
Figure 1:Effect of types and concentrations of diluents on the viscosity of composites
Materials |
Trade code |
Density(gr/cm3) |
Viscosity(cP) |
EEW or AHEW |
Resin |
RenLam 5138 |
1.14 |
1850 |
206.74 |
Hardener |
Aradur 5052 |
0.94 |
50 |
108.45 |
Table 1: Main properties of resin and hardener.
Materials |
Purity |
Molecular |
Melting |
Boiling |
Density |
DBP |
99 |
- |
-35 |
340 |
1.043 |
BA |
99 |
108.14 |
-15 |
205 |
1.05 |
1,4BDDGE |
- |
202 |
- |
- |
1.1 |
Table 2: Main properties of diluents
|
|
|
|
|
|
|
|
Viscosity(cP) |
|
|
|
|
|
|
|
|
|
BA(phr) |
|
|
|
DBP(phr) |
|
|
|
BDDGE(phr) |
|
0 |
|
5 |
10 |
15 |
|
5 |
10 |
15 |
|
5 |
10 |
15 |
|
0 |
720 |
|
540 |
430 |
270 |
|
440 |
430 |
310 |
|
370 |
300 |
250 |
25 |
804 |
|
550 |
550 |
280 |
|
520 |
505 |
380 |
|
510 |
380 |
300 |
50 |
1200 |
|
855 |
1000 |
650 |
|
825 |
710 |
540 |
|
620 |
441 |
365 |
85 |
1849 |
|
1960 |
2100 |
1360 |
|
1320 |
1110 |
900 |
|
770 |
580 |
496 |
Table 3: Viscosity of prepared composites versus time
Figure 1:Effect of types and concentrations of diluents on the viscosity of composites
Figure 2:Effect of diluents on gel time
Figure 3: Effect of different diluents on the contact angle of prepared composites A (without any diluents), B (DBP), C (BA), D (BDDE)
Figure 4:Types and concentrations of diluents versus cross-linking percentage
Figure 5:Water absorption (at 30) versus diluents
Figure 6:Water absorption (at 100℃) versus diluents
Figures at a glance