CN106738609A - A kind of preparation method of stainless steel and plastic material composite members - Google Patents
A kind of preparation method of stainless steel and plastic material composite members Download PDFInfo
- Publication number
- CN106738609A CN106738609A CN201611084220.2A CN201611084220A CN106738609A CN 106738609 A CN106738609 A CN 106738609A CN 201611084220 A CN201611084220 A CN 201611084220A CN 106738609 A CN106738609 A CN 106738609A
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- Prior art keywords
- stainless steel
- plastic material
- preparation
- composite members
- material composite
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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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
-
- 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
- B29C45/0003—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of successively moulded portions rigidly joined to each other
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/32—Alkaline compositions
- C23F1/36—Alkaline compositions for etching aluminium or alloys thereof
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of stainless steel and the preparation method of plastic material composite members, including step A：Being immersed in pickle after surface of stainless steel is polished carries out pickling, makes stainless steel surfaces roughness Ra be 2 8.5 μm；B：In the surface of stainless steel thermal spraying aluminium powder by processing of step A, surface attachment is obtained after cooling the stainless steel material of aluminium lamination；C：In the stainless steel material immersion alkali wash water that will be processed by step B, the aluminium lamination surface of surface of stainless steel is set to form tafoni；D：The stainless steel material processed by step C and plastic material are made composite members by mould embedded component Shooting Technique.Using the preparation method provided in the present invention, can realize being combined closely with plastic parts on the basis of stainless steel material is not influenceed, and preparation process is simple, with low cost, suitable industrialized production.
Description
Technical field
The invention belongs to stainless steel process technology, and in particular to the preparation side of a kind of stainless steel and plastic material composite members
Method.
Background technology
In field of consumer electronics, consumer increasingly favors the appearance member that metal material is made, especially stainless steel
The appearance member being made, because its good processability, profile metal sense are strong, wear-resistant, durable performance is good, so in smart mobile phone, intelligence
Application widely has been obtained in the electronic products such as energy Wearable, panel computer, laptop computer.
During actually above-mentioned electronic product is prepared, the need for the product that stainless steel is made often is difficult to avoid that and mould
Glue material product is attached, in the prior art to use adhesive under conditions of normal temperature or heating by stainless steel and plastic cement more
Material carries out the combination of integration.The stainless steel prepared using above-mentioned technology is general with the adhesion of plastic material composite members,
And the limitation that the adhesive of consumer electronics suffers from component requirements is applied to, cause acid-proof alkaline also poor, and
And cannot also carry out any process of surface treatment by the composite members after adhesive bonds.Meanwhile, adhesive often has certain
Thickness, for complicated shape region and do not apply to.For above-mentioned technical problem, it is relatively good that many manufacturers also provide some
Solution, such as nanoprocessing treatment technology（NMT）, i.e., by stainless steel surface nanoization treatment, allowing plastic cement directly not
Ejection formation on the surface of rust steel, makes both integrated moldings.Compared with adhesive is used, nanoprocessing treatment technology will not increase
Plus it is extra weight, high in machining efficiency, the industries such as consumer electronics, automobile, information technoloy equipment are widely used in, with current electronic product
Development tendency is lightening, the direction of miniaturization is adapted, however NMT technologies to there is also high cost, technology condition requirement severe
The shortcoming at quarter.
The content of the invention
For tradition using adhesive bond stainless steel and plastic parts technology, there is provided it is a kind of new to prepare stainless steel
Preparation method with plastic material forms composite members, using the preparation method provided in the present invention, can not influence stainless steel
Realize being combined closely with plastic parts on the basis of material, and preparation process is simple, with low cost, suitable industrialized production.
The technical problems to be solved by the invention are achieved by following steps：
A kind of stainless steel provided in the present invention and the preparation method of plastic material composite members, comprise the following steps：
A, surface of stainless steel is polished after immerse pickle in carry out pickling, make stainless steel surfaces roughness Ra be 2-8.5 μ
m；
B, in the surface of stainless steel thermal spraying aluminium powder by processing of step A, surface attachment is obtained after cooling has aluminium lamination not
Rust Steel material；
In C, the stainless steel material that will be processed by step B immersion alkali wash water, form the aluminium lamination surface of surface of stainless steel
Tafoni；
D, the stainless steel material processed by step C and plastic material are made composite members by mould embedded component Shooting Technique.
