CN107630319A - A kind of local hydrophilic non-woven fabrics and its production method - Google Patents
A kind of local hydrophilic non-woven fabrics and its production method Download PDFInfo
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- CN107630319A CN107630319A CN201710507524.3A CN201710507524A CN107630319A CN 107630319 A CN107630319 A CN 107630319A CN 201710507524 A CN201710507524 A CN 201710507524A CN 107630319 A CN107630319 A CN 107630319A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 155
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 93
- 239000011248 coating agent Substances 0.000 claims abstract description 88
- 239000000835 fiber Substances 0.000 claims abstract description 55
- 239000010410 layer Substances 0.000 claims abstract description 40
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 38
- 239000002344 surface layer Substances 0.000 claims abstract description 13
- 238000004049 embossing Methods 0.000 claims description 44
- 238000009826 distribution Methods 0.000 claims description 34
- 239000004744 fabric Substances 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 3
- 210000001124 body fluid Anatomy 0.000 abstract description 41
- 239000010839 body fluid Substances 0.000 abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000035807 sensation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000012466 permeate Substances 0.000 abstract description 3
- 230000005055 memory storage Effects 0.000 abstract 1
- 241001481760 Erethizon dorsatum Species 0.000 description 49
- 238000004080 punching Methods 0.000 description 35
- 239000002131 composite material Substances 0.000 description 10
- 230000002745 absorbent Effects 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 238000010422 painting Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000012792 core layer Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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Abstract
The invention discloses a kind of local hydrophilic non-woven fabrics and its production method, described nonwoven surface layer is hydrophobic fiber layer, has hydrophilic depression, and the hydrophilic depression fixed point is distributed on described non-woven fabrics, wherein:The inner side of the depression and the fiber surface of bottom have hydrophilic coating, non-woven fabrics join domain between the two neighboring depression is domed, so when for sanitary napkin or paper diaper surface layer during bioresorbable nonwoven surface, body fluid meeting water conservancy diversion is into hydrophilic depression, can be with short time memory storage in the valley, then quickly absorbed by absorptive core, give people adhesion skin, dry and comfortable sensation.In process of production simultaneously, non-woven fabrics first pinpoints to form depression, shrinkage pool or projection by being embossed apparatus for coating, then hydrophilic coating is carried out in the inner side of depression and bottom, both production stage is reduced, save production cost, it can prevent from being coated with dislocation caused by the hydrophilic coating process of concave inside and bottom again, influence to permeate and bleed back effect.
Description
Technical field
The present invention relates to a kind of non-woven fabrics field, more particularly to a kind of infiltration rate is fast, and body fluid residual is few, surface dry
Local hydrophilic non-woven fabrics and its production method.
Background technology
It is presently used for sanitary napkin, the predominantly punching casting films of paper diaper surface material, two kinds of non-woven fabrics.Non-woven fabrics is soft
Soft, fluffy to be easy to be accepted, in order to reach the purpose that infiltration rate is fast, and anti-on-slip is leaked, non-woven fabrics is typically from hydrophilic
Property fiber form.But although hydrophilic non-woven fabrics is in use, body fluid can quickly be absorbed and water conservancy diversion is inhaled to lower floor
Receiving sandwich layer and firmly being pinned by sandwich layer prevents from bleeding back, and due to surface tension, body fluid is easy to remain in fiber and fiber
Between, and the diffusion of body fluids area on non-woven fabrics top layer is larger, and formation reaches body fluid revolution mark, so as to cause tide sense big,
Return and ooze more, not dry and comfortable shortcoming.China Patent Publication No. is CN 103417337 A, publication date 2013.12.04, and invention is special
Sharp title：A kind of non-woven fabrics, this application case disclose a kind of non-woven fabrics, by the mode nonwoven surface of coating have with
Hydrophobic part of the contact angle of water more than 70 degree and with the hydrophilic segment of the contact angle of water less than 70 degree, wherein, contact angle is less than
70 degree of region is beneficial to the infiltration of body fluid, and region and can of the contact angle more than 70 degree plays a part of reduction and bled back.Although adopt
The hydrophilic segment area of nonwoven surface can be reduced with this method, the purpose bled back is reduced so as to play, but in hydrophilic portion
Split liquid can be equally remained between fiber and fiber, cause the superficial layer tide sense of hydrophilic segment stronger, therefore and skin contact
Part be still moist, easy adhesion skin, it is impossible to reach completely dry and comfortable purpose.Application No. 200980108877.X,
Patent of invention is entitled：Perforation non-woven cloth of the perforation with lining, this application case disclose a kind of side for non-woven cloth of perforating
Method, applied a surfactant to by sponge or brush applicator or spray equipment on the pin of perforated roll, then puncture it is non-
Surfactant is transferred to the inner surface of non-woven cloth perforation while woven cloths.But perforating needle is by the way that perforating needle is all
The fiber enclosed squeezes the perforation so as to be formed to surrounding and non-woven cloth lower surface, will necessarily be with punching during fiber exclusion
Pin is rubbed, and if perforating needle is coated again while perforation, then the coating formed necessarily will not uniformly be distributed
In the inner surface of perforation, so as to fall flat.And during non-woven cloth forms perforation, generally require to heat
Perforated roll, make perforating needle that there is certain temperature, could quickly pierce through non-woven cloth and form the fibers melt around perforating
Perforation and effectively holding pass, and there is surfactant in this application case on perforating needle, high temperature will necessarily be to surface-active
The performance of agent produces certain influence, so as to reach the hydrophilic purpose of perforated inner, and on perforating needle there is surface to live
Property agent can also influence the control of temperature in production process, if temperature is too low, perforation can not be kept, if temperature is too high,
Fiber around perforation can produce excessive fused deposition, so as to influence the permeance property of non-woven cloth.
