Cross-links induced by swift heavy ion irradiation in polystyrene

被引：39

作者：

Bouffard, S ^{[1
]}

Balanzat, E ^{[1
]}

Leroy, C ^{[1
]}

Busnel, JP ^{[1
]}

Guevelou, G ^{[1
]}

机构：

[1] UNIV MAINE,LAB PHYSICOCHIM MACROMOL,F-72017 LE MANS,FRANCE

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1997年 / 131卷 / 1-4期

关键词：

D O I：

10.1016/S0168-583X(97)00383-2

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The description of the cross-linking induced by irradiation with high energy ions is a difficult problem. Indeed, the cross-links are not induced randomly as under electron or gamma irradiation: the probability to produce several events close to each others is high. Under swift ion irradiation, the production of large molecular masses directly in the path of a single ion is favoured. We present the results obtained by steric exclusion chromatography on the cross-linking of polystyrene irradiated with high-energy proton and carbon ions. The total cross-link yield and the partial yields of multiple cross-links increase with the electronic stopping power of the ion. For the highest electronic stopping power, a gel fraction can be produced directly in the track of the ion. (C) 1997 Elsevier Science B.V.

引用

页码：79 / 84

页数：6

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