CN214395705U - Composite antibacterial breathable film - Google Patents
Composite antibacterial breathable film Download PDFInfo
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- CN214395705U CN214395705U CN202120366215.0U CN202120366215U CN214395705U CN 214395705 U CN214395705 U CN 214395705U CN 202120366215 U CN202120366215 U CN 202120366215U CN 214395705 U CN214395705 U CN 214395705U
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Abstract
The utility model discloses an antibiotic ventilated membrane of combined type relates to complex film technical field, and its technical scheme main points are: the breathable film layer is compounded on the non-woven fabric layer, the non-woven fabric layer is reserved on two sides of the breathable film layer, the breathable film layer and the non-woven fabric layer are bonded through a hot melt adhesive layer, and edges on two sides of the breathable film layer are in a sawtooth shape or a wavy shape. The utility model discloses a compound structure has good antibiotic ventilation effect to the use travelling comfort of complex film has been improved.
Description
Technical Field
The utility model relates to a complex film technical field, more specifically say, it relates to an antibiotic ventilated membrane of combined type.
Background
The composite breathable film adopts non-woven fabric as a base layer, a breathable film layer is compounded on the non-woven fabric, a film with a certain breathable effect is formed by processing polymer materials such as PE and PP, and the breathable film is compounded on the non-woven fabric base layer, so that the composite breathable film has good strength performance as a whole, and can meet the breathable protection requirements of sanitary and protective articles.
The Chinese utility model patent with the publication number of CN211674919U discloses a bridge type breathable composite film, which is technically characterized by comprising a non-woven fabric and a breathable film, wherein the breathable film is arranged on the non-woven fabric at intervals, the non-woven fabric is reserved on two sides of the breathable film, the breathable film is bonded with the non-woven fabric through a hot melt adhesive, the width of the breathable film is 70-80mm, the distance between the two breathable films is 45-55mm, the breathable film adopts a bridge type structure to increase the breathability of the breathable composite film on the premise of ensuring that the breathable composite film is not leaked laterally, and on the other hand, materials can be saved; among this technical scheme, the compound ventilated membrane of complex on the ventilative complex film adopts the compound structure that bonds in interval, there is the edge that bonds between the non-woven fabrics of ventilated membrane and basic unit, this edge exists with the holistic intermediate position that leans on of complex film, and the intermediate position that leans on of complex film, also be the regional scope that the complex film touched with the friction usually in the use, under the great condition of contact strength when using, probably there is the separation from between the non-woven fabrics of ventilated membrane and basic unit, the border position of ventilated membrane produces conveniently, lead to the condition that the local earlier stage of ventilated membrane peeled off even, influence the normal of complex film and corresponding product.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at just providing an antibiotic ventilated membrane of combined type in order to solve foretell problem, adopt compound structure, have good connection stability, improved the use travelling comfort of complex film.
The above technical purpose of the present invention can be achieved by the following technical solutions: the composite antibacterial breathable film comprises a non-woven fabric layer and a breathable film layer, wherein the breathable film layer is compounded on the non-woven fabric layer, the non-woven fabric layer is reserved on two sides of the breathable film layer, the breathable film layer and the non-woven fabric layer are bonded through a hot melt adhesive layer, and edges of two sides of the breathable film layer are in a sawtooth shape or a wavy shape.
The utility model discloses further set up to: the edge of the hot melt adhesive layer exceeds the edge of the breathable film layer.
Through adopting above-mentioned technical scheme, hot melt adhesive layer's border position is bigger, surpasss the coarse edge of ventilative rete, because ventilative rete is thinner, on the marginal cross-section of ventilative rete during the compound bonding, also can bond hot melt adhesive layer, improves the bonding strength between ventilative rete border position and the non-woven fabrics, prevents that ventilative rete from producing the condition of edge perk.
The utility model discloses further set up to: the thickness of the breathable film layer is 0.01-0.02mm, and the distance from the edge of the hot melt adhesive layer to the edge of the breathable film layer is greater than the thickness of the breathable film layer.
