CN102743258A - Absorptive core applicable to paper diaper and sanitary towels - Google Patents
Absorptive core applicable to paper diaper and sanitary towels Download PDFInfo
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- CN102743258A CN102743258A CN2012102439245A CN201210243924A CN102743258A CN 102743258 A CN102743258 A CN 102743258A CN 2012102439245 A CN2012102439245 A CN 2012102439245A CN 201210243924 A CN201210243924 A CN 201210243924A CN 102743258 A CN102743258 A CN 102743258A
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Abstract
An absorptive core applicable to paper diaper and sanitary towels relates to a macromolecular absorptive core. The absorptive core comprises a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer and connected with the non-woven fabric surface layer and the non-woven fabric bottom layer in a hot-pressing compounding manner, and water-absorbent resin is evenly seeped in the bulky non-woven fabric layer. The absorptive core is provided with a water-absorbent through hole array penetrating through the thickness direction. The adsorptive core does not contain adhesive and is good in environment friendliness, is fast to absorb and obviously improves the water absorption and air permeability; and the absorptive core adopts non-woven fabric without adhesive, thus being good in environment friendliness and very suitably used as the absorptive core of sanitary products such as paper diaper, sanitary towels and the like.
Description
Technical field
The present invention relates to the absorptive core that a kind of imbibition is used, especially relate to a kind of absorptive core that is applicable to hygienic article such as diaper, sanitary towel.
Background technology
At present, being used for hygienic article such as the paper napkin, diaper works the absorptive core that absorbs the effect of storage urine and is generally the macromolecule absorptive core, existing some shortcomings that still exist.As: infiltration rate is slow, water absorption rate is lower, the core body breathability is not good enough, and generally all need use gluingly, the feature of environmental protection is not good enough etc.
Publication number is that the application for a patent for invention of CN1658810 discloses a kind of multilamellar absorbent cores, and this absorbent cores contains synthetic fibers, to improve the liquid transfer performance of obtained absorbent article.The innermost layer of absorbent cores and/or the synthetic fibers in the intermediate layer have especially improved the rewetting performance of absorbing products.Said absorbent cores can join in many absorbent articles, comprises diaper, feminine hygiene and incontinence pad.
Publication number is that the application for a patent for invention of CN1649554 discloses a kind of disposable absorbent article such as sanitary towel, panty liners, baby diaper, adult incontinence product and antiperspirant pad.Be arranged in the absorbent article that its lip-deep appointment towards the wearer is used for the zone of liquid deposition and have a monolayer top flat, between the operating period of goods absorbed liquid is being positioned on this top flat.Absorbent article also comprises the egative film on formation liquid obscures surface and the one absorbent cores between top flat and egative film.Said one core has improved the liquid handling ability of absorbent article and has strengthened the screening effect of goods, promptly hides the ability of the spot that causes owing to the liquid that absorbs.These goods for the urine that is used to absorb high color intensity such as menstrual fluid or old man are especially useful.
Publication number is that the application for a patent for invention of CN101797201A discloses a kind of macromolecule absorptive core and preparation method thereof, relates to a kind of macromolecule absorptive core.A kind of paper napkin and diaper of being mainly used in is provided, can not realize sticking together, do not rupture, the macromolecule absorptive core of not delamination and preparation method thereof.The macromolecule absorptive core is provided with dust-free paper top layer, dust-free paper bottom and bulk nonwoven layer; Bulk nonwoven layer is located between dust-free paper top layer and the dust-free paper bottom and with dust-free paper top layer and dust-free paper layer glue stick and is gluedd joint, and evenly oozing in the bulk nonwoven layer has water-absorbing resin.Urine can infiltrate in the macromolecule absorptive core quick and completely; The dust-free paper top layer of absorptive core can effectively suck urine; The hydroscopic high-molecular resin layer of macromolecule absorptive core can effectively absorb the storage urine, and bulk nonwoven layer can make urine fast toward the infiltration of bottom direction, so water absorption is big; And can make surface layer keep making human body comfortable than drying regime.
Summary of the invention
Main purpose of the present invention provides a kind of absorptive core that is applicable to diaper sanitary towel that can obviously improve absorption speed, water absorption rate and breathability.
