CN109758305A - A kind of paper diaper absorptive core and preparation method thereof - Google Patents
A kind of paper diaper absorptive core and preparation method thereof Download PDFInfo
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- CN109758305A CN109758305A CN201910142858.4A CN201910142858A CN109758305A CN 109758305 A CN109758305 A CN 109758305A CN 201910142858 A CN201910142858 A CN 201910142858A CN 109758305 A CN109758305 A CN 109758305A
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- absorptive core
- paper diaper
- clad
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- absorbent layer
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Abstract
The embodiment of the invention discloses a kind of paper diaper absorptive cores and preparation method thereof, the absorptive core includes ontology, the ontology includes the upper clad being sequentially stacked from top to bottom, the first polymeric absorbent layer, fluffy cotton layer, the second polymeric absorbent layer and lower clad, the absorptive core is by the way that by the two side ends of ontology, clad bending is obtained on ontology, and two side ends interval is opposite after bending, to form groove in absorptive core upper surface.The problems such as it improves absorptive core in the prior art to the absorptive core, can effectively solve the problems, such as that Time of Fluff Slurry core acts the tomography that sticks together, while improve the liquid diffusibility and core utilization rate of ultra-thin compound core body.
Description
Technical field
The present invention relates to infant's sanitary care article technical fields, and in particular to a kind of paper diaper absorptive core and its system
Preparation Method.
Background technique
Paper diaper are the infant's disposable sanitary articles being combined by non-woven fabrics and absorptive core, are mainly used to absorb baby
The urine of child.The part that urine is absorbed in paper diaper is absorptive core, and absorptive core is manufacture paper diaper, sanitary napkin, protection pad
One of the chief component of equal disposable sanitary articles.The design of the paper diaper core of global different zones is different, and main point
For Time of Fluff Slurry core and compound core body.
Time of Fluff Slurry core is mainly dispersed in by super absorbent resin (SAP) particle to be formed in fluff pulp fibers, American-European state
Family generallys use this core, and it is empty can to provide a temporary liquid storage for paper diaper for the presence of Time of Fluff Slurry in this core
Between, help quickly to absorb liquid.But in use, conglomeration, fracture or clot phenomenon easily occur for core.Composite core
Body, mainly in a kind of widely applied core of China, mainly by intermediate one layer of non-woven cloth (loft nonwoven cloth), on
Under be the hygienic materials such as SAP and dust-free paper, part SAP is bonded on the hygienic materials such as dust-free paper, part SAP can embedded in centre
In non-woven cloth (loft nonwoven cloth).This compound core body can also guarantee the preferable globality of core after absorbing liquid, and
And entirely technical process is more simple.This core shortcoming is not enough to the diffusion of liquid, and the utilization of core is caused
Rate is lower, and the probability that when ight leaks is relatively high, it is possible to will lead to skin erythema.
It needs to make improvements absorptive core in the prior art, to overcome the above problem.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of paper diaper absorptive core, to absorptive core in the prior art
It is improved, can effectively solve the problems, such as that Time of Fluff Slurry core acts the tomography that sticks together, while the liquid for improving ultra-thin compound core body expands
The problems such as dissipating property and core utilization rate, the paper diaper of acquisition are in the side such as " thin ", " overall absorption " and " each position comfort level "
Face obtains better balance, to obtain paper diaper that are a ultra-thin and inhaling function with wink.The embodiment of the invention also provides institute
State the preparation method of paper diaper absorptive core.
To achieve the above object, the embodiment of the present invention provides a kind of paper diaper absorptive core, and the absorptive core includes this
Body, the ontology include the upper clad being sequentially stacked from top to bottom, the first polymeric absorbent layer, fluffy cotton layer, the second high score
Sub- absorbed layer and lower clad, the absorptive core by the way that by the two side ends of ontology, clad bending is obtained on ontology, and
Two side ends interval is opposite after bending, to form groove in absorptive core upper surface.
The upper clad and lower clad can choose spunlace non-woven cloth, dust-free paper or wet-strength paper；Upper clad is under
Clad can be identical material, also can choose different materials.
