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Njira zitatu zomwe tertiary amine catalyst imathandizira kuthamanga kwa insulation
MOFAN TMR-2, yomwe imadziwika ndi nambala 62314-25-4, imadziwika ngati chothandizira chachitatu cha amine chomwe chimafulumizitsa kutetezedwa kwa mapaipi kudzera mu zochita zitatu zazikulu: kuyambitsa mwachangu, kukulitsa bwino kwa thovu, komanso kuchira mwachangu. Chothandizira ichi chimagwirizana ndi magulu a isocyanate, kuwonjezera reactivity yawo ndikupanga ...Werengani zambiri -
Njira yodzipangira khungu la polyurethane
Chiŵerengero cha Polyol ndi isocyanate: Polyol ili ndi hydroxyl yambiri komanso kulemera kwakukulu kwa mamolekyulu, zomwe zidzawonjezera kuchulukana kwa crosslinking ndikuthandizira kukulitsa kuchuluka kwa thovu. Kusintha isocyanate index, ndiko kuti, molar ratio ya isocyanate ku hydrogen yogwira ntchito mu po...Werengani zambiri -
Phunzirani za guluu wa polyurethane kuti mupake mosavuta popanda kupopera kutentha kwambiri
Mtundu watsopano wa guluu wa polyurethane unakonzedwa pogwiritsa ntchito ma polyacid ang'onoang'ono a mamolekyulu ndi ma polyol ang'onoang'ono a mamolekyulu ngati zinthu zoyambira zopangira ma prepolymer. Panthawi yokulitsa unyolo, ma polima opangidwa ndi nthambi zambiri ndi ma trimer a HDI adalowetsedwa mu polyuretha...Werengani zambiri -
Kapangidwe kabwino ka ma elastomer a polyurethane ndi momwe amagwiritsidwira ntchito popanga zinthu zapamwamba
Ma elastomer a polyurethane ndi gulu lofunika kwambiri la zipangizo za polima zogwira ntchito bwino. Ndi mphamvu zawo zapadera zakuthupi ndi zamakemikolo komanso magwiridwe antchito abwino kwambiri, ali ndi udindo wofunikira m'makampani amakono. Zipangizozi zimagwiritsidwa ntchito kwambiri m'mafakitale ambiri...Werengani zambiri -
Polyurethane yochokera ku madzi yopanda ionic yokhala ndi kuwala kolimba bwino kuti igwiritsidwe ntchito pomaliza chikopa
Zipangizo zophimba za polyurethane zimatha kuoneka zachikasu pakapita nthawi chifukwa cha kuwala kwa ultraviolet kapena kutentha, zomwe zimakhudza mawonekedwe awo ndi moyo wawo. Mwa kuyika UV-320 ndi 2-hydroxyethyl thiophosphate mu unyolo wa polyurethane, chinthu chosadziwika...Werengani zambiri -
Kodi zinthu zopangidwa ndi polyurethane zimalimbana ndi kutentha kwambiri?
1 Kodi zinthu zopangidwa ndi polyurethane sizimalimbana ndi kutentha kwambiri? Kawirikawiri, polyurethane siimalimbana ndi kutentha kwambiri, ngakhale ndi makina wamba a PPDI, kutentha kwake kwakukulu kumatha kukhala pafupifupi madigiri 150 okha. Mitundu ya polyester wamba kapena polyether mwina singathe...Werengani zambiri -
Akatswiri Padziko Lonse Okhudza Polyurethane Asonkhana ku Atlanta pa Msonkhano Waukadaulo wa Polyurethanes wa 2024
Atlanta, GA - Kuyambira pa Seputembala 30 mpaka Okutobala 2, Omni Hotel ku Centennial Park idzachita Msonkhano Waukadaulo wa Polyurethanes wa 2024, womwe udzabweretse akatswiri otsogola komanso akatswiri ochokera kumakampani opanga polyurethane padziko lonse lapansi. Yokonzedwa ndi American Chemistry Council...Werengani zambiri -
Kupita Patsogolo kwa Kafukufuku pa Polyurethanes Zosakhala za Isocyanate
Kuyambira pomwe zidayambitsidwa mu 1937, zipangizo za polyurethane (PU) zagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana kuphatikizapo mayendedwe, zomangamanga, mankhwala a petrochemical, nsalu, uinjiniya wamakina ndi zamagetsi, ndege, chisamaliro chaumoyo, ndi ulimi. Izi...Werengani zambiri -
Kukonzekera ndi makhalidwe a thovu lolimba la polyurethane la zogwirira ntchito zamagalimoto zogwira ntchito bwino.
Chopumira cha mkono mkati mwa galimoto ndi gawo lofunika kwambiri la galimoto, lomwe limagwira ntchito yokankhira ndi kukoka chitseko ndikuyika mkono wa munthu amene ali mgalimoto. Pakagwa ngozi, galimoto ikagundana ndi chopumira cha mkono, chopumira cha polyurethane chofewa...Werengani zambiri -
Mbali Zaukadaulo za Kupopera Foam Yolimba ya Polyurethane Field
Zipangizo zotetezera kutentha za polyurethane (PU) ndi polima yokhala ndi kapangidwe kobwerezabwereza ka gawo la carbamate, komwe kamapangidwa ndi momwe isocyanate ndi polyol zimagwirira ntchito. Chifukwa cha kutenthetsa kwake bwino komanso kugwira ntchito kosalowa madzi, imagwiritsidwa ntchito kwambiri kunja...Werengani zambiri -
Kuyambitsa thovu lothandizira thovu lolimba la polyurethane lomwe limagwiritsidwa ntchito pomanga
Chifukwa cha kuwonjezeka kwa kufunika kwa nyumba zamakono zosungira mphamvu komanso kuteteza chilengedwe, magwiridwe antchito a zipangizo zomangira zotetezera kutentha akukhala ofunikira kwambiri. Pakati pawo, thovu lolimba la polyurethane ndi chinthu chabwino kwambiri chotetezera kutentha,...Werengani zambiri -
Kusiyana pakati pa Polyurethane Yochokera Madzi ndi Polyurethane Yochokera Mafuta
Chophimba chosalowa madzi cha polyurethane chopangidwa ndi madzi ndi chinthu chosalowa madzi chokhala ndi mamolekyulu ambiri komanso cholimba chomwe chimamatira bwino komanso chosalowa madzi. Chimamatira bwino ku zinthu zopangidwa ndi simenti monga konkriti, miyala ndi zitsulo. Chopangidwacho...Werengani zambiri
