DS-195H iron oxide Dispersing Auxiliary for textile industry

April 26 10:06:03, 2024

Model NO.: DS-195H
Function: disperse inorganic pigment
Producer: Hi-pereral
Trademark: Toynol
Transport Package: 200kg drum
Specification: 40%
Origin: Tianjin
HS Code: 3402130090
Toynol® DS-195L/195H Dispersing Agent

DS-195H iron oxide Dispersing Auxiliary for textile industry

Characteristics
High performance dispersing agents in water-based system
 
Good wetting effect to pigment and fillings
 
Outstanding deflocculation
 
Provide powerful charge repulsion property
 
Suitable for various powder
 
Reduce viscosity of grinding system, improve color development of millbase
 
APEO free
 
Chemical Components

Solution of high molecular polymers with pigment anchoring group 

Highly Recommended Applications

Iron oxide, Transparent iron oxide
Titanium Dioxide
Carbon black
Organic pigments

Physical properties
Typical Properties
Item DS-195L DS-195H
Appearance Yellow transparent liquid Yellow transparent liquid
Content(%) 40% 40%
Solvent water water


Grinding operation

Dispersing sand mill, Glass bead(0.8-1.2mm), Filling rate 70%
3000rmp/min  60min

Performance evaluation
  • Centrifugal stability: take 20ml millbase into centrifuge tube, centrifuge 10 min under condition of 3000r/min, then take out to observe the layering of millbase. Pour out liquid and calculate amount and percentage of precipitate. 
  • Viscosity evaluation:Use Brookfield rotational viscometer.
  • Fineness measure:Scraper fineness meter
  • iscosity stability:Store millbase in 100ml wild-mouth bottle at 40ºC for 24 hours, measure viscosity change,  ±50% change is regarded qualified.

Example1(★:Excellent  ☆:Good )

Experimental pigment: transparent red iron oxide TR-718, powder content 40%
Inorganic pigment content:         40
Dispersant dosage(as supplied):    40
Sodium hydroxide:                Appropriate amount(PH mixed to 8-9)
Defoamer(Toynol®):               0.1-0.3
Wetting agent(Toynol®):            0-0.3(as appropriate)
Water:                           add to 100
Item Toynol® DS-195L Imported dispersant
Dispersant dosage(SOP) 40% 40%
Wetting of original powder Quick Very quick(foaming seriously)
Stock solution stability (centrifugation) ★ ☆
Dilution stability(centrifugation) ★ ☆
Millbase viscosity ★ ☆
Dispersion fineness(μm) ≤2.5 ≤2.5
Change of storage viscosity Without thickening and thixotropy Without thickening and thixotropy

Example2(★:Excellent  ☆:Good )

Experimental pigment: Titanium dioxide R-996 , powder content  35%
Organic pigment content:          70
Dispersant dosage(as supplied):    10.5
Defoamer(Toynol®):               0.1-0.3
Wetting agent(Toynol®):            0-0.3(as appropriate)
Water:                           add to 100%
Item Toynol® DS-195L/H Toynol® DS-194L Imported dispersant
Dispersant dosage(SOP) 6% 6% 6%
Wetting of original powder Quick Quick Very quick
Stock solution stability (centrifugation) ★ ★ ☆
Dilution stability(centrifugation) ★ ★ ☆
Millbase viscosity ★ ★ ☆
Dispersion fineness(μm) ≤2.5 ≤2.5 ≤2.5
Change of storage viscosity Without thickening and thixotropy Without thickening and thixotropy Without thickening and thixotropy

(When actual operation:First add dispersant into water, then add powder, 4000rmp/min 10min. After powder completely wetting, put into grinding glass beads to start timing grind.)

Recommended Applications
  • Water-based inks
  • Architectural coating
  • Wood and furniture coatings
  • Automotive coatings
  • Can coatings
  • Anticorrosive paint
  • Leather coatings
Operation proposals        
  1. Suggested dosage of organic pigment(Based on pigment, Toynol® dispersants calculate solid content SOP):10-50%;
  2. Suggested dosage of inorganic pigment(titanium dioxide)(Based on pigment, Toynol® dispersants calculate solid content SOP):3-7%;
  3. Do not add wetting agents separately;
  4. Toynol® wetting agents can accelerate original powder wetting;
  5. Adding Toynol® defoamers can quickly eliminate grinding foam;
  6. To obtain optimal performance, Toynol® additives must be added in water before resin and pigment;
  7. Advise gradient test to get optimal dosage;
Packaging/storage
25L/plastic drum;220L/iron drum
As liquid material, this product should be sealed and placed in a dry, cool, well-ventilated place at room temperature 

 

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