CN102673030A - Perforated non-woven fabric - Google Patents
Perforated non-woven fabric Download PDFInfo
- Publication number
- CN102673030A CN102673030A CN2012101534276A CN201210153427A CN102673030A CN 102673030 A CN102673030 A CN 102673030A CN 2012101534276 A CN2012101534276 A CN 2012101534276A CN 201210153427 A CN201210153427 A CN 201210153427A CN 102673030 A CN102673030 A CN 102673030A
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- woven fabric
- square metre
- contact angle
- water
- perforated non
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Links
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 abstract description 43
- 210000001124 body fluid Anatomy 0.000 abstract description 12
- 239000010839 body fluid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002344 surface layer Substances 0.000 abstract description 5
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 230000028327 secretion Effects 0.000 description 5
- 230000009102 absorption Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 208000010668 atopic eczema Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003248 secreting effect Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- 230000000172 allergic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Nonwoven Fabrics (AREA)
Abstract
The invention provides perforated non-woven fabric, consisting of at least two fibrous layers, wherein a surface layer is such a fibrous layer, with a more than 70 degree contact angle with water and having the gram weight of 3 to 30 grams per square meters; and a bottom layer is such a fibrous layer, with a less than 90 degree contact angle with water and having the gram weight of 3 to 30 grams per square meters. The non-woven fabric has through apertures from the surface layer to the bottom layer, with the aperture ratio of 5 to 50% and the stereo thickness of 0.1 to 1.5mm. On a contact face between the two fibrous layers of the perforated non-woven fabric, the fibrous layers with mutually intersected fiber are usefully wetted by body fluid in use, so that the body fluid rapidly reaches the fibrous layer with the less than 90 degree contact angle with the water under the action of capillary tubes and energy level differences; the fibrous layer with the more than 70 degree contact angle with the water is a face contacting a user; and therefore, after being absorbed, the body fluid is difficultly adsorbed around the fiber due to the more than 70 degree contact angle between the fiber and the water, as well as is prevented from returning to the surface of the perforated non-woven fabric under the action of the capillary tubes, thereby achieving a dry and comfortable effect.
Description
Technical field
The invention relates to a kind of surface layer material that is applied to disposable sanitary articles such as medical care mattress, women use sanitary napkin, protection pad, paper diaper, be meant a kind of perforated non-woven fabric especially.
Background technology
Use in medical care in the disposable hygienic absorbent articles such as mattress, sanltary towel for women use, protection pad and paper diaper to reaching purpose such as comfortable, rapid osmotic, people are widely used nonwoven, perforated non-woven fabric as surface layer material.But existing nonwoven, perforated non-woven fabric generally adopt the raw material of hydrophilic fibre as nonwoven; Quick humidification infiltration when hydrophilic fibre helps body fluid arrival absorbent article surface; But because fiber surface is hydrophilic; Be easy to make body fluid to be adsorbed between fiber and the fiber, the capillarity of while fiber also can make the body fluid after the infiltration turn back to the surface of nonwoven and perforated non-woven fabric again, makes and feels humidity, ixoderm skin, not dry and comfortable in use.Particularly, when this hydrophilic nonwoven is applied to the superficial layer of baby paper diaper, because dry and comfortable poor-performing, and cause allergic phenomenas such as infant skin is rubescent, eczema easily.
Summary of the invention
The purpose of this invention is to provide a kind of good, dryer and comfortableer perforated non-woven fabric of sanitary absorbent article permeance property that makes.
For realizing above-mentioned purpose, solution of the present invention is:
A kind of perforated non-woven fabric, it is made up of two fibre layers at least, wherein superficial layer is and the contact angle of the water fibrage greater than 70 °, grammes per square metre be 3 grams/square metre～30 grams/square metre; And bottom is and the fibrage of water contact angle less than 90 °, grammes per square metre be 3 the gram/square metre～30 the gram/square metre; This nonwoven has by superficial layer to the hole that bottom runs through, and percent opening 5～50%, three-dimensional thickness are 0.1～1.5mm.
