Mark-Houwink Constants1
Polymer
/ Solvent |
T (°C) |
K x 103 (ml/g) |
a |
Polyacrylonitrile / DMF |
30 |
30.1 |
0.75 |
Poly(α-methylstyrene / Cyclohexane |
35 |
67.5 |
0.70 |
1,4-Polybutadiene / Cyclohexane |
25 |
34.3 |
0.70 |
Polycarbonate / Tetrahydrofuran |
25 |
44.0 |
0.69 |
Polyethylene, low
pressure / Decaline |
135 |
60.2 |
0.69 |
Polyethylene, low
pressure / Trichlorobenzene |
135 |
73.6 |
0.67 |
Poly(hexamethylene adipamide) / 90% Acetic Acid |
25 |
110 |
0.70 |
Polyisobutlyene / Benzene |
25 |
95 |
0.52 |
Polyisoprene / Benzene |
30 |
18.6 |
0.74 |
Polyisoprene / Cyclohexane |
25 |
24.9 |
0.72 |
Poly(methyl methacrylate), atactic / Benzene |
25 |
5.3 |
0.75
|
Poly(methyl methacrylate), atactic / Acetone |
25 |
5.4 |
0.73 |
Poly(propylene oxide) / Benzene |
25 |
12.1 |
0.79 |
Polypropylene, atactic / Benzene |
25 |
30.4 |
0.69 |
Polypropylene, isotactic / Trichlorobenzene |
130 |
15.4 |
0.76 |
Polystyrene / Cyclohexane |
35 |
82.5 |
0.50 |
Polystyrene (atactic) / Benzene |
25 |
11.8 |
0.73 |
Polystyrene (atactic) / Trichlorobenzene |
135 |
14.7 |
0.69 |
Polystyrene (atactic) / Toluene |
25 |
8.6 |
0.74 |
Polystyrene (isotactic) / Benzene |
30 |
10.1 |
0.76 |
Polystyrene (isotactic) / Tetrahydrofuran |
25 |
16.0 |
0.70 |
Poly(vinyl alcohol) / 0.1M Na2SO4 |
35 |
129 |
0.57 |
Poly(vinyl acetate) / Benzene |
30 |
22.0 |
0.70 |
Poly(vinyl acetate) / Acetone |
25 |
12.7 |
0.72 |
Poly(vinyl chloride) / Tatrahydrofuran |
25 |
15.9 |
0.77 |