The Actual Application of Epoxy Resin Flame Retardant
Description
The actual application of Epoxy resin flame retardant
Processing Mw variation
| Mw | 6.5hr Target Range | 3.5hr | 4.5hr | 5.5hr | 6.5hr |
| Goyen-1 | 4300±300 | 2773 | 3255 | 3910 | 4928 |
| Goyen-2 | 4300±300 | 2769 | 3179 | 3653 | 4274 |
| Germany | 4300±300 | – | 3236 | 3562 | 4000 |
The above statistic show the result curve of the reaction of Mw(g/eq) toward time (HR)
Time to Mw’s curve chart
200LA70 Product Analysis
| 200LA70 | Epoxide Equivalent (g/eq) | Solid Constituent (%) | Viscous (Cps/25℃) | Hue(G) | Mw | Hydrolysable Chlorine (ppm) |
| Control Standards | 340~380 | 69~71 | 400~1400 | 1~3 | 4100~5100 | 150~300 |
| Germany | 349 | 67.4 | 300 | 2 | 5052 | 227 |
| Goyen-1 | 337 | 69.8 | 1100 | 2 | 5069 | 240 |
| Goyen-2 | 330 | 70.9 | 1088 | 2.5 | 5055 | 225 |
Circuit Board process condition:
Heat processing program temperature 185℃ ; curing 2hrs
Analysis of After pressing plate property
| Foreign Phosphorus Formula | Goyen Flame Retardants Formula | |
| PPTg(℃) | 158 | 171 |
| PGT(sec) | 137 | 140 |
| LTG(DSC) | 155 | 165 |
| water absorption %(120℃、、2atm 30min) | 0.38 | 0.3 |
| 288℃Tin furnace resistant heat | 30~40 sec | 150~180 sec |
| Flame Resistant(max) | 9.18 | 9.15 |
| Flame Resistant(total) | 33.87 | 34.65 |
| Main resin phosphorus content (%) | 2.6 | 2.6 |
