Influence of PE/PP ratio and ENS content on the degradation kinetics of γ-irradiated EPDM

被引：19

作者：

De Almeida, A. ^{[1
]}

Chazeau, L. ^{[1
]}

Vigier, G. ^{[1
]}

Marque, G. ^{[2
]}

Goutille, Y. ^{[3
]}

机构：

[1] INSA Lyon, CNRS, UMR 5510, MATEIS, F-69621 Lyon, France

[2] EDF R&D, F-77818 Moret Sur Loing, France

[3] NEXANS Res Ctr, F-69353 Lyon 07, France

来源：

POLYMER DEGRADATION AND STABILITY | 2014年 / 110卷

关键词：

Elastomer; Lifetime; Degradation; Statistical model; RADIATION-INDUCED OXIDATION; CHEMICAL CROSS-LINKS; H-1; BROAD-BAND; CHAIN ENTANGLEMENTS; THERMAL-PROPERTIES; DICUMYL PEROXIDE; DOSE-RATE; POLYETHYLENE; NETWORKS; RESOLUTION;

D O I：

10.1016/j.polymdegradstab.2014.08.029

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Different Ethylene Propylene Diene Monomers have been characterized prior and after aging under gamma-irradiation. At small irradiation doses, the crosslinking process is the main mechanism occurring during irradiation, and is related to the residual ENB units remaining after the material processing. At higher doses, chain scissions (proportional to the radiation dose) are predominant and can be considered independent on the PE/PP ratio at a given ENB ratio, on the residual peroxide content, and on the initial EPDM cross-links density. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：175 / 183

页数：9

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