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The effect of a small amount of poly(ethylene naphthalate) (PEN) in its blends with poly(trimethylene terephthalate) (PTT) on isothermal melt-crystallization kinetics and spherulitic morphology of the blends was thoroughly investigated. The maximum PEN content in the blends was 9wt%. Due to the single composition-dependent glass transition temperature (T g ) that was observed for each blend,...
Poly(trimethylene terephthalate) (PTT)/poly(ethylene naphthalate) (PEN) blends were miscible in the amorphous state in all of the blend compositions studied, as evidenced by a single, composition-dependent glass transition temperature (T g ) observed for each blend composition. The variation in the T g value with the blend composition was well predicted by the Gordon–Taylor equation,...
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