CN114533398A - Absorption article and preparation method thereof - Google Patents
Absorption article and preparation method thereof Download PDFInfo
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- CN114533398A CN114533398A CN202210169703.1A CN202210169703A CN114533398A CN 114533398 A CN114533398 A CN 114533398A CN 202210169703 A CN202210169703 A CN 202210169703A CN 114533398 A CN114533398 A CN 114533398A
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 197
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000010410 layer Substances 0.000 claims abstract description 192
- 239000002250 absorbent Substances 0.000 claims abstract description 157
- 230000002745 absorbent Effects 0.000 claims abstract description 156
- 230000003385 bacteriostatic effect Effects 0.000 claims abstract description 65
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 46
- 239000002344 surface layer Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 244000178870 Lavandula angustifolia Species 0.000 claims abstract description 24
- 235000010663 Lavandula angustifolia Nutrition 0.000 claims abstract description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000001102 lavandula vera Substances 0.000 claims abstract description 24
- 235000018219 lavender Nutrition 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 24
- 241001071917 Lithospermum Species 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims description 70
- 229920005989 resin Polymers 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 27
- 239000004745 nonwoven fabric Substances 0.000 claims description 27
- 238000013329 compounding Methods 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 12
- 239000011812 mixed powder Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
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- 241000193830 Bacillus <bacterium> Species 0.000 description 4
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention provides an absorption article and a preparation method thereof, wherein the absorption article comprises a surface layer, a first absorption layer, a bacteriostatic absorption layer, a second absorption layer and a breathable bottom layer which are sequentially arranged from top to bottom; the first absorption layer is used for guiding and absorbing liquid; the bacteriostatic absorption layer and the second absorption layer are used for absorbing liquid; the antibacterial absorption layer comprises lavender, lithospermum and nano-silver antibacterial powder. The absorbent article prepared by the invention has the characteristics of good dryness, bacteriostasis and odor removal functions, instant absorption and large liquid absorption amount.
Description
Technical Field
The invention relates to the technical field of sanitary products, in particular to an absorbing article and a preparation method thereof, which can be applied to sanitary products such as sanitary towels, menstrual pants, paper diapers, pull-up pants and the like, and particularly relates to a sanitary towel.
Background
With the development of the times, the requirements of consumers on absorbent articles are continuously improved, and the absorbent articles are required to have the performances of ventilation, instant absorption, instant drying, health, softness, bacteriostasis and the like. However, most of the sanitary absorbent articles on the market still have the problems of poor air permeability, poor absorption, dry and comfortable surface, no bacteriostasis and the like after absorbing liquid, so that the development of an absorbent article which has good dryness, a bacteriostasis function, instant absorption and large liquid absorption amount is needed.
Disclosure of Invention
The invention provides an absorbent article and a preparation method thereof, and the absorbent article has the advantages of good dryness, bacteriostasis and odor removal functions, instant absorption and large liquid absorption amount.
In order to achieve the above object, in a first aspect, the present invention provides an absorbent article, which includes a surface layer, a first absorption layer, a bacteriostatic absorption layer, a second absorption layer and a breathable bottom layer, which are sequentially arranged from top to bottom;
the first absorption layer is used for guiding and absorbing liquid;
the bacteriostatic absorption layer and the second absorption layer are used for absorbing liquid;
the antibacterial absorption layer comprises lavender, lithospermum and nano-silver antibacterial powder.
Preferably, the two sides of the surface layer are both provided with a three-dimensional enclosure higher than the surface layer, and the three-dimensional enclosure is composed of non-woven fabric wrapped rubber bands.
Preferably, the surface layer is at least one selected from hot air non-woven fabric, spun-bonded non-woven fabric, pure cotton non-woven fabric or bamboo fiber; preferably, the surface layer is a hot air non-woven fabric.
Preferably, the first absorption layer and the second absorption layer are both at least one selected from a foam layer, wet-process-made super absorbent resin absorbent paper, dry-process-made super absorbent resin absorbent paper, dust-free paper super absorbent resin absorbent paper, a composite core, a fluff pulp structure or a non-woven fabric-wrapped super absorbent resin.
Preferably, the breathable bottom layer is a PE film.