The content of the invention
It is an object of the invention to overcome prior art defect, there is provided a kind of infiltration rate is fast, and body fluid residual is few, and surface is done
Refreshing local hydrophilic non-woven fabrics and its production method.
Technical scheme is as follows：
A kind of local hydrophilic non-woven fabrics, described nonwoven surface layer are hydrophobic fiber layer, and described non-woven fabrics has fixed
The hydrophilic depression of point distribution, wherein:The inner side of the depression and the fiber surface of bottom have hydrophilic coating；It is described two neighboring
Non-woven fabrics join domain between depression is domed, and the area of the depression accounts for the 10-90% of nonwoven surface aspect product；It is described
The depth of depression is 0.2-5mm.
" hydrophilic " of the present invention is preferably that the contact angle of surface and water is less than 90 degree.Described " hydrophobic " is preferably table
The contact angle of face and water is more than 90 degree.
In a preferred embodiment of the invention, described depression is recessed for three-dimensional infundibulate.
In a preferred embodiment of the invention, described depression is three-dimensional funnel-shaped recess.
In a preferred embodiment of the invention, the bottom of described depression has perforate.
In a preferred embodiment of the invention, described non-woven fabrics has projection.
A kind of absorbing articles for including described local hydrophilic non-woven fabrics.
A kind of production method of local hydrophilic non-woven fabrics, its elementary production steps include：It is hydrophobic nonwoven by superficial layer
Cloth is sent into embossing apparatus for coating by deflector roll, and described embossing apparatus for coating includes being embossed convex roller, recessed roller, the convex roller of coating, sponge
Roller, upper liquid roller and reservoir, wherein：The recessed roller matches with being embossed convex roller and be coated with convex roller respectively, the convex roller of the embossing and
It is identical that raised distribution is coated with convex roller；Before non-woven fabrics enters embossing apparatus for coating, the hydrophilizing agent in reservoir passes through upper liquid
Roller is carried on sponge roller, and hydrophilizing agent is transferred to and is coated with the projection of convex roller by sponge roller and coating convex roller when being in contact；Operation
When, non-woven fabrics is coated on to enter on the convex roller of embossing and is embossed between convex roller and recessed roller, and the convex roller of embossing of heating is all by described convex roller
The non-woven fabrics fiber extruding enclosed and melt surface form described non-woven fabrics depression and cause the nothing between two neighboring depression
It is domed to spin cloth join domain, while the non-woven fabrics after embossing molding is driven to enter by recessed roller and is coated between convex roller and recessed roller,
Hydrophilizing agent in the projection of the convex roller of coating is coated in the inner side and bottom of non-woven fabrics depression, so as to local in formation
Hydrophilic nonwoven fabrics, wherein：The heating-up temperature for being embossed convex roller is 60 DEG C~150 DEG C.
In a preferred embodiment of the invention, the described convex roller of embossing and the projection being coated with convex roller are distributed as fixed
Point distribution, including full version distribution and local distribution.
In a preferred embodiment of the invention, the convex roller of described embossing and the projection that is coated with convex roller for terrace with edge or
Round platform.
In a preferred embodiment of the invention, the convex roller of described embossing and the projection that is coated with convex roller for pyramid or
Circular cone.
In a preferred embodiment of the invention, there is rib in the described convex roller of embossing and the projection being coated with convex roller
Cone or circular cone.
In a preferred embodiment of the invention, there is projection, the convex roller of described embossing and painting on described recessed roller
There is the depression to match on the convex roller of cloth.
In a preferred embodiment of the invention, described hydrophilizing agent includes colourless hydrophilic finish and coloured parent
Printing stock ink.
After such scheme, the beneficial effects of the invention are as follows：The superficial layer of non-woven fabrics of the present invention is hydrophobic fiber layer, only
There is hydrophilic coating in the inner side of the depression of non-woven fabrics and bottom, so body fluid connects when for sanitary napkin or paper diaper surface layer
When touching nonwoven surface, because the surface tension of hydrophobic fiber is low, it is not easy to remain between the hydrophobic fiber on top layer, and adjacent two
Non-woven fabrics join domain between individual depression is domed, advantageously in body fluid fast guiding into hydrophilic depression so that body
Liquid can quickly be absorbed in depression after of short duration storage by absorptive core, and even if having body fluid to be returned from sandwich layer seeps back into surface layer,
Also it can only return and ooze from hydrophilic coating position, and hydrophilic coating is only located at the inner side and bottom of depression, so effectively prevent body fluid
Side leakage and rear leakage, and be not easy to bleed back to skin contact nonwoven surface, give people adhesion skin, dry and comfortable sensation.Exist simultaneously
In production process, non-woven fabrics first pinpoints to form depression, shrinkage pool or projection by being embossed apparatus for coating, then in the inner side of depression and
Bottom carries out hydrophilic coating, both reduces production stage, saves production cost, can prevent that concave inside and bottom are hydrophilic again
Dislocation is coated with caused by coating process, it is possibility to have effect prevents influence of the temperature to hydrophilizing agent in coating process, so as to shadow
Ring infiltration and bleed back effect, fall flat.Embossing and perforate easy control of temperature in production process simultaneously, are effectively avoided
Temperature is too low, caused by depression or perforate can not keep, and temperature is too high, then the fiber around depression or perforate can produce
More fused deposition, the problem of so as to influence the permeance property of non-woven cloth.
