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Optical Brightening Agents

O.B.A for Polyester and its Blends

Series
MPS-R
MPS-B
MPB-20
MDT
MBF
 
Characters

Color Index
No.(C.I. No.)

199

199-1

199/-

135

185

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
 
Stability
Chlorine bleaching


Peroxide bleaching
Acid
Alkali
Hard Water
 
Referential Dosage

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
 
Dyeing
95~98℃ (Exhaustion)


115-135℃ (Exhaustion)
Curing Temp. (Suitable) >180℃ >180℃ >180℃ >180℃ >170℃
 
Special Properties & Application
●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
An excellent optical brightener for polyester and their blends, with high whiteness and fluorescence, good Light & sublimation fastness, and gives bluish shade
Optical brightener with bluish shade for polyester and their blends application
An outstanding optical brightener for polyester and their blends under low temperature

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  

 
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
4BK
MPD
MDU
MDA
MST
 
Characters
Color Index No.(C.I. No.)
28
71/260
220
86/113
353
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        
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

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%

O.B.A MDAC

Cationic

C.I.140

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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