CN211763928U - Double-sided grid aerogel heat insulation interlayer for light and good-breathability clothes - Google Patents
Double-sided grid aerogel heat insulation interlayer for light and good-breathability clothes Download PDFInfo
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- CN211763928U CN211763928U CN201922274274.0U CN201922274274U CN211763928U CN 211763928 U CN211763928 U CN 211763928U CN 201922274274 U CN201922274274 U CN 201922274274U CN 211763928 U CN211763928 U CN 211763928U
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Abstract
The application belongs to the technical field of thermal-insulated structure, concretely relates to two-sided grid aerogel thermal-insulated intermediate layer is used to slim and graceful, the clothing that the gas permeability is good. The utility model discloses a double-sided grid aerogel heat insulation interlayer, which comprises a skin-friendly layer 1, a breathable layer 2 and a heat insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
Description
Technical Field
The application belongs to the technical field of thermal-insulated structure, concretely relates to two-sided grid aerogel thermal-insulated intermediate layer is used to slim and graceful, the clothing that the gas permeability is good.
Background
For the garment materials, both thermal insulation and thermal stability are essential conditions that must be met. For thermal stability, the dimensional stability and material morphology stability of the fabric at different temperatures and times are required, and the high-temperature thermal stability can be achieved by adding LEVLAR and other fibers. For thermal insulation, the purpose of keeping warm and insulating heat can be achieved by increasing the grammage of the fabric or adding a fabric layer to the composite fabric, but this makes the originally light weight garment heavier and more complicated.
The fabric of the heat-insulating protective clothing generally used at present is generally divided into four layers, and specifically comprises the following components in percentage by weight: outermost layer: the 3A woven fabric woven by the 3A yarns has good thermal stability, flame retardance and static resistance, the gram weight is generally within the range of 180 plus materials and 250 grams, but the heat insulation and heat preservation effects are poor; a second layer: a 70-100 g/square meter needled non-woven fabric layer made of aramid 1313 is used for strengthening heat insulation and warmth retention; and a third layer: the waterproof and oil-repellent PTFE fiber flame-retardant non-woven fabric has the purposes of water repellency and oil repellency; a fourth layer: the inner layer is aramid 1313 and flame-retardant viscose blended woven fabric which is a comfortable layer, and the gram weight of the woven fabric is 100-150 g/square meter. For the fabric of the flame-retardant heat-insulation protective clothing, the four-layer structure respectively plays roles of flame retardance, static resistance, thermal stability, heat insulation, warm keeping, water and oil repellency and skin comfort.
However, the fabric of the flame-retardant heat-insulation protective clothing has the defects of being too heavy and too bulky in the actual use process, and is extremely unnatural for a user to wear and has strong weight oppression; in addition, for some burning living environments or working environments, such as deserts and hot-spot areas, people often need heat-insulating clothes with better performance to avoid skin burns, but the heavy clothes can bring serious stuffiness feeling to people and have very low comfort level.
Therefore, it is necessary to develop a breathable, light and thermal insulating interlayer which can adapt to different conditions.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a first aspect of the present invention provides a double-sided grid aerogel thermal insulation interlayer, which includes a skin-friendly layer 1, a breathable layer 2 and a thermal insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
As a preferred technical solution, the skin-friendly layer 1 is woven by warp and weft; the warp is a blended yarn made by blending cotton fibers and hemp fibers, and is named as cotton-hemp blended yarn; the weft yarn is a blended yarn prepared by blending milk protein fibers and viscose fibers and is named as the milk protein-viscose blended yarn.
As a preferable technical scheme, a plurality of through holes are uniformly formed in the surface of the skin-friendly layer 1, the aperture of each through hole is 1-3mm, and the center distance between every two adjacent through holes is 3-4 times of the aperture of each through hole.
As a preferable technical solution, the thickness of each of the first breathable layer 21 and the second breathable layer 22 is 0.15mm to 0.25 mm.
