CN206138291U - Three -dimensional non -woven fabrics of trompil - Google Patents

Three -dimensional non -woven fabrics of trompil Download PDF

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Publication number
CN206138291U
CN206138291U CN201620712365.1U CN201620712365U CN206138291U CN 206138291 U CN206138291 U CN 206138291U CN 201620712365 U CN201620712365 U CN 201620712365U CN 206138291 U CN206138291 U CN 206138291U
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China
Prior art keywords
plane
perforate
woven fabric
dimensional non
recessed portion
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Withdrawn - After Issue
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CN201620712365.1U
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Chinese (zh)
Inventor
蔡吉祥
谢继华
罗杰龙
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Xiamen Yanjan New Material Co Ltd
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Xiamen Yanjan New Material Co Ltd
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Abstract

The utility model discloses a three -dimensional non -woven fabrics of trompil has four planes, and first plane comprises bulge's top, and the second plane is the plane of recess branch department, the recessed portion distribute around bulge, bulge's bottom and the bottom of the recessed portion continuous third plane of formation the second plane on have from the second plane to the three -dimensional trompil of the 3rd plane extend's infundibulate, the bottom of the three -dimensional trompil of infundibulate constitute the fourth plane. The third plane for continuous plane and be located bulge's the bottom and the bottom of recessed portion, both can have effectual supporting role to bulge, also can increase the area of contact volume with lower floor water conservancy diversion layer or absorbent simultaneously when processing absorbent article to the increase adhesion strength is difficult for causing the surface course to drop or shift when using.

Description

A kind of perforate three-dimensional non-woven fabric
Technical field
The utility model is related to non-woven fabrics field, and more particularly to one kind keeps when in use three-dimensional shape, increases bonding strong The perforate three-dimensional non-woven fabric of degree.
Background technology
With growth in the living standard, non-woven fabrics is widely used in the hygienic absorbent products such as physiological napkin or paper diaper In.To improve the comfortableness of non-woven fabrics and skin contact, the contact area with wearer's skin is effectively reduced, increase body fluid pervious Speed, reduces tide adhesion sense, accordingly, it would be desirable to carry out oozing raising passage under perforate is formed in non-woven fabrics, increases the concavo-convex knot of non-woven fabrics Structure, reduces contact area, so as to occur in that the non-woven fabrics with concaveconvex structure and perforated non-woven fabric.The non-woven fabrics with wearer The face of skin contact is embossed or perforate is processed and forms concaveconvex structure and perforate.China Patent Publication No. CN103908376A, publication date on July 9th, 2014, entitled a kind of solid nothing with open-celled structure that utility model is created Cloth is spun, this application case discloses a kind of three-dimensional non-woven fabric, elevated regions and sunk area and open-celled structure is distributed with, it is described each convex Play region and there is fibre density gradient to sunk area, by the compressive property in high-density fiber region, maintain three-dimensional nonwoven The obvious concave-convex effect of cloth, it is disadvantageous in that:Elevated regions rely solely on the high-density fiber of elevated regions lateral margin and carry out Support, the 3D effect for keeping three-dimensional non-woven fabric, and the bottom of elevated regions when finished product is made are difficult under a certain pressure Marginal portion and recessed area at grade, therefore when boning with guide layer or absorbed layer, due to bond area it is less, Cause to be difficult bonding, easily come off when in use, shift, so as to affect assimilation effect.
Utility model content
The purpose of this utility model is to overcome prior art defect, there is provided a kind of three-dimensional concavo-convex holding effect is good, absorbs Return soon and ooze low, the perforate three-dimensional non-woven fabric of displacement difficult for drop-off.
For achieving the above object, solution of the present utility model is:
A kind of perforate three-dimensional non-woven fabric, it has four planes, and the first plane at the top of bossing by constituting, and second is flat Face is the plane residing for recessed portion, and described recessed portion is distributed in around bossing;The bottom of bossing and recessed Continuous 3rd plane is formed on the bottom for entering part, is had in the second described plane and is extended to the 3rd plane from the second plane Infundibulate solid perforate, the bottom of described infundibulate solid perforate constitutes fourth plane;Described the first plane and the 3rd Fibre density between plane is less than the fibre density between the second plane and the 3rd plane.
Described the first plane and the second plane is hydrophobic plane.
