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2006•Journal of Macromolecular Science Part BRequires access

Crystallization Behavior and Crystal Morphology of PTT/PBT Blends

Guijuan Li, Kunyan Wang, Xueli Xu, Baojie Yu, Shugang Li, Yanmo Chen

Open publisher page 12 citations

Abstract

The crystallization behavior and crystal morphology of the poly(trimethyl terephthalate) (PTT)/poly(butylene terephthalate) (PBT) blends were investigated by means of differential scanning calorimetry (DSC), wide angle X‐ray diffraction (WAXD) and polarized light microscopy (PLM) techniques. It was found that the two components crystallized simultaneously in the crystalline regions. The degree of crystallinity changed with PTT content. Crystalline properties were worse when the ratio of PBT and PTT contents was close to 50:50, but were better when PBT content was greatly different from PTT content.

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What this paper is about

The crystallization behavior and crystal morphology of the poly(trimethyl terephthalate) (PTT)/poly(butylene terephthalate) (PBT) blends were investigated by means of differential scanning calorimetry (DSC), wide angle X‐ray diffraction (WAXD) and polarized light microscopy (PLM) techniques. It was found that the two components crystallized simultaneously in the crystalline regions. The degree of crystallinity changed with PTT content. Crystalline properties were worse when the ratio of PBT and PTT contents was close to 50:50, but were better when PBT content was greatly different from PTT content.

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Available abstract

The crystallization behavior and crystal morphology of the poly(trimethyl terephthalate) (PTT)/poly(butylene terephthalate) (PBT) blends were investigated by means of differential scanning calorimetry (DSC), wide angle X‐ray diffraction (WAXD) and polarized light microscopy (PLM) techniques. It was found that the two components crystallized simultaneously in the crystalline regions. The degree of crystallinity changed with PTT content. Crystalline properties were worse when the ratio of PBT and PTT contents was close to 50:50, but were better when PBT content was greatly different from PTT content.

Key concepts: Crystallinity, Differential scanning calorimetry, Crystallization, Materials science, Morphology (biology), Optical microscope, Crystal (programming language), Polarized light microscopy

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