Preferably, the first absorption layer is formed by compounding a small core structure formed by folding at least two times of the wet-process super absorbent resin water absorption paper and at least one layer of wet-process super absorbent resin water absorption paper.
Preferably, the second absorbent layer is preferably at least one layer of wet-laid super absorbent resin absorbent paper.
Preferably, a plurality of through holes are arranged on the first absorption layer; the hole pattern of the through hole is at least one selected from the group consisting of round, oval, square, wave, heart and star, and the aperture of the through hole is 0.5-1.5 mm;
the density of the first absorption layer is more than 30g/cm3。
Preferably, the absorption material adopted by the bacteriostatic absorption layer is at least one selected from a foam layer, wet-process manufactured super absorbent resin absorbent paper, dry-process manufactured super absorbent resin absorbent paper, dust-free paper super absorbent resin absorbent paper, a composite core body, a fluff pulp structure or a non-woven fabric-wrapped super absorbent resin; preferably, the super absorbent resin is wrapped by non-woven fabrics;
the antibacterial absorption layer comprises the following components in parts by weight: 65-98 parts of absorbing material, 0.1-10 parts of lavender, 0.1-10 parts of lithospermum, 0.2-20 parts of nano silver antibacterial powder and 1-5 parts of fluff pulp.
Preferably, the bacteriostatic absorption layer is provided with a longitudinal pressing groove, and the transverse section of the bacteriostatic absorption layer is wavy; preferably, the longitudinal pressing groove is formed by pressing through a hot pressing roller.
Preferably, the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 20-300 g/m2(ii) a Preferably, the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 70-150 g/m2。
Preferably, the particle size of the super absorbent resin is 30-100 meshes, the water retention capacity is more than or equal to 25g/g, and the liquid passing capacity is more than or equal to 0.1 mL/min.
In a second aspect, the present invention provides a method for manufacturing the absorbent article of the first aspect, the method comprising the steps of:
(1) preparing a bacteriostatic absorption layer containing lavender, lithospermum and nano-silver antibacterial powder;
(2) compounding a first absorption layer above the bacteriostatic absorption layer, and compounding a second absorption layer below the bacteriostatic absorption layer; and then compounding a surface layer above the first absorption layer and compounding a breathable bottom layer below the second absorption layer to obtain the absorption article.
Preferably, the step (1) includes the steps of:
sequentially crushing and grinding lavender and lithospermum to obtain mixed powder; then uniformly mixing the mixed powder, the nano silver antibacterial powder and the fluff pulp to obtain a mixed filler; wrapping the mixed filler by using an absorption material to obtain an inclusion; and pressing the inclusion by using a hot roller to obtain the antibacterial absorption layer.
Preferably, in the step (2), the two sides of the surface layer are both provided with a three-dimensional enclosure higher than the surface layer, and the three-dimensional enclosure is formed by wrapping rubber bands with non-woven fabrics.
Compared with the prior art, the invention at least has the following beneficial effects:
(1) the absorption article provided by the invention adopts the three absorption layers to absorb liquid, so that the liquid absorption amount of the absorption article can be obviously improved; the first absorption layer can be used for guiding flow, so that liquid can rapidly permeate downwards, and the dryness of the surface of the absorption article is ensured; the antibacterial absorption layer contains lavender, radix Arnebiae and nano silver antibacterial powder, and has antibacterial and odor removing effects.
(2) The lavender in the absorbing article provided by the invention has the effects of calming and hypnotizing, resisting bacteria and diminishing inflammation, relieving spasm and pain and balancing grease, and is suitable for emotional stress, anxiety, insomnia and neurasthenia. The lithospermum has the functions of detoxification and bacteriostasis, and has obvious bacteriostasis on staphylococcus aureus, escherichia coli, typhoid bacillus, dysentery bacillus, bacillus subtilis, pseudomonas aeruginosa and the like. The nano silver antibacterial powder can moderately release antibacterial metal ions (namely silver ions), however, the surfaces of microorganisms are provided with negative charges, the antibacterial metal ions can be pulled to the surfaces of the microorganisms, and the microorganisms are subjected to cell wall breakage due to charge imbalance, so that bacteriostasis is realized. In addition, after the antibacterial metal ions enter the inside of the microorganism, the antibacterial metal ions react with enzymes in the microorganism body to further inhibit the growth of the microorganism.