The 3rd described plane is hydrophilic plane.
The first described plane is 0.2-5.0mm with the difference in height of the second plane.
The first described plane is 0.8-3.0mm with the difference in height of the second plane.
The described perforated area of infundibulate solid perforate and the gross area ratio of the second plane is less than 70 %.
The second described plane is 0.1-5.0mm with the difference in height of fourth plane.
The second described plane is 0.5- 3.0mm with the difference in height of fourth plane.
After such scheme, the beneficial effects of the utility model are:
Fibre density between first plane of the present utility model and the 3rd plane less than the second plane and the 3rd plane it Between fibre density, both can ensure that the more fluffy softness of the bossing to be formed, when in use with contact human skin more Comfortably, the easy sizing of recessed portion can be caused again and liquid is easier to be penetrated into up to absorbed layer;3rd plane is continuous flat Face and positioned at the bottom of bossing and the bottom of recessed portion, both can have effective supporting role, together to bossing When can also increase contact area with lower floor's guide layer or absorber when absorbent article is processed, so as to increase adhesion strength, Do not easily cause surface layer when in use to come off or shift.And the infundibulate perforate for being located at the second plane both can be penetrated into accelerating liquid Absorbed layer, can further increase the thickness of non-woven fabrics again, and serving prevents from returning the purpose oozed.
Description of the drawings
Fig. 1 is the top view of the perforate three-dimensional non-woven fabric of the utility model embodiment 1;
Figure 1A be Fig. 1 along O-O to sectional view;
Fig. 2 is the top view of the perforate three-dimensional non-woven fabric of the utility model embodiment 2;
Fig. 2A be Fig. 2 along P-P to sectional view;
Fig. 3 is the top view of the perforate three-dimensional non-woven fabric of the utility model embodiment 3;
Fig. 3 A be Fig. 3 along Q-Q to sectional view;
Fig. 4 is the top view of the perforate three-dimensional non-woven fabric of the utility model embodiment 4;
Fig. 4 A are sectional views of the Fig. 4 along R-R.
Specific embodiment
Specific embodiment of the present utility model is illustrated and described below in conjunction with accompanying drawing:
Embodiment 1
1.5dtex*38mm PE/PP bicomponent fibers are taken as raw material.During production, by fiber Jing bale opener Kai Bao, open Carding machine is sent into after pine, fleece is carded in baking oven, is by hot blast temperature:145 DEG C, hot blast unit frequency:38Hz's Through heating is carried out in hot blast, some bonding points are formed between fiber, engagement porcupine roller of the fleece after consolidation through a pair of heating Stereo shaping is carried out with recessed roller process perforate three-dimensional non-woven fabric A1 to be formed as shown in Fig. 1, Figure 1A.
Described perforate three-dimensional non-woven fabric A1 has four planes, the first plane 11 by constituting at the top of bossing B1, Second plane 12 is the plane residing for recessed portion C1, and described bossing B1 is discontinuous, described recessed portion C1 It is distributed in around bossing B1, continuous 3rd plane is formed on the bottom of bossing B1 and the bottom of recessed portion C1 13, there is the infundibulate solid perforate D1 extended from the second plane 12 to the 3rd plane 13, institute in the second described plane 12 The bottom of the infundibulate solid perforate D1 for stating constitutes fourth plane 14;Wherein:First plane is with difference in height L1 of the second plane 0.8mm;Second plane is 1.0mm with difference in height L2 of fourth plane;The perforated area of infundibulate solid perforate D1 is flat with second The gross area ratio in face 12 is less than 70 %, so can ensure that liquid can pass through to be oozed under aperture segment is quick, can ensure that again recessed Enter part C1 and with enough contacts area ensure adhesion strength with lower floor's guide layer or absorber when absorbent article is processed; Fibre density between described the first plane 11 and the 3rd plane 13 is less than the fibre between the second plane 12 and the 3rd plane 13 Dimension density, both can ensure that the more fluffy softnesses of bossing B1 to be formed, more comfortable with contact human skin when in use, The easy sizing of recessed portion can be caused again and liquid is easier to be penetrated into up to absorbed layer;And the 3rd plane 13 is continuous plane And positioned at the bottom of bossing B1 and the bottom of recessed portion C1, both can have effectively to support to bossing B1 and make With, while the contact area with lower floor's guide layer or absorber can also be increased when absorbent article is processed, so as to increase bonding Intensity, does not easily cause when in use surface layer and comes off or shift.
