CN109380782A - A kind of cool-down garments - Google Patents
A kind of cool-down garments Download PDFInfo
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- CN109380782A CN109380782A CN201710651436.0A CN201710651436A CN109380782A CN 109380782 A CN109380782 A CN 109380782A CN 201710651436 A CN201710651436 A CN 201710651436A CN 109380782 A CN109380782 A CN 109380782A
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- Prior art keywords
- cool
- layer
- hydrogel
- polyglutamic acid
- down garments
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
- A41D13/0053—Cooled garments
- A41D13/0056—Cooled garments using evaporative effect
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Textile Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The present invention provides a kind of cool-down garments, belong to intelligent macromolecule material field, easy to use without outer for the energy while guaranteeing cooling effect, easy to remove.The cool-down garments include garment body and the cooling block in garment body, and the cooling block includes the one-way wet-guide layer set gradually from inside to outside, hydrogel functional layer, phase-change material layers and Waterproof Breathable layer.Cool-down garments provided by the invention use for the staff of operation under hot environment.
Description
Technical field
The invention belongs to intelligent macromolecule material fields, more particularly, to a kind of cool-down garments.
Background technique
High temperature post staff will receive continuously heat stress when carrying out operation, and heat stress is that human body heat is sudden and violent
The general designation for the series reaction that thermostimulation is generated when dew.After continuously heat stress, personnel will show to fall asleep
Doze off when difficulty, poor sleeping quality, work, body and mental fatigue, sensual thinking confusion, anxiety, anxiety etc., understandability with
Phenomena such as operational capacity decline of other intelligences, working efficiency is substantially reduced, more serious even heatstroke.Simultaneously as
High temperature can generate a large amount of sweat, cause serious sweat odor, and mosquito, germ breed, and easily cause a series of diseases by sweat gland
Disease.
Currently, reply heat stress best bet utilizing works means such as install air-conditioning, reinforce ventilation.But it is certain special
Occasion can not carry out engineering cooling, can only be cooled down using individual protection means, mainly cooling clothes.Wherein, commonly
Cool down clothes, and cool principle mainly leans on air stream to cool down or absorbs moisture and then vapor evaporation endothermic by clothes to reach drop
Temp effect.But due to needing using outside resources or device, in actual application, high-temperature operation crowd is used very
It is inconvenient.
For example, Chinese patent 201420450926.6 discloses a kind of cooling clothes, including the guarantor set gradually from outside to inside
Warm thermal insulation layer, support frame, cooler pan and air-permeable layer, support frame include the vertical of several uniformly distributed cross bars in front and back two sides and connection cross bar
To bridging bar, support frame is equipped with pump, battery and several fans, fan outlet face cooler pan, and cooler pan includes enclosing
It is wound on the spiral tube of air-permeable layer periphery and longitudinal reinforcing rod of spiral tube outer rim rear and front end, spiral tube inner edge is equipped with front and back two
A refrigerant box, refrigerant cassette bottom portion are connected by water inlet pipe and are pumped, and pump connects spiral tube bottom end by outlet pipe.Cooling clothes are using
When need by the equipment auxiliary temperature-reducing such as battery, fan, use inconvenience.
Therefore, it is necessary that a kind of cool-down garments easy to use are designed.
Summary of the invention
In view of this, the present invention is directed to propose a kind of cool-down garments, are not necessarily to actually answering while guaranteeing cooling effect
With in the process by such as pump etc. external sources power supply device, and then solve it is existing cooling take the problems such as inconvenient for use.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of cool-down garments, the cooling block including garment body and in the garment body, the cooling block include
One-way wet-guide layer, hydrogel functional layer, phase-change material layers and the Waterproof Breathable layer set gradually from inside to outside；The hydrogel function
Ergosphere includes two-layer nonwoven basal layer and the polyglutamic acid hydrogel material that is arranged among two-layer nonwoven basal layer.
Further, the polyglutamic acid hydrogel is crosslinking by substrate, ethylene glycol diglycidylether of polyglutamic acid
Agent is made.
Further, the polyglutamic acid hydrogel is polyglutamic acid hydrogel containing nano silver.
Further, the concentration of the polyglutamic acid hydrogel containing nano silver is 1-100mg/L.
Further, the concentration of the polyglutamic acid hydrogel containing nano silver is 10-50mg/L.
Further, the hydrogel functional layer with a thickness of 5-15mm, wherein the polyglutamic acid hydrogel material
With a thickness of 3-13mm.
Further, the nonwoven fabric base bottom is by one or more of terylene, nylon, polypropylene and polypropylene fibre
Blend is constituted.
