{"id":8639,"date":"2025-05-16T06:54:57","date_gmt":"2025-05-16T06:54:57","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8639"},"modified":"2025-05-16T06:56:36","modified_gmt":"2025-05-16T06:56:36","slug":"antioxidants-used-in-polymers","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/nl\/antioxidants-used-in-polymers\/","title":{"rendered":"Antioxidanten gebruikt in polymeren"},"content":{"rendered":"<p>(1) Fenolische antioxidanten<br \/>\nFenolische antioxidanten zijn de meest gebruikte en meest voorkomende antioxidanten in polymeermaterialen. De fenolhydroxylgroep in fenolische antioxidanten kan actieve waterstof vrijmaken om de vrije radicalen van de 'belangrijkste dader' in polymeerdegradatie te vangen. Natuurlijke producten zoals VE, theepolyfenolen en laagmoleculaire verbindingen zoals 2,6-di-tert-butylfenol (BHT) zijn fenolische antioxidanten. Gehinderde fenolische antioxidanten zijn een klasse verbindingen met substituenten aan \u00e9\u00e9n of beide kanten van de hydroxylgroep (-OH) op de benzeenring. Omdat de hydroxylgroep ruimtelijk gehinderd is, kan het H-atoom gemakkelijk loskomen van het molecuul waardoor peroxylradicalen (ROO .), alkoxylradicalen (RO.), hydroxylradicalen (.OH), enz. zich kunnen combineren om ze inactief te maken en zo de kettingreactie van thermo-oxidatieve veroudering te be\u00ebindigen. Gehinderde fenoloxidanten zijn niet-vervuilende producten en zijn geschikt voor kleurloze of lichtgekleurde producten. Bovendien hebben gehinderde fenolische antioxidanten een groot molecuulgewicht, een goede compatibiliteit met polymeermaterialen en een lage toxiciteit, zodat de consumptieverhouding van gehinderde fenolvari\u00ebteiten met een hoog molecuulgewicht, vertegenwoordigd door 1010 en 1076, van jaar tot jaar toeneemt, terwijl 1010 het meest uitstekende product onder de polymeerantioxidanten wordt met een hoog molecuulgewicht, een goede compatibiliteit met polymeermaterialen, een uitstekend antioxidanteffect, een goede veiligheid en het grootste verbruik.<br \/>\n(2) Fosfiet antioxidanten<br \/>\nDe belangrijkste rol van fosfietantioxidanten is het verwijderen van hydroperoxiden, niet alleen polymeerdegradatie zal hydroperoxiden produceren, en de belangrijkste antioxidant om de toevoeging van hydroperoxiden tegelijkertijd te remmen zal ook hydroperoxiden produceren. Daarom zijn fosfietantioxidanten als hulpantioxidant niet erg effectief als ze alleen worden gebruikt, maar hebben ze een significant effect als ze samen met de hoofdantioxidant worden gebruikt. Fosfiet antioxidant representatief product 168 is de binnenlandse productie en consumptie van antioxidant vari\u00ebteiten tweede alleen naar 1010. 626 en 618 worden voornamelijk gebruikt voor hoge temperatuur verwerking van polymeermaterialen of producten rond 300 \u2103, de rol van de polymeermaterialen om effectief de weerstand tegen thermische oxidatie bij hoge temperatuur te verbeteren, met behoud van het goede uiterlijk van polymeerproducten.<br \/>\n(3) Zwavel antioxidanten<br \/>\nZwavel antioxidanten en fosfor antioxidanten vergelijkbaar met de rol van de belangrijkste rol is het verwijderen van hydroperoxiden, maar ook als een hulp antioxidant. De binnenlandse productie van zwavelhoudende antioxidanten volgens de moleculaire structuur kan worden onderverdeeld in zwavelester antioxidanten, zwavelbisfenol antioxidanten en zwavelether fenolische antioxidanten 3 vari\u00ebteiten. Thiobisphenol antioxidant molecuul bevat gehinderd fenol structuur, in het polymeer materialen tonen hoge zuurstofbestendigheid, hittebestendigheid, meestal thiobisphenol antioxidant is onderverdeeld in het belangrijkste type van gehinderd fenol antioxidant.<br \/>\n(4) Metaalion passivator<br \/>\nMetaalion-passivatoren bevatten hydrazide, oxime en aldehyde-amine condensaat en andere co\u00f6rdinatiegroepen, complexatie van metaalionen. Het meest representatieve product is 1024, dat een verbinding van het dihydrazidetype is en ook een gecombineerde gehinderde fenolfunctionele groep bevat, die het product zowel koperbestendigheid als weerstand tegen hitte en zuurstofveroudering geeft.