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Combined use of sepiolite and a hyperbranched polyester in the modification of epoxy/anhydride coatings: A study of the curing process and the final properties

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Title: Combined use of sepiolite and a hyperbranched polyester in the modification of epoxy/anhydride coatings: A study of the curing process and the final properties
Authors: Foix, D.1, Rodríguez, M.T.2, Ferrando, F.3, Ramis, X.4, Serra, A.1 angels.serra@urv.cat
Source: Progress in Organic Coatings. Dec2012, Vol. 75 Issue 4, p364-372. 9p.
Subjects: Meerschaum, Polyesters, Epoxy compounds, Anhydrides, Surface coatings, Curing, Ether (Anesthetic), Bisphenol A
Abstract: Abstract: The curing reaction of formulations of diglycidyl ether of bisphenol A (DGEBA) and tetrahydrophthalic anhydride (THPA) catalyzed with a tertiary amine and containing sepiolite and/or hyperbranched poly(ester) has been studied by means of DSC, and the effect of each additive has been evaluated. The resulting coatings have been characterized by DMTA, TGA and also the shrinkage during the curing process has been determined. The influence of the additives in the toughness of the resulting coatings has been determined by performing standardized impact tests and observing the fracture surfaces by SEM. The values of impact strength have been correlated to the morphology of the samples by means of TEM. Also microhardness of the cured materials has been measured. [Copyright &y& Elsevier]
Copyright of Progress in Organic Coatings 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 79805145
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Combined use of sepiolite and a hyperbranched polyester in the modification of epoxy/anhydride coatings: A study of the curing process and the final properties
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  Data: <searchLink fieldCode="AR" term="%22Foix%2C+D%2E%22">Foix, D.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Rodríguez%2C+M%2ET%2E%22">Rodríguez, M.T.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Ferrando%2C+F%2E%22">Ferrando, F.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ramis%2C+X%2E%22">Ramis, X.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Serra%2C+A%2E%22">Serra, A.</searchLink><relatesTo>1</relatesTo><i> angels.serra@urv.cat</i>
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  Data: <searchLink fieldCode="JN" term="%22Progress+in+Organic+Coatings%22">Progress in Organic Coatings</searchLink>. Dec2012, Vol. 75 Issue 4, p364-372. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Meerschaum%22">Meerschaum</searchLink><br /><searchLink fieldCode="DE" term="%22Polyesters%22">Polyesters</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+compounds%22">Epoxy compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Anhydrides%22">Anhydrides</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+coatings%22">Surface coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Curing%22">Curing</searchLink><br /><searchLink fieldCode="DE" term="%22Ether+%28Anesthetic%29%22">Ether (Anesthetic)</searchLink><br /><searchLink fieldCode="DE" term="%22Bisphenol+A%22">Bisphenol A</searchLink>
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  Data: Abstract: The curing reaction of formulations of diglycidyl ether of bisphenol A (DGEBA) and tetrahydrophthalic anhydride (THPA) catalyzed with a tertiary amine and containing sepiolite and/or hyperbranched poly(ester) has been studied by means of DSC, and the effect of each additive has been evaluated. The resulting coatings have been characterized by DMTA, TGA and also the shrinkage during the curing process has been determined. The influence of the additives in the toughness of the resulting coatings has been determined by performing standardized impact tests and observing the fracture surfaces by SEM. The values of impact strength have been correlated to the morphology of the samples by means of TEM. Also microhardness of the cured materials has been measured. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Progress in Organic Coatings 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.porgcoat.2012.07.013
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 9
        StartPage: 364
    Subjects:
      – SubjectFull: Meerschaum
        Type: general
      – SubjectFull: Polyesters
        Type: general
      – SubjectFull: Epoxy compounds
        Type: general
      – SubjectFull: Anhydrides
        Type: general
      – SubjectFull: Surface coatings
        Type: general
      – SubjectFull: Curing
        Type: general
      – SubjectFull: Ether (Anesthetic)
        Type: general
      – SubjectFull: Bisphenol A
        Type: general
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      – TitleFull: Combined use of sepiolite and a hyperbranched polyester in the modification of epoxy/anhydride coatings: A study of the curing process and the final properties
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              M: 12
              Text: Dec2012
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              Y: 2012
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