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Improvement in mechanical and barrier properties of polyethylene blown films using atomic layer deposition
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10.1116/1.4849075
/content/avs/journal/jvsta/32/1/10.1116/1.4849075
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/32/1/10.1116/1.4849075

Figures

Image of FIG. 1.
FIG. 1.

Illustration of the experimental set-up for tensile and illumination tests for evaluating the mechanical stability of an AlO thin film deposited on a polyethylene blown film.

Image of FIG. 2.
FIG. 2.

(Color online) TEM cross-sectional image of an AlO film grown by ALD at 60 °C on a polyethylene blown film: (a) Observation of the AlO film. (b) Observation of the interface between the polymer and AlO film.

Image of FIG. 3.
FIG. 3.

(Color online) Water vapor transmission rate (WVTR) of polyethylene deposited by an AlO thin film with various thicknesses: (a) untreated polymer and (b) plasma-treated polymer.

Image of FIG. 4.
FIG. 4.

SEM images of the surface morphology of a thin film grown by ALD: (a) An AlO thin film deposited on a polyethylene substrate without plasma treatment. (b) An AlO thin film deposited on a plasma-treated polyethylene substrate.

Image of FIG. 5.
FIG. 5.

Relationship between the normalized intensity and the strain observed by the illumination test: (a) Polyethylene blown film. (b) AlO deposited polyethylene blown film at room temperature, 600 cycles. (c) AlO deposited polyethylene blown film at 40 °C, 600 cycles. (d) AlO deposited polyethylene blown film at 60 °C, 600 cycles.

Image of FIG. 6.
FIG. 6.

SEM images of the surface crack morphology of AlO thin film deposited on plasma-treated polyethylene film at 60 °C for 600 cycles: (a) 400× magnification and (b) 1000× magnification in a specific region.

Image of FIG. 7.
FIG. 7.

(Color online) Relationship between initial modulus calculated via microtensile test until ε = 0.007 and the number of ALD cycles. (a) At room temperature (for polyethylene blown film in the MD). (b) At 40 °C (for polyethylene blown film in the MD). (c) At 60 °C (for polyethylene blown film in the MD).

Image of FIG. 8.
FIG. 8.

(Color online) Comparison between the XRD patterns of polyethylene (HDPE) and raw material and at 60 °C for 40 h (cycle time to deposit a 60-nm-thick AlO film on the polymer).

Tables

Generic image for table
TABLE I.

Data of water vapor transmission rate with both untreated and plasma-treated polymer.

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/content/avs/journal/jvsta/32/1/10.1116/1.4849075
2013-12-18
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Improvement in mechanical and barrier properties of polyethylene blown films using atomic layer deposition
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/32/1/10.1116/1.4849075
10.1116/1.4849075
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