CN106958032A - A kind of plastic-aluminum crack cleaning agent - Google Patents
A kind of plastic-aluminum crack cleaning agent Download PDFInfo
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- CN106958032A CN106958032A CN201710360101.3A CN201710360101A CN106958032A CN 106958032 A CN106958032 A CN 106958032A CN 201710360101 A CN201710360101 A CN 201710360101A CN 106958032 A CN106958032 A CN 106958032A
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- sodium
- acid
- cleaning agent
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/243—Chemical after-treatment using organic dyestuffs
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
Abstract
The present invention provides a kind of plastic-aluminum crack cleaning agent, and its formula includes sulfamic acid, sodium gluconate and sodium acid carbonate, and percetage by weight is respectively：Sulfamic acid 30 70%；Sodium gluconate 10 40%；Sodium acid carbonate 8 30%.It is of the invention that main body is done using the preferable sulfamic acid of pollution-free cleaning performance for the first time, antioxidant is introduced for the first time is used as stabilizer, strengthen liquid medicine persistence, cyclic crown ether class consisting of phase-transferring agent is introduced for the first time, further increase cleaning performance, conventional cleaning agent, which can be solved, can not clean residual sour plasma, the problems such as causing subsequently to dye bad, abnormal in crack.
Description
Technical field
The present invention relates to aluminum alloy surface processing auxiliary agent field, espespecially a kind of plastic-aluminum crack cleaning agent.
Background technology
Dyeing sealing of hole is generally carried out after aluminium alloy anode oxide, and can always be remained in porous anode oxide film fraction of
Hydrogen ion, acid ion etc., can gradually be separated out in the acid group carried out in dyeing course mesopore with processing procedure, so as to lead
Cause to produce heterochromatic, influence outward appearance, typically coordinate ultrasonic wave to wash out acid group under conditions of heating using organic acid soln
Come.Inlayed however as aluminum alloy mobile phone shell（Nanometer）The development of Shooting Technique, to solve shielding of the metal shell to signal
Problem, is generally connected metal shell cut-out together by injection again, in order to improve the adhesion of aluminium alloy and resin,
Microporous processing would generally be carried out to aluminium alloy（The patent applied such as us：ZL20151007449.7）, then carry out nanometer note
Modeling, then when carrying out follow-up reanodizing, hydrogen ion, acid ion etc. still can be remained in its micropore, because the knot of plastic cement
Close, cause the ion in now hole to be more difficult to cleaning, conventional cleaning has been unable to thoroughly cleaning totally, frequently can lead to plastic-aluminum combination
, then there is dyeing abnormal afterwards in position acid regurgitation, whiting.
The content of the invention
The present invention is intended to provide a kind of cleaning performance is good, residual sour plasma in crack, the high aluminium of product yield can be cleaned
Mould crack cleaning agent.
In order to realize above-mentioned task, a kind of concrete technical scheme of plastic-aluminum crack cleaning agent of the invention is as follows.
A kind of plastic-aluminum crack cleaning agent, its formula includes sulfamic acid, sodium gluconate and sodium acid carbonate, percetage by weight
Respectively：
Sulfamic acid 30-70%；
Sodium gluconate 10-40%；
Sodium acid carbonate 8-30%.
Described plastic-aluminum crack cleaning agent, it is formulated the cyclodextrin of the ascorbic acid and 5-10% that also include 5-10%.
Formula is preferably included：
Sulfamic acid 40-60%；
Sodium gluconate 15-25%；
Sodium acid carbonate 10-20%；
Ascorbic acid 5-10%；
Cyclodextrin 5-10%.
Optimization formula also includes 0.5-5% polyethylene glycol.
The preferred model Macrogol 6000 # of the polyethylene glycol.
Preferably：The weight fraction ratio of ascorbic acid and cyclodextrin is 1：1；The weight of sodium gluconate and sodium acid carbonate
Than for 4：3；
The preparation method of plastic-aluminum crack cleaning agent is：Sulfamic acid, ascorbic acid are added to successively by weight percentage first
30min is mixed in solid mixer, lower addition sodium acid carbonate is then stirred continuously again, lower addition grape is stirred continuously after adding again
Sodium saccharate, mixes 30min, finally adds cyclodextrin and polyethylene glycol, mixes 30min, and four are extracted respectively not
Same position sample, surveys pH value, PH is 2-3.
The application method of plastic-aluminum crack cleaning agent is：The aluminium alloy mobile phone sheet after injection is taken, it is firmly hung over into titanium alloy
On hanger；Then it is soaked in the special degreasing agent of aluminium；It is soaked in again in sodium hydrate aqueous solution after washing is clean；It is dry through washing again
The environmentally friendly deashing agent of aluminium is soaked in after net；Acid-Fog-Free Chemical Polishing Technology for Aluminum is soaked in again after washing is clean（Dongguan City Hui Ze iceproizations
Work Science and Technology Ltd. CWF-203）In；The environmentally friendly deashing agent of aluminium is soaked in after washing totally again；Put again after washing totally
Enter in sulphuric acid anodizing groove；It is put into again after washing totally in aluminium crack cleaning agent；It is put into again after washing totally
Dyed in staining trough；It is put into again after washing totally in sealing of hole groove and carries out sealing of hole；Finally wash clean rear baking.
Advantage of the invention is that：
1st, the solution of the present invention is to carry out activation shaping to preceding step anodic oxidation pore membrane, dissolves away the miscellaneous portion of anodic oxidation fenestra inner clip
Divide the anode accessory substances such as loose hydrate and hydrogen ion, the acid ion of gap residual etc..
2nd, the weight fraction ratio of the pleasantly surprised discovery of inventor, ascorbic acid and cyclodextrin is 1：1；Sodium gluconate
Weight ratio with sodium acid carbonate is 4：3, cleaning performance is optimal.
3rd, present invention discover that ascorbic acid can improve the cleaning performance of cyclodextrin.
4th, the present invention does main body using the preferable sulfamic acid of pollution-free cleaning performance for the first time, introduces anti-oxidant for the first time
Agent strengthens liquid medicine persistence, cyclic crown ether class consisting of phase-transferring agent is introduced for the first time, further increases cleaning performance as stabilizer,
Conventional cleaning agent, which can be solved, can not clean residual sour plasma, the problems such as causing subsequently to dye bad, abnormal in crack.
5th, it is compared with the prior art, with product after batch anode, dyed again, the product after cleaning agent of the present invention cleaning
Qualification rate brings up to 99-100% from conventional 80-90%.
The mechanism of action of cleaning agent of the present invention：
The porous oxide film progress activation shaping mainly to sulfuric acid formation of cleaning agent, dissolves anodic oxidation fenestra inner clip miscellaneous
Hydrogen ion, sulfate ion, aluminium hydroxide hydrolysate and loose hydrated alumina, make the uniformity of hole inner chamber body
Emerge from, basic pattern tends to be regular consistent, and physical absorption and chemisorbed in order to subsequent dye improve dyeing
Stability and equalization, in particular for plastic-aluminum combine this it is a bit of be easier hide acid position, using the cleaning agent clean
Afterwards, gap location dyeing is bad is reduced to zero substantially..
Embodiment
The present invention is illustrated below by exemplary embodiment.It should be appreciated that the scope of the present invention should not be limited to
The scope of embodiment.Any change or change without departing from present subject matter can be understood by the person skilled in the art.This
The protection domain of invention is determined by scope of the following claims.
First, embodiment
Embodiment 1
The parts by weight of sulfamic acid 40；
The parts by weight of sodium gluconate 25；
The parts by weight of sodium acid carbonate 20；
The parts by weight of ascorbic acid 7；
The parts by weight of cyclodextrin 7.
The parts by weight of Macrogol 6000 # 1.
Sulfamic acid, ascorbic acid are added in solid mixer successively by weight percentage first and mix 30min, so
It is stirred continuously lower addition sodium acid carbonate again afterwards, is stirred continuously lower addition sodium gluconate after adding again, mixes 30min, most
After add cyclodextrin and polyethylene glycol, mix 30min, four diverse locations samplings extracted respectively, pH value are surveyed, PH is 2-
3。
Embodiment 2
The parts by weight of sulfamic acid 50；
The parts by weight of sodium gluconate 20；
The parts by weight of sodium acid carbonate 15；
The parts by weight of ascorbic acid 7；
The parts by weight of cyclodextrin 7.
The parts by weight of Macrogol 6000 # 1.
Sulfamic acid, ascorbic acid are added in solid mixer successively by weight percentage first and mix 30min, so
It is stirred continuously lower addition sodium acid carbonate again afterwards, is stirred continuously lower addition sodium gluconate after adding again, mixes 30min, most
After add cyclodextrin and polyethylene glycol, mix 30min, four diverse locations samplings extracted respectively, pH value are surveyed, PH is 2-
3。
Embodiment 3
The parts by weight of sulfamic acid 60；
The parts by weight of sodium gluconate 15；
The parts by weight of sodium acid carbonate 10；
The parts by weight of ascorbic acid 7；
The parts by weight of cyclodextrin 7.
The parts by weight of Macrogol 6000 # 1.
Sulfamic acid, ascorbic acid are added in solid mixer successively by weight percentage first and mix 30min, so
It is stirred continuously lower addition sodium acid carbonate again afterwards, is stirred continuously lower addition sodium gluconate after adding again, mixes 30min, most
After add cyclodextrin and polyethylene glycol, mix 30min, four diverse locations samplings extracted respectively, pH value are surveyed, PH is 2-
3。
Embodiment 4
The parts by weight of sulfamic acid 55；
The parts by weight of sodium gluconate 15；
The parts by weight of sodium acid carbonate 15；
The parts by weight of ascorbic acid 7；
The parts by weight of cyclodextrin 7.
The parts by weight of Macrogol 6000 # 1.
Sulfamic acid, ascorbic acid are added in solid mixer successively by weight percentage first and mix 30min, so
It is stirred continuously lower addition sodium acid carbonate again afterwards, is stirred continuously lower addition sodium gluconate after adding again, mixes 30min, most
After add cyclodextrin and polyethylene glycol, mix 30min, four diverse locations samplings extracted respectively, pH value are surveyed, PH is 2-
3。
Comparative example 1
The parts by weight of sulfamic acid 50；
The parts by weight of ascorbic acid 20；
The parts by weight of cyclodextrin 20.
The parts by weight of Macrogol 6000 # 10.
Sulfamic acid, ascorbic acid are added in solid mixer successively by weight percentage first and mix 30min, is mixed
Stirring 30min is closed, cyclodextrin and polyethylene glycol is finally added, 30min is mixed, four diverse locations are extracted respectively and are taken
Sample, surveys pH value, PH is 2-3.
Comparative example 2
The parts by weight of sulfamic acid 50；
The parts by weight of sodium gluconate 20；
The parts by weight of sodium acid carbonate 15；
The parts by weight of cyclodextrin 10.
The parts by weight of Macrogol 6000 # 5.
Sulfamic acid is added in solid mixer successively by weight percentage first, lower addition is then stirred continuously again
Sodium acid carbonate, is stirred continuously lower addition sodium gluconate again after adding, mix 30min, finally adds cyclodextrin and poly-
Ethylene glycol, mixes 30min, and four diverse location samplings are extracted respectively, pH value are surveyed, PH is 2-3.
Comparative example 3
The parts by weight of sulfamic acid 50；
The parts by weight of sodium gluconate 20；
The parts by weight of sodium acid carbonate 10；
The parts by weight of ascorbic acid 12；
The parts by weight of cyclodextrin 7.
The parts by weight of Macrogol 6000 # 1.
Sulfamic acid, ascorbic acid are added in solid mixer successively by weight percentage first and mix 30min, so
It is stirred continuously lower addition sodium acid carbonate again afterwards, is stirred continuously lower addition sodium gluconate after adding again, mixes 30min, most
After add cyclodextrin and polyethylene glycol, mix 30min, four diverse locations samplings extracted respectively, pH value are surveyed, PH is 2-
3。
Comparative example 4：Existing commercially available plastic-aluminum cleaning agent.
It is actually used by above example 1-4 and comparative example 1-4 progress, it is as follows in detail：
The mobile phone sheet after nanometer injection will be passed through, 100 * 8 are taken at random, packet is respectively embodiment 1-4 and comparative example 1-4
Group, it is firmly hung on titanium alloy hanger；
Then it is soaked in the special degreasing agent of aluminium（Dongguan City Hui Ze insults Chemical Industry Science Co., Ltd CW-6007）In 300 seconds, temperature
It is set to 60 DEG C；
It is soaked in again in 70g/l sodium hydrate aqueous solution 40 seconds after washing is clean, temperature is set to 65 DEG C；
The environmentally friendly deashing agent of aluminium is soaked in after washing totally again（Dongguan City Hui Ling Chemical Industry Science Co., Ltd CWF-6015）It is molten
40 seconds, normal temperature in liquid；
Acid-Fog-Free Chemical Polishing Technology for Aluminum is soaked in again after washing is clean（Dongguan City Hui Ze insults Chemical Industry Science Co., Ltd CWF-203）
In 30 seconds, temperature is set to 95 DEG C；
The environmentally friendly deashing agent of aluminium is soaked in after washing totally again（Dongguan City Hui Ze insults Chemical Industry Science Co., Ltd CWF-6015）
40 seconds, normal temperature in solution；
It is put into again after washing totally in the sulphuric acid anodizing groove containing 160g/l, in 18 DEG C, 16V 30 points of oxidation at voltages
Clock；
Again through washing it is clean after according to being respectively put into embodiment 1-4 and comparative example 1-4 aluminium crack cleaning agent（East
Tabernaemontanus bulrush city Hui Ze insults Chemical Industry Science Co., Ltd's production）, ultrasonic wave cleaning 3 minutes, temperature is set to 45 DEG C, ultrasonic power 1W/
cm2；
Again staining trough is put into after washing totally（Commercially available TOP SYUTETSUAN）It is interior to be dyed, normal temperature, 1min；
Sealing of hole groove will be put into after washing totally again again（Commercially available TOP SEAL E-110）Interior carry out sealing of hole, 95 DEG C, 1min, most
After washing totally afterwards 30min are toasted at 100 DEG C；
The position of four plastic-aluminum binding sites of mobile phone sheet is observed, 100 mobile phones do not occur the phenomenon such as color exception, uneven, closed
Lattice rate is 100%.（As long as it is as unqualified that color exception at one occur in a piece of four positions of mobile phone）
Found by experimental result, embodiment 1-4 is without there is color exception, and color exception at 13 occurs in comparative example 1, contrast
There is color exception at 5 in example 2, and color exception at 12 occurs in comparative example 3, and color exception at 21 occurs in comparative example 4.