As a preferable technical solution, the first breathable layer 21 and the second breathable layer 22 are both water-based acrylate film layers.
As a preferable technical solution, the first breathable layer 21 and the second breathable layer 22 are both provided with a net structure.
As a preferable technical solution, the mesh shape of the mesh structure is one of a diamond shape, a circular shape and a square shape.
As a preferable technical solution, the thermal insulation layer 3 is a silica aerogel layer.
As a preferable embodiment, the thermal insulation layer 3 includes a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 is in contact with the first air-permeable layer 21, and the third silica aerogel layer 33 is in contact with the second air-permeable layer 22.
As a preferable technical scheme, the first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 1.0-2.4 μm, and the content of the micro-nano fiber aerogel is 50-60 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 0.5-1.0 μm, and the content of the boron nitride aerogel is 70-82 wt%; the third silica aerogel layer 33 is doped with graphene fibers, the length of the graphene fibers is 1.0-2mm, and the content of the graphene fibers is 10-20 wt%.
Has the advantages that: the double-sided grid aerogel heat insulation interlayer comprises a skin-friendly layer, a breathable layer and a heat insulation layer, wherein the heat insulation layer is a silica aerogel layer, and different silica aerogel layers are doped with micro-nano fiber aerogel, boron nitride aerogel and graphene fibers with different contents; the prepared heat insulation interlayer is light and breathable; and the fabric has extremely strong heat insulation performance, can be applied to clothes in common environment and severe environment (desert and tropical zone), and can prevent skin from being burnt. The third silica aerogel layer in the double-sided grid aerogel heat insulation interlayer is closer to a human body, can absorb moisture, is breathable, can inhibit bacteria for a long time, and has the far infrared effect; at a lower temperature, the silica aerogel layer on the outer layer can have a good heat insulation effect; for a high-temperature environment, the middle three silicon dioxide layers are mutually cooperated, and as the radiation energy is mainly concentrated near short wave under the high-temperature environment, the boron nitride aerogel doped in the silicon dioxide aerogel layer can mainly play a role in heat insulation. Meanwhile, the micro-nano fiber aerogel, the boron nitride aerogel and the graphene fiber doped with the silicon dioxide aerogel layer have excellent mechanical property and ultraviolet absorption property, so that the ageing resistance of the clothes in a high-temperature severe environment can be improved, and the service life of the clothes can be prolonged.
Drawings
Figure 1 is the utility model discloses two-sided grid aerogel heat insulating interlayer schematic diagram.
Description of the symbols: 1-a skin-friendly layer; 2-a breathable layer; 3-a heat insulation layer; 21-a first gas-permeable layer; 22-a second gas-permeable layer; 31-a first silica aerogel layer; 32-a second silica aerogel layer; 33-third silica aerogel layer.
Detailed Description
In order to solve the problems, the utility model provides a double-sided grid aerogel heat insulation interlayer, which comprises a skin-friendly layer 1, a breathable layer 2 and a heat insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
Skin-friendly layer
As a preferred embodiment, the skin-friendly layer 1 is woven by warp yarns and weft yarns, wherein the warp yarns are blended yarns formed by blending cotton fibers and hemp fibers; the weft yarn is blended yarn formed by blending milk protein fibers and viscose fibers.
As a preferred embodiment, the weft yarns comprise a first weft yarn, a second weft yarn; the warp yarns comprise a first warp yarn, a second warp yarn and a third warp yarn; the first warp yarn sequentially passes through the upper part of the first weft yarn and the lower part of the second weft yarn; the second warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns; and the third warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns.
The cotton fiber has good strength, certain friction strength and strong hygroscopicity, can quickly absorb moisture, and is quite quick to dry. The cotton fiber can be dried quickly, and can generate cool feeling, so that people feel comfortable when wearing the fabric in summer heat climate environment. Meanwhile, the cotton fiber product has excellent washing performance and no phenomena of static electricity, pilling and the like.
