CN108939243B - Microporous breathable headband for mask - Google Patents
Microporous breathable headband for mask Download PDFInfo
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- CN108939243B CN108939243B CN201811013734.8A CN201811013734A CN108939243B CN 108939243 B CN108939243 B CN 108939243B CN 201811013734 A CN201811013734 A CN 201811013734A CN 108939243 B CN108939243 B CN 108939243B
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- band
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- bandage
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- layer
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- 229920001778 nylon Polymers 0.000 claims abstract description 49
- 239000004677 Nylon Substances 0.000 claims abstract description 44
- 239000011148 porous material Substances 0.000 claims abstract 2
- 239000004753 textile Substances 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 229920002334 Spandex Polymers 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000004759 spandex Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 210000004243 sweat Anatomy 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229920001084 poly(chloroprene) Polymers 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0683—Holding devices therefor
- A61M16/0694—Chin straps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2207/00—Methods of manufacture, assembly or production
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention belongs to the technical field of a head band, and particularly relates to a micropore ventilation head band for a mask, which comprises a connecting band, a first binding band and a second binding band, wherein the connecting band is arc-shaped, one end of the connecting band is connected with one end of the first binding band, the other end of the connecting band is connected with one end port of the second binding band, one end port of the first binding band, which is far away from the connecting band, is connected with a nylon buckle, the nylon buckle is directly buckled on the mask, the connecting band, the first binding band and the second binding band are integrally formed, a first auxiliary band is arranged at the middle section of the first binding band, the nylon buckle is arranged at one end of the first auxiliary band, which is far away from the first binding band, a second auxiliary band is arranged at the middle section of the second binding band, the nylon buckle is arranged at one end of the second auxiliary band, which is far away from the second binding band, micropores are distributed on the surfaces of the connecting band, the first binding band, the second binding band, the first auxiliary band and the second auxiliary band, and the micropore pore diameter is 0.2-0.5mm.
Description
Technical Field
The invention belongs to the technical field of headbands, and particularly relates to a microporous breathable head band for a mask.
Background
The headgear mechanism is primarily used to secure the respiratory mask to the head of the wearer. The comfort level of the headband mechanism is a weight indicator for measuring the quality, so that the improvement of the comfort level of the headband mechanism is always a goal continuously pursued by scientific researchers. The headband is generally made of elastic materials, and most of the elastic materials are made of resin materials, and the headband made of the resin materials can have certain elasticity, but the air permeability of the resin materials is not very good, sweat accumulation is often formed, and bacteria accumulation is easy to occur for a long time. The conventional headband material is formed by sequentially compounding elastic textile, chloroprene rubber and elastic textile through glue hot pressing, and the chloroprene rubber serving as an intermediate layer is airtight, so that adverse reactions such as stuffiness and skin allergy of a human body can be caused after the headband material is worn for a long time, and the chloroprene rubber can emit pungent smell and is harmful to the health of the human body.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the microporous breathable headband for the mask, which solves the problems that the conventional headband is poor in breathability and harmful to human bodies, and the like, and improves the overall breathability through the microporous breathable headband, so that the formation of sweat accumulation is prevented, and the comfort is greatly improved.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
the utility model provides a micropore ventilation bandeau for face guard, includes connecting band, first bandage and second bandage, the connecting band is convex, and the one end of first bandage is connected to one end, and the one end of second bandage is connected to the other end, the one end port connection that the connecting band was kept away from to first bandage has nylon to detain, the one end port that the connecting band was kept away from to second bandage is provided with nylon to detain, nylon detains on the direct hasp face guard, connecting band, first bandage and second bandage integrated into one piece, the middle section of first bandage is provided with first auxiliary belt, and the one end that first bandage was kept away from to first auxiliary belt is provided with nylon to first auxiliary belt, the middle section of second bandage is provided with the second auxiliary belt, and the one end that the second auxiliary belt was kept away from to second bandage is provided with nylon to detain, connecting band, first bandage, second bandage, first auxiliary belt and second auxiliary belt are all covered with micropore on the surface, and micropore aperture is 0.2-0.5mm.