The present invention is applicable to the absorptive core of diaper sanitary towel; It is characterized in that being provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and with the non-woven fabrics top layer and is connected with bottom layer of non-woven fabrics hot pressing is compound; The surface of said non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing, evenly oozes the suction via-hole array that has water-absorbing resin, absorptive core to be provided with the impenetrating thickness direction in the bulk nonwoven layer.
The shape of said absorptive core is preferably rectangle or square etc.
Said water-absorbing resin can adopt super absorbent resin or High hydrophilous resin (Super Absorbent Polymer, SAP) etc.; Said bulk nonwoven layer is preferably the bulk non-woven fabrics of long fine water conservancy diversion.
Said embossing is preferably the concave point array.
The aperture of each through hole of said suction via-hole array can be 1～5mm.
Compare with prior art, the present invention has following outstanding advantage:
During application, the present invention is as the absorptive core of hygienic article such as diaper, sanitary towel.Because absorptive core adopts technique scheme; Especially be provided with the suction via-hole array of impenetrating thickness direction, when therefore using, under same dimensions; The water absorption rate of absorptive core of the present invention can significantly increase (increasing by 20%～30%), correspondingly returns the rate of oozing and can significantly reduce; Air penetrability can significantly improve (improving 20%～30%).In addition, absorptive core all adopts nonwoven cloth material, does not contain glue, does not contain wood pulp cellulose, therefore environmental protection more.
Description of drawings
Fig. 1 is the structural representation (cross-sectional structure) of the embodiment of the invention.
Fig. 2 is the preparation process sketch map of the embodiment of the invention.
The specific embodiment
Referring to Fig. 1, absorptive core is provided with non-woven fabrics top layer 1, bottom layer of non-woven fabrics 2 and bulk nonwoven layer 3.Bulk nonwoven layer 3 be located between non-woven fabrics top layer 1 and the bottom layer of non-woven fabrics 2 and with non-woven fabrics top layer 1 and compound connection of bottom layer of non-woven fabrics 2 hot pressing; Evenly oozing in the bulk nonwoven layer 3 has super absorbent resin (or hydroscopic high-molecular resin; SuperAbsorbent Polymer; SAP) (shown in pit among Fig. 1), absorptive core is provided with suction through hole 4 arrays at thickness direction.The aperture of each through hole 4 that absorbs water is that 3mm (can be 1～5mm).
Said bulk nonwoven layer 3 is the bulk non-woven fabrics of long fine water conservancy diversion.
The surface of said non-woven fabrics top layer 1 and bottom layer of non-woven fabrics 2 all has the embossing (not shown), and embossing is the concave point array.
The compound connection of said hot pressing is not use the compound connection of the hot pressing of glue; Though do not use glue; But behind the embossing of heating pressure roller, heating licker-in acanthopore; The non-woven fabrics top layer 1 of absorptive core, bottom layer of non-woven fabrics 2 and bulk nonwoven layer 3 just can stick each other and stick together, and all can satisfy instructions for use generally speaking.If but worried bonding firmly inadequately, also can using a little glue certainly, to carry out hot pressing compound.
Referring to Fig. 2, preparation equipment is pipelining equipment (equipment that specifically do not draw structure).Each label is represented among Fig. 2: preposition hydroscopic high-molecular resin blanking tube 11; Rearmounted hydroscopic high-molecular resin blanking tube 12; Bottom layer of non-woven fabrics reel 13; Bulk nonwoven layer reel 14; Non-woven fabrics top layer reel 15; Heating knurling rolls 16; Heating. acanthopore roller 17; Follow-up rotor or the rolling tube (not shown) of cutting in addition.
During preparation, with device start, bottom layer of non-woven fabrics reel 13, bulk nonwoven layer reel 14 and non-woven fabrics top layer reel 15 all drive to be rotated, bottom layer of non-woven fabrics, bulk nonwoven layer and non-woven fabrics top layer all forward seriality move.Hydroscopic high-molecular resin (shown in the imaginary point) under the first reception of bulk nonwoven layer is spilt by preposition hydroscopic high-molecular resin blanking tube 11; Then with the bottom layer of non-woven fabrics common reach of fitting, receive again behind the bulk nonwoven layer break-in reverse side and spill hydroscopic high-molecular resin (shown in the imaginary point) down by rearmounted hydroscopic high-molecular resin blanking tube 12, then when heating knurling rolls 16; Bottom layer of non-woven fabrics, bulk nonwoven layer and non-woven fabrics top layer receive heating and compound jointly; On bottom layer of non-woven fabrics and bottom layer of non-woven fabrics, all make simultaneously embossing, continue reach then, through heating. during acanthopore roller 17; Bottom layer of non-woven fabrics after compound, bulk nonwoven layer and non-woven fabrics top layer be pierced out via-hole array (heating. acanthopore roller 17 is provided with pricker or punching cutter; Can satisfy different apertures requires), continue reach then, can determine the core body product of corresponding specification through cutting rotor; Perhaps pack up, carry out cutting later on again by the rolling tube.
