CN109820650A - A kind of absorbent article and its core - Google Patents
A kind of absorbent article and its core Download PDFInfo
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- CN109820650A CN109820650A CN201910112559.6A CN201910112559A CN109820650A CN 109820650 A CN109820650 A CN 109820650A CN 201910112559 A CN201910112559 A CN 201910112559A CN 109820650 A CN109820650 A CN 109820650A
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Classifications
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- 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
-
- 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
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
A kind of absorbent article and its core, the water imbibition core includes at least one layer of super absorbent resin layer and an at least cotton fiber layer, the core absorbs 300ml water, suck the time 7~15 seconds, blot the time 20~30 seconds, with a thickness of 20~35mm after the 2~6mm of core thickness, water absorption 500ml.The mixture upper and lower surface has clean paper layer.Using the core, the absorption speed and water absorption of core are improved, the integral thickness after reducing water suction improves the comfort used, and reduce costs, and more environmentally-friendly.
Description
Technical field
This application involves belong to personal hygiene article field more particularly to a kind of absorbent article and it includes
Water-absorption core body.
Background technique
Current core body technique has: 1. wood pulps (being commonly called as Time of Fluff Slurry)+hydroscopic high-molecular resin mixed structure (Universal Product
In 90% accounting)；2, full core (is the hydroscopic high-molecular resin or 1-2 kind hydroscopic high-molecular resin group by a variety of different models
At) structure (in Universal Product 10% accounting, nearly 2 years in Asian market protrusion)；3. half core (is that above 2 kinds of structures are each
It accounts for half to mix).
1, wood pulp+hydroscopic high-molecular resin structure (see Fig. 1):
Absorbent article currently on the market, including paper diaper draw trousers, and sanitary napkin etc., various products style is tinkling of jades
It meets the eye on every side, but essential structure is similar.By taking paper diaper as an example, the material for manufacturing paper diaper generally includes non-woven fabrics, wood pulp, height
Molecule water-absorbing resin, synthetic fiber spinning fiber, PE ventilated membrane, spandex thread, sticker (preceding+left and right), waistline tightness band etc..
The absorptive core of absorbent article is the composition portion of most crucial (function value core and price value core)
Point.Core is divided into six big layers: surface layer, guide layer, wood pulp, hydroscopic high-molecular resin layer, water lock layer, counterdie.
Wood pulp paraphrase: by bleaching, dissolution, softens a kind of paper pulp as water sucting medium after timber at extracting,
It is widely used in health product.
Wood pulp core disadvantage: wood pulp core will lead to paper diaper thickness (in terms of L code monolithic gram since wood pulp loading is big
Surpass 30 grams or more again) increase, the characteristics of because of its technique, it is also easy to produce the fault-layer-phenomenon that sticks together, so as to cause the generation of leakage of urine situation.
Meanwhile wood pulp is both needed to bleach in process of production, is easy chemical substance caused by residual bleaching.Also due to wooden in wood pulp core
The usage amount of slurry is big, is also easy to produce excessively asking for the forest reserves.The degradability of polymeric absorbent resin is poor, meanwhile, it inhales
Resin is received because of its polymerization process features, can inevitably generate acrylic monomers residual, and acrylic monomers has obvious skin irritatin
Property, the risk of red wind wind can not be ignored.
2, full core (see Fig. 2):
In Asia especially Chinese market, user is thin to absorbent article pursuit, ultra-thin, has devised full core
Infrastructure product, full core can be such that absorbent article becomes thinner.It is carried out using synthetic fiber spinning fiber and a large amount of adhesive
Hydroscopic high-molecular resin is compound, and wood pulp usage amount is reduced, so that core is closer and frivolous.
Full core disadvantage: but also due to the technique application, cause the water-absorbing resin after absorbing closely to be arranged, lead
Cause absorbent properties reduction again.The thermosol of full core is relatively more, will lead to the taste that product residue has adhesive, causes people
It is uncomfortable.In use, due to the expansion and absorption of polymeric absorbent resin, product is caused to be hardened, also affects use
Impression.As PETROLEUM PROCESSING product, the degradability of polymeric absorbent resin is poor, meanwhile, resin is absorbed because of its polymerization technique
Feature can inevitably generate acrylic monomers residual, and acrylic monomers has obvious skin irritation, and the risk of " red wind wind " is not
Hold and ignores.
3. half core (see Fig. 3)
Since half core is wood pulp (being commonly called as Time of Fluff Slurry)+hydroscopic high-molecular resin mixed structure and full core
The two is composed, and equally exists defect existing for above-mentioned the two.