The junction of connecting band and first bandage is provided with the supplementary area of third, and the one end that first bandage was kept away from to the supplementary area of third is provided with nylon knot, the junction of connecting band and second bandage is provided with the supplementary area of fourth, and the one end that the second bandage was kept away from to the supplementary area of fourth is provided with nylon knot.
And magic hooks are arranged on the surfaces of the third auxiliary belt and the fourth auxiliary belt at intervals.
The connecting band, the first binding band and the second binding band are all of a multi-layer structure and are compounded by adopting an ultrasonic vibration melting and pressing method.
The multi-layer structure comprises a first textile layer, a middle layer and a second textile layer, wherein the first textile layer is made of nylon fiber and polyester fiber blended cloth, the middle layer is made of foaming polyurethane, and the second textile layer is made of spandex fiber and polyester fiber blended cloth.
The compounding method of the multilayer structure comprises the following steps:
step 1, cutting a first textile layer, an intermediate layer and a second textile layer according to the size;
step 2, soaking the first textile layer and the second textile layer into an ethanol water solution for 10-20min, taking out and tiling;
step 3, the first textile layer and the second textile layer in the step 2 are sequentially paved in a die, the middle layer is arranged between the first textile layer and the second textile layer, then ultrasonic heating and pressurizing reaction is carried out for 1-2h, constant temperature overturning reaction is carried out for 20-60min, and new headband material is obtained after cooling;
and 4, performing secondary cutting on the new headband material to obtain the headband.
The volume concentration of the ethanol in the ethanol water solution in the step 2 is 70-75%.
The ultrasonic frequency of the ultrasonic heating and pressurizing reaction in the step 3 is 30-50kHz, the temperature is 170-180 ℃, and the pressure is 0.2-0.5MPa.
The temperature of the constant temperature overturning reaction in the step 3 is 160-170 ℃, and the overturning speed is 50-200r/min.
And (3) punching the new headband material in the step (4) before secondary cutting, so as to ensure that micropores are fully distributed on the upper surface.
The connecting belt adopted by the invention is arc-shaped, can form a fixing structure with a large path, can form component forces with different directions in the stretching process, is matched with the arc shape of the head, and improves the comfort; the first binding belt and the second binding belt can form an integral fixed elastic device, and nylon buckles arranged at the ports are stably connected with the mask; the first auxiliary belt and the second auxiliary belt extend out of the middle sections of the first binding belt and the second binding belt, nylon buckles are arranged on the first auxiliary belt and the second auxiliary belt, the first binding belt and the face mask form a triangular area, good connection stability is achieved, and the second auxiliary belt has the same effect; the connecting band, the first binding band, the second binding band, the first auxiliary band and the second auxiliary band are provided with micropores uniformly distributed on the surfaces, so that the sweat-proof belt has good ventilation effect, can prevent sweat accumulation, and has good circulation.
The ports of the third auxiliary belt and the fourth auxiliary belt are provided with nylon buckles, when the nylon buckles are used as the brain rear fixing belt, the nylon buckles of the third auxiliary belt, the fourth auxiliary belt and the connecting belt form a triangular-like area, and the triangular area is hollowed out, so that a good fixing effect is achieved; when the third auxiliary belt and the fourth auxiliary belt are connected with the mask, the mask fixing belt can be formed, good connection stability can be formed, meanwhile, the stress of the binding belt and the auxiliary belt is reduced, comfort is improved, and good fixing can be formed.
The auxiliary area of third and fourth are provided with the magic on the auxiliary area of area and fourth and collude, can carry out length adjustment to the auxiliary area of third and fourth as required, through the mutual adhesion that the magic colluded, can promote the convenience of adjusting, also promoted the practicality of bandeau simultaneously.
The ultrasonic vibration melt-pressing method can ensure the internal holes in an ultrasonic mode, and simultaneously, the resin in the middle layer is subjected to micro-melting infiltration to form a composite integrated structure, and the ultrasonic mode can reduce the internal bubble rate, discharge the gas formed by ethanol water and form the porous characteristic of the surface.
