CN106498391A - The multi-layer film structure of heat-tinting - Google Patents
The multi-layer film structure of heat-tinting Download PDFInfo
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- CN106498391A CN106498391A CN201610867619.1A CN201610867619A CN106498391A CN 106498391 A CN106498391 A CN 106498391A CN 201610867619 A CN201610867619 A CN 201610867619A CN 106498391 A CN106498391 A CN 106498391A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/14—Producing integrally coloured layers
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Abstract
The invention discloses a kind of multi-layer film structure of heat-tinting, including：Basal layer；Transition strengthening layer, the transition strengthening layer is arranged on the surface of the basal layer, the transition strengthening layer is made up of the compound layer of one or more layers transition material layer and/or transition material, and transition material at least includes one of any in titanium, zirconium, chromium, nickel, tungsten, aluminum, zinc, carbon and silicon；Aluminium lamination, the aluminium lamination are arranged on the surface of the transition strengthening layer, and the transition strengthening layer is configured to the conjugation power for improving aluminium lamination and basal layer；Alumina layer, the alumina layer are formed on the aluminium lamination, and the surface of the aluminium lamination is processed through heat-tinting, forms the alumina layer.One of the present invention has the technical effect that the alumina layer that can carry out in different base layer materials that heat-tinting process forms different colours.
Description
Technical field
A kind of the invention belongs to Surface-micromachining process field, in particular it relates to multi-layer film structure of heat-tinting.
Background technology
In the prior art, for the method for surface finish coloured by hard material includes chemical coloring process, electrochemistry
Colouring etc..These color methods can form the different oxide-film of thickness on the surface of base material, and form coloring effect, with full
Demand of the sufficient consumer to product different colours.But the conjugation power of the characteristics of due to hard material, dyed layer and base material
Weaker, thicknesses of layers is relatively low, causes to be also easy to produce and comes off, the phenomenon such as dyed layer wearability deficiency.With electronic product gradually
Development, starts on electronic product using more diversified material as Facing material, and is difficult on the surface of some hard materials
Dyed layer is formed, or the dyed layer for being formed easily comes off.
In order to solve the above problems, those skilled in the art also can be carried out at coloring on hard substrate using other methods
Reason.For example, those skilled in the art can also adopt the outward appearance handling process such as existing anodic oxidation, electrophoresis, but, this place
Science and engineering skill there is also defect, and the surface of base material is also easy to produce the corrosion phenomenons such as nigrescence.Further, using other chemical treatment sides
Formula, not only complex process, surface effect are poor and relatively costly so that surface treatment has limitation.Because new material base
The hardness at bottom is high, process of surface treatment is complicated, so being difficult to obtain the higher product of outward appearance and quality.
In sum, it is necessary to which the technique coloured on hard material is improved so that in various hard materials
Heat-tinting is can be carried out on material forms film layer.
Content of the invention
It is an object of the present invention to provide a kind of new solution of heat-tinting on base material.
According to the first aspect of the invention, there is provided a kind of multi-layer film structure of heat-tinting, including：
Basal layer, the material of the basal layer at least include rustless steel, titanium, titanium alloy, magnesium alloy, aluminium alloy, copper alloy,
One of any in non-crystaline amorphous metal, pottery, glass, plastics；
Transition strengthening layer, the transition strengthening layer are arranged on the surface of the basal layer, and the transition strengthening layer is by one layer
Or multilamellar transition material layer and/or transition material compound layer constitute, the transition material at least include titanium, zirconium, chromium, nickel,
One of any in tungsten, aluminum, zinc, carbon and silicon；
Aluminium lamination, the aluminium lamination are arranged on the surface of the transition strengthening layer, and the transition strengthening layer is configured to improve aluminium lamination
Conjugation power with basal layer；
Alumina layer, the alumina layer are formed on the aluminium lamination, and the surface of the aluminium lamination is processed through heat-tinting,
Form the alumina layer.
Alternatively, the transition strengthening layer includes the compound layer of one layer of transition material layer and one layer of transition material, described
Transition material layer is arranged on the surface of the basal layer, and the compound layer of the transition material is formed in the transition material layer
On, the aluminium lamination is arranged on the compound layer of transition material.
