He aha te hua Bisphenol A?

Bisphenol A (bpa) Kupu Whakataki

Ko te Bisphenol A (BPA), e mōhiotia ana ko te 2,2-bis(4-hydroxyphenyl)propane, he matū matua i ahu mai i te phenol me te acetone. Ka hangaia i roto i te ahumahi mā te whakakotahitanga o te phenol me te acetone i te aroaro o ngā whakakorikori pēnei i te waikawa mercaptoacetic, te waikawa chloroacetic, te barium hydroxide, te whakamahi rānei i ngā kapia whakawhiti katote. He rauemi mata matū waro nui.

Tauhohenga Whakapūngao:
2 C₆H₅OH (Phenol) + (CH₃)₂C=O (Acetone) → (C₆H₄OH)₂C(CH₃)₂ (Bisphenol A) + H₂O

Ko te Bisphenol A – te paionia ātete wera me te ira rewa o te 155-158°C, ka noho pakari tonu i roto i ngā taiao pāmahana teitei. Pāwhiri ki konei hei tiki i ngā utu whakaheke.