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Production technology transfer of Acrylic anodic electrophoretic coating for aluminum alloy profiles
Ⅰ.Brief introduction of technical Achievements
Color electrophoretic painting is now in the late eighty s on
international development in the early ninety s finishing metal
surface treatment technology, compared with the traditional
electroplating, spray paint, paint, the technology is advanced,
the product color is gorgeous, even elegant appearance, the
appearance of far more than any other coating method,
processing cost, quality of a higher class, Is a kind of advanced
decorative coating, will become the dominant finishing
technology in the future, to meet the high-grade requirements
of modern society for the appearance of decorative materials.
Color electrophoretic coating has the following advantages:
1. High corrosion resistance: the paint film can resist the
corrosion of general chemicals, oxidation, excellent uv
resistance and heat resistance, resistance to all kinds of
climate performance, corrosion resistance increased by more
than ten times;
2. Excellent mechanical properties: excellent flexibility, high
adhesion, strong impact resistance;
3. High quality coating: paint film thickness, color completely
uniform, coating and metal integrated, as color metal general, decorative effect is good, can improve the grade and added
value of products, obvious economic benefits;
4. High efficiency, low energy consumption, low consumption:
no matter the shape and size of the coating parts are complex,
the coating can be completed in a few minutes, the processing
speed is fast, the utilization rate of coating by spraying 40% to
about 98%, excellent process performance;
5. Low pollution: Color electrophoretic paint with water as the
main solvent, the process is completely non-toxic and
pollution-free, because of the use of semi-closed and fully
closed closed loop design to recover electrophoretic paint,
water pollution is reduced to the minimum, fundamentally
eliminate the pollution of environmental emissions. Therefore,
the new process of electrophoresis is regarded as a revolution of coating industry.
At present, Europe and the United States, Britain, Japan and
other developed countries 80% spray paint technology has been
replaced by color electrophoresis, the technology has been
developed by leaps and means, making the metal surface
finishing reached a new level.
In the aluminum profile industry, although color spraying
aluminum color, but its own shortcomings will eventually limit
its development. At present, color electrophoresis has been
popular in Japan, it will gradually replace color spraying
aluminum profiles, become the first selection of building
aluminum doors and Windows.
Color electrophoretic project with high efficiency, low
consumption, low energy consumption, low pollution, the
characteristics of aluminum special color electrophoretic paint
production in domestic is almost blank, color electrophoresis
series product development, not only to fill the domestic blank,
remarkable economic benefit and social benefit can be
obtained at the same time, market outlook is optimistic, in
accordance with the international trend of environmental
protection. Therefore, it is an investment project with great
development potential.
At present, we can provide transferable color electrophoretic
paint technology: ivory electrophoretic paint, ivory
electrophoretic paint, dark green electrophoretic paint, silver
gray, pearl (metallic luster is also called crystal) and other
colors.
Ⅱ.Product technical index and characteristic
1. Quality index of original paint
Test item | Product standard | test strip |
Outside | Paste color | visual |
Solid fraction﹙％﹚ | 70±2 | 105℃，3h |
Viscosity | 3500±1500 CPS | 25℃ |
Acid value | 44±5 | YS/T 728-2010 Appendix F |
Amine value | 16±5 | YS/T 728-2010 Appendix E |
2. Quality index of working tank liquid
Inspection item | process parameters | Inspection method |
Outside | Paste color | visual |
Solid fraction (%) | 6±1 | 105℃，3h |
PH value (25 ℃) | 7.6 ~ 7.9 | pH meter, 6% solid |
Conductivity (μS /cm) | 550 ~ 950 | conductivity meter, 6% solid |
Acid value | 44±3 | YS/T 728-2010 Appendix F |
Amine value | 20±3 | YS/T 728-2010 Appendix E |
Solution A | 0.8 ~ 2.5% | gas chromatography |
Solution B | 0.5 ~ 1.5% | gas chromatography |
3. Coating process parameters
Process indicators | Process parameters |
Coating voltage (V) | 90 ~ 140 |
Coating time (S) | 90 ~ 150 |
Film curing condition (℃/min) | 180～200/30 |
浴温（℃） | 21±2 |
4. coating quality technical indicators
The test items | Quality technical index | Inspection methods |
Outside view | Smooth and flawless | Eye test |
Film thickness (μm) | 10 ~ 15 | GB 5237.3-2008 |
Glossiness (60). | > 90 | GB 5237.3-2008 |
Pencil hardness (H) | 3 ~ 5 | GB 5237.3-2008 |
Adhesion (grid method, level) | 0 | GB 5237.3-2008 |
Alkali resistance | qualified | GB 5237.3-2008 |
Acid resistance | qualified | GB 5237.3-2008 |
Boiling water resistance (H, ≥) | ＞5 | GB 5237.3-2008 |
Impact strength (cm) | qualified | GB 5237.3-2008 |
5. Packaging and storage
(1) Packaging :25L or 200L plastic bucket;
(2) Storage: When storing this product, it should be kept
ventilated and dry, prevented from direct sunlight, away from
heat source and fire source, and also prevented from freezing
under low temperature in winter. The product can be stored for
12 months at 0 ~ 30℃ from the date of production.Products
beyond the storage period should be tested to determine
whether to continue to use.
Ⅲ. Application field, market prospect and industrial production conditions of project products
Color electrophoretic coating is mainly used for electrophoretic coating of aluminum alloy building profiles. It is one of the coatings needed by aluminum profile factory, each ton of aluminum needs about 15 ~ 18 kg of coating, and the aluminum processing plant with a monthly output of 1000 tons of aluminum profiles consumes about 16 tons of electrophoretic coating, which has a large market demand and broad application prospect.
The production equipment and process of color electrophoretic coating for aluminum profiles are relatively simple, mainly the reaction kettle and peripheral equipment, simple packaging equipment, equipment investment is less, the production process is easy to master.
Ⅳ.Analysis of technical and economic benefit of
project industrialization and environmental evaluation
The gross profit of color electrophoretic coating for aluminum
profiles is 8500-9000 yuan per ton. It is easy to buy raw
materials in the market, and mass production forms a scale
with good economic benefits.
The raw materials of color electrophoretic coating for
aluminum profiles are non-toxic common chemical raw
materials, and there is no waste water, waste gas and waste
residue discharge in the production process, which will not
pollute the environment.
Ⅴ. Methods of technology transfer and cooperation
Transferable product varieties: ivory electrophoretic paint,
ivory electrophoretic paint, dark green electrophoretic paint,
silver gray, pearlescent (metallic luster is also called crystal
swim) and other colors.
One-time technology transfer, provide a full set of technical
formula, production process, equipment list and raw material
procurement manufacturers, construction specifications, etc.
Can study in my company, on-site training, learn so far.
Engineers can also be sent to provide on-site technical services
to guide the production of qualified products. At the same time, we can provide a complete set of solutions such as plant and
equipment selection, how to promote the market, raw material
procurement, how to make color plate, how to reduce
production cost and improve production efficiency, so that you
can put into production in the shortest time and make profits
quickly. You can change the formula as needed. And a
professional engineer consultant, can long-term tracking
technical guidance, remove worries.
Detailed project feasibility analysis report on request.
Product technology for large-scale production of mature
technology, technology transfer fee call to discuss.
Color acrylic anodic electrophoretic paint
Color acrylic anodic electrophoretic paint
Color electrophoretic aluminum alloy profiles
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