(3) The absorbent article provided by the invention has good dryness, bacteriostasis function, instant absorption and large liquid absorption amount.
Drawings
FIG. 1 is a schematic view of a transverse cross-section of an absorbent article according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of a bacteriostatic absorbent layer according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a transverse cross section of a bacteriostatic absorbing layer provided by the embodiment of the invention;
in the figure: 101: a surface layer; 102: a first absorbent layer; 103: a bacteriostatic absorption layer; 104: a second absorbent layer; 105: a breathable bottom layer; 106: and (5) three-dimensional enclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the embodiments of the present invention and the accompanying drawings, it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention provides an absorption article, as shown in fig. 1 and fig. 2, the absorption article comprises a surface layer 101, a first absorption layer 102, a bacteriostatic absorption layer 103, a second absorption layer 104 and a breathable bottom layer 105 which are arranged in sequence from top to bottom;
the first absorption layer 102 is used for guiding and absorbing liquid;
the bacteriostatic absorption layer 103 and the second absorption layer 104 are used for absorbing liquid;
the bacteriostatic absorption layer 105 contains lavender, lithospermum and nano-silver antibacterial powder.
In the invention, the three absorption layers are used for absorbing liquid, so that the flow guide is realized through the first absorption layer, the liquid can quickly infiltrate downwards, the dryness of the surface of the absorption article is ensured while the infiltration is realized, the effective bacteriostasis and odor removal can be realized through the middle bacteriostasis absorption layer on the basis of ensuring the absorption liquid, the liquid absorption performance of the absorption article is further enhanced through the second absorption layer, and the excellent liquid absorption performance is ensured.
According to the invention, the bacteriostatic absorption layer comprises the purely natural bacteriostatic components lavender and lithospermum and the chemical bacteriostatic factor nano-silver antibacterial powder, so that the bacteriostatic effect of the bacteriostatic absorption layer can be improved, the bacteriostatic absorption layer can be further ensured to realize odor removal by combining the purely natural bacteriostatic components and the chemical bacteriostatic factors, and better use experience is provided for users.
According to some preferred embodiments, the two sides of the surface layer 101 are both provided with the three-dimensional containment 106 higher than the surface layer 101, and the three-dimensional containment 106 is formed by wrapping rubber bands with non-woven fabrics.
The three-dimensional enclosure comprises a surface layer and a breathable bottom layer, and at least two rubber bands are compounded on the three-dimensional enclosure.
In the invention, the two sides of the surface layer are provided with the three-dimensional fencing, so that the liquid can be effectively prevented from leaking laterally.
It should be noted that the drawings of the present invention are provided for illustrative purposes only, and the scale of the components in the drawings is not necessarily consistent with the actual product.
In fig. 1 of the present invention, the structural layers are peeled off from each other for clearly showing the position relationship between the structural layers of the present invention, and it should be understood that the structural layers of the present invention are closely attached and/or partially attached to each other.
According to some preferred embodiments, the face layer 101 is at least one selected from the group consisting of a through-air nonwoven, a spunbond nonwoven, a pure cotton nonwoven, or bamboo fiber.
According to some more preferred embodiments, the facing layer 101 is a through air nonwoven.
At least one of them is a mixture of any one or any several of them mixed in any ratio.
According to some preferred embodiments, the first absorbent layer 102 and the second absorbent layer 104 are each at least one selected from the group consisting of a foam layer, a wet-laid super absorbent resin absorbent paper, a dry-laid super absorbent resin absorbent paper, a dust-free paper super absorbent resin absorbent paper, a composite core, a fluff pulp structure, or a non-woven bag super absorbent resin.
According to some more preferred embodiments, the breathable bottom layer 105 is a PE film.
It should be noted that, in the present invention, the PE film is only permeable and impermeable to water, and a degradable PE film may also be used to ensure comfort in use and at the same time to protect the environment and reduce environmental pollution.
According to some more preferred embodiments, the first absorbent layer 102 is formed by combining a small core structure formed by wet-process-made super absorbent resin absorbent paper folded at least twice and at least one layer of wet-process-made super absorbent resin absorbent paper.