Through adopting above-mentioned technical scheme, receive combined pressure between ventilative rete and the non-woven fabrics layer when the complex bonds, because the non-woven fabrics layer is softer, ventilative rete pressurized is absorbed in the middle of the non-woven fabrics layer slightly, at the contact edge of ventilative rete and non-woven fabrics, forms less bending, can improve connection stability with the cross-section and the hot melt adhesive layer adhesion of the tortuous flexion in edge of ventilative rete.
The utility model discloses further set up to: the depth of the jagged or wavy gap at the edge of the hot melt adhesive layer is 0.3-1.0 mm.
By adopting the technical scheme, the notch is small, and the notch is not different from the conventional flat edge in the aspect of integral use, so that the normal production and processing of the film are facilitated.
The utility model discloses further set up to: the non-woven fabric layer is internally provided with a plurality of mutually wound antibacterial fibers, and the antibacterial fibers comprise bamboo charcoal fibers and nano-silver fibers.
Through adopting above-mentioned technical scheme, bamboo charcoal fiber inside has porous structure, has good moisture absorption ventilative, antibacterial antibiotic effect, and nano silver fibre then can have antibacterial bacteriostatic effect to the harmful bacterium on surface, reduces breeding of harmful bacterium, compounds both antibacterial fibers to make this non-woven fabrics layer have good antibacterial bacteriostatic effect, can restrain breeding of the surperficial harmful bacterium of complex film.
The utility model discloses further set up to: the non-woven fabric layer is provided with an adsorption core layer, and the adsorption core layer and the breathable film layer are located on the same side of the non-woven fabric layer.
Through adopting above-mentioned technical scheme, the relative non-woven fabrics layer of absorption sandwich layer has more moisture absorption effect of absorbing water, can make compound ventilated membrane have stronger adsorption effect in the part, and the compound ventilated membrane of being convenient for carries out the absorption to the region.
The utility model discloses further set up to: one side complex on the non-woven fabrics layer has two at least ventilative retes, sets up the interval between the ventilative rete, the absorption sandwich layer sets up between two ventilative retes.
Through adopting above-mentioned technical scheme, will adsorb the sandwich layer and locate the intermediate position, form structure placed in the middle to can form good stable moisture absorption ventilative region in the centre, and both sides ventilated membrane layer position can produce certain restriction to the liquid permeation extension of adsorbed layer, is convenient for control the liquid of infiltration absorption on the compound rete.
The utility model discloses further set up to: the edge of the absorption core layer is compositely bonded between the non-woven fabric layer and the breathable film layer.
Through adopting above-mentioned technical scheme, stretch into between non-woven fabrics and the ventilative rete with the edge of adsorbing the sandwich layer, can increase the connection stability of adsorbing the sandwich layer, increase complex film bulk strength.
To sum up, the utility model discloses following beneficial effect has:
the non-woven fabric layer and the breathable film layer are bonded in a composite mode, so that the non-woven fabric layer and the breathable film layer have good breathability after being bonded and compounded, and a good liquid blocking effect is achieved at the position covered by the breathable film layer; jagged or wavy notch structure is predetermine at the edge of ventilative rete both sides, forms coarse edge in the edge, can prolong the length of the border position of ventilative rete, through the hot melt adhesive layer bonding back, can pressurize the bonding stability of ventilative rete and non-woven fabrics layer, especially improves border position bonding strength to make compound ventilated membrane whole more stable.
Drawings
FIG. 1 is a schematic structural view of a composite antibacterial breathable film of the present invention;
FIG. 2 is a schematic structural view of a composite antibacterial breathable film of the present invention;
fig. 3 is a first schematic structural view of the edge of the breathable film layer of the present invention;
fig. 4 is a schematic structural view of the edge of the breathable film layer of the present invention;
FIG. 5 is a schematic structural view of the edges of the hot-melt adhesive layer and the air permeable film layer of the present invention;
fig. 6 is a schematic structural view of the adsorption core layer of the present invention.
