Crystal growth front

The presence of droplet-like domains along the path of the crystallizing growth front can markedly... 

In the case of homopolymers, the growth rate of a lamellar crystal is controlled by two processes on the rme hand by the ability of forming a surface nucleus (determined by the degree of imdercooUng, AT = T —T and on the other hand by the ability of diffusion of the chain molecules toward the crystal growth front (determined by the difference between the crystallization temperature, Tc, and the glass-transition temperature, T. Both processes are inversely dependent on temperature a maximum rate of crystal growth is usually observed at temperatures close to Tmax (Jg + 7) )/2. 

Fig. 3.6. Schematic demonstration of the free-energy barrier for secondary nucleation of single chains on the crystal growth front. The dashed line indicates the equilibrium condition for the critical chain length [47]...

However, in the case of immiscible blends with a crystallizable matrix, the spherulite growth can be disturbed to a certain degree by the presence of an amorphous dispersed phase and intentional seeding (nanofillers) localized in the crystallizable matrix or at the interface. In the presence of molten or glassy dispersed phase, along the path of crystallization growth front can markedly disturb the... 

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