Further, the one-way wet-guide layer is made of dacron, and the dacron is using polyglutamic acid as arrangement
Agent carries out the dacron obtained after foam finishing to dacron.
Further, the Waterproof Breathable layer is made of thermoplastic polyurethane film.
Further, the outer surface of the garment body is equipped at least one pocket for being used to place the cooling block, institute
The opening for stating pocket is bonded with velcro.
Compared with the existing technology, cool-down garments of the present invention have the advantage that
(1) cool-down garments proposed by the present invention are cooled down using the cooling block for including multilayered structure, the cooling block structure
Design so that cooling clothes need not it is outer for the energy, it is easy to use；Water enters hydrogel functional layer from one-way wet-guide layer to carry out again
Reuse can be realized in water storage；The sweat that human body generates when high temperature can also be passed by one-way wet-guide layer to hydrogel functional layer
It passs, thus with moisture by sweat evaporation；Hydrogel functional layer uses polyglutamic acid hydrogel material, passes through polyglutamic acid hydrogel
Cooling is realized in the evaporation of the moisture itself contained, will not cause adverse consequences, while polyglutamic acid hydrogel has degradability,
With certain value of environmental protection.
Water enters hydrogel functional layer from one-way wet-guide layer, and the polyglutamic acid hydrogel in hydrogel functional layer has fine
Water retention property, water can be stored, when human body temperature is higher, the evaporation of moisture in hydrogel siphons away the intracorporal heat of body and realizes
Cooling, while phase-change material layers can be realized further cooling, Waterproof Breathable layer will be mainly in hydrogel in cooling block
Water is lockked to prevent from leaking outside, while passes through the vapor after evaporation.
(2) nano silver is added in cool-down garments polyglutamic acid hydrogel proposed by the present invention, there is certain bactericidal effect.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of cool-down garments described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of cooling block in the embodiment of the present invention.
Description of symbols:
1- garment body 1；2- cooling block；3- one-way wet-guide layer；4- hydrogel functional layer；5- phase-change material layers；6- waterproof
Soak layer.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-2, the invention proposes a kind of cool-down garments, including garment body 1 and in garment body 1
Cooling block 2, cooling block 2 include one-way wet-guide layer 3, hydrogel functional layer 4,5 and of phase-change material layers set gradually from inside to outside
Waterproof Breathable layer 6；Hydrogel functional layer 4 includes two-layer nonwoven basal layer and is arranged in poly- among two-layer nonwoven basal layer
Glutamic acid hydrogel material.
Cool-down garments provided in an embodiment of the present invention, the cooling block 2 including garment body 1 and in garment body 1, with
On the basis of garment body 1, which includes the one-way wet-guide layer 3 set gradually from inside to outside, hydrogel functional layer 4, phase transformation
Material layer 5 and Waterproof Breathable layer 6.It wherein, is one-way wet-guide layer 3, the setting that outermost layer is Waterproof Breathable layer 6 by innermost layer,
Water source can be limited in cooling block 2, water evaporation absorbs heat when being in hot environment, reduces temperature.Meanwhile hydrogel function
The complementation of layer 4 and phase-change material layers 5 further improves the cooling effect of cooling clothes.
Moreover, in cool-down garments provided in an embodiment of the present invention, one-way wet-guide layer 3, hydrogel functional layer 4, phase-change material
Layer 5 and Waterproof Breathable layer 6 are set gradually from inside to outside, in this way, the design of 2 different layers of cooling block, when cooling block 2 is reused
When, it can be by cooling block 2 into the water, water passes to hydrogel functional layer 4 from one-way wet-guide layer 3 and realizes water storage, in this way, reusing
When hydrogel functional layer 4 in water can be the fresh water filled into, to be re-used for that also there is preferable cooling when cooling
Effect can be reused for a long time.With in the prior art using gas such as air or liquid such as water as the equipment of cooling medium compared with,
The circulation for maintaining cooling medium by continuously energy is provided outside battery, pump etc. for energy source device is not needed, thus
It is easy to use, it is especially easy to use in the case where a wide range of mobile.
In addition to this, since in cool-down garments provided in an embodiment of the present invention, innermost layer is the setting of one-way wet-guide layer 3,
Can also by staff under high temperature environment operation when the sebum that generates siphon away discharge in time, so that human body is kept dry and comfortable sense
Feel.And existing cooling clothes do not consider this point at present, such as in existing cooling clothes, waterproof ventilative layer is located at internal layer,
Cooling is realized to ventilate.
