David Schrader Designed Thermoplastics Research, The ... .fr

Physical Constants of Poly(styrene) ... Typical creep behavior for rubber-modified styrene polymers. .... Copolymers and Derivatives", Reinhold, New York,. 1952.
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Physical Constants of Poly(styrene) Davd i Schrader Desg ined Thermopalscits Research, The Dow Chemcial Company,Md ialnd, Ml, USA Property Birefringence

Value

Remarks

Refs.

A + B/\2 + C/\A

A = 0.8905 5 = 0.275 XlO- 9 Cm 2 C = 0.153 x 10" 18 Cm 4

21

6 - 8 x 10 ~5 1.7-2.1 x 10" 4 5.1-6.0 x l O ~ 4 0.515 0.744 >2 0.25 2.65 See solubility parameter Toluene, perchloroethylene, carbon tetrachloride, carbon disulfide, tetralin, dioxane, MEK, pyridine, cyclohexanone, ethyl acetate 220 x 10 "6 3000 See Ref.