The perforated area of infundibulate solid perforate D1 is as follows with the method for testing of the gross area ratio of the second plane 12:
Measuring instrument:The rectangular XTL-200 electron microscopes in Shanghai(Connection computer), CF-2000MIS image analysis systems;
1st, CF-2000MIS image analysis systems are opened, adjusts multiplying power and be 1.0 and demarcate.Sample is placed under eyeglass Side, opens light source, and adjusting light source to histogram during threshold values 95 has two crests to occur;
2nd, " collection image " icon is clicked on, focusing makes image reach most clearly effect, clicks on " freeze frame " figure Mark, carries out picture collection.
3rd, " lasso trick Object selection instrument " icon is clicked on, chooses the bossing in analyzed area, then click on " analysis target Choose and colour " icon, there is the dialog box of " analysis target determine ", adjust threshold values to 95, click on and determine.Click on " target The icon of analysis ", the dialog box for " analysis result-visualization processing " occur clicks on " analysis " button, " individual event parameter point occurs The dialog box of analysis ", selects " analyzed area area " as current computing option in computing option, clicks on " calculating " button, Analysis result A can be shown in dialog box, A is analyzed area area;
Select " algebraical sum " as current computing option in computing option, click on " calculating " button, meeting in dialog box Analysis result B is shown, B is the area of bossing.
4th, with step 3, the area of infundibulate aperture segment is chosen, and is selecting " algebraical sum " conduct to work as in computing option Front computing option, clicks on " calculating " button, and analysis result C can be shown in dialog box, and C is the area of infundibulate solid perforate.
5th, the area and the gross area ratio=C/ (A-B) of the second plane of infundibulate solid perforate.
Fibre density size judges:
Because the fleece that perforate three-dimensional non-woven fabric A1 is consolidation is stood by the engagement porcupine roller and recessed roller of a pair of heating Body formed processing and formed, it is believed that the fiber number gone up everywhere and fibre density before perforate three-dimensional non-woven fabric A1 is formed All same, and formed after perforate three-dimensional non-woven fabric A1, the fibre density between the first plane 11 and the 3rd plane 13, second is flat Fibre density between the plane 13 of face 12 and the 3rd changes before being relatively molded.Therefore it is fine in the case of fiber number identical The size of dimension density depends on the size of thickness
Measured respectively between the first plane 11 and the 3rd plane 13 using the rectangular XTL-200 electron microscopes of model Vertical range between vertical range and the second plane 12 and the 3rd plane 13, you can judge fibre density size.
Embodiment 2
Take the hydrophilic bicomponent fibers of 2.0dtex*38mm PE/PET and the hydrophobic double-components of 2.0dtex*38mmPE/PET are fine Dimension is used as raw material.During production, two kinds of fibers are sent into into carding machine Jing after bale opener opens bag, shredding respectively, be carded to fleece Enter in baking oven after stacking, be by hot blast temperature:150 DEG C, hot blast unit frequency:Through heating is carried out in the hot blast of 50Hz, it is fine Some bonding points are formed between dimension, the fleece after consolidation carries out stereo shaping processing through the engagement porcupine roller and recessed roller of a pair of heating Form perforate three-dimensional non-woven fabric A2 as shown in Fig. 2, Fig. 2A.
Described perforate three-dimensional non-woven fabric A2 has four planes, the first plane 21 by constituting at the top of bossing B2, Second plane 22 is the plane residing for recessed portion C2, and described bossing B2 is continuous, described recessed portion C2 point Around bossing B2, continuous 3rd plane 23 is formed cloth on the bottom of bossing B2 and the bottom of recessed portion C2, There is the infundibulate solid perforate D2 extended from the second plane 22 to the 3rd plane 23 in the second described plane 22, it is described The bottom of infundibulate solid perforate D2 constitutes fourth plane 24;Wherein, the first plane 21 is with difference in height L1 of the second plane 22 0.8mm;Second plane 22 is 1.0mm with difference in height L2 of fourth plane 24;The perforated area of infundibulate solid perforate D2 and the The gross area ratio of two planes 22 is less than 70 %, and the fibre density between described the first plane 21 and the 3rd plane 23 is less than second Fibre density between the plane 23 of plane 22 and the 3rd.