Alternatively, the transition strengthening layer includes the compound layer of two-layer transition material layer and two-layer transition material, wherein,
One layer of transition material layer is arranged on the surface of the basal layer, remaining transition material compound layer and transition material layer successively between
Every being formed on ground floor transition material layer, aluminium lamination is arranged on the transition material compound layer of the superiors.
Alternatively, the basal layer be stainless steel layer, the transition material layer be titanium film layer, the chemical combination of the transition material
Nitride layer is titanium nitride film, and the thickness of the titanium film layer is 5 microns, and the thickness of the titanium nitride film is 1 micron.
Alternatively, the basal layer is titanio layer, and the transition material layer is titanium film layer or zirconium film layer, corresponding, described
The compound layer of transition material is titanium nitride film or zirconium nitride film layer, and the thickness of the transition material layer is 3 microns, the mistake
Material compound layer is crossed for 2 microns.
Alternatively, the basal layer is titanio layer, and the transition material layer is titanium film layer or zirconium film layer, the transition material
Compound layer be titanium nitride film or zirconium nitride layer；
Or, transition material layer described in two-layer is respectively titanium film layer and zirconium film layer, the compound layer point of the transition material
The titanium nitride film that Wei be formed on titanium film layer and the titanium nitride film being formed in zirconium film layer.
Alternatively, the thickness of the transition material layer is 2 microns, and the thickness of the compound layer of the transition material is micro- for 1
Rice.
Alternatively, the thickness range of the aluminium lamination is in 5-120 microns.
Alternatively, the thickness of the aluminium lamination is 50 microns, 80 microns or 100 microns.
Alternatively, the thickness of the alumina layer is 1-120 microns.
It was found by the inventors of the present invention that in the prior art, although traditional coloring process has shortcoming, but, ability
Field technique personnel would generally meet Product Process requirement to try one's best according to the requirement of properties of product using different processing technique,
Not recognizing that can improve aluminium lamination and alumina layer attached on base material by being improved to the structure of base material, aluminium lamination
Performance.Therefore, present invention technical assignment to be realized or technical problem to be solved be those skilled in the art from
Not expecting or it is not expected that, therefore the present invention is a kind of new technical scheme.
By referring to the drawings to the present invention exemplary embodiment detailed description, the present invention further feature and its
Advantage will be made apparent from.
Description of the drawings
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiments of the invention, and even
Illustrate to be used for the principle for explaining the present invention together with which.
Fig. 1 is the schematic diagram of the multi-layer film structure of the heat-tinting that a kind of specific embodiment of the invention is provided；
Fig. 2 is the schematic diagram of the multi-layer film structure of the heat-tinting that another kind specific embodiment of the invention is provided.
Specific embodiment
Describe the various exemplary embodiments of the present invention now with reference to accompanying drawing in detail.It should be noted that：Unless in addition had
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments does not limit this
The scope of invention.
It is illustrative below to the description only actually of at least one exemplary embodiment, never as to the present invention
And its application or any restriction for using.
For known to person of ordinary skill in the relevant, technology, method and apparatus may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered a part for description.
In all examples of shown here and discussion, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then which need not be further discussed in subsequent accompanying drawing.
The invention provides a kind of improved scheme coloured on hard substrate, the program can form one kind and aoxidize
The multi-layer film structure of color, improves the conjugation power between dyed layer and base material, improves the reliability coloured on hard substrate.
As shown in figure 1, the multi-layer film structure of the heat-tinting includes basal layer 1, transition strengthening layer 2, aluminium lamination 3 and oxygen
Change aluminium lamination 31.The basal layer 1 is base material, by taking the housing of electronic product as an example, will according to the difference of the performance to product, outward appearance
Ask, different materials can be selected as basal layer 1.Alternatively, the basal layer 1 can be rustless steel, titanium, titanium alloy, magnesium
Alloy, non-crystaline amorphous metal, aluminium alloy, copper alloy and pottery, glass, plastic material, the present invention are not limited to this.
