CN215328663U - Fluffy embossed non-woven fabric - Google Patents
Fluffy embossed non-woven fabric Download PDFInfo
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- CN215328663U CN215328663U CN202120241606.XU CN202120241606U CN215328663U CN 215328663 U CN215328663 U CN 215328663U CN 202120241606 U CN202120241606 U CN 202120241606U CN 215328663 U CN215328663 U CN 215328663U
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Abstract
The utility model discloses a fluffy embossed non-woven fabric, which is provided with a non-woven fabric embossed convex area and a non-woven fabric horizontal area, wherein the non-woven fabric embossed convex area is provided with at least one fluffy bulge integrally connected with the non-woven fabric horizontal area, and the non-woven fabric horizontal area is provided with at least one opening; the arch comprises the fibre that spins the cloth horizontal region the same, and whole bellied fibre density is the same and is less than the fibre density of non-woven fabrics horizontal region, because the fibre of non-woven fabrics horizontal region has certain supporting role to the arch, the retentivity of the protruding structure that so had been favorable to forming, and the arch is difficult for collapsing, has increased its compliance and fluffy nature again.
Description
Technical Field
The utility model relates to the field of non-woven fabrics, in particular to a fluffy embossed non-woven fabric applied to personal care and infant care.
Background
The hot-air non-woven fabric is formed by two-component short fibers through carding to form a web and fixing the web by hot air. The formed hot-air non-woven fabric is soft and skin-friendly, so that the hot-air non-woven fabric is widely applied to the surface layer of the disposable sanitary product and is highly concerned by consumers. But the capillary principle of the fiber leads the body fluid after permeation to return to the surface of the non-woven fabric again, so that a user has the feeling of moist, sticky skin and non-dry when using the non-woven fabric. The patent number is CN201410115950.9 utility model patent name: the utility model provides a three-dimensional non-woven fabrics with trompil structure, discloses a three-dimensional non-woven fabrics with trompil structure, and it has protruding region and depressed area and trompil structure to distribute, and when being used for the absorbent article surface course, what user's skin contacted is only the protruding part of non-woven fabrics, greatly reduced with the area of contact of skin, consequently improved absorbent article's dry and comfortable nature greatly. The manufacturing method comprises the following steps: as shown in fig. 1, a nonwoven fabric is passed through a pair of female roller M and male roller N which are engaged with each other, the female roller M having protrusions B and concave holes a around the protrusions, the male roller N having holes c and needles D, the nonwoven fabric forming, in the engaging process of the female roller M, convex regions B under the condition that the protrusions B of the female roller M and the concave holes c of the male roller N are pressed and heated, and forming an open-pore structure D under the condition that the concave holes a of the female roller M and the needles D of the male roller N pierce and are heated. However, the raised area B manufactured in the above way is formed by integrally extruding the non-woven fabric through the protrusions B, so that the bottom of the formed raised area B of the non-woven fabric is also raised, and when the raised area B is used for a surface layer of an absorbent product, the bottom of the raised area B cannot be in close contact with and connected with a core layer of the absorbent product, and is not beneficial to the infiltration of body fluid and the maintenance of a raised structure. In addition, since the convex regions B are formed only by being pressed by the protrusions B, the fiber density of the convex portions is inevitably higher than that of the original plane nonwoven fabric, and therefore, even if the convex surfaces are not pressed during the operation of the concavo-convex roller, the whole convex portions of the formed three-dimensional nonwoven fabric are stiffer than that of the original plane nonwoven fabric, and the soft touch feeling is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fluffy embossed non-woven fabric with soft touch.
In order to achieve the above purpose, the solution of the utility model is:
a fluffy embossed non-woven fabric is provided with a non-woven fabric embossed convex area and a non-woven fabric horizontal area; the non-woven fabric horizontal area is provided with at least one opening; the non-woven fabric embossing convex area is provided with at least one fluffy bulge integrally connected with the non-woven fabric horizontal area, namely, the bottom surface of the fluffy bulge and the bottom surface of the non-woven fabric horizontal area are on the same horizontal plane; the fluffy bulges are formed by fibers in the same horizontal area of the non-woven fabric, the fiber density of the whole fluffy bulges is the same and smaller than that of the horizontal area of the non-woven fabric, and the height of the bulges is 0.1-1.0 mm; the opening is funnel-shaped, the opening direction is opposite to the convex direction, and the average opening area of a single opening is less than 20mm2。
The fluffy embossed non-woven fabric is composed of bicomponent fibers or blend fibers of the bicomponent fibers and single-component fibers.
