CN207455880U - Composite sound-absorbing heat-barrier material and air conditioning unit case - Google Patents
Composite sound-absorbing heat-barrier material and air conditioning unit case Download PDFInfo
- Publication number
- CN207455880U CN207455880U CN201721308751.5U CN201721308751U CN207455880U CN 207455880 U CN207455880 U CN 207455880U CN 201721308751 U CN201721308751 U CN 201721308751U CN 207455880 U CN207455880 U CN 207455880U
- Authority
- CN
- China
- Prior art keywords
- layer
- sound
- absorbing
- barrier material
- absorbing heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a kind of composite sound-absorbing heat-barrier material and air conditioning unit cases, are related to refrigeration and air-conditioning technical field, and the composite sound-absorbing heat-barrier material includes：The first layer made of spun-glass insulation cotton material；The second layer on the first layer is set, and the second layer is made of sound-absorbing cotton material.Composite sound-absorbing heat-barrier material in the application can improve the sound-absorbing effect of composite sound-absorbing heat-barrier material, and can effectively reduce dropping out for the chip of spun-glass insulation cotton.
Description
Technical field
The utility model is related to refrigeration and air-conditioning technical field, more particularly to a kind of composite sound-absorbing heat-barrier material and air-conditioner set
Babinet.
Background technology
The thermal insulation material that mainstream uses in current industry is rubber and plastic heat-preservation cotton or the spun-glass insulation cotton with overlay coating.
Spun-glass insulation cotton is to reduce host glass fiber thermal insulation cotton using the main purpose of black fiberglass cloth overlay coating
In glass fibre chip come off.But the thinner thickness of black fiberglass cloth overlay coating and prevent glass fibre chip from taking off
The ability fallen is limited, meanwhile, it is more crisp by black fiberglass cloth overlay coating, it be easy to cause this during thermal insulation material is installed
Layer cracks or fractures, in this way, glass fibre chip is easily dropped out from the place of cracking or fracturing, and by black fiberglass layer of cloth
The heat-insulating property of thermal insulation material can be reduced after fracture to a certain extent.
In order to reduce the degree that glass fibre chip comes off, aluminium foil can be used to replace black fiberglass cloth overlay coating,
Although aluminium foil greatly reduces coming off for glass fibre chip to a certain extent, using after aluminium foil, on the one hand can cause
The sound absorption qualities of spun-glass insulation cotton decline to a great extent, and the intensity of still further aspect aluminium foil is relatively low, easily occur scratching, break
Situations such as splitting and cause glass fibre chip can from scratch, rent comes off.
And rubber and plastic heat-preservation cotton the problem of although no chip comes off, but its sound absorption qualities is very poor, and its flame retardant property also reaches
Less than the non-ignitable rank of glass fibre.
Utility model content
In order to overcome the drawbacks described above of the prior art, the technical problem to be solved is that provide for the utility model embodiment
A kind of composite sound-absorbing heat-barrier material and air conditioning unit case can improve the sound-absorbing effect of composite sound-absorbing heat-barrier material, and
Dropping out for the chip of spun-glass insulation cotton can effectively be reduced.
The specific technical solution of the utility model embodiment is：
A kind of composite sound-absorbing heat-barrier material, the composite sound-absorbing heat-barrier material include：
The first layer made of spun-glass insulation cotton material；
The second layer on the first layer is set, and the second layer is made of sound-absorbing cotton material.
In a preferred embodiment, it is provided with third layer between the first layer and the second layer, the 3rd
Layer is black fiberglass cloth overlay coating or aluminium foil overlay coating, third layer and the first layer made of spun-glass insulation cotton material
Between be combined by barbola work, mutually tied by barbola work between third layer and the second layer made of sound-absorbing cotton material
It closes.
In a preferred embodiment, the average pore size of the sound-absorbing cotton material is less than the spun-glass insulation cotton
The average Length of Glass Fiber of material.
In a preferred embodiment, the sound-absorbing cotton material be high resiliency acoustical cotton, the high resiliency acoustical cotton
Including at least following one of which：Polyurethane sponge, rubber-plastic sponge, polyester fiber acoustical cotton.
In a preferred embodiment, it is described compound when the high resiliency acoustical cotton is polyester fiber acoustical cotton
Sound-absorbing insulation material further includes the 4th layer be arranged on the second layer, and described 4th layer is non-woven fabrics.
In a preferred embodiment, the 4th layer and made of polyester fiber acoustical cotton the made of non-woven fabrics
Two layers are connected by way of line hot pressing welding.
In a preferred embodiment, made of high resiliency sound-absorbing cotton material the second layer with by spun-glass insulation
It is combined between first layer made of cotton material by barbola work.
In a preferred embodiment, made of spun-glass insulation cotton material the thickness of first layer in 15mm extremely
Between 50mm, made of sound-absorbing cotton material the thickness of the second layer in 3mm between 8mm.
In a preferred embodiment, the density of first layer made of spun-glass insulation cotton material is more than by inhaling
The density of the third layer of the density of the second layer made of sound cotton material, black fiberglass cloth overlay coating or aluminium foil overlay coating is more than
The density of first layer made of spun-glass insulation cotton material.
A kind of air conditioning unit case, the wall surface of the air conditioning unit case using the composite sound-absorbing as described in any of the above-described every
Hot material is made, and the bottom of first layer is provided with metal layer, the metal layer edge made of spun-glass insulation cotton material
Place is provided with the plastic layer flange for coating the composite sound-absorbing heat-barrier material edge.
The technical solution of the utility model has following notable advantageous effect：
Composite sound-absorbing heat-barrier material in the application made of spun-glass insulation cotton material on first layer by setting
The second layer made of sound-absorbing cotton material is put, the porosity of sound-absorbing cotton material is relatively low, can effectively reduce from by glass fibers
The possibility that glass fibre chip comes off in first layer made of maintenance temperature cotton material, and then by glass fibre chip utmostly
Be blocked in sound-absorbing cotton material.Meanwhile sound-absorbing cotton material has preferable sound-absorbing effect in itself, effectively increases compound suction
The sound absorption qualities of sound heat-barrier material entirety.
With reference to following explanation and attached drawing, the particular implementation of the utility model is disclosed in detail, specifies this practicality
New principle can be in a manner of adopted.It should be understood that the embodiment of the utility model is not subject to thus in scope
Limitation.In the range of the spirit and terms of appended claims, the embodiment of the utility model includes many changes, modifications
With it is equivalent.The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in a other embodiment, with the feature in other embodiment it is combined or substitute other embodiment in feature.
Description of the drawings
Task of explanation is only used for attached drawing described here, and is not intended in any way limit disclosed in the utility model
Scope.In addition, shape and proportional sizes of each component in figure etc. are only schematical, the reason to the utility model is used to help
Solution is not the specific shape and proportional sizes for limiting each component of the utility model.Those skilled in the art is new in this practicality
Under the introduction of type, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 is diagrammatic cross-section of the composite sound-absorbing heat-barrier material under a kind of embodiment in the utility model embodiment；
Fig. 2 is section signal of the composite sound-absorbing heat-barrier material under another embodiment in the utility model embodiment
Figure；
Fig. 3 is the partial schematic diagram of air conditioning unit case in the utility model embodiment.
The reference numeral of the figures above：
1st, first layer；2nd, third layer；3rd, the second layer；4th, the 4th layer；5th, metal layer；6th, plastic layer flange；7th, air-conditioner set
The wall surface of babinet；8th, air port connecting flange；9th, screw or rivet.
Specific embodiment
With reference to the description of attached drawing and specific embodiment of the present invention, the utility model can be clearly understood
Details.But specific embodiment of the present utility model described here, it is only used for explaining the purpose of this utility model, without
It can be understood as being the limitation to the utility model in any way.Under the introduction of the utility model, technical staff is contemplated that
Arbitrary possible deformation based on the utility model, these are regarded as belonging to the scope of the utility model.Need what is illustrated
It is that when element is referred to as " being arranged at " another element, it can be directly on another element or there may also be placed in the middle
Element.When an element is considered as " connection " another element, it can be directly to another element or can
Centering elements can be existed simultaneously.Term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanical connection or
Connection inside electrical connection or two elements, can be directly connected, can also be indirectly connected by intermediary,
For the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.Made herein
Term " vertical ", " horizontal ", " on ", " under ", "left", "right" and similar statement simply to illustrate that mesh
, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
The arbitrary and all combination of relevant Listed Items.
In order to improve the sound-absorbing effect of composite sound-absorbing heat-barrier material, and effectively reduce the chip of spun-glass insulation cotton
Drop out, propose a kind of composite sound-absorbing heat-barrier material in this application, Fig. 1 be in the utility model embodiment composite sound-absorbing every
Diagrammatic cross-section of the hot material under a kind of embodiment, as shown in Figure 1, the composite sound-absorbing heat-barrier material includes：By glass
First layer 1 made of fiber thermal insulation cotton material；The second layer 3 being arranged on the first layer 1, the second layer 3 is by acoustical cotton
Material is made.
Composite sound-absorbing heat-barrier material in the application made of spun-glass insulation cotton material on first layer 1 by setting
The second layer 3 made of sound-absorbing cotton material is put, the porosity of sound-absorbing cotton material is relatively low, can effectively reduce from by glass fibers
The possibility that glass fibre chip comes off in first layer 1 made of maintenance temperature cotton material, and then by glass fibre chip maximum journey
Degree is blocked in sound-absorbing cotton material.Meanwhile sound-absorbing cotton material has preferable sound-absorbing effect in itself, effectively increases compound
The sound absorption qualities of sound-absorbing insulation material entirety.
In order to be better understood from the composite sound-absorbing heat-barrier material in the application, it will be further explained below and
Explanation.As shown in Figure 1, the first layer 1 of the composite sound-absorbing heat-barrier material in the application is made of spun-glass insulation cotton material, glass
Glass fiber thermal insulation cotton material is a kind of material with good thermal insulation property, while it has the characteristics that incombustible, therefore gathers around
There is good fire protecting performance.Moreover, spun-glass insulation cotton material also has preferable absorbing sound and lowering noise performance, therefore, glass fibers
Maintenance temperature cotton material obtains extensive use.Compared to the thermal insulation material of other species, the thermal insulation material of the other species in part
Could possibly be higher than spun-glass insulation cotton material on heat-insulating property, mechanical strength and environmental-protecting performance, but it is generally described above those
The material of species is not incombustible material, and part has also simply reached fire-retardant standard, moreover, also not having and glass
The other sound absorption qualities of fiber thermal insulation cotton material ad eundem.
The heat-insulating property that is met the requirements in order to which made of spun-glass insulation cotton material first layer 1 is caused to have and
Sound absorption qualities, while the usage amount of spun-glass insulation cotton material can be reduced again, made of spun-glass insulation cotton material
One layer 1 of thickness can with prioritizing selection in 15mm between 50mm.
The second layer 3 of composite sound-absorbing heat-barrier material in the application is made of sound-absorbing cotton material, as shown in Figure 1, it is set
On the first layer 1.Typically, the average pore size of the sound-absorbing cotton material is less than the spun-glass insulation cotton material
Average Length of Glass Fiber, in this way, the glass fibre from the first layer 1 made of spun-glass insulation cotton material can be effectively reduced
The possibility that chip comes off, and then glass fibre chip is blocked in the greatest extent in sound-absorbing cotton material.In order to cause
The second layer 3 has the sound absorption qualities met the requirements and can effectively reduce from by spun-glass insulation made of sound-absorbing cotton material
The possibility that glass fibre chip comes off in first layer 1 made of cotton material, while the usage amount of sound-absorbing cotton material can be reduced again,
The thickness of the second layer 3 can be preferably selected in 3mm between 8mm made of sound-absorbing cotton material.
Sound-absorbing cotton material can with selected as high resiliency acoustical cotton, for example, the high resiliency acoustical cotton can be it is following wherein
It is a kind of：Polyurethane sponge, rubber-plastic sponge, polyester fiber acoustical cotton etc..Polyurethane sponge and rubber-plastic sponge are with fire-retardant
The antimildew and antibacterial material of rank, can be arranged on most surface layer, so that composite sound-absorbing heat-barrier material reaches fire-retardant, mould proof, anti-
The purpose of bacterium.
