MOCA,Imadziwikanso kuti 4,4'-Methylenebis(2-chloroaniline), ndi kristalo wa singano yoyera mpaka yachikasu yomwe imasanduka yakuda ikatenthedwa.Chigawo chosunthikachi chimakhala ndi hygroscopic pang'ono ndipo chimasungunuka mu ma ketoni ndi ma hydrocarbon onunkhira.Koma chomwe chimasiyanitsa MOCA ndi mitundu yosiyanasiyana ya ntchito ndi mawonekedwe ake.
Chemical katundu:kristalo wonyezimira wa singano wonyezimira, wotenthedwa mpaka wakuda.Pang'ono hygroscopic.Amasungunuka mu ma ketoni ndi ma hydrocarbon onunkhira.
MOCA imagwiritsidwa ntchito kwambiri ngati vulcanizing agent ya rabara ya polyurethane.Kuphatikizika kwake kumapangitsa kukhala chisankho chabwino kwambiri chowonjezera mphamvu ndi kulimba kwa zida za rabara.Kuphatikiza apo, MOCA imagwira ntchito ngati njira yolumikizira zokutira za polyurethane ndi zomatira, zomwe zimapereka kumamatira komanso magwiridwe antchito.Kuphatikiza apo, mankhwalawa amatha kugwiritsidwa ntchito pochiritsa ma epoxy resins, zomwe zimapangitsa kuti zikhale zofunikira m'mafakitale osiyanasiyana.
Kuphatikiza apo, kusinthasintha kwa MOCA kumafikira mitundu yosiyanasiyana.Liquid MOCA itha kugwiritsidwa ntchito ngati polyurethane kuchiritsa wothandizila kutentha firiji, kupereka mosavuta ndi kusinthasintha ntchito.Itha kugwiritsidwanso ntchito ngati mankhwala ochiritsa polyurea kupopera mbewu mankhwalawa, kukulitsa kuthekera kwake.
Ubwino ndi ntchito:
Zikafika pamunda wa rabala wa polyurethane ndi zokutira, kupeza cholumikizira choyenera komanso cholumikizira ndikofunikira.Apa ndipamene MOCA (4,4'-Methylene-Bis-(2-Chloroaniline)) imayambira.Ndi katundu wake wapadera komanso ntchito zosiyanasiyana, MOCA yakhala yofunika kwambiri m'mafakitale osiyanasiyana.
MOCA imadziwika kuti imawonekera ngati kristalo yoyera mpaka yachikasu, yomwe imasanduka yakuda ikayaka kutentha.Kuphatikiza apo, ili ndi zinthu zochepa za hygroscopic ndipo imasungunuka mu ma ketoni ndi ma hydrocarbon onunkhira.Makhalidwewa amapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pazopanga zosiyanasiyana.
Chimodzi mwazabwino zazikulu za MOCA ndi ntchito yake ngati vulcanizing wothandizira pa rabara ya polyurethane.Pogwiritsa ntchito maunyolo a polima, MOCA imapangitsa kuti mphira ukhale wolimba komanso wolimba.Izi zimatsimikizira kuti chomalizacho chikhoza kupirira mikhalidwe yovuta ndikusunga umphumphu wake kwa nthawi yaitali.
Kuphatikiza apo, MOCA imagwira ntchito ngati njira yabwino kwambiri yolumikizira zokutira za polyurethane ndi zomatira.Zimalimbikitsa mgwirizano wamakina pakati pa mamolekyu a polima, zomwe zimapangitsa kuti zokutira ndi zomatira zomwe zikuwonetsa magwiridwe antchito apamwamba.Kaya ndi zokutira zoteteza kapena zomatira, MOCA imapereka mphamvu ndi kukhazikika kofunikira.
Kuphatikiza pa ntchito zake mu rabala ndi zokutira, MOCA itha kugwiritsidwanso ntchito pochiritsa ma epoxy resins.Powonjezerapo zochepa za MOCA, utomoni wa epoxy ukhoza kukumana ndi njira yolumikizirana, zomwe zimapangitsa kuti makinawo azikhala ndi mphamvu komanso kutentha.Izi zimapangitsa MOCA kukhala chida chofunikira kwa mafakitale omwe amadalira ma epoxy resins pazogulitsa ndi ntchito zawo.
Kuphatikiza apo, pali mtundu wamadzi wa MOCA wotchedwa Moka.Izi zitha kugwiritsidwa ntchito ngati polyurethane kuchiritsa kutentha kwa firiji, zomwe zimapangitsa kuti zikhale zosavuta kupanga.Kuphatikiza apo, Moka amatha kugwira ntchito ngati polyurea yochiritsa popopera mankhwala.Kusinthasintha kwake komanso kugwiritsa ntchito mosavuta kumapangitsa kukhala chisankho chodziwika pakati pa opanga.
Kupaka ndi kusunga:
Kuyika:50kg/DRUM
Kusungirako:ayenera kukhala ozizira, youma ndi ventilate.
Kukhazikika:Kutentha ndi kusanduka wakuda, chinyezi pang'ono.Palibe mayeso atsatanetsatane a pathological ku China, ndipo sitikutsimikiza kuti mankhwalawa ndi oopsa komanso ovulaza.Chipangizocho chiyenera kulimbikitsidwa kuti chichepetse kukhudzana ndi khungu ndi kupuma kuchokera ku kupuma, ndi kuchepetsa kuvulaza thupi la munthu momwe zingathere.
Chidule:
Kuti tifotokoze mwachidule, MOCA (4,4'-Methylene-Bis-(2-Chloroaniline)) ndi yosunthika kwambiri komanso yamtengo wapatali yowononga komanso yolumikizirana.Kugwiritsa ntchito kwake kosiyanasiyana mu rabara ya polyurethane, zokutira, ndi zomatira zimapangitsa kukhala chisankho chosankha kwa opanga.Ndi kuthekera kwake kowonjezera mphamvu, kulimba, komanso kulumikizana kwamankhwala, MOCA mosakayikira imagwira ntchito yofunika kwambiri pakuwonetsetsa kuti zinthu zosiyanasiyana zikuyenda bwino.
Nthawi yotumiza: Jul-18-2023