CN106222727B - A kind of regulator for adjustment silver powder effect in the decorative electrophoretic paint coating process containing silver powder - Google Patents
A kind of regulator for adjustment silver powder effect in the decorative electrophoretic paint coating process containing silver powder Download PDFInfo
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- CN106222727B CN106222727B CN201610742800.XA CN201610742800A CN106222727B CN 106222727 B CN106222727 B CN 106222727B CN 201610742800 A CN201610742800 A CN 201610742800A CN 106222727 B CN106222727 B CN 106222727B
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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
- C25D13/00—Electrophoretic coating characterised by the process
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to electrophoresis coating technique technical fields, are specifically related to a kind of for adjusting the regulator of silver powder effect in the decorative electrophoretic paint coating process containing silver powder.It is by 0.01~1 part of TMDD, 0.1~10 part of organic sequestering agent and complements to 100 parts of pure water and is made.Organic sequestering agent is added into the pure water of half amount, 10~25min is stirred；It is subsequently added into the other half pure water, is then stirred 5~10min, is eventually adding TMDD, is stirred and is adjusted agent.Regulator is added in the rinsing bowl before finally washing i.e. electrophoretic paint drying after electrophoresis together by the present invention, levelling of the electrophoretic paint after drying can be effectively promoted, the especially electrophoretic paint of metallic paint effect, silver powder the aligning in dry solidification in electrophoretic paint can be effectively promoted, prevent aluminium paint floating, black, mottled uneven phenomenon occurs.
Description
Technical field
The present invention relates to electrophoresis coating technique technical fields, are specifically related to a kind of for the decorative electrophoretic paint containing silver powder
The regulator of silver powder effect is adjusted in coating process.
Background technique
In the prior art, the electrophoretic paint containing decorative silver powder is often difficult to reach the effect of the decoration containing decorative silver powder oil paint
Fruit, the aligning property of silver powder is poor after the electrophoretic paint containing decorative silver powder solidifies, floating easy to form, nigrescence, mottled unevenness
Phenomena such as, product appearance dicoration is seriously affected, although by adding some levelling agents in electrophoretic paint, wetting agent or to silver powder
Surface is modified processing, is still extremely difficult to preferable effect.
Baking and curing is only carried out by washing after conventional electrophoretic paint electrophoretic painting, but is directed to for the electrophoretic paint of silver powder,
The silver powder in electrophoretic paint after this process cannot align well in dry solidification, and appearance is poor, limit
The electrophoretic paint containing decorative silver powder has been made to promote and develop.
Summary of the invention
The purpose of the present invention is to provide a kind of for adjusting silver powder effect in the decorative electrophoretic paint coating process containing silver powder
The regulator of fruit can further promote silver powder the aligning in dry solidification in electrophoretic paint, and then improve product decoration
Effect.
To achieve the above object, the invention adopts the following technical scheme:
A kind of decorative electrophoretic paint coating process containing silver powder, steps are as follows:
1., degreasing: workpiece enter degreasing bath carry out degreasing, skimming temp be 40~60 DEG C, the time be 2~5min, basicity
For 9pt~13pt；
2., washing: by the workpiece of degreasing enter clear water reserviors washing, water quality requirement is tap water, conductivity < 100, temperature
For room temperature, washing time is 1~5min；
3., phosphatization: the workpiece by washing enters phosphating pond phosphatization, and free acid is 0.7~1.1 point, and total acid is 18~25
Point, Standard fermentation pipe air ml are 1~3ml3, phosphating time is 1~5min；
4., washing: will enter pure water pond by parkerized workpiece and embathe, pure water water quality requirement is that conductivity is≤50
μ S/ ㎝, embathing temperature is room temperature, and scavenging period is 1~5min；
5., electrophoresis: through the workpiece that pure water embathes enter tiselius apparatus carry out electrophoresis, when workpiece enters electrophoresis tank, start pole liquid
It recycles while starting DC power supply；
6., ultrafiltration water washing: by the workpiece of electrophoresis enter ultrafiltration spray room spraying-rinsing, water quality requirement be ultrafiltration water power
Conductance is≤60 μ S/ ㎝, and temperature is room temperature, and spray time is 1~5min；
7., adjustment agent solution cleaning: the workpiece sprayed through ultrafiltration, into rinse bath clean, cleaning temperature is room temperature, clearly
Washing the time is 1~5min；It is equipped with regulator in rinse bath, must not be washed after cleaning；
8., baking and curing: the workpiece through over cleaning enter drying room carry out baking and curing, heating zone air themperature be 160
~190 DEG C, heat preservation zone air themperature is 190~210 DEG C, and time of the workpiece in heat preservation zone is not less than 10 minutes.
The step 7. in regulator be made of the raw material of following parts by weight:
0.01~1 part of 2,4,7,9- tetramethyl -5- decine -4,7- glycol (abbreviation TMDD)
0.1~10 part of organic sequestering agent
Pure water complements to 100 parts.
Preferably, the step 7. in regulator be made of the raw material of following parts by weight:
0.05~0.8 part of 2,4,7,9- tetramethyl -5- decine -4,7- glycol (abbreviation TMDD)
1~5 part of organic sequestering agent
Pure water complements to 100 parts.
It is further preferred that the step 7. in regulator be made of the raw material of following parts by weight:
0.6 part of 2,4,7,9- tetramethyl -5- decine -4,7- glycol (abbreviation TMDD)
3 parts of organic sequestering agent
96.4 parts of pure water.
The organic sequestering agent is EDTA-2Na, HEDP or sodium gluconate.
The step 7. in regulator preparation method:
Organic sequestering agent is added into the pure water of half amount, 10~25min is stirred；It is subsequently added into the pure of the other half
Then water is stirred 5~10min, be eventually adding 2,4,7,9- tetramethyl -5- decine -4,7- glycol (abbreviation TMDD), stirring
10~30min of mixing is adjusted agent.
Beneficial effects of the present invention are shown:
Regulator is added in the rinsing bowl before finally washing i.e. electrophoretic paint drying after electrophoresis together, electricity can be effectively promoted
Levelling of the swimming paint after drying, the especially electrophoretic paint of metallic paint effect, can effectively promote the silver powder in electrophoretic paint in drying
Aligning when solidification prevents aluminium paint floating, blacks, and mottled uneven phenomenon occurs.
Specific embodiment
Below with reference to embodiment, the present invention is described in detail.But embodiment content is only to this hair
Bright example and explanation, affiliated those skilled in the art do various repair to described specific embodiment
Change or supplement or be substituted in a similar manner, as long as it does not deviate from the concept of invention or surmounts defined in the claims
Range is within the scope of protection of the invention.
Embodiment 1
A kind of decorative electrophoretic paint coating process containing silver powder, steps are as follows:
1., degreasing: workpiece enter degreasing bath carry out degreasing, skimming temp be 50 DEG C, time 3min, basicity 11pt.
2., washing: by the workpiece of degreasing enter clear water reserviors washing, water quality requirement is tap water, conductivity < 100, temperature
For room temperature, washing time 3min.
3., phosphatization: the workpiece by washing enters phosphating pond phosphatization, and free acid is 0.9 point, and total acid is 20 points, standard hair
Ferment pipe air ml is 3ml3, phosphating time 2min.
4., washing: will enter pure water pond by parkerized workpiece and embathe, pure water water quality requirement is that conductivity is≤50
μ S/ ㎝, embathing temperature is room temperature, scavenging period 1min.
5., electrophoresis: through the workpiece that pure water embathes enter tiselius apparatus carry out electrophoresis, when workpiece enters electrophoresis tank, start pole liquid
It recycles while starting DC power supply.
6., ultrafiltration water washing: by the workpiece of electrophoresis enter ultrafiltration spray room spraying-rinsing, water quality requirement be ultrafiltration water power
Conductance is 50 μ S/ ㎝, and temperature is room temperature, spray time 2min.
7., adjustment agent solution cleaning: the workpiece sprayed through ultrafiltration, into rinse bath clean, cleaning temperature is room temperature, clearly
Washing the time is 3min.Be equipped with regulator in rinse bath, must not be washed after cleaning, regulator the preparation method comprises the following steps: by 3 parts of EDTA-
2Na is added into the pure water of half amount, is stirred 20min.It is subsequently added into the other half pure water, is then stirred 5min,
It is eventually adding 0.6 part 2,4,7,9- tetramethyl -5- decine -4,7- glycol (abbreviation TMDD) are stirred 15min and are adjusted
Agent.
8., baking and curing: the workpiece through over cleaning enter drying room carry out baking and curing, heating zone air themperature be 180
DEG C, heat preservation zone air themperature is 200 DEG C, drying time 30min.
Embodiment 2
A kind of decorative electrophoretic paint coating process containing silver powder, steps are as follows:
1., degreasing: workpiece enter degreasing bath carry out degreasing, skimming temp be 45 DEG C, time 2min, basicity 9pt.
2., washing: by the workpiece of degreasing enter clear water reserviors washing, water quality requirement is tap water, conductivity < 100, temperature
For room temperature, washing time 1min.
3., phosphatization: the workpiece by washing enters phosphating pond phosphatization, and free acid is 0.9 point, and total acid is 22 points, standard hair
Ferment pipe air ml is 1ml3, phosphating time 1min.
4., washing: will enter pure water pond by parkerized workpiece and embathe, pure water water quality requirement is that conductivity is≤50
μ S/ ㎝, embathing temperature is room temperature, scavenging period 3min.
5., electrophoresis: through the workpiece that pure water embathes enter tiselius apparatus carry out electrophoresis, when workpiece enters electrophoresis tank, start pole liquid
It recycles while starting DC power supply.
6., ultrafiltration water washing: by the workpiece of electrophoresis enter ultrafiltration spray room spraying-rinsing, water quality requirement be ultrafiltration water power
Conductance is 55 μ S/ ㎝, and temperature is room temperature, spray time 3min.
