Optical patterns on drawn polyethylene by direct laser writing

Sarah S.D. Lafleur, Lihua Shen (Corresponding author), Ebeltien J.T.W. Kamphuis, Simon J.A. Houben, Luigi Balzano, John R. Severn, Albertus P.H.J. Schenning, Cees W.M. Bastiaansen (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Optical patterns are produced on the surface of drawn linear polyethylene containing 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (BZT), a photothermal dye, by direct laser writing. The photothermal dye absorbs the UV light and dissipates heat in the polyethylene film. This heat locally results in the melting, shrinking, and recrystallization of PE and the loss of the fibrillar crystalline morphology which is typical for these materials. By using this writing method, an optical image can be obtained by controlling the local UV irradiation dose with a pulsed UV laser. The optical image is visible with the naked eye but also between crossed polarizers giving an overt and covert authentication verification that might be interesting for anti-counterfeit applications.

LanguageEnglish
Article number1800811
Number of pages5
JournalMacromolecular Rapid Communications
Volume40
Issue number9
DOIs
StatePublished - 1 May 2019

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Polyethylene
Polyethylenes
Coloring Agents
Dyes
Lasers
Ultraviolet radiation
Authentication
Dosimetry
Melting
Irradiation
Crystalline materials
Hot Temperature

Keywords

  • drawn polyethylene
  • laser writing
  • photo-patterning
  • UV absorbers

Cite this

Lafleur, S. S. D., Shen, L., Kamphuis, E. J. T. W., Houben, S. J. A., Balzano, L., Severn, J. R., ... Bastiaansen, C. W. M. (2019). Optical patterns on drawn polyethylene by direct laser writing. Macromolecular Rapid Communications, 40(9), [1800811]. DOI: 10.1002/marc.201800811
Lafleur, Sarah S.D. ; Shen, Lihua ; Kamphuis, Ebeltien J.T.W. ; Houben, Simon J.A. ; Balzano, Luigi ; Severn, John R. ; Schenning, Albertus P.H.J. ; Bastiaansen, Cees W.M./ Optical patterns on drawn polyethylene by direct laser writing. In: Macromolecular Rapid Communications. 2019 ; Vol. 40, No. 9.
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abstract = "Optical patterns are produced on the surface of drawn linear polyethylene containing 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (BZT), a photothermal dye, by direct laser writing. The photothermal dye absorbs the UV light and dissipates heat in the polyethylene film. This heat locally results in the melting, shrinking, and recrystallization of PE and the loss of the fibrillar crystalline morphology which is typical for these materials. By using this writing method, an optical image can be obtained by controlling the local UV irradiation dose with a pulsed UV laser. The optical image is visible with the naked eye but also between crossed polarizers giving an overt and covert authentication verification that might be interesting for anti-counterfeit applications.",
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Optical patterns on drawn polyethylene by direct laser writing. / Lafleur, Sarah S.D.; Shen, Lihua (Corresponding author); Kamphuis, Ebeltien J.T.W.; Houben, Simon J.A.; Balzano, Luigi; Severn, John R.; Schenning, Albertus P.H.J.; Bastiaansen, Cees W.M. (Corresponding author).

In: Macromolecular Rapid Communications, Vol. 40, No. 9, 1800811, 01.05.2019.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Optical patterns on drawn polyethylene by direct laser writing

AU - Lafleur,Sarah S.D.

AU - Shen,Lihua

AU - Kamphuis,Ebeltien J.T.W.

AU - Houben,Simon J.A.

AU - Balzano,Luigi

AU - Severn,John R.

AU - Schenning,Albertus P.H.J.

AU - Bastiaansen,Cees W.M.

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N2 - Optical patterns are produced on the surface of drawn linear polyethylene containing 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (BZT), a photothermal dye, by direct laser writing. The photothermal dye absorbs the UV light and dissipates heat in the polyethylene film. This heat locally results in the melting, shrinking, and recrystallization of PE and the loss of the fibrillar crystalline morphology which is typical for these materials. By using this writing method, an optical image can be obtained by controlling the local UV irradiation dose with a pulsed UV laser. The optical image is visible with the naked eye but also between crossed polarizers giving an overt and covert authentication verification that might be interesting for anti-counterfeit applications.

AB - Optical patterns are produced on the surface of drawn linear polyethylene containing 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (BZT), a photothermal dye, by direct laser writing. The photothermal dye absorbs the UV light and dissipates heat in the polyethylene film. This heat locally results in the melting, shrinking, and recrystallization of PE and the loss of the fibrillar crystalline morphology which is typical for these materials. By using this writing method, an optical image can be obtained by controlling the local UV irradiation dose with a pulsed UV laser. The optical image is visible with the naked eye but also between crossed polarizers giving an overt and covert authentication verification that might be interesting for anti-counterfeit applications.

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KW - UV absorbers

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Lafleur SSD, Shen L, Kamphuis EJTW, Houben SJA, Balzano L, Severn JR et al. Optical patterns on drawn polyethylene by direct laser writing. Macromolecular Rapid Communications. 2019 May 1;40(9). 1800811. Available from, DOI: 10.1002/marc.201800811