Moreover, hydrogel functional layer 4 includes two-layer nonwoven basal layer and is arranged in two-layer nonwoven basal layer
Between polyglutamic acid hydrogel material.Polyglutamic acid (γ-PGA) hydrogel has good water absorbing properties and water retention property, when
When the higher water evaporation of temperature, the water in polyglutamic acid hydrogel has good releasing effect again, can evaporate and absorb in human body
Heat, to realize cooling.Cooling is realized in the evaporation of the moisture contained by polyglutamic acid hydrogel itself, thin without adding
The stimulating components such as lotus, borneol, adverse consequences will not be caused by wearing to be applied to cool down.In addition, polyglutamic acid hydrogel has
There is degradability, there is certain value of environmental protection.
In an embodiment of the present invention, nonwoven fabric base bottom can by one of terylene, nylon, polypropylene and polypropylene fibre or
Two or more blends is constituted.Convenient for the evaporation of the moisture in hydrogel functional layer 4.
In an embodiment of the present invention, polyglutamic acid hydrogel material can contract by substrate, ethylene glycol two of polyglutamic acid
Water glycerin ether is made for crosslinking agent.
Further, polyglutamic acid hydrogel is polyglutamic acid containing nano silver (Ag- γ-PGA) hydrogel, so that hydrogel
Functional layer 4 has certain bactericidal effect, sterilizes to the sweat etc. entered in cooling block 2, so that cooling clothes are not likely to produce
Peculiar smell.
In a preferred embodiment, the polyglutamic acid hydrogel containing nano silver the preparation method is as follows:
First γ-the PGA that purity is 92.2% is added in deionized water, γ-PGA is stirred well to and all dissolves, be added
HCl solution adjusts pH to 4, stirs evenly, and crosslinking agent ethylene glycol diglycidylether is added, wherein ethylene glycol diglycidyl
Ether and γ-PGA mass ratio are 40%, and the Nano silver solution that different volumes concentration is 2g/L is added, is configured to nano silver gel, fills
After dividing stirring, it is placed in 50 DEG C of thermostat water bath and reacts 20h, be cross-linked to form Ag- γ-PGA hydrogel.
In an embodiment of the present invention, hydrogel functional layer 4 with a thickness of 5-15mm, wherein polyglutamic acid hydrogel material
Material with a thickness of 3-13mm.For example, the thickness of hydrogel functional layer 4 can be 14mm, wherein polyglutamic acid hydrogel material
Thickness can be 13,12 or 10mm.Polyglutamic acid hydrogel material accounts for the overwhelming majority of hydrogel functional layer 4, is conducive to water-setting
Glue can preferably play water retaining function.
In still another embodiment of the process, one-way wet-guide layer 3 can be dacron, and dacron is to be with polyglutamic acid
Finishing agent carries out the dacron obtained after foam finishing to dacron.
In a preferred embodiment, carrying out foam finishing to dacron may include steps of:
γ-PGA aqueous solution the 50g for being 8% by concentration, is separately added into lauryl sodium sulfate 3g/L and carboxymethyl cellulose
Sodium 1g/L, stirring and dissolving, electric mixer stir 1min, generate foam, and foam is coated on the outside of dacron, dacron is made
Different liquid carrying rates are obtained, open and flat is placed on preservative film, and is wrapped up with preservative film, is put into 50 DEG C, 5h is reacted in baking oven, removes guarantor
Fresh film, 50 DEG C of drying fabrics.While there is unidirectional moisture conducting function by the dacron that polyglutamic acid arranges, also have certain
The value of environmental protection.
In still another embodiment of the process, Waterproof Breathable layer 6 can be thermoplastic polyurethane film.Thermoplastic polyurethane is thin
Vapor preferably can be transmitted to the external world by film, and moisture is stayed in heat insulating block 2.
In still another embodiment of the process, the phase-change material being applicable in phase-change material layers 5 can be paraffin.It can be further
Improve cooling effect.
In still another embodiment of the process, the material of garment body 1 can be moisture permeable material, can make sebum clothes
Ontology is to enter hydrogel functional layer 4 by one-way wet-guide layer 3, with the evaporation together in polyglutamic acid hydrogel.
In an embodiment of the present invention, the outer surface of garment body 1 is equipped at least one mouth for being used to place cooling block 2
Bag, cooling block 2 are located in pocket, and the opening of pocket is bonded with velcro.
Specifically, the number of pocket can be two, four, six, eight etc..The size of pocket and the ruler of cooling block 2
It is very little to match.Clothes can take out cooling block 2 while being cleaned, into the water by cooling block 2, the water-setting of cooling block 2
Glue functional layer 4 can re-start water suction, then be put into cooling block 2 in clean pocket, be re-used for cooling down.