The transition strengthening layer is arranged on the surface of the basal layer 1, and transition strengthening layer 2 is used for improving aluminium lamination and basal layer
Conjugation power between 1, reduces the situation that aluminium lamination and alumina layer come off.Especially, the transition strengthening layer 2 can be by one
Layer or multilamellar transition material layer 21 and/or its compound layer 22 are constituted, can be according to the requirement of properties of product, the material of basal layer 1
The factors such as material, select design transition strengthening layer 2 to there are several Rotating fields, which kind of material adopted.It should be noted that the transition material
Material needs can have good conjugation power with basal layer 1 and aluminium lamination, so, in the solution of the present invention, transition material is
There is with most of hard materials titanium, zirconium, chromium, nickel, tungsten, aluminum, zinc, carbon and the silicon of good bond active force, transition material can be with
At least from one of above-mentioned nine kinds of materials, the present invention is not defined to this.The transition material layer 21 can be transition material
Through the film layer that vapour deposition is formed, transition material compound layer 22 can be the film that transition material is formed after vapour deposition process
Layer.
The aluminium lamination 3 is arranged on the surface of the transition strengthening layer 2, and aluminium lamination 3 suitably forms alumina layer, through coloring
Process and can form different colours.So, the present invention forms aluminium lamination 3 on transition strengthening layer, as being formed, there are different colours
The basis of alumina layer.The transition strengthening layer primarily serves the effect for improving conjugation power between aluminium lamination and basal layer.
The alumina layer 31 is formed on the top layer of the aluminium lamination 3, the aluminium lamination 3 through peroxidating and coloring treatment,
The alumina layer 31 can be formed on top layer.The present invention is not limited on aluminium lamination the technique for being aoxidized and being coloured and is limited
System, in one case, after forming aluminium lamination 3 on transition strengthening layer 2, can carry out oxidization electrolysis by dilute sulfuric acid and form oxidation
Aluminum, is dyeed to aluminium oxide with dyestuff afterwards again, forms alumina layer；Or, in other embodiments, oxygen to aluminium lamination
Change is processed and can pass through one or more electricity such as sulphuric acid, phosphoric acid, oxalic acid, boric acid, tartaric acid, lactic acid, malic acid, sulfo group organic acid
Solution liquid is mixed to form the alumina layer of natural coloring oxidation, hard anodizing or differential arc oxidation effect, improves material surface not
With color can be ornamental.
The multi-layer film structure of the heat-tinting that the present invention is provided can effectively strengthen aluminium lamination and alumina layer is attached to substrate
Adhesive force on layer, reduces the situation that aluminium lamination and alumina layer come off.So that frequently with various hard materials as substrate
In the case of layer, on the attachment base material that aluminium lamination and alumina layer can be stable.Below by way of several specific embodiment parties
The present invention will be described for formula.
Alternatively, in one embodiment, as shown in figure 1, the transition strengthening layer 2 can include one layer of transition material
Layer 21 and the compound layer 22 of one layer of transition material.The transition material layer 21 is set directly at the surface of the basal layer 1, enters
One step ground, is processed by vapour deposition, can form the change of transition material in the surface of the transition material layer 21 or entirety
Compound layer 22.The aluminium lamination 3 is then arranged on the compound layer 22 of the transition material.
Alternatively, in another embodiment, as shown in Fig. 2 the transition strengthening layer 2 can include two-layer transition material
The bed of material 21 and the chemical combination layer of two-layer transition material layer 21.Wherein, ground floor transition material layer 21 is set directly at the basal layer 1
Surface on, and the compound layer 22 of remaining transition material and transition material layer 21 then successively, interval be arranged on ground floor
On transition material layer 21.
Transition material layer forms transition material compound layer disposed thereon after chemical combination process.And in transition material
The new transition material layer re-formed on compound layer, can adopt another kind of material, it would however also be possible to employ the transition material with lower floor
Bed of material identical material is formed.
Alternatively, in one embodiment, the basal layer 1 is stainless steel layer, and the transition strengthening layer 2 includes one layer
Transition material layer 21 and the compound layer 22 of one layer of transition material.The transition material layer 21 be titanium film layer, the titanium film layer lead to
Cross vapour deposition to be attached on the basal layer 1.The compound layer 22 of transition material be titanium nitride film, the titanium nitride film lead to
Cross gas-phase deposition to be formed on the titanium film layer.By controlling technological parameter, titanium nitride film can be adjusted in titanium film layer
On thickness.In this embodiment, for ensureing to provide good conjugation power, the thickness of the titanium film layer is preferably 5
Micron, the thickness of the titanium nitride film is then 1 micron.
