Glycidyl ether of cashew nuts
Paint chemicals 2025-03-21
Widely used in electronics, electrical appliances, electromechanical, mechanical industries, reduce the viscosity of epoxy resin, improve processability, suitable for potting, casting, laminating, impregnation and other application processes, used for insulating materials adhesive materials, also used in solvent-free coatings, adhesives.
Fundamental Chemical Properties
| Property | Specification |
|---|---|
| Chemical Name | Cardanol Glycidyl Ether |
| CAS No. | [Not publicly assigned] |
| Molecular Formula | C₂₁H₃₀-₃₈O₃ (variable) |
| Appearance | Pale yellow to brown viscous liquid |
| Epoxide Value | 0.25-0.35 eq/100g |
| Viscosity (25°C) | 500-1.500 mPa·s |
| Solubility | Soluble in acetone, toluene; partially water-dispersible |
Key Functional Properties & Applications
| Function | Application |
|---|---|
| Bio-based Epoxy Modifier | Coatings, adhesives |
| Flexibilizer | Epoxy resin formulations |
| Reactive Diluent | Low-VOC systems |
| Corrosion Inhibitor | Metal primers |
| Water Resistance Agent | Marine coatings |
Safety & Processing Guidelines
| Parameter | Requirement |
|---|---|
| Flash Point | >150°C (COC) |
| Skin Contact | Mild irritant (use gloves) |
| Curing Compatibility | Amines, anhydrides, phenolics |
| Storage Stability | 12 months (25°C, sealed) |
| Biodegradability | >60% (OECD 301B) |
Summary
Derived from renewable cashew nut shell liquid (CNSL), this glycidyl ether offers unique flexibility and hydrophobicity to epoxy systems. Its aliphatic side chain provides:
Lower viscosity vs. BPA-based epoxides
Enhanced UV resistance
Improved substrate wetting
