Optical Brightening Agents
O.B.A for Polyester and its Blends
Series |
MPS-R |
MPS-B |
MPB-20 |
MDT |
MBF |
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Color Index
No.(C.I. No.)
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Physical Appearance (Suspension) |
Light Yellow Dispersion |
Ivory Dispersion |
Light Blue Dispersion |
Ivory Dispersion |
White Dispersion |
Ionicity |
Nonionic |
Nonionic |
Nonionic |
Nonionic |
Nonionic |
Color Shade |
N.W-R |
N.W-B |
N.W-B |
N.W |
N.W-B |
Light Fastness |
5~6 |
4~5 |
4~5 |
5~6 |
6~7 |
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Peroxide bleaching |
○ |
◎ |
◎ |
◎ |
◎ |
Acid |
◎ |
◎ |
◎ |
◎ |
◎ |
Alkali |
○ |
○ |
○ |
○ |
○ |
Hard Water |
◎ |
◎ |
◎ |
◎ |
◎ |
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Exhaustion(%) |
0.2-0.3%(o.w.f) recommended
|
0.2-0.3%(o.w.f) recommended |
0.2-0.3%(o.w.f) recommended
|
<1.0 |
<1.0 |
Padding (Pick-up ratio<80%), g/L
|
1-3 |
1-3 |
1-3 |
<10.0 |
<10.0 |
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115-135℃ (Exhaustion) |
◎ |
◎ |
◎ |
◎ |
◎ |
Curing Temp. (Suitable) |
>180℃ |
>180℃ |
>180℃ |
>180℃ |
>170℃ |
Special Properties & Application
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●An outstanding optical brightener for polyester and their blends, with high whiteness and fluorescence, gives reddish shade
●Excellent whiteness in the exhaustion process on polyester or polyester/cotton blends
●Suitable for continuous process
●Very stable to bleaching and discharge agents
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An excellent optical brightener for polyester and their blends, with high whiteness and fluorescence, good Light & sublimation fastness, and gives bluish shade
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Optical brightener with bluish shade for polyester and their blends application
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An outstanding optical brightener for polyester and their blends under low temperature
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1.Outstanding light fastness effects
2.Can exhibit very good suitability by exhaustion or padding process
.3.Exhaustion almost completely under HT condition, has low affinity at the boil but uptake can be improved by addition of suitable carriers
4.Excellent compatibility with thermosetting resins
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Instructions |
◎ Excellent or Stable N.W: Neutral White
○ Moderate or Limited R: Reddish B: Bluish
●Not recommended |
O.B.A for Cotton and Cellulosic Fibers
Series |
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Characters |
Color Index No.(C.I. No.) |
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Physical Appearance |
Yellowish to greenish powder |
Off white powder/granule |
Light Yellowish powder |
Yellowish powder |
Yellowish to reddish liquid |
Ionicity |
Anionic |
Anionic |
Anionic |
Anionic |
Anionic |
Color Shade |
R/B |
N.W-R |
N.W-R |
N.W.-B |
N.W-R |
Light Fastness |
4~5 |
2~3 |
3~4 |
2~4 |
3~4 |
Stability |
Chlorine bleaching
|
●
|
●
|
●
|
●
|
●
|
Peroxide bleaching |
◎ |
◎ |
◎ |
◎ |
○ |
Acid (pH~range) |
4.5~12 |
● |
3.5~12 |
7~12 |
2~12 |
Alkali |
|
◎ |
|
|
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Hard Water |
◎ |
◎ |
◎ |
◎ |
○ |
Referential Dosage |
Exhaustion(%) |
Exhaustion:0.1-0.8%(ow.f) |
Dyeing Process: 0.1-0.3% |
~0.4 |
~0.3
|
●
|
Padding(Pick-up ratio<80%), g/L
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One-bath: 0.2-0.8%(ow.f) |
Detergent: 0.1-0.5% |
4~6 |
4~6 |
~10 |
Dyeing |
Exhaustion
Method |
◎ |
|
◎ |
◎
|
●
|
Best Dyeing Temp.( Exhaustion) |
80℃ |
|
80℃ |
80℃ |
● |
Dyeing Temp.(Exhaustion) |
~100℃ |
|
~100℃ |
~100℃ |
● |
Continuous Method(Pad-bake) |
◎ |
|
◎ |
◎ |
◎ |
Special Properties & Application |
An excellent optical brightener for cotton and cotton/polyester fabrics
Shade can be readjusted in reddish or bluish respectively |
●An excellent optical brightener for textile and detergent industry
●Give outstanding brightness
●Very high white effect in anionic and nonionic detergents and detergents containing soap |
●Optical Brightener for cellulose and polyester/cellulose blends, cotton and glue fiber, paper pulp, surface gluing and coating
●very suitable for continuous padding and exhaustion process(high/low) temperature |
●Optical brightener for paper pulp, surface sizing, coating, and also applied to whiten cotton, linen and cellulose fiber as well as cellulose fabrics, and to brighten light-colored cellulose fabrics.