The hemp fiber is made of hemp through degumming, the cross section of the hemp fiber has various irregular shapes and is complex, the fiber section is hollow, the middle pore is large, and the fiber section occupies 1/2-1/3 of the cross section area. The hemp fiber cell wall has cracks and small holes, is relatively straight in the longitudinal direction, has transverse joints and a plurality of cracks and small holes, and is communicated with the middle cavity through capillary channels, and the hemp fiber has more capillary channels by the structure, so that the fabric has excellent moisture absorption and air permeability.
The milk protein fiber is prepared by taking milk as a basic raw material, and dehydrating, deoiling, degreasing, separating and purifying the milk to obtain the milk casein with a linear macromolecular structure; then blending, crosslinking and grafting the polyacrylonitrile and polyacrylonitrile by adopting a high-tech means to prepare spinning solution; finally, the fiber is formed by wet spinning, fiber forming, solidification, drafting, drying, curling, shaping and short fiber cutting. The milk protein fiber has the same or better softness and skin-friendly property as or than cashmere; good air permeability and moisture permeability and good body refreshing effect; the heat retention is close to cashmere, and the heat retention is good; the wear resistance, pilling resistance, colorability and strength of the milk protein fiber are all superior to those of cashmere; because the milk protein contains amino acid, the skin can not reject the fabric, which is the same as one layer of human skin, and has a skin care effect.
The application viscose fiber's basic composition is the cellulose, viscose fiber's cross-section is zigzag skin-core structure, and it is horizontal to have the ditch vertically straight. The fiber-rich non-skin-core structure has a circular section. The viscose has good hygroscopicity.
As a preferable embodiment, a plurality of through holes are uniformly arranged on the surface of the skin-friendly layer, the aperture of each through hole is 1-3mm, and the distance between the centers of two adjacent through holes is 3-4 times of the aperture of each through hole.
Breathable layer
In a preferred embodiment, the first and second air- permeable layers 21 and 22 each have a thickness of 0.15mm to 0.25 mm.
In a preferred embodiment, the first gas-permeable layer 21 and the second gas-permeable layer 22 are both water-based acrylate film layers.
As a preferred embodiment, the first breathable layer 21 and the second breathable layer 22 are each provided with a mesh structure;
preferably, the mesh shape of the mesh structure is one of diamond, circle and square.
More preferably, the mesh shape of the mesh structure is a rhombus, and the side length of each rhombus is 1-4 cm.
More preferably, the mesh shape of the mesh structure is a circle, and the diameter of the circle is 2-4 cm.
More preferably, the mesh shape of the mesh structure is a square, and the side length of the square is 1-4 cm.
Thermal insulation layer
As a preferred embodiment, the thermal insulation layer 3 is a silica aerogel layer.
In a preferred embodiment, the thermal insulation layer 3 comprises a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 being in contact with the first gas-permeable layer 21, and the third silica aerogel layer 33 being in contact with the first gas-permeable layer 22.
In a preferred embodiment, the first silica aerogel layer 31 has a thickness of 0.05 to 0.1mm, the second silica aerogel layer 32 has a thickness of 0.1 to 0.2mm, and the third silica aerogel layer 33 has a thickness of 0.1 to 0.2 mm.
The first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 1.0-2.4 μm, and the content of the micro-nano fiber aerogel is 50-60 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 0.5-1.0 μm, and the content of the boron nitride aerogel is 70-82 wt%; the third silica aerogel layer 33 is doped with graphene fibers, the length of the graphene fibers is 1.0-2mm, and the content of the graphene fibers is 10-20 wt%.
Although the silica aerogel is solid, the content of the silica aerogel is over 90 percent of air, and the appearance of the silica aerogel presents light blue and semitransparentThe porous silica aerogel is a nanoscale porous material which is formed by combining nanoscale silica particles, has a three-dimensional network structure and a controllable structure, the pore diameter of the silica aerogel is mostly larger than 2nm, the porosity is 80-99.8%, and the inside of the silica aerogel has a developed pore structure, so that the specific surface area of the silica aerogel is very high (up to 1000 m)2G) and has extremely low density (1-500 kg/cm) because the gaps are filled with air3) And a lower thermal conductivity than air.
