{"id":5406,"date":"2022-07-24T05:44:35","date_gmt":"2022-07-24T05:44:35","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5406"},"modified":"2026-04-28T10:42:05","modified_gmt":"2026-04-28T10:42:05","slug":"brief-description-of-the-role-of-antioxidants-in-plastics-and-their-selection-principles","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/id\/brief-description-of-the-role-of-antioxidants-in-plastics-and-their-selection-principles\/","title":{"rendered":"Penjelasan singkat tentang peran antioksidan dalam plastik dan prinsip pemilihannya"},"content":{"rendered":"<h1><strong>Penjelasan singkat tentang peran antioksidan dalam plastik dan prinsip pemilihannya<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> A practical stabilization strategy starts with the degradation risk first, then screens the additive package around processing conditions, service life, and appearance requirements.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>For general plastics stabilization, buyers often compare <a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiao-1010-cas-6683-19-8\/\">Antioksidan 1010<\/a> as a primary phenolic antioxidant with <a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiao-168-cas-31570-04-4\/\">Antioxidant 168<\/a> as a phosphite processing stabilizer.<\/p>\n<p>Penambahan antioksidan yang sesuai dalam pemrosesan plastik dapat menghentikan atau menunda proses penuaan, sehingga memperpanjang masa pakai produk plastik. Pemilihan antioksidan harus didasarkan pada jenis plastik, peralatan pemrosesan, kondisi proses, variasi bahan tambahan lain dan jumlah yang ditambahkan, lingkungan tempat produk digunakan, dan durasi produk. Pemilihan antioksidan untuk plastik pada dasarnya harus mengacu pada prinsip-prinsip berikut.<\/p>\n<p>I. Kompatibilitas. Kompatibilitas polimer plastik dan antioksidan sering kali buruk, biasanya pada suhu tinggi antioksidan dan polimer meleleh bersamaan, pengawetan polimer akan kompatibel dengan molekul antioksidan di tengah-tengah molekul polimer. Dalam kisaran dosis formulasi, antioksidan harus dilelehkan pada suhu pemrosesan. Formulasi desain, pilihan antioksidan padat, penstabil cahaya, titik leleh atau rentang leleh batas atas, tidak boleh lebih tinggi dari suhu pemrosesan polimer plastik.<\/p>\n<p>Kedua, migrasi. Produk plastik, terutama luas permukaan dan rasio volume (atau rasio massa) dari nilai produk yang lebih kecil, oksidasi terutama terjadi pada permukaan produk, yang membutuhkan migrasi antioksidan secara terus menerus dari produk plastik ke permukaan produk dan berperan. Namun, jika laju migrasi ke permukaan produk terlalu cepat, jumlah migrasi terlalu besar, antioksidan harus mudah menguap ke permukaan produk di lingkungan, atau agen difusi dan kontak permukaan produk dengan media lain dan kehilangan, kerugian ini sebenarnya tidak dapat dihindari, formulasi desain yang perlu dipertimbangkan. Ketika ada pilihan varietas antioksidan, harus memilih berat molekul yang relatif besar, titik leleh yang sesuai dengan spesies yang tinggi, dan penggunaan lingkungan yang paling parah untuk menentukan jumlah penggunaan antioksidan.<\/p>\n<p>Ketiga, stabilitas. Anti-oksidan dalam bahan plastik harus tetap stabil, dalam penggunaan lingkungan dan pemrosesan suhu tinggi kehilangan volatilitas, tidak ada perubahan warna atau warna, tidak terurai (selain peran antioksidan untuk pemrosesan stabilisasi panas), tidak dengan aditif lain reaksi kimia yang merugikan, tidak korosif mesin dan peralatan, tidak mudah diekstraksi oleh zat lain di permukaan produk.<\/p>\n<p>Keempat, kemampuan proses. Pemrosesan produk plastik, menambahkan antioksidan ke viskositas resin dan torsi sekrup dapat berubah. Kisaran leleh antioksidan dan resin jika perbedaannya besar, akan menghasilkan aliran bias antioksidan atau penghambatan fenomena sekrup. Titik leleh antioksidan lebih rendah dari suhu pemrosesan 100 \u2103 atau lebih, antioksidan harus terlebih dahulu dibuat menjadi batch master tertentu, dan kemudian dicampur dengan produk pemrosesan resin, untuk menghindari distribusi antioksidan yang tidak merata dalam produk karena aliran bias dan penurunan hasil pemrosesan.<\/p>\n<p>Kelima, lingkungan dan kesehatan. Antioksidan harus tidak beracun atau toksisitas rendah, tidak ada debu atau debu rendah, tidak ada efek berbahaya pada tubuh manusia dalam pemrosesan dan penggunaan produk plastik, tidak membahayakan hewan dan tumbuhan, tidak ada polusi udara, tanah, dan sistem air.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for antioxidant, UV absorber, and HALS packages<\/h2>\n<p>Most stabilizer decisions work best when they are treated as package decisions rather than single-product decisions. Technical buyers usually get the strongest answer by reviewing long-term heat aging, process stability, weather exposure, and color sensitivity together.<\/p>\n<ul>\n<li><strong>Separate processing protection from long-term stability:<\/strong> the best additive for melt history is not always the same one that gives the best service-life retention.<\/li>\n<li><strong>Use synergy deliberately:<\/strong> many polymer and coating systems perform best when primary and secondary stabilizers are paired intentionally.<\/li>\n<li><strong>Review color and clarity requirements:<\/strong> clear, pale, food-contact, or white systems often need a tighter package than dark industrial products.<\/li>\n<li><strong>Check the real aging condition:<\/strong> heat, UV, humidity, and outdoor exposure can each change which stabilizer route is commercially strongest.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiao-1010-cas-6683-19-8\/\">CHLUMIAO 1010<\/a>:<\/strong> A widely used primary antioxidant benchmark for long-term thermal stability.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMIAO 168<\/a>:<\/strong> A practical process-stability reference when hydroperoxide control matters.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/light-stabilizer-123-tinuvin-123-cas-129757-67-1\/\">CHLUMILS UV-123<\/a>:<\/strong> A strong HALS reference for weatherability-focused screens in coatings and polymers.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/uv-5151-cas-104810-48-2\/\">CHLUMILS UV-5151<\/a>:<\/strong> A practical stabilizer-package reference when broader light-aging protection is needed.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are stabilizer packages often stronger than a single additive?<\/strong><br \/>Because different products can protect different parts of the degradation pathway, so the package often covers more risk than one grade alone.<\/p>\n<p><strong>Does adding more antioxidant or UV stabilizer always improve performance?<\/strong><br \/>Not necessarily. Over-dosing can increase cost and sometimes create side effects, so most systems perform best inside a tested dosage window.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>The addition of suitable antioxidants in plastic processing can stop or delay the ageing process, thus extending the service life of plastic products. The selection of antioxidants should be based<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5406","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Brief description of the role of antioxidants in plastics and their selection principles - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The addition of suitable antioxidants in plastic processing can stop or delay the ageing process, thus extending the service life of plastic products. 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