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2D Sequence-Coded Oligourethane Barcodes for Plastic Materials Labeling.

Denise Karamessini1, Salomé Poyer2, Laurence Charles2

  • 1Université de Strasbourg, CNRS, Institut Charles Sadron UPR22, 23 rue du Loess, 67034, Strasbourg Cedex 2, France.

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|August 24, 2017
PubMed
Summary
This summary is machine-generated.

Uniform sequence-defined oligourethanes function as 2D molecular barcodes for polymer labeling. These oligourethane libraries, deciphered by mass spectrometry, offer advanced anti-counterfeiting and traceability solutions for commodity plastics.

Keywords:
anti-counterfeiting technologiesdigital polymersinformation-containing macromoleculessequence-controlled polymerssequencing

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Analytical Chemistry

Background:

  • Developing robust molecular tagging systems is crucial for product authentication and supply chain management.
  • Existing methods for polymer identification can be limited in scope or prone to degradation.
  • Sequence-defined oligomers offer precise structural control for advanced material applications.

Purpose of the Study:

  • To evaluate uniform sequence-defined oligourethanes as 2D molecular barcodes for commodity polymers.
  • To develop and incorporate polydispersed oligourethane libraries into polystyrene, polyvinylchloride, and polyethylene terephthalate.
  • To demonstrate the extraction and deciphering of these molecular barcodes for traceability.

Main Methods:

  • Synthesis of six uniform sequence-defined oligourethanes using solid-phase iterative synthesis and a binary monomer alphabet.
  • Creation of polydispersed oligourethane libraries (3- and 4-component) for encoding binary sequences.
  • Incorporation of oligourethane libraries into commodity polymers via solvent casting.
  • Extraction and analysis of oligourethane mixtures using high-resolution mass spectrometry.

Main Results:

  • All synthesized oligomers were confirmed to be uniform and sequence-defined.
  • Polydispersed oligourethane libraries were successfully incorporated into polystyrene, polyvinylchloride, and polyethylene terephthalate.
  • Oligomer mixtures could be reliably extracted from polymer films and deciphered by mass spectrometry.
  • The system demonstrated the encoding of a 2-byte model binary sequence.

Conclusions:

  • Uniform sequence-defined oligourethanes serve as effective 2D molecular barcodes for commodity plastics.
  • The developed method enables secure labeling and traceability of polymers.
  • This approach presents significant potential for anti-counterfeiting applications in the materials industry.