Reference numerals: 1. a non-woven fabric layer; 2. a breathable film layer; 3. an adsorption core layer; 4. a notch; 5. a hot melt adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, a composite antibacterial breathable film includes a nonwoven fabric layer 1 and a breathable film layer 2, which are combined by a hot melt adhesive layer 5, wherein the nonwoven fabric layer 1 has good softness and comfort and can absorb a certain amount of moisture, and dense micropores are present on the surface of the breathable film layer 2, so that gas can permeate through the microporous film layer and liquid moisture can be blocked, and thus the position covered by the breathable film layer 2 has a good liquid blocking effect; the non-woven fabric layer 1 is left on the two sides of the breathable film layer 2, so that the composite film is integrally subjected to water absorption and water seepage difference, and a local waterproof and breathable effect is formed.
Antibacterial fibers are arranged in the non-woven fabric, the antibacterial fibers comprise bamboo charcoal fibers and nano silver fibers, and the bamboo charcoal fibers and the nano silver fibers are mutually wound and staggered on the surface of the non-woven fabric layer 1; the bamboo charcoal fiber is internally provided with a porous structure, has good moisture absorption, ventilation, antibacterial and antibacterial effects, and the nano silver fiber can have antibacterial and antibacterial effects on harmful bacteria on the surface, so that the breeding of the harmful bacteria is reduced, and the antibacterial fibers are compounded, so that the non-woven fabric layer 1 has good antibacterial and antibacterial effects, and the breeding of the harmful bacteria on the surface of the composite film can be inhibited.
The edges of the two sides of the breathable film layer 2 are preset with sawtooth-shaped or wavy gap 4 structures, rough edges are formed at the edges, and the edges of the hot melt adhesive layers 5 exceed the edges of the breathable film layer 2; the thickness of the breathable film layer 2 is 0.01-0.02mm, and the distance from the edge of the hot melt adhesive layer 5 to the edge of the breathable film layer 2 is greater than the thickness of the breathable film layer 2; the exceeding distance is 2 to 3 times of the air-permeable film layer 2; sawtooth or wavy structure, can prolong the length of ventilative rete 2's border position, receive combined pressure between ventilative rete 2 and the non-woven fabrics layer 1 when the complex bonds, because non-woven fabrics layer 1 is more soft, ventilative rete 2 pressurized, slightly sink into in the middle of the non-woven fabrics layer 1, contact edge at ventilative rete 2 and non-woven fabrics, form less bending, sink into in the middle of hot melt adhesive layer 5 on ventilative rete 2's the edge face, also can bond hot melt adhesive layer 5, improve the bonding strength between ventilative rete 2 border position and the non-woven fabrics, prevent that ventilative rete 2 from producing the condition that the edge sticks up.
The depth of a sawtooth or wavy gap 4 at the edge of the hot melt adhesive layer 5 is 0.3-1.0mm, the gap 4 is small, the integral use is not different from the conventional flat edge, and the product prepared by the composite film is normally used; in the composite production process, the normal production and processing of the film can be facilitated according to similar procedures.
In order to increase the local adsorption effect of the composite membrane, an adsorption core layer 3 is arranged on the non-woven fabric layer 1, and the adsorption core layer 3 and the breathable membrane layer 2 are positioned on the same side of the non-woven fabric layer 1; the adsorption core layer 3 can also be made of non-woven fabrics, the hygroscopicity and the looseness of the adsorption core layer are better than those of the non-woven fabric layer 1, the moisture absorption and water absorption effects are better, the composite breathable film can have a stronger adsorption effect locally, and the composite breathable film is convenient to adsorb the region.
The two air-permeable film layers 2 in the composite film are generally compounded and bonded, and are distributed in a strip shape along the length direction of the film winding, and intervals are formed between the air-permeable film layers 2; the absorbent core layer 3 is positioned between the breathable film layers 2 at the two sides to form a central structure, so that a good and stable moisture absorption breathable area can be formed in the middle, and the positions of the breathable film layers 2 at the two sides can limit the liquid permeation expansion of the absorbent layer to a certain extent, so that the liquid permeation absorbed on the composite film layer can be conveniently controlled.