From the above description, it can be seen that the present invention has the following advantages:
1. the invention solves the problems of poor ventilation property, harm to human body and the like of the prior headband, and improves the whole ventilation property through the ventilation headband with a micropore structure, thereby preventing the formation of sweat accumulation and greatly improving the comfort.
2. The auxiliary belt can effectively improve good connection effect and stretching effect, can ensure the stability of the mask, can improve the connectivity between the mask and the connection belt, ensures the convenience of using the mask, and can meet various environmental requirements in various using modes.
3. The invention combines three layers of materials into a whole in an ultrasonic hot pressing mode, has good connection firmness, and simultaneously has good air permeability.
4. The invention adopts a constant temperature overturning mode to ensure that the gas converted from ethanol water can flow in the polyurethane on the surface to form a porous structure, thereby improving the air permeability.
5. The invention adopts a punching mode to form uniform and densely distributed micropores on the surface of the headband, thereby ensuring the uniformity of ventilation and heat dissipation and simultaneously ensuring the elastic strength.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of a connecting band according to embodiment 1 of the present invention.
Detailed Description
One embodiment of the present invention will be described in detail with reference to fig. 1 and 2, but does not limit the claims of the present invention.
Example 1
As shown in fig. 1 and 2, a micropore ventilation headband for face mask, including connecting band 1, first bandage 2 and second bandage 3, connecting band 1 is convex, and one end that first bandage 2 was connected to one end, and the one end that second bandage 3 was connected to the other end, the one end port that connecting band 1 was kept away from to first bandage 2 is connected with nylon knot 6, the one end port that connecting band 1 was kept away from to second bandage 3 is provided with nylon knot 6, nylon knot 6 is on the direct hasp face guard, connecting band 1, first bandage 2 and the integrative shaping of second bandage 3, the middle section of first bandage 2 is provided with first auxiliary band 4, and the one end that first bandage 2 was kept away from to first auxiliary band 4 is provided with nylon knot 6, the middle section of second bandage 3 is provided with second auxiliary band 5, and the one end that second auxiliary band 5 was kept away from second 3 is provided with nylon knot 6, the aperture that connecting band 1, first bandage 2, second bandage 3, first auxiliary band 4 and second auxiliary band 5 upper surface are micropore, and micropore are 0.2mm.
The junction of connecting band 1 and first bandage 2 is provided with the supplementary area of third 7, and the one end that the first bandage 2 was kept away from to the supplementary area of third 7 is provided with nylon knot 6, the junction of connecting band 2 and second bandage 3 is provided with the supplementary area of fourth 8, and the one end that the second bandage 3 was kept away from to the supplementary area of fourth 8 is provided with nylon knot 6.
The upper surfaces of the third auxiliary belt 7 and the fourth auxiliary belt 8 are respectively provided with a magic hook 9 at intervals.
The connecting band 1, the first binding band 2 and the second binding band 3 are all of a multi-layer structure and are formed by compounding by adopting an ultrasonic vibration melting-pressing method.
The multi-layer structure comprises a first textile layer 1-1, an intermediate layer 1-2 and a second textile layer 1-3, wherein the first textile layer 1-1 is made of blended cloth of nylon fibers and polyester fibers, the intermediate layer 1-2 is made of a foaming polyurethane layer, and the second textile layer 1-3 is made of blended cloth of spandex fibers and polyester fibers.
The compounding method of the multilayer structure comprises the following steps:
step 1, cutting a first textile layer, an intermediate layer and a second textile layer according to the size;
step 2, soaking the first textile layer and the second textile layer into an ethanol water solution for 10min, taking out and tiling;
step 3, the first textile layer and the second textile layer in the step 2 are sequentially paved in a die, the middle layer is arranged between the first textile layer and the second textile layer, then ultrasonic heating and pressurizing reaction is carried out for 1h, constant temperature overturning reaction is carried out for 20min, and new headband material is obtained after cooling;
and 4, performing secondary cutting on the new headband material to obtain the headband.