The bicomponent fiber is in a sheath-core structure, a side-by-side structure or an orange-lobe structure.
After the scheme is adopted, the fluffy embossed non-woven fabric provided by the utility model is provided with the non-woven fabric embossed convex area and the non-woven fabric horizontal area, the fluffy convex of the embossed convex area is formed by non-extrusion of the non-woven fabric between the needle roller and the concave roller, so that the whole fluffy convex is integrally connected with the non-woven fabric horizontal area, the bottom surface of the fluffy convex area is on the same horizontal plane, meanwhile, the fiber density is the same and is less than that of the non-woven fabric horizontal area, and the fibers in the non-woven fabric horizontal area have a certain supporting effect on the fluffy convex, so that the retainability of the formed fluffy convex structure is facilitated, the convex is not easy to collapse, and the flexibility and the fluffy performance of the fluffy convex structure are increased. When the fluffy embossed non-woven fabric is used for the surface layer of the absorbent product, the contact area with the skin is reduced, the dryness is improved, and no convex indentation is formed on the surface contacting the skin because of the rigidity of the convex when the fluffy embossed non-woven fabric is contacted and extruded with the skin.
Drawings
FIG. 1 is a schematic view of an embossing and punching apparatus according to the prior art;
FIG. 2 is a schematic view of the step (1) of producing a bulky embossed nonwoven fabric of example 1 of the present invention;
FIG. 3 is a schematic view of the step (2) of producing a bulky embossed nonwoven fabric of example 1 of the present invention;
fig. 4 is a schematic plan view of a bulky embossed nonwoven fabric of example 1 of the present invention;
FIG. 5 is a schematic cross-sectional view of a bulky embossed nonwoven fabric of example 1 of the present invention;
FIG. 6 is a schematic view showing the production of a bulky embossed nonwoven fabric according to example 2 of the present invention;
fig. 7 is a schematic plan view of a bulky embossed nonwoven fabric of example 2 of the present invention;
fig. 8 is a schematic cross-sectional view of a bulky embossed nonwoven fabric according to example 2 of the present invention.
Description of the symbols:
b bulge region D open pore structure
M concave roller and N convex roller a concave hole b bulge
c hole d needle
Example 1:
1 Hot-air non-woven fabric coiled material
2 fluffy embossing non-woven fabric
a1 embossed raised region of nonwoven fabric b1 horizontal region of nonwoven fabric
c1 bulge d1 open
A1 opener B1 carding machine C1 hot air oven D1 unwinding device
E1 guide roller F1 needle roller G1 concave roller H1 concave hole
I1 perforating needle J1 sunken F11 needle roller heating device
G11 concave roller heating device
Example 2:
3 fluffy embossed non-woven fabric
a2 embossed raised region of nonwoven fabric b2 horizontal region of nonwoven fabric
c2 bulge d2 open
A2 opener B2 carding machine C2 hot air oven
E2 guide roller F2 needle roller G2 concave roller H2 concave hole
I2 perforating needle J2 sunken F21 needle roller heating device
G21 concave roller heating device
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
In conjunction with fig. 2 to 8, the present invention discloses a bulky embossed nonwoven fabric 2 (3) having embossed raised areas a1 (a 2) and horizontal areas b1 (b 2); the non-woven fabric horizontal region b1 (b 2) is provided with at least one opening d1 (d 2), the non-woven fabric embossed convex region a1 (a 2) is provided with at least one fluffy convex c1 (c 2) integrally connected with the non-woven fabric horizontal region b1 (b 2), namely, the bottom surface of the fluffy convex c1 (c 2) is on the same horizontal plane with the bottom surface of the non-woven fabric horizontal region b1 (b 2); the fluffy protrusion c1 (c 2) is composed of fibers with the same fiber density in the non-woven fabric horizontal area b1 (b 2), the fiber density of the whole fluffy protrusion c1 (c 2) is the same and is less than that in the non-woven fabric horizontal area b1 (b 2), the height of the fluffy protrusion c1 (c 2) is 0.3-1mm, the opening d1 (d 2) is a funnel-shaped opening, the direction of the opening d1 (d 2) is opposite to that of the fluffy protrusion c1 (c 2), and the average opening area of the single opening d1 (d 2) is less than 20mm2。
The bulky embossed nonwoven fabric 2 (3) may be composed of bicomponent fibers or a blend of bicomponent fibers and monocomponent fibers. The bicomponent fibers are in a sheath-core configuration, a side-by-side configuration, or an orange-peel configuration.
