CN104494040A - Method for synthesizing plastic surface aluminum oxide ceramic layer for molding design of product - Google Patents
Method for synthesizing plastic surface aluminum oxide ceramic layer for molding design of product Download PDFInfo
- Publication number
- CN104494040A CN104494040A CN201410701233.4A CN201410701233A CN104494040A CN 104494040 A CN104494040 A CN 104494040A CN 201410701233 A CN201410701233 A CN 201410701233A CN 104494040 A CN104494040 A CN 104494040A
- Authority
- CN
- China
- Prior art keywords
- alumina ceramic
- ceramic layer
- frosting
- product form
- form design
- 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
- B29C45/14778—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 article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered 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
- B29C45/14—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
- B29C45/14778—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 article consisting of a material with particular properties, e.g. porous, brittle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a method for synthesizing a plastic surface aluminum oxide ceramic layer for molding design of a product and belongs to the technical field of material engineering. The method comprises the following steps: (1) carrying out shot blasting treatment on an injection molding mold cavity of a plastic product; (2) carrying out etching treatment by using a nitric acid ethanol solution; (3) coating a fluorosilane ethanol solution; (4) sequentially carrying out thermal spraying of aluminum oxide ceramic powder of which the size is 5-15mu m as a base layer as well as aluminum oxide ceramic powder of which the size is 20-50mu m as a surface layer inside the injection molding mold cavity of the plastic product; and (5) injecting molten plastic inside the injection molding mold cavity of the plastic product, cooling and releasing the mold to obtain the plastic surface aluminum oxide ceramic layer for molding design of the product. The method has the advantages that the binding force between the plastic surface aluminum oxide ceramic layer for molding design of the product and plastic is increased; the surface properties and mechanical properties of the plastic product are improved; and the water absorption and moisture absorption of the plastic product are improved.
Description
Technical field
The present invention relates to a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer, belong to field of material engineering technology.
Background technology
Styling design of industrial product is carried out by various material processing, making, become suitable to need, the product of pleasant, innovation, these materials that can be used for PRODUCT FORM DESIGN are called PRODUCT FORM DESIGN material.PRODUCT FORM DESIGN material is the material base of styling design of industrial product, is the requirement of product content with funtion, the fundamental embodying structure.PRODUCT FORM DESIGN properties of materials constrains the structure of product, shape and size, and meanwhile, PRODUCT FORM DESIGN material difference can make product have different appearance tactile impression, different decorative effects and different economic benefits.When any one PRODUCT FORM DESIGN only has consistent with the performance characteristics of the material selected and processing technology thereof, object and the requirement of PRODUCT FORM DESIGN could be realized.
Plastics are applied very extensive in styling design of industrial product, and its plasticity and mobility, make it can make various difform product.The major advantage of plastics has: (1) plastics specific strength is high.(2) chemical stability is good.(3) good insulation preformance.(4) thermal conductivity factor is low.(5) good processability, batch production cost is low.(6) plastics have self-lubricating, absorbing, noise elimination, the performance such as airtight.The major defect of plastics shows: intensity, rigidity, poor heat resistance.
Summary of the invention
The object of the present invention is to provide a kind of PRODUCT FORM DESIGN frosting alumina ceramic layer synthetic method.Adopt method of the present invention, can obtain at PRODUCT FORM DESIGN frosting and combine firmly alumina ceramic layer.
The object of the invention is to be achieved through the following technical solutions:
A synthetic method for PRODUCT FORM DESIGN frosting alumina ceramic layer, comprises the following steps:
(1) bead is carried out to plastic products injecting molding die die cavity;
(2) nital etch process is carried out to the plastic products injecting molding die die cavity after step (1) bead;
(3) brushing silicon fluoride alcoholic solution in the plastic products injecting molding die die cavity after step (2) nital etch process, dry;
(4) first is the alumina ceramic powder of 5-15 μm in thermal spraying granularity in step (3) dried plastic products injecting molding die die cavity, and as bottom, reheating spraying granularity is the alumina ceramic powder of 20-50 μm, as superficial layer;
(5) by the plastic injection of melting in the plastic products injecting molding die die cavity after step (4) thermal spraying, shaping, coldly go the rear demoulding, obtain PRODUCT FORM DESIGN frosting alumina ceramic layer.
Described PRODUCT FORM DESIGN plastics are polyvinyl chloride, polystyrene or phenolic resins.
The condition of the bead in described step (1) is: shot-peening is cast steel ball, and pressure is 480-500kPa.
The hardness of described cast steel ball is 42-45HRC, is of a size of Φ 0.5-1.0mm.
In nital in described step (2), the mass percent of nitric acid is 4%-5%.
The time of the etch process in described step (2) is 1-5min.
In silicon fluoride alcoholic solution in described step (3), the mass percent of silicon fluoride is 1%-5%.
Thermal spraying in described step (4) is plasma spraying or HVAF.
Alumina ceramic powder in described step (4) comprises 80wt%Al
2o
3and 20wt%TiO
2.
The thickness of the bottom in described step (4) is 0.05-0.15mm; The thickness of described superficial layer is 0.05-0.95mm.