Surface of stainless steel is polished first in step A, is removed the foreign matter and oxide layer of stainless steel surfaces,
Under the conditions of more preferred, can be polished using polishing cloth, be put into pickle immediately after polishing, in case what is polished is new
It is after fresh surface is shelved and oxidized.It is further preferred that pickle composition is concentrated hydrochloric acid 85-95g/L, nitric acid 40- in step A
85g/L, glacial acetic acid 3-5 g/L, potassium peroxydisulfate 0.5-1 g/L, hexamethylenetetramine 0.02-0.08 g/L, balance of water；Pickling
Time is 15-40 seconds.Pickle in the present invention is made products, to avoid pickle from being allowed to become to stainless steel material excessive erosion
The thin stability so as to influence the physical dimension of stainless steel material, the main corrosion composition of the pickle elects a certain proportion of dense as
Hydrochloric acid and nitric acid, while adding glacial acetic acid, potassium peroxydisulfate and hexamethylenetetramine as buffered etch, pickling time should not mistake
It is long, strictly it is controlled in 15-40 second, stopping pickling by making stainless steel surfaces roughness Ra in 2-8.5 μm.Through testing
Stainless steel surfaces are processed to the size of stainless steel completely without shadow using the pickle in the present invention in card, short time
Ring.
Surface of stainless steel possesses the step of can carrying out thermal spraying aluminium powder after certain roughness, hot in step B
Sandblast aluminium dust is using the one kind in electric arc spraying, plasma spraying or HVAF.Further preferably, in step B
The powder feeding rate of thermal spraying be 110-135g/min, thermal spraying spraying source to stainless steel substrate surface spray distance be 265-
290mm.Aluminum particle particle size range used for hot spraying in step B is 15-25 μm, and aluminium powder purity is higher than 99.99wt%.
After thermal spraying aluminium powder terminates, the aluminum layer thickness of surface of stainless steel attachment is 0.2-0.5mm.Due to stainless steel
Material surface has been provided with certain roughness, so adhesive force of the aluminium lamination of thermal spraying on stainless steel substrate surface is very good.
Meanwhile, aluminum layer thickness also needs precise control, excessively thin, cannot carry out step C, the overall thickness of blocked up then influence composite members.
Step C is then to corrode uniform fine and closely woven tafoni on aluminium lamination using alkali lye by thermal spraying.It is further preferred that
The alkali wash water composition used in step C be NaOH 20-50g/L, sodium carbonate 15-20 g/L, sodium acid carbonate 5-10 g/L, partially
Sodium phosphate 5-12 g/L, ethylene glycol 5-8 g/L, triethanolamine 2-5 g/L, water solubility levelling agent 0.5-0.8 g/L, it is balance of
Water.Yet further, the present inventor has found best using water-soluble levelling agent DAA effect in practice.
The key technology of step C is characterized by corrode on aluminium lamination and uniform tafoni, purely uses and includes hydrogen
It is uneven that the alkali lye of sodium oxide molybdena is corroded the hole being easily caused in actual mechanical process on aluminium lamination, so as to cause subsequently with
Junction discontinuity after plastic material is compound.Sodium metaphosphate, ethylene glycol, three second are utilized in the alkali wash water used in the present invention
The effect of hydramine and aqueous levelling agent, makes the gentle and uniform of aluminium lamination surface corrosion process generation.What is produced in the step is uniform
Tafoni is not only uniformly distributed but also depth is higher, and the empty internal structure degree of disorder is high, and the adhesion with plastic material is very strong.
Further, the time of alkali cleaning is 0.1-0.5 hours in step C, and alkali cleaning temperature is 20-45 DEG C.
The stainless steel and plastic material used in the present invention all have no particular limits, and can use in actual manufacture field
The various stainless steel materials that are inside known to use and plastic material that can be in connection.Stainless steel material is preferably commonly used
Stainless steel trade mark 301,302,303,304 etc., plastic material then preferred thermoplastic resin material, such as polyethylene, polypropylene, polyamides
Amine, polyphenylene oxide etc., or various kinds of resin material mixture.
The present invention has the advantages that：
1st, a kind of new method for preparing stainless steel and plastic material composite members is provided in the present invention, can be made by the method
Into a kind of strong stainless steel of binding ability and the composite members of plastic material.
2nd, avoided using traditional adhesive bond technique in the method that the present invention is provided, and be utilized in stainless steel base
Surface prepares one layer of aluminium lamination for possessing even porous, then crosses the injection of mould embedded component and is combined the stainless steel material and plastic material
Method.The method does not influence the dimensional stability of stainless steel material, at the same can reduce stainless steel material and plastic material because
Combination process and increased thickness, and it is preparation process is simple, with low cost, it is adapted to industrialized production.
Specific embodiment
Present disclosure is conducted further description below by embodiment.
Embodiment 1
Step 1：The preparation of stainless steel test piece
It is the stainless steel materials that the trade mark of 2mm is 301 from thickness, is machined into the test piece of 10 × 35mm.Will be above-mentioned stainless
Steel test piece is dried with after absolute ethyl alcohol wiped clean, surface oxide layer is removed stainless steel test piece polishing cloth after drying,
It is then immersed in pickle, is 2.5 μm to stainless steel strip roughness Ra.
