CN104890179A - Method for treating metal product surface in macromolecule-metal mixed molding - Google Patents
Method for treating metal product surface in macromolecule-metal mixed molding Download PDFInfo
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- CN104890179A CN104890179A CN201510295313.9A CN201510295313A CN104890179A CN 104890179 A CN104890179 A CN 104890179A CN 201510295313 A CN201510295313 A CN 201510295313A CN 104890179 A CN104890179 A CN 104890179A
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- metallic article
- metal
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- macromolecule
- article surface
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Classifications
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- 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
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
Abstract
The invention relates to a method for treating a metal product surface in macromolecule-metal mixed molding. The method comprises the steps that firstly, the metal product surface is pretreated, and then the metal product is put into a salpeter solution, a sodium hydroxide solution, a sulfuric acid solution and a ferric sulfate solution respectively for acid pickling, so that a microscale mechanical structure is obtained from the metal surface; and aftertreatment is carried out on the metal product surface, and the metal product is aired and put into an oven to be heated to the molding temperature, so that injection moulding is carried out. Compared with the prior art, common acid and basic solutions are adopted as solution raw materials, and the cost is low; the method is easy to operate, and industrialization is easily achieved; and a micro structure of the metal product surface treated through the method is even and repeated, and through injection molding, the bonding strength between macromolecule materials and metal materials can reach 25MPa, and the industrial needs are met.
Description
Technical field
The present invention relates to a kind of metal surface treating method, especially relate to the shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed, belong to macromolecule-metal material mixed-forming technical field.
Background technology
In the industrial production, plastics and metal are the bi-materials be most widely used, and this is determined by their respective material behaviors.The processability of plastics is good, and density is little, quality is light; In addition, the hot strength of plastics is high, and good insulation preformance, dielectric loss are low, and chemical stability is high, has good corrosion resistance, and its antifriction, wear-resisting and damping, sound insulation value are also better.Metal material has the advantages such as good heat conductivity, thermal deformation resistant ability are comparatively strong, hardness is high, optical reflection performance is better.Both superiority are combined, has become present a kind of development trend with the goods obtaining having the high-quality combination properties such as intensity is high, texture is comfortable, waterproof.Thus, polymer-metal combination forming (Polymer-to-metal hybrid, PMH) technology is just arisen at the historic moment.
Polymer-metal combination forming technology is the needs based on bearing structure component application, by the mode of combination forming, by the forming method that metal and engineering plastics combine.Stamping parts is put into injection mold cavity as inserts by it, and at its surperficial injection moldable polymers, both are combined into a kind of single structure assembly by certain bonding mechanism.This technology can obtain more superior structural behaviour by comparatively simple technique, strengthens the globality of structure, reaches loss of weight, cost-saving effect.
The direct combination forming technology of polymer-metal (Polymer-to-metal direct-adhesion hybrid technology) is that research is at present the most extensive, a PMH technology of most advantage.Bonding mechanism mainly contains three classes: a. minute yardstick mechanical locking technology: when plastics melting particle high speed strikes the matrix surface after roughening treatment, molten particles thin slice after distortion is close on rough matrix surface, during cooling meat, salient point bitten by plastics, forms micromechanical locking; B. catalysis bonding technology: metal coats silane catalyst before putting into injection moulding die cavity in its surface, to promote when injection mo(u)lding and the bonding of reinforced metal and polymer; C. chemical improvement opportunity: during injection mo(u)lding, utilizes chemical method to improve thermoplastic to strengthen the bonding of polymer and matrix.Obviously, minute yardstick mechanical locking technology is the optimum way of PMH technology, and the minute yardstick frame for movement of metal surface is the key of this technology.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of macromolecule-metal mixed shaping middle metallic article surface treatment method.
Object of the present invention can be achieved through the following technical solutions:
The shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed, utilizes Acidwash solution to carry out pickling to metallic article surface, and in acid cleaning process, metallic article surface forms micro mechanical structure.
Before carrying out pickling, pretreatment is carried out to metallic article surface, its preprocess method for: by obtained metallic article, put into ethanolic solution to clean, after having cleaned, then put into acetone soln and carry out secondary surface clean, remove grease, the dirt material of metal surface.
In acid cleaning process, metallic article carries out pickling respectively in salpeter solution, sodium hydroxide solution, sulfuric acid solution and ferrum sulfuricum oxydatum solutum, to obtain the frame for movement of minute yardstick in metal surface.
The concentration of described salpeter solution is 5-15%, the concentration of sodium hydroxide solution is 15-40%, sulfuric acid solution concentration is 20-35%, and ferrum sulfuricum oxydatum solutum concentration is 15-25%.
In acid cleaning process, in salpeter solution, sodium hydroxide solution, sulfuric acid solution and ferrum sulfuricum oxydatum solutum, the time of staying is respectively 5-15 minute.
