HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE

QI Yuchen; JIA Lianda; SONG Yongxian; WU Suyun LI; Lixia CHEN; Donglin

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HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE

Papers | Updated：2021-06-21

- HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE
- HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE
- 高分子科学（英文版） 1988年6卷第1期页码：20-29
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- 纸质出版：1988-03-20
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QI Yuchen, JIA Lianda, SONG Yongxian, 等. HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE[J]. 高分子科学（英文版）, 1988,6(1):20-29.

QI Yuchen, JIA Lianda, SONG Yongxian, et al. HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE[J]. 1988, 6(1): 20-29.
QI Yuchen, JIA Lianda, SONG Yongxian, 等. HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE[J]. 高分子科学（英文版）, 1988,6(1):20-29. DOI：

QI Yuchen, JIA Lianda, SONG Yongxian, et al. HEAT SHRINKING BEHAVIOUR OF γ-RADIATION CROSSLINKED POLYETHYLENE[J]. 1988, 6(1): 20-29. DOI：

摘要

Heat shrinking material of γ-radiation erosslinked polyethylene is widely used for various application in industry. In this study

DSC

TMA

WAXD and density measurement techniques were used to investigate the influence of MI and thermal history of LDPE on the effectiveness of network formation. Based on the results of heat stretching and heat shrinkage tests

it is found that the formation of a network as perfect as possible is indispensable to the irradiated material if good heat shrinkage property is desired.To this end

quenching technique and polyethylene with appropriate MImust be used so that an effective radiation effect will be obtained with a minimum amount of radiation dose.In spite of that the mechanical property of the irradiated polyethylene in the rubbery state is basically in agreement with the classical expression of the theory of high elasticity

only about 90% shrinkage can be reached.Besides

the heat shrinkage temperature Ts and the % shrinkage S are both related to the radiation dose.

Abstract

Heat shrinking material of γ-radiation erosslinked polyethylene is widely used for various application in industry. In this study

DSC

TMA

it is found that the formation of a network as perfect as possible is indispensable to the irradiated material if good heat shrinkage property is desired.To this end

only about 90% shrinkage can be reached.Besides

the heat shrinkage temperature Ts and the % shrinkage S are both related to the radiation dose.

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