In the application, the boron nitride aerogel is formed by mutual winding and overlapping of ultrathin, large length-diameter ratio and porous strip-shaped nano structures, and shows ultralight (about 15mg cm)-3) Thermal insulation (20mW/mK), high specific surface area and excellent mechanical properties, and the material performance is not lost at high-temperature impact strength.
Cellulose is a linear chain structure formed by cyclic glucose molecules and assumes a flat ribbon-like conformation. The repeating unit is two glucosides ((C)6H10O5) n; 10000 to 15000, where n depends on the raw material of the cellulose), by C of one of the glucosides1C linked to O of another glucoside to adjacent sugar ring by covalent bond4Formed by the connection of the above (1-4). Adjacent sugar ring molecules form hydrogen bonds with oxygen molecules through hydroxyl groups to form a stable chain structure, and a cellulose chain with a linear structure is formed. During cellulose synthesis, multiple cellulose chains are brought together by van der waals forces and hydrogen bonding interactions to form a basic fibril structure, with the cellulose fibrils further aggregating to form larger microfibril structures.
The diameter of the micro-nanofiber aerogel ranges from a few nanometers to tens of nanometers, and the length of the micro-nanofiber aerogel ranges from hundreds of nanometers to a few micrometers. Micro-nano fiber aerogel can block the heat transfer that arouses by heat-conduction, thermal convection, heat radiation, this application moreover micro-nano fiber aerogel has stronger mechanical strength, forms the support that has sufficient intensity, and the aerogel structure is firm.
The graphene fiber has excellent mechanical properties; the reason is that the graphene fibers are orderly stacked layer by layer in the preparation process, so that the van der Waals force between layers is enhanced; secondly, the crosslinking action between the graphene sheet layer and the compound in the fiber; the reduced graphene sheet has wrinkles, and mutual friction force between the wrinkles is caused by the misalignment between the lower layer wrinkles and the upper layer wrinkles in the stretching process.
The graphene fiber is moisture-absorbing and breathable, is antibacterial for a long time, has a far infrared effect, and can be used for far infrared rays penetrating into subcutaneous tissues of a human body, so that the temperature of subcutaneous deep skin is increased, capillaries are expanded, blood circulation is promoted, enzymes are reactivated, blood and cell tissue metabolism is enhanced, young cells are recovered, and anemia can be improved. Far infrared rays expand microvessels, promote blood circulation to lower hypertension, and improve hypotension symptoms.
The double-sided grid aerogel heat insulation interlayer comprises a skin-friendly layer, a breathable layer and a heat insulation layer, wherein the heat insulation layer is a silica aerogel layer, and different silica aerogel layers are doped with micro-nano fiber aerogel, boron nitride aerogel and graphene fibers with different contents; the prepared heat insulation interlayer is light and breathable; and the fabric has extremely strong heat insulation performance, can be applied to clothes in common environment and severe environment (desert and tropical zone), and can prevent skin from being burnt. The third silica aerogel layer in the double-sided grid aerogel heat insulation interlayer is closer to a human body, can absorb moisture, is breathable, can inhibit bacteria for a long time, and has the far infrared effect; at a lower temperature, the silica aerogel layer on the outer layer can have a good heat insulation effect; for a high-temperature environment, the middle three silicon dioxide layers are mutually cooperated, and as the radiation energy is mainly concentrated near short wave under the high-temperature environment, the boron nitride aerogel doped in the silicon dioxide aerogel layer can mainly play a role in heat insulation. Meanwhile, the micro-nano fiber aerogel, the boron nitride aerogel and the graphene fiber doped with the silicon dioxide aerogel layer have excellent mechanical property and ultraviolet absorption property, so that the ageing resistance of the clothes in a high-temperature severe environment can be improved, and the service life of the clothes can be prolonged.