Said nonwoven is a kind of in hot-wind nonwoven cloth, spun-bonded non-woven fabrics, fabric hot rolled nonwoven fabrics or the spunlace non-woven cloth.
Said superficial layer is and the contact angle of the water fibrage greater than 90 °, and bottom is and the contact angle of the water fibrage less than 70 °.
The fiber denier of said superficial layer was 0.8 dawn～5 dawn.
The fiber denier of said superficial layer was 0.8 dawn～2.5 dawn.
Said perforated non-woven fabric grammes per square metre be 6 the gram/square metre～60 the gram/square metre.
Said perforated non-woven fabric grammes per square metre be 12 the gram/square metre～50 the gram/square metre.
The superficial layer grammes per square metre of said perforated non-woven fabric be 8 the gram/square metre to 20 the gram/square metre.
Said is hole that up and down perforated area is identical or the superficial layer perforated area hole greater than the bottom perforated area to the hole that bottom runs through by superficial layer.
The percent opening of said perforated non-woven fabric is 10～40%.
The three-dimensional thickness of said perforated non-woven fabric is 0.4～1.0mm.
Described perforated non-woven fabric is to be made up of two-layer above fibrage, and wherein superficial layer is and the contact angle of the water fibrage greater than 70 °; And each fibrage under the superficial layer is and the contact angle of the water fibrage less than 70 °, and the contact angle of each fibrage and water has nothing in common with each other.
After adopting such scheme; Because perforated non-woven fabric of the present invention is made up of two-layer or multi-layer fiber layer; The contact angle that is positioned at superficial layer and water greater than 70 ° fibrage be positioned at bottom and contact angle water fibrage and carry out the lapping compound tense through hot blast or hot-rolling method less than 90 °; On two fibrage contact-making surfaces; Can partly be punctured to and the contact angle of water fibrous inside less than 90 ° short fiber with the contact angle of water greater than 70 °; Form with the contact angle of water less than 90 ° fiber and the fibrage that crosses mutually greater than 70 ° fiber with the contact angle of water, wetting easily when this helps that body fluid arrives perforated non-woven fabric in use, thus under the effect of capillary and energy level difference rapidly the contact angle of arrival and water less than 90 ° fibrage; Disperse on its surface owing to more help body fluid with the contact angle of water greater than 70 ° fibrage, have guide functions, the area that oozes expansion is bigger, has improved effective usable floor area of absorbent article like this, has also promoted the liquid fast Absorption; Simultaneously; With the contact angle of water be the superficial layer of nonwoven greater than 70 ° fibrage, be and contacted of user, after body fluid absorbs; Because the contact angle of fiber and water is greater than 70 °; Body fluid is difficult for being adsorbed on around fiber, has also stoped body fluid to return the perforated non-woven fabric surface again through capillarity, reaches dry and comfortable, comfortable effect.
In addition, this nonwoven surface is formed with by superficial layer to the hole that bottom runs through, and this hole can be the identical hole of perforated area up and down; Also can be the funnel-shaped hole of upper strata perforated area greater than the bottom perforated area; Funnel-shaped hole particularly, this funnel type perforate can make the block secretion of human secretory see through this perforate to soak down more smoothly, and the funnel type perforate makes nonwoven on lower surface, be formed with three-dimensional convexity again; Increased the three-dimensional thickness of nonwoven; Make between nonwoven lining and the absorber and can form three-dimensional interval, following the oozing that this interval can further be beneficial to human secretion is absorbed bulk absorption, and can improve the separated wet effect of nonwoven lining.Simultaneously, nonwoven surface perforate design has also reduced with skin contact long-pending, makes absorbent article have characteristic comfortable, dry and comfortable, close skin in use.