In order to increase the fastness of the composite bonding of the adsorption core layer 3, the edge of the adsorption core layer 3 is stretched between the non-woven fabric and the breathable film layer 2, and the adsorption core layer 3 is compositely bonded with the non-woven fabric layer 1 and the breathable film layer 2 on the two sides through hot melt adhesive, so that the connection stability of the adsorption core layer 3 can be increased, and the overall strength of the composite film is increased; the composite bonding edge position of the breathable film and the adsorption core layer 3 is consistent with the structure of the breathable film layer 2 bonded with the non-woven fabric layer 1, and the stable bonding of the edge position of the breathable film layer 2 can be ensured.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The composite antibacterial breathable film is characterized by comprising a non-woven fabric layer (1) and a breathable film layer (2), wherein the breathable film layer (2) is compounded on the non-woven fabric layer (1), the non-woven fabric layer (1) is reserved on two sides of the breathable film layer (2), the breathable film layer (2) is bonded with the non-woven fabric layer (1) through a hot melt adhesive layer (5), and edges on two sides of the breathable film layer (2) are in a sawtooth shape or a wavy shape.
2. The composite antimicrobial breathable film of claim 1, wherein: the edge of the hot melt adhesive layer (5) exceeds the edge of the breathable film layer (2).
3. The composite antimicrobial breathable film of claim 2, wherein: the thickness of the breathable film layer (2) is 0.01-0.02mm, and the distance from the edge of the hot melt adhesive layer (5) to the edge of the breathable film layer (2) is greater than the thickness of the breathable film layer (2).
4. The composite antimicrobial breathable film of claim 3, wherein: the depth of the jagged or wavy gaps (4) at the edge of the hot melt adhesive layer (5) is 0.3-1.0 mm.
5. The composite antimicrobial breathable film of claim 1, wherein: the non-woven fabric layer (1) is internally provided with a plurality of mutually wound antibacterial fibers, and the antibacterial fibers comprise bamboo charcoal fibers and nano-silver fibers.
6. The composite antimicrobial breathable film of claim 1, wherein: the non-woven fabric layer (1) is provided with an adsorption core layer (3), and the adsorption core layer (3) and the breathable film layer (2) are located on the same side of the non-woven fabric layer (1).
7. The composite antimicrobial breathable film of claim 6, wherein: one side complex on non-woven fabrics layer (1) has two at least ventilative rete (2), sets up the interval between ventilative rete (2), absorption sandwich layer (3) set up between two ventilative rete (2).
8. The composite antimicrobial breathable film of claim 7, wherein: the edge of the absorption core layer (3) is compositely bonded between the non-woven fabric layer (1) and the breathable film layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366215.0U CN214395705U (en) | 2021-02-09 | 2021-02-09 | Composite antibacterial breathable film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366215.0U CN214395705U (en) | 2021-02-09 | 2021-02-09 | Composite antibacterial breathable film |
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| CN214395705U true CN214395705U (en) | 2021-10-15 |
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| CN202120366215.0U Active CN214395705U (en) | 2021-02-09 | 2021-02-09 | Composite antibacterial breathable film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379162A (en) * | 2021-12-29 | 2022-04-22 | 和盛包装科技(海宁)股份有限公司 | Waterproof breathable composite membrane with microporous structure and preparation method thereof |
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2021
- 2021-02-09 CN CN202120366215.0U patent/CN214395705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379162A (en) * | 2021-12-29 | 2022-04-22 | 和盛包装科技(海宁)股份有限公司 | Waterproof breathable composite membrane with microporous structure and preparation method thereof |
| CN114379162B (en) * | 2021-12-29 | 2023-08-18 | 和盛包装科技(海宁)股份有限公司 | Waterproof breathable composite membrane with microporous structure and preparation method thereof |
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