The skin-friendly layer, the first breathable layer, the second breathable layer, the first silica aerogel layer, the second silica aerogel layer and the third silica aerogel layer are adhered together through adhesive.
The present invention will be described in detail with reference to the following examples. It is necessary to point out here that the following examples are only used for further illustration of the present invention, and should not be interpreted as limiting the scope of the present invention, and that the skilled person in this field can make some insubstantial modifications and adjustments according to the above-mentioned contents of the present invention, and still fall within the scope of the present invention.
In addition, the starting materials used are all commercially available, unless otherwise specified.
Examples
Example 1
As shown in fig. 1, a double-sided grid aerogel thermal insulation interlayer comprises a skin-friendly layer 1, a breathable layer 2 and a thermal insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
The skin-friendly layer 1 is formed by weaving warp yarns and weft yarns, wherein the warp yarns are blended yarns formed by blending cotton fibers and hemp fibers; the weft yarn is blended yarn formed by blending milk protein fibers and viscose fibers.
The surface of the skin-friendly layer is uniformly provided with a plurality of through holes, the aperture of each through hole is 1mm, and the central distance between every two adjacent through holes is 4 times of the aperture of each through hole.
The weft yarns comprise a first weft yarn and a second weft yarn; the warp yarns comprise a first warp yarn, a second warp yarn and a third warp yarn; the first warp yarn sequentially passes through the upper part of the first weft yarn and the lower part of the second weft yarn; the second warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns; and the third warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns.
The first breathable layer 21 and the second breathable layer 22 both have a thickness of 0.15 mm.
The first breathable layer 21 and the second breathable layer 22 are both water-based acrylate film layers.
The first breathable layer 21 and the second breathable layer 22 are both provided with a net structure; the mesh shape of the net-shaped structure is a rhombus, and the side length of the rhombus is 1 cm.
The heat insulation layer 3 is a silica aerogel layer. The thermal insulation layer 3 comprises a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 being in contact with the first gas permeable layer 21, and the third silica aerogel layer 33 being in contact with the second gas permeable layer 22.
In a preferred embodiment, the first silica aerogel layer 31 has a thickness of 0.05mm, the second silica aerogel layer 32 has a thickness of 0.1mm, and the third silica aerogel layer 33 has a thickness of 0.1 mm.
The first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 1.0 μm, and the content of the micro-nano fiber aerogel is 50 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 0.5 μm, and the content of the boron nitride aerogel is 70 wt%; the third silica aerogel layer 33 is doped with graphene fibers, and the length of the graphene fibers is 1.0mm, and the content of the graphene fibers is 10 wt%.
The skin-friendly layer, the first breathable layer, the second breathable layer, the first silica aerogel layer, the second silica aerogel layer and the third silica aerogel layer are adhered together through adhesive.
Example 2
A double-sided grid aerogel heat insulation interlayer comprises a skin-friendly layer 1, a breathable layer 2 and a heat insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
The skin-friendly layer 1 is formed by weaving warp yarns and weft yarns, wherein the warp yarns are blended yarns formed by blending cotton fibers and hemp fibers; the weft yarn is blended yarn formed by blending milk protein fibers and viscose fibers.
The surface of the skin-friendly layer is uniformly provided with a plurality of through holes, the aperture of each through hole is 3mm, and the central distance between every two adjacent through holes is 3 times of the aperture of each through hole.
The weft yarns comprise a first weft yarn and a second weft yarn; the warp yarns comprise a first warp yarn, a second warp yarn and a third warp yarn; the first warp yarn sequentially passes through the upper part of the first weft yarn and the lower part of the second weft yarn; the second warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns; and the third warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns.
The first breathable layer 21 and the second breathable layer 22 both have a thickness of 0.25 mm.
The first breathable layer 21 and the second breathable layer 22 are both water-based acrylate film layers.
