Comparison of the properties of poly(butylene terephthalate) nanocomposite fibers with different organoclays
- Authors
- Kim, Jeong-Cheol; Chang, Jin-Hae
- Issue Date
- Aug-2007
- Publisher
- POLYMER SOC KOREA
- Keywords
- poly(butylene terephthalate); nanocomposite; organoclay; fiber
- Citation
- MACROMOLECULAR RESEARCH, v.15, no.5, pp 449 - 458
- Pages
- 10
- Journal Title
- MACROMOLECULAR RESEARCH
- Volume
- 15
- Number
- 5
- Start Page
- 449
- End Page
- 458
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/27222
- DOI
- 10.1007/BF03218813
- ISSN
- 1598-5032
2092-7673
- Abstract
- The aims of this study were to investigate the intercalation of polymer chains with organoclays and improve the thermo-mechanical properties of poly(butylene terephthalate) (PBT) hybrids by comparing PBT hybrids synthesized using two different organoclays. The organoclays; dodecyltriplieiiylphosphonium-montmorillonite (C12PPh-MMT) and dodecyltriphenyiphosphonium-mica (C12PPh-Mica), were used to fabricate the PBT hybrid fibers. Variations in the properties of the hybrid fibers with the organoclays within the polymer matrix, as well as the draw ratio (DR), are discussed. The thermo-mechanical properties and morphologies of the PBT hybrid fibers were characterized using differential scanning calorimetry, thermogravimetric analysis, wide-angle X-ray diffraction, electron microscopy and mechanical tensile properties analysis. The nanostructures of the hybrid fibers were determined using both scanning and transmission electron microscopies, which showed some of the clay layers to be well dispersed within the matrix polymer, although some clustered or agglomerated particles were also detected. The thermal properties of the hybrid fibers were found to be better than those of the pure PBT fibers at a DR = 1. The tensile mechanical properties of the C12PPh-MMT hybrid fibers were found to worsen with increasing DR. However, the initial moduli of the C12PPh-Mica hybrid fibers were found to slightly increase on increasing the DR from I to 18.
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