Above-mentioned pickle composition is concentrated hydrochloric acid 95g/L, nitric acid 68g/L, the g/L of glacial acetic acid 5, the g/L of potassium peroxydisulfate 0.8, six
The g/L of methine tetramine 0.08, balance of water；Pickling time is 40 seconds.
Step 2：Thermal spraying aluminium powder
By the stainless steel test piece after step 1 is processed by electric arc spraying in one layer of aluminium lamination of surface spraying.In spraying coating process
Powder feeding rate be 120 g/min, thermal spraying spraying source to stainless steel substrate surface spray distance be 280mm, and use
Aluminum particle particle diameter is 15 μm, and aluminium powder purity is higher than 99.99wt%.
The aluminum layer thickness of thermal spraying is 0.25mm.
Step 3：Alkaline etching
By in the stainless steel test piece immersion alkali wash water after step 2 is processed, alkali wash water composition is NaOH 35g/L, carbonic acid
The g/L of sodium 17, sodium acid carbonate 10g/L, the g/L of sodium metaphosphate 11, the g/L of ethylene glycol 6.5, triethanolamine 4g/L, DAA 0.8
G/L, balance of water.The time of alkali cleaning is 0.15 hour, and alkali cleaning temperature is 25 DEG C.
Step 4：Mould embedded component is molded
The stainless steel test piece that will be processed by step 3 is inserted in mould, by mould embedded component Shooting Technique by it is treated not
Rust steel test piece is combined into one with plastic material.The plastic material selected in the step is polyphenylene oxide resin.
Embodiment 2
The present embodiment is with the difference of embodiment 1, stainless steel strip roughness Ra=4 μm in step 1；Step 2
Powder feeding rate in spraying coating process is 125 g/min, and the spraying source of thermal spraying is to the spray distance of stainless steel strip
275mm, and the aluminum particle particle diameter for using is 20 μm, thermal spraying aluminum layer thickness is 0.3mm；The alkali cleaning time is 0.2 small in step 3
When, alkali cleaning temperature is 30 DEG C；The plastic material selected in step 4 is polyphenylene oxide and polyamide 1:1 hybrid resin material.
Embodiment 3
The present embodiment is with the difference of embodiment 1, stainless steel strip roughness Ra=4.8 μm in step 1；Step
Powder feeding rate in 2 spraying coating process is 115 g/min, and the spraying source of thermal spraying is to the spray distance of stainless steel strip
285mm, and the aluminum particle particle diameter for using is 22 μm, thermal spraying aluminum layer thickness is 0.4mm；The alkali cleaning time is 0.3 small in step 3
When, alkali cleaning temperature is 25 DEG C；The plastic material selected in step 4 is polyphenylene oxide and polyamide 1:1 hybrid resin material.
Embodiment 4
The present embodiment is with the difference of embodiment 1, stainless steel strip roughness Ra=5.6 μm in step 1；Step
Powder feeding rate in 2 spraying coating process is 115 g/min, and the spraying source of thermal spraying is to the spray distance of stainless steel strip
268mm, and the aluminum particle particle diameter for using is 20 μm, thermal spraying aluminum layer thickness is 0.35mm；The alkali cleaning time is 0.3 in step 3
Hour, alkali cleaning temperature is 25 DEG C；The plastic material selected in step 4 is polyethylene.
Embodiment 5
The present embodiment is with the difference of embodiment 1, stainless steel strip roughness Ra=8 μm in step 1；Step 2
Powder feeding rate in spraying coating process is 123 g/min, and the spraying source of thermal spraying is to the spray distance of stainless steel strip
290mm, and the aluminum particle particle diameter for using is 20 μm, thermal spraying aluminum layer thickness is 0.5mm；The alkali cleaning time is 0.5 small in step 3
When, alkali cleaning temperature is 35 DEG C；The plastic material selected in step 4 is polypropylene.
Obtained stainless steel is firmly combined with the composite members of plastic material in above-described embodiment, and junction is fine and closely woven seamless, outward
Shape is attractive in appearance.
Finally it should be noted that above example is only used to illustrate the technical scheme of the embodiment of the present invention rather than it is entered
Row limitation, although being described in detail to the embodiment of the present invention with reference to preferred embodiment, one of ordinary skill in the art
It should be understood that the technical scheme of the embodiment of the present invention can still be modified or equivalent, and these are changed or wait
Amended technical scheme can not be also set to depart from the scope of embodiment of the present invention technical scheme with replacement.
Claims (10)
1. the preparation method of a kind of stainless steel and plastic material composite members, it is characterised in that comprise the following steps：
A, surface of stainless steel is polished after immerse pickle in carry out pickling, make stainless steel surfaces roughness Ra be 2-8.5 μ
m；
B, in the surface of stainless steel thermal spraying aluminium powder by processing of step A, surface attachment is obtained after cooling has aluminium lamination not
Rust Steel material；
In C, the stainless steel material that will be processed by step B immersion alkali wash water, form the aluminium lamination surface of surface of stainless steel
Tafoni；
D, the stainless steel material processed by step C and plastic material are made composite members by mould embedded component Shooting Technique.
2. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Pickling in step A
Liquid composition is concentrated hydrochloric acid 85-95g/L, nitric acid 40-85g/L, glacial acetic acid 3-5 g/L, potassium peroxydisulfate 0.5-1 g/L, six methines
Tetramine 0.02-0.08 g/L, balance of water；Pickling time is 15-40 seconds.
3. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Thermal jet in step B
Aluminium powder is applied using the one kind in electric arc spraying, plasma spraying or HVAF.
4. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Thermal jet in step B
The powder feeding rate of painting be 110-135g/min, thermal spraying spraying source to stainless steel substrate surface spray distance be 265-
290mm。
5. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：It is stainless in step B
The aluminum layer thickness of steel material surface attachment is 0.2-0.5mm.
6. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Thermal jet in step B
The aluminum particle particle size range of painting is 15-25 μm, and aluminium powder purity is higher than 99.99wt%.
7. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Used in step C
Alkali wash water composition be NaOH 20-50g/L, sodium carbonate 15-20 g/L, sodium acid carbonate 5-10 g/L, sodium metaphosphate 5-12
G/L, ethylene glycol 5-8 g/L, triethanolamine 2-5 g/L, water solubility levelling agent 0.5-0.8 g/L, balance of water.
8. the preparation method of stainless steel as claimed in claim 7 and plastic material composite members, it is characterised in that：The water-soluble stream
Flat agent is DAA.
9. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Alkali cleaning in step C
Time be 0.1-0.5 hour, alkali cleaning temperature be 20-45 DEG C.
10. the preparation method of stainless steel as claimed in claim 1 and plastic material composite members, it is characterised in that：Modeling in step D
Glue material is thermoplastic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084220.2A CN106738609A (en) | 2016-11-30 | 2016-11-30 | A kind of preparation method of stainless steel and plastic material composite members |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084220.2A CN106738609A (en) | 2016-11-30 | 2016-11-30 | A kind of preparation method of stainless steel and plastic material composite members |
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| CN106738609A true CN106738609A (en) | 2017-05-31 |
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ID=58914771
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|---|---|---|---|
| CN201611084220.2A Pending CN106738609A (en) | 2016-11-30 | 2016-11-30 | A kind of preparation method of stainless steel and plastic material composite members |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724609A (en) * | 2018-06-22 | 2018-11-02 | 佛山市高明利钢精密铸造有限公司 | A kind of preparation method of anti-bacteria stainless steel composite parts |
| CN111088495A (en) * | 2019-12-02 | 2020-05-01 | 深圳市裕展精密科技有限公司 | Metal part processing method, metal part, shell and metal composite |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895160A (en) * | 2012-12-28 | 2014-07-02 | 比亚迪股份有限公司 | Preparation method of stainless steel-resin composite and stainless steel-resin composite prepared by same |
| CN103895161A (en) * | 2012-12-28 | 2014-07-02 | 比亚迪股份有限公司 | Preparation method of stainless steel-resin composite and stainless steel-resin composite prepared by same |
| CN104231629A (en) * | 2014-09-26 | 2014-12-24 | *** | Stainless steel-high polymer material complex and preparation method thereof |
-
2016
- 2016-11-30 CN CN201611084220.2A patent/CN106738609A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895160A (en) * | 2012-12-28 | 2014-07-02 | 比亚迪股份有限公司 | Preparation method of stainless steel-resin composite and stainless steel-resin composite prepared by same |
| CN103895161A (en) * | 2012-12-28 | 2014-07-02 | 比亚迪股份有限公司 | Preparation method of stainless steel-resin composite and stainless steel-resin composite prepared by same |
| CN104231629A (en) * | 2014-09-26 | 2014-12-24 | *** | Stainless steel-high polymer material complex and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724609A (en) * | 2018-06-22 | 2018-11-02 | 佛山市高明利钢精密铸造有限公司 | A kind of preparation method of anti-bacteria stainless steel composite parts |
| CN111088495A (en) * | 2019-12-02 | 2020-05-01 | 深圳市裕展精密科技有限公司 | Metal part processing method, metal part, shell and metal composite |
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Application publication date: 20170531 |