| 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:
Our 801-D rheological additive is a unique, dispersible, self-activated organic ammonium montmorillonite organoclay. It acts as an exceptional rheological additive for low to medium aliphatic hydrocarbons, esters, ketones, and various high-polar solvent systems used in paints and printing oils. In medium to high-polar solvent systems, such as xylene, xylene esters (like butyl acetate), and ketones (such as cyclohexanone), it can self-activate and disperse without an activator. However, in low-polar solvents like 200# solvent oil and white oil (mineral alcohol) aliphatic hydrocarbons, an activator (95% ethanol, 30-40% of the organoclay's weight) is required for effective dispersion. This product is comparable to Bentone-SD1.
Application:
801-D is a versatile, broad-spectrum rheological additive. It is ideal for use in antiseptic paint, printing oils, boat paints, industrial decorative paints, car primer coats, and sealing materials.
Usage:
During the grinding process of product-making, directly add 801-D rheological additive. Under high-speed cutting power (grinding or whipping), the pigment will be fully dispersed and the additive activated. Follow these steps for optimal results:
1. Add resin/solvent.
2. Add 801-D additive and whip at high speed for 10-20 minutes.
3. For low-polar solvents (200# solvent oil, white oil aliphatic hydrocarbons), add a polar activator (e.g., 95% ethanol), 30-40% of the organoclay weight, then whip at high speed for 10-20 minutes. For medium-high polar solvent systems (xylene, xylene-butyl acetate), it can self-disperse without an activator.
4. Add wetting agent and pigment, grind and disperse (whipping, ball-milling, sanding) to the desired fineness.
5. Add other materials in the formulation and continue dispersing until uniform.
Dosage
The dosage of 801-D rheological additive in paint depends on the desired thickening effect, rheological performance, and pigment precipitation degree. The typical range is 0.5-1.5% of the total paint amount. Generally, its dosage is less than that of conventional organoclays and can be adjusted according to previous experiences with common organoclays.
Common chemical and physical properties:
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