{"id":6974,"date":"2024-05-27T01:11:56","date_gmt":"2024-05-27T01:11:56","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6974"},"modified":"2026-04-28T10:42:29","modified_gmt":"2026-04-28T10:42:29","slug":"what-are-the-specific-applications-of-polyurethane-catalysts-in-several-typical-polyurethane-flexible-foams","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/id\/what-are-the-specific-applications-of-polyurethane-catalysts-in-several-typical-polyurethane-flexible-foams\/","title":{"rendered":"Apa saja aplikasi spesifik katalis poliuretan dalam beberapa busa fleksibel poliuretan yang umum?"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Jawaban singkat:<\/strong> A practical additive decision starts with the exact defect: foam, poor wetting, craters, haze, or instability. The best product is usually the one that solves that defect with the safest compatibility window.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>1 \u3001 Formula khas dan kinerja busa lunak PU tipe polieter blok PU<\/p>\n<p>Alkohol terner polieter 100pbw<\/p>\n<p>TDI80\/20 46.0pbw<\/p>\n<p>Katalis timah organik 0.4pbw<\/p>\n<p>Katalis amina tersier 0.2pbw<\/p>\n<p>Penstabil busa organosilikon 1.0pbw<\/p>\n<p>Air 3.6pbw<\/p>\n<p>Agen berbusa tambahan 0 ~ 12pbw<\/p>\n<p>&nbsp;<\/p>\n<p>Kinerja:<\/p>\n<p>Kepadatan busa, kg\/m3 22,4<\/p>\n<p>Kekuatan tarik, kpa 96,3<\/p>\n<p>Pemanjangan, % 220<\/p>\n<p>Kekuatan sobek, N\/m 385<\/p>\n<p>Set kompresi, 50% 6<\/p>\n<p>90% 6<\/p>\n<p>Beban rongga, kg<\/p>\n<p>(38cm\u00d735,6cm\u00d710cm)<\/p>\n<p>Deformasi 25% 13.6<\/p>\n<p>65% 25.6<\/p>\n<p>Bola melambung, % 38<\/p>\n<p>&nbsp;<\/p>\n<p>Dalam beberapa tahun terakhir, untuk memenuhi kebutuhan pasar, beberapa perusahaan cenderung memproduksi busa dengan kepadatan rendah (10kg \/ m3) atau lebih, dalam produksi busa lunak dengan kepadatan sangat rendah, tidak hanya meningkatkan bahan peniup dan bahan peniup tambahan yang dapat dilakukan, tetapi juga harus memiliki stabilitas yang relatif tinggi dari surfaktan dan katalis silikon untuk bekerja sama.<\/p>\n<p>&nbsp;<\/p>\n<p>Produksi formula referensi busa lembut dengan kepadatan sangat rendah:<\/p>\n<p>&nbsp;<\/p>\n<p>Nama Kepadatan sedang Kepadatan rendah Kepadatan sangat rendah<br \/>\nKotak kontinu kotak kontinu kotak kotak kotak<br \/>\nPolieter poliol 100 100 100 100 100 100<br \/>\nAir 3.0 3.0 4.5 5.5 6.6<br \/>\nKatalis A-33 0,2 0,2 0,2 0,2 0,25 0,18<br \/>\nSurfaktan silikon B-8110 1,0 1,2 1,1 1,9 3,8<br \/>\nStannous octoate 0,25 0,28 0,35 0,36 0,40<br \/>\nBantuan berbusa 7,5 7,5 12,5 15,0 34,0<br \/>\nTDI80\/20 41.4 44.0 56.0 73.0 103.0<br \/>\nKepadatan, kg\/m3 23.0 23.0 16.5 14.0 8.0<\/p>\n<p>Formulasi busa silinder:<\/p>\n<p>Polieter poliol tipe EO \/ PO (OH: 56) 100pbw<\/p>\n<p>Air 6.43pbw<\/p>\n<p>Agen peniup MC 52.5pbw<\/p>\n<p>Surfaktan