He aha ka huahana Bisphenol A?

ʻO Bisphenol A (bpa) Hoʻolauna

ʻO Bisphenol A (BPA), i ʻike ʻia hoʻi ʻo 2,2-bis(4-hydroxyphenyl)propane, he mea nui ia o ka phenol a me ka acetone. Hoʻohui ʻia ia ma ke ʻano ʻoihana e ka condensation o ka phenol a me ka acetone i ke alo o nā mea hoʻouluulu e like me ka mercaptoacetic acid, chloroacetic acid, barium hydroxide, a i ʻole ka hoʻohana ʻana i nā resins hoʻololi ion. He mea maka kemika organik koʻikoʻi ia.

Ka Hana Hoʻoheheʻe:
2 C₆H₅OH (Phenol) + (CH₃)₂C=O (ʻAsetone) → (C₆H₄OH)₂C(CH₃)₂ (Bisphenol A) + H₂O

ʻO Bisphenol A - ka paionia kūpaʻa wela me kahi kiko heheʻe o 155-158°C, e noho paʻa mau ana i nā wahi wela kiʻekiʻe. Kaomi ma aneʻi e kiʻi i nā kumukūʻai hoʻēmi.