It include absorbing material particle, the absorbing material in the first polymeric absorbent layer and the second polymeric absorbent layer
Particle may include super absorbent resin (SAP) particle.Super absorbent resin be with hydrophilic radical, can largely absorb moisture and
Swelling is able to maintain the synthetic resin that moisture does not outflow, including starch grafted acrylate class, graft acrylamide, high substitution again
Spend cross-linked carboxymethyl cellulose, cross-linked carboxymethyl cellulose graft acrylamide, cross-linking type hydroxyethyl cellulose grafted propylene acyl
Amine polymer etc. generally can be absorbed and be equivalent to 100 times of resin volume or more of moisture, highest water absorption rate up to 1000 times with
On, generally as medical material, such as diaper, sanitary napkin, industrially also act as plugging material.
In one embodiment, the first polymeric absorbent layer and the second polymeric absorbent layer include different absorptions
Material granule and/or each polymeric absorbent layer include the absorbing material particle of two kinds of performances or more.Preparing absorptive core
In the process, the absorbing material particle that each polymeric absorbent layer is included can be different, for example including different types of high water absorption
Property resin particle and/or including two or more Super Absorbent Polymer Particles, can also include the absorption material that different size levels are matched
Particle is expected, so as to obtain better absorbent properties and core appearance/mechanical performance and comfort level etc..
The fluffy cotton layer can be ES fiber (Ethylene-Propylene Side By Side, a kind of polyolefin
Thermal bonding composite fibre) and PET fiber (Polyester Fibers, polyester fiber) mixing after obtained through hot blast adhesion it is fluffy
Loose non-woven cloth.
In one embodiment, the fluffy cotton layer is mixed using the ES fiber of 1.5-4 denier and the PET fiber of 5-8 denier
The loft nonwoven cloth of 20-45gsm (gram/square meters, every square meter grammes per square metre) is obtained through hot blast adhesion after conjunction.
Every layer in above-mentioned 5 layers of structure of the ontology of thickness is not limited strictly, integral thickness need to be less than 10mm,
Can according to usual way in the prior art or according to product for user group difference come flexible setting, such as can basis
Target user's age (such as baby's month), usage time interval (daily or ight) and usage scenario (on the way such as house or travelling)
Factor distinguishes the different plans of establishment.These plans of establishment are not it is known to the person skilled in the art that need
Paying creative labor can be obtained.
Further, the groove two sides are respectively left kink and right kink, and the groove is arranged in the absorption
The middle part of core upper surface, so that the left kink and right kink are symmetrical relative to the groove.
Further, width of the groove on the absorptive core upper surface is the 1/10 of the absorptive core width
To 1/2.For the groove in the middle part of absorptive core, in the case where body thickness is certain, the aforementioned proportion of recess width is
Preferably selection so that big quantity of fluid can be absorbed rapidly, or provides an effective accommodation space for instantaneous big quantity of fluid；Again
Core itself can be made to keep preferable integrality and comfort level.In one embodiment, the groove is in the absorbent cores
Width on body upper surface is the 1/10 to 1/5 of the absorptive core width.
Further, the two side ends are parallel after bending, and the width on the absorptive core upper surface is 5-20cm, preferably
10-20cm.The area that can increase groove contact liq as far as possible is arranged in parallel in two side ends；And above-mentioned width range is mainly for baby
Child target customer is than better suited recess width range.
Further, upper clad, the first polymeric absorbent layer, fluffy cotton layer, the second polymeric absorbent in the ontology
Layer and lower clad are successively laid with according to sequence from top to bottom；And clad chooses slim material up and down.Above-mentioned setting can
To facilitate the preparation process of subsequent absorption core, and upper clad bend at both ends of the body after immerse inside core, and lower cladding
Layer forms the external protection of core after bending at both ends of the body, therefore selection can be advanced optimized from material and thickness.
In one embodiment, the upper clad be 13gsm wet-strength paper, lower clad be 30gsm directly spread spun lacing without
Woven fabric.The fluffy cotton obtains the fluffy non-of 35gsm through hot blast adhesion using after the ES fiber of 4 denier and the PET fiber mixing of 6 denier
Woven cloths.
The embodiment of the invention also provides the preparation methods of the paper diaper absorptive core, and the method includes following steps
It is rapid:
(1) the fluffy cotton roll as fluffy cotton layer is unfolded, the second absorbing material particle is dispersed in fluffy cotton towards upper
On the second surface of side, the second polymeric absorbent layer is formed；
(2) by glue spraying after the expansion of the material volume as lower clad, the glue spraying face of lower clad is then covered second
On polymeric absorbent layer；
(3) gains of step (2) are overturn, the first surface for keeping fluffy cotton opposite with second surface upward, then will
First absorbing material particle is spread on the first surface, forms the first polymeric absorbent layer；
(4) by glue spraying after the expansion of the material volume as upper clad, the glue spraying face of upper clad is then covered first
On polymeric absorbent layer；
(5) semi-finished product made from step (4) are cut according to width requirement, obtains ontology, wound spare；
(6) by the two side ends on body width direction, clad is bent on ontology, obtains the paper diaper absorptive core.
