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Transparency, ultraviolet transmittance, and miscibility of poly(lactic acid)/poly(methyl methacrylate) blends.

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Title: Transparency, ultraviolet transmittance, and miscibility of poly(lactic acid)/poly(methyl methacrylate) blends.
Authors: Teoh, E. L.1, Chow, W. S.1 shyang@usm.my
Source: Journal of Elastomers & Plastics. Nov2018, Vol. 50 Issue 7, p596-610. 15p.
Subjects: Transparencies, Methyl methacrylate, Dynamic mechanical analysis, Polymer blends, Ultraviolet radiation
Abstract: Poly(lactic acid)/poly(methyl methacrylate) (PLA/PMMA) blends were prepared by melt compounding technique. The miscibility of PLA/PMMA blends at various blending ratios (i.e. 80/20, 60/40, 40/60, and 20/80) was investigated using a dynamic mechanical analyzer (DMA) and solvent uptake experiment. The solvent uptake experiment was conducted to estimate the interaction of PLA/PMMA blends based on the calculation of Flory–Huggins interaction parameter (χ12). DMA results revealed that only single glass transition temperature (Tg) existed along the PLA/PMMA blends. Smallest χ12 (i.e. −0.03) was found on the PLA/PMMA20 blend, suggesting interaction between PLA and PMMA at this composition. The incorporation of PMMA slightly improved the UV protection properties of the PLA/PMMA blend, while maintaining their optical transparency. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Elastomers & Plastics is the property of Sage Publications Inc. 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.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: Transparency, ultraviolet transmittance, and miscibility of poly(lactic acid)/poly(methyl methacrylate) blends.
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  Data: <searchLink fieldCode="AR" term="%22Teoh%2C+E%2E+L%2E%22">Teoh, E. L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chow%2C+W%2E+S%2E%22">Chow, W. S.</searchLink><relatesTo>1</relatesTo><i> shyang@usm.my</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Elastomers+%26+Plastics%22">Journal of Elastomers & Plastics</searchLink>. Nov2018, Vol. 50 Issue 7, p596-610. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Transparencies%22">Transparencies</searchLink><br /><searchLink fieldCode="DE" term="%22Methyl+methacrylate%22">Methyl methacrylate</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+mechanical+analysis%22">Dynamic mechanical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Polymer+blends%22">Polymer blends</searchLink><br /><searchLink fieldCode="DE" term="%22Ultraviolet+radiation%22">Ultraviolet radiation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Poly(lactic acid)/poly(methyl methacrylate) (PLA/PMMA) blends were prepared by melt compounding technique. The miscibility of PLA/PMMA blends at various blending ratios (i.e. 80/20, 60/40, 40/60, and 20/80) was investigated using a dynamic mechanical analyzer (DMA) and solvent uptake experiment. The solvent uptake experiment was conducted to estimate the interaction of PLA/PMMA blends based on the calculation of Flory–Huggins interaction parameter (χ12). DMA results revealed that only single glass transition temperature (Tg) existed along the PLA/PMMA blends. Smallest χ12 (i.e. −0.03) was found on the PLA/PMMA20 blend, suggesting interaction between PLA and PMMA at this composition. The incorporation of PMMA slightly improved the UV protection properties of the PLA/PMMA blend, while maintaining their optical transparency. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Elastomers & Plastics is the property of Sage Publications Inc. 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: 10.1177/0095244317743067
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      – Code: eng
        Text: English
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        PageCount: 15
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      – SubjectFull: Transparencies
        Type: general
      – SubjectFull: Methyl methacrylate
        Type: general
      – SubjectFull: Dynamic mechanical analysis
        Type: general
      – SubjectFull: Polymer blends
        Type: general
      – SubjectFull: Ultraviolet radiation
        Type: general
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      – TitleFull: Transparency, ultraviolet transmittance, and miscibility of poly(lactic acid)/poly(methyl methacrylate) blends.
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              M: 11
              Text: Nov2018
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              Y: 2018
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