Kodi Bisphenol A ndi chiyani?

Bisphenol A (bpaChiyambi

Bisphenol A (BPA), yomwe imadziwikanso kuti 2,2-bis(4-hydroxyphenyl)propane, ndi chinthu chofunikira kwambiri chomwe chimachokera ku phenol ndi acetone. Chimapangidwa m'mafakitale ndi kusungunuka kwa phenol ndi acetone pamaso pa zinthu monga mercaptoacetic acid, chloroacetic acid, barium hydroxide, kapena pogwiritsa ntchito ma ion exchange resins. Ndi chinthu chofunikira kwambiri chachilengedwe.

Kuyankha kwa Kuzizira:
2 C₆H₅OH (Phenol) + (CH₃)₂C=O (Acetone) → (C₆H₄OH)₂C(CH₃)₂ (Bisphenol A) + H₂O

Bisphenol A – yomwe ndi yoyamba kupirira kutentha ndi kutentha kwa 155-158°C, imakhalabe yolimba kwambiri m'malo otentha kwambiri. Dinani apa kuti mupeze mitengo yotsika.