Further, the method also includes before step (6), to the upper clad of left kink and right kink
The step of outer surface glue spraying.By to the upper cover surface glue spraying at two, so that in subsequent step that ontology two side ends are curved
After folding, left kink and right kink can relatively securely be formed, so that the structure of absorptive core keeps relative stability.
Technical solution of the present invention is by fluffy cotton layer, the second polymeric absorbent layer, lower clad, the first polymeric absorbent layer
After successively bonding with upper clad, the absorption that recess width accounts for overall width 1/10 to 1/5 can be obtained after folding machine folds
Core.Contain four layers of polymeric absorbent layer in folded absorptive core, is made up while increasing macromolecule absorption material dosage
Macromolecule absorption material absorbs the problem of expansion space deficiency after liquid, provides one for the macromolecule absorption material after absorbing water
A biggish liquid storage space facilitates quickly and absorbs liquid in large quantities.Ontology forms groove after folding, and mentions for paper diaper
Liquid-conveying ducts have been supplied, has made urine fast guiding to paper diaper both ends, the utilization rate of macromolecule absorption material can be effectively improved.It should
Absorptive core compared with existing core, absorption speed faster, more evenly, water absorption it is also bigger, it is ensured that baby is in 5-
It also keeps dry and comfortable in the case where 10 bubble urine, the sleep quality of baby and mother can be improved simultaneously.
The technical solution of the embodiment of the present invention has the further advantage that
1, improvement is made on the basis of existing compound core body structure, both can have effectively solved Time of Fluff Slurry core and has acted the tomography that sticks together
The problem of, and the liquid diffusibility and core utilization rate of ultra-thin compound core body can be improved.
2, it is easy to be easy the width to groove with adjusting to the material category and size level of different polymeric absorbent layers
It adjusts, to adapt to different customer groups；
3, preparation method is convenient for flow line production, convenient for extensive manufacture.
Detailed description of the invention
Fig. 1 is the body cross-section schematic diagram of paper diaper absorptive core provided in an embodiment of the present invention.
Fig. 2 is the cross-sectional view of paper diaper absorptive core provided in an embodiment of the present invention.
Fig. 3 is the assembly line schematic diagram of the preparation method of paper diaper absorptive core provided in an embodiment of the present invention.
Wherein appended drawing reference are as follows:
1, upper clad；2, the first polymeric absorbent layer；3, fluffy cotton layer；4, the second polymeric absorbent layer；5, lower cladding
Layer；6, groove；7, left-hand end；8, right-hand end；9, left kink；10, right kink；11, fluffy cotton unreels；12, the second high score
Sub- the first particle of absorbing material is spread；13, second the second particle of macromolecule absorption material is spread；14, lower clad unreels；15,
Lower clad glue spraying；16, first the first particle of macromolecule absorption material is spread；17, first the second particle of macromolecule absorption material
It spreads；18, upper clad unreels；19, upper clad glue spraying；20, cutting obtains ontology and winds.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term, be merely convenient to chat
That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing skill without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in Figure 1, it is shown that the body cross-section of paper diaper absorptive core provided by one embodiment of the present invention is illustrated
Figure.The ontology includes that the upper clad 1 being sequentially stacked from top to bottom, the first polymeric absorbent layer 2, fluffy cotton layer are 3, second high
Molecule absorption layer 4 and lower clad 5.Upper clad 1 is 13gsm wet-strength paper, and lower clad 5 is that 30gsm directly spreads spunlace non-woven cloth.
Fluffy cotton obtains the loft nonwoven cloth of 35gsm through hot blast adhesion using after the ES fiber of 4 denier and the PET fiber mixing of 6 denier.
Embodiment 2
As shown in Figure 2, it is shown that the cross-sectional view of paper diaper absorptive core provided by one embodiment of the present invention.Institute
State that absorptive core can regard ontology two side ends 7 in Fig. 1 as, 8 upward clads 1 bend to obtain, and two side ends 7,8 after bending
Interval is opposite, to form groove 6 in absorptive core upper surface.It is left kink 9 on the left of groove 6, right side is right kink 10.
