Intrinsic viscosity [η], Kwert-Value and viscosity average molecular relationship for some polymers

الملخص EN

In this work, the dilute solution properties of poly (lactic acid) (PLA), polystyrene (PS), polycarbonate (PC) and polybutene-1 (PB-1) and a relationship between Kwert-Value and intrinsic viscosity [η] was obtained.

Relative viscosity (ηrel) for 0.1 and 0.4 (g/mol) solutions was experimentally determined using UBBELOHDE viscometer.

The obtained values of relative viscosity were used to determined Kwert-Value, intrinsic viscosity and molecular weight for the studied polymers.

The results show that the relationship between Kwert-Value and intrinsic viscosity [η] does not depend on the polymer type and concentration.