The volume concentration of ethanol in the ethanol water solution in the step 2 is 70%.
The ultrasonic frequency of the ultrasonic heating and pressurizing reaction in the step 3 is 30kHz, the temperature is 170-180 ℃, and the pressure is 0.2MPa.
The temperature of the constant temperature overturning reaction in the step 3 is 160 ℃, and the overturning speed is 50r/min.
And (3) punching the new headband material in the step (4) before secondary cutting, so as to ensure that micropores are fully distributed on the upper surface.
Example 2
The utility model provides a micropore ventilation bandeau for face guard, includes connecting band 1, first bandage 2 and second bandage 3, connecting band 1 is convex, and the one end of first bandage 2 is connected to one end, and the one end of second bandage 3 is connected to the other end, the one end port that connecting band 1 was kept away from to first bandage 2 is connected with nylon knot 6, the one end port that connecting band 1 was kept away from to second bandage 3 is provided with nylon knot 6, nylon knot 6 is on the direct hasp face guard, connecting band 1, first bandage 2 and the 3 integrated into one piece of second bandage, the middle section of first bandage 2 is provided with first supplementary area 4, and the one end that first bandage 2 was kept away from to first supplementary area 4 is provided with nylon knot 6, the middle section of second bandage 3 is provided with second supplementary area 5, and the one end that second bandage 3 was kept away from to second supplementary area 5 is provided with nylon knot 6, connecting band 1, first bandage 2, second bandage 3, first supplementary area 4 and second supplementary area 5 upper surface equipartition micropore, and micropore aperture are 0.5mm.
The junction of connecting band 1 and first bandage 2 is provided with the supplementary area of third 7, and the one end that the first bandage 2 was kept away from to the supplementary area of third 7 is provided with nylon knot 6, the junction of connecting band 2 and second bandage 3 is provided with the supplementary area of fourth 8, and the one end that the second bandage 3 was kept away from to the supplementary area of fourth 8 is provided with nylon knot 6.
The upper surfaces of the third auxiliary belt 7 and the ground four auxiliary belts 8 are respectively provided with a magic hook 9 at intervals.
The connecting band 1, the first binding band 2 and the second binding band 3 are all of a multi-layer structure and are formed by compounding by adopting an ultrasonic vibration melting-pressing method.
The multi-layer structure comprises a first textile layer 1-1, an intermediate layer 1-2 and a second textile layer 1-3, wherein the first textile layer 1-1 is made of blended cloth of nylon fibers and polyester fibers, the intermediate layer 1-2 is made of a foaming polyurethane layer, and the second textile layer 1-3 is made of blended cloth of spandex fibers and polyester fibers.
The compounding method of the multilayer structure comprises the following steps:
step 1, cutting a first textile layer, an intermediate layer and a second textile layer according to the size;
step 2, soaking the first textile layer and the second textile layer into an ethanol water solution for 20min, taking out and tiling;
step 3, the first textile layer and the second textile layer in the step 2 are sequentially paved in a die, the middle layer is arranged between the first textile layer and the second textile layer, then ultrasonic heating and pressurizing reaction is carried out for 2h, constant temperature overturning reaction is carried out for 60min, and new headband material is obtained after cooling;
and 4, performing secondary cutting on the new headband material to obtain the headband.
The volume concentration of ethanol in the ethanol aqueous solution in the step 2 is 75%.
The ultrasonic frequency of the ultrasonic heating and pressurizing reaction in the step 3 is 50kHz, the temperature is 180 ℃, and the pressure is 0.5MPa.
The temperature of the constant temperature overturning reaction in the step 3 is 170 ℃, and the overturning speed is 200r/min.
And (3) punching the new headband material in the step (4) before secondary cutting, so as to ensure that micropores are fully distributed on the upper surface.
