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ToF-SIMS investigation of the thermally induced processes at the surface of polyester based polymer blends

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Title: ToF-SIMS investigation of the thermally induced processes at the surface of polyester based polymer blends
Authors: Auditore, Alessandro1, Samperi, Filippo2, Puglisi, Concetto2, Licciardello, Antonino1 alicciar@unict.it
Source: Composites Science & Technology. Jun2003, Vol. 63 Issue 8, p1213. 7p.
Subjects: Surfaces (Technology), Metal-filled plastics
Abstract: Surface evolution caused by thermal processing at 270 °C of blends of bisphenol-A polycarbonate (PC) with polyethyleneterephthalate (PET) or with polybuthyleneterephthalate (PBT) has been investigated by ToF-SIMS. Such systems are known, upon melt mixing, to undergo transesterification reactions leading to the formation of copolymers. In the case of PET–PC, the transesterification is accompanied by reactions involving the loss of small molecules from the resulting copolymer, whereas the copolymer resulting from the transesterification of PBT–PC is stable at the temperature under consideration. We report on Static SIMS measurements performed on blend samples melt mixed for different times, that show a complex evolution of surface composition, explained also in terms of surface-specific processes, such as segregation of lower surface free energy components. The results from the melt mixed system are compared with those obtained from parallel temperature-programmed ToF-SIMS experiment, performed on spin-cast thin films. [Copyright &y& Elsevier]
Copyright of Composites Science & Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 9497782
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PubType: Academic Journal
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  Data: ToF-SIMS investigation of the thermally induced processes at the surface of polyester based polymer blends
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  Data: <searchLink fieldCode="AR" term="%22Auditore%2C+Alessandro%22">Auditore, Alessandro</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Samperi%2C+Filippo%22">Samperi, Filippo</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Puglisi%2C+Concetto%22">Puglisi, Concetto</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Licciardello%2C+Antonino%22">Licciardello, Antonino</searchLink><relatesTo>1</relatesTo><i> alicciar@unict.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Composites+Science+%26+Technology%22">Composites Science & Technology</searchLink>. Jun2003, Vol. 63 Issue 8, p1213. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Surfaces+%28Technology%29%22">Surfaces (Technology)</searchLink><br /><searchLink fieldCode="DE" term="%22Metal-filled+plastics%22">Metal-filled plastics</searchLink>
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  Data: Surface evolution caused by thermal processing at 270 °C of blends of bisphenol-A polycarbonate (PC) with polyethyleneterephthalate (PET) or with polybuthyleneterephthalate (PBT) has been investigated by ToF-SIMS. Such systems are known, upon melt mixing, to undergo transesterification reactions leading to the formation of copolymers. In the case of PET–PC, the transesterification is accompanied by reactions involving the loss of small molecules from the resulting copolymer, whereas the copolymer resulting from the transesterification of PBT–PC is stable at the temperature under consideration. We report on Static SIMS measurements performed on blend samples melt mixed for different times, that show a complex evolution of surface composition, explained also in terms of surface-specific processes, such as segregation of lower surface free energy components. The results from the melt mixed system are compared with those obtained from parallel temperature-programmed ToF-SIMS experiment, performed on spin-cast thin films. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Composites Science & Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/S0266-3538(03)00080-0
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      – Code: eng
        Text: English
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        PageCount: 7
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      – TitleFull: ToF-SIMS investigation of the thermally induced processes at the surface of polyester based polymer blends
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              Text: Jun2003
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