Infrared Absorption Study of Effects in Semicrystalline Polyethylene Terephthalate Films Induced by 35MeV/u Ar Ions

LIU ChangLong; JIN YunFan; ZHU ZhiYong; SUN YouMei; HOU MingDong; WANG ZhiGuang; WANG YanBin; ZHANG ChongHong; CHEN XiaoXi; LIU Jie; LI BaoQuan

Chinese Physics C> 2000, Vol. 24> Issue(4) : 352-358

Infrared Absorption Study of Effects in Semicrystalline Polyethylene Terephthalate Films Induced by 35MeV/u Ar Ions

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

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Abstract：
Semicrystalline polyethylene terephthalate foil stacks were irradiated with 35MeV/u Ar ions at room temperature. The induced bond breaking was studied by means of Fourier-transform infrared spectroscopy as functions of ion fluence, the mean electronic energy loss and the absorbed dose. Bond breaking processes mainly take place in the ethylene glycol residue of the trans configuration and in the para position of benzene rings. The change of benzene ring structures is very small under irradiation. The hand breaking processes strongly depend on both ion fluence and the mean electronic energy loss in PET films. Significant bond breaking is only found at the absorbed dose higher than 4.0 MGy.

References

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Fink D, Hoot F, Omichi H et al. Radiat. Effs. and Def.Sol.,1994, 132:313–328 2 Balanzat E, Buffard S, La Moel A et al. Nucl. Instru. and Meths., 1994, B91: 140–145 3 Steckenreiter T, Fness H, Stamm D et al. Nucl. Instur. and Meths., 1995, B105: 200–203 4 Balanzat E, Betz N, Buffard S. Nucl. Instru.and Meths., 1995, B105:46–54 5 Ciesla K, Starosta W. Nucl. Instru. and Meths., 1995, B105:115–119, 6 Miyake A. J. Polym, Sci., 1959, 39:47–95 7 Steckenreiter T, Balanzat E, Fuess H et al. Nucl. Instru.and Meths., 1997, B131: 159–1668 Chaping A. Nucl. Instru. and Meths., 1988, B32:111–115

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LIU ChangLong, JIN YunFan, ZHU ZhiYong, SUN YouMei, HOU MingDong, WANG ZhiGuang, WANG YanBin, ZHANG ChongHong, CHEN XiaoXi, LIU Jie and LI BaoQuan. Infrared Absorption Study of Effects in Semicrystalline Polyethylene Terephthalate Films Induced by 35MeV/u Ar Ions[J]. Chinese Physics C, 2000, 24(4): 352-358.

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Received: 1999-03-05
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Infrared Absorption Study of Effects in Semicrystalline Polyethylene Terephthalate Films Induced by 35MeV/u Ar Ions

Corresponding author: LIU ChangLong,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 1999-03-05
Accepted Date: 1900-01-01
Available Online: 2000-04-05

Abstract: Semicrystalline polyethylene terephthalate foil stacks were irradiated with 35MeV/u Ar ions at room temperature. The induced bond breaking was studied by means of Fourier-transform infrared spectroscopy as functions of ion fluence, the mean electronic energy loss and the absorbed dose. Bond breaking processes mainly take place in the ethylene glycol residue of the trans configuration and in the para position of benzene rings. The change of benzene ring structures is very small under irradiation. The hand breaking processes strongly depend on both ion fluence and the mean electronic energy loss in PET films. Significant bond breaking is only found at the absorbed dose higher than 4.0 MGy.