He aha te tukanga o te Phthalic Anhydride By Product Maleic Anhydride?

Te Tukanga Hua-ā-Tae o te Anhydride Phthalic
I te whakaputanga o te anhydride phthalic mai i te o-xylene, he hua taha te anhydride maleic (~5% o te putanga anhydride phthalic). I te wā e whakaputa ana i te anhydride phthalic, ka horoia te hau hiku tauhohenga hei tango i ngā mea rauropi; ka whakapūmautia te wai horoi (kei roto ko te anhydride maleic, he iti noa te waikawa benzoic, me te waikawa phthalic), ka purea, ā, ka PAIkua whakamarokehia—ka puta he hua anhydride maleic.

He aha koe i whiriwhiri ai i te Maleic Anhydride? Koinei te pou tuarā o ngā kapia polyester kounga teitei, ā, ka wetewetehia hoki ngā matū rerekē o muri mai (BDO, THF, me ētahi atu). Tukua mai he karere inaianei hei tūhura i ngā otinga MA kua whakaritea mō tō pakihi!