<br \/>\n(5) Aromatische amine antioxidanten<br \/>\nAromatische amine antioxidanten worden gegenereerd door de condensatie van aminofenol of hydrochinon met aniline, dit type product is donkerder van kleur, is een vervuilende antioxidant, en de meeste van de producten hebben een zekere mate van toxiciteit, een groot aantal van rubber producten, andere polymeer materialen, het gebruik van minder, en dit type antioxidant is ook bekend als antioxidant.<\/p>\n<h1><strong><b>Neem nu contact met ons op!<\/b><\/strong><\/h1>\n<h4><strong><b>Als je Price nodig hebt, vul dan je contactgegevens in op het formulier hieronder. We nemen dan meestal binnen 24 uur contact met je op. Je kunt me ook een e-mail sturen\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@changhongchemical.com\">info@changhongchemical.com<\/a><\/span>\u00a0tijdens kantooruren (8:30 tot 18:00 UTC+8 ma. ~ za.) of gebruik de live chat op de website voor een snel antwoord.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>(1) Phenolic antioxidants Phenolic antioxidants are the most widely used and most abundant antioxidants in polymer materials. The phenolic hydroxyl group in phenolic antioxidants can release active hydrogen to capture the \u2018key offender\u2019 free radicals in polymer degradation. Natural products such as VE, tea polyphenols, and low molecular compounds such as 2,6-di-tert-butylphenol (BHT) are phenolic [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152],"tags":[],"class_list":["post-8639","post","type-post","status-publish","format-standard","hentry","category-antioxidant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Antioxidants used in polymers - Changhong Chemical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/changhongchemical.com\/nl\/antioxidants-used-in-polymers\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Antioxidants used in polymers - Changhong Chemical\" \/>\n<meta property=\"og:description\" content=\"(1) Phenolic antioxidants Phenolic antioxidants are the most widely used and most abundant antioxidants in polymer materials. The phenolic hydroxyl group in phenolic antioxidants can release active hydrogen to capture the \u2018key offender\u2019 free radicals in polymer degradation. Natural products such as VE, tea polyphenols, and low molecular compounds such as 2,6-di-tert-butylphenol (BHT) are phenolic [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/changhongchemical.com\/nl\/antioxidants-used-in-polymers\/\" \/>\n<meta property=\"og:site_name\" content=\"Changhong Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-16T06:54:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-16T06:56:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Changhong Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Geschreven door\" \/>\n\t<meta name=\"twitter:data1\" content=\"Changhong Chemical\" \/>\n\t<meta name=\"twitter:label2\" content=\"Geschatte leestijd\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/changhongchemical.com\/antioxidants-used-in-polymers\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/changhongchemical.com\/antioxidants-used-in-polymers\/\"},\"author\":{\"name\":\"Changhong Chemical\",\"@id\":\"https:\/\/changhongchemical.com\/#\/schema\/person\/2a9593ff69d6db8f8ca0567ca3ed6b5d\"},\"headline\":\"Antioxidants used in polymers\",\"datePublished\":\"2025-05-16T06:54:57+00:00\",\"dateModified\":\"2025-05-16T06:56:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/changhongchemical.com\/antioxidants-used-in-polymers\/\"},\"wordCount\":561,\"publisher\":{\"@id\":\"https:\/\/changhongchemical.com\/#organization\"},\"articleSection\":[\"Antioxidant\"],\"inLanguage\":\"nl-NL\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/changhongchemical.com\/antioxidants-used-in-polymers\/\",\"url\":\"https:\/\/changhongchemical.com\/antioxidants-used-in-polymers\/\",\"name\":\"Antioxidants used in polymers - 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