Description of drawings
Fig. 1 is a perforated non-woven fabric moulding cutaway view of the present invention;
Fig. 2 is the cutaway view (superficial layer for the contact angle of the water fibrous perforated non-woven fabric greater than 70 °) of plane of the present invention perforated non-woven fabric;
Fig. 3 is the cutaway view (superficial layer for the contact angle of the water fibrous perforated non-woven fabric greater than 70 °) of the three-dimensional perforated non-woven fabric of the present invention;
Fig. 4 is the cutaway view of surface layer for the absorbent article of perforated non-woven fabric making of the present invention;
Fig. 5 sandwich construction nonwoven of the present invention profile.
The specific embodiment
To shown in Figure 5, the present invention has disclosed a kind of perforated non-woven fabric like Fig. 1, and this perforated non-woven fabric is a kind of in hot-wind nonwoven cloth, spun-bonded non-woven fabrics, fabric hot rolled nonwoven fabrics or the spunlace non-woven cloth; This perforated non-woven fabric grammes per square metre be 6 the gram/square metre～60 the gram/square metre, particularly 12 the gram/square metre～50 the gram/square metre.
Said perforated non-woven fabric 1 is with nonwoven 1 ' form the surface through perforating device 111 and 112 to have by superficial layer to the hole that bottom runs through, percent opening 5～50%, particularly 10～40%; Three-dimensional thickness is 0.1～1.5mm; 0.4～1.0mm particularly.Wherein, nonwoven 1 ' superficial layer be contact angle with water greater than 70 °, particularly greater than 90 ° fibrage and bottom be contact angle with water less than 90 °, particularly constitute less than 70 ° fibrage.
Wherein the fiber grammes per square metre of superficial layer be 3 grams/square metre～30 grams/square metre, particularly 8 grams/square metre to 20 grams/square metre, and the dawn number of fiber was 0.8 dawn～5 dawn, particularly 0.8 dawn～2.5 dawn.
Wherein the fiber grammes per square metre of bottom be 3 the gram/square metre～30 the gram/square metre.
Like Fig. 2, shown in 3, can the identical hole 21 of perforated area up and down to the hole that bottom runs through by superficial layer, also can be the hole 32 of superficial layer perforated area greater than the bottom perforated area.
Cooperate Fig. 4 to show; When utilizing this nonwoven 1 as the lining of sanitary absorbent article with the three-dimensional perforate 41 of funnel type; The contact angle of surface and water that body fluid reaches perforated non-woven fabric 1 is during greater than 70 ° fibrage 42; Since with the contact angle of water greater than 70 ° fibrage and with the contact angle of water fibrolaminar layer 43 possess hydrophilic property that cross less than 90 °; Wetting easily when making perforated non-woven fabric, thus under the effect of capillary and energy level difference, arrive rapidly and the contact angle of water fibrage 44 less than 90 °, promoted the liquid fast Absorption; The block secretion of human secretory can see through this perforate 41 and soak down more smoothly; Funnel type perforate 41 makes between nonwoven 1 lining and the absorber 4 and can form three-dimensional interval in the solid convexity 45 of nonwoven 1 lining lower surface again, and following the soaking that this interval can further be beneficial to human secretion is absorbed body 4 absorptions; And the separated wet effect of nonwoven 1 lining can be improved in this interval; This funnel type perforate 41 simultaneously makes nonwoven when using pressurized, and open lower end is prone to closed, thereby stops human body to contact with the human secretion that absorber 4 is absorbed; Produce at a distance from wet effect, have characteristic comfortable, dry and comfortable, close skin when making the user use.
Certainly, as shown in Figure 5, nonwoven lining of the present invention also can adopt the structure setting of multi-layer fiber layer, and the lining that is positioned at superficial layer 51 for the contact angle of water fibrage greater than 70 °, prevent allow liquids; Intermediate layer 52 and bottom 53 are that contact angle with water is less than 90 °; Particularly less than 70 °; And intermediate layer 52 is different with bottom 53 with the contact angle of water and is provided with, and intermediate layer 52 is gradually little setting with the contact angle of bottom 53 and water, or the contact angle of intermediate layer 52 and bottom 53 and water is gradually big setting; In the effect of capillary and energy level difference, faster, the dry and comfortable effect of the nonwoven seepage velocity of formation is better.