The temperature of 2 rollers of said heating knurling rolls 16 is set at 160～190 ℃ of top rolls respectively, 50～70 ℃ of lower rolls; Said heating. the temperature of 2 rollers of acanthopore roller 17 is set at 160～190 ℃ of top rolls respectively, 70～90 ℃ of lower rolls.
Claims (5)
1. be applicable to the absorptive core of diaper sanitary towel; It is characterized in that being provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and with the non-woven fabrics top layer and is connected with bottom layer of non-woven fabrics hot pressing is compound; The surface of said non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing, evenly oozes the suction via-hole array that has water-absorbing resin, absorptive core to be provided with the impenetrating thickness direction in the bulk nonwoven layer.
2. the absorptive core that is applicable to diaper sanitary towel as claimed in claim 1 is characterized in that said water-absorbing resin adopts super absorbent resin or High hydrophilous resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion.
3. the absorptive core that is applicable to diaper sanitary towel as claimed in claim 1 is characterized in that said embossing is the concave point array.
4. the absorptive core that is applicable to diaper sanitary towel as claimed in claim 1, the aperture that it is characterized in that said suction through hole is 1～5mm.
5. the absorptive core that is applicable to diaper sanitary towel as claimed in claim 1, what it is characterized in that said absorptive core is shaped as rectangle or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102439245A CN102743258A (en) | 2012-07-13 | 2012-07-13 | Absorptive core applicable to paper diaper and sanitary towels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102439245A CN102743258A (en) | 2012-07-13 | 2012-07-13 | Absorptive core applicable to paper diaper and sanitary towels |
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| Publication Number | Publication Date |
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| CN102743258A true CN102743258A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102439245A Pending CN102743258A (en) | 2012-07-13 | 2012-07-13 | Absorptive core applicable to paper diaper and sanitary towels |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349590A (en) * | 2013-07-11 | 2013-10-16 | 金红叶纸业集团有限公司 | Absorbing product |
| CN106109107A (en) * | 2016-08-10 | 2016-11-16 | 佛山市豪利家卫生用品有限公司 | A kind of diaper absorptive core structure |
| CN106109106A (en) * | 2016-07-29 | 2016-11-16 | 杭州珂瑞特机械制造有限公司 | The ultra-thin glue-free strong fluid aspirating core body of full bag and manufacture method |
| CN106109108A (en) * | 2016-07-29 | 2016-11-16 | 杭州珂瑞特机械制造有限公司 | Partly wrap ultra-thin glue-free strong fluid aspirating core body and manufacture method |
| CN106618875A (en) * | 2016-11-17 | 2017-05-10 | 广东川田卫生用品有限公司 | Sanitary towel |
| CN107280863A (en) * | 2017-07-28 | 2017-10-24 | 广东佰分爱卫生用品有限公司 | A kind of method that rationing-cutting type hot melt adhesive production not discontinue does not act the paper diaper core body that sticks together |
| CN107669412A (en) * | 2016-08-02 | 2018-02-09 | 刘燕 | Composite absorption core body |
| CN107984813A (en) * | 2017-12-29 | 2018-05-04 | 广东川田卫生用品有限公司 | A kind of double-deck perforation absorbing material of sanitary napkin |
| CN108524107A (en) * | 2018-04-18 | 2018-09-14 | 泉州市汉奇卫生材料有限公司 | A kind of channel-type absorber |