●Very high and brilliant whiteness and high washing fastness
●High substantivity for cotton
●Very suitable for combing with hydrogen peroxide and sodium hydrosulfite bleaching |
●Very suitable for continuous application
●Suitable in acid cross-linking bath due to high stability at low pH condition
●With good water solubility and resistant to hard water and peroxide bleaching agent |
Instructions |
◎ Excellent or Stable N.W: Neutral White
○ Moderate or Limited R: Reddish B: Bluish
●Not recommended |
O.B.A for Acrylic, Polyamide, Wool, Silk and Nylon
Products |
Ionicity |
C.I. No. |
Main Physical Properties |
Special Properties & Application |
Referential Dosage |
O.B.A MAC-L |
Cationic |
C.I.363 |
Physical appearance:
light yellow liquid
Ionicity: cationic
Shade: neutral to light bluish
pH value: 3-4 |
●Excellent white effect, neutral to reddish shade
●Suitable for acrylic fibers and di-acetate
●Both in Exhaustion and continuous processes
●With excellent stability in chlorite and chlorine
●Good light and wet fastness properties |
Acrylic fiber(Exhaustionion):
0.2~2.0%
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O.B.A MDAC |
Cationic
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C.I.140
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Physical Appearance: White crystal powder
Chemistry: Coumarin type
Solubility: dissolve in ethanol and other organic solvent |
An excellent brightener for flexible and hard PVC, wool,natural silk, acrylic fiber, acetate fiber, polyester fiber, polyamide fiber,
acetic acid fiber . and detergent and
washing powder |
PVC: 0.01-0.06%
Wool: 0.05~0.35% Natural silk: 0.05~0.4% ;Acrylic
fiber: 0.05~0.8%
Detergent and washing powder: 0.001-0.005% |
O.B.A MBS |
Anionic |
C.I.351 |
Physical Appearance: Yellow to greenish powder/granule
Chemistry: Distyryl biphenyl derivative |
●An Outstanding Optical Brightener for detergent industry, cellulose fiber, polyamide, wool, nylon polyamide and proteomic fiber
●Suitable for exhaustion and padding applications
●Suitable for wide range of pH(1-12)
●Good light fastness( Class 5) |
Common washing powder: 0.005-0.03% Soap:0.01-0.05%
Concentrated washing powder: 0.01-0.05% Soft agent of fabric fiber: 0.01-0.05%
Liquid detergent: 0.02-0.06%
Washing syrup: 0.005-0.02% |
O.B.A for Synthetic Fibers, Cellulose Acetate and Plastic
Products |
C.I. No. |
CAS No. |
Chemical Name |
Main Physical Properties |
Special Properties & Application |
O.B.A ER-I |
C.I.199 |
13001-40-6 |
1.4-Bis-o-cyanostyryl-benzene |
Physical Appearance: Yellow & Green Crystalline Powder
Melting Point: 230±1℃
Purity:100% |
An excellent O.B.A for polyester, cellulose acetate, nylon, polyamides fibers, and cotton/polyester blends |
O.B.A ER-II |
C.I.199-1 |
5089-22-5 |
(1-O-cyanostyryl, 4-p-cyanostyryl)-benzene |
Physical Appearance: Light Yellow & Green Crystalline Powder
Melting Point:: 188-192℃
Purity: 100% |
An excellent O.B.A for polyester, cellulose acetate, nylon, polyamides fibers, and cotton/polyester blends |
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