Principle of the present invention is: (1) the present invention, by carrying out stress corrosion to after plastic products injection molding die cavity shot-peening, produces a large amount of micro-nano hole, and after silicon fluoride is modified, obtain the surface of low-surface-energy, the alumina ceramic coating after thermal spraying is easily peeled off.(2), in plastic products process of injection molding, the plastics of melting penetrate in the larger hole of the alumina ceramic coating superficial layer of die cavity thermal spraying, after cooling, alumina ceramic coating are firmly sticked to the surface of plastic products, form alumina ceramic layer.
In styling design of industrial product, if at plastic product surface Borolon ceramic layer, following advantage and beneficial effect can be reached:
(1) the PRODUCT FORM DESIGN frosting alumina ceramic layer adopting method of the present invention to prepare and the combination of plastics more firm, difficult drop-off.
(2) obtain the luxurious appearance of pottery, improve the decorate properties of product.
(3) surface property of plastic products is improved, as wearability, heat resistance, weather resisteant, corrosion resistance etc.
(4) water suction of plastic products, hygroscopicity is improved.
(5) mechanical property of plastic products is improved.
(6) alleviate product weight, reduce costs, reach the target light, small-sized, inexpensive, attractive in appearance of product.
Detailed description of the invention
Be below specific embodiments of the invention, technical scheme of the present invention is done to describing further, but protection scope of the present invention be not limited to these embodiments.Every do not deviate from the present invention's design change or equivalent substituting include within protection scope of the present invention.
Embodiment 1 PRODUCT FORM DESIGN frosting alumina ceramic layer synthetic method
Product material: polyvinyl chloride.
Thermal spraying material: 80wt%Al
2o
3, 20wt%TiO
2.Bottom powder size 5-15 μm, superficial layer powder size 20 μm-50 μm.
Mold cavity shot-peening: cast steel ball, hardness is 42-45HRC, is of a size of Φ 0.5-1.0mm, and pressure is 480kPa.
Mold cavity nital etch: the content of nitric acid is 4%(mass percent), the etch time is 1min.
Mold cavity brushing silicon fluoride alcoholic solution: the content of silicon fluoride is 1%(mass percent).
Mold cavity thermal spraying: plasma spraying.Underlayer thickness: 0.05mm, surface layer thickness: 0.95mm.
Mould is installed: be installed in injector by the mould through above-mentioned process.
Injection moulding: polrvinyl chloride product injection moulding in the mould of injector.
Concrete steps are:
(1) bead is carried out to polrvinyl chloride product injecting molding die die cavity; The condition of bead is: cast steel ball, and hardness is 42-45HRC, is of a size of Φ 0.5-1.0mm, and pressure is 480-500kPa.
(2) the polrvinyl chloride product injecting molding die die cavity after step (1) bead is carried out to alcoholic solution (content of nitric acid is 4wt%) the etch 1nm of nitric acid;
(3) at the alcoholic solution (content of silicon fluoride is 1wt%) of the polrvinyl chloride product injecting molding die die cavity brushing silicon fluoride after the alcoholic solution etch process of step (2) nitric acid, dry;
(4) alumina ceramic powder being first 5-15 μm in plasma spraying granularity in step (3) dried polrvinyl chloride product injecting molding die die cavity (comprises 80wt%Al
2o
3and 20wt%TiO
2), as bottom (thickness is 0.05mm), reheating spraying granularity is the alumina ceramic powder (80wt%Al of 20-50 μm
2o
3, 20wt%TiO
2), as superficial layer, the gross thickness of described bottom and superficial layer is 1mm;
(5) mould is installed in injector, the polyvinyl chloride of melting is injected in the polrvinyl chloride product injecting molding die die cavity after step (4) thermal spraying, shaping, coldly go the rear demoulding, obtain PRODUCT FORM DESIGN frosting alumina ceramic layer.
Embodiment 2 PRODUCT FORM DESIGN frosting alumina ceramic layer synthetic method
As different from Example 1:
Product material: polystyrene.
Thermal spraying material: 80wt%Al
2o
3, 20wt%TiO
2.Bottom powder size 5-15 μm, superficial layer powder size 20 μm-50 μm.
Mold cavity shot-peening: cast steel ball, hardness is 42-45HRC, is of a size of Φ 0.5-1.0mm, and pressure is 490kPa.
Mold cavity nital etch: the content of nitric acid is 4.5%(mass percent), the etch time is 3min.
Mold cavity brushing silicon fluoride alcoholic solution: the content of silicon fluoride is 3%(mass percent).
Mold cavity thermal spraying: plasma spraying.Underlayer thickness: 0.1mm, surface layer thickness: 0.9mm.
Mould is installed: be installed in injector by the mould through above-mentioned process.
Injection moulding: modified styrene polymer injection moulding in the mould of injector.
Embodiment 3 PRODUCT FORM DESIGN frosting alumina ceramic layer synthetic method
As different from Example 1:
Product material: phenolic resins.
Thermal spraying material: 80wt%Al
2o
3, 20wt%TiO
2.Bottom powder size 5-15 μm, superficial layer powder size 20 μm-50 μm.
Mold cavity shot-peening: cast steel ball, hardness is 42-45HRC, is of a size of Φ 0.5-1.0mm, and pressure is 500kPa.
Mold cavity nital etch: the content of nitric acid is 5%(mass percent), the etch time is 5min.
Mold cavity brushing silicon fluoride alcoholic solution: the content of silicon fluoride is 5%(mass percent).
Mold cavity thermal spraying: HVAF.Underlayer thickness: 0.15mm, surface layer thickness: 0.05mm.
Mould is installed: be installed in injector by the mould through above-mentioned process.
Injection moulding: Bakeland injection moulding in the mould of injector.
Claims (10)
1. a PRODUCT FORM DESIGN synthetic method for frosting alumina ceramic layer, is characterized in that comprising the following steps:
(1) bead is carried out to plastic products injecting molding die die cavity;
(2) nital etch process is carried out to the plastic products injecting molding die die cavity after step (1) bead;
(3) at the plastic products injecting molding die die cavity brushing silicon fluoride alcoholic solution after step (2) nital etch process, dry;
(4) first is the alumina ceramic powder of 5-15 μm in thermal spraying granularity in step (3) dried plastic products injecting molding die die cavity, and as bottom, reheating spraying granularity is the alumina ceramic powder of 20-50 μm, as superficial layer;
(5) by the plastic injection of melting in the plastic products injecting molding die die cavity after step (4) thermal spraying, shaping, coldly go the rear demoulding, obtain PRODUCT FORM DESIGN frosting alumina ceramic layer.
2. the synthetic method of a kind of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1, is characterized in that: described PRODUCT FORM DESIGN plastics are polyvinyl chloride, polystyrene or phenolic resins.
3. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, it is characterized in that: the condition of the bead in described step (1) is: shot-peening is cast steel ball, pressure is 480-500kPa.
4. the synthetic method of a kind of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 3, is characterized in that: the hardness of described cast steel ball is 42-45HRC, is of a size of Φ 0.5-1.0mm.
5. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, is characterized in that: in the nital in described step (2), the mass percent of nitric acid is 4%-5%.
6. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, is characterized in that: the time of the etch process in described step (2) is 1-5min.
7. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, is characterized in that: in the silicon fluoride alcoholic solution in described step (3), the mass percent of silicon fluoride is 1%-5%.
8. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, is characterized in that: the thermal spraying in described step (4) is plasma spraying or HVAF.
9. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, is characterized in that: the alumina ceramic powder in described step (4) comprises 80wt%Al
2o
3and 20wt%TiO
2.
10. a kind of synthetic method of PRODUCT FORM DESIGN frosting alumina ceramic layer according to claim 1 or 2, is characterized in that: the thickness of the bottom in described step (4) is 0.05-0.15mm; The thickness of described superficial layer is 0.05-0.95mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701233.4A CN104494040B (en) | 2014-11-28 | 2014-11-28 | The PRODUCT FORM DESIGN synthetic method of frosting alumina ceramic layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701233.4A CN104494040B (en) | 2014-11-28 | 2014-11-28 | The PRODUCT FORM DESIGN synthetic method of frosting alumina ceramic layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104494040A true CN104494040A (en) | 2015-04-08 |
| CN104494040B CN104494040B (en) | 2016-08-24 |
Family
ID=52935538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410701233.4A Expired - Fee Related CN104494040B (en) | 2014-11-28 | 2014-11-28 | The PRODUCT FORM DESIGN synthetic method of frosting alumina ceramic layer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196008A (en) * | 1995-08-16 | 1998-10-14 | 诺思路·格鲁曼公司 | Ceramic liner infiltrated with pre-ceramic polymer resin |
| US20040104507A1 (en) * | 2002-11-25 | 2004-06-03 | Max Gmur | Process for producing a tool insert for injection molding a part with single-stage microstructures |
| CN103158227A (en) * | 2011-12-15 | 2013-06-19 | 鸿富锦精密工业（深圳）有限公司 | Complex and manufacturing method thereof |
| WO2013178057A1 (en) * | 2012-05-28 | 2013-12-05 | Shenzhen Byd Auto R&D Company Limited | Metal composite and method of preparing the same, metal-resin composite and method of preparing the same |
| 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 |
-
2014
- 2014-11-28 CN CN201410701233.4A patent/CN104494040B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196008A (en) * | 1995-08-16 | 1998-10-14 | 诺思路·格鲁曼公司 | Ceramic liner infiltrated with pre-ceramic polymer resin |
| US20040104507A1 (en) * | 2002-11-25 | 2004-06-03 | Max Gmur | Process for producing a tool insert for injection molding a part with single-stage microstructures |
| CN103158227A (en) * | 2011-12-15 | 2013-06-19 | 鸿富锦精密工业（深圳）有限公司 | Complex and manufacturing method thereof |
| WO2013178057A1 (en) * | 2012-05-28 | 2013-12-05 | Shenzhen Byd Auto R&D Company Limited | Metal composite and method of preparing the same, metal-resin composite and method of preparing the same |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104494040B (en) | 2016-08-24 |
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Granted publication date: 20160824 Termination date: 20181128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |