| Customization: | Available |
|---|---|
| CAS No.: | 68911-87-5 |
| Formula: | R4n+X(H2O)4{(Al2-Xmgx)[Si4o10](Oh)2}- |
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Introduction:
801-D rheological additive is a kind of dispersible, self-activated organic ammonium montmorillonite organoclay. It serves as an exceptional rheological additive for low-medium aliphatic hydrocarbons, esters, ketones, and various paints and printing oils in high polar solvent systems. In medium-high polar solvent systems such as xylene, xylene-butyl acetate, and ketones like cyclohexanone, it disperses effortlessly without an activator. However, in low polar solvents with 200# solvent oil and white oil (mineral alcohol) aliphatic hydrocarbons, it requires an activator (95% ethanol, at 30-40% of the organoclay's weight) to aid dispersion. This product is comparable to Bentone-SD1.
Application:
801-D is a versatile, dispersible broad-spectrum rheological additive. It is ideal for use in antiseptic paints, printing oils, marine paints, industrial decorative paints, automotive primers, and sealing materials.
Usage:
Incorporate 801-D rheological additive during the product's grinding phase. Under the cutting action of grinding or whipping processes, it disperses and activates fully. Typical usage steps include:
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 aliphatic hydrocarbons, add a polar activator (such as 95% ethanol) at 30-40% of the organoclay's weight, then whip at high speed for 10-20 minutes. For medium-high polar solvent systems like xylene, xylene-butyl acetate, it can disperse without an activator.
4. Add wetting agent and pigment, then grind and disperse (whipping, ball-milling, sanding) until the desired fineness is achieved.
5. Incorporate other ingredients and disperse continuously until even.
Dosage
The dosage of 801-D rheological additive in paint is determined by the required thickening effect, rheological performance, and pigment's precipitation degree. The typical dosage range is 0.5-1.5% of the paint amount. It can be adjusted based on the common organoclay dosage before optimization. Typically, the required amount is less than that of common organoclay.
Common chemical, physical properties:
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