CN106696172A - Making method of metal and plastic composite product - Google Patents
Making method of metal and plastic composite product Download PDFInfo
- Publication number
- CN106696172A CN106696172A CN201611238603.0A CN201611238603A CN106696172A CN 106696172 A CN106696172 A CN 106696172A CN 201611238603 A CN201611238603 A CN 201611238603A CN 106696172 A CN106696172 A CN 106696172A
- Authority
- CN
- China
- Prior art keywords
- plastics
- preparation
- composite products
- metallic matrix
- deposited metal
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14344—Moulding in or through a hole in the article, e.g. outsert moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14344—Moulding in or through a hole in the article, e.g. outsert moulding
- B29C2045/14352—Moulding in or through a hole in the article, e.g. outsert moulding injecting into blind holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
Abstract
The invention discloses a making method of a metal and plastic composite product. The making method of the metal and plastic composite product comprises the following steps: providing a metallic matrix; enabling a deposited metal layer to be formed on the surface of the metallic matrix; performing corrosion on the surface of the deposited metal layer to form nanometer scale pores; performing injection molding with a plastic material on the surface of the deposited metal layer on the metallic matrix to form the composite product. According to the making method of the metal and plastic composite product provided by the invention, the deposited metal layer is formed on the surface of the metallic matrix, the nanometer scale pores are formed in the surface of the deposited metal layer, and the plastic material is composited with the metallic matrix through the nanometer scale pores in the surface of the deposited metal layer; therefore, the bonding strength between the metallic matrix and the plastic material is great, and the making method can be used in compositing of most types of metal and plastics.
Description
Technical field
The present invention relates to joint product technical field, in particular it relates to a kind of metal and plastics composite products
Preparation method.
Background technology
With the fast development of electron trade, the shell of more and more electronic products is using metal and the joint product of plastics
To make, to reach the performance of outward appearance metal, the purpose of internal plastic structure.The preparation method of metal and plastics composite products also from
The direct injection till now such as adhesives, buckle engaging, rivet interlacement of early stage.
At present, in the method that metal and plastics are directly molded, directly processing forms some apertures on metallic matrix, and
If plastics are pressed directly into the metal base surface with dry hole.But, this kind of method is only capable of the large-scale application on aluminium alloy,
Can not apply with other metal or alloy such as stainless steel, titanium alloy.Because aperture is in other most metals or conjunction
It is not readily available in gold, or the size of the aperture for obtaining, distribution are without causing metal to have the effect of strong bonded plastics.
Thus, on other metal or alloy such as stainless steel, titanium alloy according to this kind directly injection combine plastics, what is ultimately formed answers
Close product and there are the problems such as the unstable, poor reliability of technique.
Therefore, it is necessary to be improved to the preparation method of existing metal and plastics composite products.
The content of the invention
It is an object of the present invention to provide a kind of metal and the new solution of the preparation method of plastics composite products.
According to the first aspect of the invention, there is provided the preparation method of a kind of metal and plastics composite products.The metal and
The preparation method of plastics composite products includes:Metallic matrix is provided;Deposited metal layer is formed on the surface of the metallic matrix;It is right
The surface of the deposited metal layer is corroded, to form small nano-size pores;Will be heavy on plastic injection to the metallic matrix
The surface of product metal level forms joint product.
Optionally, the thickness of the deposited metal layer is 5-50 microns.
Optionally, the composition of the deposited metal layer is at least including in copper, copper alloy, cobalt, cobalt alloy, iron, ferroalloy
It is a kind of.
Optionally, the deposited metal layer is sunk by the one kind in electrochemical deposition, chemical vapor deposition, physical vapour deposition (PVD)
Product method is formed.
Optionally, the metallic matrix is aluminium, aluminium alloy, iron, ferroalloy, magnesium, magnesium alloy, zinc, kirsite, titanium, titanium conjunction
One kind in gold, copper, copper alloy, nickel, nickel alloy.
Optionally, the corrosion is carried out in acidic corrosion solution, and the acidic corrosion solution at least includes hydrochloric acid, sulphur
One kind in acid, phosphoric acid, oxalic acid, acetic acid.
Optionally, the aperture of the small nano-size pores of the deposited metal layer surface is 10-150 nanometers.
Optionally, during temperature is 120 DEG C of injection mold in the mould, with the injection pressure of 100MPa, the injection of 180mm/s
Speed by described in the plastic injection deposited metal layer surface.
Optionally, the plastics are made up of host plastic and impact resistance improved materials, and the host plastic at least includes poly-
One kind in poly (phenylene sulfide) ether resin, polybutylene terephthalate, polyamide, the impact-resistant modified material is at least
Including the one kind in glass fibre, carbon fiber, sheet glass, calcium carbonate, magnesium carbonate, silica, talcum.
Optionally, mass percent of the impact-resistant modified material in the plastics is 10%-50%.
It was found by the inventors of the present invention that in the prior art, general directly processing forms some apertures on metallic matrix, and
If plastics are pressed directly into the metal base surface with dry hole.This kind of method is applicable only to aluminium or aluminium alloy, can not
It is applied to other kinds of metallic matrix.And the present inventor is it has furthermore been found that can be between metallic matrix and plastics
Intermediate connecting layer is set, by metallic matrix and the equal strong bonded of plastics.Metal and plastics composite products that the present invention is provided
Preparation method, deposited metal layer is formed on the surface of metallic matrix, and small nano-size pores, plastics are formed on the surface of deposited metal layer
Combined with metallic matrix by the nano-pore of deposited metal layer surface, formed joint product.The combination of metallic matrix and plastics is strong
Degree is high.The metallic matrix that can be used in most species is compound with plastics.
Therefore, the technical assignment to be realized of the present invention or technical problem to be solved be those skilled in the art from
It is 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 detailed description of exemplary embodiment of the invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments of the invention, and even
It is used to explain principle of the invention together with its explanation.
Fig. 1 is the schematic diagram of the preparation method of the metal and plastics composite products of offer in the embodiment of the present invention;
Fig. 2 be the metallic matrix that provides in the embodiment of the present invention and plastics it is compound after structural representation.
Wherein, 1:Metallic matrix;2:Deposited metal layer;3:Plastics.
Specific embodiment
Describe various exemplary embodiments of the invention in detail now with reference to accompanying drawing.It should be noted that:Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments do not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
The invention provides a kind of metal and the preparation method of plastics composite products, the system of the metal and plastics composite products
Make method and form deposited metal layer by metal base surface, small nano-size pores are formed on the surface of deposited metal layer, with reality
Now by the deposited metal layer surface on plastic injection to metallic matrix.In this way, plastics invade the nanometer of deposited metal layer surface
In level aperture, metallic matrix is big with the bond strength that plastics are combined to form between joint product, and metallic matrix and plastics.Can
Metal for most species is compound with plastics.
As shown in figure 1, the preparation method of the metal and plastics composite products includes:
First, as shown in Figure 2, there is provided metallic matrix 1, plastics 3 are combined with the metallic matrix 1, is formed compound producing
Product.For example, mechanical grinding polishing can be carried out to the metallic matrix 1, degreasing degreasing, to obtain the surface of cleaning.Optionally, institute
It can be aluminium, aluminium alloy, iron, ferroalloy, magnesium, magnesium alloy, zinc, kirsite, titanium, titanium alloy, copper, copper alloy, nickel to state metallic matrix 1
Or nickel alloy etc..
Afterwards, as shown in Fig. 2 forming deposited metal layer 2 on the surface of the metallic matrix 1.Specifically, the deposition gold
Category layer 2 can make to be formed by methods such as electrochemical deposition, chemical vapor deposition or physical vapour deposition (PVD)s.For example, can be by
The metallic matrix 1 is put into acid copper plating tank.
The deposited metal layer 2 is attached on the metallic matrix 1.The material of the deposited metal layer 2 should meet:It is easy to
Corrosion formation thereon is uniformly distributed, the aperture that aperture is moderate.Preferably, the composition of deposited metal layer 2 at least include copper,
One kind in copper alloy, cobalt, cobalt alloy, iron, ferroalloy.
The deposited metal layer 2 should have certain thickness, in order to be formed on aperture.Preferably, the deposition
The thickness of metal level 2 is between 5 microns to 50 microns.In this way, deposited metal layer 2 has certain thickness, on the one hand its
The surface of the metallic matrix 1 can be fixed on;On the other hand, it is easy to processing to form aperture thereon.
After the deposited metal layer 2 is formed, the surface to deposited metal layer 2 is corroded, to form nanometer
The aperture of level.Optionally, the nano level aperture is between 10 nanometers to 150 nanometers.In this way, plastics 3 are being molded into institute
When stating the deposited metal layer 2 on metallic matrix 1, its surface can be immersed in the small nano-size pores on the deposited metal layer 2.
Adsorption effect is good.
Preferably, the corrosion can be carried out in acidic corrosion solution, specifically, the acidic corrosion solution at least includes
One kind of hydrochloric acid, sulfuric acid, phosphoric acid, oxalic acid or acetic acid.
Finally, as shown in Fig. 2 the surface of the deposited metal layer 2 plastics 3 being molded on the metallic matrix 1, forms multiple
Close product.In this way, plastics 3 are securely fixed in the surface of the deposited metal layer 2, the gold by the nano level aperture
Category matrix 1 is combined together by metal deposition layer 2 thereon with the plastics 3.And the knot of metallic matrix 1 and the plastics 3
Conjunction intensity is high, and compound reliability is high.
Preferably, the plastics 3 are made up of host plastic and impact resistance improved materials.The host plastic is at least poly- Asia
One kind in aralkyl sulfid resin, polybutylene terephthalate and polyamide.The impact resistance improved materials are at least
It is the one kind in glass fibre, carbon fiber, sheet glass, calcium carbonate, magnesium carbonate, silica, talcum.In this way, being combined in injection
When, the surface of the plastics 3 more can enter in the nano level aperture, and adhesion is big.It is further preferred that described
Mass percent of the impact resistance improved materials in the plastics 3 is 10-50%, and remaining is host plastic.
Preferably, during temperature is 120 DEG C of injection mold in the mould, with the injection pressure of 100MPa, the injection of 180mm/s
The plastics 3 are molded speed the surface of the deposited metal layer 2.In this way, the combination of the plastics 3 and the metallic matrix 1
Effect is good.
In a kind of specific embodiment of the invention, first, prepare the stainless steel plate of 1.5 mm of thickness, cut
It is long 40 millimeters, 18 millimeters wide stainless steel bases;After being polished through mechanical grinding, degreasing degreasing obtains the surface of cleaning.So
Afterwards, stainless steel base is put into acid copper plating tank, with 1 to 2A/dm2Current density, plating formed 10 microns copper plating
Layer, cleans drying with water after the completion of plating.Afterwards, the acidic corrosion solution stainless steel base immersion after copper facing prepared, its
In, sulfuric acid 5%, acetic acid 10%, sodium thiosulfate 2%, balance of water.Corrosion is taken out after 2 minutes, is cleaned up with clear water, and
Drying.Finally, stainless steel base is placed in injection mold, 80% poly-succinic diol ester, 20% glass will be contained using injection machine
The plastic injection of fibrous plastic to the surface of stainless steel base, wherein, injection pressure 100MPa, injection speed 180mm/s, mould temperature
120 DEG C, the small nano-size pores of stainless steel base and plastics by copper coating and thereon link together.After tested, plastics and not
The bond strength about 21.2Mpa of steel matrix of becoming rusty.
In another specific embodiment of the invention, first, it is the titanium alloy of 1.5mm to prepare thickness, is cut
It is long 40 millimeters, 18 millimeters wide titanium alloy substrates, after being polished through mechanical grinding, degreasing degreasing obtains the surface of cleaning.So
Afterwards, titanium alloy substrate is placed in 2min in zinc bath, forms pre-plating layer;In placing into alkaline copper plating tank, with 1 to 2A/dm2's
Current density, plating forms 10 microns of copper coating, cleans test piece after the completion of plating and dries up.Afterwards, titanium alloy substrate is soaked
Enter acidic corrosion solution, wherein sulfuric acid 5%, acetic acid 5%, sodium thiosulfate 2%, balance of water;Taken out after corrosion 3min, with clear
Water is cleaned up, and is dried up.Finally, titanium alloy substrate is placed in injection mold, is closed plastic injection to titanium using injection machine
The surface of auri body, injection parameterses are ibid.After tested, the bond strength of plastics and titanium alloy substrate about 25.6Mpa.
In another specific embodiment of the invention, first, it is the titanium alloy of 1.5mm to prepare thickness, is cut into length
40 millimeters, 18 millimeters wide of titanium alloy substrate, degreasing degreasing obtain the surface of cleaning.Then, using Flexer G620 types gold
Category physics vapour deposition system, the titanium layer bottoming of 1 micron of pre-deposition on titanium alloy substrate surface, then redeposited 5 microns of copper
Coating.Afterwards, titanium alloy substrate is immersed into acidic corrosion solution, wherein sulfuric acid 5%, sodium thiosulfate 5%, balance of water;It is rotten
Erosion is taken out after 3 minutes, is cleaned up with clear water, and dry up.Finally, titanium alloy substrate is placed in injection mold, uses injection
, by the surface of plastic injection to titanium alloy substrate, injection parameterses are ibid for machine.After tested, the bond strength of plastics and titanium alloy substrate
About 22.1Mpa.
Although being described in detail to some specific embodiments of the invention 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 to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (10)
1. the preparation method of a kind of metal and plastics composite products, it is characterised in that including:
Metallic matrix (1) is provided;
Deposited metal layer (2) is formed on the surface of the metallic matrix (1);
Surface to deposited metal layer (2) is corroded, to form small nano-size pores;
The surface of deposited metal layer (2) plastics (3) being molded on the metallic matrix (1) forms joint product.
2. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the deposited metal
The thickness of layer (2) is 5-50 microns.
3. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the deposited metal
The composition of layer (2) at least includes the one kind in copper, copper alloy, cobalt, cobalt alloy, iron, ferroalloy.
4. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the deposited metal
Layer (2) is formed by a kind of deposition process in electrochemical deposition, chemical vapor deposition, physical vapour deposition (PVD).
5. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the metallic matrix
(1) be aluminium, in aluminium alloy, iron, ferroalloy, magnesium, magnesium alloy, zinc, kirsite, titanium, titanium alloy, copper, copper alloy, nickel, nickel alloy
One kind.
6. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the corrosion is in acid
Property etchant solution in carry out, the acidic corrosion solution at least include hydrochloric acid, sulfuric acid, phosphoric acid, oxalic acid, acetic acid in one kind.
7. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the deposited metal
The aperture of the small nano-size pores on layer (2) surface is 10-150 nanometers.
8. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that temperature is in mould
It is with the injection speed of the injection pressure of 100MPa, 180mm/s that the plastics (3) injection is described heavy in 120 DEG C of injection mold
The surface of product metal level (2).
9. the preparation method of metal according to claim 1 and plastics composite products, it is characterised in that the plastics (3)
It is made up of host plastic and impact resistance improved materials, the host plastic at least includes polyphenylene sulfoether resin, gathers to benzene two
One kind in formic acid butanediol fat, polyamide, the impact-resistant modified material at least includes glass fibre, carbon fiber, glass
One kind in glass piece, calcium carbonate, magnesium carbonate, silica, talcum.
10. the preparation method of metal according to claim 9 and plastics composite products, it is characterised in that the impact resistance
The material modified mass percent in the plastics (3) is 10%-50%.
Priority Applications (1)
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CN201611238603.0A CN106696172A (en) | 2016-12-28 | 2016-12-28 | Making method of metal and plastic composite product |
Applications Claiming Priority (1)
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CN201611238603.0A CN106696172A (en) | 2016-12-28 | 2016-12-28 | Making method of metal and plastic composite product |
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CN201611238603.0A Pending CN106696172A (en) | 2016-12-28 | 2016-12-28 | Making method of metal and plastic composite product |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020010813A1 (en) * | 2018-07-12 | 2020-01-16 | 歌尔股份有限公司 | Combined body of inorganic non-metal and plastic materials and preparation method thereof |
CN111703012A (en) * | 2020-05-09 | 2020-09-25 | 浙江师范大学 | Method for realizing metal deformation and combination of metal deformation and polymer through injection molding process |
CN112342508A (en) * | 2020-09-25 | 2021-02-09 | 深圳市裕展精密科技有限公司 | Metal product and preparation method thereof, and metal composite and preparation method thereof |
CN114679874A (en) * | 2020-12-24 | 2022-06-28 | 富联裕展科技(深圳)有限公司 | Metal composite part, preparation method of metal composite part and shell of electronic device |
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CN104309204A (en) * | 2013-11-14 | 2015-01-28 | 比亚迪股份有限公司 | Composite of titanium or titanium alloy and resin, and preparation method thereof |
CN104608317A (en) * | 2015-02-03 | 2015-05-13 | 东莞市慧泽凌化工科技有限公司 | Combined body of metal and resin and preparation method thereof |
CN105587994A (en) * | 2014-10-20 | 2016-05-18 | 深圳富泰宏精密工业有限公司 | Complex preparation method of metal and plastics and complex prepared by the same |
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Patent Citations (4)
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CN104309192A (en) * | 2013-11-14 | 2015-01-28 | 比亚迪股份有限公司 | Stainless steel-resin composite and preparation method thereof |
CN104309204A (en) * | 2013-11-14 | 2015-01-28 | 比亚迪股份有限公司 | Composite of titanium or titanium alloy and resin, and preparation method thereof |
CN105587994A (en) * | 2014-10-20 | 2016-05-18 | 深圳富泰宏精密工业有限公司 | Complex preparation method of metal and plastics and complex prepared by the same |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020010813A1 (en) * | 2018-07-12 | 2020-01-16 | 歌尔股份有限公司 | Combined body of inorganic non-metal and plastic materials and preparation method thereof |
CN111703012A (en) * | 2020-05-09 | 2020-09-25 | 浙江师范大学 | Method for realizing metal deformation and combination of metal deformation and polymer through injection molding process |
CN112342508A (en) * | 2020-09-25 | 2021-02-09 | 深圳市裕展精密科技有限公司 | Metal product and preparation method thereof, and metal composite and preparation method thereof |
CN112342508B (en) * | 2020-09-25 | 2023-10-20 | 富联裕展科技(深圳)有限公司 | Metal product and preparation method thereof, metal complex and preparation method thereof |
CN114679874A (en) * | 2020-12-24 | 2022-06-28 | 富联裕展科技(深圳)有限公司 | Metal composite part, preparation method of metal composite part and shell of electronic device |
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