The above record is merely the embodiment that utilizes technology contents of the present invention, anyly is familiar with the utilization of this art modification, variation that the present invention did, all belongs to the claim that the present invention advocates, and is not limited to embodiment announcement person.
Claims (12)
1. perforated non-woven fabric is characterized in that: be made up of two fibre layers at least, wherein superficial layer is and the contact angle of the water fibrage greater than 70 °, grammes per square metre be 3 grams/square metre～30 grams/square metre; And bottom is and the fibrage of water contact angle less than 90 °, grammes per square metre be 3 the gram/square metre～30 the gram/square metre; This nonwoven has by superficial layer to the hole that bottom runs through, and percent opening 5～50%, three-dimensional thickness are 0.1～1.5mm.
2. perforated non-woven fabric as claimed in claim 1 is characterized in that: this nonwoven is a kind of in hot-wind nonwoven cloth, spun-bonded non-woven fabrics, fabric hot rolled nonwoven fabrics or the spunlace non-woven cloth.
3. according to claim 1 or claim 2 perforated non-woven fabric is characterized in that: said superficial layer is and the contact angle of the water fibrage greater than 90 °, and bottom is and the contact angle of the water fibrage less than 70 °.
4. perforated non-woven fabric as claimed in claim 1 is characterized in that: the fiber denier of said superficial layer was 0.8 dawn～5 dawn.
5. perforated non-woven fabric as claimed in claim 4 is characterized in that: the fiber denier of said superficial layer was 0.8 dawn～2.5 dawn.
6. perforated non-woven fabric as claimed in claim 1 is characterized in that: said perforated non-woven fabric grammes per square metre be 6 the gram/square metre～60 the gram/square metre.
7. perforated non-woven fabric as claimed in claim 7 is characterized in that: said perforated non-woven fabric grammes per square metre be 12 the gram/square metre～50 the gram/square metre.
8. perforated non-woven fabric as claimed in claim 1 is characterized in that: the superficial layer grammes per square metre of said perforated non-woven fabric be 8 the gram/square metre to 20 the gram/square metre.
9. perforated non-woven fabric as claimed in claim 1 is characterized in that: said is hole that up and down perforated area is identical or the superficial layer perforated area hole greater than the bottom perforated area to the hole that bottom runs through by superficial layer.
10. like claim 1 or 9 described perforated non-woven fabric, it is characterized in that: the percent opening of said perforated non-woven fabric is 10～40%.
11. perforated non-woven fabric as claimed in claim 1 is characterized in that: the three-dimensional thickness of said perforated non-woven fabric is 0.4～1.0mm.
