INTRODUCTION
Rheological additives are essential components in paint formulations used to control the flow and viscosity of the paint. Modified rheological additives are advanced formulations of traditional rheological additives. They are designed to offer improved performance, versatility, or specific functional properties in applications like paints, coatings etc.
| Synonym | Alkyl quaternary ammonium bentonite |
| CAS no. | 68153-34-4 |
| EINECS no. | 268-880-0 |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | White to off white powder | |
| Moisture at 105°C for 1 Hour | % | Max 10.0 |
| Jelly strength 2 % solution in water after 24 hr. at 25 °C (at 20 rpm, spindle no.6 on RVT Brookfield viscometer ) | cps | 20,000 – 35,000 |
| Density | gm/cc | 0.80 – 0.90 |
These additives help achieve desirable texture, stability, and application properties by influencing the fluid’s structure and behavior under different conditions
OnADD® – PLCW is a high viscosity, economical, organically modified Rheological additive for water-based system. It provides viscosity built up, good pigment suspension, excellent sag control and very good bio stability. It increases the water scrub resistance of the coating film.
APPLICATIONS
Provide better leveling, sag resistance, and color consistency in following applications
| Paints and Coatings |
| Textured coatings |
| Synthetic plaster (putty) |
| Acrylic & oil bound distemper |
ADVANTAGES
| Viscosity Control |
|---|
| Rheological additives adjust the thickness of a fluid to ensure it has the right flow characteristics for application (e.g., brushing, spraying). |
| Thixotropy (Anti-Sagging) |
|---|
| Rheological additives provides thixotropy to the paint system . This thixotropic behavior is key in water-based paints, where the viscosity decreases during application (under shear) and recovers when at rest. This prevents the paint from sagging or running after application, leading to even coverage and sharp edges in the painted surface. |
| Application Properties |
|---|
| They enhance the ease of application, prevent sagging in vertical applications, and improve leveling and surface finish. |
| Anti-Splattering |
|---|
| In paints and coatings, rheological additives help reduce splattering during roller or brush application. |
| Enhanced Storage Stability |
|---|
| Water-based paints can suffer from phase separation or settling during storage. Rheological additives help maintain long-term stability by preventing the separation of components like water, pigments, and binders, ensuring the paint remains ready for use without extensive mixing. These applications highlight the versatility and critical role of modified Rheological additives in enhancing the performance, stability, and user experience of water-based paints. |
INCORPORATION
| In Situ: |
|---|
| Add to the water rich phase as early in the manufacturing process as possible. Anionic surfactant can enhances the thickening effect when used with OnADD® – PLCW |
| Pregel: |
|---|
| Pregel can be prepared by dispensing up to 2% – 3% of OnADD® – PLCW in water under high- speed dispersion equipment with Cowles Blades. |
| Dosage : |
|---|
| Typical dosage of OnADD® – PLCW is from 0.3 to 1.5% depending upon the type of system and degree of thickening or other properties desired |
PACKAGING OPTIONS
25 Kg Bags
REACH
Notregistered
STORAGE
Store in a sheltered place away from sources of heat and moisture.
No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! Send us your specific inquiry and we will find the right grade for your application! If you need any additional information or SDS, please get in touch with us.
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