Brief description of the drawings
Fig. 1 a are the production technology schematic diagram of the local hydrophilic non-woven fabrics of the embodiment of the present invention 1；
Fig. 1 b are the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 1；
Fig. 1 c are the profile in the local hydrophilic non-woven fabrics O-O ' directions of the embodiment of the present invention 1；
Fig. 2 a are the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 2；
Fig. 2 b are the profile in the local hydrophilic non-woven fabrics P-P ' directions of the embodiment of the present invention 2；
Fig. 3 a are the production technology schematic diagram of the local hydrophilic non-woven fabrics of the embodiment of the present invention 3；
Fig. 3 b are the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 3；
Fig. 3 c are the profile in the local hydrophilic non-woven fabrics Q-Q ' directions of the embodiment of the present invention 3；
Fig. 4 a are the production technology schematic diagram of the local hydrophilic non-woven fabrics of the embodiment of the present invention 4；
Fig. 4 b are the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 4；
Fig. 4 c are the profile in the local hydrophilic non-woven fabrics R-R ' directions of the embodiment of the present invention 4；
Fig. 5 a are the production technology schematic diagram of the local hydrophilic non-woven fabrics of the embodiment of the present invention 5；
Fig. 5 b are the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 5；
Fig. 5 c are the profile in the local hydrophilic non-woven fabrics S-S ' directions of the embodiment of the present invention 5；
Fig. 6 a are the production technology schematic diagram of the local hydrophilic non-woven fabrics of the embodiment of the present invention 6；
Fig. 6 b are the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 6；
Fig. 6 c are the profile in the local hydrophilic non-woven fabrics T-T ' directions of the embodiment of the present invention 6；
Fig. 7 is the top view of the local hydrophilic non-woven fabrics of the embodiment of the present invention 7；
Embodiment
Technical scheme will be further detailed and retouched with reference to accompanying drawing below by way of embodiment
State.
Embodiment 1
As shown in Fig. 1 a, Fig. 1 b, Fig. 1 c, hydrophobic nonwoven 11 is sent into embossing apparatus for coating by deflector roll G1, it is described
Apparatus for coating is embossed by being embossed convex roller A1, recessed roller B1, coating convex roller C1, sponge roller D1, upper liquid roller E1 and reservoir F1 compositions, its
In：Roller A1 convex with embossing and the convex roller C1's recessed roller B1 of coating match respectively, are embossed convex roller A1 and are coated with projection distribution on convex roller C1
It is identical.Before non-woven fabrics 11 enters embossing apparatus for coating, the hydrophilizing agent in reservoir is carried to sponge roller by upper liquid roller E1
On D1, hydrophilizing agent is transferred to and is coated with convex roller C1 raised H1 by sponge roller D1 and coating convex roller C1 when being in contact.During operation, nothing
Spin cloth 11 and enter and be embossed between convex roller A1 and recessed roller B1, the convex roller A1 of embossing of heating by the non-woven fabrics fiber extruding around convex roller and
Melt surface forms described non-woven fabrics depression 1a, and make it that the non-woven fabrics join domain between two neighboring depression is domed
1d, while the non-woven fabrics after embossing molding is driven by recessed roller B1 and entered between the convex roller C1 and recessed roller B1 of coating, by the coating
Inner side 1b and bottom 1c of the hydrophilizing agent coated in non-woven fabrics depression 1a on convex roller C1 raised H1, so as to form local hydrophilic
Non-woven fabrics 12, wherein：It is embossed the terrace with edge or round platform that the convex roller A1 and raised H1 being coated with convex roller C1 is full version fixed point distribution, embossing
Convex roller A1 heating-up temperature is 60 DEG C~150 DEG C.The non-woven fabrics 12 is the hydrophobic of the hydrophilic depression 1a that surface has fixed point distribution
Non-woven fabrics, wherein：The 1a inner side 1b and bottom 1c fiber surface of being recessed has a hydrophilic coating, the nothing between two neighboring depression
The area for spinning cloth join domain domed 1d, the 1a that is recessed accounts for the 80% of nonwoven surface aspect product, and the depth for the 1a that is recessed is 1mm.
The non-woven fabrics 12 can be applied in absorbent article, described absorbent article includes sanitary napkin, panty liner, paper urine
Trousers etc..The absorbent article is made up of surface layer, absorbed layer and bottom, wherein：Surface layer is the hydrophilic depression that surface has fixed point distribution
1a hydrophobic nonwoven 12, when in use, the body fluid of discharge with the surface of non-woven fabrics 12 when contacting, due to hydrophobic fiber by consumer
Surface tension is low and two neighboring depression between the domed 1d of non-woven fabrics join domain, body fluid is not easy to remain in dredging for top layer
Between water cellulose, and water conservancy diversion and can be temporarily stored into hydrophilic depression 1a, due to hydrophilic concave inside 1b and bottom 1c have it is hydrophilic
Coating so that it is suitable that concave inside and the surface tension of bottom increase to body fluid, contributes to that body fluid quickly absorbs and water conservancy diversion is to suction
Sandwich layer is received, and even if having body fluid to be returned from sandwich layer seeps back into surface layer, can only also return and ooze from hydrophilic coating position, and hydrophilic coating is only
Positioned at sunk part 1a, thus be not easy to bleed back to skin contact nonwoven surface, give people adhesion skin, dry and comfortable sensation.
