Abstract
AbstractThe crystallization kinetics of nylon‐6 and nylon‐6 block copolymers (NBC's) containing 1–3 mole % poly(ethylene oxide), PEO, were measured under isothermal and linear cooling conditions. The Avrami equation was used to fit the data. The range of the Avrami index n was from 1.5 to 2.2 for the system studied in the temperature range from 400–454 K. Maximum rate of crystallization was observed in the above temperature range. Nylon‐6 block copolymers showed the maximum crystallization rate at a lower temperature than nylon‐6. When the soft segment exceeded 3 mole %, no crystallization was observed. Cooling rate studies showed the same tendency. The crystallization rate behavior of nylon‐6 block copolymers was similar to the pure nylon.
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