In-situ SAXS study on PET/ PMMT composites during tensile tests

• 作 者: 程伟东 顾晓华 宋雪 曾鹏 吴昭君 邢雪青 默广 吴忠华
• 机 构: College of Materials Science and Engineering Qiqihar University,Department of Practice Teaching and
• 出 处: Chinese Physics B
• 发表日期: 2016年01期
• 关键词: SAXS tensile terephthalate stretching disappear bromide nucleation monomer heati

The nanostructures during the tensile drawing of poly(ethylene terephthalate)(PET)/hexadecyl triphenyl phosphonium bromide montmorillonite(PMMT) nanocomposites were studied by in-situ small angle x-ray scattering. For strain higher than the yield point, the scattering intensity increases dramatically due to the nucleation and growth of nanovoids and crystals. The nanovoids and crystals are significantly dependent on the heating temperature. The effective filling of PMMT in the PET matrix provokes a strong restriction to the long period. The peaks of the long period disappear gradually with the deformation strain increasing from 0% to 34%.

The nanostructures during the tensile drawing of poly (ethylene terephthalate) (PET) / hexadecyl triphenyl phosphonium bromide montmorillonite (PMMT) nanocomposites were studied by in-situ small angle x-ray scattering. For strain higher than the yield point, the scattering intensity increases that due due to the nucleation and growth of nanovoids and crystals. The nanofilms and crystals are significantly dependent on the heating temperature. The effective filling of PMMT in the PET matrix provokes a strong restriction to the long period. The peaks of the long period disappear gradually with the deformation strain increasing from 0% to 34%.