9,9-Bis (3,4-dicarboxyphenyl) fluorene Dianhydride / BPAF CAS: 135876-30-1

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9,9-bis (3,4-dicarboxyphenyl) fluorene dioic anhydride, feem ntau hu ua BDFA, yog cov tshuaj sib xyaw nrog cov mis molecular C32H14O6.Nrog rau qhov hnyav molecular ntawm 494.45 g / mol, qhov sib xyaw no yog qhov tshwj xeeb ruaj khov, siab melting point, thiab superior solubility nyob rau hauv ntau yam organic solvents.

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BDFA yog dav siv los ua ib qho tseem ceeb hauv kev sib txuas ntawm cov khoom siv polymers thiab cov khoom siv.Nws cov qauv molecular tshwj xeeb, suav nrog ob lub nplhaib benzene txuas nrog lub pob txha fluorene, muab qhov tshwj xeeb thermal thiab cov khoom siv rau cov khoom siv polymers.

Qhov tshwj xeeb thermal stability ntawm BDFA-based polymers tso cai rau lawv tiv taus qhov kub thiab txias, ua rau lawv tsim nyog rau kev siv hauv aerospace, automotive, thiab electronics industries.Cov polymers no muaj qhov zoo tshaj plaws tiv thaiv tshav kub, UV hluav taws xob, thiab tshuaj lom neeg corrosion, ua kom lawv lub neej ntev thiab ua haujlwm ntev hauv qhov xav tau ib puag ncig.

Tsis tas li ntawd, BDFA-based polymers muaj cov khoom siv hluav taws xob zoo heev, ua rau lawv xaiv zoo tshaj plaws rau kev siv hluav taws xob thiab hluav taws xob.Cov polymers no tuaj yeem siv rau hauv kev tsim cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov ntawv luam tawm hauv Circuit Court, qhov twg cov hluav taws xob conductivity yuav tsum tau txo qis.

BDFA tseem muaj npe nrov rau nws lub peev xwm los txhim kho cov neeg kho tshuab lub zog thiab rigidity ntawm polymers.Los ntawm kev sib koom ua ke BDFA rau hauv cov khoom siv polymer, cov ntaub ntawv ua tau zoo tuaj yeem txhim kho tensile lub zog, cuam tshuam tsis kam, thiab qhov ntev stability.Qhov no ua rau lawv tsim nyog rau kev siv hauv kev tsim kho, tsheb, thiab cov khoom siv hauv kev lag luam.

Ntxiv rau nws cov ntawv thov hauv cov khoom siv ua haujlwm siab, BDFA pom kev siv hluav taws xob hauv kev tsim cov tshuaj tshwj xeeb, dyes, thiab pigments.Nws cov qauv molecular tshwj xeeb muab sijhawm rau kev hloov kho, tso cai rau cov kws tshawb fawb thiab cov chaw tsim khoom tsim cov ntaub ntawv tshiab nrog cov khoom tsim.