I-Melamine Cynurate(i-MCA) iyinhlanganisela ebalulekile esetshenziswa kabanzi embonini ye-flame retardant, efanelekile ikakhulukazi ukuguqulwa kwe-flame retardant ye-thermoplastics, njenge-nylon (PA6, PA66) ne-polypropylene (PP). Imikhiqizo yekhwalithi ephezulu ye-MCA ingathuthukisa ngokuphawulekayo izici zokunqanda ilangabi zezinto zokwakha ngenkathi igcina izakhiwo zemishini nezinto zokucubungula. Kodwa-ke, ikhwalithi yemikhiqizo ye-MCA emakethe iyahlukahluka, futhi indlela yokukhetha i-MCA yekhwalithi ephezulu ibe yinkinga ebalulekile abasebenzisi ababhekene nayo.
Okokuqala, qonda izici eziyisisekelo ze-melamine cyanrate
I-Melamine cyanrate iyimpushana emhlophe noma i-granule enezici ezilandelayo:
1. Ukusebenza okuhle kakhulu kwe-flame retardant: I-MCA ikhipha igesi engasebenzi kanye ne-nitrogen ngokubola kwe-endothermic ukuze yakhe isendlalelo sokuvikela ukushisa, esivimbela ukuvutha.
2. Ukuzinza okuhle kokushisa: I-MCA izinzile emazingeni okushisa aphezulu futhi ingakwazi ukuzivumelanisa nezimo ezihlukahlukene zokucubungula.
3. Ayinabo ubuthi futhi ayihambisani nemvelo: Njengesinqamuli ilangabi esinganayo i-halogen, i-MCA ithobela imithetho yemvelo yamazwe ngamazwe (njenge-RoHS ne-REACH) futhi isetshenziswa kakhulu ezintweni zikagesi nasezinkundleni zezimoto.
Qonda inqubo yokukhiqiza ye-MCA
Inqubo yokukhiqiza ye-MCA Okwamanje kunezinqubo ezimbili zokukhiqiza eziyinhloko emakethe:
Indlela ye-Urea
I-Melamine yengezwa ngesikhathi se-pyrolysis ye-urea ukukhiqiza i-ICA, noma i-urea ne-melamine i-eutectic ukukhiqiza i-MCA engahluziwe ngesinyathelo esisodwa. I-Acid ibilisiwe, yagezwa, yomiswa futhi yacwengwa ukuze kutholwe umkhiqizo oqediwe. Izindleko zokukhiqiza ziphansi. Izindleko zezinto ezingavuthiwe zingama-70% kuphela zalezo zendlela ye-cyanuric acid.
indlela ye-cyanuric acid
Engeza amanani alinganayo e-melamine ne-ICA emanzini ukuze wenze ukumiswa, uphendule amahora ambalwa ku-90-95 ° C (noma 100-120 ° C79), uqhubeke usabela isikhathi esithile ngemva kokuba udaka selubonakala ngokusobala, futhi ukuhlunga. . , omisiwe futhi ochotshoziwe ukuze uthole umkhiqizo ophelile. Utshwala kamama bugaywa kabusha.
Naka izinkomba zekhwalithi eziwumongo ze-MCA
Lapho ukhetha i-MCA, udinga ukugxila kulezi zinkomba zekhwalithi ezilandelayo:
Ubumsulwa
Ukuhlanzeka okuphezulu kwe-MCA kuyisisekelo semikhiqizo yekhwalithi. Ngokuvamile, ukuhlanzeka kwe-MCA yekhwalithi ephezulu akufanele kube ngaphansi kwama-99.5%. Ukuphakama kokuhlanzeka, kuba ngcono izici zayo ezivimbela amalangabi, kuyilapho kugwema umthelela wokungcola ezindaweni ezibonakalayo.
Ubumhlophe
Uma buphezulu ubumhlophe, bucwengeka kakhulu ubuchwepheshe bokucubungula be-MCA kanye nokuncipha kokuqukethwe kokungcola. Ubumhlophe obuphezulu be-MCA abuthuthukisi nje kuphela ikhwalithi yokubukeka, kodwa futhi bugwema noma yimuphi umthelela kumbala womkhiqizo wokugcina.
