Toynol® DS-193L/193H Dispersing Agent
1 🎯 Abstract
Toynol® DS-193L/193H are high-performance water-based dispersing agents, composed of a mixture of amine alkyl hydroxy affixture of HMW styrene acrylic copolymers and surfactant. They feature good pigment and filler wetting effect, outstanding deflocculation, and powerful charge repulsion. APEO-free, they can reduce grinding system viscosity, improve millbase color development, and are specially suitable for organic/inorganic mixed pigment dispersion, compatible with various powders.
2 📊 Core Product Information
Item | DS-193L | DS-193H |
Appearance | Yellow transparent liquid | Yellow transparent liquid |
Content(%) | 40% | 40% |
Solvent | Water | Water |
Core Advantages
High-performance water-based dispersing agents
Good wetting effect on pigments and fillers
Outstanding deflocculation and powerful charge repulsion
APEO-free, environmentally friendly
Reduces grinding system viscosity, improves millbase color development
Specially suitable for organic/inorganic mixed pigment dispersion, compatible with various powders
3 🛠️ Application Guide
3.1 Recommended Application Fields
Water-based inks
Architectural coatings
Wood and furniture coatings
Automotive coatings
Can coatings
Anticorrosive paints
Leather coatings
Suitable for phthalocyanine organic pigments, azo organic pigments, titanium dioxide and other organic/inorganic powder materials
3.2 Usage Methods and Recommended Dosage
3.2.1 Recommended Dosage
Organic pigments: 10-50% (based on pigment, calculated by dispersant solid content SOP)
Inorganic pigments (titanium dioxide): 3-7% (based on pigment, calculated by dispersant solid content SOP)
3.2.2 Operation Guidance
Add dispersant to water first, then add powder; stir at 4000rmp/min for 10min. After the powder is completely wetted, add grinding glass beads to start timing grinding.
Do not add wetting agents separately; Toynol® wetting agents can accelerate original powder wetting.
Adding Toynol® defoamers can quickly eliminate grinding foam.
To obtain optimal performance, Toynol® additives must be added to water before resin and pigment.
It is advisable to conduct gradient tests to get the optimal dosage.
3.2.3 Grinding Operation
Dispersing sand mill, glass bead (0.8-1.2mm), filling rate 70%, grinding at 3000rmp/min for 60min.
3.2.4 Performance Evaluation
Centrifugal stability: Take 20ml millbase into centrifuge tube, centrifuge for 10min under 3000r/min, observe millbase layering, pour out liquid and calculate precipitate amount and percentage.
Viscosity evaluation: Use Brookfield rotational viscometer.
Fineness measure: Scraper fineness meter.
Viscosity stability: Store millbase in 100ml wide-mouth bottle at 40℃ for 24 hours, measure viscosity change; ±50% change is regarded as qualified.
3.2.5 Application Reference Examples
Note: ●：Excellent ◎：Good
Example Ⅰ (Experimental pigment: Titanium Dioxide, powder content 70%)
Component | Dosage |
Inorganic pigment content (Titanium Dioxide) | 70 |
Dispersant dosage (as supplied) | 17 |
Defoamer (Toynol®) | 0.1-0.3 |
Wetting agent (Toynol®) | 0-0.3 (as appropriate) |
Water | Add to 100 |
Item | Toynol® DS-193L/H | Toynol® DS-194L | Imported dispersant |
Dispersant dosage (SOP) | 10% | 10% | 10% |
Wetting of original powder | Quick | Quick | 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 |
Example Ⅱ (Experimental pigment: Fast Red P.R. 48:3, powder content 35%)
Component | Dosage |
Organic pigment content (Fast Red P.R. 48:3) | 35 |
Dispersant dosage (as supplied) | 26 |
Defoamer (Toynol®) | 0.1-0.3 |
Wetting agent (Toynol®) | 0-0.3 (as appropriate) |
Water | Add to 100% |
Item | Toynol® DS-193L/H | Toynol® DS-191L | Imported dispersant |
Dispersant dosage (SOP) | 30% | 30% | 30% |
Original powder wetting | 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 |
4 ⚠️ Safety and Storage
Packaging: 25L plastic drum, 220L drum
Storage: As liquid material, this product should be sealed and placed in a dry, cool, well-ventilated place at room temperature away from fire source.
Safety Precautions: Operate in a well-ventilated environment; wear appropriate personal protective equipment. For detailed safety information, refer to MSDS.
5 ❓ Frequently Asked Questions (FAQ)
Q1: What are the core advantages of Toynol® DS-193L/193H?
A1: They have good pigment wetting effect, outstanding deflocculation, powerful charge repulsion, are APEO-free, reduce grinding viscosity, improve color development, and are suitable for organic/inorganic mixed pigment dispersion.
Q2: What is the correct addition order of the product?
A2: Add dispersant to water first, then add powder; after complete wetting, add grinding glass beads for grinding.
Q3: Can this product be used with other additives?
A3: Yes. It can be used with Toynol® wetting agents (accelerate powder wetting) and Toynol® defoamers (eliminate grinding foam).
Q4: How to determine the optimal dosage?
A4: It is recommended to conduct gradient tests according to actual application scenarios and pigment types to confirm the optimal dosage.
6 📞 Contact Us and Information Acquisition
For more detailed product technical parameters, test reports, customized application schemes or cooperation consultations, please refer to MSDS or contact us.
Tianjin Hi-Perferal Advanced Materials Co.,Ltd.
Contact: Cary Lee
Email: cary.lee@surfychem.com
Mobile: +86 18526487936