Example 3
The utility model provides a micropore ventilation bandeau for face guard, includes connecting band 1, first bandage 2 and second bandage 3, connecting band 1 is convex, and the one end of first bandage 2 is connected to one end, and the one end of second bandage 3 is connected to the other end, the one end port that connecting band 1 was kept away from to first bandage 2 is connected with nylon knot 6, the one end port that connecting band 1 was kept away from to second bandage 3 is provided with nylon knot 6, nylon knot 6 is on the direct hasp face guard, connecting band 1, first bandage 2 and the 3 integrated into one piece of second bandage, the middle section of first bandage 2 is provided with first supplementary area 4, and the one end that first bandage 2 was kept away from to first supplementary area 4 is provided with nylon knot 6, the middle section of second bandage 3 is provided with second supplementary area 5, and the one end that second bandage 3 was kept away from to second supplementary area 5 is provided with nylon knot 6, connecting band 1, first bandage 2, second bandage 3, first supplementary area 4 and second supplementary area 5 upper surface equipartition micropore, and micropore aperture are 0.4mm.
The junction of connecting band 1 and first bandage 2 is provided with the supplementary area of third 7, and the one end that the first bandage 2 was kept away from to the supplementary area of third 7 is provided with nylon knot 6, the junction of connecting band 2 and second bandage 3 is provided with the supplementary area of fourth 8, and the one end that the second bandage 3 was kept away from to the supplementary area of fourth 8 is provided with nylon knot 6.
The upper surfaces of the third auxiliary belt 7 and the ground four auxiliary belts 8 are respectively provided with a magic hook 9 at intervals.
The connecting band 1, the first binding band 2 and the second binding band 3 are all of a multi-layer structure and are formed by compounding by adopting an ultrasonic vibration melting-pressing method.
The multi-layer structure comprises a first textile layer 1-1, an intermediate layer 1-2 and a second textile layer 1-3, wherein the first textile layer 1-1 is made of blended cloth of nylon fibers and polyester fibers, the intermediate layer 1-2 is made of a foaming polyurethane layer, and the second textile layer 1-3 is made of blended cloth of spandex fibers and polyester fibers.
The compounding method of the multilayer structure comprises the following steps:
step 1, cutting a first textile layer, an intermediate layer and a second textile layer according to the size;
step 2, soaking the first textile layer and the second textile layer into an ethanol water solution for 15min, taking out and tiling;
step 3, the first textile layer and the second textile layer in the step 2 are sequentially paved in a die, the middle layer is arranged between the first textile layer and the second textile layer, then ultrasonic heating and pressurizing reaction is carried out for 2h, constant temperature overturning reaction is carried out for 40min, and new headband material is obtained after cooling;
and 4, performing secondary cutting on the new headband material to obtain the headband.
The volume concentration of ethanol in the ethanol aqueous solution in the step 2 is 73%.
The ultrasonic frequency of the ultrasonic heating and pressurizing reaction in the step 3 is 40kHz, the temperature is 175 ℃, and the pressure is 0.4MPa.
The temperature of the constant temperature overturning reaction in the step 3 is 165 ℃, and the overturning speed is 120r/min.
And (3) punching the new headband material in the step (4) before secondary cutting, so as to ensure that micropores are fully distributed on the upper surface.
Performance detection
Comparative example Using the headband mentioned in the background
| Example 1 | Example 2 | Example 3 | Comparative example | |
| Air permeability | Good quality | Good quality | Good quality | Air-impermeable |
| Biocompatibility of | Good quality | Good quality | Good quality | Poor quality |
In summary, the invention has the following advantages:
1. the invention solves the problems of poor ventilation property, harm to human body and the like of the prior headband, and improves the whole ventilation property through the ventilation headband with a micropore structure, thereby preventing the formation of sweat accumulation and greatly improving the comfort.
2. The auxiliary belt can effectively improve good connection effect and stretching effect, can ensure the stability of the mask, can improve the connectivity between the mask and the connection belt, ensures the convenience of using the mask, and can meet various environmental requirements in various using modes.
3. The invention combines three layers of materials into a whole in an ultrasonic hot pressing mode, has good connection firmness, and simultaneously has good air permeability.
