Separation of tear energy of polyethylene blown films using essential work of energy

Byoung Ho Choi; A. Willem DeGroot; Mehmet Demirors; Rajen M. Patel

Separation of tear energy of polyethylene blown films using essential work of energy

Byoung Ho Choi, A. Willem DeGroot, Mehmet Demirors, Rajen M. Patel

School of Mechanical Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

Tear is practically important because it can be varied significantly due to the formation of asymmetric chain and crystal orientation once the processing condition is changed. ASTM has a very practical standard for tear test, i.e. the Elmendorf tear test (ASTM D1922), but this method has been criticized due to its lack of scientific validity. Recently, the essential work of fracture (EWF) test has been shown to be applicable to characterize in-plane tear of polyethylene thin films. In this paper, the relation between out-of-plane tear (i.e. Elmendorf tear) and in-plane tear (i.e. EWF) of five types of high density polyethylene (HDPE) and linear low density (LLDPE) films is experimentally investigated by separating tear energies. In addition, the fundamental mechanism of tear of polyethylene blown films is discussed based on fracture mechanics concepts.

Original language	English
Publication status	Published - 2013
Event	2013 SPE International Polyolefins Conference - Houston, TX, United States Duration: 2013 Feb 24 → 2013 Feb 27

Other

Other	2013 SPE International Polyolefins Conference
Country	United States
City	Houston, TX
Period	13/2/24 → 13/2/27

ASJC Scopus subject areas

Geochemistry and Petrology

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title = "Separation of tear energy of polyethylene blown films using essential work of energy",

abstract = "Tear is practically important because it can be varied significantly due to the formation of asymmetric chain and crystal orientation once the processing condition is changed. ASTM has a very practical standard for tear test, i.e. the Elmendorf tear test (ASTM D1922), but this method has been criticized due to its lack of scientific validity. Recently, the essential work of fracture (EWF) test has been shown to be applicable to characterize in-plane tear of polyethylene thin films. In this paper, the relation between out-of-plane tear (i.e. Elmendorf tear) and in-plane tear (i.e. EWF) of five types of high density polyethylene (HDPE) and linear low density (LLDPE) films is experimentally investigated by separating tear energies. In addition, the fundamental mechanism of tear of polyethylene blown films is discussed based on fracture mechanics concepts.",

author = "Choi, {Byoung Ho} and DeGroot, {A. Willem} and Mehmet Demirors and Patel, {Rajen M.}",

year = "2013",

language = "English",

note = "2013 SPE International Polyolefins Conference ; Conference date: 24-02-2013 Through 27-02-2013",

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T1 - Separation of tear energy of polyethylene blown films using essential work of energy

AU - Choi, Byoung Ho

AU - DeGroot, A. Willem

AU - Demirors, Mehmet

AU - Patel, Rajen M.

PY - 2013

Y1 - 2013

N2 - Tear is practically important because it can be varied significantly due to the formation of asymmetric chain and crystal orientation once the processing condition is changed. ASTM has a very practical standard for tear test, i.e. the Elmendorf tear test (ASTM D1922), but this method has been criticized due to its lack of scientific validity. Recently, the essential work of fracture (EWF) test has been shown to be applicable to characterize in-plane tear of polyethylene thin films. In this paper, the relation between out-of-plane tear (i.e. Elmendorf tear) and in-plane tear (i.e. EWF) of five types of high density polyethylene (HDPE) and linear low density (LLDPE) films is experimentally investigated by separating tear energies. In addition, the fundamental mechanism of tear of polyethylene blown films is discussed based on fracture mechanics concepts.

AB - Tear is practically important because it can be varied significantly due to the formation of asymmetric chain and crystal orientation once the processing condition is changed. ASTM has a very practical standard for tear test, i.e. the Elmendorf tear test (ASTM D1922), but this method has been criticized due to its lack of scientific validity. Recently, the essential work of fracture (EWF) test has been shown to be applicable to characterize in-plane tear of polyethylene thin films. In this paper, the relation between out-of-plane tear (i.e. Elmendorf tear) and in-plane tear (i.e. EWF) of five types of high density polyethylene (HDPE) and linear low density (LLDPE) films is experimentally investigated by separating tear energies. In addition, the fundamental mechanism of tear of polyethylene blown films is discussed based on fracture mechanics concepts.

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T2 - 2013 SPE International Polyolefins Conference

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