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Deformation-induced structure evolution of poly(butylene terephthalate)/poly(carbonate) blends during uniaxial stretching

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Abstract

The crystalline structure evolution of poly(butylene terephthalate)/poly(carbonate) (PBT/PC) during stretching was investigated by in situ synchrotron wide-angle X-ray scattering (WAXS) and small-angle X-ray scattering (SAXS) at 70 °C. The WAXS results demonstrated that the crystallinity and crystallite size (D100) decrease with deformation. The α–β transition was observed during the deformation of PBT/PC blends. The orientation degree of the PBT (100) diffraction increases with strain in the PBT/PC blends. The SAXS data showed that PC is located in the interlamellar region of PBT for the undeformed samples. A structure model was proposed to describe the stretching-induced structure evolution of the PBT/PC blends.

Graphical abstract: Deformation-induced structure evolution of poly(butylene terephthalate)/poly(carbonate) blends during uniaxial stretching

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Publication details

The article was received on 11 Aug 2017, accepted on 26 Oct 2017 and first published on 27 Oct 2017


Article type: Paper
DOI: 10.1039/C7CE01465A
Citation: CrystEngComm, 2017, Advance Article
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    Deformation-induced structure evolution of poly(butylene terephthalate)/poly(carbonate) blends during uniaxial stretching

    W. Zhang, J. Li, Y. Shang, H. Li, S. Jiang and L. An, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE01465A

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