Non-conventional antioxidants with a synergistic effect for protection of some elastomers and their vulcanizates

被引：9

作者：

Meghea, A ^{[1
]}

Giurginca, M ^{[1
]}

机构：

[1] Univ Politehn Bucharest, Bucharest 78126, Romania

来源：

POLYMER DEGRADATION AND STABILITY | 2001年 / 73卷 / 03期

关键词：

antioxidants; synergistic effect; degradation; elastomers; vulcanizates;

D O I：

10.1016/S0141-3910(01)00135-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The protection efficiency of antioxidant couples consisting of a classical compound (disubstituted p-phenylendiamines and dihydroquinoline derivatives) and compounds with a disulfide bridge resulting from diamine and phenolic structures has been tested in accelerated ageing. The antioxidant couples were tested in diene elastomers and practical recipes and reveal that antidegradants with a disulfide bridge are able to graft onto the elastomer chain during processing and curing, leading to a level of protection superior to the classical antidegradants. Antidegradants with disulfide bridge are able to cooperate by synergistic or additive interactions with IPPD, bringing about an improvement in the storage time of the elastomers. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：481 / 483

页数：3