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    Phenol&Acetone Condensation bakeng sa Tšweletšo ya BPA e arabela bjang?

    2. 2.025-11-04

    Phenol le acetone di feta karabelo ya go kgotlelela ka fase ga catalysis ya sedirišwa sa esiti go tšweletša Bisphenol A BPA. Karabelo e kgolo ga se e raraganego, gomme maemo a karabelo a bonolo kudu. Ka kakaretšo e ka tšwela pele ka thelelo ka kgatelelo ya tlwaelo le 60 - 90 °C. Tshepetšo ya tšweletšo ya BPA ga se ye telele, kudukudu e na le dikarolo tše nne: karabelo ya go kgotlelela, go kristaloga ga adduct, go tlošwa le go hlwekiša phenol, le go fola bjala bja mma. Le ge go le bjalo, polycarbonate - grade BPA e na le dinyakwa tša boleng bjo bo phagamego kudu, e nyaka bohlweki bja go feta 99.5%, karolwana ya boima bja phenol ya ka fase ga 5 × 10−5, mmala wa APHA wa ka fase ga 20, le dithibelo tša ntlha ya go gatsela, molora, di-ion tša tšhipi, bj.bj.. Ka ge Bisphenol A BPA e le a GABOTSEt - nahanela le oksijene - nahanela ntho le ntlha e phahameng haholo bela (360.5 ° C), litšobotsi tsena tlisa mathata a mangata a boenjiniere dikhemikhale ho tlhahiso ea boleng bo phahameng Bisphenol A BPA.