silikon L-628 6.50pbw<\/p>\n<p>Katalis A230 0.44pbw<\/p>\n<p>Stannous octoate D19 0.85pbw<\/p>\n<p>Indeks TDI80\/20 0,99<\/p>\n<p>Dosis 139pbw<\/p>\n<p>Kepadatan busa, kg\/m3 7,5<\/p>\n<p>&nbsp;<\/p>\n<p>2 \u3001 Bahan peniup tambahan CO2 cair untuk membuat busa dengan kepadatan rendah<\/p>\n<p>Alkohol polieter terner (Mn3000) 100 100<\/p>\n<p>Air 4,9 5,2<\/p>\n<p>CO2 cair 2,5 3,3<\/p>\n<p>Surfaktan silikon L631 1,5 1,75<\/p>\n<p>B8404<\/p>\n<p>Katalis amina A133 0,28 0,30<\/p>\n<p>Stannous octoate 0,14 0,17<\/p>\n<p>Tahan api DE60F 0 14<\/p>\n<p>Indeks TDI80\/20 110 112<\/p>\n<p>Kepadatan busa, kg\/m3 16 16<\/p>\n<p>&nbsp;<\/p>\n<p>Formulasi rambut mesin yang umum adalah sebagai berikut:<\/p>\n<p>Alkohol polieter terner (Mn3000) 100pbw<\/p>\n<p>Air 4.0pbw<\/p>\n<p>LCO2 4.0 ~ 5.5pbw<\/p>\n<p>Katalis A33 0,25pbw<\/p>\n<p>Surfaktan silikon SC155 1.35pbw<\/p>\n<p>Stannous octoate D19 0.20pbw<\/p>\n<p>Indeks TDI80\/20 110<\/p>\n<p>Kepadatan busa, kg\/m3 14,0 ~ 16,5<\/p>\n<p>&nbsp;<\/p>\n<p>3 \u3001 Busa fleksibel poliuretan densitas rendah MDI penuh<\/p>\n<p>Busa cetakan PU yang fleksibel banyak digunakan dalam produksi bantal kursi mobil. Mengurangi kepadatan tanpa mempengaruhi sifat fisik adalah tujuan pengembangan.<\/p>\n<p>Formulasi:<\/p>\n<p>Polieter yang sangat aktif (OH: 26 ~ 30mgKOH \/ g) 80pbw<\/p>\n<p>Polimer poliol (OH: 23 ~ 27mgKOH \/ g) 20pbw<\/p>\n<p>Agen pengikat silang 0 ~ 3pbw<\/p>\n<p>Air 4.0pbw<\/p>\n<p>Katalis amina A-33 2.8pbw<\/p>\n<p>Surfaktan minyak silikon B8716 1.0pbw<\/p>\n<p>Indeks MDI 90pbw<\/p>\n<p>&nbsp;<\/p>\n<p>Kinerja:<\/p>\n<p>Kepadatan pusat busa 34,5kg\/m3<\/p>\n<p>Kekerasan ILD25% 15.0kg\/314cm2<\/p>\n<p>Kekuatan sobek 0,8kg\/cm<\/p>\n<p>Kekuatan tarik 1,34kg\/cm2<\/p>\n<p>Perpanjangan 120%<\/p>\n<p>Ketahanan 62<\/p>\n<p>Set kompresi permanen (kering) 5.0%<\/p>\n<p>(Basah) 13,5<\/p>\n<p>&nbsp;<\/p>\n<p>4 \u3001 Kepadatan rendah, bantal kursi mobil ramah lingkungan MDI penuh<\/p>\n<p>Mengadopsi homolog MDI murni: M50-yaitu, 4,4'MDI 50% 2,4'MDI 50% dari produk, dapat berbusa pada suhu kamar, meningkatkan fluiditas, mengurangi kepadatan produk, mengurangi berat kendaraan, adalah produk yang sangat menjanjikan:<\/p>\n<p>Formulasi:<\/p>\n<p>Polieter poliol yang sangat aktif (OH: 28mgKOH\/g) 95pbw<\/p>\n<p>310 aditif* 5pbw<\/p>\n<p>Dabco 33LV 0.3pbw<\/p>\n<p>Dabco 8154 0.7pbw<\/p>\n<p>Surfaktan silikon B4113 0.6pbw<\/p>\n<p>A-1 0.1pbw<\/p>\n<p>Air 3.5pbw<\/p>\n<p>M50 50pbw<\/p>\n<p>Indeks isosianat 88<\/p>\n<p>&nbsp;<\/p>\n<p>Sifat fisik:<\/p>\n<p>Waktu menggambar (detik) 62<\/p>\n<p>Waktu bangun (s) 98<\/p>\n<p>Kepadatan gelembung bebas, kg\/m3 32,7<\/p>\n<p>Lendutan beban kompresi, kpa: 40% 1,5<\/p>\n<p>Pemanjangan, % 180<\/p>\n<p>Kekuatan sobek, N\/m 220<\/p>\n<p>Catatan: *310 aditif: kami telah menjual, adalah agen pertumbuhan rantai khusus.