In the embodiment of the invention, the instant absorption capacity of the first absorption layer can be further increased by arranging the first absorption layer into a structure formed by compounding the small core structure and the absorbent paper, so that the good dryness and comfort of the surface are ensured.
According to some more preferred embodiments, the second absorbent layer 104 is at least one layer of wet-laid super absorbent resin absorbent paper.
According to some preferred embodiments, the first absorption layer 102 is provided with a plurality of through holes; wherein, the hole pattern of the through hole is at least one selected from circle, ellipse, square, wave, heart and star, and the aperture of the through hole is 0.5-1.5 mm (for example, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm or 1.5 mm);
the first absorbent layer 102 has a density of greater than 30g/cm3(for example, it may be 35g/cm3、40g/cm3、50g/cm3、80g/cm3、100g/cm3Or 150g/cm3Etc.).
The hole diameter specifically corresponds to the diameter of the inscribed circle of the hole pattern.
In the invention, the first absorption layer is provided with a plurality of through holes, and the through holes can realize flow guide, so that the infiltration speed of liquid can be accelerated by the through holes, and the comfortable sensation when the liquid is concentrated on the surface layer to influence the use is avoided.
It should be noted that the through holes are preferably funnel-shaped with a large upper aperture and a small lower aperture, which is more beneficial to liquid infiltration. For example, when the hole pattern of the through-holes is circular, the aperture of the through-holes of the first absorbent layer in contact with the lower surface of the top sheet is 1.5mm, and the aperture of the through-holes of the first absorbent layer in contact with the bacteriostatic absorbent layer is 1 mm. The funnel type structure can better gather the penetrating liquid, guide the liquid to be better diffused into the absorber, is beneficial to instantaneous absorption, avoids the surface layer from being moist and stuffy, and further improves the use experience of consumers.
According to some preferred embodiments, the absorbent material used in the bacteriostatic absorption layer 103 is at least one selected from a foam layer, wet-process manufactured super absorbent resin absorbent paper, dry-process manufactured super absorbent resin absorbent paper, dust-free paper super absorbent resin absorbent paper, composite core, fluff pulp structure or non-woven fabric-wrapped super absorbent resin;
the antibacterial absorption layer 103 comprises the following components in parts by weight: 65 to 98 parts (for example, 65 parts, 70 parts, 75 parts, 80 parts, 85 parts, 90 parts, 95 parts or 98 parts) of the absorbent material, 0.1 to 10 parts (for example, 0.1 parts, 0.5 parts, 1 part, 2 parts, 5 parts, 6 parts, 8 parts or 10 parts) of the lavender, 0.1 to 10 parts (for example, 0.1 parts, 0.5 parts, 1 part, 2 parts, 5 parts, 6 parts, 8 parts or 10 parts) of the lithospermum, 0.2 to 20 parts (for example, 0.2 parts, 1 part, 2 parts, 4 parts, 10 parts, 12 parts, 16 parts or 20 parts) of the nano silver antibacterial powder, 1 to 5 parts (for example, 1 part, 2 parts, 3 parts, 4 parts or 5 parts) of fluff pulp.
In the invention, the lavender has the effects of calming and hypnotizing, resisting bacteria and inflammation, relieving spasm and pain and balancing grease, and is suitable for emotional stress, anxiety, insomnia and neurasthenia. The lithospermum has the functions of detoxification and bacteriostasis, and has obvious bacteriostasis on staphylococcus aureus, escherichia coli, typhoid bacillus, dysentery bacillus, bacillus subtilis, pseudomonas aeruginosa and the like. The nano silver antibacterial powder can moderately release antibacterial metal ions (namely silver ions), however, the surfaces of microorganisms are provided with negative charges, the antibacterial metal ions can be pulled to the surfaces of the microorganisms, and the microorganisms are subjected to cell wall breakage due to charge imbalance, so that bacteriostasis is realized. In addition, after the antibacterial metal ions enter the inside of the microorganism, the antibacterial metal ions react with enzymes in the microorganism body to further inhibit the growth of the microorganism.
According to the invention, the lavender, the lithospermum and the nano-silver antibacterial powder are added according to the mass ratio, so that respective antibacterial advantages can be fully exerted, and the antibacterial and odor-removing effects are realized to the greatest extent.
