3,3′,4,4′-Biphenyltetracarboxylic dianhydride CAS: 2420-87-3 3
incazelo
| ITEM | IZINHLOBO |
| Ukubukeka | Impuphu emhlophe |
| Ubumsulwa (HPLC) | 99.9% |
| Indawo Yokuncibilika | ≥298℃ |
| Ukuhlolwa Kwensimbi | Ubuningi obungu-500ppb. ngensimbi eyodwa |
| ISIPHETHO | IMIPHUMELA IVUMELANA NEZINDINGANISO ZAMABHIZINISI |
Ukusetshenziswa
3,3', 4,4'-Biphenyltetracarboxylic dianhydride (BPDA)iyinto ebalulekile ekwakhiweni kwezinto eziphilayo futhi inezinhlobo eziningi zezicelo:
Ukwenziwa kwe-Polyimide
- Amafilimu asebenza kahle kakhulu: Angabhekana nokusabela kwe-polycondensation ngama-diamine compounds ukuze akhiqize amafilimu e-polyimide. Lawa mafilimu anokumelana okuhle kakhulu nokushisa okuphezulu. Ngisho nasendaweni enokushisa okuphezulu ngaphezu kwama-200 °C, asengagcina izakhiwo ezinhle zemishini kanye nokushisa kagesi. Ngakho-ke, avame ukusetshenziswa ensimini yezindiza ukuvikela ukushisa kwama-motor kanye nezinto zikagesi noma njengezinto eziyisisekelo zamabhodi wesekethe aprintiwe aguquguqukayo.
- Amapulasitiki Obunjiniyela: Amapulasitiki obunjiniyela be-polyimide ahlanganisiwe anamandla aphezulu, aqinile kahle, futhi awagugi. Angabunjwa ngomjovo ukuze akhiqize izingxenye ezithile ezinembile ezinezidingo eziqinile zezakhiwo zemishini, njengezibiyeli ezincane ezizungeze izinjini zezindiza nezingxenye zokudlulisela ngaphakathi kwamawashi obunjiniyela aphezulu.
- Insimu Yokumboza: Izembozo ze-polyimide ezakhiwe ngokusekelwe ku-BPDA zinokumelana nokugqwala kwamakhemikhali okuvelele. Uma zifakwa ezindongeni zangaphakathi zamatangi okugcina amakhemikhali kanye nama-reactor, zingamelana nokuguguleka kwama-asidi ahlukahlukene, izisekelo, kanye nezinyibilikisi eziphilayo isikhathi eside, okuqinisekisa impilo yenkonzo yemishini. Ngesikhathi esifanayo, futhi zinokumelana okuhle nokushisa. Uma zimbozwe ngamapayipi okukhipha umoya ashisa kakhulu kanye nezimbozo zenjini, ngeke ziqhekeke kalula ngenxa yokushisa okuphezulu.
- Izinto zefayibha: Isetshenziselwa ukukhiqiza imicu esebenza kahle kakhulu. Imicu ye-polyimide ekhiqizwayo inamandla aphezulu, i-modulus ephezulu, kanye nokuqina okuhle kakhulu kokushisa. Ivame ukusetshenziselwa ukukhiqiza amasudi angashi, izintambo ezikhethekile zezindiza, njll., okunikeza isivikelo esithembekile sabasebenzi kanye nemishini ezimweni zokushisa okuphezulu kanye nezingozi eziphezulu.
Ukupakisha Nokuthumela
20KG/Isigubhu noma ngokwezidingo zamakhasimende.
Kungokwempahla evamile futhi kungathunyelwa ngolwandle nangomoya
Gcina futhi ugcine
Isikhathi sokuphila: Izinyanga ezingama-24 kusukela ngosuku lokwenziwa kwento epakishweni lokuqala elingavulwanga, igcinwe endaweni epholile neyomile kude nokukhanya kwelanga okuqondile, amanzi.
Indawo yokugcina izinto enomoya, Ukomisa okuphansi kwezinga lokushisa, Ihlukaniswe nama-oxidants, ama-acid.