Summary of the invention
In view of the foregoing drawbacks, the application provides a kind of novel core, does not use wood pulp, needs not move through bleaching, not residual
Stay bleaching chemical.Meanwhile this core reduces by 30% hydroscopic high-molecular resin dosage, greatly reduces high score on the whole
Son absorbs the usage amount of resin, meanwhile, the comfort and water imbibition of product are improved, its thickness of this core water suction front and back is equal
Significantly lower than existing similar product.Therefore it provides a kind of novel absorbent core, specific technical solution are as follows:
A kind of water imbibition core, which is characterized in that the water imbibition core include at least one layer of super absorbent resin layer with
At least one layer of cotton fiber layer body, the core absorb 300ml water, suck the time 7~15 seconds, blot the time 20~30 seconds, the core
With a thickness of 20~35mm after 2~6mm of body thickness, water absorption 500ml.Have above-mentioned parameter it is found that the performance of the core surmount it is existing
The performance of all cores in technology.
It is preferred that the water imbibition core is to spray granular macromolecule water uptake on cotton fiber layer and/or below
Resin layer is formed, it is described above macromolecule water uptake resin be 60~90 grams every square metre, the cotton fiber layer be 100~
140 grams every square metre, the macromolecule water uptake resin layer of sprinkling below is 100~140 grams every square metre.
It is preferred that the macromolecule water uptake resin sprayed above is 75 grams every square metre, the cotton fiber layer is 125
Gram every square metre, the macromolecule water uptake resin sprayed below is 125 grams every square metre.
It is preferred that the core by N layers of cotton fiber layer and N+1 layers of super absorbent resin interlayer every being formed by stacking, wherein N is
Integer is more than or equal to 1.
It is preferred that 100~300 grams of the every Gram Mass of cotton fiber layer, cotton fiber is medium staple cotton, fibre length is 23~
33mm, cotton fiber fineness are 3.7~4.2, unit mic value.
It is preferred that 200 grams of the every Gram Mass of cotton fiber layer.
It is preferred that the core absorbs 300ml water, sucks the time 10 seconds, blot the time 25 seconds.
It is preferred that with a thickness of 30mm after the core thickness 4mm, water absorption 500ml.
A kind of personal hygiene article, which is characterized in that it includes core described at least one layer.
It is preferred that the personal hygiene article is paper diaper, draws trousers or sanitary napkin.
Do not find the technical solution that water imbibition core is used to prepare using cotton fiber in the prior art, in the prior art
Any technical inspiration that core can be prepared using cotton fiber is not provided.It is prepared by creative being used as using cotton fiber of the application
The raw material of core, improves the performance of water imbibition core, and manufacturing cost is greatly lowered, and belongs to the one of personal hygiene products
Kind developing sexual development, replaces wood pulp or chemical fibre using cotton fiber, and sets the sprinkling macromolecule water uptake resin above as 60
~90 grams every square metre, the cotton fiber is 100~140 grams every square metre, and the macromolecule water uptake resin of sprinkling below is
100-140 grams every square metre, when reaching identical function compared to existing product, it is only necessary to originally general 70% or so height
The amount of molecule water-absorbing resin reduces the dosage of water-absorbing resins, reduces the pollution to environment, and easily decomposes.
The core of the application creates the absorbability of new construction with cotton fiber substitution wood pulp and synthetic fiber spinning fiber
Amenities --- absorbent core layer product, referred to as " cotton core body " structure.The absorbent article of this new construction can solve
Various problems existing for the absorbent article of the above-mentioned various different cores described at present.
Cotton paraphrase: cotton main component is native cellulose, is existed between fiber there are many natural hydrophilic gap,
Therefore cotton have high-hydroscopicity and strong security, cotton can be used as with water-absorbing resin ining conjunction with it is complementary, one suction one lock is more suitable for answering
Used in infant's product and amenities.
Cotton core uses cotton, belongs to natural material, and cotton substitutes wood pulp and synthetic fiber spinning fiber, absorbability
It is substantially better than wood pulp cellulose, material is filled primarily with using cotton substitution wood pulp as absorbent article, fibre can be greatly reduced
The usage amount of dimension.Wood pulp price steadiness, can according to big 10 grams of code paper diaper dosage, one ton of wood pulp every about 7500 yuan/ton
To produce 100,000 paper diaper.And cotton can be fluctuated because of natural crops with weather and economic environment, price exists at present
About 20000 yuan/ton fluctuations, can produce 250,000 paper diaper according to big 4 grams of code paper diaper dosage, one ton of every, cotton.Two
The monolithic paper diaper price of person is suitable.
