English
As the typical cycloaliphatic epoxy resin, TTA26 (bis ((3,4-epoxy cyclohexyl) methyl) adipate) has excellent weather resistance and electrical insulation, low curing shrinkage, good heat resistance, low viscosity and good toughness. It is widely used in the fields of composites, electrical insulation materials, electronic embedment materials, cationic curing resin raw materials, etc. It has similar electrical insulation and weather resistance to TTA21, but it shows good flexibility due to its increased molecular chain length. It is often used in combination with TTA21 to improve the toughness and other properties of the cured product. It is suitable for UV SLA, anhydride and thermal cation curing.
| Grade | TTA26 | TTA26E |
| Product name | Bis(3,4-epoxycyclohexylmethyl) adipate | |
| CAS No. | 3130-19-6 | |
| Total chlorine（ppm） | / | 200 max |
| Epoxy equivalent (g / eq) | 190～210 | 190～210 |
| Viscosity (mpa.s/25℃) | 400～750 | 400～750 |
| Chroma | 150 APHA max | 150 APHA max |
| Water(%) | 0.10 max | 0.10 max |
| Density (g / ml) | 1.140～1.158 | / |
Formula composition: TTA26: polyurethane acrylate
Test conditions: DHR-25 ℃
DHR rotary rheometer
The figure shows that the TTA26 has a strong dilution ability. There will be an obvious dilution effect when the addition amount in the formula exceeds 20%.
Formula composition: TTA26: MHHPA：AO-4=100: 84:1
DSC differential scanning calorimeter
Curing conditions: 20℃/min, increase from 40℃ to 250℃
The figure shows that the glass transition temperature (Tg) of cycloaliphatic epoxy resin TTA26 is 133 ℃.
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