THE OZONATION OF N,N'-DI-NORMAL-OCTYL-PARA-PHENYLENEDIAMINE AND N,N'-DI-(1,1-DIMETHYLETHYL)-PARA-PHENYLENEDIAMINE

被引：9
作者：
LATTIMER, RP
LAYER, RW
HOOSER, ER
RHEE, CK
机构：
[1] BF Goodrich Research and Development, Cent, Arecksville, OH
来源：
RUBBER CHEMISTRY AND TECHNOLOGY | 1991年 / 64卷 / 05期
关键词：
D O I：
10.5254/1.3538590
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Ozone attack on rubber compounds causes characteristic cracking perpendicular to the direction of applied stress. This degradation is caused by reaction of ozone with the double bonds in the rubber molecules. This causes chain scission and the formation of various decomposition products. In this report, the ozonation products of two additional PPDA compounds are described; these are N,N′-di-n-octyl-p-phenylenediamine (DnOPPD) and N,N′-di-(1,1-dimethylethyl)-p-phenylenediamine (DMEPD). The results of this study are consistent with a combined 'scavenger/protective film' mechanism for antiozonant protection of unsaturated rubber.
引用
收藏
页码：780 / 789
页数：10
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