CN105256964A - Heat preservation graphene decorative sheet in building outer wall and production flow thereof - Google Patents
Heat preservation graphene decorative sheet in building outer wall and production flow thereof Download PDFInfo
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- CN105256964A CN105256964A CN201510765791.1A CN201510765791A CN105256964A CN 105256964 A CN105256964 A CN 105256964A CN 201510765791 A CN201510765791 A CN 201510765791A CN 105256964 A CN105256964 A CN 105256964A
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- 238000004321 preservation Methods 0.000 title abstract description 10
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
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- 238000000576 coating method Methods 0.000 claims abstract description 22
- 239000004411 aluminium Substances 0.000 claims description 46
- 229910052782 aluminium Inorganic materials 0.000 claims description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 42
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Landscapes
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The invention relates to a heat preservation graphene decorative sheet in a building outer wall and a production flow thereof. The graphene decorative sheet comprises an aluminum-magnesium alloy hardness layer (3) used as a basic layer, a decorative layer (2) is composited onto the outer surface of the aluminum-magnesium alloy hardness layer (3), a nano ultraviolet protective layer (1) is composited onto the outer surface of the decorative layer (2), a polyurethane heat preservation layer (4) is composited onto the inner surface of the aluminum-magnesium alloy hardness layer (3), an aluminum-foil anticorrosion layer (5) is composited onto the inner surface of the polyurethane heat preservation layer (4), the nano ultraviolet protective layer (1), the decorative layer (2), the aluminum-magnesium alloy hardness layer (3), the polyurethane heat preservation layer (4) and the aluminum-foil anticorrosion layer (5) are sequentially composited into a whole body from top to bottom, and the decorative layer (2) is a decorative film or a coating. Compared with the prior art, the heat preservation graphene decorative sheet is not only good in heat preservation effect, energy-saving, environment-friendly and high in practicability, but also durable, long in service life and good in flame retardancy and corrosion resistance.
Description
[technical field]
The present invention relates to building heat preservation technical field, specifically a kind of Graphene decorative panel for external wall inside holding and Making programme thereof.
[background technology]
Along with the high speed development of society, material enjoyment and the quality of the life of people are more and more higher, the main flow decoration consciousness that " with light packs repair, decorations of resetting " is prevailing instantly, traditional ornament materials and form drawback highlight-and visual perception is dull, and " rich Color Life " during poor intention is centrifugal is far apart; The pernicious gas such as formaldehyde, VCM content is high, and the smell is awful, and the feature of environmental protection is poor, and house fitting-up is polluted and caused safely serious injury to health; Process metope, floatingly sprays paint, and install dividing plate, operation is complicated especially, dingdingdangdang, and dust from flying is wasted time and energy, and works with one's mind and overtaxes one's nerves; Therefore, people can't bear to stand already, but suffer from and do not have desirable product form to replace.
The category of Graphene decorative panel is abundant, in a great variety, effect is true to nature, flame-proof damp-proof, heat preservation and soundproof, low-carbon (LC) low consumption, and construct simple and easy (can directly be installed on blank wall), save time and save worry and save money, also recyclable recycling, almost meet current all consumer psychologies to thirst for, become the trend environmental protection building material of most popular alternative traditional decoration material, Portable safety is incomparable.Except safety, modern's rhythm of life is also an important feature soon.Therefore the immediate shipment household consumption mode of namely living, enjoys the favor of young client in consumption market.But the prerequisite realizing this target is, domestic environment must meet environmental protection and safety standard, otherwise does not know where to begin.And because in modern house decoration, only having wall coverings, minority substantially to fit up etc. needs the layout of long period, and what determine customer moves in the time at this point.Graphene decorative panel adopts buckle type mounting means, can realize Fast Installation, add and namely immediate shipment is firmly come true its environment-friendly materials only selecting high-quality in process of manufacture.
Although life staying idle at home is not really project of vital and lasting importance, it is also average close to semicentennial application life for counting carefully.Can ensure once to fit up and can continue to play a role in ensuing many decades, the trouble allowing customer exempt to fit up again be then the hot fields that in industry, numerous enterprises is competed all the time.Meanwhile, along with the development of science and technology, more hommization function is also added in the middle of life staying idle at home, as sound insulation and noise reduction, fire-proof and damp-proof, heat preservation energy-saving etc.Therefore, if a kind of Graphene decorative panel can be provided, to have above-mentioned hommization function, and the brand-new Decoration Design mode of people can be met, significantly save fitting space, make finishing cost performance higher, be worthy of popularization.
