{"id":8639,"date":"2025-05-16T06:54:57","date_gmt":"2025-05-16T06:54:57","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8639"},"modified":"2026-04-27T11:18:16","modified_gmt":"2026-04-27T11:18:16","slug":"antioxidants-used-in-polymers","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/hu\/antioxidants-used-in-polymers\/","title":{"rendered":"Polimerekben haszn\u00e1lt antioxid\u00e1nsok"},"content":{"rendered":"

(1) Fenolos antioxid\u00e1nsok
\nPhenolic 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 antioxidants. Hindered phenolic antioxidants are a class of compounds with substituents on one or both sides of the hydroxyl group (-OH) on the benzene ring. Because the hydroxyl group is spatially hindered, the H atom is easily dislodged from the molecule with peroxyl radicals (ROO .) , alkoxyl radicals (RO.), hydroxyl radicals (.OH), etc. to combine to make them inactive, thus terminating the chain reaction of thermo-oxidative aging. Hindered phenolic antioxidants are non-polluting products and are suitable for colourless or light-coloured products. Moreover, hindered phenolic antioxidants have large molecular weight, good compatibility with polymer materials and low toxicity, so the consumption ratio of high molecular weight hindered phenolic varieties represented by 1010<\/a> and 1076 increases year by year, while 1010 becomes the most excellent product among polymer antioxidants with high molecular weight, good compatibility with polymer materials, excellent antioxidant effect, good safety, and the largest consumption.
\n(2) Foszfit antioxid\u00e1nsok
\nA foszfit antioxid\u00e1ns f\u0151 szerepe a hidroperoxidok elt\u00e1vol\u00edt\u00e1sa, nem csak a polimer leboml\u00e1sa termel hidroperoxidokat, \u00e9s a f\u0151 antioxid\u00e1ns, amely g\u00e1tolja a hidroperoxidok hozz\u00e1ad\u00e1s\u00e1t, ugyanakkor hidroperoxidokat is termel. Ez\u00e9rt, mint kieg\u00e9sz\u00edt\u0151 antioxid\u00e1ns, a foszfit antioxid\u00e1nsok \u00f6nmagukban nem t\u00fal hat\u00e9konyak, de jelent\u0151s hat\u00e1suk van, ha a f\u0151 antioxid\u00e1nssal egy\u00fctt haszn\u00e1lj\u00e1k \u0151ket. A foszfit antioxid\u00e1ns reprezentat\u00edv term\u00e9k 168 az antioxid\u00e1ns fajt\u00e1k hazai gy\u00e1rt\u00e1sa \u00e9s fogyaszt\u00e1sa a m\u00e1sodik az 1010 ut\u00e1n. 626 \u00e9s 618 f\u0151leg haszn\u00e1lt magas h\u0151m\u00e9rs\u00e9klet\u0171 feldolgoz\u00e1s polimer anyagok vagy term\u00e9kek 300 \u2103 k\u00f6r\u00fcl, a szerepe a polimer anyagok hat\u00e9konyan jav\u00edtja az ellen\u00e1ll\u00e1st a magas h\u0151m\u00e9rs\u00e9klet\u0171 termikus oxid\u00e1ci\u00f3, mik\u00f6zben fenntartja a j\u00f3 megjelen\u00e9se polimer term\u00e9kek.
\n(3) K\u00e9n antioxid\u00e1nsok
\nK\u00e9n antioxid\u00e1nsok \u00e9s foszfor antioxid\u00e1nsok hasonl\u00f3 a szerepe a f\u0151 szerepe, hogy t\u00e1vol\u00edtsa el a hidroperoxidok, hanem mint egy kiseg\u00edt\u0151 antioxid\u00e1ns. A k\u00e9ntartalm\u00fa antioxid\u00e1nsok hazai gy\u00e1rt\u00e1sa a molekulaszerkezet szerint k\u00e9n\u00e9szter antioxid\u00e1nsokra, k\u00e9n-biszfenol antioxid\u00e1nsokra \u00e9s k\u00e9n-\u00e9ter fenolos antioxid\u00e1nsokra oszthat\u00f3 3 fajta. A tiobiszfenol antioxid\u00e1ns molekula akad\u00e1lyozott fenol szerkezetet tartalmaz, a polimer anyagokban magas oxig\u00e9n\u00e1ll\u00f3s\u00e1got, h\u0151\u00e1ll\u00f3s\u00e1got mutat, \u00e1ltal\u00e1ban a tiobiszfenol antioxid\u00e1ns a f\u0151 t\u00edpus\u00fa akad\u00e1lyozott fenol antioxid\u00e1nsra oszlik.
\n(4) F\u00e9mion-passziv\u00e1tor
\nA f\u00e9mion-passziv\u00e1torok hidrazid, oxim \u00e9s aldehid-amin kondenz\u00e1tumot \u00e9s m\u00e1s koordin\u00e1ci\u00f3s csoportokat tartalmaznak, a f\u00e9mionok komplexk\u00e9pz\u00e9se. A legreprezentat\u00edvabb term\u00e9k az 1024, amely egy dihidrazid t\u00edpus\u00fa vegy\u00fclet, \u00e9s egy kombin\u00e1lt akad\u00e1lyozott fenol funkci\u00f3s csoportot is tartalmaz, amely a term\u00e9knek mind a r\u00e9z\u00e1ll\u00f3s\u00e1got, mind a h\u0151- \u00e9s oxig\u00e9n-\u00f6reged\u00e9ssel szembeni ellen\u00e1ll\u00e1st biztos\u00edtja.
\n(5) Arom\u00e1s amin antioxid\u00e1nsok
\nAz arom\u00e1s amin antioxid\u00e1nsok az aminofenol vagy hidrokinon anilinnel t\u00f6rt\u00e9n\u0151 kondenz\u00e1ci\u00f3j\u00e1val keletkeznek, az ilyen t\u00edpus\u00fa term\u00e9k s\u00f6t\u00e9tebb sz\u00edn\u0171, szennyez\u0151 antioxid\u00e1ns, \u00e9s a legt\u00f6bb term\u00e9k bizonyos fok\u00fa toxicit\u00e1ssal rendelkezik, sz\u00e1mos gumiterm\u00e9k, egy\u00e9b polimer anyag, kevesebb, \u00e9s az ilyen t\u00edpus\u00fa antioxid\u00e1ns antioxid\u00e1ns antioxid\u00e1ns n\u00e9ven is ismert.<\/p>\n

L\u00e9pjen kapcsolatba vel\u00fcnk most!<\/b><\/strong><\/h1>\n

Ha sz\u00fcks\u00e9ge van Price-ra, k\u00e9rj\u00fck, t\u00f6ltse ki el\u00e9rhet\u0151s\u00e9g\u00e9t az al\u00e1bbi \u0171rlapon, \u00e1ltal\u00e1ban 24 \u00f3r\u00e1n bel\u00fcl felvessz\u00fck \u00d6nnel a kapcsolatot. \u00d6n is k\u00fcldhet nekem e-mailt\u00a0info@changhongchemical.com<\/a><\/span>\u00a0munkaid\u0151ben ( 8:30-18:00 UTC+8 H.-Szombat ) vagy haszn\u00e1lja a weboldal \u00e9l\u0151 chatj\u00e9t, hogy azonnali v\u00e1laszt kapjon.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"

(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…<\/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":"\nAntioxidants used in polymers - Changhong Chemical<\/title>\n<meta name=\"description\" content=\"(1) Phenolic antioxidants Phenolic antioxidants are the most widely used and most abundant antioxidants in polymer materials. 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