Bump height test
Testing an instrument: 3D scanner Gocator 3502 Canada LMI Inc
Test samples: 10cm of fluffy embossed non-woven fabric and more than or equal to 60mm of width
The testing steps are as follows: 1. the test sample is placed under the 3D scanner and a transparent film is placed over the test sample to ensure the integrity of the raised structure on the test sample.
2. And opening the 3D scanner, logging in a browser, inputting an IP address, and connecting the computer and the 3D scanner.
3. And selecting a scanning button, scanning the test sample, clicking a calculating button, and calculating scanning data to obtain the height value of the convex part.
As shown in fig. 3 and 6, the present invention also discloses a mold for producing fluffy embossed non-woven fabric, which comprises a pair of mutually engaged embossing and punching rollers for embossing and punching, wherein: the embossing punching roller consists of a needle roller F1 (F2) and a concave roller G1 (G2), a heating device F11 (F21) is arranged on the needle roller F1 (F2) or a heating device G11 (G21) is also arranged on the concave roller G1 (G2), a punching needle area and a concave area are arranged on the needle roller F1 (F2), the punching needle area at least consists of one punching needle I1 (I2), the concave area at least consists of one concave J1 (2), and the height of the concave G1 (G2) is 0.4mm to 1.5 mm; concave holes H1 (H2) corresponding to the punching needles I1 (I2) are provided in the concave roller G1 (G2).
Example 1
As shown in fig. 1 and 2 in combination with fig. 3 and 4, the bulky embossed nonwoven fabric of the present invention is produced by the following method:
(1) the hot-air non-woven fabric preparation process comprises the steps of opening the two-component PE/PET fibers with the skin-core structure of 2.0 denier through an opener A1, carding through a carding machine B1 to form a fiber web, heating the fiber web through a hot-air oven C1, solidifying the fiber web together, and rolling to form the hot-air non-woven fabric coiled material 1.
(2) And an embossing step, namely, unwinding the hot-air non-woven fabric roll 1 by an unwinding device D1, and entering a pair of mutually meshed embossing and punching rollers for embossing and punching by a guide roller E1. The embossing-perforating roller consists of a needle roller F1 and a concave roller G1, wherein the heating temperature of the needle roller is 130 ℃ and the heating temperature of the concave roller is 100 ℃. The needle roller F1 is provided with a punching needle area and a concave area, the punching needle area is composed of 25 punching needles I1, the concave area is composed of 4 concave J1, the height of the concave J1 is 0.8mm, and the concave roller G1 is provided with concave holes H1 corresponding to the punching needles I1. The hot-air non-woven fabric 1 is pierced by a perforating needle I1 between a needle roller F1 and a concave roller G1 to form a funnel-shaped opening d1, the hot-air non-woven fabric 1 is not pressed by a concave J1 on the needle roller F1 to form a fluffy bulge c1, and then the fluffy embossed non-woven fabric 2 is formed after being rolled.
After the above scheme is adopted, the bulky embossed nonwoven fabric in the embodiment has the nonwoven fabric embossed convex region a1 and the nonwoven fabric horizontal region b1, the bulky convex c1 of the embossed convex region a1 is formed by the hot-air nonwoven fabric 1 between the needle roller F1 and the concave roller G1, and the hot-air nonwoven fabric 1 is not pressed due to the existence of the depression on the needle roller F1, so that the whole bulky convex c1 is integrally connected with the nonwoven fabric horizontal region b1, and the fiber density is the same and is less than that of the nonwoven fabric horizontal region b 1. The height of the bulky bump c1 of the bulky embossed nonwoven fabric in example 1 was 0.6mm as measured by the bulky bump c1 height detection method. Because the fibers in the horizontal area b1 of the non-woven fabric have a certain supporting effect on the fluffy protrusion c1, the structure of the fluffy protrusion c1 is maintained, the fluffy protrusion c1 is not easy to collapse, and the softness and the fluffy performance of the fluffy protrusion c1 are increased.
