4,4′-(Hexafluoroisopropylidene) diphthalic anhydride/6FDA CAS: 4415-87-6

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4,4′-(Hexafluoroisopropylidene) diphthalic anhydride (CAS1107-00-2) yog ib qho zoo kawg nkaus compound uas tau txais kev muaj koob npe nrov hauv ntau yam kev tshawb fawb.Kuj hu ua hexafluorobutadiene, cov tshuaj no muaj cov qauv molecular tshwj xeeb uas muaj rau fluorine atoms khi rau hauv nruab nrab carbon atom.Qhov tshwm sim ntawm qhov muaj pes tsawg leeg no yog ib yam khoom tshwj xeeb nrog suav tsis txheeb siv thiab cov txiaj ntsig.

Nrog ib tug molecular mis ntawm C4F6, 4,4′-(Hexafluoroisopropylidene) diphthalic anhydride qhia tau zoo kawg li tshuaj stability thiab muaj ib tug boiling point ntawm -17.4°C. Cov tshuaj no yog soluble nyob rau hauv ntau yam ntawm cov organic solvents, ua rau nws hloov mus rau ntau yam kev sim.Nws tseem yog cov kua tsis muaj xim, tsis muaj tshuaj lom, ua kom muaj kev nyab xeeb thiab siv tau zoo.

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4,4′-(Hexafluoroisopropylidene) diphthalic anhydride (CAS1107-00-2) feem ntau yog siv los ua tus ua ntej rau kev sib txuas ntawm fluoropolymers thiab perfluorocarbons.Nws qhov tshwj xeeb reactivity thiab stability ua rau nws yog ib qho zoo tagnrho tsev thaiv rau ntau yam tshuaj tiv thaiv thiab cov txheej txheem synthesis.

Tsis tas li ntawd, qhov sib xyaw no pom kev siv dav hauv kev lag luam tshuaj thiab hluav taws xob.4,4′-(Hexafluoroisopropylidene) diphthalic anhydride ua haujlwm tseem ceeb hauv kev tsim cov tshuaj tshwj xeeb thiab cov khoom siv hluav taws xob siab heev.Nws cov khoom tshwj xeeb, xws li thermal stability thiab hluav taws xob rwb thaiv tsev, ua rau nws tseem ceeb hauv cov haujlwm no.

Raws li lub luag haujlwm ntawm cov khoom siv tshuaj, peb ua raws li kev tswj hwm nruj kom paub meej tias peb 4,4'-(Hexafluoroisopropylidene) diphthalic anhydride ua tau raws li cov qauv kev lag luam siab tshaj plaws.Peb pab pawg kws tshaj lij ua haujlwm rau siab los muab koj cov khoom lag luam uas tsis muaj impurities, kom ntseeg tau qhov tseeb tshaj plaws thiab kev ntseeg siab hauv koj qhov kev sim thiab kev siv.