4. The invention adopts a constant temperature overturning mode to ensure that the gas converted from ethanol water can flow in the polyurethane on the surface to form a porous structure, thereby improving the air permeability.
5. The invention adopts a punching mode to form uniform and densely distributed micropores on the surface of the headband, thereby ensuring the uniformity of ventilation and heat dissipation and simultaneously ensuring the elastic strength.
It is to be understood that the foregoing detailed description of the invention is merely illustrative of the invention and is not limited to the embodiments of the invention. It will be understood by those of ordinary skill in the art that the present invention may be modified or substituted for elements thereof to achieve the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (7)
1. A microporous breathable headgear for a mask, comprising: the connecting band is arc-shaped, one end of the connecting band is connected with one end of the first band, the other end of the connecting band is connected with one end of the second band, one end port of the connecting band, which is far away from the first band, is connected with nylon buckles, one end port of the connecting band, which is far away from the second band, is provided with nylon buckles, the nylon buckles are directly buckled on the mask, the connecting band, the first band and the second band are integrally formed, the middle section of the first band is provided with a first auxiliary band, one end of the first auxiliary band, which is far away from the first band, is provided with nylon buckles, the middle section of the second band is provided with a second auxiliary band, one end of the second auxiliary band, which is far away from the second band, is provided with nylon buckles, and the surfaces of the connecting band, the first band, the second band, the first auxiliary band and the second auxiliary band are all full of micropores, and the pore diameter is 0.2-0.5mm;
the connecting band, the first binding band and the second binding band are all of a multi-layer structure and are compounded by adopting an ultrasonic vibration melting and pressing method;
the multi-layer structure comprises a first textile layer, an intermediate layer and a second textile layer, wherein the first textile layer is made of blended cloth of nylon fibers and polyester fibers, the intermediate layer is made of a foaming polyurethane layer, and the second textile layer is made of blended cloth of spandex fibers and polyester fibers;
the compounding method of the multilayer structure comprises the following steps:
step 1, cutting a first textile layer, an intermediate layer and a second textile layer according to the size;
step 2, soaking the first textile layer and the second textile layer into an ethanol water solution for 10-20min, taking out and tiling;
step 3, the first textile layer and the second textile layer in the step 2 are sequentially paved in a mould, the middle layer is arranged between the first textile layer and the second textile layer, then ultrasonic heating and pressurizing reaction is carried out for 1-2h, constant temperature overturning reaction is carried out for 20-60min, gas converted from ethanol water can flow in polyurethane to form a porous structure, and new headband material is obtained after cooling;
and 4, performing secondary cutting on the new headband material to obtain the headband.
2. A microporous breathable headgear for a mask according to claim 1, wherein: the junction of connecting band and first bandage is provided with the supplementary area of third, and the one end that first bandage was kept away from to the supplementary area of third is provided with nylon knot, the junction of connecting band and second bandage is provided with the supplementary area of fourth, and the one end that the second bandage was kept away from to the supplementary area of fourth is provided with nylon knot.
3. A microporous breathable headgear for a mask according to claim 2, wherein: and magic hooks are arranged on the surfaces of the third auxiliary belt and the fourth auxiliary belt at intervals.
4. A microporous breathable headgear for a mask according to claim 1, wherein: the volume concentration of the ethanol in the ethanol water solution in the step 2 is 70-75%.
5. A microporous breathable headgear for a mask according to claim 1, wherein: the ultrasonic frequency of the ultrasonic heating and pressurizing reaction in the step 3 is 30-50kHz, the temperature is 170-180 ℃, and the pressure is 0.2-0.5MPa.
6. A microporous breathable headgear for a mask according to claim 1, wherein: the temperature of the constant temperature overturning reaction in the step 3 is 160-170 ℃, and the overturning speed is 50-200r/min.
7. A microporous breathable headgear for a mask according to claim 1, wherein: and (3) punching the new headband material in the step (4) before secondary cutting, so as to ensure that micropores are fully distributed on the upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108939243A (en) | 2018-12-07 |
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