CN102787336B - One carries out electric plating method on plastic parts - Google Patents
One carries out electric plating method on plastic parts Download PDFInfo
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- CN102787336B CN102787336B CN201110126254.4A CN201110126254A CN102787336B CN 102787336 B CN102787336 B CN 102787336B CN 201110126254 A CN201110126254 A CN 201110126254A CN 102787336 B CN102787336 B CN 102787336B
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Abstract
One carries out electric plating method on plastic parts, comprises the following steps and technique: defat �� pickling �� drying �� printing drying �� defat �� alkali cleaning �� pickling �� catalysis �� copper facing �� pickling �� alkali cleaning �� catalysis �� nickel plating �� sealing of hole is dried. The described electric plating method that carries out on plastic parts is applicable to various different plastic materials, the plastic material range of choice making to need the plastic parts carrying out metal plating to be suitable for more extensively, cost of manufacture reduction; Making time of product development accelerate, exploitation, expense of manufacturing reduce, and product cost reduces; Be conducive to the realization that product ultrathin design etc. requires.
Description
Technical field
The present invention relates to a kind of electro-plating method, particularly relate to one on plastic parts, carry out electric plating method.
Background technology
It is widely used in each electronic product such as mobile phone with the parts of plastic material molding, but plastic material is due to characteristics such as surface energy are low, can not directly adhere to upper electrodeposition of metals with the parts of plastic material molding, namely be not suitable for Direct Electroplating metal. and apply the part electronic product outward appearance for product of plastic material profiled part, the consideration of the factors such as performance, need the local of plastic material profiled part or specific part on adhere to electrodeposition of metals, following a few class is had: a kind of method is radium-shine plating (LDS) in method conventional at present, special plastic material is selected to manufacture plastic rubber shaping parts, Metal Palladium is added inside plastic material, the method is adopted to have the disadvantage that (1) material requirements special source narrow range, the scope of application is not wide, containing Metal Palladium production cost height inside plastic cement, (2) radium-shine equipment price is expensive, and product cost is high. another kind of method is to adopt dual injection, namely vertical use is organized again after the part material different with plastic parts body of plating of having to being carried out dual injection, group is vertical to be coordinated because relating to adopt the method to have the disadvantage that (1), needing when product design, correcting to carry out repeatedly mould correction, the time is long, (2) dual injection die cost increases, and increases the vertical expense of product group, and product cost improves, (3) adopting and can not accomplish for those tiny parts when dual injection, can only carrying out dual injection for some possible part, also can only accomplish in appearance to do one's best, the suitability is limited.
Summary of the invention
The technical problem to be solved is to provide and a kind of carries out electric plating method on plastic parts so that need the plastic material range of choice that the plastic parts carrying out metal plating are suitable for more extensively, cost of manufacture reduction; Making time of product development accelerate, exploitation, expense of manufacturing reduce, and product cost reduces; Be conducive to the realization that product ultrathin design etc. requires.
The technical solution adopted for the present invention to solve the technical problems is: one carries out electric plating method on plastic parts, comprises the following steps and technique:
(1) defat:
Plastic parts is put into degreasing degreasing in oil removing solution, takes out after degreasing degreasing and wash;
(2) pickling:
Put in acid solution after plastic parts washing and clean, take out after cleaning and wash;
(3) dry:
Plastic parts after cleaning is dried, takes out after drying;
(4) printing, drying:
1. steel plate makes: according to plastic parts specification and requirement, make the steel plate that printing is required;
2. ink modulation: the quantity according to the method for printing, printing, selects the component of suitable diluent and diluent, modulates the ink that printing is required;
3. 3D printing, drying:
Ink is used plastic parts to be printed and dries refrigeration;
(5) defat:
Printing, dried plastic parts are placed in degreasing degreasing in oil removing solution, take out after degreasing degreasing and wash;
(6) alkali cleaning:
It is placed in alkaline solution and cleans after plastic parts washing, take out after cleaning and wash;
(7) pickling:
It is placed in acid solution and cleans after plastic parts washing, take out after cleaning and wash;
(8) catalysis:
It is placed in catalytic solution catalytic treatment after plastic parts washing, takes out after catalysis and wash;
(9) copper facing:
It is placed in copper facing medicinal liquid and carries out electro-coppering after plastic parts washing, take out after reaching required copper metal layer thickness and wash;
(10) pickling:
It is placed in acid solution and cleans after plastic parts washing, take out after cleaning and wash;
(11) alkali cleaning:
It is placed in sodium hydroxide solution and cleans after plastic parts washing, take out after cleaning and wash;
(12) catalysis:
It is placed in catalytic solution catalytic treatment after plastic parts washing, takes out after catalysis and wash;
(13) nickel plating:
It is placed in nickel plating medicinal liquid and carries out electronickelling after plastic parts washing, take out after reaching required nickel metal layer thickness and wash;
(14) sealing of hole, drying:
Plastic parts after Ni plated, washing is loaded cylinder and puts into immersion in pore-sealing liquid;
Plastic parts after sealing of hole is washed, takes out after product dehydrate, drying after washing.