Simultaneously using structural core most crucial in corresponding new process manufacture urine pants, to the primary of production equipment
Technological innovation reaches energy-saving and emission-reduction, safety and environmental protection on the basis of efficiency is substantially improved, and comfortable three big strong relationships are invented,
It is the 4th kind of absorbent article knot after wood pulp+hydroscopic high-molecular resin structure, full core, half core
Structure: core used in absorbent article made of being processed using one or more layers cotton as majority fibers composition, referred to as
" cotton core ".This structure uses one or more layers cotton+hydroscopic high-molecular resin structure composite structure composition, specifically such as
Under:
First layer uses dust-free paper, and dust-free paper has unique physical property, shows as high-tension, and softness, is hung down at feel
Feel splendid, there are high water absorbing properties, be widely used in sanitary care article, the fields such as specific medical articles！
The second layer uses hydroscopic high-molecular resin, it can absorb the liquid of its own weight decades of times, and have very strong
Water holding capacity, super strength water absorbent or high water-retaining agent so it is otherwise known as.Chemically from structure, super absorbent resin is
The high molecular polymer of low crosslinking degree or partially crystallizable with many hydrophilic radicals.Health field is mainly used for sanitary napkin, paper
The raw material of urine pants.
For third layer using cotton as being filled primarily with material, main component is native cellulose, due to cotton fiber it
Between there are many hydrophilic gap, be 5 times of wood pulp, and cotton has gas permeability high, natural so the water imbibition of cotton is high
It is antibiotic property, soft comfortable and the features such as possess the water suction of extraordinary flow conductivity moment.
Absorbent central layer according to product design and use demand, can repeat the structure supplement of second layer third layer.Cotton
Layer up and down, can fill other water-absorbing materials according to product design
Bottom uses dust-free paper, and non-woven fabrics, a kind of non-woven cloth of non-woven fabrics, widely used, non-woven fabrics also can be used
It is environment-friendly materials of new generation, there is ventilative, flexible, light, not combustion-supporting, easy decomposition, nontoxic nonirritant, recyclable benefit again
With etc. high-quality feature.
The utility model has the advantages that
1, environmental emission reduction: at present there is greatly environmentally friendly hidden danger in Chinese market absorbent article, assist according to Chinese papermaking
Meeting statistical data shows that the absorbent article that China generates every year is up to 70,000,000,000, the garbage loading embeading skill that China uses
Art, annual landfill need 3,000,000 cubes, and volume is approximately equal to the water capacity of Guangdong Wan Lvhu.More frighteningly, entire absorbability
In amenities structure, in addition to wood pulp degradation time is 180 days or so, remaining material is up to 8-10, and absorbent sanitary is used
The compound average growth rate of product series of products market scale is 11% or so.And in new scheme, using cotton as being filled primarily with material
Material, biodegradability is excellent, after 3 months can natural biological be degraded to organic fertilizer.And cotton in plantation and produced
Journey can effectively receive exhaust emissions (with reference to the big advantage data of cotton 10).Polymeric absorbent resin, degradable time are 8~10
Year, but because cotton has the water imbibition and bulkiness for being better than 5 times of Time of Fluff Slurry or so, in the case where same absorption function,
Hydroscopic high-molecular resin usage amount can reduce by 30%, directly reduce the raw material usage amount of macromolecule resin.
2, healthiness: the characteristic of cotton determines the comfort used.Loose, soft sense of touch allows Neonatal Health to grow fastly.
3, both effectiveness: the performance of product is completely out of existing product, obtains and absorbs 300ml water, sucks the time 7~15
Second, blot the time 20~30 seconds, with a thickness of 20-35mm after the 2~6mm of core thickness, water absorption 500ml, cotton absorbs speed
Degree is 5 times of Time of Fluff Slurry, that is, substantially lowers time of contact of the urine through infant skin, the infiltration rate of traditional core product
About 35 seconds, and new scheme then only needs to accomplish within 10 seconds to fully absorb.Quickly it will be red newborn will to be greatly lowered in absorption
The incidence of wind wind.
4, safety: the natural characteristic of cotton material, material property can directly apply to absorbent sanitary without bleaching
Pollution by Chemicals risk is effectively reduced in the manufacture of articles core, and the security performance of product can be allowed to be substantially improved, and can be perfect
The national standard of Chinese absorbent sanitary sample series product.