Because perforate three-dimensional non-woven fabric A2 is made up of two kinds of fibers, the first plane 21 and the second plane 22 are hydrophobic fiber Composition, continuous 3rd plane 23 is made up of hydrophilic fibers, and so when in use liquid can not end up at the He of the first plane 21 Second plane 22 but be penetrated under gravity hydrophilic fibers composition the 3rd plane 23 in, so as to be absorbed by the absorption layer, And when under pressure liquid is intended to return to the first plane 21 and the second plane 22, due to the iris action of hydrophobic fiber, from And reduce liquid and return milliosmolarity, reach dry and comfortable comfortable purpose.
Embodiment 3
The hydrophilic bicomponent fibers of 2.0dtex*38mm PE/PET are taken as raw material.During production, by fiber Jing bale openers Open and send into carding machine after bag, shredding, be carded to fleece in baking oven, be by hot blast temperature:148 DEG C, hot blast unit frequency: Through heating is carried out in the hot blast of 48Hz, some bonding points are formed between fiber, the fleece after consolidation is nibbled through a pair of heating Closing porcupine roller and recessed roller carries out stereo shaping and processes perforate three-dimensional non-woven fabric A3 to be formed as shown in Fig. 3, Fig. 3 A.
Described perforate three-dimensional non-woven fabric A3 has four planes, the first plane 31 by constituting at the top of bossing B3, Second plane 32 is the plane residing for recessed portion C3, and described bossing B3 is the raised structure for having different size and shapes Into, described recessed portion C3 is distributed in around bossing B3, the bottom of bossing B3 and the bottom of recessed portion C3 Portion forms continuous 3rd plane 33, has what is extended from the second plane 32 to the 3rd plane 33 in the second described plane 32 Infundibulate solid perforate D3, the bottom of described infundibulate solid perforate D3 constitutes fourth plane 34;Wherein:First plane 31 with Difference in height L1 of the second plane 32 is 1.0mm;Second plane 32 is 1.5mm with difference in height L2 of fourth plane 34;Infundibulate is stood The gross area ratio of the perforated area of body perforate D3 and the second plane 32 is less than 70 %, described the first plane 31 and the 3rd plane 33 Between fibre density less than fibre density between the second plane 32 and the 3rd plane 33.And the 3rd plane 33 is continuous flat Face and positioned at the bottom of bossing B3 and the bottom of recessed portion C3, both can have effectively to support to bossing B3 and make With, while the contact area with lower floor's guide layer or absorber can also be increased when absorbent article is processed, so as to increase bonding Intensity, does not easily cause when in use surface layer and comes off or shift.
Bossing B3 can be made up of the projection of different size and shape, and described projection can be according to design composition figure Case, can form flower pattern as shown in Figure 3, it is also possible to constitute the shapes such as animal, personage, reduce human contact's area, increase While dry-ness, it is also possible to increase the aesthetic feeling of perforate three-dimensional non-woven fabric A3, user can be brought the heart of pleasure when in use Feelings.
Embodiment 4
Take the hydrophilic bicomponent fibers of 1.5dtex*38mm PE/PP and the hydrophobic bicomponent fibers of 2.0dtex*38mmPE/PET As raw material.During production, two kinds of fibers are sent into into carding machine Jing after bale opener opens bag, shredding respectively, be carded to fiber web layer Poststack is entered in baking oven, is by hot blast temperature:155 DEG C, hot blast unit frequency:Through heating, fiber are carried out in the hot blast of 50Hz Between form some bonding points, the fleece after consolidation through a pair of heating engagement porcupine roller and recessed roller carry out stereo shaping processing shape Into perforate three-dimensional non-woven fabric A4 as shown in Fig. 4, Fig. 4 A.