Compared with prior art, the beneficial effects of the present invention is: electric plating method should be carried out on plastic parts and be applicable to various different plastic materials, the plastic material range of choice making to need the plastic parts carrying out metal plating to be suitable for more extensively, cost of manufacture reduction; Making time of product development accelerate, exploitation, expense of manufacturing reduce, and product cost reduces; Be conducive to the realization that product ultrathin design etc. requires (3D one plate-making can be carried out when plastic parts plated PC, during design plate-making, motility is strong, the benefit that product has ultrathin designing requirement is especially prominent, such as at mobile phone ultrathin, when antenna amount increases, can be arranged on shell by disposable for multiple antennas, it is possible to select multiple method of attachment and multi-frequency antenna is installed simultaneously).
Accompanying drawing explanation
Fig. 1 is a kind of process chart carrying out electric plating method on plastic parts provided by the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Referring to accompanying drawing 1, one carries out electric plating method on plastic parts, comprises the following steps and technique:
(1) defat:
Plastic parts is put into Special cleaning gauze, is placed on temperature 35��45 DEG C, degreasing degreasing in the oil removing solution of concentration 80��120g/L, takes out after shake 2��3 minutes degreasing degreasings of immersion back and forth and carries out 3 road washings;
(2) pickling:
Put in concentration 10��12% sulfuric acid solution after plastic parts washing and clean, take out after cleaning 6��8 seconds and carry out 3 road washings;
(3) dry:
Put into oven cooking cycle, temperature 40��60 DEG C, 30 minutes time by cleaning complete plastic parts, take out after drying;
(4) printing, drying:
1. steel plate makes: according to plastic parts specification and requirement, make the steel plate that printing is required; On steel plate, the circuit of desired depth is such as carved with CNC; Also can carrying out 3D one plate-making, during design plate-making, motility is strong;
2. ink modulation: the quantity according to the method for printing, printing, select the component of suitable diluent and diluent, modulating the ink that printing is required, what employing printing equipment (such as pad printer) was printed to be also arranged on printing equipment by the ink modulated; From refrigerator, such as take out ink, open sealing and lid, weigh 50g ink with electronics with Glass rod hand operated mixing after 8��10 minutes; Add 80ml acetone in lubricating cup toward adjusting, and pour in lubricating cup after stirring 8��10 minutes and be mounted in pad printer;
3. 3D printing, drying:
A. turn on the power switch, air pressure is set 4��6kg/cm2And start;
B. the fixture of equipment, glue head, steel plate, ink are debugged;
C. by product to be printed and be placed on trachea place and blow examination (preventing product surface from having dust, chip etc.);
D. start printed switches button, start printing, after glue head is lifted off, from fixture, takes off product, and whether self-inspection has the bad phenomenon such as printing imperfect, broken string, off normal rapidly;
E. the product printed neatly is put into drip pan, temperature 100 DEG C, 60 minutes time, after drying, takes out test package;
F. freezing to room temperature with fan after drying, product is electroplated again;
(5) defat:
Printing, dried plastic parts are loaded cylinder and be positioned over temperature 35��45 DEG C, degreasing degreasing in the oil removing solution of concentration 80��120g/L, cylinder: 5 revs/min, takes out after soaking 2-3 minute degreasing degreasing and washes;
(6) alkali cleaning:
Load cylinder after plastic parts washing and be positioned over temperature 45 C, the alkaline solution of sodium hydroxide of concentration 40g/L is cleaned, cylinder: (5 �� 1) rev/min, take out after cleaning 50 seconds and wash;
This caustic scrubbing step is except with temperature 45 C, and the alkaline solution of sodium hydroxide of concentration 40g/L carries out outside alkali cleaning, it is possible to use other alkaline solution that can be effective carries out alkali cleaning (such as temperature 45 C, the sodium cyanide solution of concentration 40g/L);
(7) pickling:
Loading cylinder after plastic parts washing and be positioned over temperature 35 DEG C, volume proportion is: sulphuric acid 5%, hydrogen peroxide 3%, cleans, cylinder: (5 �� 1) rev/min, take out and wash after cleaning 50 seconds in the acid solution of water 92%;
(8) catalysis:
Loading cylinder after plastic parts washing and be positioned over temperature 40 DEG C, hydrochloric acid 50g/l, catalytic treatment in the solution of Palladous chloride. 0.01g/l mixing, cylinder: (5 �� 1) rev/min, catalysis is taken out after 1.5-2 minute and is washed;
(9) copper facing:
After plastic parts washing, loading cylinder is positioned over temperature is 58 DEG C, the copper facing medicinal liquid that copper sulfate 16g/l, sodium potassium tartrate tetrahydrate 14g/l, tetraacethyl sodium diacelate 19.5g/l, sodium hydroxide 14.5g/l, 32% formaldehyde 15g/l mix carries out electro-coppering, cylinder: (5 �� 1) rev/min, takes out after reaching required copper metal layer thickness and washes;
(10) pickling:
Loading cylinder after plastic parts washing and be positioned over temperature 35 DEG C, volume proportion is: sulphuric acid 5%, hydrogen peroxide 3%, cleans, cylinder: (5 �� 1) rev/min in the acid solution of water 92%, takes out and wash after cleaning the 15-20 second;
(11) alkali cleaning:
Load cylinder after plastic parts washing and be positioned over temperature 45 C, the alkaline solution of sodium hydroxide of concentration 40g/L is cleaned, cylinder: (5 �� 1) rev/min, take out after cleaning 50 seconds and wash;
This caustic scrubbing step is except with temperature 45 C, and the alkaline solution of sodium hydroxide of concentration 40g/L carries out outside alkali cleaning, it is possible to use other alkaline solution that can be effective carries out alkali cleaning (such as temperature 45 C, the sodium cyanide solution of concentration 40g/L);
(12) catalysis:
Loading cylinder after plastic parts washing and be positioned over temperature 40 DEG C, hydrochloric acid 50g/l, catalytic treatment in the solution of Palladous chloride. 0.01g/l mixing, cylinder: (5 �� 1) rev/min, catalysis is taken out after 1.5-2 minute and is washed;
(13) nickel plating:
After plastic parts washing, loading cylinder is positioned over temperature is 88 DEG C, nickel sulfate 0.095mol/l, sodium hypophosphite 0.227mol/l, sodium succinate 0.135mol/l, malic acid 0.179mol/l, pH value be 6.2-6.6 nickel plating medicinal liquid in carry out electronickelling, cylinder: (5 �� 1) rev/min, takes out after reaching required nickel metal layer thickness and washes;
(14) sealing of hole, drying:
Plastic parts after Ni plated, washing is loaded cylinder and puts into immersion, cylinder: (5 �� 1) rev/min in pore-sealing liquid;
Plastic parts after sealing of hole is carried out 5 road washings, after washing, product is taken out and be put in clean screen cloth, be placed in dewaterer and get rid of and in bucket, carry out dehydration in 10 minutes, product need to be kept during dehydration to be evenly distributed on and get rid of in bucket; Uniformly being positioned over by product in grill box after dehydration and put into dehydrator baking, temperature is 60 DEG C, 1 hour time, and product takes out after drying.