5, industry help: China's absorbent article series of products at present, core starting materials wood pulp 80% need to rely on into
Mouthful.Simultaneously China Xinjiang region be used as global core cotton production areas, by research and development new product, on the one hand reduce import according to
Bad risk, on the other hand, it will the industrial applications of crops are substantially improved, cotton, which is largely planted, can also absorb tail gas row
It puts.
6, social responsibility: being promoted, performance boost in environmental protection, and under the premise of degradation accelerates, propulsion energy-saving emission reduction is increased and produced
Industry is helped.
Detailed description of the invention
Fig. 1 is wood pulp (being commonly called as Time of Fluff Slurry)+hydroscopic high-molecular resin mixed structure schematic diagram；
Fig. 2 is full core schematic diagram；
Fig. 3 is half core structural schematic diagram；
Fig. 4 is cotton core body structural schematic diagram.
Macromolecule water uptake sprays resin is on cotton fiber layer in Fig. 4 and/or in the following, it is mixed into cotton fiber layer
One, Fig. 4 are to indicate clear, are distinguished the two by the way of layering in attached drawing.
1, dust-free paper in attached drawing；2, hydroscopic high-molecular resin and wood pulp mixing；3, non-woven fabrics；4, macromolecule water uptake tree
Rouge；5, fluffy cloth；6, half core；The mixing of 7 macromolecule wood pulps；8, cotton.
Specific embodiment
A kind of water imbibition core, which is characterized in that the water imbibition core include at least one layer of super absorbent resin layer with
At least one layer of cotton fiber layer body, the core absorb 300ml water, suck the time 7~15 seconds, blot the time 20~30 seconds, the core
With a thickness of 20~35mm after 2~6mm of body thickness, water absorption 500ml.
It is preferred that the water imbibition core is to spray granular macromolecule water uptake on cotton fiber layer and/or below
Resin layer is formed, it is described above macromolecule water uptake resin be 60~90 grams every cubic metre, the cotton fiber layer be 100~
140 grams every square metre, the macromolecule water uptake resin layer of sprinkling below is 100~140 grams every square metre.
It is preferred that the macromolecule water uptake resin sprayed above is 75 grams every square metre, the cotton fiber layer is 125
Gram every square metre, the macromolecule water uptake resin sprayed below is 125 grams every square metre.
It is preferred that the core by N layers of cotton fiber layer and N+1 layers of super absorbent resin interlayer every being formed by stacking, wherein N is
Integer is more than or equal to 1.
It is preferred that 100~300 grams of the every Gram Mass of cotton fiber layer, cotton fiber is medium staple cotton, fibre length is 23~
33mm, cotton fiber fineness are 3.7~4.2, unit mic value.
It is preferred that 200 grams of the every Gram Mass of cotton fiber layer.
It is preferred that the core absorbs 300ml water, sucks the time 10 seconds, blot the time 25 seconds.
It is preferred that with a thickness of 30mm after the core thickness 4mm, water absorption 500ml.
A kind of personal hygiene article, which is characterized in that it includes core described at least one layer.
It is preferred that the personal hygiene article is paper diaper, draws trousers or sanitary napkin.
By taking paper diaper as an example, to carry out experimental test, part Experiment knot to the product of cotton core comfortably for standard
Fruit is as follows:
The thickness and weight of the corresponding one big code paper diaper of the different cores of table 1
| Brand | Flower king | It is curious | Side is precious suitable | Jin Beirou | Dew is quiet and comfortable | New research and development |
| Core | Wood pulp | Wood pulp | Wood pulp | Half core | Full core | Cotton core body |
| Weight (g) | 35 | 36 | 35 | 30 | 28 | 24 |
| Thickness (mm) | 10 | 12 | 12 | 10 | 8 | 3 |
The corresponding one big code paper diaper difference core thickness of table 2
| Core | Wood pulp | Half core | Full core | Cotton core body |
| Weight (g) | 35 | 30 | 28 | 24 |
| Thickness (mm) | 9~12 | 9~10 | 7~8 | 2~3 |
The thickness that the different cores of table 3 correspond to the maximum water absorption of paper diaper and reach after absorbing water
| Core | Wood pulp | Half core | Full core | Cotton core body |
| Water absorption (ml) | 350~400 | 400 | 380 | 500 |
| Thickness (mm) | 50~60 | 60 | 55 | 30 |
The different cores of table 4 correspond to soak time when the same water absorption of paper diaper
| Core | Wood pulp | Half core | Full core | Cotton core body |
| Water absorption (ml) | 300 | 300 | 300 | 300 |
| Suck the time (s) | 30~40 | 40 | 30 | 10 |
| Blot the time (s) | 90~100 | 80 | 60 | 25 |
Claims (10)
1. a kind of water imbibition core, which is characterized in that the water imbibition core is including at least one layer of super absorbent resin layer and extremely
Few cotton fiber layer body, the core absorb 300ml water, suck the time 7~15 seconds, blot the time 20~30 seconds, and the core is thick
With a thickness of 20~35mm after degree 2~6mm, water absorption 500ml.
