorbent article with uniform elasticity in the waist area, good stretchability and fit, comfortable wearing, good air permeability, etc., in view of the above problems in the prior art.

Therefore, according to the present invention, a disposable absorbent article is provided, which includes a front waist area, a rear waist area, and a crotch area between the two areas, and the two sides of the front waist area and the back waist area are joined respectively. To form a waist opening, the two sides of the crotch region extend to the front waist region and the rear waist region to form a pair of leg openings; wherein, the front waist region and/or the rear waist region are provided with at least one The stretchable area includes at least one layer of elastic mesh fabric and at least one layer of non-woven fabric. The breathability of the waist area is improved by the mesh structure of the elastic mesh fabric.

According to the above technical concept, the present invention may further include any one or more of the following optional forms.

In some optional forms, the stretchable area is provided in the entire transverse direction of the front waistline area and the back waistline area, including a first non-woven fabric layer, a second non-woven fabric layer, and a composite layer on the first non-woven fabric layer. An elastic mesh fabric between a nonwoven layer and a second nonwoven layer.

In some optional forms, the stretch area is provided in the entire transverse direction of the front waistline area and the back waistline area, including a non-woven fabric layer and elastic composite on the one non-woven fabric layer Mesh fabric.

In some alternative forms, the non-woven fabric layer and the elastic mesh fabric are composited by ultrasonic welding, hot melt lamination, adhesive bonding.

In some alternative forms, ventilation holes are formed through the nonwoven layer and the elastic mesh fabric at at least some of the ultrasonic welds. These vents further enhance breathability in the waist area.

In some optional forms, the elastic mesh fabric does not extend to the ends of the front waist area and the back waist area, and the ends of the front waist area and the back waist area include composites in the first non-woven fabric. At least one piece of elastomer extending in the transverse direction between the woven fabric layer and the second nonwoven fabric layer.

In some alternative forms, the first nonwoven layer extends over the front waistline region, the back waistline region and the crotch region, and the elastic mesh fabric and second nonwoven fabric layer extend over the front waistline region area and back waist area.

In some optional forms, the first non-woven fabric layer extends beyond the elastic mesh fabric and the second non-woven fabric layer, and is folded inwardly at the end of the waist opening to cover the second non-woven fabric layer Nonwoven layer.

In some optional forms, the second nonwoven fabric layer extends from the back waist region to a portion of the crotch region, and at least one piece of elastomer extending in an arcuate shape in the transverse direction is compounded on all non-elastic mesh fabrics. between the first non-woven fabric layer and the second non-woven fabric layer.

In some alternative forms, the stretch region is configured to have a continuously increasing rate of stretch from the crotch region to the waist opening.

In some optional forms, the expansion and contraction ratio of the expansion and contraction area is 1.2-8.

In some optional forms, the elastomer content of the expansion zone is 5%-100%, the fineness is 20-1240dtex, and the grammage per unit area is 20-200gsm.

In some alternative forms, the elastic mesh fabric and at least one nonwoven layer are continuously or intermittently bonded.

In some optional forms, it also includes an absorbent body extending from the crotch region to the front waistline region and the back waistline region, the side edges of the absorbent body are provided with guards, the guards The side edges of the device are folded inward and cover at least one elastic body extending in the longitudinal direction to form a three-dimensional protective enclosure.

In some optional forms, the ends of the absorbent body in the longitudinal direction are respectively covered with protective sheets.

Compared with existing products, the disposable hygroscopic article of the present invention has at least the following advantages:

1. The front waistline area and/or the back waistline area is provided with at least one expansion and contraction area, which can elastically expand and contract in the lateral and longitudinal directions to meet the needs of the user's body size and activities, and the expansion and contraction area is uniform throughout the waist area. , It has a high degree of fit with the human body, is comfortable to wear, beautiful and elegant, and is not easy to produce symptoms such as scarring, redness and swelling.

2. The stretch area is composed of at least one layer of non-woven fabric and at least one layer of elastic mesh fabric. The mesh structure of the elastic mesh fabric is dense, with good air permeability and high comfort, so as to avoid eczema caused by the skin in hot and humid conditions Symptoms such as itching.

Description of drawings

Other features and advantages of the present invention will be better understood through the following alternative embodiments described in detail in conjunction with the accompanying drawings, in which like numerals identify the same or similar parts, wherein:

Fig. 1 is the schematic diagram of the first embodiment of the absorbent article according to the present utility model;

FIG. 2 is a schematic view of the embodiment shown in FIG. 1 after unfolding, showing a partial cross-sectional structure;

3 is an enlarged schematic cross-sectional view of the front waistline region or the rear waistline region of the embodiment shown in FIG. 1;

Fig. 4 is the schematic diagram after expansion of the second embodiment of the absorbent article according to the present utility model, showing a partial cross-sectional structure;

Fig. 5 is the schematic diagram after unfolding of the third embodiment of the absorbent article according to the present invention, showing a partial cross-sectional structure;

Fig. 6 is the schematic diagram after unfolding of the fourth embodiment of the absorbent article according to the present utility model, showing a partial cross-sectional structure;

Fig. 7 is the schematic diagram after unfolding of the fifth embodiment of the absorbent article according to the present utility model, showing a partial cross-sectional structure;

Figure 8 is a schematic view after the sixth embodiment of the absorbent article according to the present invention is unfolded, showing a partial cross-sectional structure;

Fig. 9 is a schematic view after the development of the seventh embodiment of the absorbent article according to the present invention, showing a partial cross-sectional structure.

Detailed ways

The implementation and use of the embodiments are discussed in detail below. It should be understood, however, that the specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention. In the description, the structural positions of various components, such as directions such as upper, lower, top, and bottom, are not absolute, but relative. These directional representations are appropriate when the various components are arranged as shown in the figures, but when the positions of the various components in the figures are changed, the directional representations also change accordingly.

As used herein, "front" refers to the side facing the abdomen of the human body, and "rear" refers to the side facing the back of the human body. "Lateral direction" refers to the direction along the waistline of the human body; "Longitudinal direction" refers to the direction along the length of the human body, more specifically the direction from either the abdomen or the back through the crotch to the other of the two. "Inner side" refers to the side close to the skin of the human body, and "outer side" refers to the opposite side away from the human body. "Side" refers to the edge extending in the longitudinal direction, and "end" refers to the edge extending in the transverse direction.

As used herein, "disposable absorbent articles" include, but are not limited to, pant-type sanitary napkins, pant-type closure diapers, bowel training pants, or incontinence panties. Absorbent articles of this type include a front waist region that mainly fits the abdomen of the human body, a rear waist region that mainly fits the back of the human body, and a crotch region between the two regions, wherein the front waist region and the back waist region are on both sides. The sides are respectively joined to form waist openings, and the side edges of the crotch region extend to the front waist area and the rear waist area and are joined to each other to form a pair of leg openings. In addition, in the crotch region, the absorbent article also includes an absorbent body disposed in the crotch region.

Herein, "liquid-permeable surface layer" refers to a non-woven fabric in which the surface of the hot-melt fiber is treated with hydrophilicity and is permeable to liquid, including a liquid-permeable surface layer and a liquid-permeable flow-guiding layer. "Liquid-impermeable backsheet" refers to a breathable film layer, cast film layer, or a composite backsheet layer of a breathable film and a nonwoven that is applied in an absorbent article to block the outward penetration of liquids.

In disposable absorbent articles, in order to improve the fit to the surface of the human body, stretchability is generally provided to appropriate portions such as the circumference of the legs and the circumference of the waist. As a method of imparting elasticity to the waistline, the following three methods can be adopted:

1. A method of horizontally arranging and fixing a plurality of elongated elastic elastic members such as rubber ribs in a state of being elongated in the lateral direction;

2. The method of placing the elastic film in the area elongated in the transverse direction and fixing it;

3. A method of placing the elastic non-woven fabric in the area elongated in the transverse direction and fixing it.

All of the above-mentioned methods can give good flexibility to the waistline. However, in Method 1, due to the use of rubber rib, the elasticity is unevenly distributed in the waist area, and the rubber rib is tight and uncomfortable when used. Method 2 and Method 3 also cannot provide elasticity in the entire waist area, but provide elasticity in some areas, for example, only in the waist area on both sides or in the front and rear waist areas, and the elasticity is not uniform on the entire waist area.

In order to further improve the comfort of use of the absorbent article, the present invention is advantageously provided with at least one stretchable area in the front waistline area and/or the back waistline area, and the stretchable area includes at least one layer of non-woven fabric and at least one layer of elastic mesh fabric. It is understood that the elastic mesh fabric is elastic in the transverse and longitudinal directions. As a result, through the expansion and contraction area and the mesh structure, multi-directional functions such as uniform elasticity of the overall waistline, comfortable fit, size adjustment, dryness and breathability are realized.

The elastic mesh fabric can be any high molecular polymer commonly used in fabrics or clothing, such as including but not limited to Lycra, spandex (polyurethane), polyester (PET, polyethylene terephthalate), nylon (Polyamide) and compositions thereof.

As an example, the plurality of stretch regions can be arranged on the front waistline region and/or the rear waistline region in the form of a circle, rectangle or polygon.

In various embodiments, the stretch region may also be integrally formed with the front waist region and/or the rear waist region.

In certain embodiments, the stretch regions are provided across the entire transverse direction of the front and back waist regions, and are comprised of a first (outer) nonwoven layer, a second (inner) nonwoven layer, and two layers arranged in two layers. A layer of elastic mesh fabric in between is compounded.

Optionally, the stretchable area can also be composed of a layer of non-woven fabric and a layer of elastic mesh fabric. In certain embodiments, the elastic mesh fabric is closer to the skin side of the human body than the nonwoven layer. In other embodiments, the non-woven fabric layer is closer to the skin side of the human body than the elastic mesh fabric.

Regarding the non-woven fabric layer, it can be a single- or multi-component single-layer or multi-layer composite structure, the fineness is 0.1-7dtex, and the grammage per unit area is 5-60gsm, preferably 10gsm-25gsm. The elastomer content of the elastic mesh fabric is 5%-100%, the fineness is 20-1240dtex, and the gram weight per unit area is 20-200gsm. The composite process of the elastic mesh fabric and the non-woven fabric layer includes, but is not limited to, adhesive bonding, ultrasonic welding, hot melt lamination, mechanical connection, or a combination thereof, and the like. When an adhesive (such as glue) is used to compound the elastic mesh fabric and the non-woven fabric layer, the softening temperature of the adhesive should be selected to be much higher than the user's body temperature, so that the cured adhesive will not soften and stick when wearing. to the user's skin to avoid discomfort or adverse effects on the user.

In some embodiments, the expansion and contraction ratio of the expansion and contraction region is preferably 1.2-8, more preferably 1.5-4. The stretch ratio refers to the ratio of the lateral width of the stretched region in the ultimate stretched state to the lateral width of the unstretched state. Optionally, the expansion and contraction area is set to have an expansion and contraction ratio that continuously increases from the crotch area to the waist opening, and by continuously changing in the expansion and contraction direction, the change in the amount of contraction becomes continuous, satisfying that the waist opening area is higher than the crotch area. The need for stronger contractility.

In some embodiments, it is also possible to consider not changing the expansion and contraction rate of the expansion and contraction area, but to provide an elastic body or a belt-shaped stretchable non-woven fabric in the waist opening area to meet the needs of increasing the elasticity of the waist opening.

As mentioned above, the absorbent article of the present invention has good air permeability at the same time, and the air permeability includes the air permeability of the front waist area and/or the back waist area itself, and the air permeability of the stretch area. For the stretch area, the mesh structure of the elastic mesh fabric itself facilitates the passage of steam. For example, when the elastic mesh fabric and at least one non-woven fabric layer are composited by ultrasonic welding, in the composite stage, the ultrasonic welding device vibrates with the welding bumps on the bottom roller under the condition of high frequency (eg 20kHz) and high speed. In contact, friction generates heat to melt bond the elastic mesh fabric and at least one nonwoven layer. Wherein, the welding bumps on the bottom roll can be arranged to have a pattern shape (eg, a wave shape).

In some embodiments, the elastic mesh fabric in the waist area is laminated between the two nonwoven layers by an ultrasonic welding process. Some or even most of the ultrasonic welding points are located in the mesh structure of the elastic mesh fabric, that is, the two non-woven fabric layers are directly compounded together in the partial mesh structure of the elastic mesh fabric.

In some embodiments, ventilation holes are formed at at least part of the ultrasonic welding points to penetrate the two nonwoven layers and the elastic mesh fabric therebetween. In some embodiments, the distribution of ventilation holes in the waistline area is not uniform, that is, there are areas with denser ventilation holes and areas with relatively sparse ventilation holes.

It should be understood that parameters such as elastomer content, grammage per unit area, elongation and fineness can be appropriately changed according to actual needs, and are generally within the above ranges. In addition, the aforementioned elastic body can adopt various known elastic members, such as rubber bands, Lycra yarns, spandex yarns and the like.

The technical solutions of the optional embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

1 to 3 show a first embodiment of an absorbent article according to the present invention. In this embodiment, the absorbent article is a pant-type sanitary napkin 1, comprising a front waistline region 11, a rear waistline region 12 and a crotch region 13 therebetween, wherein the front waistline region 11 and the back waistline region 12 are on both sides of the The edges are individually joined to form the waist opening 14, eg, the lateral sides 111 of the front waist region 11 and the lateral sides 121 of the rear waist region 12 may be joined together by any suitable means, such as ultrasonic welding, heat roll bonding, or the like. Optionally, after the use of the absorbent article is completed, quick release can also be achieved by peeling and tearing the lateral side edges from each other. In addition, both sides of the crotch region 13 extend to the front waist region 11 and the rear waist region 12 respectively and are joined to each other to form a pair of leg openings 15. For example, in this embodiment, the crotch region 13 includes a pair of leg openings 15. The front joint part 131 and the rear joint part 132 at the ends, the front joint part 131 is joined to the skin side of the front waistline region 11 by, for example, an adhesive, and the rear joint part 132 is joined to the skin side of the rear waistline region 12 by, for example, an adhesive .

2 is a schematic structural diagram of the pant-type sanitary napkin of the present embodiment after unfolding. As shown in the figure, the unfolded front waist area 11 , crotch area 13 and rear waist area 12 have a "I" type structure. The front waistline region 11, the crotch region 13 and the rear waistline region 12 are generally three separate components and are joined together during the manufacturing process. The stretchable area is arranged in the entire transverse direction of the front waistline area 11 and the back waistline area 12, including the first non-woven fabric layer 161, the second non-woven fabric layer 162, and the first non-woven fabric layer 161 and the second non-woven fabric layer 161. The elastic mesh fabric 163 between the woven fabric layers 162 is shown in FIG. 3 . In a preferred embodiment, good breathability is provided by the mesh structure of the elastic mesh fabric itself. The crotch region 13 is exemplified in a rectangular sheet shape, and has a liquid-permeable topsheet 133 provided on the skin side and a liquid-impermeable backsheet 134 provided on the outside. The absorbent body 17 is provided in the crotch region 13 , and in this embodiment, the absorbent body includes an absorbent core 171 provided between the liquid-permeable topsheet 133 and the liquid-impermeable backsheet 134 . The absorbent core 171 may be a superabsorbent fibrous material interbonded with the liquid permeable topsheet 133 and liquid impermeable backsheet 134 of the crotch region 13, or may be arranged to wrap around the core liquid permeable cover and core The absorbent material between the liquid impervious backsheet, the core liquid permeable cover layer and the side edges of the core liquid impervious backsheet are joined to each other and to the liquid permeable topsheet 133 and the liquid impermeable backsheet 134 of the crotch region 13 .

It can be seen from FIG. 2 that, in this embodiment, the elastic mesh fabric 163 does not extend to the ends of the front waistline area and the back waistline area, and the ends of the front waistline area and the back waistline area include the first non-woven fabric layer laminated At least one piece of elastic body 18, such as elastic elastic band, extending between the 161 and the second non-woven fabric layer 162 and along the transverse direction. Wherein, the first and second non-woven fabric layers are single-component single-layer structures, the fineness is 0.1-7 dtex, and the grammage per unit area is 10-60 gsm. The elastic mesh fabric 163 has an elastomer content of 5% to 100%, a fineness of 20 to 1240 dtex, and a gram weight per unit area of 20 to 200 gsm. The stretchable area can elastically stretch 1.5 to 8 times along the waistline direction, and is wrinkled in a natural state, so that when wearing, the front waistline area 11 and the back waistline area 12 have uniform elastic stretchability on the entire surface, and can be stretched along at least It stretches and adjusts elastically in the transverse and longitudinal directions, and shrinks naturally after wearing, so that the trousers fit the surface of the human skin without any tightness.

It should be understood that the elastic bodies 18 disposed at the ends of the front waistline region and the back waistline region enable the waistline opening to have an increased expansion and contraction rate, so as to satisfy the user's demand for the tightness of the trousers. Meanwhile, in order to improve the comfort of the pant-type sanitary napkin, the opening of the leg circumference can also be provided with an elastic shrinkage structure (not shown). For example, at least one elastic elastic band elongated in the longitudinal direction and arranged side by side in the transverse direction is preferably provided at the opening of the leg circumference. During preparation, the elastic elastic band is stretched according to a certain stretching ratio, and is adhered to the opening edges of the waist opening and the leg opening by hot-melt gluing according to a predetermined arc and length, and the stretched elastic elastic band is restored to its natural state after molding. In the contracted state, the waist opening and the leg opening are contracted to form a wrinkled portion, thereby preventing the leakage of body fluids during use.

It should also be understood that during preparation, the elastic mesh fabric 163 can be drawn and stretched according to a preset elongation rate, and make it within the elastic recovery range; then, two non-woven fabric layers 161 of the same size can be drawn , 162 are respectively attached to the two sides of the elastic mesh fabric 163, and are compounded by intermittent or continuous compounding. After the compounding is completed, the non-woven fabric layers 161 and 162 form wrinkles when the elastic mesh fabric 163 recovers elastic deformation without stretching. Wherein, the intermittent compounding or continuous compounding may be by means of hot rolling, chemical bonding or ultrasonic welding. Due to the breathability of the elastic mesh fabric itself, during preparation, the elastic mesh fabric and the other two layers of non-woven fabrics can be compounded in turn, and there is no need to carry out the overall physical perforation of the front waistline area 11 and the back waistline area 12 after the compounding is completed. However, an additional process of performing physical perforation is not excluded, and preferably, the pore sizes of the non-woven fabric layers on both sides and the elastic mesh fabric 163 are kept the same.

In a preferred embodiment, the non-woven fabric layers 161, 162 and the elastic mesh fabric 163 are composited together using an ultrasonic welding process. The ultrasonic welding composite process is adopted, and no glue is added to the expansion area, which reduces the risk to the user's health caused by the user's waist sweat soaking and dissolving the glue. The mesh structure of the elastic mesh fabric 163 in the waist area greatly improves the breathability of the waist area, reduces the possibility of sweat soaking in the waist of the user, improves the comfort of the user and further reduces the possibility of giving the user's health belt risk to come. Ventilation holes penetrating the three layers 161-163 may also be formed at part of the ultrasonic welding points to further improve the air permeability of the waist area.

FIG. 4 shows a second embodiment according to the present invention. In this embodiment, the pant-type sanitary napkin 2 includes a front waist area 21 and a rear waist area 22 . The absorbent core 271 of the absorbent body 27 is provided between the liquid-permeable topsheet 233 and the liquid-impermeable backsheet 234 in the crotch region. The difference from the above embodiment is that the lateral side 221 of the rear waist area 22 is connected with a belt-like fastener 222 , and correspondingly, the lateral side 211 of the front waist area 21 may be provided with a connection that cooperates with the belt-like fastener 222 When wearing, the belt-like fastener 222 and the connecting part can be connected and fixed without joining the lateral sides 211 of the front waist area 21 and the lateral sides 221 of the rear waist area 22 to each other. Wherein, the connection between the belt-shaped fastener 222 and the connecting portion is, for example, glued or snapped connection. Thereby, quick and easy donning and detaching can be achieved. It should be understood that the belt-like fasteners may also be provided on the front waist region.

5 shows a third embodiment according to the present invention, in the pant-type sanitary napkin 3 of this embodiment, both sides of the crotch region 33 on which the absorbent body 37 is arranged extend to the front waistline region 31 and the back waist area 32 are integrally formed. The elastic mesh fabric 363 is compounded between the first non-woven fabric layer 361 and the second non-woven fabric layer 362, and includes at least one piece of elastic body 38 at the ends of the front waistline region and the back waistline region. The first nonwoven layer 361 is a single piece extending over the front waist region 31 , the rear waist region 32 and the crotch region 33 . The elastic mesh fabric 363 and the second non-woven fabric layer 362 then extend over the front waistline region 31 and the rear waistline region 32, as shown in phantom.

Optionally, the non-woven fabric layers 361 and 362 may be multi-component multi-layer composite structures, the fineness is 0.1-7 dtex, and the grammage per unit area is 5-60 gsm.

FIG. 6 shows a fourth embodiment similar to the embodiment shown in FIG. 5 , in this embodiment, the first non-woven fabric layer 461 of the pant-type sanitary napkin 4 extends in the front waist area 41 and the rear waist area 42 and crotch region 43, elastic mesh fabric 463 and second nonwoven layer 462 extend over front waist region 41 and rear waist region 42, absorbent body 47 covers crotch region 43 and extends to front waist region 41 and rear waist region 41 42. In addition, the first non-woven fabric layer 461 extends beyond the elastic mesh fabric 463 and the second non-woven fabric layer 462, and is folded inward at the ends of the front and rear waist regions to cover the second non-woven fabric layer 462. Optionally, the inwardly folded portion 464 of the first non-woven fabric layer 461 substantially covers at least one piece of the elastic body 48 provided at the waist opening.

Figure 7 shows a fifth embodiment similar to the embodiment shown in Figure 5, wherein the first nonwoven layer 561 of the pant-type sanitary napkin 5 extends over the front waist region 51, the rear waist region 52 and the crotch region , the elastic mesh fabric 563 extends to the front waist area 51 and the back waist area 52 , and the absorbent body 57 covers the crotch area and extends to the front waist area 51 and the back waist area 52 . In this embodiment, the second nonwoven layer 562 extending in the back waist region 52 extends to part of the crotch region and, in addition to the elastic body 58 disposed at the waist opening, at least one elastic piece extending in an arcuate shape in the transverse direction The body 59 is compounded between a first nonwoven layer 561 and a second nonwoven layer 562 without elastic mesh fabric. Thereby, fit and comfort, especially in the crotch area, are enhanced.

Figure 8 shows a sixth embodiment similar to the embodiment shown in Figure 5, wherein the first nonwoven layer 661 of the pant-type sanitary napkin 6 extends over the front waist region 61, the rear waist region 62 and the crotch region , the elastic mesh fabric 663 extends to the front waist area 61 and the back waist area 62, and the absorbent body 67 covers the crotch area and extends to the front waist area 61 and the back waist area 62. In this embodiment, the side edges of the absorbent body 67 are provided with guards 674, and the side edges of the guards 674 are folded inward and cover at least one elastic body (not shown) extending in the longitudinal direction to The three-dimensional guard 675 is formed to help avoid leakage of bodily fluids when the user is in a lateral position, for example. The jacket 674 can be made from a skin-friendly nonwoven layer material.

It can also be seen in FIG. 8 that protective sheets 676 may be respectively provided at both ends of the absorbent body 67, preferably a sheet-like structure made of a non-woven fabric layer material with high softness. A protective sheet 676 covers the ends of the absorbent body 67 and is calender bonded to the second nonwoven layer 662 . In this way, the end of the absorbent body 67 and the end of the side guards are prevented from directly contacting the human body during wearing, and the human skin will not be scratched.

Figure 9 shows a seventh embodiment similar to the embodiment shown in Figure 5, wherein the absorbent body 77 of the pant-type sanitary napkin 7 covers the crotch region 73 and extends to the front waist region 71 and the rear waist region 72, And at least one elastic body 78 is provided in the front waistline area and the back waistline area. In this embodiment, belt-like fasteners 722 are connected to the lateral sides of the rear waistline region 72. Correspondingly, the lateral sides of the front waistline region 71 may be provided with connecting portions that cooperate with the belt-like fasteners 722, such as Tape or snaps. It should be understood that the belt-like fasteners may also be provided on the front waist region.