In process of production, non-woven fabrics first pinpoints to form depression 1a by being embossed apparatus for coating, is then being recessed again simultaneously
1a inner side 1b and bottom 1c carries out hydrophilic coating, both reduces production stage, saves production cost, can prevent from being recessed again
Dislocation is coated with caused by inner side 1b and the hydrophilic coating process of bottom 1c, influences to permeate and bleed back effect.Simultaneously in production process
Embossing temperature is easily controlled, and it is too low to effectively prevent temperature, caused by be recessed and can not keep, and temperature is too high, then around depression
Fiber can produce excessive fused deposition, the problem of so as to influence the permeance property of non-woven cloth.
Embodiment 2
As shown in Fig. 2 a, Fig. 2 b, non-woven fabrics 22 is made up of upper strata hydrophobic fiber layer 2d and lower floor hydrophilic fibers layer 2e, and
Depression 2a with fixed point distribution, wherein：The 2a inner side 2b and bottom 2c fiber surface of being recessed has a hydrophilic coating, and adjacent two
The area of non-woven fabrics join domain domed 2d, the 2a that is recessed between individual depression account for the 60% of nonwoven surface aspect product, depression
2a depth is 3mm.
The mode of production of non-woven fabrics 22 is carried out with reference to embodiment 1.
Because the upper strata of non-woven fabrics 22 is hydrophobic fiber layer, the non-woven fabrics 22 is being used for sanitary napkin or paper diaper surface layer,
When in use, the body fluid of discharge is when the hydrophobic fiber layer with the surface of non-woven fabrics 22 is in contact consumer, due to hydrophobic fiber
Surface tension is low and two neighboring depression between the domed 2d of non-woven fabrics join domain, body fluid is not easy to remain in the hydrophobic of top layer
Between fiber, and understand water conservancy diversion and keep in hydrophilic depression 2a, because hydrophilic concave inside 2b and bottom 2c has hydrophilic painting
Layer so that it is suitable that concave inside and the surface tension of bottom increase to body fluid, contributes to that body fluid quickly absorbs and water conservancy diversion is to absorption
Sandwich layer.And the body fluid fast guiding that the hydrophilic fibers layer of lower floor helps to remain in surface fiber layer is into absorptive core,
Further increase seepage velocity, prevent body fluid from sliding leakage and rear leakage, so as to further improve dry-ness and permeability.
Embodiment 3
It is that hydrophobic non-woven fabrics 31 is arranged by deflector roll G3 feeding punching paintings by top layer as shown in Fig. 3 a, Fig. 3 b, Fig. 3 c
Put, described punching apparatus for coating is by punching porcupine roller A3, recessed roller B3, coating porcupine roller C3, sponge roller D3, upper liquid roller E3 and reservoir
F3 is formed, wherein：Recessed roller B3 matches with punching porcupine roller A3 and coating porcupine roller C3 respectively, on punching porcupine roller A3 and coating porcupine roller C3
The distribution of pin is identical.Before non-woven fabrics 31 enters punching apparatus for coating, the hydrophilizing agent in reservoir F3 is taken by upper liquid roller E3
Taking on sponge roller D3, hydrophilizing agent is transferred on coating porcupine roller C3 pin H3 by sponge roller E3 and coating porcupine roller C3 when being in contact,
During operation, non-woven fabrics 31 enters between punching porcupine roller A3 and recessed roller B3, and the punching porcupine roller A3 of heating is by the nonwoven around perforating needle
Measuring fiber extrudes and melt surface forms described non-woven fabric solid infundibulate perforate 3e, and so that between two neighboring perforate
The domed 3d of non-woven fabrics join domain, while the non-woven fabrics after perforate passes through recessed roller B3 transmissions and enters coating porcupine roller C3 and recessed roller
Between B3, the hydrophilizing agent on the pin H3 of the coating porcupine roller C3 is coated in non-woven fabrics perforate 3e inner side 3b, so as to formed
Local hydrophilic non-woven fabrics 32.Wherein：The perforating needle punched on porcupine roller A3 is the pyramid or circular cone of full version fixed point distribution, punches porcupine roller
A3 heating-up temperature is 60 DEG C~150 DEG C.The non-woven fabrics 32 is the hydrophilic three-dimensional infundibulate perforate 3e that surface has fixed point distribution
Top layer be hydrophobic non-woven fabrics, wherein：Three-dimensional infundibulate perforate 3e inner side 3b fiber surfaces have hydrophilic coating, solid leakage
Bucket shape perforate 3e area accounts for the 30% of nonwoven surface aspect product, and three-dimensional infundibulate perforate 3d depth is 0.5mm.
