3,3′,4,4′-Biphenyltetracarboxylic dianhydride CAS:2420-87-3

Dianhydride ya 3,3', 4,4'-Biphenyltetracarboxylic ndi chinthu chofunikira kwambiri popanga ma polima olimbana ndi kutentha kwambiri, monga polyimides ndi poly(ether ether ketone) (PEEK). Ma polima awa amagwiritsidwa ntchito mumlengalenga, magalimoto, zamagetsi, ndi mafakitale ena chifukwa cha kukhazikika kwawo kwapadera pa kutentha, mphamvu yamakina, komanso kukana mankhwala. Chosakanizachi chimagwiritsidwanso ntchito ngati cholumikizirana popanga ma epoxy resins, kukulitsa mphamvu zawo zotentha ndi makina. Kuphatikiza apo, chimagwiritsidwa ntchito popanga zipangizo zamagetsi, monga ma polima amadzimadzi a kristalo ndi ma polima oyendetsera semiconducting, chifukwa cha kuthekera kwake kopereka kukhazikika kwa kutentha kwambiri ndi mphamvu zamagetsi kuzinthu zomaliza. Kuphatikiza apo, dianhydride ya 3,3', 4,4'-Biphenyltetracarboxylic imagwiritsidwa ntchito mu kafukufuku wamaphunziro ndi mafakitale pophunzira momwe zinthu zimachitikira komanso kupanga zinthu zatsopano zokhala ndi mphamvu zopangidwira. Kapangidwe kake kapadera ka mankhwala ndi reactivity zimapangitsa kuti ikhale gawo lofunika kwambiri pakupanga ma polima apamwamba ndi zipangizo zokhala ndi ntchito zosiyanasiyana. Mwachidule, 3,3', 4,4'-Biphenyltetracarboxylic dianhydride ndi mankhwala omwe amagwiritsidwa ntchito popanga ma polima ogwira ntchito kwambiri, zinthu zolumikizirana, zipangizo zamagetsi, komanso kafukufuku wamaphunziro. Makhalidwe ake apadera a mankhwala amamupangitsa kukhala wofunika kwambiri m'mafakitale osiyanasiyana komanso kafukufuku wasayansi.