QUANTITATIVE ORIENTATIONAL CHARACTERIZATION OF LOW-DENSITY POLYETHYLENE BLOWN FILMS BY X-RAY AND BIREFRINGENCE

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TAHERI GHAZVINI N.; MOHAMMADI N.; GHAFFARIAN S.R.; ASEM POUR H.; HAGHIGHATKISH M.

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Journal Paper

Paper Information

Journal: Iranian Polymer Journal Year:2002 | Volume:11 | Issue:6 Page(s): 359-364

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Title

QUANTITATIVE ORIENTATIONAL CHARACTERIZATION OF LOW-DENSITY POLYETHYLENE BLOWN FILMS BY X-RAY AND BIREFRINGENCE

Author(s)

Keywords

POLYETHYLENE

BLOWN FILMS

ORIENTATION

BIREFRINGENCE

X-RAY DIFFRACTION

Abstract

The effect of two important parameters of film blowing process i.e. take-up ratio and blow-up ratio, on the overall ORIENTATION of low density BLOWN FILMS have been investigated using BIREFRINGENCE measurements. Furthermore, by combining X-RAY DIFFRACTION pole figure analysis and BIREFRINGENCE, the White and Spruiell biaxial ORIENTATION functions have been determined for afformentioned sample. Within the range of processing condition studied, increasing take-up ratio, increases ORIENTATION in both machine and transverse direction. Upon increasing blow-up ratio, ORIENTATION in the transverse direction increases and the overall ORIENTATION state approaches to equal biaxial one. Characterization of the crystalline regions by pole figure analysis reveals that a and b crystallographic axes preferentially orientate in the film plane and the direction normal to it, respectively. The amorphous regions do not have any preferential ORIENTATION.

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APA: Copy

TAHERI GHAZVINI, N., MOHAMMADI, N., GHAFFARIAN, S.R., ASEM POUR, H., & HAGHIGHATKISH, M.. (2002). QUANTITATIVE ORIENTATIONAL CHARACTERIZATION OF LOW-DENSITY POLYETHYLENE BLOWN FILMS BY X-RAY AND BIREFRINGENCE. IRANIAN POLYMER JOURNAL (ENGLISH), 11(6), 359-364. SID. https://sid.ir/paper/529833/en

Vancouver: Copy

TAHERI GHAZVINI N., MOHAMMADI N., GHAFFARIAN S.R., ASEM POUR H., HAGHIGHATKISH M.. QUANTITATIVE ORIENTATIONAL CHARACTERIZATION OF LOW-DENSITY POLYETHYLENE BLOWN FILMS BY X-RAY AND BIREFRINGENCE. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2002;11(6):359-364. Available from: https://sid.ir/paper/529833/en

IEEE: Copy

N. TAHERI GHAZVINI, N. MOHAMMADI, S.R. GHAFFARIAN, H. ASEM POUR, and M. HAGHIGHATKISH, “QUANTITATIVE ORIENTATIONAL CHARACTERIZATION OF LOW-DENSITY POLYETHYLENE BLOWN FILMS BY X-RAY AND BIREFRINGENCE,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 11, no. 6, pp. 359–364, 2002, [Online]. Available: https://sid.ir/paper/529833/en

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