According to some more preferred embodiments, the absorbent material used in the bacteriostatic absorption layer 103 is non-woven fabric-wrapped super absorbent resin.
According to some preferred embodiments, the bacteriostatic absorption layer 103 is provided with a longitudinal pressing groove, and the transverse section of the bacteriostatic absorption layer 103 is wavy.
According to some more preferred embodiments, the longitudinal pressing groove is obtained by hot-press roller pressing.
It should be noted that, the longitudinal press-fit groove of the bacteriostatic absorption layer makes the bacteriostatic absorption layer present a strip terrace shape, so the transverse interface presents a wave shape as shown in fig. 3, the design can guide the liquid by means of the longitudinal press-fit groove, not only accelerate the infiltration speed, but also disperse the liquid, improve the effective area utilization rate of the bacteriostatic absorption layer, make the bacteriostatic absorption layer uniformly absorb the liquid, and maintain the dryness of the surface of the absorption article.
According to some preferred embodiments, the grammage of the wet-process manufactured super absorbent resin absorbent paper is 20-300 g/m2(for example, it may be 20g/m2、50g/m2、80g/m2、100g/m2、150g/m2、200g/m2、210g/m2、250g/m2Or 300g/m2)；
The particle size of the super absorbent resin is 30-100 meshes (for example, 30 meshes, 40 meshes, 50 meshes, 60 meshes, 70 meshes, 80 meshes, 90 meshes or 100 meshes), the water retention capacity is more than or equal to 25g/g (for example, 25g/g, 30g/g, 35g/g, 40g/g or 50g/g), and the liquid passing capacity is more than or equal to 0.1mL/min (for example, 5mL/min, 10mL/min, 20mL/min, 30mL/min, 40mL/min or 50 mL/min).
It should be noted that the wet-process-made super absorbent resin absorbent paper is formed by uniformly distributing super absorbent resin between two raw paper layers made of wood pulp through wet-process papermaking.
According to some more preferred embodiments, the grammage of the wet-process manufactured super absorbent resin absorbent paper is 70-150 g/m2(for example, it may be 70g/m2、80g/m2、90g/m2、100g/m2、110g/m2、120g/m2、130g/m2、140g/m2Or 150g/m2)。
In the invention, the gram weight of the super absorbent resin absorbent paper is 20-300 g/m2When the gram weight of the absorbent paper is less than 20g/m2When the amount of the super absorbent resin is small, the liquid absorption effect of the absorbent paper is poor; when the gram weight of the absorbent paper is higher than 300g/m2In order to ensure the quality and the water absorption effect of paper, the high water absorption resin is added in a large amount, so that the whole weight of the high water absorption resin water absorption paper is large, the flexibility is influenced, and the portability of an absorption article is reduced; therefore, the absorbent paper is thinner and lighter while ensuring high water absorbency of the absorbent paper, and the grammage of the super absorbent resin absorbent paper of the present invention is preferably in the above range.
The invention also provides a preparation method of the absorbent article, which comprises the following steps:
(1) preparing a bacteriostatic absorption layer containing lavender, lithospermum and nano-silver antibacterial powder;
(2) compounding a first absorption layer above the bacteriostatic absorption layer, and compounding a second absorption layer below the bacteriostatic absorption layer; and then compounding a surface layer above the first absorption layer and compounding a breathable bottom layer below the second absorption layer to obtain the absorption article.
According to some preferred embodiments, the step (1) comprises the steps of:
sequentially crushing and grinding lavender and lithospermum to obtain mixed powder; then uniformly mixing the mixed powder, the nano silver antibacterial powder and the fluff pulp to obtain a mixed filler; wrapping the mixed filler by using an absorption material to obtain an inclusion; and pressing the inclusion by using a hot roller to obtain the antibacterial absorption layer.
According to some preferred embodiments, in the step (2), the two sides of the surface layer are both provided with a three-dimensional enclosure which is higher than the surface layer, and the three-dimensional enclosure is formed by wrapping rubber bands with non-woven fabrics.
It should be noted that at least two rubber bands are compounded on the three-dimensional enclosure.
The length and thickness of each layer of the absorbent article are not particularly limited, and the conventional length and thickness can be adopted.