[summary of the invention]
Object of the present invention is exactly will solve above-mentioned deficiency and provide a kind of Graphene decorative panel for external wall inside holding, not only high insulating effect, and energy-conserving and environment-protective are practical, and durable in use, and the life-span is long, have good anti-flammability and anti-corrosive properties.
Design a kind of Graphene decorative panel for external wall inside holding for achieving the above object, comprise the almag rigidity layer 3 as basic unit, the external surface of described almag rigidity layer 3 is compounded with decorative layer 2, the external surface of described decorative layer 2 is compounded with nano ultraviolet topping 1, the inner surface of described almag rigidity layer 3 is compounded with polyurethane insulation coating 4, the inner surface of described polyurethane insulation coating 4 is compounded with aluminium foil anticorrosive coat 5, described nano ultraviolet topping 1, decorative layer 2, almag rigidity layer 3, polyurethane insulation coating 4, aluminium foil anticorrosive coat 5 is complex as a whole from top to bottom successively.
Described decorative layer 2 is decorating film or coating.
For a Making programme for the Graphene decorative panel of external wall inside holding, comprise the following steps:
1) punching press: lathe punching press delivered to by aluminium sheet size cut out, this aluminium sheet is almag aluminium sheet, goes out difform aluminium sheet mould according to different mould punching, obtains the almag rigidity layer as basic unit;
2) decorative layer: by aluminium sheet mould good for punching press through washer flushing, polishing, oven dry, the attachment on removing aluminium sheet mould surface, make aluminium sheet mould smooth surface clean, then feeding scribbles workshop, at the external surface spraying and decorating layer of aluminium sheet mould;
3) topping: spray one deck nanoscale topping being coated with on the aluminium sheet mould finished, to disconnect the contact surface scribbling layer and air, this nanoscale topping is nano ultraviolet topping;
4) insulation layer: the manufactured aluminium sheet mould back side is poured into Graphene polyurethane heat insulation material, and flatten with machine, obtain polyurethane insulation coating;
5) aluminium film processing: cover on Graphene polyurethane heat insulation material with aluminium film, aluminium film is aluminium foil anticorrosive coat.
Step 3) and step 4) between, also comprise the step of film wrapped, described film wrapped is by step 3) the aluminium sheet mould of machine-shaping delivers to diaphragm lathe, wraps up one deck polymer protection film again scribbling layer external surface.
Step 2) in, described decorative layer is decorating film or coating.
Compared with the existing technology, tool has the following advantages in the present invention:
(1) the Graphene decorative panel in the present invention is the insulation and the decorative system that are placed in building wall surface, and its heat insulation effect is outstanding and long-term, and heat bridge effect is few, and energy-saving heat preserving is effective; This Graphene decorative panel is from system, to main raw material(s) choosing to supplementary material, to dust-free workshop full-automation production, processing technology to the process of node cold bridge to construction details, undertaken by 65% energy-saving design in construction requirement, have more, more excellent incubation and thermal insulation function than the construction way of traditional energy-saving heat preserving.
(2) this Graphene decorative panel is by architectural decoration, the real integration of insulation.It is as the chief component of architectural decoration energy saving integrated, by the stickup system of similar compatibility with cooperatively interact with the main body fixed form of lenticular fixed system, and air layer system for handling and water-proof system long-term collaborative under, formed and energy-conservation, architectural decoration integral aesthetic.
(3) this Graphene decorative panel production board decoration life-span is long.It has decorates the life-span in more than 40 years, and maintain and replace is efficient and convenient: the surface decoration layer of Graphene decorative panel adopts super weather-proof nano coating, therefore has the extra long life of more than 40 years; Due to the stability of Graphene decorative panel, later if any color replacement, directly spray at architectural decoration layer or change.Graphene decorative panel standardized production, ensures that quality simultaneously, more ensures the homogeneity of quality, high-decoration.