Made of high resiliency sound-absorbing cotton material the second layer 3 with first layer 1 can made of spun-glass insulation cotton material
To be combined by barbola work.In a kind of feasible embodiment, the second layer 3 exists made of high resiliency sound-absorbing cotton material
Its single side carries gum, and a small amount of hot melt adhesive is dispensed in the surface mesh of the first layer 1 made of spun-glass insulation cotton material
Water, then by the sticking on one side with gum of the second layer 3 made of high resiliency sound-absorbing cotton material, in this way, what bilayer bonded
The durability of fitting can be effectively ensured in technique.
Fig. 2 is section signal of the composite sound-absorbing heat-barrier material under another embodiment in the utility model embodiment
Figure, as shown in Fig. 2, when the high resiliency acoustical cotton is polyester fiber acoustical cotton, the composite sound-absorbing heat-barrier material can be with
Including the 4th layer 4 be arranged on the second layer 3, described 4th layer 4 is non-woven fabrics.Polyester fiber is that a kind of environmental protection can be direct
The material of human skin is contacted, but itself also has the possibility that chip comes off, so needing by polyester fiber acoustical cotton
The surface of the manufactured second layer 3 sets made of non-woven fabrics the 4th layer 4 again, to prevent coming off for polyester fiber acoustical cotton.Certainly,
This double-layer structure can greatly avoid the chip of spun-glass insulation cotton from coming off and enter air passage.
In a kind of feasible embodiment, made of non-woven fabrics the 4th layer 4 with made of polyester fiber acoustical cotton
The second layer 3 can be connected by way of line hot pressing welding.Specifically, made of non-woven fabrics the 4th layer 4 with by polyester
Connection between the second layer 3 made of fiber acoustical cotton causes non-woven fabrics and polyester fiber sound-absorbing by the way of line hot pressing welding
There is the hot pressing melt run of matrix pattern, so that the two closely connects together between cotton.
In a preferred embodiment, as depicted in figs. 1 and 2, the composite sound-absorbing heat-barrier material in the application is in institute
It states and third layer 2 is provided between first layer 1 and the second layer 3, third layer 2 is pasted for black fiberglass cloth overlay coating or aluminium foil
Surface layer, as shown in Figure 1 and Figure 2.In general, the third layer 2 of black fiberglass cloth overlay coating or aluminium foil overlay coating with by glass
First layer 1 can be combined together by way of stickup made of fiber thermal insulation cotton material, third layer 2 with by sound-absorbing cotton material
It can also be combined between the manufactured second layer 3 by barbola work, black fiberglass cloth overlay coating or aluminium foil overlay coating
Third layer 2 can tentatively reduce in first layer 1 coming off for glass fibre chip in spun-glass insulation cotton material.
In a preferred embodiment, the density of first layer 1 made of spun-glass insulation cotton material can be more than
The third layer 2 of the density of the second layer 3 made of sound-absorbing cotton material, black fiberglass cloth overlay coating or aluminium foil overlay coating it is close
Degree can be more than the density of first layer 1 made of spun-glass insulation cotton material.By the above-mentioned means, the compound suction in the application
Sound heat-barrier material is made of the material of a variety of density, and the density difference of material is larger, meanwhile, the porosity per layer of material
Differ larger, therefore, the material of different layers can cut down the noise of different frequency, and then it is heat-insulated to effectively improve composite sound-absorbing
The sound absorption qualities of material.