<\/p>\n<p>&nbsp;<\/p>\n<p>5 \u3001 Ketahanan tinggi, kenyamanan berkendara busa PU<\/p>\n<p>Baru-baru ini, permintaan pasar bantal kursi busa sifat fisik tetap tidak berubah, tetapi orang duduk di dalam mobil untuk waktu yang lama tanpa kelelahan, tidak ada mabuk perjalanan bantal kursi berkualitas tinggi. Setelah dilakukan penelitian, organ dalam tubuh manusia, terutama lambung dan organ lainnya pada frekuensi sekitar 6Hz, jika disebabkan oleh resonansi akan menyebabkan regurgitasi, muntah dan fenomena lainnya.<\/p>\n<p>Secara umum, transmisi getaran busa berketahanan tinggi pada 6Hz adalah 1,1 ~ 1,3, artinya, saat kendaraan berjalan, tidak hanya tidak melemah tetapi juga meningkat, dan beberapa produk yang diformulasikan dapat meredam getaran hingga 0,8 ~ 0,9. Sekarang kami merekomendasikan formula produk, yang transmisi getarannya pada 6Hz adalah 0,5 ~ 0,55 level.<\/p>\n<p>Formulasi:<\/p>\n<p>Polieter poliol yang sangat aktif (Mn6000) 100pbw<\/p>\n<p>Surfaktan silikon, SRX-274C 1.0pbw<\/p>\n<p>Katalis Amina Tersier, Minico L-1020 0.4pbw<\/p>\n<p>Katalis amina tersier, Minico TMDA 0.15pbw<\/p>\n<p>Air 3.6pbw<\/p>\n<p>Prepolimer isosianat (NCO% = 29,7%)<\/p>\n<p>INDEKS 100<\/p>\n<p>Sifat Fisik:<\/p>\n<p>Kepadatan keseluruhan, kg\/m3 48,0<\/p>\n<p>25%ILD, kg\/314cm2 19,9<\/p>\n<p>Ketahanan, % 74<\/p>\n<p>Kekuatan kompresi 50%, (kering) 1,9<\/p>\n<p>(basah) 2,5<\/p>\n<p>Transmisi getaran 6Hz 0,55<\/p>\n<p>&nbsp;<\/p>\n<p>6 \u3001 Rebound lambat atau busa viskoelastik<\/p>\n<p>Yang disebut busa PU rebound lambat mengacu pada deformasi busa oleh kekuatan eksternal, busa tidak segera kembali ke bentuk aslinya, tetapi pemulihannya lambat, dan tidak ada deformasi permukaan sisa busa. Ini memiliki bantalan yang sangat baik, isolasi suara, penyegelan dan properti lainnya. Ini dapat digunakan dalam pencegahan kebisingan mesin mobil, dukungan karpet, mainan anak-anak dan bantal medis.<\/p>\n<p>Contoh rumus:<\/p>\n<p>Polieter yang sangat aktif (OH34) 40 ~ 60pbw<\/p>\n<p>Polimer polieter (OH28) 60 ~ 40 pbw<\/p>\n<p>Agen ikatan silang ZY-108 * 80 ~ 100 pbw<\/p>\n<p>L-580 1,5 pbw<\/p>\n<p>Katalis 1,8 ~ 2,5 pbw<\/p>\n<p>Air 1,6 ~ 2,2 pbw<\/p>\n<p>Indeks isosianat** 1,05 pbw<\/p>\n<p>Catatan: *ZY-108, senyawa polieter dengan berat molekul rendah multifungsi<\/p>\n<p>** PM-200 dan MDI-100 cair adalah produk Wanhua.<\/p>\n<p>Sifat fisik:<\/p>\n<p>Kepadatan busa, kg\/m3 150 ~ 165<\/p>\n<p>Kekerasan, Shore A 18 ~ 15<\/p>\n<p>Kekuatan sobek, kN\/m 0,87 ~ 0,76<\/p>\n<p>Perpanjangan, % 90 ~ 130<\/p>\n<p>Ketahanan, % 9 ~ 7<\/p>\n<p>Waktu pemulihan, detik 7 ~ 10<\/p>\n<p>&nbsp;<\/p>\n<p>7 \u3001 Ketahanan kelelahan lentur jutaan kali busa mikro seluler berkulit sendiri jenis polieter<\/p>\n<p>Busa dapat diaplikasikan pada sol sepatu PU dan roda kemudi<\/p>\n<p>Contoh:<\/p>\n<p>Daltocel\u00aeF-435 31,64 pbw<\/p>\n<p>Arcol\u00ae34-28 10.0 pbw<\/p>\n<p>Daltocel\u00aeF-481 44,72 pbw<\/p>\n<p>Arcol\u00ae2580 3.0 pbw<\/p>\n<p>Glikol 6.0 pbw<\/p>\n<p>Katalis Dabco EG 1.8 pbw<\/p>\n<p>A-1 0,3 pbw<\/p>\n<p>Dabco\u00ae1027 0,3 pbw<\/p>\n<p>Surfaktan silikon DC-193 0,3 pbw<\/p>\n<p>L1 412T 1,5 pbw<\/p>\n<p>Air 0,44 pbw<\/p>\n<p>MDI yang dimodifikasi<\/p>\n<p>Suprasec\u00ae2433 71 pbw<\/p>\n<p>&nbsp;<\/p>\n<p>Sifat fisik:<\/p>\n<p>Kepadatan busa: sekitar 0,5 g\u2215cm3<\/p>\n<p>Defleksi sabuk \u03b2, KCS antara 35 dan 50, sangat baik<\/p>\n<p>&nbsp;<\/p>\n<p>8 \u3001 Tahan api, emisi asap rendah, busa dengan ketahanan tinggi<\/p>\n<p>Dengan pesatnya perkembangan ekonomi nasional, berbagai departemen memiliki persyaratan yang lebih tinggi dan lebih tinggi untuk produk busa tahan api, terutama penerbangan, mobil, bus berkecepatan tinggi, sofa rumah tangga dan sebagainya, yang semuanya membutuhkan produk busa tahan api, asap rendah, toksisitas asap rendah atau produk busa tidak beracun.<\/p>\n<p>Penulis dan kolega untuk situasi di atas, mengembangkan kelas tahan api (indeks oksigen 28 ~ 30%), kepadatan asap sangat rendah (internasional 74, produk ini hanya 50 atau lebih), dan pantulan busa tidak berubah, nyala api dalam produksi asap putih.<\/p>\n<p>Contoh rumus:<\/p>\n<p>YB-3081 polieter tahan api 50 pbw<\/p>\n<p>Polieter yang sangat aktif (OH34) 50 pbw<\/p>\n<p>Surfaktan organosilikon B 8681 0,8 ~ 1,0 pbw<\/p>\n<p>Air 2,4 ~ 2,6 pbw<\/p>\n<p>DEOA 1,5 ~ 3 pbw<\/p>\n<p>Katalis A-1 dll. 0,6 ~ 1,1 pbw<\/p>\n<p>Indeks isosianat 1,05<\/p>\n<p>&nbsp;<\/p>\n<p>Sifat fisik:<\/p>\n<p>Kepadatan busa, kg \/ m3 \u226550<\/p>\n<p>Kekuatan kompresi, kPa 5.5<\/p>\n<p>Kekuatan tarik, kPa 124<\/p>\n<p>Ketahanan, % \u226560<\/p>\n<p>Deformasi kompresi, 75% \u22648<\/p>\n<p>Indeks oksigen, OI% \u2265 28<\/p>\n<p>Kepadatan asap \u226450<\/p>\n<p>&nbsp;<\/p>\n<p>9 \u3001 Air sebagai bahan peniup, busa kulit integral yang ramah lingkungan<\/p>\n<p>Negara-negara asing telah sepenuhnya melarang agen peniup HCFC-141b, agen peniup sistem CP mudah terbakar, HFC-245fa, harga agen peniup sistem HFC-365mfc tinggi, sulit untuk diterima, satu-satunya jalan keluar adalah mensintesis busa kulit integral yang ramah lingkungan dengan air sebagai agen peniup. Di masa lalu, pekerja PU dalam dan luar negeri, hanya memperhatikan modifikasi polieter dan isosianat, sehingga busa yang terbuat dari lapisan permukaan tidak jernih, kepadatannya tinggi.<\/p>\n<p>Sekarang merekomendasikan sekelompok formulasi, yang dicirikan oleh:<\/p>\n<p>Polieter poliol dasar tetap tidak berubah, menggunakan Mn5000 atau 6000 konvensional.<br \/>\nIsosianat tetap tidak berubah, dan C-MDI, PAPI atau MDI yang dimodifikasi dapat digunakan.<br \/>\nPenggunaan aditif khusus SH-140, dapat diatasi. -<br \/>\nRumus dasar:<\/p>\n<p>Polieter terpolimer yang sangat aktif Mn5000 65pbw<br \/>\nSH-140 * 35pbw<br \/>\nAgen pertumbuhan rantai: 1,4-butanediol 5pbw<br \/>\nAgen pengikat silang: Gliserol 7pbw<br \/>\nPembuka pori: K-6530 0,2 ~ 0,5pbw<br \/>\nKatalis A-2 1.2 ~ 1.3pbw<br \/>\nPasta warna dalam jumlah sedang<br \/>\nAir 5pbw<br \/>\nMR-200 45pbw<br \/>\nCatatan: *SH-140 adalah produk kami.<\/p>\n<p>&nbsp;<\/p>\n<p>Sifat fisik:<\/p>\n<p>Kepadatan keseluruhan busa 340 ~ 350kg\/m3<\/p>\n<p>Produk: Permukaan halus, kerak bening, kepadatan rendah.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Bagaimana pembeli biasanya mengevaluasi aditif pelapis dan tinta<\/h2>\n<p>Pemilihan aditif biasanya paling efektif ketika tim mendefinisikan cacat terlebih dahulu lalu menyaring kesesuaian, rentang dosis, dan tahap proses. Hal ini seringkali jauh lebih dapat diandalkan daripada memilih hanya berdasarkan keluarga kimia atau hasil laboratorium tunggal yang dramatis.<\/p>\n<ul>\n<li><strong>Mulai dari cacatnya, bukan nama aditifnya:<\/strong> hilangnya pembasahan, kawah, busa mikro, dan ketidakstabilan sering kali memerlukan solusi yang berbeda bahkan di dalam formulasi yang sama.<\/li>\n<li><strong>Periksa kompatibilitas pada dosis yang dimaksud:<\/strong> Aditif terkuat pun masih bisa menjadi pilihan komersial yang salah jika mempersempit jendela proses terlalu banyak.<\/li>\n<li><strong>Tinjau tahap penggunaan:<\/strong> beberapa produk paling berguna selama penggilingan, sementara yang lain lebih penting selama pengenceran, pengisian, atau aplikasi akhir.<\/li>\n<li><strong>Seimbangkan penyembuhan, obat, atau kualitas film dengan kontrol cacat:<\/strong> Aditif yang tepat memperbaiki masalah tanpa mengorbankan daya rekat, kilap, atau penampilan.<\/li>\n<\/ul>\n<h3>Referensi produk yang direkomendasikan<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ untuk pembeli dan formulator<\/h3>\n<p><strong>Mengapa aditif yang terlihat ampuh di dalam gelas terkadang gagal dalam produksi?<\/strong><br \/>Karena geser, suhu, substrat, dan formula lengkap dapat mengubah cara aditif bekerja dalam kondisi proses nyata.<\/p>\n<p><strong>Apakah aditif yang paling agresif selalu lebih disukai?<\/strong><br \/>Biasanya tidak. Aditif terbaik adalah yang memecahkan cacat yang sebenarnya sambil menjaga jendela operasional yang aman seluas mungkin.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1\u3001Typical formula and performance of block polyether type PU soft foam Polyether ternary alcohol 100pbw TDI80\/20 46.0pbw Organic tin catalyst 0.4pbw Tertiary amine catalyst 0.2pbw Organosilicon foam stabiliser 1.0pbw Water<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-6974","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>What are the specific applications of polyurethane catalysts in several typical polyurethane flexible foams? 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