| CAS No.: | 68911-87-5 |
|---|---|
| Formula: | R4n+X(H2O)4{(Al2-Xmgx)[Si4o10](Oh)2}- |
| Color: | White |
| Appearance: | Powder |
| Moisture Content: | 2.5-3.5% |
| Loss on Ignition (900ºC,%): | 36~41 |
| Customization: |
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Introduction:
801-D rheological additive is a versatile, self-activated organic ammonium montmorillonite organoclay. This additive is ideal for low to medium aliphatic hydrocarbons, esters, ketones, and specific high-polar solvent systems, including xylene and butyl acetate. In such high-polar solvents, it self-activates without an additional activator. However, in low-polar solvents, such as those with 200# solvent oil and white oil (mineral alcohol), an activator (95% ethanol, at 30-40% of the organoclay's weight) is necessary for optimal dispersion. Comparable to Bentone-SD1, 801-D stands out for its efficient performance across a broad range of applications.
Application:
801-D shines as a dispersible, broad-spectrum rheological additive, making it invaluable in antiseptic paints, printing inks, marine paints, industrial decorative coatings, automotive primers, and sealing materials.
Usage:
Integrate 801-D rheological additive during the grinding phase of production. Under the intense shearing forces of grinding or whipping, it activates and disperses fully. Follow these steps for optimal results:
1. Add resin/solvent
2. Introduce 801-D additive and whip at high speed for 10-20 minutes
3. For low-polar solvents with 200# solvent oil and white oil, add a polar activator (such as 95% ethanol) at 30-40% of the organoclay's weight and whip at high speed for 10-20 minutes. For medium-high polar solvents like xylene or xylene-butyl acetate, the additive self-activates without an activator.
4. Add a wetting agent and pigment, then grind and disperse (via whipping, ball-milling, or sanding) to achieve the desired fineness.
5. Incorporate other ingredients and continue dispersing until the mixture is uniform.
Dosage
The dosage of 801-D rheological additive in paint formulations is influenced by the desired thickening effect, rheological performance, and pigment precipitation. Typically, the dosage ranges from 0.5-1.5% of the total paint volume. This can be adjusted based on common organoclay usage, often requiring less 801-D compared to standard organoclays.
Common chemical and physical properties:
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