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Effects of synthesis temperature on structures and properties of epoxidized soybean oil oligomers and starch‐based bioplastics.

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Title: Effects of synthesis temperature on structures and properties of epoxidized soybean oil oligomers and starch‐based bioplastics.
Authors: Yang, Jianlei1 (AUTHOR) yangjlly1985@outlook.com, Xu, Shicai1 (AUTHOR), Ran, Xiuzhen2 (AUTHOR), Ching, Yern Chee3 (AUTHOR), Sui, Xiao2 (AUTHOR), Wei, Yunwei1 (AUTHOR)
Source: Polymers for Advanced Technologies. Feb2024, Vol. 35 Issue 2, p1-12. 12p.
Subjects: Soy oil, Biodegradable plastics, Oligomers, Oligomerization, Temperature effect, Hydrogen bonding interactions, Ring-opening polymerization
Abstract: The work investigated the synthesis of the oligomers with citric acid (CA) and epoxidized soybean oils (ESO) at various temperatures and the effects of the oligomers on the structures and properties of starch‐based bioplastics. CA was bonded effectively onto ESO via ring‐opening polymerization at 90°C as confirmed by the results of Fourier‐transform infrared spectroscopy, thermogravimetric analysis, and carboxylic group contents of CA‐ESO oligomers (CESO). The oligomers exhibited higher thermal stability than ESO. Regarding starch‐based bioplastics, CESO disrupted the hydrogen bonding interaction within starch molecules and formed the esterification reaction with starch. The bioplastics containing CESO exhibited remarkably higher structural homogeneity and opacity as the synthesis temperatures of CESO increased. However, the thermal properties of the bioplastics with various CESO reduced, which might be due to the decomposition of starch by CESO. The films containing CESO also exhibited lower tensile strength than the film with ESO, which might be related to the decomposition, crosslinking, and plasticization effects of CESO on starch. The bioplastics with CESO exhibited lower degradation due to a more intense interaction of CESO and starch. The study demonstrated the potential of CA as an interfacial linker of starch/ESO‐based bioplastics by adjusting the synthetic temperatures of CESO. [ABSTRACT FROM AUTHOR]
Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell 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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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Effects of synthesis temperature on structures and properties of epoxidized soybean oil oligomers and starch‐based bioplastics.
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Jianlei%22">Yang, Jianlei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yangjlly1985@outlook.com</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Shicai%22">Xu, Shicai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ran%2C+Xiuzhen%22">Ran, Xiuzhen</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ching%2C+Yern+Chee%22">Ching, Yern Chee</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sui%2C+Xiao%22">Sui, Xiao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Yunwei%22">Wei, Yunwei</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Polymers+for+Advanced+Technologies%22">Polymers for Advanced Technologies</searchLink>. Feb2024, Vol. 35 Issue 2, p1-12. 12p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Soy+oil%22">Soy oil</searchLink><br /><searchLink fieldCode="DE" term="%22Biodegradable+plastics%22">Biodegradable plastics</searchLink><br /><searchLink fieldCode="DE" term="%22Oligomers%22">Oligomers</searchLink><br /><searchLink fieldCode="DE" term="%22Oligomerization%22">Oligomerization</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+effect%22">Temperature effect</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+bonding+interactions%22">Hydrogen bonding interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Ring-opening+polymerization%22">Ring-opening polymerization</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The work investigated the synthesis of the oligomers with citric acid (CA) and epoxidized soybean oils (ESO) at various temperatures and the effects of the oligomers on the structures and properties of starch‐based bioplastics. CA was bonded effectively onto ESO via ring‐opening polymerization at 90°C as confirmed by the results of Fourier‐transform infrared spectroscopy, thermogravimetric analysis, and carboxylic group contents of CA‐ESO oligomers (CESO). The oligomers exhibited higher thermal stability than ESO. Regarding starch‐based bioplastics, CESO disrupted the hydrogen bonding interaction within starch molecules and formed the esterification reaction with starch. The bioplastics containing CESO exhibited remarkably higher structural homogeneity and opacity as the synthesis temperatures of CESO increased. However, the thermal properties of the bioplastics with various CESO reduced, which might be due to the decomposition of starch by CESO. The films containing CESO also exhibited lower tensile strength than the film with ESO, which might be related to the decomposition, crosslinking, and plasticization effects of CESO on starch. The bioplastics with CESO exhibited lower degradation due to a more intense interaction of CESO and starch. The study demonstrated the potential of CA as an interfacial linker of starch/ESO‐based bioplastics by adjusting the synthetic temperatures of CESO. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell 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: 10.1002/pat.6325
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      – Code: eng
        Text: English
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        PageCount: 12
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    Subjects:
      – SubjectFull: Soy oil
        Type: general
      – SubjectFull: Biodegradable plastics
        Type: general
      – SubjectFull: Oligomers
        Type: general
      – SubjectFull: Oligomerization
        Type: general
      – SubjectFull: Temperature effect
        Type: general
      – SubjectFull: Hydrogen bonding interactions
        Type: general
      – SubjectFull: Ring-opening polymerization
        Type: general
    Titles:
      – TitleFull: Effects of synthesis temperature on structures and properties of epoxidized soybean oil oligomers and starch‐based bioplastics.
        Type: main
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            NameFull: Yang, Jianlei
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            NameFull: Xu, Shicai
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            NameFull: Ran, Xiuzhen
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            NameFull: Ching, Yern Chee
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            NameFull: Sui, Xiao
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            – D: 01
              M: 02
              Text: Feb2024
              Type: published
              Y: 2024
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              Value: 35
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