It also proposed a kind of air conditioning unit case in this application, Fig. 3 is air-conditioning set box in the utility model embodiment
The partial schematic diagram of body, as shown in figure 3, the wall surface 7 of air conditioning unit case is using such as any of the above-described composite sound-absorbing heat-barrier material
It is made, as depicted in figs. 1 and 2, the bottom of first layer is additionally provided with metal layer 5 made of spun-glass insulation cotton material, gold
Belong to the outside that layer 5 is located at the wall surface 7 of air conditioning unit case.5 edge of metal layer is provided with covered composite yarn sound-absorbing insulation material side
The plastic layer flange 6 of edge, plastic layer flange 6 compress the edge of composite sound-absorbing heat-barrier material, and then effectively prevent glass fibers maintenance
Warm cotton material is deviate from from the side edge of first layer 1, while can prevent the heat of air in air conditioning unit case from passing through metal layer 5
Edge transfer to babinet outside air in.As shown in figure 3, entire air conditioning unit case can have metal layer and modeling by polylith
The composite sound-absorbing heat-barrier material of bed of material flange is made, the metal layer between air conditioning unit case difference wall surface can by screw or
Rivet 9 is connected, so that different wall surfaces links together, during connection, screw or rivet 9 can sequentially pass through one side wall surface
Metal layer 5, the plastic layer flange 6 of another side wall surface and metal layer 5, the metal layer 5 of one side wall surface and the metal of another side wall surface
It is blocked by plastic layer flange 6 between layer 5, it can so reduce and conduct heat between different side metal layers 5, reduce air-conditioner set
The loss of box house heat or cold.When air conditioning unit case needs are connected with air port connecting flange 8, can also pass through
Air port connecting flange 8 is connected by screw or rivet 9 with the metal layer 5 in air conditioning unit case, specifically, screw or rivet
9 can be to pass through air port connecting flange 8, then sequentially passes through plastic layer flange 6, the metal layer 5 in the wall surface 7 of air conditioning unit case,
Such plastic layer flange 6 can also separate the contact between metal layer 5 and air port connecting flange 8, hot between the two so as to reduce
The transmission of amount, and strengthen leakproofness between the two.The air conditioning unit case, which can be used for making in air-conditioning system, needs babinet
The part of structure, for example, it may be the babinet of air-conditioner tail end equipment, combined air conditioning box etc..
Above-mentioned each embodiment in this specification is described by the way of progressive, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.It discloses
All articles and reference including patent application and publication, are hereby incorporated by by quoting for various purposes.Description combination
Term " substantially by ... form " identified element, ingredient, component or step should be included and essentially without influence should
Other elements, ingredient, component or the step of the basic novel feature of combination.It is described here using term "comprising" or " comprising "
Element, ingredient, component or step combination it is also contemplated that the implementation being made of substantially these elements, ingredient, component or step
Mode.Here by using term " can with ", it is intended to which described any attribute that illustrating " can with " includes all is optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into separated multiple element, ingredient, component or step.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
The foregoing is merely several embodiments of the utility model, although the embodiment disclosed by the utility model is such as
On, but the content is only to facilitate the embodiment for understanding the utility model and using, it is new to be not intended to limit this practicality
Type.Any those skilled in the art of the present invention are not departing from the spirit and scope disclosed by the utility model
On the premise of, any modification and variation, but the patent of the utility model can be made in the formal and details of embodiment
Protection domain, must still be subject to the scope that the appended claims are defined.
Claims (10)
1. a kind of composite sound-absorbing heat-barrier material, which is characterized in that the composite sound-absorbing heat-barrier material includes：
The first layer made of spun-glass insulation cotton material；
The second layer on the first layer is set, and the second layer is made of sound-absorbing cotton material.
2. composite sound-absorbing heat-barrier material according to claim 1, which is characterized in that in the first layer and the second layer
Between be provided with third layer, third layer is black fiberglass cloth overlay coating or aluminium foil overlay coating, third layer with by glass fibre
It is combined between first layer made of heat preservation cotton material by barbola work, third layer and the second layer made of sound-absorbing cotton material
Between be combined by barbola work.
3. composite sound-absorbing heat-barrier material according to claim 1, which is characterized in that the average pore size of the sound-absorbing cotton material
Less than the average Length of Glass Fiber of the spun-glass insulation cotton material.
4. composite sound-absorbing heat-barrier material according to claim 1, which is characterized in that the sound-absorbing cotton material is inhaled for high resiliency
Sound cotton, the high resiliency acoustical cotton include at least following one of which：Polyurethane sponge, rubber-plastic sponge, polyester fiber acoustical cotton.
5. composite sound-absorbing heat-barrier material according to claim 4, which is characterized in that when the high resiliency acoustical cotton is polyester
During fiber acoustical cotton, the composite sound-absorbing heat-barrier material further includes the 4th layer be arranged on the second layer, described 4th layer
For non-woven fabrics.
6. composite sound-absorbing heat-barrier material according to claim 5, which is characterized in that made of non-woven fabrics the 4th layer with by
The second layer made of polyester fiber acoustical cotton is connected by way of line hot pressing welding.
7. composite sound-absorbing heat-barrier material according to claim 4, which is characterized in that made of high resiliency sound-absorbing cotton material
The second layer between the first layer made of spun-glass insulation cotton material by barbola work the same as being combined.