The middle part of the absorptive core upper surface is arranged in groove 6, so that the left kink 9 and right kink phase 10 are for institute
It is symmetrical to state groove 6.Longitudinal groove 6 is linear type, and cross section is rectangle, width 15mm.
Embodiment 3
As shown in Figure 3, it is shown that the flowing water of the preparation method of paper diaper absorptive core provided by one embodiment of the present invention
Line schematic diagram.The assembly line includes the following steps:
S1, fluffy cotton uncoiling process: it is inhaled to the second macromolecule by auxiliary device is passed through after fluffy cotton finished product uncoiling 11
The direction for receiving material the first particle hopper 12 and the second particle hopper 13 persistently conveys；Wherein the first particle hopper 12 and second
Super absorbent resin (SAP) particle matched in pellet bucket 13 containing different size levels；
S2, the second macromolecule absorption material blanking procedure: the second polymeric absorbent that hopper 12,13 matches different size levels
Material uniformly dispersing is on the fluffy cotton for being transported to this by S1 process；
S3, the laminating process of lower clad: will after lower clad product volume uncoiling 14 by auxiliary device to its glue spraying 15 simultaneously
It is laminating with product made from S2 process, then gains are overturn and by it by auxiliary device to the first macromolecule absorption material
The direction of first particle hopper 16 and the second particle hopper 17 persistently conveys；Wherein the first particle hopper 16 and the second particle hopper
Super absorbent resin (SAP) particle matched in 17 containing different size levels；
S4, the first macromolecule absorption material blanking procedure: the first polymeric absorbent that hopper 16,17 matches different size levels
Material uniformly dispersing is on the fluffy cotton opposite face for being transported to this by S3 process；
S5, the laminating process of upper clad: will after upper clad product volume uncoiling 18 by auxiliary device to its glue spraying 19 simultaneously
It is laminating with semi-finished product made from S4 process；
S6, splitting winding process: semi-finished product made from S5 process are cut according to specific width requirement, obtain this
Body simultaneously winds spare 20.
S7, folding process: ontology made from S6 process is made into clad 1 on ontology of the two side ends 7,8 in width direction
Bending, obtains the paper diaper absorptive core.
Paper diaper provided in an embodiment of the present invention have wink suction effect with absorptive core, solve existing paper diaper absorbent cores
The problems such as body easy fracture, poor diffusivity.Its structure simplifies simultaneously, easy to process, and production efficiency improves, and product yield improves, ring
Border pollution reduction etc..
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. a kind of paper diaper absorptive core, which is characterized in that the absorptive core includes ontology, and the ontology includes from top to bottom
Upper clad, the first polymeric absorbent layer, fluffy cotton layer, the second polymeric absorbent layer and the lower clad being sequentially stacked, it is described
Absorptive core is by the way that by the two side ends of ontology, clad is bent to obtain on ontology, and two side ends interval is opposite after bending, from
And groove is formed in absorptive core upper surface.
2. paper diaper absorptive core according to claim 1, which is characterized in that the upper clad and lower clad are water
Prick nonwoven cloth, dust-free paper or wet-strength paper；It include high-hydroscopicity in the first polymeric absorbent layer and the second polymeric absorbent layer
Resin particle；The fluffy cotton layer is the loft nonwoven cloth obtained after ES fiber and PET fiber mixing through hot blast adhesion.
3. paper diaper absorptive core according to claim 2, which is characterized in that the first polymeric absorbent layer and second
Polymeric absorbent layer includes different absorbing material particle and/or each polymeric absorbent layer includes the suction of two kinds of performances or more
Receive material granule.
4. paper diaper absorptive core according to claim 2, which is characterized in that the fluffy cotton layer is using 1.5-4 denier
ES fiber and 5-8 denier PET fiber mixing after through hot blast adhesion obtain the loft nonwoven cloth of 20-45gsm.
5. paper diaper absorptive core according to claim 1, which is characterized in that the groove two sides are respectively left kink
And right kink, the middle part of the absorptive core upper surface is arranged in the groove, so that the left kink and the right side are curved
Folding part is symmetrical relative to the groove.
6. paper diaper absorptive core according to claim 5, which is characterized in that groove table on the absorptive core
Width on face is the 1/10 to 1/2 of the absorptive core width.