In still another embodiment of the process, cooling block 2, which can according to need, is set as cuboid-type, for example, cooling block 2
A length of 6-8cm, width 6-8cm.Cooling block 2 is unsuitable big, is unfavorable for being through in cooling clothes, also should not be too small, and cooling effect is bad.
2 size of cooling block is suitable, is conveniently placed in pocket, the cooling block 2 of different number can be selected as needed, to realize difference
The cooling of degree.
In use, the immersion of cooling block 2 is taken out after 1-10 minutes in water, the water on 6 surface of Waterproof Breathable layer is dried, is put into
In the pocket of garment body 1.
The using effect for the cool-down garments that embodiment provides in order to further illustrate the present invention, provided hereinafter specific realities
Data are tested to be illustrated.
Table 1 is the test result of the water absorbing properties of hydrogel functional layer 4 after reusing to cooling block 2.
Table 1
| Function of circular water absorption number | Water absorption | Function of circular water absorption number | Water absorption |
| 1 | 18.25651 | 14 | 18.59295 |
| 2 | 18.13270 | 15 | 18.76345 |
| 3 | 18.16258 | 16 | 17.61724 |
| 4 | 17.88659 | 17 | 18.69424 |
| 5 | 18.02086 | 18 | 18.41622 |
| 6 | 18.55124 | 19 | 17.85666 |
| 7 | 18.14719 | 20 | 18.43465 |
| 8 | 18.50728 | 21 | 15.58824 |
| 9 | 18.48583 | 22 | 15.85802 |
| 10 | 18.27127 | 23 | 15.42971 |
| 11 | 18.4173 | 24 | 16.18844 |
| 12 | 18.39125 | 25 | 15.62312 |
| 13 | 18.01462 |
Data as shown in Table 1 can be seen that polyglutamic acid hydrogel provided in an embodiment of the present invention to be made in multiple circulation
With rear, higher Water absorption is still maintained, preferable Water-saving effect is played.
Table 2 is the experimental result that cooling effect test is taken to cooling.
Table 2
| Time (h) | Outdoor temperature (DEG C) | Temperature (DEG C) on the inside of garment body |
| 1 | 43 | 28 |
| 2 | 42 | 27 |
| 3 | 41 | 26 |
| 4 | 40 | 28 |
By experiment, under conditions of environment temperature is 40-43 DEG C, product of the present invention can reduce shell temperature to 26-
28 DEG C, and the duration is up to 3 hours or more, meets the requirement in outdoor high temperature working populations working time on the half.
Table 3 is the experimental result that cooling takes cooling effect test after being used for multiple times.
Table 3
| Number | Outdoor temperature (DEG C) | Temperature (DEG C) on the inside of garment body |
| 1 | 39 | 25 |
| 2 | 40 | 26 |
| 3 | 41 | 27 |
| 4 | 39 | 28 |
It can be seen that cool-down garments provided in an embodiment of the present invention in conjunction with the data of table 2 and table 3, after a number of uses still
So there is preferable cooling effect.As it can be seen that cool-down garments provided in an embodiment of the present invention and needs are external by pump, battery etc.
The cooling clothes of device are compared, and are used multiple times, not only easy to use and low in cost.
Table 4 is the experimental result that cooling clothes test Escherichia coli bactericidal effect.
Table 4
| Nanometer silver concentration (mg/L) | 1 | 5 | 10 | 15 | 20 |
| Bacteriostasis rate (%) | 60.59 | 99.99 | 100 | 100 | 100 |
Table 5 is the experimental result that cooling clothes test staphylococcus aureus bactericidal effect.
Table 5
| Nanometer silver concentration (mg/L) | 1 | 5 | 10 | 15 | 20 |
| Bacteriostasis rate (%) | 99.87 | 99.99 | 100 | 100 | 100 |
It can be obtained by table 4 and table 5, Ag- γ-PGA hydrogel sterilizes Escherichia coli and staphylococcus aureus in cooling clothes
The experimental result of measure of merit, as can be seen from Figure, when nanometer silver concentration is 20mg/L, bacteriostasis rate is up to 100%.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of cool-down garments, it is characterised in that: including garment body (1) and the cooling block being set on the garment body (1)
(2), the cooling block (2) includes the one-way wet-guide layer (3) set gradually from inside to outside, hydrogel functional layer (4), phase-change material
Layer (5) and Waterproof Breathable layer (6)；The hydrogel functional layer (4) includes two-layer nonwoven basal layer and is arranged in two layers of nonwoven
Polyglutamic acid hydrogel material among cloth basal layer.