Described perforate three-dimensional non-woven fabric A4 has four planes, the first plane 41 by constituting at the top of bossing B4, Second plane 42 is the plane residing for recessed portion C4, and described bossing B4 is discontinuous, described recessed portion C4 It is distributed in around bossing B4, continuous 3rd plane is formed on the bottom of bossing B4 and the bottom of recessed portion C4 43, there is the infundibulate solid perforate D4 extended from the second plane 42 to the 3rd plane 43, institute in the second described plane 42 The bottom of the infundibulate solid perforate D4 for stating constitutes fourth plane 44;Wherein:First plane is with difference in height L1 of the second plane 0.8mm;Second plane is 1.0mm with difference in height L2 of fourth plane;The perforated area of infundibulate solid perforate D4 is flat with second The gross area ratio in face 42 is less than 70 %, and the fibre density between described the first plane 41 and the 3rd plane 43 is less than the second plane 42 and the 3rd fibre density between plane 43, and recessed portion C4 forms strip and is distributed in bossing B4 surroundings, increases The support of bossing B4 bottoms surrounding, effectively increases the raised retentivity of bossing B4, prevents from winding or using When be crushed.
And the 3rd plane 43 is entered for continuous plane and positioned at the bottom of bossing B4 and the bottom of recessed portion C4 One step increased and bossing B4 is supported, while the contact area with lower floor's guide layer or absorbed layer is also increased, so as to increase Big adhesion strength, does not easily cause when in use surface layer and comes off or shift.

Claims (8)

1. a kind of perforate three-dimensional non-woven fabric, it is characterised in that:Described perforate three-dimensional non-woven fabric has four planes, the first plane By constituting at the top of bossing, the second plane is the plane residing for recessed portion, and described recessed portion is distributed in lug boss Around point;Continuous 3rd plane is formed on the bottom of bossing and the bottom of recessed portion, in the second described plane With the infundibulate solid perforate extended to the 3rd plane from the second plane, the bottom of described infundibulate solid perforate constitutes the Four planes;Fibre density between described the first plane and the 3rd plane is less than the fiber between the second plane and the 3rd plane Density.
2. a kind of perforate three-dimensional non-woven fabric as claimed in claim 1, it is characterised in that:Described the first plane and the second plane For hydrophobic plane.
3. a kind of perforate three-dimensional non-woven fabric as claimed in claim 1, it is characterised in that:The 3rd described plane is hydrophilic flat Face.
4. a kind of perforate three-dimensional non-woven fabric as claimed in claim 1, it is characterised in that:The first described plane and the second plane Difference in height be 0.2-5.0mm.
5. a kind of perforate three-dimensional non-woven fabric as claimed in claim 4, it is characterised in that:The first described plane and the second plane Difference in height be 0.8-3.0mm.
6. a kind of perforate three-dimensional non-woven fabric as claimed in claim 1, it is characterised in that:Described infundibulate solid perforate is opened The gross area ratio of hole area and the second plane is less than 70 %.
7. a kind of perforate three-dimensional non-woven fabric as claimed in claim 1, it is characterised in that:Described the second plane and fourth plane Difference in height be 0.1-5.0mm.
8. a kind of perforate three-dimensional non-woven fabric as claimed in claim 7, it is characterised in that:Described the second plane and fourth plane Difference in height be 0.5-3.0mm.
CN201620712365.1U 2016-07-07 2016-07-07 Three -dimensional non -woven fabrics of trompil Withdrawn - After Issue CN206138291U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106038081A (en) * 2016-07-07 2016-10-26 厦门延江新材料股份有限公司 Three-dimensional pored non-woven fabric
CN107217387A (en) * 2017-05-27 2017-09-29 北京大源非织造股份有限公司 One kind embossing punching non-woven cloth and its preparation method and application
CN107815790A (en) * 2017-09-28 2018-03-20 厦门延江新材料股份有限公司 Apertured nonwoven cloth hot blast shaped device
CN108095903A (en) * 2018-01-26 2018-06-01 厦门延江新材料股份有限公司 A kind of three-dimensional ventilative sheet material and absorbent article
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106038081A (en) * 2016-07-07 2016-10-26 厦门延江新材料股份有限公司 Three-dimensional pored non-woven fabric
CN107217387A (en) * 2017-05-27 2017-09-29 北京大源非织造股份有限公司 One kind embossing punching non-woven cloth and its preparation method and application
CN107815790A (en) * 2017-09-28 2018-03-20 厦门延江新材料股份有限公司 Apertured nonwoven cloth hot blast shaped device
CN108095903A (en) * 2018-01-26 2018-06-01 厦门延江新材料股份有限公司 A kind of three-dimensional ventilative sheet material and absorbent article
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

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