12. perforated non-woven fabric as claimed in claim 1 is characterized in that: be to be made up of two-layer above fibrage, wherein superficial layer is and the contact angle of the water fibrage greater than 70 °; And each fibrage under the superficial layer is and the contact angle of the water fibrage less than 70 °, and the contact angle of each fibrage and water has nothing in common with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101534276A CN102673030A (en) | 2012-05-17 | 2012-05-17 | Perforated non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101534276A CN102673030A (en) | 2012-05-17 | 2012-05-17 | Perforated non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
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| CN102673030A true CN102673030A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012101534276A Pending CN102673030A (en) | 2012-05-17 | 2012-05-17 | Perforated non-woven fabric |
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| CN (1) | CN102673030A (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934963A (en) * | 2012-11-09 | 2013-02-20 | 纺粘无纺布(深圳)有限公司 | Preparation method of environment-friendly degradable wet tissue material |
| CN103422256A (en) * | 2013-07-17 | 2013-12-04 | 厦门延江工贸有限公司 | Hot air non-woven fabric and manufacturing method thereof |
| CN105239274A (en) * | 2015-11-12 | 2016-01-13 | 浙江金三发非织造布有限公司 | Two-sided hydrophilic punched non-woven fabric special for sanitary consumables and production method thereof |
| US9415538B2 (en) | 2010-09-10 | 2016-08-16 | The Procter & Gamble Company | Method for deforming a web |
| WO2017156969A1 (en) * | 2016-03-16 | 2017-09-21 | 厦门延江新材料股份有限公司 | Non-woven fabric having puncture holes and production method thereof |
| US20180229216A1 (en) * | 2017-02-16 | 2018-08-16 | The Procter & Gamble Company | Absorbent articles with substrates having repeating patterns of apertures comprising a plurality of repeat units |
| US10195092B2 (en) | 2014-03-06 | 2019-02-05 | The Procter & Gamble Company | Multi-component topsheets |
| US10206826B2 (en) | 2014-03-06 | 2019-02-19 | The Procter & Gamble Company | Three-dimensional substrates |
| US20190076305A1 (en) * | 2014-11-06 | 2019-03-14 | The Procter & Gamble Company | Patterned apertured webs and methods for making the same |
| WO2019076287A1 (en) * | 2017-10-19 | 2019-04-25 | The Procter & Gamble Company | Topsheet comprising natural fibers |
| US10279535B2 (en) | 2011-04-26 | 2019-05-07 | The Procter & Gamble Company | Method and apparatus for deforming a web |
| US10285874B2 (en) | 2014-03-06 | 2019-05-14 | The Procter & Gamble Company | Multi-component topsheets |
| US10633775B2 (en) | 2010-09-10 | 2020-04-28 | The Procter & Gamble Company | Deformed web materials |
| CN111182871A (en) * | 2017-10-11 | 2020-05-19 | 宝洁公司 | Absorbent article with open-celled three-dimensional material and method of making the same |
| CN111194262A (en) * | 2017-10-19 | 2020-05-22 | 宝洁公司 | Topsheet comprising natural fibers with good mechanical strength |
| US10973702B2 (en) | 2015-08-26 | 2021-04-13 | The Procter & Gamble Company | Absorbent articles having three dimensional substrates and indicia |
| CN112869955A (en) * | 2019-11-30 | 2021-06-01 | 尤尼吉可株式会社 | Liquid-absorbing article such as sanitary napkin and disposable diaper |
| US11110013B2 (en) * | 2014-09-10 | 2021-09-07 | The Procter & Gamble Company | Nonwoven webs with hydrophobic and hydrophilic layers |
| US11202723B2 (en) | 2016-07-01 | 2021-12-21 | The Procter & Gamble Company | Absorbent articles with improved topsheet dryness |
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| CN114622349A (en) * | 2022-03-31 | 2022-06-14 | 福建恒安集团有限公司 | Preparation process of hydrophilic and hydrophobic hot air non-woven fabric |
| CN115961426A (en) * | 2022-12-24 | 2023-04-14 | 杭州明日软包装有限公司 | Efficient permeation perforated non-woven fabric and preparation method thereof |
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| US10279535B2 (en) | 2011-04-26 | 2019-05-07 | The Procter & Gamble Company | Method and apparatus for deforming a web |
| CN102934963A (en) * | 2012-11-09 | 2013-02-20 | 纺粘无纺布(深圳)有限公司 | Preparation method of environment-friendly degradable wet tissue material |
| KR101905277B1 (en) | 2013-07-17 | 2018-10-05 | 샤먼 얀잔 뉴 머티리얼 코., 엘티디 | Hot air non-woven fabric and manufacturing method therefor |
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| CN103422256A (en) * | 2013-07-17 | 2013-12-04 | 厦门延江工贸有限公司 | Hot air non-woven fabric and manufacturing method thereof |
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