Properties of polyamide 6,10/poly(vinyl alcohol) blends and impact on oxygen barrier performance

Jia Wei Wu; Ya Qiong Huang; Hong Bo Li; James Runt; Jen Taut Yeh

doi:10.1002/pi.5528

Properties of polyamide 6,10/poly(vinyl alcohol) blends and impact on oxygen barrier performance

Jia Wei Wu, Ya Qiong Huang, Hong Bo Li, James Runt, Jen Taut Yeh

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The oxygen transmission rate, average volume of free-volume cavities (V_f) and fractional free volume (F_v) of polyamide 6,10 (PA610)/poly(vinyl alcohol) (PVA) (i.e. PA610_xPVA⁰⁵ _y, PA610_xPVA⁰⁸ _y and PA610_xPVA¹⁴ _y) blend films reduced to minimum values when their PVA contents reached corresponding optimal values. Oxygen transmission rate, V_f and F_v values obtained for optimal PA610_xPVA^z _y blown films were reduced considerably with decreasing PVA degrees of polymerization. The oxygen transmission rate of the optimal bio-based PA610₈₀PVA⁰⁵ ₂₀ blown film was only 2.4 cm³ (m²·day·atm)⁻¹, which is about the same as that of the most often used high-barrier polymer, ethylene–vinyl alcohol copolymer. Experimental findings from dynamic mechanical analysis, differential scanning calorimetry, wide-angle X-ray diffraction and Fourier transform infrared spectroscopy of the PA610_xPVA^z _y blends indicate that PA610 and PVA in the blends are miscible to some extent at the molecular level when the PVA contents are less than or equal to the corresponding optimal values. The considerably enhanced oxygen barrier properties of the PA610_xPVA^z _y blend films with optimized compositions are attributed to the significantly reduced local free-volume characteristics.

Original language	English (US)
Pages (from-to)	453-462
Number of pages	10
Journal	Polymer International
Volume	67
Issue number	4
DOIs	https://doi.org/10.1002/pi.5528
State	Published - Apr 2018

All Science Journal Classification (ASJC) codes

Polymers and Plastics
Organic Chemistry
Materials Chemistry

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title = "Properties of polyamide 6,10/poly(vinyl alcohol) blends and impact on oxygen barrier performance",

abstract = "The oxygen transmission rate, average volume of free-volume cavities (Vf) and fractional free volume (Fv) of polyamide 6,10 (PA610)/poly(vinyl alcohol) (PVA) (i.e. PA610xPVA05 y, PA610xPVA08 y and PA610xPVA14 y) blend films reduced to minimum values when their PVA contents reached corresponding optimal values. Oxygen transmission rate, Vf and Fv values obtained for optimal PA610xPVAz y blown films were reduced considerably with decreasing PVA degrees of polymerization. The oxygen transmission rate of the optimal bio-based PA61080PVA05 20 blown film was only 2.4 cm3 (m2·day·atm)−1, which is about the same as that of the most often used high-barrier polymer, ethylene–vinyl alcohol copolymer. Experimental findings from dynamic mechanical analysis, differential scanning calorimetry, wide-angle X-ray diffraction and Fourier transform infrared spectroscopy of the PA610xPVAz y blends indicate that PA610 and PVA in the blends are miscible to some extent at the molecular level when the PVA contents are less than or equal to the corresponding optimal values. The considerably enhanced oxygen barrier properties of the PA610xPVAz y blend films with optimized compositions are attributed to the significantly reduced local free-volume characteristics.",

author = "Wu, {Jia Wei} and Huang, {Ya Qiong} and Li, {Hong Bo} and James Runt and Yeh, {Jen Taut}",

note = "Publisher Copyright: {\textcopyright} 2017 Society of Chemical Industry",

year = "2018",

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doi = "10.1002/pi.5528",

language = "English (US)",

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pages = "453--462",

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T1 - Properties of polyamide 6,10/poly(vinyl alcohol) blends and impact on oxygen barrier performance

AU - Wu, Jia Wei

AU - Huang, Ya Qiong

AU - Li, Hong Bo

AU - Runt, James

AU - Yeh, Jen Taut

PY - 2018/4

Y1 - 2018/4

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AB - The oxygen transmission rate, average volume of free-volume cavities (Vf) and fractional free volume (Fv) of polyamide 6,10 (PA610)/poly(vinyl alcohol) (PVA) (i.e. PA610xPVA05 y, PA610xPVA08 y and PA610xPVA14 y) blend films reduced to minimum values when their PVA contents reached corresponding optimal values. Oxygen transmission rate, Vf and Fv values obtained for optimal PA610xPVAz y blown films were reduced considerably with decreasing PVA degrees of polymerization. The oxygen transmission rate of the optimal bio-based PA61080PVA05 20 blown film was only 2.4 cm3 (m2·day·atm)−1, which is about the same as that of the most often used high-barrier polymer, ethylene–vinyl alcohol copolymer. Experimental findings from dynamic mechanical analysis, differential scanning calorimetry, wide-angle X-ray diffraction and Fourier transform infrared spectroscopy of the PA610xPVAz y blends indicate that PA610 and PVA in the blends are miscible to some extent at the molecular level when the PVA contents are less than or equal to the corresponding optimal values. The considerably enhanced oxygen barrier properties of the PA610xPVAz y blend films with optimized compositions are attributed to the significantly reduced local free-volume characteristics.

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Properties of polyamide 6,10/poly(vinyl alcohol) blends and impact on oxygen barrier performance

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