Because non-woven fabrics 32 for surface is hydrophobic non-woven fabrics, only non-woven fabrics infundibulate perforate 3d inner side 3b tools
Have hydrophilic coating, the non-woven fabrics 32 be used for sanitary napkin or paper diaper surface layer, consumer when in use, the body fluid of discharge with
When the surface of non-woven fabrics 32 contacts, due to the surface tension of hydrophobic fiber is low and two neighboring depression between non-woven fabrics join domain
Domed 3d, and water conservancy diversion is understood into hydrophilic three-dimensional infundibulate perforate 3d, because 3b has parent on the inside of three-dimensional infundibulate perforate 3d
Water coating so that the surface tension on the inside of three-dimensional infundibulate perforate 3d increases to that body fluid is suitable and three-dimensional infundibulate perforate knot
Structure, contributes to that body fluid quickly absorbs and water conservancy diversion is to absorbent core layer, and three-dimensional infundibulate perforate effectively can prevent body fluid from bleeding back,
Give people adhesion skin, dry and comfortable sensation.Simultaneously in process of production, non-woven fabrics by be embossed apparatus for coating first pinpoint to be formed it is vertical
Body drain bucket shape perforate 3e, hydrophilic coating then is carried out in perforate 3e inner side 3b again, both reduce production stage, save life
Cost is produced, can prevent that 3b is coated with dislocation on the inside of three-dimensional infundibulate perforate caused by coating process, influences to permeate and returns again
Ooze effect.Perforate easy control of temperature in production process simultaneously, it is too low to effectively prevent temperature, caused by perforate 3e can not protect
Hold, and temperature is too high, then the fiber around perforate 3e can produce excessive fused deposition, so as to influence the permeability of non-woven cloth
The problem of energy.
Embodiment 4
It is that hydrophobic non-woven fabrics 41 is sent into punching embossing coating by deflector roll G4 by top layer as shown in Fig. 4 a, Fig. 4 b, Fig. 4 c
Device, described punching are embossed apparatus for coating by embossing punching porcupine roller A4, recessed roller B4, the convex roller C4 of coating, sponge roller D4, upper liquid roller
E4 and reservoir F4 compositions, wherein：Recessed roller B4 matches with embossing punching porcupine roller A4 and coating porcupine roller C4 respectively, is embossed perforating needle
Roller A4 is identical with the distribution of pin on coating porcupine roller C4.Before non-woven fabrics 41 enters punching embossing device, the parent in reservoir F4
Aqua is carried on sponge roller D4 by upper liquid roller E4, and hydrophilizing agent is transferred into painting when sponge roller D4 and coating porcupine roller C4 are in contact
On cloth porcupine roller C4 pin H4, during operation, non-woven fabrics 41 enters between embossing punching porcupine roller A4 and recessed roller B4, the embossing punching of heating
The non-woven fabrics fiber extruding being embossed around perforating needle and melt surface are formed depression 4a and had in depression 4a bottom by porcupine roller A4
There is perforate 4e, and cause the domed 4d of non-woven fabrics join domain between two neighboring depression, while be embossed the nothing after perforate
Spin cloth and be driven by recessed roller B4 and entered between coating porcupine roller C4 and recessed roller B4, the hydrophilizing agent being coated with porcupine roller C4 pin H4 is coated
The non-woven fabrics depression 4a inner side 4b, bottom inside 4c and perforate 4e inner side 4f, so as to formed local hydrophilic without
Spin cloth 42.Wherein：It is terrace with edge or round platform to be embossed perforated roll A4 to have the bottom of local fixed point distribution, and top is at least one pyramid
Or the embossing perforating needle F4 of circular cone, embossing perforated roll A4 heating-up temperature are 60 DEG C~150 DEG C.The non-woven fabrics 42 has for surface
It is hydrophobic non-woven fabrics that part, which pinpoints the hydrophilic depression 4a of distribution and has perforate 4e top layer in depression 4a bottom, wherein：
Depression 4a inner side 4b and bottom 4c and perforate 4e inner side 4f fiber surface have hydrophilic coating, and the area for the 4a that is recessed accounts for
The 50% of nonwoven surface aspect product, the depth for the 4a that is recessed is 4mm.
Because non-woven fabrics 42 for surface is hydrophobic non-woven fabrics, only non-woven fabrics depression 4a inner side 4b and bottom 4c
And perforate 4d inner side 4f fiber surface has hydrophilic coating, the non-woven fabrics 42 is being used for sanitary napkin or paper diaper face
Layer, when in use, the body fluid of discharge with 42 middle local surfaces of non-woven fabrics when contacting, due to the surface of hydrophobic fiber by consumer
Tension force is low and two neighboring depression between the domed 4d of non-woven fabrics join domain, body fluid is not easy to remain in the hydrophobic fiber on top layer
Between, and water conservancy diversion is understood into hydrophilic depression 4a, due to the inner side 4f tools of 4b and bottom 4c and bottom opening 4d on the inside of depression 4a
There is hydrophilic coating, body fluid can be to be absorbed rapidly after fast guiding to absorbent core layer, and the 4a that is recessed can effectively reduce nothing
The contact area of cloth surface and human body is spun, and can prevent body fluid from bleeding back, gives people adhesion skin, dry and comfortable sensation.Simultaneously
Perforate 4e positioned at depression 4a bottoms can also further speed up the infiltration rate of body fluid, leakage and side leakage phenomenon after effectively reducing
Generation.