By using discovery, plastic-aluminum crack cleaning agent of the invention is compared with comparative example and existing cleaning agent, with bright
Aobvious advantage.
Examples detailed above only technical concept and feature to illustrate the invention, its purpose is to allow person skilled in the art
Member can understand present disclosure, and it is not intended to limit the scope of the present invention, all according to spirit of the invention institute
The equivalent change or modification done, should all be included within the scope of the present invention.
Claims (8)
1. a kind of plastic-aluminum crack cleaning agent, it is characterised in that：Its formula includes sulfamic acid, sodium gluconate and sodium acid carbonate,
Percetage by weight is respectively：
Sulfamic acid 30-70%；
Sodium gluconate 10-40%；
Sodium acid carbonate 8-30%.
2. plastic-aluminum crack cleaning agent according to claim 1, it is characterised in that：Its formula also includes 5-10% Vitamin C
The cyclodextrin of acid and 5-10%.
3. plastic-aluminum crack cleaning agent according to claim 2, it is characterised in that：Its formula includes sulfamic acid, glucose
Sour sodium, sodium acid carbonate, ascorbic acid and cyclodextrin, percetage by weight is respectively：
Sulfamic acid 40-60%；
Sodium gluconate 15-25%；
Sodium acid carbonate 10-20%；
Ascorbic acid 5-10%；
Cyclodextrin 5-10%.
4. plastic-aluminum crack cleaning agent according to claim 3, it is characterised in that：Formula also includes 0.5-5% poly- second two
Alcohol.
5. plastic-aluminum crack cleaning agent according to claim 4, it is characterised in that：The poly- second two of model of the polyethylene glycol
Alcohol 6000#.
6. plastic-aluminum crack cleaning agent according to claim 4, it is characterised in that：The weight of the ascorbic acid and cyclodextrin
It is 1 to measure score ratio：1；The weight ratio of sodium gluconate and sodium acid carbonate is 4：3.
7. the preparation method of plastic-aluminum crack cleaning agent as claimed in claim 5, it is characterised in that：First by weight percentage according to
Secondary sulfamic acid, ascorbic acid are added in solid mixer mixes 30min, and lower addition bicarbonate is then stirred continuously again
Sodium, is stirred continuously lower addition sodium gluconate again after adding, mix 30min, finally add cyclodextrin and polyethylene glycol,
30min is mixed, four diverse location samplings are extracted respectively, pH value are surveyed, PH is 2-3.
8. the application method of plastic-aluminum crack cleaning agent as claimed in claim 5, it is characterised in that：Take the aluminium alloy hand after injection
Bigpian, it is firmly hung on titanium alloy hanger；Then it is soaked in the special degreasing agent of aluminium；Hydrogen-oxygen is soaked in again after washing is clean
Change in sodium water solution；The environmentally friendly deashing agent of aluminium is soaked in after washing totally again；Aluminium smokeless is soaked in again after washing is clean
Optical polishing agent（Dongguan City Hui Ze insults Chemical Industry Science Co., Ltd CWF-203）In；Aluminium environmental protection is soaked in after washing totally again
Deashing agent；It is put into again after washing totally in sulphuric acid anodizing groove；Again aluminium crack cleaning agent is put into after washing totally
In；It is put into staining trough and is dyed after washing totally again；It will be put into sealing of hole groove and carry out after washing totally again again
Sealing of hole；Finally wash clean rear baking.
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| CN201710360101.3A CN106958032B (en) | 2017-05-20 | 2017-05-20 | A kind of plastic-aluminum crack cleaning agent |
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| CN201710360101.3A CN106958032B (en) | 2017-05-20 | 2017-05-20 | A kind of plastic-aluminum crack cleaning agent |
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| CN108486629A (en) * | 2018-02-09 | 2018-09-04 | 博罗县合航实业有限公司 | Surface conditioner and preparation method thereof |
| CN111041539A (en) * | 2020-01-02 | 2020-04-21 | 杭州和韵科技有限公司 | Aluminum anode oxidation dyeing pre-double-step surface conditioner and preparation and application thereof |
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| CN111041539B (en) * | 2020-01-02 | 2021-07-30 | 杭州和韵科技有限公司 | Aluminum anode oxidation dyeing pre-double-step surface conditioner and preparation and application thereof |
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