(4) the "dead" element of this Graphene decorative panel, energy-conserving and environment-protective.Adopt the polyurethane foam that coefficient of thermal conductivity is minimum, meet the index of the building energy conservation 65% of national up-to-date enforcement completely, and this product is nontoxic, tasteless, without cracking, inanimate object parasitics, waterproof is oozed, slip-off preventing, has certain soundproof effect.
(5) this Graphene decorative panel is practical, durable in use, corrosion-resistant, ageing-resistant, Wind-Pressure Resistance, shock resistance.Owing to adopting polymer composite and nanoscale graphite particle as the topping of heat insulating material and decorative layer, have good shock-resistant and decay resistance, application life is strong.
(6) the available property of this Graphene decorative panel is strong.Product external surfaces adopts stone similar paint as decorative cover, and color pattern is wide in variety, and can customize according to the hobby of different client, the scope of application is wide.
(7) the making construction environment of this Graphene decorative panel is not by environmental limit, eliminates the drawback caused due to the difference of construction technology.And install very easy, because it adopts fixing vapour to follow closely the fixed form of anchoring, therefore without the need to base treatment, direct keel-free direct hanging link plate is installed, and shortens the duration.
(8) this Graphene decorative panel has good fire retardant performance, has not produced poison gas gas.Because this product adopts composite material and stone similar paint as its basic unit and appearance decorative layer, therefore there is good anti-flammability.
(9) this Graphene decorative panel is lightweight, and hardness is high, is not easy breakage, and carrying easily, as exterior-wall heat insulation, can not affect floor decoration power, thus can reduce input cost when designing.
(10) the quick science of the Making programme of this Graphene decorative panel, time saving and energy saving, reduce construction cost, improve effect, achieve energy conservation object, this product not only increases the workmanship of housing construction insulation and decoration, is especially applicable to the exterior wall internal insulation energy-saving decorations such as office building, market, hotel, house.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
In figure: 1, nano ultraviolet topping 2, decorative layer 3, almag rigidity layer 4, polyurethane insulation coating 5, aluminium foil anticorrosive coat.
[detailed description of the invention]
Below in conjunction with accompanying drawing, following further illustrating is done to the present invention:
As shown in Figure 1, the present invention includes: as the almag rigidity layer 3 of basic unit, the external surface of almag rigidity layer 3 is compounded with decorative layer 2, the external surface of decorative layer 2 is compounded with nano ultraviolet topping 1, the inner surface of almag rigidity layer 3 is compounded with polyurethane insulation coating 4, the inner surface of polyurethane insulation coating 4 is compounded with aluminium foil anticorrosive coat 5, and nano ultraviolet topping 1, decorative layer 2, almag rigidity layer 3, polyurethane insulation coating 4, aluminium foil anticorrosive coat 5 are complex as a whole from top to bottom successively; Wherein, decorative layer 2 is decorating film or coating.
For a making production procedure for the Graphene decorative panel of external wall inside holding, comprise the following steps:
1) punching press: lathe punching press delivered to by aluminium sheet size cut out, this aluminium sheet is almag aluminium sheet, goes out difform aluminium sheet mould according to different mould punching, obtains the almag rigidity layer as basic unit;
2) decorative layer: aluminium sheet mould good for punching press is rinsed through washer, polish, dry, the attachment on removing aluminium sheet mould surface, make aluminium sheet mould smooth surface clean, then feeding scribbles workshop, at the external surface spraying and decorating layer of aluminium sheet mould, the various pattern set by client and lines;
3) topping: spray one deck nanoscale topping being coated with on the aluminium sheet mould finished, to disconnect the contact surface scribbling layer and air, this nanoscale topping is nano ultraviolet topping;
4) insulation layer: the manufactured aluminium sheet mould back side is poured into Graphene polyurethane heat insulation material, and flatten with machine, obtain polyurethane insulation coating;
5) aluminium film processing: cover on Graphene polyurethane heat insulation material with aluminium film, for material moisture, this aluminium film is aluminium foil anticorrosive coat.
Step 3) and step 4) between; also comprise the step of film wrapped; described film wrapped is by step 3) the aluminium sheet mould of machine-shaping delivers to diaphragm lathe; wrap up one deck polymer protection film again, to prevent from playing pollution when following process, transport, construction scribbling layer external surface.Step 2) in, decorative layer is decorating film or coating.