Alternatively, in another embodiment, the basal layer 1 can be the titanio formed by pure titanium or titanium alloy
Layer, the transition material layer 21 then can be attached to by gas-phase deposition for titanium film layer or zirconium film layer, transition material layer 21
In titanio layer surface.Similarly, the compound layer of the transition material can be then the titanium nitride formed through gas-phase deposition
Layer or zirconium nitride film layer.Preferably, the thickness of the transition material layer can be 3 microns, and the transition material compound layer is then
It can be 2 microns.
For the embodiment with two-layer transition material layer and the compound layer of two-layer transition material, for example, the base
Bottom 1 can be titanio layer, and the transition material layer 21 can be then the titanium film layer or zirconium film layer formed by vapour deposition.Institute
The compound layer 22 for stating transition material can be then the titanium nitride film formed on titanium film layer by vapour deposition, or
The zirconium nitride formed in zirconium film layer.Alternatively, the ground floor transition material layer 21 being formed directly on basal layer 1 can be titanium film
Layer, is formed with titanium nitride film on titanium film layer, on titanium nitride film, can form zirconium film layer by vapour deposition, in zirconium film
Zirconium nitride is further formed on layer.Still optionally further, the thickness of the transition material layer can be 2 microns, transition material
The thickness of compound layer is then 1 micron.So, the thickness of 2 entirety of transition strengthening layer can be controlled within the specific limits, blocked up
There is the situation of relative drop to the structure-reinforced effect of basal layer 1 and aluminium lamination and alumina layer in transition strengthening layer 2.
Alternatively, the thickness range of the aluminium lamination, between 5-120 microns, in this thickness range, can either be oxygen
Change coloring and effective thickness is provided, it is excessively thin not result in alumina layer again, the phenomenon such as alumina layer intensity decreases.In different realities
Apply in mode, for example, basal layer is rustless steel, transition strengthening layer is titanium film layer and titanium nitride film, and the thickness of the aluminium lamination can
Think 50 microns；It is titanium film layer and titanium nitride film that basal layer is titanio layer, transition strengthening layer, and the thickness of the aluminium lamination can be
100 microns；Basal layer is titanio layer, and transition strengthening layer includes the compound layer of two-layer transition material layer and transition material, described
The thickness of aluminium lamination can be 80 microns.The present invention does not carry out concrete restriction to these combining forms, and those skilled in the art can be with
Selected according to practical situation.
In the thickness range of above-mentioned aluminium lamination, different according to the requirement to alumina layer color, intensity, can be in certain model
The thickness of interior selective oxidation aluminium lamination is enclosed, broad, the thickness range of the alumina layer is between 1-120 microns.
In the present invention, basic transition material includes titanium, zirconium, chromium, nickel, tungsten, aluminum, zinc, carbon and silicon, on its basis shape
Into transition material compound layer can include titanium nitride, titanium carbonitride, zirconium nitride, chromium nitride, nitrogen titanium aluminide, titanium oxide, oxygen
Change the compounds such as zinc, carborundum.In some special embodiments, after defining transition material layer on the base layer, can be with
By techniques such as nitriding carburizings so that whole transition material layer is all changed into the compound layer of transition material.On compound layer
Can be in the compound layer for forming other transition materials.So, would not have in the multi-layer film structure of the heat-tinting
Whole transition material layer, the predominantly compound layer of transition material.This embodiment also can be achieved in the present invention,
The present invention is not limited to this.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (10)
1. a kind of multi-layer film structure of heat-tinting, it is characterised in that include：
Basal layer (1), the material of basal layer (1) at least include that rustless steel, titanium, titanium alloy, magnesium alloy, aluminium alloy, copper are closed
One of any in gold, non-crystaline amorphous metal, pottery, glass, plastics；
Transition strengthening layer (2), transition strengthening layer (2) are arranged on the surface of the basal layer (1), the transition strengthening layer
(2) it is made up of the compound layer (22) of one or more layers transition material layer (21) and/or transition material, transition material at least includes
One of any in titanium, zirconium, chromium, nickel, tungsten, aluminum, zinc, carbon and silicon；
Aluminium lamination (3), aluminium lamination (3) are arranged on the surface of transition strengthening layer (2), and transition strengthening layer (2) are configured to
Improve the conjugation power of aluminium lamination (3) and basal layer (1)；
Alumina layer (31), alumina layer (31) are formed on the aluminium lamination (3), and the surface of aluminium lamination (3) is through peroxide
Change coloring treatment, formed alumina layer (31).