Example 2
As shown in fig. 6, 7 and 8, the bulky embossed nonwoven fabric of the present invention is produced by the following method:
(1) the hot-air non-woven fabric preparation process comprises the steps of opening the blended fiber of 1.5 denier side-by-side bicomponent PE/PET fiber and 2.0 denier single-component PET fiber through an opener A2, carding through a carding machine B2 to form a fiber web, and heating the fiber web through a hot-air oven C2 to solidify the fiber web together.
(2) And an embossing step, wherein the consolidated fibers enter a pair of mutually meshed embossing and punching rollers positioned behind a hot air oven C2 through a guide roller E2 to be embossed and punched. The embossing-perforating roller consists of a needle roller F2 and a concave roller G2, wherein the heating temperature of the needle roller is 140 ℃ and the heating temperature of the concave roller is 120 ℃. The needle roller F2 is provided with a punching needle area and a concave area, the punching needle area is composed of a plurality of punching needles I2, the concave area is composed of 1 concave J2, the concave height is 1.3mm, and concave holes H2 corresponding to the punching needles I2 are formed in the concave roller G2. The hot-air non-woven fabric 1 is pierced by a perforating needle I2 between a needle roller F2 and a concave roller G2 to form a funnel-shaped opening d2, the non-woven fabric is not extruded by a concave J2 on the needle roller F2 to form a fluffy bulge c2, and then the fluffy embossed non-woven fabric 3 is formed after rolling.
After the scheme is adopted, the fluffy embossed non-woven fabric in the embodiment is formed by the fiber web in the hot air oven C2, the non-woven fabric is directly fed into the embossing punching roller positioned behind the hot air oven C2 without being rolled for embossing and punching, the fiber and the fiber are only fused and bonded together in the surface layer of the hot air oven C2, and the fluffy degree is lost without being rolled and extruded, in addition, the embodiment adopts the bi-component fiber with the parallel structure, the fiber can form the crimped fiber after being heated due to different contraction forces of the two components, so the formed fluffy embossed non-woven fabric has more bulges, and the height of the fluffy bulges C2 of the fluffy embossed non-woven fabric in the embodiment is detected by a fluffy bulge C2 height detection method, and the height of the fluffy bulges C2 of the fluffy embossed non-woven fabric in the embodiment is 1.0 mm. The fluffy protrusions c2 of the embossed protrusion area a2 are formed by that the non-woven fabric is arranged between the needle roller F2 and the concave roller G2, and the non-woven fabric is not squeezed due to the existence of the depressions on the needle roller F2, so that the structure of the fluffy protrusions c2 is more favorably maintained, the protrusions are not easy to collapse, and the softness and the fluffy performance of the protrusions are increased. When the fluffy embossed non-woven fabric is used for the surface layer of the absorbent product, the contact area with the skin is reduced, the dryness is improved, and no convex indentation is formed on the surface contacting the skin because of the rigidity of the convex when the fluffy embossed non-woven fabric is contacted and extruded with the skin.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims.
Claims (1)
1. A fluffy knurling non-woven fabrics which characterized in that: the fluffy embossed non-woven fabric is provided with a non-woven fabric embossed convex area and a non-woven fabric horizontal area; the non-woven fabric horizontal area is provided with at least one opening; the non-woven fabric embossing convex area is provided with at least one fluffy bulge integrally connected with the non-woven fabric horizontal area, namely, the bottom surface of the fluffy bulge and the bottom surface of the non-woven fabric horizontal area are on the same horizontal plane; the fluffy convex partThe fluffy protrusions are made of fibers with the same fiber density in the horizontal area of the non-woven fabric, the fiber density of the whole fluffy protrusions is the same and smaller than that of the horizontal area of the non-woven fabric, and the height of the protrusions is 0.1-1.0 mm; the opening is funnel-shaped, the opening direction is opposite to the convex direction, and the average opening area of a single opening is less than 20mm2。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120241606.XU CN215328663U (en) | 2021-01-28 | 2021-01-28 | Fluffy embossed non-woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120241606.XU CN215328663U (en) | 2021-01-28 | 2021-01-28 | Fluffy embossed non-woven fabric |
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| CN215328663U true CN215328663U (en) | 2021-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853616A (en) * | 2021-01-28 | 2021-05-28 | 厦门延江新材料股份有限公司 | Fluffy embossed non-woven fabric and manufacturing method and manufacturing mold thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853616A (en) * | 2021-01-28 | 2021-05-28 | 厦门延江新材料股份有限公司 | Fluffy embossed non-woven fabric and manufacturing method and manufacturing mold thereof |
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