Embodiment 5
It is that hydrophobic non-woven fabrics 51 is sent into punching embossing coating by deflector roll G5 by top layer as shown in Fig. 5 a, Fig. 5 b, Fig. 5 c
Device, described punching are embossed apparatus for coating by punching porcupine roller A5, knurling rolls B5, coating porcupine roller C5, sponge roller D5, upper liquid roller E5
Formed with reservoir F5, wherein：Knurling rolls B5 matches with punching porcupine roller A5 and coating porcupine roller C5 respectively, punches porcupine roller A5 and painting
The distribution of pin is identical on cloth porcupine roller C5.Before non-woven fabrics 51 enters punching embossing apparatus for coating, the hydrophilizing agent in reservoir F5
It is carried to by upper liquid roller E5 on sponge roller D5, hydrophilizing agent is transferred to coating needle when sponge roller D5 and coating porcupine roller C5 are in contact
On roller A5 pin H5, during operation, non-woven fabrics 51 enters between punching porcupine roller A5 and knurling rolls B5, and the punching porcupine roller A5 of heating will be beaten
Non-woven fabrics fiber extruding and melt surface around the pin of hole form non-woven fabric solid infundibulate perforate 5e, while on knurling rolls B5
Projection causes non-woven fabrics to extrude to form raised 5g, while is embossed the non-woven fabrics after perforate and enters coating needle by knurling rolls B5 transmissions
Between roller C5 and knurling rolls B5, the hydrophilizing agent on the pin H5 of the coating porcupine roller C5 is coated in non-woven fabrics perforate 5e inner side
5b, so as to form local hydrophilic non-woven fabrics 52.Wherein：Punching porcupine roller A5 has the pyramid of local fixed point distribution or beating for circular cone
Hole pin H5, knurling rolls B5 have the terrace with edge or round platform projection J5 of local fixed point distribution, and punching porcupine roller A5 heating-up temperature is 60 DEG C
~150 DEG C.The surface of non-woven fabrics 52 has a three-dimensional hydrophilic infundibulate perforate 5e of local fixed point distribution and top layer is hydrophobic convex
5g is played, wherein：Three-dimensional infundibulate perforate 5e inner side 5b fiber surface has hydrophilic coating, and the area for the 5a that is recessed accounts for non-woven fabrics
The 10% of superficial layer area, the depth for the 5a that is recessed is 2mm.
Because the top layer with local fixed point distribution of non-woven fabrics 52 is hydrophobic raised 5g, and only in inner side 5b fiber
Surface has the three-dimensional infundibulate perforate 5e of hydrophilic coating, and the non-woven fabrics 52 is being used for into sanitary napkin or paper diaper surface layer, consumption
When in use, the body fluid of discharge with 52 middle local surfaces of non-woven fabrics when contacting, because raised 5g surfaces are not easy Liquid Residue by person
Body, and the surface tension of hydrophobic fiber is low, body fluid is not easy to remain between the hydrophobic fiber on top layer, and meeting water conservancy diversion is stood to hydrophilic
In body drain bucket shape perforate 5e, so as to will quickly be absorbed rapidly after body fluid water conservancy diversion to absorbent core layer, and raised 5g can
It further effectively to reduce nonwoven surface and the contact area of human body, and can prevent body fluid from bleeding back, give people adhesion skin
Skin, dry and comfortable sensation.
Embodiment 6
As shown in Fig. 6 a, Fig. 6 b, Fig. 6 c, hydrophobic non-woven fabrics 61 is sent into punching embossing composite coating by deflector roll G6 and filled
Put, described punching is embossed composite coating device by punching porcupine roller A6, knurling rolls I6, composite roll B6, coating porcupine roller C6, sponge roller
D6, upper liquid roller E6 and reservoir F6 compositions, wherein：Perforated roll A6 matches with knurling rolls I6 and composite roll B6 respectively, coating needle
Roller C6 matches with composite roll B6, and punching porcupine roller A6 is identical with the distribution for being coated with pin on porcupine roller C6.Enter in non-woven fabrics 61 and be embossed
Before composite coating device, the hydrophilizing agent in reservoir F6 is carried on sponge roller D6 by upper liquid roller E6, sponge roller D6 and painting
Hydrophilizing agent is transferred on coating porcupine roller C6 pin H6 when cloth porcupine roller C6 is in contact, during operation, non-woven fabrics 61 enters punching porcupine roller
Between A6 and knurling rolls I6, the non-woven fabrics fiber extruding around perforating needle and melt surface are formed institute by the punching porcupine roller A6 of heating
The non-woven fabric solid infundibulate perforate 6e stated, while the projection on knurling rolls I6 causes non-woven fabrics to extrude to form raised 6g, then
Punch after being embossed 61 are answered with non-woven fabrics 63 being coated on perforated roll A6 to enter between perforated roll A6 and composite roll B6
Merge and embossing is punched, the non-woven fabrics after perforate is driven by composite roll B6 to be entered between coating porcupine roller C6 and composite roll B6, will
The hydrophilizing agent being coated with porcupine roller C6 pin H6 is coated in non-woven fabrics perforate 6e inner side 6b, so as to form the compound nothing of local hydrophilic
Spin cloth 62.Wherein：Punching porcupine roller A6 has the pyramid of local fixed point distribution or the perforating needle H6 of circular cone, and knurling rolls I6 has local
The terrace with edge or round platform projection J6, composite roll B6 for pinpointing distribution have the shrinkage pool K6 with the perforating needle H6 phases on punching porcupine roller A6,
The heating-up temperature for punching porcupine roller A6 is 60 DEG C~150 DEG C.The surface of compound nonwoven cloth 62 has the solid parent of local fixed point distribution
Hyponome shape perforate 6e and top layer are hydrophobic raised 6g, wherein：Three-dimensional infundibulate perforate 6e inner side 6b fiber surface tool
There is hydrophilic coating, three-dimensional infundibulate perforate 6e area accounts for the 18% of nonwoven surface aspect product, three-dimensional infundibulate perforate 6e's
Depth is 0.8mm.