The present invention is directed to the needs of prior art, disclose a kind of Graphene decorative panel of exterior wall internal insulation, formaldehyde is solved by selective use, the pernicious gas content such as VCM are high, the smell is awful, the feature of environmental protection is poor, house fitting-up is polluted and is caused serious injury safely to health, and process metope, floatingly to spray paint, dividing plate is installed, operation is complicated especially, dingdingdangdang, dust from flying, waste time and energy, work with one's mind and overtax one's nerves, heat insulation effect is poor, affect interior decoration, affect resident living environment, affect the problems such as inside space, achieve and there is high-grade decorative effect, there is super-durable protection, high-efficient energy-saving environment friendly, high-weatherability, high self-cleaning, resistance tocrocking, acid rain resistant, strong adhesion, compactness is good, cost is low, convenient and quick construction etc.
In the present invention, Graphene decorative panel is made up of Graphene decorative finish plate, encapsulant etc.It is not only applicable to exterior wall internal insulation and the decoration of new building, is applicable to the energy-conservation of Old building and decorative reformation yet; Both be applicable to all kinds of public building, be also applicable to the exterior wall internal insulation of housing construction; Both be applicable to the building of north cold area, be also applicable to southern hot area building.
The present invention to the requirement of basic unit is: the layer structure that Graphene decorative panel is special, ensure that Graphene decorative panel itself is firm and smooth.During normal mounting Graphene decorative panel, basic unit should reach standard and plasters, do not ftracture, not dry linting, not dusting, not hollowing, do not peel off, surfacing, facade is vertical, negative and positive angle is vertical.Because base course wall slightly concavo-convex and coarse adjusts by dedicated mortar, thus Graphene decorative panel to the planeness of basic unit and fineness relatively low, and process is relatively simple.This and the high-grade paint such as metallic paint, F-C paint, in order to reach imitation aluminium plate effect, are not stinted and are employed more than ten procedures to process the comparison that basic unit defines distinctness.
The present invention is when pasting, because Graphene decorative panel is light plate, also less than the overall weight to national EPS/XPS thin-coat plaster system of field operation, only needs pressing type to install, can reach the adhesive strength requirement of regulation.For thoroughly eliminating the phenomenon of Graphene decorative panel delamination, improving the overall security of Graphene decorative panel, using the anchoring of vapour nail, fastening finish coat, and again Graphene decorative panel and body of wall firmly being linked together.In addition, during the Graphene decorative panel installed at the scene, should compact docking side by side between two boards, pointing foamed material in door, window limit seam, then modify seam crossing with moulding.
The present invention adopts structural safety to design: the construction and installation of Graphene decorative panel adopt the anchoring of vapour nail to paste dual fixed system that fixed system combines with mechanical load-bearing fixed system is to be fixed installation, there is good ant wind load ability and tension pull out force, ensure that appearance effect simultaneously.Waterproofing design: with having waterproof, the aluminium alloys diaphragm seal of decay resistance makes waterproofing work at the easy seepage part such as dividing joint and windowsill, limit moisture to invade, more employing inner ventilation watertight cavity prevents rainwater from infiltrating, and aqueous vapor is distributed from inside to outside and is discharged by pressure-reduction outlet, avoid moisture to condense at the back side of plate, such mechanical fixation system would not corrosion, and insulation layer also can keep dry.Fire protection design: Graphene decorative panel is superfine fire proofing material, polyurethane insulation coating adopts the A level fire proofing adding Graphene.Integral product, no matter from structure or from performance, all has good fireproof performance.
Graphene decorative panel of the present invention is a kind of novel nano decorative material, Graphene being added to polyurethane heat insulation material and polymeric membrane adopts advanced production technology disposable thermal to press coating technique shaping, completely different with other current ornament materials, there is the pattern effects such as the wood grain of super high-emulation, bag, mural painting, three-dimensional true to nature, and from aspects such as decorative effect, installation, use cost, environmental protections, all have and overturn feature.
