Table 5.
Dissolution rate constant (kr) and maximum solubility ([PUL]eq) of SB−PU and SF adhesive at different temperature and acid concentrations.
|
Adhesive type |
T [°C] |
Acid conc. [vol%] |
k r [×10−4 mg mL−1 s−1] |
[PUL]eq [mg mL−1] |
|---|---|---|---|---|
|
SB |
75 |
100 |
7.46 |
8.72 |
|
65 |
100 |
5.64 |
8.38 |
|
|
50 |
100 |
3.58 |
7.30 |
|
|
75 |
50 |
7.46 |
8.72 |
|
|
75 |
75 |
7.46 |
8.72 |
|
|
75 |
85 |
7.46 |
8.72 |
|
|
SF |
75 |
100 |
10.68 |
0.71 |
|
65 |
100 |
7.61 |
0.71 |
|
|
50 |
100 |
4.40 |
0.71 |
|
|
75 |
50 |
10.68 |
0.71 |
|
|
75 |
75 |
10.68 |
0.71 |
|
|
75 |
85 |
10.68 |
0.71 |