// multi-utility computation suite · offline · instant · precise
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sci.polymer-glass-transition-Fox Calculator
Calculates glass transition temperature of a plasticiser-polymer blend using the Fox equation with plasticiser as second component. Adding 15% dibutyl phthalate (Tg = −84 °C) to PVC (Tg = 82 °C) reduces Tg to −10 °C — this is the basis of flexible PVC for cables and vinyl flooring.
Inputs
W1
Body or object weight. For health calculators, usually in kg or lbs.
Tg1 K
Reference formula or conversion factor shown for context.
Tg2 K
Reference formula or conversion factor shown for context.
Results
copolymer Tg (K)
Reference formula or conversion factor shown for context.
copolymer Tg (°C)
Reference formula or conversion factor shown for context.
weight fraction w₂
Mass of this component divided by total vehicle or system mass. Reducing structural weight fraction directly increases payload capacity.