Because the top layer with local fixed point distribution of compound nonwoven cloth 62 is hydrophobic raised 6g, and only inner side 6b's
Fiber surface has the three-dimensional infundibulate perforate 6e of hydrophilic coating, and the non-woven fabrics 63 is being used for into sanitary napkin or paper diaper surface layer,
Consumer when in use, the body fluid of discharge when being contacted with 62 middle local surfaces of non-woven fabrics, due to raised 5g surfaces be not easy it is residual
Liquid stay, and the surface tension of hydrophobic fiber is low, body fluid is not easy to remain between the hydrophobic fiber on top layer, and can water conservancy diversion to hydrophilic
Three-dimensional infundibulate perforate 6e in, so as to will quickly be absorbed rapidly after body fluid water conservancy diversion to absorbent core layer, and due to
Raised 6g is by the compound hollow boss to be formed of non-woven fabrics 61 and non-woven fabrics 63, so both can effectively reduce non-woven fabrics table
Face and the contact area of human body, and can prevent body fluid from bleeding back, adhesion skin, dry and comfortable sensation are given people, can be prevented again
Bossing is extruded, and is formed between non-woven fabrics 61 and non-woven fabrics 63 and is effectively formed gas channel, prevent channel blockage, pressed
Collapse, there is provided the inner-outer circulation of air-flow, reduce wet vexed sense.
Embodiment 7
As shown in fig. 7, non-woven fabrics 7d has the depression 7a of local fixed point distribution, wherein：Be recessed 7a inner side and bottom
Fiber surface has hydrophilic ink coating.The mode of production of non-woven fabrics 72 is carried out with reference to embodiment 1.
Because depression 7a inner side and the fiber surface of bottom have hydrophilic ink coating, therefore pinpoint the depression 7a of distribution
The contact area with skin can not only be reduced, by water conservancy diversion to the body fluid fast guiding in depression 7a to absorptive core so as to fast
Speed absorbs, and reaches and improves dry-ness and infiltrative purpose, and coloured ink can cause the depression of local fixed point distribution
7a forms certain pattern, such as the pattern of flower formed in the present embodiment, has both added the aesthetic feeling of the design of absorbent article, has again
There is design specificity.
The foregoing is only a preferred embodiment of the present invention, therefore can not limit the scope that the present invention is implemented according to this, i.e.,
The equivalent changes and modifications made according to the scope of the claims of the present invention and description, all should still it belong in the range of the present invention covers.
Claims (13)
- A kind of 1. local hydrophilic non-woven fabrics, it is characterised in that：Described nonwoven surface layer is hydrophobic fiber layer, described nonwoven Cloth has the hydrophilic depression of fixed point distribution, wherein:The inner side of the depression and the fiber surface of bottom have hydrophilic coating；It is described Non-woven fabrics join domain between two neighboring depression is domed, and the area of the depression accounts for nonwoven surface aspect product 10%-90%；The depth of the depression is 0.2-5mm.
- A kind of 2. local hydrophilic non-woven fabrics as claimed in claim 1, it is characterised in that：Described depression is that three-dimensional infundibulate is recessed Fall into.
- A kind of 3. local hydrophilic non-woven fabrics as claimed in claim 1, it is characterised in that：Described depression is that three-dimensional infundibulate is recessed Hole.
- A kind of 4. local hydrophilic non-woven fabrics as claimed in claim 1, it is characterised in that：The bottom of described depression has at least One perforate.
- A kind of 5. local hydrophilic non-woven fabrics as claimed in claim 1, it is characterised in that：Described non-woven fabrics has projection.
- A kind of 6. absorbing articles of the local hydrophilic non-woven fabrics including described in claim 1.
- 7. a kind of production method of local hydrophilic non-woven fabrics, its elementary production steps include：It is hydrophobic non-woven fabrics by superficial layer Embossing apparatus for coating is sent into by deflector roll, described embossing apparatus for coating include being embossed convex roller, recessed roller, the convex roller of coating, sponge roller, Upper liquid roller and reservoir, wherein：Roller convex with embossing and the convex roller of coating match the recessed roller respectively, described to be embossed convex roller and coating Raised distribution is identical on convex roller；Before non-woven fabrics enters embossing apparatus for coating, the hydrophilizing agent in reservoir is taken by upper liquid roller Take on sponge roller, hydrophilizing agent is transferred to and is coated with the projection of convex roller by sponge roller and coating convex roller when being in contact；During operation, nothing Spin cloth and be coated on the convex roller of embossing and enter between the convex roller of embossing and recessed roller, heating is embossed convex roller by the nothing around described convex roller Spin measuring fiber extruding and melt surface forms described non-woven fabrics depression, while the non-woven fabrics after embossing molding is driven by recessed roller Into being coated between convex roller and recessed roller, by the hydrophilizing agent in the projection of the convex roller of coating coated in non-woven fabrics depression Side and bottom, so as to form local hydrophilic non-woven fabrics, wherein：The heating-up temperature for being embossed convex roller is 60 DEG C~150 DEG C.
- A kind of 8. production method of local hydrophilic non-woven fabrics as claimed in claim 7, it is characterised in that：The convex roller of described embossing Fixed point distribution, including full version distribution and local distribution are distributed as with the projection being coated with convex roller.
- A kind of 9. production method of local hydrophilic non-woven fabrics as claimed in claim 7, it is characterised in that：The convex roller of described embossing It is terrace with edge or round platform with the projection being coated with convex roller.
