UV/EB Oligomer
BR-144B
BR-144B: Trifunctional Aliphatic Polyether Urethane Acrylate Oligomer
BR-144B, a medium molecular weight, trifunctional, aliphatic polyether urethane acrylate oligomer, offers the formulator a cost effective means of obtaining high abrasion resistance and solvent resistance in a durable, high-gloss coating. While not limited to these fields, BR-144B is an effective choice in wood and furniture applications, along with abrasionresistant overprint varnishes. This material has low skin sensitivity for dental and cosmetic applications.
| Neat Properties | |
|---|---|
| Property | Value |
| Viscosity cP (60ºC) | 23,000 |
| Pt-Co (APHA) Color | 15 |
| Refractive Index (25ºC) | 1.485 |
| Density, g/cm3 (25ºC) | 1.03 |
| Monomer Dilution Properties | ||||||
|---|---|---|---|---|---|---|
| Value | ||||||
| Property | I30 | I50 | TM50 | TP50 | H50 | HE30 |
| Tensile Strength (MPa [psi]) | 35.9 [5200] | 51.7 [7500] | 44.8 [6500] | 29.6 [4300] | 36.5 [5300] | 22.1 [3200] |
| Elongation (%) | 6.7 | 4.7 | 2.7 | 9.7 | 3.9 | 30 |
| Elastic Modulus (MPa [ksi]) | 1,861.6 [270] | 2,275.3 [330] | 2,344.2 [340] | 1,379.0 [200] | 1,447.9 [210] | 1,172.1 [170] |
| Durometer Hardness | 80D | 77D | 84D | 79D | 83D | 84D |
| Water Absorption (%) 24hrs | 0.45 | 0.33 | 0.57 | 0.75 | 0.51 | 2.28 |
| MEK Double Rubs (#) | 14 | 7 | >200 | 60 | 170 | 70 |
| Viscosity (cP) | 21,000 @ 25ºC | 1,100 @ 25ºC | 7,600 @ 25ºC | 1,100 @ 25ºC | 300 @ 25ºC | 3,100 @ 25ºC |
** Tensile Properties per ASTM D882 - Not Tested || Incompatible X Unable to Measure