2. the multi-layer film structure of heat-tinting according to claim 1, it is characterised in that described transition strengthening layer (2) wrap
The compound layer (22) of one layer of transition material layer (21) and one layer of transition material is included, transition material layer (21) are arranged on described
The surface of basal layer (1), the compound layer (22) of the transition material are formed on transition material layer (21), the aluminium lamination
(3) it is arranged on the compound layer (22) of transition material.
3. the multi-layer film structure of heat-tinting according to claim 1, it is characterised in that described transition strengthening layer (2) wrap
The compound layer (22) of two-layer transition material layer (21) and two-layer transition material is included, wherein, one layer of transition material layer (21) is arranged
On the surface of the basal layer (1), remaining transition material compound layer (22) and transition material layer (21) are spaced formation successively
On ground floor transition material layer (21), aluminium lamination (3) is arranged on the transition material compound layer (22) of the superiors.
4. the multi-layer film structure of heat-tinting according to claim 2, it is characterised in that described basal layer (1) is stainless
Steel layer, described transition material layer (21) are titanium film layer, and the compound layer (22) of the transition material is titanium nitride film, the titanium
The thickness of film layer is 5 microns, and the thickness of the titanium nitride film is 1 micron.
5. the multi-layer film structure of heat-tinting according to claim 2, it is characterised in that described basal layer (1) is titanio
Layer, described transition material layer (21) are titanium film layer or zirconium film layer, and the compound layer (22) of the transition material is titanium nitride film
Or zirconium nitride film layer, the thickness of transition material layer (21) is 3 microns, and described transition material compound layer (22) are 2 microns.
6. the multi-layer film structure of heat-tinting according to claim 3, it is characterised in that described basal layer (1) is titanio
Layer, described transition material layer (21) are titanium film layer or zirconium film layer, and corresponding, the compound layer (22) of the transition material is nitridation
Titanium film layer or zirconium nitride film layer；
Or, transition material layer (21) described in two-layer is respectively titanium film layer and zirconium film layer, the compound layer of the transition material
(22) titanium nitride film being formed on titanium film layer and the zirconium nitride film layer being formed in zirconium film layer are respectively.
7. the multi-layer film structure of heat-tinting according to claim 3, it is characterised in that transition material layer (21)
Thickness is 2 microns, and the thickness of the compound layer (22) of the transition material is 1 micron.
8. according to claim 1-7 one of arbitrarily described in heat-tinting multi-layer film structure, it is characterised in that the transition is strong
Change the thickness range of layer (2) in 1-120 microns, the thickness range of aluminium lamination (3) is in 5-120 microns.
9. the multi-layer film structure of heat-tinting according to claim 8, it is characterised in that the thickness of aluminium lamination (3) is
50 microns, 80 microns or 100 microns.
10. the multi-layer film structure of heat-tinting according to claim 8, it is characterised in that alumina layer (31)
Thickness is 1-120 microns.
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| CN109750247A (en) * | 2019-01-07 | 2019-05-14 | 江苏新宇生物科技有限公司 | A kind of composite coating and preparation method thereof |
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| CN103373820A (en) * | 2012-04-11 | 2013-10-30 | 钜永真空科技股份有限公司 | Colored glass and its manufacturing process |
| CN103374724A (en) * | 2012-04-12 | 2013-10-30 | 钜永真空科技股份有限公司 | Colored film and manufacturing method thereof |
| CN105506706A (en) * | 2016-01-04 | 2016-04-20 | 沈阳建筑大学 | Aluminum alloy anodizing coloring treatment method |
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| CN107604323A (en) * | 2017-08-01 | 2018-01-19 | 赣州市德普特科技有限公司 | A kind of fuselage composite membrane and preparation method and application |
| CN107604323B (en) * | 2017-08-01 | 2019-04-23 | 赣州市德普特科技有限公司 | A kind of fuselage composite membrane and the preparation method and application thereof |
| CN109750247A (en) * | 2019-01-07 | 2019-05-14 | 江苏新宇生物科技有限公司 | A kind of composite coating and preparation method thereof |
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