{"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>Jawaban singkat:<\/strong> Strategi stabilisasi praktis dimulai dengan mempertimbangkan risiko degradasi terlebih dahulu, kemudian menyeleksi paket aditif berdasarkan kondisi pemrosesan, masa pakai, dan persyaratan tampilan.<\/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>Rute seleksi praktis untuk paket antioksidan, penyerap UV, dan HALS.<\/h2>\n<p>Sebagian besar keputusan terkait stabilizer akan lebih efektif jika dipertimbangkan sebagai keputusan paket, bukan keputusan produk tunggal. Pembeli yang berorientasi teknis biasanya mendapatkan jawaban terbaik dengan meninjau penuaan panas jangka panjang, stabilitas proses, paparan cuaca, dan sensitivitas warna secara bersamaan.<\/p>\n<ul>\n<li><strong>Perlindungan pemrosesan terpisah dari stabilitas jangka panjang:<\/strong> Aditif terbaik untuk riwayat peleburan tidak selalu sama dengan aditif yang memberikan retensi masa pakai terbaik.<\/li>\n<li><strong>Gunakan sinergi secara sengaja:<\/strong> Banyak sistem polimer dan pelapis bekerja paling baik ketika stabilisator primer dan sekunder dipasangkan secara sengaja.<\/li>\n<li><strong>Tinjau persyaratan warna dan kejernihan:<\/strong> Sistem yang bening, pucat, bersentuhan dengan makanan, atau berwarna putih seringkali membutuhkan kemasan yang lebih rapat daripada produk industri berwarna gelap.<\/li>\n<li><strong>Periksa kondisi penuaan yang sebenarnya:<\/strong> Panas, sinar UV, kelembapan, dan paparan luar ruangan dapat mengubah jalur stabilisasi mana yang paling kuat secara komersial.<\/li>\n<\/ul>\n<h3>Referensi produk yang direkomendasikan<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiao-1010-cas-6683-19-8\/\">CHLUMIAO 1010<\/a>:<\/strong> Antioksidan primer yang banyak digunakan sebagai tolok ukur untuk stabilitas termal jangka panjang.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiao-168-cas-31570-04-4\/\">CHLUMIAO 168<\/a>:<\/strong> Referensi stabilitas proses praktis ketika pengendalian hidroperoksida penting.<\/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> Referensi HALS yang kuat untuk penyaringan yang berfokus pada ketahanan cuaca dalam pelapis dan polimer.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/uv-5151-cas-104810-48-2\/\">CHLUMILS UV-5151<\/a>:<\/strong> Referensi paket stabilisator praktis ketika dibutuhkan perlindungan penuaan akibat cahaya yang lebih luas.<\/li>\n<\/ul>\n<h3>FAQ untuk pembeli dan formulator<\/h3>\n<p><strong>Mengapa paket penstabil seringkali lebih kuat daripada aditif tunggal?<\/strong><br \/>Karena produk yang berbeda dapat melindungi bagian yang berbeda dari jalur degradasi, maka kemasan seringkali mencakup lebih banyak risiko daripada hanya satu jenis saja.<\/p>\n<p><strong>Apakah menambahkan lebih banyak antioksidan atau penstabil UV selalu meningkatkan kinerja?<\/strong><br \/>Belum tentu. Dosis berlebih dapat meningkatkan biaya dan terkadang menimbulkan efek samping, sehingga sebagian besar sistem bekerja paling baik dalam rentang dosis yang telah diuji.<\/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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