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|Type:||Artigo de periódico|
|Title:||The Photo-oxidation Of Epdm Rubber: Part Iv-degradation And Stabilization Of Vulcanizates|
De Paoli M.-A.
|Abstract:||The photo-oxidation reactions of untreated and peroxide-vulcanized EPDM rubbers have been compared. The vulcanized samples show a degradation rate higher than that of the untreated rubber, and this is assigned to photo-initiation caused by vulcanization by-products. We also observed that the peroxide concentration used for vulcanization affects the photodegradation of the vulcanizate. An effective stabilizing system combining a benzotriazole and a hindered phenol was used with the vulcanized EPDM and tested for both photo-stabilization and thermal stabilization. © 1992.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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