2. cool-down garments according to claim 1, it is characterised in that: the polyglutamic acid hydrogel by being with polyglutamic acid
Substrate, ethylene glycol diglycidylether are made for crosslinking agent.
3. cool-down garments according to claim 2, it is characterised in that: the polyglutamic acid hydrogel is containing the poly- paddy of nano silver
Propylhomoserin hydrogel.
4. cool-down garments according to claim 3, it is characterised in that: the concentration of the polyglutamic acid hydrogel containing nano silver
For 1-100mg/L.
5. cool-down garments according to claim 1, it is characterised in that: the hydrogel functional layer (4) with a thickness of 5-
15mm, wherein the polyglutamic acid hydrogel material with a thickness of 3-13mm.
6. cool-down garments according to claim 1, it is characterised in that: the nonwoven fabric base bottom is by terylene, nylon, poly- third
The blend of one or more of alkene and polypropylene fibre is constituted.
7. cool-down garments according to claim 1, it is characterised in that: the one-way wet-guide layer (3) is made of dacron,
The dacron is that the dacron obtained after foam finishing is carried out to dacron using polyglutamic acid as finishing agent.
8. cool-down garments according to claim 1, it is characterised in that: the Waterproof Breathable layer (6) is by thermoplastic polyurethane
Film is constituted.
9. cool-down garments according to claim 1-8, it is characterised in that: the outer surface of the garment body (1)
It is used to place the pocket of the cooling block (2) equipped at least one, the opening of the pocket is bonded with velcro.
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| CN201710651436.0A CN109380782A (en) | 2017-08-02 | 2017-08-02 | A kind of cool-down garments |
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| CN201710651436.0A CN109380782A (en) | 2017-08-02 | 2017-08-02 | A kind of cool-down garments |
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| CN101891954A (en) * | 2010-06-23 | 2010-11-24 | 南开大学 | Method for preparing polyglutamic acid hydrogel |
| CN101946987A (en) * | 2010-09-15 | 2011-01-19 | 中国纺织工程学会 | Sunstroke-preventing and cooling clothing used outdoors in summer |
| CN102926209A (en) * | 2012-11-16 | 2013-02-13 | 天津工业大学 | Method for finishing dacron by gamma-polyglutamic acid hydrogel |
| CN103611184A (en) * | 2013-11-27 | 2014-03-05 | 长春吉原生物科技有限公司 | Hydrogel of composite semipermeable membrane and preparation method thereof |
| CN205143556U (en) * | 2015-11-10 | 2016-04-13 | 公安部第一研究所 | Heatstroke prevention cooling suit |
| CN106263128A (en) * | 2016-08-30 | 2017-01-04 | 西安科技大学 | A kind of conduction cooling cools down clothes uniformly |
| CN106421869A (en) * | 2016-10-27 | 2017-02-22 | 长春吉原生物科技有限公司 | Sodium heparin loaded hydrogel slow-release plaster |
| CN207653619U (en) * | 2017-08-02 | 2018-07-27 | 天津工业大学 | A kind of cool-down garments |
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2017
- 2017-08-02 CN CN201710651436.0A patent/CN109380782A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030208831A1 (en) * | 2002-05-07 | 2003-11-13 | Lazar Robert P. | Cooling garment made of water-resistant fabric |
| CN1695507A (en) * | 2004-05-12 | 2005-11-16 | 香港理工大学 | Style transferable intelligent refrigeration dress |
| CN101891954A (en) * | 2010-06-23 | 2010-11-24 | 南开大学 | Method for preparing polyglutamic acid hydrogel |
| CN101946987A (en) * | 2010-09-15 | 2011-01-19 | 中国纺织工程学会 | Sunstroke-preventing and cooling clothing used outdoors in summer |
| CN102926209A (en) * | 2012-11-16 | 2013-02-13 | 天津工业大学 | Method for finishing dacron by gamma-polyglutamic acid hydrogel |
| CN103611184A (en) * | 2013-11-27 | 2014-03-05 | 长春吉原生物科技有限公司 | Hydrogel of composite semipermeable membrane and preparation method thereof |
| CN205143556U (en) * | 2015-11-10 | 2016-04-13 | 公安部第一研究所 | Heatstroke prevention cooling suit |
| CN106263128A (en) * | 2016-08-30 | 2017-01-04 | 西安科技大学 | A kind of conduction cooling cools down clothes uniformly |
| CN106421869A (en) * | 2016-10-27 | 2017-02-22 | 长春吉原生物科技有限公司 | Sodium heparin loaded hydrogel slow-release plaster |
| CN207653619U (en) * | 2017-08-02 | 2018-07-27 | 天津工业大学 | A kind of cool-down garments |
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