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