Improving the Transparency of Ultra-Drawn Melt-Crystallized Polyethylenes: Toward high-modulus/high-strength window application

L. Shen, K. Nickmans, J. Severn, C.W.M. Bastiaansen

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)
7 Downloads (Pure)

Abstract

Highly transparent, ultradrawn high-density polyethylene (HDPE) films were successfully prepared using compression molding and solid-state drawing techniques. The low optical transmittance (90%) by incorporating a small amount (>1 wt %/wt) of specific additives to HDPE materials prior to drawing. It is shown that additives with relatively high refractive index result in an increased optical transmittance in the visible light wavelength which illustrates that the improvement in optical characteristics probably originates from refractive index matching between the crystalline and noncrystalline regions in the drawn films. Moreover, the optically transparent drawn HDPE films containing additives maintain their physical and mechanical properties, especially their high modulus and high strength, which make these films potentially useful in a variety of applications, such as high-impact windows.

Original languageEnglish
Pages (from-to)17549-17554
Number of pages6
JournalACS Applied Materials & Interfaces
Volume8
Issue number27
DOIs
Publication statusPublished - 13 Jul 2016

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Polyethylenes
Transparency
Polyethylene
High density polyethylenes
Opacity
Refractive index
Compression molding
Physical properties
Crystalline materials
Wavelength
Mechanical properties

Keywords

  • high-density polyethylenes
  • modulus
  • solid state drawing
  • strength
  • transparency

Cite this

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abstract = "Highly transparent, ultradrawn high-density polyethylene (HDPE) films were successfully prepared using compression molding and solid-state drawing techniques. The low optical transmittance (90{\%}) by incorporating a small amount (>1 wt {\%}/wt) of specific additives to HDPE materials prior to drawing. It is shown that additives with relatively high refractive index result in an increased optical transmittance in the visible light wavelength which illustrates that the improvement in optical characteristics probably originates from refractive index matching between the crystalline and noncrystalline regions in the drawn films. Moreover, the optically transparent drawn HDPE films containing additives maintain their physical and mechanical properties, especially their high modulus and high strength, which make these films potentially useful in a variety of applications, such as high-impact windows.",
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Improving the Transparency of Ultra-Drawn Melt-Crystallized Polyethylenes : Toward high-modulus/high-strength window application. / Shen, L.; Nickmans, K.; Severn, J.; Bastiaansen, C.W.M.

In: ACS Applied Materials & Interfaces, Vol. 8, No. 27, 13.07.2016, p. 17549-17554.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Improving the Transparency of Ultra-Drawn Melt-Crystallized Polyethylenes

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AU - Nickmans, K.

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AU - Bastiaansen, C.W.M.

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AB - Highly transparent, ultradrawn high-density polyethylene (HDPE) films were successfully prepared using compression molding and solid-state drawing techniques. The low optical transmittance (90%) by incorporating a small amount (>1 wt %/wt) of specific additives to HDPE materials prior to drawing. It is shown that additives with relatively high refractive index result in an increased optical transmittance in the visible light wavelength which illustrates that the improvement in optical characteristics probably originates from refractive index matching between the crystalline and noncrystalline regions in the drawn films. Moreover, the optically transparent drawn HDPE films containing additives maintain their physical and mechanical properties, especially their high modulus and high strength, which make these films potentially useful in a variety of applications, such as high-impact windows.

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