Carbon Black For Coating Industrial德固赛炭黑

Non oxidized pigment black Color Black S170(17nm)
Hans-Dieter Christain
Oxidize pigment black Special Black 6(17nm)
Surface Chemistry
Structure
Hans-Dieter Christain
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Particle Size Comparison of Various Pigments
PHTHALOCYANINE BLUE TITANIUM DIOXIDE CARBAZOL VIOLET QUINACRIDON E RED FW 200 LAMP BLACK 101
HANSA YELLOW
RED IRON OXIDE
1 MICRON
Hans-Dieter Christain Page | 16
Influence of Particle Size on Coloristic
Hans-Dieter Christain
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Influence of Particle Size on Jetness (Alkyl-melamine enamel, 5% pigment black on binder solid)
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Influence of Particle Size to Tinting Strength
Particle size, nm
120 100 80 60 40
13nm 25nm 50nm 65 110 101
Relative tinting strength, %
95nm
30
20 0 Colour Black FW2 Special Black 4 Special Black 100 Lamp Black 101
General Remark
Pigment Black Production Process
Influence of Pigment Black Properties on Coating
Other influence on Coating
Pigment Black Recommendation
Other influence on Coating
Pigment Black Recommendation
Hans-Dieter Christain
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Influence of Pigment Black Properties on Coating
Average Primary Particle size
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Hans-Dieter Christain
Pigment Black Production Process Lamp Black
• • • • •
Hans-Dieter Christain
Oldest process of carbon black production Incomplete combustion of hydrocarbon Wide particle size distribution Mean particle size from 30-200 nm Biggest particle size than those produce by other process
HCF
MCF RCF LCF
≤ 15nm
16-24nm 25-35nm >36nm 10-17nm 18-24nm
RCG
HC-High Color RC-Regular Color G-Gas Black F-Furnace Black
>25nm
MC-Medium Color
Hans-Dieter Christain Page | 19
bruce.liu@orioncarbons.com 欧励隆贸易（上海）有限公司 Orion Engineered Carbons Trading (Shanghai)Co.,Ltd. Room 3701-3702,
BM InterContinental Business Center, 100 Yutong Road,
Powder carbon black Dry beaded carbon black
Wet beaded carbon black
Hans-Dieter Christain
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Differences between Powder & Beaded Form Pigment Black
Shanghai, 200070 P.R China
Pigment Black Basic
Agenda
General Remark
Pigment Black Production Process Influence of Pigment Black Properties on Coating Other influence on Coating Properties Pigment Black Recommendation
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Primary Particle Size Distribution Curves Of Three Pigment Blacks Manufactured By Different Processes
Hans-Dieter Christain
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Delivery Forms of Carbon Black
Surface Area
Lower Less
Energy to wet
Inter aggregated distances
Longer Weaker
Attractive forces between aggregates
Hans-Dieter Christain
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Influence of Pigment Black Properties on Coating
Hans-Dieter Christain
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Important Inorganic Black Pigment
Hans-Dieter Christain
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TEM Photo Of Carbon Black Particle
Hans-Dieter Christain
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Blackness My & Light Reflection
Blackness My
400 300
Black
200
Grey
100
White
0 0,01
0,1
1
10
100
Light reflection%
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Jetness My and Undertone dM
Lactone
Chinone
Anhydride
Ether
Basic
Hans-Dieter Christain
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Surface Chemistry and pH-value
Furnace Blacks •Mostly chinone groups Gas Blacks •Mostly carboxyl groups
Hans-Dieter Christain
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Pigment Black Coloristical Classification
Gas Black Furnace Black Primary Particle Size
HCG
MCG RCG Oxidized Gas Black HCG MCG
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Surface Chemical By Post Oxidation Treatment
Hans-Dieter Christain
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Surface Oxidized Group and pH value
HO
O OH
HO
O
O
O O
O
O
O
O
Carboxyl Phenol Acidic
Low bulk volume Good flow properties Harder to dispersed
Hans-Dieter Christain
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Agenda
General Remark
Pigment Black Production Process
Influence of Pigment Black Properties on Coating
Carbon Black For Coating Industrial
Bruce Liu 刘俊峰 Sales Manager Pigment Solutions for coating industries Telephone +86 21 6107 0936 Telefax Mobile +86 21 6107 0967 +86 1381 605 5902
Hans-Dieter Christain
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Pigment Black Production Process Gas Black
• • • •
Unique process invented by Degussa 1935 Incomplete combustion of hydrocarbon “Open reactor”, so higher amount of oxygen, volatile matter 4-6% Mean particle size from 10-30 nm
Particle size
Hans-Dieter Christain
Tinting strength
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Influence of Primary Particle Size to Dispersion
Same volume base
Higher More Shorter Stronger
Color independent jetness
My = 100 log (100/Y)
Undertone dM = 100 (log Xn/X - log Zn/Z)
Bluish Brownish dM > 0 dM < 0
Hans-Dieter Christain
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Agenda
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Hans-Dieter Christain
Pigment Black Production ProcessFurnace Black
• • • • •
Most importance process of carbon black production Incomplete combustion of hydrocarbon “Close reactor”, so limited amount of oxygen, volatile matter 1-2% Mean particle size from 10-80 nm Structure of carbon black could be influenced
Average Primary Particle size Surface Chemistry Structure
Hans-Dieter Christain
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Influence of Surface Oxidation on Coating
Hans-Dieter Christain
•pH values about 9
•pH values about 4
Hans-Dieter Christain
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The Formation of Pore after Post Oxidation Treatment
Hans-Dieter Christain
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TEM Picture of Coating Surface (Alkyd/Melamine Enamel with 5% Pigment Black)
Advantages Disadvantages
Dust problem
Powder Pigment Black
Easier to dispersed
High bulk volume Poor flow properties
Dry Beaded Pigment Black
Less dust problem