The technical content and technical features of the present invention have been disclosed above. However, it can be understood that under the creative ideas of the present invention, those skilled in the art can make various changes and improvements to the above disclosed ideas, but all belong to the present invention. scope of protection. The descriptions of the above embodiments are illustrative rather than restrictive, and the protection scope of the present invention is determined by the claims.

Claims (15)

1. A disposable absorbent article comprising a front waist region, a rear waist region and a crotch region between the two regions, the side edges of the front waist region and the rear waist region are respectively joined to form a waist opening, the crotch region Two sides of the area extend to the front waistline area and the back waistline area to form a pair of leg openings; It is characterized in that, the front waistline region and/or the back waistline region is provided with at least one stretchable region, and the stretchable region comprises at least one layer of elastic mesh fabric and at least one layer of non-woven fabric. 2. The disposable absorbent article according to claim 1, wherein the stretchable area is provided in the entire lateral direction of the front waistline area and the back waistline area, comprising a first non-woven fabric layer, a second non-woven fabric layer, and a second non-woven fabric layer. A woven fabric layer, and an elastic mesh fabric compounded between the first non-woven fabric layer and the second non-woven fabric layer. 3. The disposable absorbent article according to claim 1, wherein the stretchable area is arranged in the entire lateral direction of the front waistline area and the back waistline area, and comprises a non-woven fabric layer and a composite The elastic mesh fabric on the one non-woven fabric layer. 4. The disposable absorbent article according to claim 2 or 3, wherein the non-woven fabric layer and the elastic mesh fabric are combined by ultrasonic welding, hot-melt pressing, and adhesive bonding. 5 . The disposable absorbent article according to claim 4 , wherein ventilation holes penetrating the non-woven fabric layer and the elastic mesh fabric are formed at at least part of the ultrasonic welding points. 6 . 6. The disposable absorbent article according to claim 2, wherein the elastic mesh fabric does not extend to the ends of the front waistline region and the back waistline region, and the front waistline region and the back waistline region are The end portion includes at least one piece of elastomer compounded between the first and second nonwoven layers and extending in the transverse direction. 7. The disposable absorbent article of claim 6, wherein the first nonwoven fabric layer extends over the front waistline region, the back waistline region and the crotch region, the elastic mesh fabric and the second A nonwoven layer extends over the front and back waist regions. 8. The disposable absorbent article of claim 7, wherein the first nonwoven layer extends beyond the elastic mesh fabric and the second nonwoven layer at the end of the waist opening Inwardly folded to cover the second non-woven fabric layer. 9. The disposable absorbent article of claim 7, wherein the second nonwoven fabric layer extends from the back waistline region to a portion of the crotch region, and at least one layer extending in an arcuate shape in the transverse direction An elastomer is compounded between the first and second nonwoven layers without the elastic mesh fabric. 10. The disposable absorbent article according to claim 5, wherein the expansion and contraction region is configured to have an expansion and contraction ratio that increases continuously from the crotch region to the waist opening. 11 . The disposable absorbent article according to claim 5 , wherein the expansion ratio of the expansion and contraction region is 1.2-8. 12 . 12 . The disposable absorbent article according to claim 5 , wherein the elastic body content of the expansion and contraction area is 5% to 100%, the fineness is 20 to 1240 dtex, and the gram weight per unit area is 20 to 200 gsm. 13 . 13. The disposable absorbent article according to claim 5, wherein the elastic mesh fabric and at least one non-woven fabric layer are continuously or intermittently compounded. 14. The disposable absorbent article of claim 5, further comprising an absorbent body extending from the crotch region to the front waistline region and the back waistline region, two sides of the absorbent body The sides are provided with guards, and the side edges of the guards are folded inward and cover at least one elastic body extending in the longitudinal direction to form a three-dimensional guard. 15. The disposable absorbent article according to claim 14, wherein the ends of the absorbent main body along the longitudinal direction are respectively covered with protective sheets.