- A kind of 10. production method of local hydrophilic non-woven fabrics as claimed in claim 7, it is characterised in that：Described embossing is convex Roller and the projection being coated with convex roller are pyramid or circular cone.
- A kind of 11. production method of local hydrophilic non-woven fabrics as claimed in claim 7, it is characterised in that：Described embossing is convex There is at least one pyramid or circular cone in roller and the projection being coated with convex roller.
- A kind of 12. production method of local hydrophilic non-woven fabrics as claimed in claim 7, it is characterised in that：On described recessed roller With projection, there is the depression to match on the described convex roller of embossing and the convex roller of coating.
- A kind of 13. production method of local hydrophilic non-woven fabrics as claimed in claim 7, it is characterised in that：Described hydrophilizing agent Including colourless hydrophilic finish and coloured hydrophilic printing-ink.
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| CN201710507524.3A CN107630319A (en) | 2017-06-28 | 2017-06-28 | A kind of local hydrophilic non-woven fabrics and its production method |
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Cited By (13)
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|---|---|---|---|---|
| CN108163591A (en) * | 2018-02-09 | 2018-06-15 | 杭州萧山朝阳彩印包装有限公司 | A kind of multi-layer compound package film and its Embosser |
| CN108277655A (en) * | 2018-02-10 | 2018-07-13 | 韩旭 | A kind of full water repellent natural fiber spunlace non-woven cloth and its production equipment |
| CN109334143A (en) * | 2018-12-04 | 2019-02-15 | 佛山景慕无纺布科技有限公司 | Multilayer concave-convex embossed nonwoven fabric and production method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006183168A (en) * | 2004-12-27 | 2006-07-13 | Kao Corp | Fiber sheet |
| JP2009268559A (en) * | 2008-05-01 | 2009-11-19 | Daio Paper Corp | Absorbent article |
| CN103110386A (en) * | 2013-02-05 | 2013-05-22 | 金红叶纸业集团有限公司 | Thin water absorbing material and manufacturing method thereof |
| CN103417338A (en) * | 2013-07-17 | 2013-12-04 | 厦门延江工贸有限公司 | Three-dimensional non-woven fabric |
| CN105748209A (en) * | 2016-03-16 | 2016-07-13 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
-
2017
- 2017-06-28 CN CN201710507524.3A patent/CN107630319A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006183168A (en) * | 2004-12-27 | 2006-07-13 | Kao Corp | Fiber sheet |
| JP2009268559A (en) * | 2008-05-01 | 2009-11-19 | Daio Paper Corp | Absorbent article |
| CN103110386A (en) * | 2013-02-05 | 2013-05-22 | 金红叶纸业集团有限公司 | Thin water absorbing material and manufacturing method thereof |
| CN103417338A (en) * | 2013-07-17 | 2013-12-04 | 厦门延江工贸有限公司 | Three-dimensional non-woven fabric |
| CN105748209A (en) * | 2016-03-16 | 2016-07-13 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
Cited By (16)
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|---|---|---|---|---|
| CN108163591A (en) * | 2018-02-09 | 2018-06-15 | 杭州萧山朝阳彩印包装有限公司 | A kind of multi-layer compound package film and its Embosser |
| CN108277655A (en) * | 2018-02-10 | 2018-07-13 | 韩旭 | A kind of full water repellent natural fiber spunlace non-woven cloth and its production equipment |
| CN109334143A (en) * | 2018-12-04 | 2019-02-15 | 佛山景慕无纺布科技有限公司 | Multilayer concave-convex embossed nonwoven fabric and production method thereof |
| CN109334143B (en) * | 2018-12-04 | 2023-11-24 | 广东景慕无纺布科技有限公司 | Multilayer embossing non-woven fabric and production method thereof |
| CN111749023A (en) * | 2019-03-28 | 2020-10-09 | 深圳市芭格美生物科技有限公司 | Lysozyme non-woven fabric and preparation method thereof |
| CN110884251B (en) * | 2019-11-27 | 2021-05-07 | 重庆富美包装印务有限公司 | Turnover device for printing packaging bags |
| CN110884251A (en) * | 2019-11-27 | 2020-03-17 | 重庆富美包装印务有限公司 | Turnover device for printing packaging bags |
| 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 |
| CN111184606A (en) * | 2020-02-28 | 2020-05-22 | 湖州唯可新材料科技有限公司 | Non-woven fabric with longitudinal flow distribution performance and preparation method and application thereof |
| CN112603653A (en) * | 2020-12-09 | 2021-04-06 | 福建恒安集团有限公司 | Production process of three-dimensional surface material with hydrophilic gradient for paper diaper |
| CN112603654A (en) * | 2020-12-09 | 2021-04-06 | 福建恒安集团有限公司 | Online positioning local finishing process for disposable sanitary product |
| CN113430739A (en) * | 2021-06-21 | 2021-09-24 | 厦门延江新材料股份有限公司 | Local coating device and coating method thereof |
| CN113771426A (en) * | 2021-09-03 | 2021-12-10 | 上豪包装机械（镇江）有限公司 | Paper bag machine servo local humidifying device and using method thereof |
| CN113771426B (en) * | 2021-09-03 | 2023-06-30 | 上豪包装机械（镇江）有限公司 | Servo local humidifying device of paper bag machine and using method of servo local humidifying device |
| CN113774680A (en) * | 2021-09-29 | 2021-12-10 | 吴江市涂泰克纺织后整理有限公司 | Production process and production equipment of convex plain-woven fabric |
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Application publication date: 20180126 |