Ukusabalalisa usayizi we-particle
Usayizi nokusatshalaliswa kosayizi wezinhlayiyana kuthinta ngokuqondile ukuhlakazeka nokusebenza kokucubungula kwe-MCA ku-matrix ye-polymer. I-MCA yekhwalithi ephezulu ivamise ukuba nosayizi wezinhlayiyana ezifanayo ukusatshalaliswa, futhi usayizi wezinhlayiyana omaphakathi ulawulwa ngokwesidingo seklayenti (ngokuvamile elilingana noma ngaphansi kwama-microns angu-4), okungagcini nje ngokuqinisekisa ukuhlakazeka kodwa futhi kunciphise umthelela wezakhiwo zemishini. impahla.
Umswakama
I-MCA enomswakama ophansi inganciphisa ingozi ye-hydrolysis yezinto ze-polymer ngesikhathi sokucubungula izinga lokushisa eliphezulu futhi iqinisekise ukuhambisana kwe-excellet. Umswakamo wekhwalithi ephezulu we-MCA uvamise ukuba ngaphansi kuka-0.2%.
Hlola iziqu zabahlinzeki kanye namakhono esevisi
Ukukhetha imikhiqizo yekhwalithi ephezulu ye-MCA, ngaphezu kokunaka umkhiqizo ngokwawo, udinga ukuhlola iziqu zomphakeli namandla wesevisi:
Iziqu zesitifiketi
Abahlinzeki bekhwalithi ephezulu ngokuvamile baphumelele isitifiketi sesistimu yokuphatha ikhwalithi ye-ISO9001, isitifiketi se-ISO14001 sohlelo lokuphathwa kwemvelo, njll. Ngaphezu kwalokho, imikhiqizo kufanele ihambisane nemithetho yomhlaba wonke yezemvelo efana ne-REACH.
Amandla okukhiqiza kanye nokwesekwa kwezobuchwepheshe
Abahlinzeki abanezindawo zokukhiqiza zesimanje kanye namaqembu e-R&D bangaqinisekisa ukunikezwa okuzinzile kwemikhiqizo futhi banikeze amakhasimende ukwesekwa kobuchwepheshe nezisombululo.
Isithunzi sekhasimende
Funda mayelana nesithunzi somphakeli namazinga wesevisi ngokubuyekezwa kwamakhasimende. Uma imikhiqizo yomphakeli isetshenziswa kabanzi yizinkampani ezaziwayo, ukuthembeka kwazo kanye nekhwalithi kuqinisekiswa kakhulu.
Logistics kanye nesevisi yangemuva kokuthengisa
Abahlinzeki bekhwalithi ephezulu ngokuvamile banohlelo oluphelele lwezokuthutha futhi bangasabela ngokushesha ezidingweni zamakhasimende. Ngesikhathi esifanayo, kufanele futhi banikeze isevisi enhle yangemva kokuthengisa, okuhlanganisa ukwesekwa kobuchwepheshe, impendulo yenkinga, njll.
Ukuvakasha endaweni kanye nokuhlolwa kwesampula
Ngaphambi kokuhlonza abahlinzeki bezinkampani ezisebenzisanayo, ukuhlola endaweni kuyindlela ebalulekile yokuqinisekisa amakhono okukhiqiza. Ngokuvakashela imboni, ungaqonda imishini yayo yokukhiqiza, ukugeleza kwenqubo kanye nezinga lokuphatha ikhwalithi. Ngaphezu kwalokho, ukuhlolwa kwesampula nakho kuyisinyathelo esibalulekile sokuqinisekisa ukuthi umkhiqizo uhlangabezana nezidingo.
Izincomo zokuhlola isampula zifaka okulandelayo:
- Ukuhlaziywa kobumsulwa: Ngokuhlolwa kwaselabhorethri, qinisekisa ukuthi ubumsulwa bangempela bomkhiqizo buhlangabezana nezidingo.
- Ukuhlolwa kosayizi wezinhlayiyana: Ukusatshalaliswa kosayizi wezinhlayiyana kukalwa kusetshenziswa ukuhlaziya usayizi wezinhlayiyana.
Ngedatha yokuhlola, ungaqonda ukusebenza komkhiqizo ngendlela enembile futhi wenze izinqumo zokuthenga zesayensi.
Ngokulandela izinyathelo ezingenhla, uzokwazi ukuthola ikhwalithi ephezuluUmphakeli we-MCAengahlinzeka ngesisombululo esizinzile se-flame retardant yephrojekthi yakho.
Isikhathi sokuthumela: Dec-02-2024