3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS: 2421-28-5

"3,3',4,4'-Benzophenonetetracarboxylic dianhydride, tseem hu ua BPTCDA, yog ib qho tshuaj lom neeg uas siv tau ntau yam hauv ntau yam lag luam. Ib qho ntawm nws cov kev siv tseem ceeb yog nyob rau hauv kev tshawb fawb polymer. BPTCDA ua haujlwm ua ib qho tseem ceeb monomer hauv kev tsim cov polymers thiab copolymers ua haujlwm siab. Cov polymers no qhia txog kev ruaj khov thermal zoo heev, lub zog kho tshuab, thiab cov khoom siv hluav taws xob. Lawv pom kev siv hauv cov chaw xws li cov khoom sib xyaw ua ke, cov txheej txheem, cov nplaum, thiab cov khoom siv hluav taws xob. Cov polymers raws li BPTCDA paub txog lawv qhov kev tiv thaiv rau qhov kub thiab txias siab thiab ib puag ncig hnyav, ua rau lawv haum rau kev lag luam aerospace, tsheb, thiab kev lag luam hluav taws xob. Ntxiv mus, BPTCDA ua lub luag haujlwm tseem ceeb hauv cov khoom siv chemistry. Nws cov qauv tshwj xeeb thiab kev ua haujlwm ua rau nws yog ib qho tseem ceeb hauv kev tsim cov khoom siv ua haujlwm xws li cov kua siv lead ua kua, cov khoom siv semiconductor organic, thiab cov khoom sib xyaw photochromic. Cov ntaub ntawv no muaj kev siv hauv cov thev naus laus zis tso saib, cov khoom siv kho qhov muag, thiab cov sensors. Ntxiv mus, BPTCDA siv dav hauv kev tsim cov organic. Nws cov pab pawg carboxylic acid uas muaj zog heev tso cai rau kev tsim ntau yam derivatives thiab cov khoom sib xyaw ua haujlwm. Cov kws tshawb fawb siv BPTCDA ua lub tsev thaiv los tsim cov organic molecules nyuaj nrog cov khoom xav tau rau cov tshuaj, agrochemicals, thiab cov tshuaj tshwj xeeb. Ntxiv mus, cov tshuaj no pom tias muaj txiaj ntsig zoo hauv kev ua catalysis. Nws cov qauv ruaj khov thiab cov pab pawg electron-withdrawing ua rau nws yog ib qho catalyst zoo hauv ntau qhov kev tshuaj tiv thaiv, suav nrog oxidation, txo qis, thiab carbon-carbon bond tsim. BPTCDA-based catalysts tau ua pov thawj tias muaj kev ua haujlwm zoo dua, kev xaiv, thiab kev ruaj khov, ua rau muaj kev hloov pauv tshuaj lom neeg zoo dua thiab ruaj khov. Hauv kev xaus, 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, lossis BPTCDA, muaj cov ntawv thov tseem ceeb hauv kev tshawb fawb polymer, cov ntaub ntawv chemistry, organic synthesis, thiab catalysis. Nws cov qauv tshwj xeeb thiab kev ua haujlwm ntau yam ua rau nws yog ib qho khoom muaj nqis rau kev tsim cov polymers ua tau zoo, cov ntaub ntawv ua haujlwm, thiab cov organic molecules nyuaj. Ntau yam kev siv ua rau BPTCDA yog ib qho tseem ceeb hauv kev txhawb nqa kev nce qib hauv kev siv tshuab thiab kev tshawb fawb.