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In epoxy resin system, what kind of anti-settling agent do we choose?

2024-10-11
Latest company cases about In epoxy resin system, what kind of anti-settling agent do we choose?

In an epoxy resin system, the selection of an anti-settling agent depends on factors like resin viscosity, the type of fillers or pigments used, and the desired final properties. Here are some common types of anti-settling agents suitable for epoxy resin systems:

Organoclays (Modified Bentonite):

These are widely used in epoxy systems for enhancing thixotropic behavior and preventing settling of pigments or fillers.

Advantages: Provides good suspension and rheological control; improves storage stability.

Fumed Silica:

Commonly used for creating thixotropy in resin systems, preventing pigment or filler settling.

Advantages: Effective even at low concentrations; widely available.

Polyamide Waxes:

These anti-settling agents can be effective in epoxy systems for stabilizing pigments and fillers, particularly in high-performance coatings.

Advantages: Provide good thixotropic properties and improve anti-settling performance without affecting the final coating's gloss.

Polyurethane-based Thixotropic Agents:

These are polymer-based additives designed to improve anti-settling and flow characteristics without significantly increasing viscosity.

Advantages: Maintain a good balance between viscosity control and pigment stabilization.

Rheological Additives Based on Urea Derivatives:

Suitable for systems where long-term storage stability and anti-settling are needed.

Advantages: They provide controlled viscosity increase and prevent sedimentation over time.

Modified Cellulose:

Can be used in low- to medium-viscosity epoxy systems to provide good anti-settling and viscosity control.

Advantages: Cost-effective and can be easily dispersed

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