2. water imbibition core according to claim 1, which is characterized in that the water imbibition core is on cotton fiber layer
And/or spray granular macromolecule water uptake resin layer below and formed, it is described above macromolecule water uptake resin be 60~
90 grams every square metre, the cotton fiber layer is 100~140 grams every square metre, described to spray macromolecule water uptake resin layer below
It is 100~140 grams every square metre.
3. water imbibition core according to claim 2, which is characterized in that the macromolecule water uptake resin sprayed above
It is 75 grams every square metre, the cotton fiber layer is 125 grams every square metre, and the macromolecule water uptake resin sprayed below is
125 grams every square metre.
4. water imbibition core according to claim 1, which is characterized in that the core is high by N layers of cotton fiber layer and N+1 layers
Water-absorbing resins interlayer is every being formed by stacking, and wherein N is integer, is more than or equal to 1.
5. water imbibition core according to claim 1, which is characterized in that the every Gram Mass 100~300 of cotton fiber layer
Gram, cotton fiber is medium staple cotton, and fibre length is 23~33mm, and cotton fiber fineness is 3.7~4.2, unit mic value.
6. water imbibition core according to claim 5, which is characterized in that 200 grams of the every Gram Mass of cotton fiber layer.
7. water imbibition core according to claim 1, which is characterized in that the core absorbs 300ml water, sucks the time 10
Second, blot the time 25 seconds.
8. water imbibition core according to claim 8, which is characterized in that after the core thickness 4mm, water absorption 500ml
With a thickness of 30mm.
9. a kind of personal hygiene article, which is characterized in that it includes at least one layer of core any according to claim 1~8
Body.
10. personal hygiene article according to claim 9, which is characterized in that the personal hygiene article is paper diaper, draws
Draw trousers or sanitary napkin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112559.6A CN109820650A (en) | 2019-02-13 | 2019-02-13 | A kind of absorbent article and its core |
| PCT/CN2020/084357 WO2020164642A2 (en) | 2019-02-13 | 2020-04-12 | Absorbent hygiene product and core thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112559.6A CN109820650A (en) | 2019-02-13 | 2019-02-13 | A kind of absorbent article and its core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109820650A true CN109820650A (en) | 2019-05-31 |
Family
ID=66862063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910112559.6A Pending CN109820650A (en) | 2019-02-13 | 2019-02-13 | A kind of absorbent article and its core |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109820650A (en) |
| WO (1) | WO2020164642A2 (en) |
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| WO2020164643A3 (en) * | 2019-02-13 | 2020-10-08 | 深圳市棉芯科技有限公司 | Absorbent cotton core and personal hygiene product using cotton core |
| WO2020164642A3 (en) * | 2019-02-13 | 2020-10-08 | 深圳市棉芯科技有限公司 | Absorbent hygiene product and core thereof |
| WO2021093257A1 (en) * | 2019-11-15 | 2021-05-20 | 深圳市棉芯科技有限公司 | Gel-free needle-punching absorbent core and sanitary product comprising the core |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020164643A3 (en) * | 2019-02-13 | 2020-10-08 | 深圳市棉芯科技有限公司 | Absorbent cotton core and personal hygiene product using cotton core |
| WO2020164642A3 (en) * | 2019-02-13 | 2020-10-08 | 深圳市棉芯科技有限公司 | Absorbent hygiene product and core thereof |
| WO2021093257A1 (en) * | 2019-11-15 | 2021-05-20 | 深圳市棉芯科技有限公司 | Gel-free needle-punching absorbent core and sanitary product comprising the core |
| WO2021098130A1 (en) * | 2019-11-22 | 2021-05-27 | 深圳市棉芯科技有限公司 | Apparatus for preparing needle punched glue-free absorbent core |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020164642A2 (en) | 2020-08-20 |
| WO2020164642A3 (en) | 2020-10-08 |
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Application publication date: 20190531 |