| CN108743046A (en) * | 2018-05-31 | 2018-11-06 | 湖南康程护理用品有限公司 | A kind of compound core body and its manufacturing method |
| CN110755208A (en) * | 2019-10-28 | 2020-02-07 | 北京爸爸的选择科技有限公司 | Universal flow guide absorption core and preparation method thereof |
| CN115517861A (en) * | 2022-08-30 | 2022-12-27 | 美佳爽（中国）有限公司 | Quick-suction dry and comfortable absorption core body |
| CN115670804A (en) * | 2021-07-22 | 2023-02-03 | 常州爱丽葆康护理用品股份有限公司 | Novel absorb health supplies of core and applied this absorption core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337984Y (en) * | 1998-02-25 | 1999-09-15 | 黄伟庆 | Sanitary towel |
| CN101797201A (en) * | 2010-01-21 | 2010-08-11 | 厦门兰海贸易有限公司 | Polymer compound core body and preparation method thereof |
| CN202198748U (en) * | 2011-07-14 | 2012-04-25 | 王振宇 | Hole type composite water absorption paper |
| CN202740246U (en) * | 2012-07-13 | 2013-02-20 | 厦门兰海贸易有限公司 | Absorbing core body suitable for diapers and sanitary napkins |
-
2012
- 2012-07-13 CN CN2012102439245A patent/CN102743258A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337984Y (en) * | 1998-02-25 | 1999-09-15 | 黄伟庆 | Sanitary towel |
| CN101797201A (en) * | 2010-01-21 | 2010-08-11 | 厦门兰海贸易有限公司 | Polymer compound core body and preparation method thereof |
| CN202198748U (en) * | 2011-07-14 | 2012-04-25 | 王振宇 | Hole type composite water absorption paper |
| CN202740246U (en) * | 2012-07-13 | 2013-02-20 | 厦门兰海贸易有限公司 | Absorbing core body suitable for diapers and sanitary napkins |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349590B (en) * | 2013-07-11 | 2016-01-13 | 金红叶纸业集团有限公司 | Absorbent article |
| CN103349590A (en) * | 2013-07-11 | 2013-10-16 | 金红叶纸业集团有限公司 | Absorbing product |
| CN106109106A (en) * | 2016-07-29 | 2016-11-16 | 杭州珂瑞特机械制造有限公司 | The ultra-thin glue-free strong fluid aspirating core body of full bag and manufacture method |
| CN106109108A (en) * | 2016-07-29 | 2016-11-16 | 杭州珂瑞特机械制造有限公司 | Partly wrap ultra-thin glue-free strong fluid aspirating core body and manufacture method |
| CN107669412A (en) * | 2016-08-02 | 2018-02-09 | 刘燕 | Composite absorption core body |
| CN106109107A (en) * | 2016-08-10 | 2016-11-16 | 佛山市豪利家卫生用品有限公司 | A kind of diaper absorptive core structure |
| CN106618875A (en) * | 2016-11-17 | 2017-05-10 | 广东川田卫生用品有限公司 | Sanitary towel |
| CN107280863A (en) * | 2017-07-28 | 2017-10-24 | 广东佰分爱卫生用品有限公司 | A kind of method that rationing-cutting type hot melt adhesive production not discontinue does not act the paper diaper core body that sticks together |
| CN107984813A (en) * | 2017-12-29 | 2018-05-04 | 广东川田卫生用品有限公司 | A kind of double-deck perforation absorbing material of sanitary napkin |
| CN108524107A (en) * | 2018-04-18 | 2018-09-14 | 泉州市汉奇卫生材料有限公司 | A kind of channel-type absorber |
| CN108743046A (en) * | 2018-05-31 | 2018-11-06 | 湖南康程护理用品有限公司 | A kind of compound core body and its manufacturing method |
| CN110755208A (en) * | 2019-10-28 | 2020-02-07 | 北京爸爸的选择科技有限公司 | Universal flow guide absorption core and preparation method thereof |
| CN115670804A (en) * | 2021-07-22 | 2023-02-03 | 常州爱丽葆康护理用品股份有限公司 | Novel absorb health supplies of core and applied this absorption core |
| CN115517861A (en) * | 2022-08-30 | 2022-12-27 | 美佳爽（中国）有限公司 | Quick-suction dry and comfortable absorption core body |
| CN115517861B (en) * | 2022-08-30 | 2024-04-12 | 美佳爽（中国）有限公司 | Quick-drying absorbent core |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121024 |