Ino Bisphenol A ninzi?

Bisphenol A (BPA) Ntalisyo

Bisphenol A (BPA), alimwi wiitwa kuti 2,2-bis(4-hydroxyphenyl)propane, nchintu chipati chizwa ku phenol a acetone. Chipangwa mumafakitali kwiinda mukusanganya phenol a acetone kakuli zintu zigwasya mbuli mercaptoacetic acid, chloroacetic acid, barium hydroxide, naa kubelesya ion exchange resins. Nchintu chiyandikana loko chakupanga makemikalu.

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

Bisphenol A – musamu uukwabilila kupya a 155-158°C, ulazumanana kuba mbuli bbwe mumasena aapya kapati. Tyanka aawa kuti ujane miulo iigwisigwa.