8. composite sound-absorbing heat-barrier material according to claim 1, which is characterized in that be made of spun-glass insulation cotton material
First layer thickness in 15mm between 50mm, made of sound-absorbing cotton material the thickness of the second layer in 3mm between 8mm.
9. composite sound-absorbing heat-barrier material according to claim 2, which is characterized in that be made of spun-glass insulation cotton material
First layer density be more than made of sound-absorbing cotton material the second layer density, black fiberglass cloth overlay coating or aluminium foil patch
The density of the third layer of surface layer is more than the density of first layer made of spun-glass insulation cotton material.
10. a kind of air conditioning unit case, which is characterized in that the wall surface of the air conditioning unit case is used as in claim 1 to 9
Any composite sound-absorbing heat-barrier material is made, and the bottom of first layer is provided with gold made of spun-glass insulation cotton material
Belong to layer, the metal layer edge is provided with the plastic layer flange for coating the composite sound-absorbing heat-barrier material edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308751.5U CN207455880U (en) | 2017-09-30 | 2017-09-30 | Composite sound-absorbing heat-barrier material and air conditioning unit case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308751.5U CN207455880U (en) | 2017-09-30 | 2017-09-30 | Composite sound-absorbing heat-barrier material and air conditioning unit case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207455880U true CN207455880U (en) | 2018-06-05 |
Family
ID=62252033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308751.5U Active CN207455880U (en) | 2017-09-30 | 2017-09-30 | Composite sound-absorbing heat-barrier material and air conditioning unit case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207455880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943915A (en) * | 2018-06-08 | 2018-12-07 | 青岛海尔股份有限公司 | The preprocess method of vacuum heat-insulating plate, refrigerator and melamine foamed plastic layer |
-
2017
- 2017-09-30 CN CN201721308751.5U patent/CN207455880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943915A (en) * | 2018-06-08 | 2018-12-07 | 青岛海尔股份有限公司 | The preprocess method of vacuum heat-insulating plate, refrigerator and melamine foamed plastic layer |
| CN108943915B (en) * | 2018-06-08 | 2022-04-29 | 海尔智家股份有限公司 | Vacuum heat insulation plate, refrigerator and pretreatment method of melamine foam layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180339491A1 (en) | Insulation for modular buildings | |
| WO2017050081A1 (en) | Polyester nonwoven fabric for greatly reducing noises and realisingrealizing automobile lightnessweight, and preparation method therefor | |
| CN206394170U (en) | A kind of passage sound insulating pad of light two-sided sound-absorbing | |
| WO2019018508A1 (en) | Nonwoven composite for high temperature applications requiring low flammability, smoke, and toxicity | |
| US20140224407A1 (en) | Acoustic absorbent wall coating | |
| CN207455880U (en) | Composite sound-absorbing heat-barrier material and air conditioning unit case | |
| WO2019083910A1 (en) | Acoustic sandwich panel insulator | |
| CN204160845U (en) | High temperature resistant aeroge compound insulating material | |
| CN201636492U (en) | Formaldehyde-free environment-friendly white heat-insulating glass wool felt | |
| CN202312747U (en) | Novel ground mat | |
| CN206174358U (en) | Thermal insulation type composite board | |
| KR20160089060A (en) | Heat insulator with advanced performance | |
| CN212836054U (en) | Heat preservation wall for building | |
| CN204687456U (en) | A kind of door trim for vehicle hemp fibre board | |
| CN208884752U (en) | A kind of external heat insulation board device of civil construction project | |
| CN205976036U (en) | Low heat conduction extruded sheet | |
| CN202192808U (en) | Formaldehyde-free environment-friendly heat preserving and sound absorbing glass wool board | |
| CN207273998U (en) | A kind of train charging energy-storing system thermal insulation board | |
| CN105479858B (en) | Enhanced heat-preservation, fireproof and sound-insulation composite environment-friendly plate with multilayer structure | |
| CN211968701U (en) | Balanced polyester fabric | |
| CN215716159U (en) | Novel heat preservation fire prevention rock wool strip | |
| CN207256985U (en) | A kind of insulation cotton | |
| CN205063243U (en) | Wall cloth | |
| CN211066083U (en) | Portable floor mat | |
| CN211710254U (en) | Roof surface fabric for interior decoration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |