{"id":19795,"date":"2022-03-09T14:12:23","date_gmt":"2022-03-09T14:12:23","guid":{"rendered":"https:\/\/www.erteco.se\/materialfamilj-gummi\/antidegradants\/"},"modified":"2022-05-10T13:22:39","modified_gmt":"2022-05-10T13:22:39","slug":"antidegradants","status":"publish","type":"materialfamilj-gummi","link":"https:\/\/www.erteco.se\/en\/materialfamilj-gummi\/antidegradants\/","title":{"rendered":"Antidegradants"},"content":{"rendered":"<p><span data-contrast=\"auto\">This is a collective name for additives that counteract the degradation of polymers as a result of heat, sunlight, flexing, ozone, copper, etc.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Antidegradants can be roughly divided into two main groups:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Amine-based agents result in discoloration, but as a rule provide excellent protection against both thermo-oxidative aging and other degradation mechanisms, such as ozone and UV.\u00a0\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Phenol-based agents often provide good protection against oxidative degradation caused by heat aging and e.g. flex fatigue.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Some antidegradants<\/span> <span data-contrast=\"auto\">also function as UV stabilizers. As a rule, phenol-based agents result in minimal discoloration, and some are listed by the FDA in \u00a7177.2600, Chapter XXI.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">In addition to these two main groups, there are other types, which are derivatives of imidazoles, dithiocarbamates, or phosphites.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n","protected":false},"template":"","class_list":["post-19795","materialfamilj-gummi","type-materialfamilj-gummi","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/materialfamilj-gummi\/19795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/materialfamilj-gummi"}],"about":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/types\/materialfamilj-gummi"}],"wp:attachment":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/media?parent=19795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}