The present invention produces by adopting novel environment friendly raw material, thus the environmental protection of mounted room is formaldehydeless, and the words of room entirety finishing just do not paint this operation, solve finishing time and paint-like flavour, have accomplished that new family moves in and need not wait, the effect that extending old building need not be removed.And, traditional buckle mounting means is have employed during design, significantly solve the problem of the loaded down with trivial details installation of other aluminium sheet, professional is not more needed to operate, common carpenter master worker will install, and can directly install on blank wall, saving of labor, saves time, saves money again, really accomplish factorial praluction, on-the-spot splicing.In addition, the different colorful products of nearly over thousands of money, all kinds of popular high-grade wallpaper pattern, can multifunctional application, also can directly detain the dream teams such as spelling, docking, all kinds of decoration style.
This Graphene decorative panel detects accreditation through national authority department, the room installing Graphene decorative panel is compared with the room of common finishing, interior temperature difference about 10 degree is the optimal material of south (sweltering heat in summer) and the north (cold in winter) wall body decoration.This product has more unique heat-proof quality, and correspondence, in balcony, glass sunlight house and room, villa top, thoroughly solves the sultry phenomenon that house top layer solar radiation causes, reaches obvious energy-saving effect, belongs to the energy-saving decoration material that country advocates energetically.
This Graphene decorative panel detects sound insulation through national authority department and reaches 29 decibels, be equivalent to the sound insulation of blank wall, as significantly solved the sound of sewer pipe for washroom, this sound insulation function makes household bedroom quieter, simultaneously all kinds of conference room especially, the optimal wall coverings material of sound insulation house.Further, detecting fire-protection rating surface aluminium sheet through national authority department is A level, and moderate soak material is B level, and engineering furred ceiling adopts lightgage steel joist to equal A level and checks and accepts, and meets engineering fire protection requirement.
This Graphene decorative panel humidity resistance is superior, is specially adapted to the finishing of southern humid area, the mildew phenomena that the wall leakage greatly solving southern interior decoration is formed.Adopt aluminum alloy plate materials and polyurethane to carry out compound, than traditional aluminium sheet intensity and hardness larger, can directly apply on all kinds of revetment, durable in use.This product surface, through nanoscale oil rub resistance and anti-tartar process, can directly be cleaned with rag when sweeping, and can also rinse all can not be out of shape with water, thoroughly solves finishing product and cleans rare problem, reach indeformable, non-ageing effect after shaping.Can be arranged on blank wall by direct screw during installation, without underframe, realize the effects such as various plane, solid, embossment, Soft Roll completely, than minimum 5 ㎝-10 ㎝ thickness of saving of traditional revetment finishing, the third dimension that the more aobvious vision of overall space is wide in range.
The present invention, by the restriction of above-mentioned embodiment, change, the modification done, substitutes, combines, simplifies under other any does not deviate from Spirit Essence of the present invention and principle, all should be equivalent substitute mode, is included within protection scope of the present invention.
Claims (5)
1. the Graphene decorative panel for external wall inside holding, it is characterized in that: comprise the almag rigidity layer (3) as basic unit, the external surface of described almag rigidity layer (3) is compounded with decorative layer (2), the external surface of described decorative layer (2) is compounded with nano ultraviolet topping (1), the inner surface of described almag rigidity layer (3) is compounded with polyurethane insulation coating (4), the inner surface of described polyurethane insulation coating (4) is compounded with aluminium foil anticorrosive coat (5), described nano ultraviolet topping (1), decorative layer (2), almag rigidity layer (3), polyurethane insulation coating (4), aluminium foil anticorrosive coat (5) is complex as a whole from top to bottom successively.
2., as claimed in claim 1 for the Graphene decorative panel of external wall inside holding, it is characterized in that: described decorative layer (2) is decorating film or coating.
3., for a Making programme for the Graphene decorative panel of external wall inside holding, it is characterized in that, comprise the following steps,
1) punching press: lathe punching press delivered to by aluminium sheet size cut out, this aluminium sheet is almag aluminium sheet, goes out difform aluminium sheet mould according to different mould punching, obtains the almag rigidity layer as basic unit;
2) decorative layer: by aluminium sheet mould good for punching press through washer flushing, polishing, oven dry, the attachment on removing aluminium sheet mould surface, make aluminium sheet mould smooth surface clean, then feeding scribbles workshop, at the external surface spraying and decorating layer of aluminium sheet mould;
3) topping: spray one deck nanoscale topping being coated with on the aluminium sheet mould finished, to disconnect the contact surface scribbling layer and air, this nanoscale topping is nano ultraviolet topping;
4) insulation layer: the manufactured aluminium sheet mould back side is poured into Graphene polyurethane heat insulation material, and flatten with machine, obtain polyurethane insulation coating;
5) aluminium film processing: cover on Graphene polyurethane heat insulation material with aluminium film, aluminium film is aluminium foil anticorrosive coat.