Claims (7)
1. on plastic parts, carry out an electric plating method, comprise the following steps and technique:
(1) defat:
Plastic parts is put into degreasing degreasing in oil removing solution, takes out after degreasing degreasing and wash;
(2) pickling:
Put in acid solution after plastic parts washing and clean, take out after cleaning and wash;
(3) dry:
Plastic parts after cleaning is dried, takes out after drying;
(4) printing, drying:
1. copper coin makes: according to plastic parts specification and requirement, make the copper coin that printing is required;
2. ink modulation: the quantity according to the method for printing, printing, selects the component of suitable diluent and diluent, modulates the ink that printing is required;
3. 3D printing, drying:
Ink is used plastic parts to be printed and dries refrigeration:
A. turn on the power switch, air pressure is set as 4��6kg/cm2And start;
B. the fixture of equipment, glue head, copper coin, ink are debugged;
C. by product to be printed and be placed on trachea place and blow examination (preventing product surface from having dust, chip etc.);
D. start printed switches button, start printing, after glue head is lifted off, from fixture, takes off product, and whether self-inspection has the bad phenomenon such as printing imperfect, broken string, off normal rapidly;
E. the product printed neatly is put into drip pan, temperature 100 DEG C, 60 minutes time, after drying, takes out test package;
F. freezing to room temperature with fan after drying, product is electroplated again;
(5) defat:
Printing, dried plastic parts are placed in degreasing degreasing in oil removing solution, take out after degreasing degreasing and wash;
(6) alkali cleaning;
It is placed in alkaline solution and cleans after plastic parts washing, take out after cleaning and wash;
(7) pickling:
It is placed in acid solution and cleans after plastic parts washing, take out after cleaning and wash;
(8) catalysis:
It is placed in catalytic solution catalytic treatment after plastic parts washing, takes out after catalysis and wash:
Loading cylinder after being washed by plastic parts and be positioned over temperature 40 DEG C, hydrochloric acid 50g/L, catalytic treatment in the solution of Palladous chloride. 0.01g/L mixing, cylinder: 5 scholars 1 rev/min, catalysis is taken out after 1.5 to 2 minutes and is washed;
(9) copper facing:
It is placed in copper facing medicinal liquid and carries out electro-coppering after plastic parts washing, take out after reaching required copper metal layer thickness and wash;
(10) pickling:
It is placed in acid solution and cleans after plastic parts washing, take out after cleaning and wash;
(11) alkali cleaning:
It is placed in sodium hydroxide solution and cleans after plastic parts washing, take out after cleaning and wash;
(12) catalysis:
It is placed in catalytic solution catalytic treatment after plastic parts washing, takes out after catalysis and wash:
Loading cylinder after being washed by plastic parts and be positioned over temperature 40 DEG C, hydrochloric acid 50g/L, catalytic treatment in the solution of Palladium monoxide 0.01g/L mixing, cylinder: 5 scholars 1 rev/min, catalysis is taken out after 1.5 to 2 minutes and is washed;
(13) nickel plating:
It is placed in nickel plating medicinal liquid and carries out electronickelling after plastic parts washing, take out after reaching required nickel metal layer thickness and wash;
(14)) sealing of hole, drying:
Plastic parts after Ni plated, washing is loaded cylinder and puts into immersion in pore-sealing liquid;
Plastic parts after sealing of hole is washed, takes out after product dehydrate, drying after washing.
2. according to claim 1 on plastic parts, carry out electric plating method, it is characterized in that: described step (6) is positioned over temperature 45 C for loading cylinder after being washed by plastic parts, the alkaline solution of sodium hydroxide of concentration 40g/L is cleaned, cylinder: 5 scholars 1 rev/min, takes out after cleaning 50 seconds and washes;
This caustic scrubbing step is except with temperature 45 C, and the alkaline solution of sodium hydroxide of concentration 40g/L carries out outside alkali cleaning, it is possible to use other alkaline solution that can be effective carries out alkali cleaning.
3. according to claim 1 on plastic parts, carry out electric plating method, it is characterized in that: described step (7) is positioned over temperature 35 DEG C for loading cylinder after being washed by plastic parts, volume proportion is: sulphuric acid 5%, hydrogen peroxide 3%, the acid solution of water 92% cleans, cylinder: 5 scholars 1 rev/min, takes out after cleaning 50 seconds and washes.
4. according to claim 1 on plastic parts, carry out electric plating method, it is characterized in that: described step (9) is 58 DEG C for after being washed by plastic parts, loading cylinder is positioned over temperature, the copper facing medicinal liquid that copper sulfate 16g/L, sodium potassium tartrate tetrahydrate 14g/L, tetraacethyl sodium diacelate 19.5g/L, sodium hydroxide 14.5g/L, 32% formaldehyde 15g/L mix carries out electro-coppering, cylinder: 5 scholars 1 rev/min, takes out after reaching required copper metal layer thickness and washes.
5. according to claim 1 on plastic parts, carry out electric plating method, it is characterized in that: described step (10) is positioned over temperature 35 DEG C for loading cylinder after being washed by plastic parts, volume proportion is: sulphuric acid 5%, hydrogen peroxide 3%, the acid solution of water 92% cleans, cylinder: 5 scholars 1 rev/min, takes out after cleaning 15 to 20 seconds and washes.
6. according to claim 1 on plastic parts, carry out electric plating method, it is characterized in that: described step (11) is positioned over temperature 45 C for loading cylinder after being washed by plastic parts, the alkaline solution of sodium hydroxide of concentration 40g/L is cleaned, cylinder: 5 scholars 1 rev/min, takes out after cleaning 50 seconds and washes;
This caustic scrubbing step is except with temperature 45 C, and the alkaline solution of sodium hydroxide of concentration 40g/L carries out outside alkali cleaning, it is possible to use other alkaline solution that can be effective carries out alkali cleaning.
7. according to claim 1 on plastic parts, carry out electric plating method, it is characterized in that: described step (13) is 88 DEG C for after being washed by plastic parts, loading cylinder is positioned over temperature, nickel sulfate 0.095mol/L, sodium hypophosphite 0.227mol/L, sodium succinate 0.135mol/L, malic acid 0.179mol/L, pH value be 6.2 to 6.6 nickel plating medicinal liquid in carry out electronickelling, cylinder: 5 scholars 1 rev/min, takes out after reaching required guarantor's metal layer thickness and washes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110126254.4A CN102787336B (en) | 2011-05-16 | 2011-05-16 | One carries out electric plating method on plastic parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110126254.4A CN102787336B (en) | 2011-05-16 | 2011-05-16 | One carries out electric plating method on plastic parts |
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| CN102787336A CN102787336A (en) | 2012-11-21 |
| CN102787336B true CN102787336B (en) | 2016-06-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103225092A (en) * | 2013-05-22 | 2013-07-31 | 南通鑫平制衣有限公司 | Plated copper for plastics |
| CN105239119A (en) * | 2015-11-09 | 2016-01-13 | 芜湖华宇彩晶科技有限公司 | Plastic electroplating spraying method |
| CN107160708B (en) * | 2017-06-28 | 2019-12-20 | 广州奥比亚皮具实业有限责任公司 | Manufacturing method of imitation hardware logo |
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| US5759378A (en) * | 1995-02-10 | 1998-06-02 | Macdermid, Incorporated | Process for preparing a non-conductive substrate for electroplating |
| CN101487133A (en) * | 2008-01-18 | 2009-07-22 | 合谥螺丝五金股份有限公司 | Method for surface printing electroplating |
| KR100954596B1 (en) * | 2009-10-30 | 2010-04-26 | 주식회사 연안테크놀로지 | Plating method for plastic material surface using conductible media by barrel |
| CN102002744A (en) * | 2009-08-31 | 2011-04-06 | 比亚迪股份有限公司 | Plastic electroplating product and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040071880A1 (en) * | 2002-10-10 | 2004-04-15 | Min Aik Color Plating Co. Ltd. | Method of plating on surface of plastic post to printing |
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2011
- 2011-05-16 CN CN201110126254.4A patent/CN102787336B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5759378A (en) * | 1995-02-10 | 1998-06-02 | Macdermid, Incorporated | Process for preparing a non-conductive substrate for electroplating |
| CN101487133A (en) * | 2008-01-18 | 2009-07-22 | 合谥螺丝五金股份有限公司 | Method for surface printing electroplating |
| CN102002744A (en) * | 2009-08-31 | 2011-04-06 | 比亚迪股份有限公司 | Plastic electroplating product and preparation method thereof |
| KR100954596B1 (en) * | 2009-10-30 | 2010-04-26 | 주식회사 연안테크놀로지 | Plating method for plastic material surface using conductible media by barrel |
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Address after: 518128, 1-2 South District, second industrial zone, Xixiang street, Baoan District, Guangdong, Shenzhen Applicant after: SHENZHEN XINHAO PRECISION TECHNOLOGY Co.,Ltd. Address before: 518128, 1-2 South District, second industrial zone, Xixiang street, Baoan District, Guangdong, Shenzhen Applicant before: SHENZHEN XINHAO PRECISE GROUPWARE Co.,Ltd. |
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