The first breathable layer 21 and the second breathable layer 22 are both provided with a net structure; the mesh shape of the net-shaped structure is a rhombus, and the side length of the rhombus is 2 cm.
The heat insulation layer 3 is a silica aerogel layer. The thermal insulation layer 3 comprises a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 being in contact with the first gas permeable layer 21, and the third silica aerogel layer 33 being in contact with the second gas permeable layer 22.
In a preferred embodiment, the first silica aerogel layer 31 has a thickness of 0.05mm, the second silica aerogel layer 32 has a thickness of 0.1mm, and the third silica aerogel layer 33 has a thickness of 0.1 mm.
The first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 1.0 μm, and the content of the micro-nano fiber aerogel is 50 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 0.5 μm, and the content of the boron nitride aerogel is 70 wt%; the third silica aerogel layer 33 is doped with graphene fibers, and the length of the graphene fibers is 1.0mm, and the content of the graphene fibers is 10 wt%.
The skin-friendly layer, the first breathable layer, the second breathable layer, the first silica aerogel layer, the second silica aerogel layer and the third silica aerogel layer are adhered together through adhesive.
Example 3
A double-sided grid aerogel heat insulation interlayer comprises a skin-friendly layer 1, a breathable layer 2 and a heat insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
The skin-friendly layer 1 is formed by weaving warp yarns and weft yarns, wherein the warp yarns are blended yarns formed by blending cotton fibers and hemp fibers; the weft yarn is blended yarn formed by blending milk protein fibers and viscose fibers.
The surface of the skin-friendly layer is uniformly provided with a plurality of through holes, the aperture of each through hole is 2mm, and the central distance between every two adjacent through holes is 2 times of the aperture of each through hole.
The weft yarns comprise a first weft yarn and a second weft yarn; the warp yarns comprise a first warp yarn, a second warp yarn and a third warp yarn; the first warp yarn sequentially passes through the upper part of the first weft yarn and the lower part of the second weft yarn; the second warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns; and the third warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns.
The first breathable layer 21 and the second breathable layer 22 both have a thickness of 0.15 mm.
The first breathable layer 21 and the second breathable layer 22 are both water-based acrylate film layers.
The first breathable layer 21 and the second breathable layer 22 are both provided with a net structure; the mesh shape of the net-shaped structure is a circle, and the diameter of the circle is 3 cm.
The heat insulation layer 3 is a silica aerogel layer. The thermal insulation layer 3 comprises a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 being in contact with the first gas permeable layer 21, and the third silica aerogel layer 33 being in contact with the second gas permeable layer 22.
In a preferred embodiment, the first silica aerogel layer 31 has a thickness of 0.1mm, the second silica aerogel layer 32 has a thickness of 0.15mm, and the third silica aerogel layer 33 has a thickness of 0.15 mm.
The first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 1.0 μm, and the content of the micro-nano fiber aerogel is 50 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 0.5 μm, and the content of the boron nitride aerogel is 70 wt%; the third silica aerogel layer 33 is doped with graphene fibers, and the length of the graphene fibers is 1.0mm, and the content of the graphene fibers is 10 wt%.
The skin-friendly layer, the first breathable layer, the second breathable layer, the first silica aerogel layer, the second silica aerogel layer and the third silica aerogel layer are adhered together through adhesive.
Example 4
A double-sided grid aerogel heat insulation interlayer comprises a skin-friendly layer 1, a breathable layer 2 and a heat insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
The skin-friendly layer 1 is formed by weaving warp yarns and weft yarns, wherein the warp yarns are blended yarns formed by blending cotton fibers and hemp fibers; the weft yarn is blended yarn formed by blending milk protein fibers and viscose fibers.
The surface of the skin-friendly layer is uniformly provided with a plurality of through holes, the aperture of each through hole is 2mm, and the central distance between every two adjacent through holes is 2 times of the aperture of each through hole.
The weft yarns comprise a first weft yarn and a second weft yarn; the warp yarns comprise a first warp yarn, a second warp yarn and a third warp yarn; the first warp yarn sequentially passes through the upper part of the first weft yarn and the lower part of the second weft yarn; the second warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns; and the third warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns.
The first breathable layer 21 and the second breathable layer 22 both have a thickness of 0.15 mm.
The first breathable layer 21 and the second breathable layer 22 are both water-based acrylate film layers.
The first breathable layer 21 and the second breathable layer 22 are both provided with a net structure; the mesh shape of the net-shaped structure is a rhombus, and the side length of the rhombus is 1 cm.
The heat insulation layer 3 is a silica aerogel layer. The thermal insulation layer 3 comprises a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 being in contact with the first gas permeable layer 21, and the third silica aerogel layer 33 being in contact with the second gas permeable layer 22.
In a preferred embodiment, the first silica aerogel layer 31 has a thickness of 0.05mm, the second silica aerogel layer 32 has a thickness of 0.1mm, and the third silica aerogel layer 33 has a thickness of 0.1 mm.
The first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 2.0 μm, and the content of the micro-nano fiber aerogel is 55 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 0.8 μm, and the content of the boron nitride aerogel is 75 wt%; the third silica aerogel layer 33 is doped with graphene fibers, and the length of the graphene fibers is 1.5mm, and the content of the graphene fibers is 15 wt%.
The skin-friendly layer, the first breathable layer, the second breathable layer, the first silica aerogel layer, the second silica aerogel layer and the third silica aerogel layer are adhered together through adhesive.
Example 5
A double-sided grid aerogel heat insulation interlayer comprises a skin-friendly layer 1, a breathable layer 2 and a heat insulation layer 3; the skin-friendly layer 1 wraps the breathable layer 2 and the heat-insulating layer 3 inside, the breathable layer 2 comprises a first breathable layer 21 and a second breathable layer 22, and the heat-insulating layer 3 is arranged between the first breathable layer 21 and the second breathable layer 22.
The skin-friendly layer 1 is formed by weaving warp yarns and weft yarns, wherein the warp yarns are blended yarns formed by blending cotton fibers and hemp fibers; the weft yarn is blended yarn formed by blending milk protein fibers and viscose fibers.
The surface of the skin-friendly layer is uniformly provided with a plurality of through holes, the aperture of each through hole is 2mm, and the central distance between every two adjacent through holes is 2 times of the aperture of each through hole.
The weft yarns comprise a first weft yarn and a second weft yarn; the warp yarns comprise a first warp yarn, a second warp yarn and a third warp yarn; the first warp yarn sequentially passes through the upper part of the first weft yarn and the lower part of the second weft yarn; the second warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns; and the third warp yarns sequentially pass through the lower parts of the first weft yarns and the upper parts of the second weft yarns.
The first breathable layer 21 and the second breathable layer 22 both have a thickness of 0.15 mm.
The first breathable layer 21 and the second breathable layer 22 are both water-based acrylate film layers.
The first breathable layer 21 and the second breathable layer 22 are both provided with a net structure; the mesh shape of the net-shaped structure is a rhombus, and the side length of the rhombus is 1 cm.
The heat insulation layer 3 is a silica aerogel layer. The thermal insulation layer 3 comprises a first silica aerogel layer 31, a second silica aerogel layer 32, and a third silica aerogel layer 33, the first silica aerogel layer 31 being in contact with the first gas permeable layer 21, and the third silica aerogel layer 33 being in contact with the second gas permeable layer 22.
In a preferred embodiment, the first silica aerogel layer 31 has a thickness of 0.05mm, the second silica aerogel layer 32 has a thickness of 0.1mm, and the third silica aerogel layer 33 has a thickness of 0.1 mm.
The first silica aerogel layer 31 is doped with micro-nano fiber aerogel, the particle size of the micro-nano fiber aerogel is 2.4 μm, and the content of the micro-nano fiber aerogel is 50 wt%; the second silica aerogel layer 32 is doped with boron nitride aerogel, the particle size of the boron nitride aerogel is 1.0 μm, and the content of the boron nitride aerogel is 70 wt%; the third silica aerogel layer 33 is doped with graphene fibers, and the graphene fibers have a length of 2.0mm and a content of 10 wt%.
The skin-friendly layer, the first breathable layer, the second breathable layer, the first silica aerogel layer, the second silica aerogel layer and the third silica aerogel layer are adhered together through adhesive.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content disclosed above to equivalent embodiments with equivalent changes, but all those skilled in the art do not depart from the technical scope of the present invention, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The double-sided grid aerogel heat insulation interlayer is characterized by comprising a skin-friendly layer (1), a breathable layer (2) and a heat insulation layer (3); the breathable fabric is characterized in that the breathable layer (2) and the heat-insulating layer (3) are wrapped inside the skin-friendly layer (1), the breathable layer (2) comprises a first breathable layer (21) and a second breathable layer (22), and the heat-insulating layer (3) is arranged between the first breathable layer (21) and the second breathable layer (22).
2. The double-sided grid aerogel thermal insulation sandwich according to claim 1, wherein the skin-friendly layer (1) is woven from warp and weft yarns; the warp is cotton-hemp blended yarn; the weft yarn is a milk protein-viscose blended yarn.
3. The double-sided grid aerogel thermal insulation interlayer of claim 2, wherein a plurality of through holes are uniformly arranged on the surface of the skin-friendly layer (1), the aperture of each through hole is 1-3mm, and the central distance between every two adjacent through holes is 3-4 times of the aperture of each through hole.
4. The double-sided grid aerogel thermal insulation sandwich according to claim 1, wherein the first gas-permeable layer (21) and the second gas-permeable layer (22) each have a thickness of 0.15mm to 0.25 mm.
5. The double-sided grid aerogel thermal insulation sandwich of claim 1, wherein the first gas-permeable layer (21) and the second gas-permeable layer (22) are both aqueous acrylate film layers.
6. The double-sided grid aerogel thermal insulation sandwich according to claim 5, wherein the first gas-permeable layer (21) and the second gas-permeable layer (22) are provided with a mesh structure.
7. The double-sided grid aerogel thermal insulation sandwich of claim 6, wherein the mesh shape of said mesh structure is one of diamond, circular, and square.
8. The double-sided grid aerogel thermal insulation sandwich according to claim 1, wherein the thermal insulation layer (3) is a silica aerogel layer.
9. The double-sided grid aerogel thermal insulation sandwich according to claim 8, wherein the thermal insulation layer (3) comprises a first silica aerogel layer (31), a second silica aerogel layer (32), and a third silica aerogel layer (33), the first silica aerogel layer (31) being in contact with the first gas-permeable layer (21), the third silica aerogel layer (33) being in contact with the second gas-permeable layer (22).
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| CN201922274274.0U CN211763928U (en) | 2019-12-15 | 2019-12-15 | Double-sided grid aerogel heat insulation interlayer for light and good-breathability clothes |
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| CN201922274274.0U CN211763928U (en) | 2019-12-15 | 2019-12-15 | Double-sided grid aerogel heat insulation interlayer for light and good-breathability clothes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406219A (en) * | 2020-11-24 | 2021-02-26 | 天长市康特美防护用品有限公司 | Protective clothing fabric with high heat-insulating property and preparation method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406219A (en) * | 2020-11-24 | 2021-02-26 | 天长市康特美防护用品有限公司 | Protective clothing fabric with high heat-insulating property and preparation method thereof |
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Address after: No.19, Qinhuai North Road, Lishui Economic Development Zone, Nanjing, Jiangsu, 210000 Patentee after: Jiangsu Da Mao Niu New Material Co.,Ltd. Address before: F401, floor 4, building 311, cultural and creative park, 4001 Fuqiang Road, CuiWan community, Shatou street, Futian District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen daimaoniu New Material Technology Co.,Ltd. |
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