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Momwe Mungasankhire Chothandizira Chitsulo cha Polyurethane Choyenera Kugwiritsa Ntchito Zanu
Kodi mukuyesera kulinganiza momwe zinthu zilili komanso moyo wa mphika, kapena kusankha pakati pa chothandizira cha tin ndi bismuth cha polyurethane system yanu? Kusankha koyenera kwa chothandizira ndikofunikira kwambiri kuti mupeze mawonekedwe abwino a thovu, magwiridwe antchito, komanso kutsatira malamulo. Blog iyi ikutsogolerani pansi pa...Werengani zambiri -
TMEDA Catalyst (CAS 110-18-9): Katundu, Kugwiritsa Ntchito ndi Ubwino mu Polyurethane Foam Systems
MOFAN TMEDA (N,N,N',N'-tetramethylethylenediamine, CAS 110-18-9) ndi chothandizira chapamwamba cha tertiary amine chopangidwira makina opanga thovu lamalonda. Chosakaniza cha mankhwala chosiyanasiyanachi chimagwira ntchito ngati chothandizira kupukutira bwino komanso kupangira gelling panthawi yokonza polyol yamadzimadzi. Njira...Werengani zambiri -
Ma Polyol Apadera: Buku Lokwanira la Mitundu, Katundu ndi Mapulogalamu
Mu chemistry ya polima, ma polyol apadera amagwira ntchito ngati zomangira zofunika. Magulu a hydroxyl amachitapo kanthu ndi ma isocyanates kuti apange kulumikizana kwamphamvu kwa urethane. MOFAN imapanga mndandanda waukadaulo wa polyether ndi ma polyethylene glycols apamwamba (PEG) amakina amafakitale. Mainjiniya a mankhwala amagwiritsa ntchito izi ...Werengani zambiri -
Buku Lotsogolera Kupanga Mapangidwe a Polyol Polyol: Kuchokera ku Kusankha Monomer mpaka Kupanga Njira
Kumvetsetsa Kapangidwe kake ka Polyester Polyols Yogwira Ntchito Kwambiri Yogwiritsira Ntchito Polyurethane Polyel ndi imodzi mwa zipangizo zofunika kwambiri zomwe zimagwiritsidwa ntchito mu makina a polyurethane (PU), kuphatikizapo polyurethane yoyendetsedwa ndi madzi, polyurethane elastomers, zokutira, zomatira, chikopa chopangidwa, ndi zina zotero...Werengani zambiri -
TEDA Catalyst: Katundu, Mapulogalamu ndi Buku Lotsogolera la Ogulitsa
Chothandizira cha TEDA, chomwe chimadziwika kuti triethylenediamine (CAS 280-57-9), ndi chofunikira kwambiri popanga thovu la polyurethane. Triethylenediamine imagwira ntchito ngati chothandizira, kufulumizitsa machitidwe a gelling ndi blowing. MOFAN TEDA imadziwika kuti ndi yapamwamba kwambiri...Werengani zambiri -
DMCHA Catalyst: Katundu, Mapulogalamu ndi Buku Lotsogolera la Ogulitsa
DMCHA ndi gawo lofunika kwambiri popanga zinthu zopangidwa ndi polyurethane. Makampani amagwiritsa ntchito DMCHA kuti afulumizitse zochita mu makina a polyurethane. Makinawa akuphatikizapo kutchinjiriza thovu lolimba ndi zinthu zina zamafakitale. Zinthu zoyambitsa polyurethane amine monga DMCH...Werengani zambiri -
Chothandizira cha Polyurethane: Buku Lonse la Mitundu, Ntchito ndi Magwiritsidwe
Chothandizira cha polyurethane ndi chinthu chomwe chimafulumizitsa kusintha kwa mankhwala popanga polyurethane. Opanga amadalira ma catalyst kuti achepetse nthawi yochitapo kanthu, kukonza kusinthasintha, komanso kuwongolera zinthu monga kuuma ndi kusinthasintha. Chizindikiro...Werengani zambiri -
Buku Lotsogolera Kupanga Polyurethane: Kuchokera pa Kapangidwe ka Mamolekyulu mpaka Kukonza Magwiridwe Abwino
Dziwani momwe mapangidwe a polyurethane amapangidwira pogwiritsa ntchito ma polyol, isocyanates, ma catalysts, ma blowing agents, ndi zowonjezera. Dziwani momwe kapangidwe ka mamolekyulu kamadziwira magwiridwe antchito a thovu, zokutira, ma elastomers, ndi zomatira. ...Werengani zambiri -
Ziphuphu Zitatu Zodziwika Bwino za Polyurethane: Ma Pinhole, Ma Cavities Ochepa, ndi Zizindikiro Zoyendera — Zomwe Zimayambitsa ndi Mayankho a Uinjiniya
Chifukwa Chake Zolakwika Izi Zikubwereranso Kupanga Mu njira zopangira ndi kupanga polyurethane, mabowo a pinhole, ma shrinkage cavities, ndi flow marks ndi zina mwa zolakwika zomwe zimachitika mobwerezabwereza pamwamba pa makina osinthasintha komanso olimba a polyurethane...Werengani zambiri -
Momwe Kukhuthala ndi Kutanuka Zimasinthira Panthawi Yopanga Foam ya Polyurethane
Chifukwa Chake Khalidwe la Viscoelastic Lili Lofunika Pakupanga Thovu la Polyurethane Kugwira ntchito kwa thovu la polyurethane kumagwirizana kwambiri ndi kusintha kwa kukhuthala ndi kusinthasintha panthawi yopangira thovu. Kaya kupanga thovu losinthasintha, thovu lolimba loteteza, kapena polyurethane yapadera ...Werengani zambiri -
Zoona Zomwe Zili M'kati mwa Mavuto Okhudzana ndi Kugwirizana kwa Mapanelo a Polyurethane mu Machitidwe Ophulika a Pentane ndi Momwe Mungawathetsere
01. Chiyambi: Momwe Gulu Limodzi Losungunuka Linabweretsera Kutayika Kwakukulu Mu malo opangira zinthu a wopanga zida zomangira wamkulu, mapanelo a sandwich a polyurethane opangidwa mwatsopano opangidwa ndi zitsulo anakulungidwa bwino atachoka ...Werengani zambiri -
Kuchokera ku Malingaliro a Triazine Chemistry: Chifukwa Chake Zinthu Zoletsa Moto Zochokera ku Nayitrogeni Zimakonda Triazine
Anthu ambiri amakhala ndi funso akayamba kukumana ndi zinthu zoletsa moto zomwe zili ndi nayitrogeni: Popeza zinthu zoletsa moto zimafuna "nayitrogeni", n’chifukwa chiyani makampaniwa amasankha kwambiri kapangidwe ka "triazine ring", m’malo mwa ma amine osavuta, urea, guanidine...Werengani zambiri