4. Making programme as claimed in claim 3; it is characterized in that: step 3) and step 4) between; also comprise the step of film wrapped; described film wrapped is by step 3) the aluminium sheet mould of machine-shaping delivers to diaphragm lathe, wraps up one deck polymer protection film again scribbling layer external surface.
5. Making programme as claimed in claim 3, is characterized in that: step 2) in, described decorative layer is decorating film or coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765791.1A CN105256964B (en) | 2015-11-11 | 2015-11-11 | A kind of graphene decorative panel and its Making programme for external wall inside holding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765791.1A CN105256964B (en) | 2015-11-11 | 2015-11-11 | A kind of graphene decorative panel and its Making programme for external wall inside holding |
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| Publication Number | Publication Date |
|---|---|
| CN105256964A true CN105256964A (en) | 2016-01-20 |
| CN105256964B CN105256964B (en) | 2017-07-11 |
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| CN201510765791.1A Active CN105256964B (en) | 2015-11-11 | 2015-11-11 | A kind of graphene decorative panel and its Making programme for external wall inside holding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564132A (en) * | 2016-01-28 | 2016-05-11 | 广东盛大流通日用品有限公司 | Multifunctional graphene decoration painting |
| CN107938977A (en) * | 2017-12-29 | 2018-04-20 | 东祥麟(江苏)实业有限公司 | A kind of decorative panel with thermal and insulating performance |
| CN114654830A (en) * | 2021-04-01 | 2022-06-24 | 上海涂固安高科技有限公司 | Far infrared graphene thermal radiation constant-temperature composite aluminum plate and preparation method thereof |
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| CN201095842Y (en) * | 2007-09-25 | 2008-08-06 | 朱金龙 | Metal composite board with fireproofing sandwich layer |
| CN202152521U (en) * | 2011-08-01 | 2012-02-29 | 王涛 | Decoration plate with anion coating |
| CN202810079U (en) * | 2012-10-18 | 2013-03-20 | 江苏天工钛业科技有限公司 | High-strength composite titanium decorative plate |
| CN103790317A (en) * | 2012-10-31 | 2014-05-14 | 无锡新大中薄板有限公司 | Manufacturing method of aluminum alloy coated plates |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201090007Y (en) * | 2007-07-24 | 2008-07-23 | 范志开 | External wall heat insulation decoration board |
| CN201095842Y (en) * | 2007-09-25 | 2008-08-06 | 朱金龙 | Metal composite board with fireproofing sandwich layer |
| CN202152521U (en) * | 2011-08-01 | 2012-02-29 | 王涛 | Decoration plate with anion coating |
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| CN103790317A (en) * | 2012-10-31 | 2014-05-14 | 无锡新大中薄板有限公司 | Manufacturing method of aluminum alloy coated plates |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564132A (en) * | 2016-01-28 | 2016-05-11 | 广东盛大流通日用品有限公司 | Multifunctional graphene decoration painting |
| CN107938977A (en) * | 2017-12-29 | 2018-04-20 | 东祥麟(江苏)实业有限公司 | A kind of decorative panel with thermal and insulating performance |
| CN114654830A (en) * | 2021-04-01 | 2022-06-24 | 上海涂固安高科技有限公司 | Far infrared graphene thermal radiation constant-temperature composite aluminum plate and preparation method thereof |
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|---|---|
| CN105256964B (en) | 2017-07-11 |
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Denomination of invention: A kind of graphene decorative board for thermal insulation of building exterior wall and its production process Effective date of registration: 20220824 Granted publication date: 20170711 Pledgee: Bank of Shanghai Co.,Ltd. Hongqiao Business District Sub branch Pledgor: SHANGHAI LONGZHEN CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2022310000196 |
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