In order to more clearly illustrate the technical solutions and advantages of the present invention, the present invention is further described below with reference to the following embodiments.
In the following examples, the amounts of lavender, lithospermum, nano silver antibacterial powder and absorbing material components are all expressed in parts by mass.
Example 1
An absorbent article comprises a surface layer (hot air non-woven fabric) 101 and a first absorbent layer (foam layer with a density of 30 g/cm) arranged from top to bottom in sequence as shown in fig. 1-33Above) 102, a bacteriostatic absorbing layer 103, a second absorbing layer (2 layers of wet-made super absorbent resin absorbent paper) 104 and a breathable bottom layer (PE film) 105;
the hole pattern of the through hole on the first absorption layer is circular, and the aperture is 1 mm;
the two sides of the surface layer 101 are both provided with a three-dimensional guard 106 higher than the surface layer 101, and the three-dimensional guard 106 is formed by wrapping rubber bands with non-woven fabrics;
the preparation method comprises the following steps:
(1) preparing the antibacterial absorption layer 103:
crushing 0.5 part of lavender and 0.5 part of lithospermum and then grinding to obtain mixed powder; then uniformly mixing the mixed powder, 1 part of nano-silver antibacterial powder and 5 parts of fluff pulp to obtain a mixed filler; wrapping the mixed filler by 93 parts of an absorbent material (nonwoven fabric wrapped super absorbent resin) to obtain a wrapped body; pressing the inclusion by using a hot roller to obtain a bacteriostatic absorption layer 103;
(2) compounding a first absorption layer 102 above the bacteriostatic absorption layer 103, and compounding a second absorption layer 104 below the bacteriostatic absorption layer 103; then compounding a surface layer above the first absorption layer 102 and a breathable bottom layer 105 below the second absorption layer 104, and arranging three-dimensional fencing 106 on two sides of the surface layer 101 to obtain the absorption article;
wherein the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 100g/m2The particle size of the super absorbent resin is 30-100 meshes, the water retention capacity is 30g/g, and the liquid passing capacity is more than or equal to 0.1 mL/min.
Example 2
An absorbent article comprises a surface layer (bamboo fiber) and a first absorption layer (wet-process super absorbent resin absorbent paper with a gram weight of 150 g/cm)2The above), a bacteriostatic absorption layer, a second absorption layer (2 layers of wet-process super absorbent resin absorbent paper) and a breathable bottom layer (PE film);
the hole pattern of the through hole on the first absorption layer is square, and the aperture is 1.5 mm; the first absorption layer is a small core structure formed by manufacturing high-absorbent resin absorbent paper by a wet method twice through folding, the width of the small core structure is 3-6.5cm, and the length of the small core structure is 6-16 cm;
the two sides of the surface layer are both provided with three-dimensional fenders higher than the surface layer, and the three-dimensional fenders are formed by wrapping rubber bands with non-woven fabrics;
the preparation method comprises the following steps:
(1) preparing a bacteriostatic absorption layer:
crushing 5 parts of lavender and 5 parts of lithospermum and then grinding to obtain mixed powder; then uniformly mixing the mixed powder, 20 parts of nano-silver antibacterial powder and 5 parts of fluff pulp to obtain a mixed filler; then, 65 parts of an absorbing material (non-woven fabric wrapped with super absorbent resin) is adopted to wrap the mixed filler to obtain a wrapped body; pressing the inclusion by using a hot roller to obtain a bacteriostatic absorption layer;
(2) compounding a first absorption layer above the bacteriostatic absorption layer, and compounding a second absorption layer below the bacteriostatic absorption layer; then compounding a surface layer above the first absorption layer and a breathable bottom layer below the second absorption layer, and arranging three-dimensional fencing on two sides of the surface layer to obtain the absorption article;
wherein the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 150g/m2High water absorption treeThe particle size of the lipid is 30-100 meshes, the water retention capacity is 32g/g, and the liquid passing capacity is more than or equal to 0.1 mL/min.