7., adjustment agent solution cleaning: the workpiece sprayed through ultrafiltration, into rinse bath clean, cleaning temperature is room temperature, clearly
Washing the time is 2min.Be equipped with regulator in rinse bath, must not be washed after cleaning, regulator the preparation method comprises the following steps: by 5 parts of glucose
Sour sodium is added into the pure water of half amount, is stirred 10min.It is subsequently added into the other half pure water, is then stirred
10min, is eventually adding 0.05 part 2, and 4,7,9- tetramethyl -5- decine -4,7- glycol (abbreviation TMDD) are stirred 10min and obtain
To regulator.
8., baking and curing: the workpiece through over cleaning enter drying room carry out baking and curing, heating zone air themperature be 190
DEG C, heat preservation zone air themperature is 210 DEG C, drying time 35min.
Claims (1)
1. a kind of for adjusting the regulator of silver powder effect in the decorative electrophoretic paint coating process containing silver powder, it is characterised in that by
The raw material of following parts by weight is made:
0.6 part of glycol of -5- decine -4,7- of 2,4,7,9- tetramethyl
3 parts of organic sequestering agent
96.4 parts of pure water；
The organic sequestering agent is EDTA-2Na, HEDP or sodium gluconate；
The preparation method of the regulator: organic sequestering agent is added into the pure water of half amount, 10~25min is stirred；
It is subsequently added into the other half pure water, is then stirred 5~10min, is eventually adding 2,4,7,9- tetramethyl -5- decine -4,7-
Glycol is stirred 10~30min and is adjusted agent；
Decorative electrophoretic paint coating process is carried out using the regulator, steps are as follows:
1., degreasing: workpiece enter degreasing bath carry out degreasing, skimming temp be 40~60 DEG C, the time be 2~5min, basicity 9pt
~13pt；
2., washing: by the workpiece of degreasing enter clear water reserviors washing, water quality requirement is tap water, and conductivity < 100, temperature is room
Temperature, washing time are 1~5min；
3., phosphatization: the workpiece by washing enters phosphating pond phosphatization, and free acid is 0.7~1.1 point, and total acid is 18~25 points, mark
Quasi- fermentation tube air ml is 1~3ml3, phosphating time is 1~5min；
4., washing: will enter pure water pond by parkerized workpiece and embathe, pure water water quality requirement is that conductivity is≤50 μ S/
㎝, embathing temperature is room temperature, and scavenging period is 1~5min；
5., electrophoresis: through the workpiece that pure water embathes enter tiselius apparatus carry out electrophoresis, when workpiece enters electrophoresis tank, starting pole liquid circulation
Start DC power supply simultaneously；
6., ultrafiltration water washing: by the workpiece of electrophoresis enter ultrafiltration spray room spraying-rinsing, water quality requirement be ultrafiltration water conductivity
For≤60 μ S/ ㎝, temperature is room temperature, and spray time is 1~5min；
7., adjustment agent solution cleaning: the workpiece sprayed through ultrafiltration is cleaned into rinse bath, and cleaning temperature is room temperature, when cleaning
Between be 1~5min；It is equipped with regulator in rinse bath, must not be washed after cleaning；
8., baking and curing: the workpiece through over cleaning enter drying room carry out baking and curing, heating zone air themperature be 160~190
DEG C, heat preservation zone air themperature is 190~210 DEG C, and time of the workpiece in heat preservation zone is not less than 10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742800.XA CN106222727B (en) | 2016-08-27 | 2016-08-27 | A kind of regulator for adjustment silver powder effect in the decorative electrophoretic paint coating process containing silver powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742800.XA CN106222727B (en) | 2016-08-27 | 2016-08-27 | A kind of regulator for adjustment silver powder effect in the decorative electrophoretic paint coating process containing silver powder |
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| Publication Number | Publication Date |
|---|---|
| CN106222727A CN106222727A (en) | 2016-12-14 |
| CN106222727B true CN106222727B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610742800.XA Active CN106222727B (en) | 2016-08-27 | 2016-08-27 | A kind of regulator for adjustment silver powder effect in the decorative electrophoretic paint coating process containing silver powder |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410493A (en) * | 2001-10-01 | 2003-04-16 | 气体产品与化学公司 | Alkanodiol foam control agent |
| CN105440238A (en) * | 2014-09-18 | 2016-03-30 | 赢创德固赛有限公司 | Addition compounds suitable as dispersants or anti-sedimentation agents |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088393B (en) * | 2013-01-07 | 2015-08-26 | 昆山田盛汽车配件有限公司 | A kind of automobile panel surface treatment method |
-
2016
- 2016-08-27 CN CN201610742800.XA patent/CN106222727B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410493A (en) * | 2001-10-01 | 2003-04-16 | 气体产品与化学公司 | Alkanodiol foam control agent |
| CN105440238A (en) * | 2014-09-18 | 2016-03-30 | 赢创德固赛有限公司 | Addition compounds suitable as dispersants or anti-sedimentation agents |
Non-Patent Citations (1)
| Title |
|---|
| 水性汽车漆表面缺陷的消除;Reinartz,Roger et al.;《上海涂料》;20080331(第03期);35-38 |
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| CN106222727A (en) | 2016-12-14 |
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