After carrying out pickling, carry out post processing to metallic article surface, post-processing approach is: rinse metallic article surface with the clear water of flowing, wash the Acidwash solution remained on metallic article surface off, metallic article after flushing dries and puts into baking oven and is heated to forming temperature, to carry out injection mo(u)lding.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, solution materials of the present invention is all common acid aqueous slkali, and cost is low;
2, the present invention is simple to operate, easily realizes industrialization;
3, in acid cleaning process of the present invention, metallic article carries out pickling respectively in salpeter solution, sodium hydroxide solution, sulfuric acid solution and ferrum sulfuricum oxydatum solutum, respectively metalwork is carried out to the surface acid-washing of certain hour, thus produce the frame for movement of micro-scale in metal surface, thus reach industrial requirement;
4, through process of the present invention metallic article surface micro-structure evenly and repeat, after injection mo(u)lding, the adhesion strength between macromolecular material and metal material can reach 25MPa, meets industrial requirement.
Accompanying drawing explanation
Fig. 1 is configuration of surface when metallic article is untreated in embodiment 1;
Fig. 2 is metallic article process rear surface form in embodiment 1;
Fig. 3 is configuration of surface when metallic article is untreated in embodiment 2;
Fig. 4 is metallic article process rear surface form in embodiment 2;
Fig. 5 is configuration of surface when metallic article is untreated in embodiment 3;
Fig. 6 is metallic article process rear surface form in embodiment 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
6110 alumiaum article surface treatment methods during a kind of macromolecule-metal mixed is shaping, comprise the following steps:
1, pretreatment is carried out to metallic article surface: by obtained metallic article (6110 alumiaum article), the ethanolic solution putting into concentration 100% cleans, after having cleaned, the acetone soln putting into concentration 100% again carries out secondary surface clean, removes the material such as grease, dirt of metal surface.
2, pickling is carried out to metallic article surface: salpeter solution, concentration that metallic article is 5% in concentration be respectively 15% sodium hydroxide solution, concentration be 20% sulfuric acid solution and concentration be carry out pickling in the ferrum sulfuricum oxydatum solutum of 15%, pickling time is 5 minutes, to obtain the frame for movement of minute yardstick in metal surface.
3, post processing is carried out to metallic article surface: rinse metallic article surface with the clear water of flowing, wash the Acidwash solution remained on metallic article surface off, the metallic article after flushing dries and puts into baking oven and is heated to forming temperature, to carry out injection mo(u)lding.
Utilize electron microscope, characterize the metal surface after process and untreated metal surface, both contrasts as shown in Figure 1 and Figure 2.The metallic article handled well, by injection mo(u)lding, obtains PMH component.By testing the adhesion strength of component, the viscosity intensity between macromolecular material and metal material is as shown in table 1.
Embodiment 2
6110 alumiaum article surface treatment methods during a kind of macromolecule-metal mixed is shaping, comprise the following steps:
1, pretreatment is carried out to metallic article surface: by obtained metallic article (6110 alumiaum article), the ethanolic solution putting into concentration 100% cleans, after having cleaned, the acetone soln putting into concentration 100% again carries out secondary surface clean, removes the material such as grease, dirt of metal surface.
2, pickling is carried out to metallic article surface: salpeter solution, concentration that metallic article is 30% in concentration be respectively 10% sodium hydroxide solution, concentration be 25% sulfuric acid solution and concentration be carry out pickling in the ferrum sulfuricum oxydatum solutum of 20%, pickling time is 10 minutes, to obtain the frame for movement of minute yardstick in metal surface.
3, post processing is carried out to metallic article surface: rinse metallic article surface with the clear water of flowing, wash the Acidwash solution remained on metallic article surface off, the metallic article after flushing dries and puts into baking oven and is heated to forming temperature, to carry out injection mo(u)lding.
Utilize electron microscope, characterize the metal surface after process and untreated metal surface, both contrasts as shown in Figure 3, Figure 4.The metallic article handled well, by injection mo(u)lding, obtains PMH component.By testing the adhesion strength of component, the viscosity intensity between macromolecular material and metal material is as shown in table 1.
Embodiment 3
6110 alumiaum article surface treatment methods during a kind of macromolecule-metal mixed is shaping, comprise the following steps:
1, pretreatment is carried out to metallic article surface: by obtained metallic article (6110 alumiaum article), the ethanolic solution putting into concentration 100% cleans, after having cleaned, the acetone soln putting into concentration 100% again carries out secondary surface clean, removes the material such as grease, dirt of metal surface.
2, pickling is carried out to metallic article surface: salpeter solution, concentration that metallic article is 35% in concentration be respectively 15% sodium hydroxide solution, concentration be 25% sulfuric acid solution and concentration be carry out pickling in the ferrum sulfuricum oxydatum solutum of 15%, pickling time is 15 minutes, to obtain the frame for movement of minute yardstick in metal surface.
3, post processing is carried out to metallic article surface: rinse metallic article surface with the clear water of flowing, wash the Acidwash solution remained on metallic article surface off, the metallic article after flushing dries and puts into baking oven and is heated to forming temperature, to carry out injection mo(u)lding.
Utilize electron microscope, characterize the metal surface after process and untreated metal surface, both contrasts as shown in Figure 5, Figure 6.The metallic article handled well, by injection mo(u)lding, obtains PMH component.By testing the adhesion strength of component, the viscosity intensity between macromolecular material and metal material is as shown in table 1.
Table 1 adhesion strength test result
Above-mentioned is can understand and use invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (6)
1. the shaping middle metallic article surface treatment method of macromolecule-metal mixed, is characterized in that, utilize Acidwash solution to carry out pickling to metallic article surface, and in acid cleaning process, metallic article surface forms micro mechanical structure.
2. the shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed according to claim 1, it is characterized in that, before carrying out pickling, pretreatment is carried out to metallic article surface, its preprocess method for: by obtained metallic article, put into ethanolic solution and clean, after having cleaned, put into acetone soln again and carry out secondary surface clean, remove grease, the dirt material of metal surface.
3. the shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed according to claim 1, it is characterized in that, in acid cleaning process, metallic article carries out pickling respectively in salpeter solution, sodium hydroxide solution, sulfuric acid solution and ferrum sulfuricum oxydatum solutum, to obtain the frame for movement of minute yardstick in metal surface.
4. the shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed according to claim 3, it is characterized in that, the concentration of described salpeter solution is 5-15%, the concentration of sodium hydroxide solution is 15-40%, sulfuric acid solution concentration is 20-35%, and ferrum sulfuricum oxydatum solutum concentration is 15-25%.
5. the shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed according to claim 1, it is characterized in that, in acid cleaning process, in salpeter solution, sodium hydroxide solution, sulfuric acid solution and ferrum sulfuricum oxydatum solutum, the time of staying is respectively 5-15 minute.
6. the shaping middle metallic article surface treatment method of a kind of macromolecule-metal mixed according to claim 1, it is characterized in that, after carrying out pickling, post processing is carried out to metallic article surface, post-processing approach is: rinse metallic article surface with the clear water of flowing, wash the Acidwash solution remained on metallic article surface off, the metallic article after flushing dries and puts into baking oven and is heated to forming temperature, to carry out injection mo(u)lding.
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| CN201510295313.9A CN104890179A (en) | 2015-06-02 | 2015-06-02 | Method for treating metal product surface in macromolecule-metal mixed molding |
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| CN201510295313.9A CN104890179A (en) | 2015-06-02 | 2015-06-02 | Method for treating metal product surface in macromolecule-metal mixed molding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435590A (en) * | 2016-09-28 | 2017-02-22 | 东莞市米纳德金属表面处理材料有限公司 | Stainless steel surface nanoscale treatment technology |
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| CN102162575A (en) * | 2010-02-23 | 2011-08-24 | 晟铭电子科技股份有限公司 | Metal-plastic joint structure and manufacture method thereof |
| US20110318585A1 (en) * | 2010-06-23 | 2011-12-29 | Fih (Hong Kong) Limited | Metal-and-resin composite and method for making the same |
| CN102373499A (en) * | 2010-08-19 | 2012-03-14 | 可成科技股份有限公司 | Combination method of alloy and plastic |
| CN103507203A (en) * | 2012-06-25 | 2014-01-15 | 比亚迪股份有限公司 | Metal-resin composite and preparation method thereof |
| CN103895156A (en) * | 2014-04-01 | 2014-07-02 | 东莞劲胜精密组件股份有限公司 | Composite material and preparation method thereof |
| CN104057579A (en) * | 2014-05-20 | 2014-09-24 | 广东长盈精密技术有限公司 | Preparation method of metal-resin composite and metal-resin composite |
-
2015
- 2015-06-02 CN CN201510295313.9A patent/CN104890179A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162575A (en) * | 2010-02-23 | 2011-08-24 | 晟铭电子科技股份有限公司 | Metal-plastic joint structure and manufacture method thereof |
| US20110318585A1 (en) * | 2010-06-23 | 2011-12-29 | Fih (Hong Kong) Limited | Metal-and-resin composite and method for making the same |
| CN102373499A (en) * | 2010-08-19 | 2012-03-14 | 可成科技股份有限公司 | Combination method of alloy and plastic |
| CN103507203A (en) * | 2012-06-25 | 2014-01-15 | 比亚迪股份有限公司 | Metal-resin composite and preparation method thereof |
| CN103895156A (en) * | 2014-04-01 | 2014-07-02 | 东莞劲胜精密组件股份有限公司 | Composite material and preparation method thereof |
| CN104057579A (en) * | 2014-05-20 | 2014-09-24 | 广东长盈精密技术有限公司 | Preparation method of metal-resin composite and metal-resin composite |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106435590A (en) * | 2016-09-28 | 2017-02-22 | 东莞市米纳德金属表面处理材料有限公司 | Stainless steel surface nanoscale treatment technology |
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Application publication date: 20150909 |