Example 3
An absorbent article comprises a surface layer (spun-bonded non-woven fabric) and a first absorption layer (non-woven fabric wrapped with super absorbent resin with a gram weight of 200 g/cm)2Without through holes), a bacteriostatic absorption layer, a second absorption layer (non-woven fabric wrapped with super absorbent resin) and a breathable bottom layer (PE film);
the two sides of the surface layer are both provided with three-dimensional fenders higher than the surface layer, and the three-dimensional fenders are formed by wrapping rubber bands with non-woven fabrics;
the preparation method comprises the following steps:
(1) preparing a bacteriostatic absorption layer:
crushing 10 parts of lavender and 10 parts of lithospermum and then grinding to obtain mixed powder; then uniformly mixing the mixed powder, 10 parts of nano-silver antibacterial powder and 1 part of fluff pulp to obtain a mixed filler; then adopting 69 parts of absorption material (high water absorption resin absorbent paper manufactured by a wet method) to wrap the mixed filler to obtain a wrapped body; pressing the inclusion by using a hot roller to obtain a bacteriostatic absorption layer;
(2) compounding a first absorption layer above the bacteriostatic absorption layer, and compounding a second absorption layer below the bacteriostatic absorption layer; then compounding a surface layer above the first absorption layer and a breathable bottom layer below the second absorption layer, and arranging three-dimensional fencing on two sides of the surface layer to obtain the absorption article;
wherein the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 70g/m2The particle size of the super absorbent resin is 30-100 meshes, the water retention capacity is 25g/g, and the liquid passing capacity is more than or equal to 0.1 mL/min.
Example 4
Example 4 is essentially the same as example 1, except that:
the antibacterial absorption layer consists of 80 parts of dust-free paper-wrapped super absorbent resin, 5 parts of lavender, 5 parts of lithospermum, 9 parts of nano-silver antibacterial powder and 1 part of fluff pulp;
the first absorption layer is made of non-woven fabric wrapped with super absorbent resin.
Comparative example 1
Comparative example 1 is substantially the same as example 1 except that: no bacteriostatic absorption layer.
Comparative example 2
Comparative example 2 is substantially the same as example 1 except that: the first absorption layer, the bacteriostatic absorption layer and the second absorption layer are replaced by a common absorption layer formed by mixing fluff pulp and super absorbent resin.
Comparative example 3
Comparative example 3 is substantially the same as example 1 except that: the bacteriostatic absorption layer is only composed of non-woven fabric wrapped super absorbent resin and fluff pulp, and lavender, lithospermum and nano-silver antibacterial powder are not added.
The absorbent articles of examples 1 to 4 and comparative examples 1 to 3 were subjected to performance tests in the present invention, respectively, and the results of the performance tests are shown in table 1.
The test method comprises the following steps: taking animal blood for 2 times, each time is 5mL, the 2 times are separated by 10 minutes, and recording the time for completing each absorption as the absorption speed with the unit of s; the reverse osmosis is that after the absorption article absorbs the animal blood for 5min each time, 10g of filter paper is pressed by a 1.2kg weight and placed on the surface layer of the absorption article for 1min, and then the gram weight increased by the filter paper is weighed, and the unit is g.
And a second testing method comprises the following steps: 30 female consumers are selected to try the absorbent articles prepared in the examples 1 to 4 and the comparative examples 1 to 3, and the bacteriostatic and odor-removing effects of the absorbent articles are judged according to the use experience of the consumers. Wherein, the experience result that the bacteriostatic and odor-removing effect is confirmed in the using process is judged to be good bacteriostatic and odor-removing effect.
TABLE 1
It is seen from the comparison data that, compared with comparative examples 1 to 3, examples 1 to 4 have the advantages of higher absorption speed for animal blood, lower reverse osmosis amount, good air permeability and obvious bacteriostasis and odor removal effects, so that the absorbent article prepared by the invention has the characteristics of instant absorption, high absorbability, high dryness and taste removal, and can provide dry and comfortable use experience for consumers.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. The invention has not been described in detail and is not limited thereto.
Claims (10)
1. An absorbent article characterized by:
the absorption article comprises a surface layer, a first absorption layer, a bacteriostatic absorption layer, a second absorption layer and a breathable bottom layer which are sequentially arranged from top to bottom;
the first absorption layer is used for guiding and absorbing liquid;
the bacteriostatic absorption layer and the second absorption layer are used for absorbing liquid;
the antibacterial absorption layer comprises lavender, lithospermum and nano-silver antibacterial powder.
2. The absorbent article of claim 1, wherein:
the two sides of the surface layer are respectively provided with a three-dimensional enclosure which is higher than the surface layer and consists of non-woven fabric wrapped rubber bands;
the surface layer is at least one selected from hot air non-woven fabric, spun-bonded non-woven fabric, pure cotton non-woven fabric or bamboo fiber; preferably, the surface layer is a hot air non-woven fabric.
3. The absorbent article of claim 1, wherein:
the first absorption layer and the second absorption layer are both at least one selected from a foam layer, wet-process manufactured super absorbent resin absorbent paper, dry-process manufactured super absorbent resin absorbent paper, dust-free paper super absorbent resin absorbent paper, a composite core body, a fluff pulp structure or non-woven fabric-wrapped super absorbent resin; and/or
The breathable bottom layer is a PE film.
4. The absorbent article of claim 3, wherein:
the first absorption layer is preferably formed by compounding a small core structure formed by wet-process-made super absorbent resin absorbent paper which is folded at least twice and at least one layer of wet-process-made super absorbent resin absorbent paper; and/or
The second absorption layer is preferably at least one layer of wet-process super absorbent resin absorbent paper.
5. The absorbent article according to claim 1 or 3, wherein:
the first absorption layer is provided with a plurality of through holes; the hole pattern of the through hole is at least one selected from the group consisting of round, oval, square, wave, heart and star, and the aperture of the through hole is 0.5-1.5 mm;
the density of the first absorption layer is more than 30g/cm3。
6. The absorbent article of claim 1, wherein:
the absorption material adopted by the bacteriostatic absorption layer is at least one selected from a foam layer, wet-method manufactured high-water-absorption resin absorbent paper, dry-method manufactured high-water-absorption resin absorbent paper, dust-free paper high-water-absorption resin absorbent paper, a composite core body, a fluff pulp structure or a non-woven fabric-wrapped high-water-absorption resin; preferably, the super absorbent resin is wrapped by non-woven fabrics;
the antibacterial absorption layer comprises the following components in parts by weight: 65-98 parts of absorbing material, 0.1-10 parts of lavender, 0.1-10 parts of lithospermum, 0.2-20 parts of nano silver antibacterial powder and 1-5 parts of fluff pulp.
7. The absorbent article of claim 1, wherein:
the bacteriostatic absorption layer is provided with a longitudinal pressing groove, and the transverse section of the bacteriostatic absorption layer is wavy; preferably, the longitudinal pressing groove is formed by pressing through a hot pressing roller.
8. The absorbent article of claim 3 or 6, wherein:
the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 20-300 g/m2(ii) a Preferably, the gram weight of the super absorbent resin absorbent paper manufactured by the wet method is 70-150 g/m2(ii) a And/or
The particle size of the super absorbent resin is 30-100 meshes, the water retention capacity is more than or equal to 25g/g, and the liquid passing capacity is more than or equal to 0.1 mL/min.
9. A method for manufacturing an absorbent article according to any of claims 1 to 8, characterized in that the manufacturing method comprises the steps of:
(1) preparing a bacteriostatic absorption layer containing lavender, lithospermum and nano-silver antibacterial powder;
(2) compounding a first absorption layer above the bacteriostatic absorption layer, and compounding a second absorption layer below the bacteriostatic absorption layer; and then compounding a surface layer above the first absorption layer and compounding a breathable bottom layer below the second absorption layer to obtain the absorption article.
10. The method of claim 9, wherein:
the step (1) comprises the following steps:
sequentially crushing and grinding lavender and lithospermum to obtain mixed powder; then uniformly mixing the mixed powder, the nano silver antibacterial powder and the fluff pulp to obtain a mixed filler; wrapping the mixed filler by using an absorption material to obtain an inclusion; pressing the inclusion by using a hot roller to obtain the bacteriostatic absorption layer; and/or
In the step (2), the two sides of the surface layer are both provided with a three-dimensional enclosure which is higher than the surface layer, and the three-dimensional enclosure is formed by wrapping rubber bands with non-woven fabrics.
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| CN116831822A (en) * | 2023-07-31 | 2023-10-03 | 诺宸股份有限公司 | Absorbent article and preparation method thereof |
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