7. paper diaper absorptive core according to claim 6, which is characterized in that the two side ends are parallel after bending, described
Width on absorptive core upper surface is 5-20cm.
8. according to claim 1 -- the preparation method of paper diaper absorptive core described in any one of 7, which is characterized in that described
Method includes the following steps:
(1) the fluffy cotton roll as fluffy cotton layer is unfolded, the second absorbing material particle is dispersed in fluffy cotton upward
On second surface, the second polymeric absorbent layer is formed；
(2) by glue spraying after the expansion of the material volume as lower clad, the glue spraying face of lower clad is then covered into the second high score
On sub- absorbed layer；
(3) gains of step (2) are overturn, the first surface for keeping fluffy cotton opposite with second surface upward, then by first
Absorbing material particle is spread on the first surface, forms the first polymeric absorbent layer；
(4) by glue spraying after the expansion of the material volume as upper clad, the glue spraying face of upper clad is then covered into the first high score
On sub- absorbed layer；
(5) semi-finished product made from step (4) are cut according to width requirement, obtains ontology, wound spare；
(6) by the two side ends on body width direction, clad is bent on ontology, obtains the paper diaper absorptive core.
9. preparation method according to claim 8, which is characterized in that the method also includes:
Before on the second surface that the second absorbing material particle is dispersed in fluffy cotton in step (1), sprayed on second surface
The step of glue；And
Before on the first surface that the first absorbing material particle is dispersed in fluffy cotton in step (3), sprayed on first surface
The step of glue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910142858.4A CN109758305A (en) | 2019-02-26 | 2019-02-26 | A kind of paper diaper absorptive core and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910142858.4A CN109758305A (en) | 2019-02-26 | 2019-02-26 | A kind of paper diaper absorptive core and preparation method thereof |
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| CN110179592A (en) * | 2019-05-31 | 2019-08-30 | 重庆百亚卫生用品股份有限公司 | A kind of application of 3D memory core |
| CN110200754A (en) * | 2019-06-26 | 2019-09-06 | 丁棋 | Four layers of core of one kind and its preparation process |
| CN110547909A (en) * | 2019-09-25 | 2019-12-10 | 雀氏（福建）实业发展有限公司 | Preparation method of improved composite core |
| CN112402115A (en) * | 2019-08-22 | 2021-02-26 | 滁州爸爸的选择科技有限公司 | Vacuum composite core and preparation method thereof |
| CN113133861A (en) * | 2021-05-28 | 2021-07-20 | 王莹 | Ostomy bag |
| CN114404147A (en) * | 2022-01-25 | 2022-04-29 | 诺宸股份有限公司 | Absorbent article and method of making same |
| CN114886667A (en) * | 2022-04-29 | 2022-08-12 | 雀氏（福建）实业发展有限公司 | Novel absorption core body forming process |
| CN115120414A (en) * | 2022-06-27 | 2022-09-30 | 福建恒安集团有限公司 | Preparation method of close-fitting elastic pull-up pants |
| CN116531181A (en) * | 2023-05-09 | 2023-08-04 | 东莞苏氏卫生用品有限公司 | Five-layer laminated structure composite fiber core body and manufacturing method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110179592A (en) * | 2019-05-31 | 2019-08-30 | 重庆百亚卫生用品股份有限公司 | A kind of application of 3D memory core |
| CN110200754A (en) * | 2019-06-26 | 2019-09-06 | 丁棋 | Four layers of core of one kind and its preparation process |
| CN112402115A (en) * | 2019-08-22 | 2021-02-26 | 滁州爸爸的选择科技有限公司 | Vacuum composite core and preparation method thereof |
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| CN115120414A (en) * | 2022-06-27 | 2022-09-30 | 福建恒安集团有限公司 | Preparation method of close-fitting elastic pull-up pants |
| CN115120414B (en) * | 2022-06-27 | 2023-08-15 | 福建恒安集团有限公司 | Preparation method of close-fitting elastic pull-up pants |
| CN116531181A (en) * | 2023-05-09 | 2023-08-04 | 东莞苏氏卫生用品有限公司 | Five-layer laminated structure composite fiber core body and manufacturing method thereof |
| CN116531181B (en) * | 2023-05-09 | 2024-02-20 | 东莞苏氏卫生用品有限公司 | Five-layer laminated structure composite fiber core body and manufacturing method thereof |
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Application publication date: 20190517 |
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