A yau, ɗayan abokin cinikinmu yana buƙatar BPA kyauta a cikin injin tsabtace motar mu na 12V, mun ɗan ɗan ruɗe a wannan buƙatu.Bayan bincike akan intanet.mun koyi abubuwa da yawa game da wannan.Wadannan su ne abubuwan da ke cikin wiki.
Bisphenol A (BPA) wani fili ne na kwayoyin halitta tare da tsarin sinadarai (CH3) 2C (C6H4OH) 2 na ƙungiyar diphenylmethane da bisphenols, tare da ƙungiyoyi biyu na hydroxyphenyl.Yana da ƙarfi mara launi wanda yake narkewa a cikin kaushi na halitta, amma maras narkewa cikin ruwa.Yana cikin amfani da kasuwanci tun 1957.
Ana amfani da BPA don yin wasu robobi da resin epoxy.Filastik na tushen BPA a bayyane yake kuma mai tauri, kuma an yi shi a cikin nau'ikan kayan masarufi na yau da kullun, kamar kwalabe na ruwa, kayan wasanni, CD, da DVD.Ana amfani da resin Epoxy da ke ɗauke da BPA don yin layi da bututun ruwa, azaman sutura a cikin yawancin gwangwani na abinci da abin sha da yin takarda mai zafi kamar wanda ake amfani da shi a cikin rasidin tallace-tallace.[2]A cikin 2015, an samar da kimanin tan miliyan 4 na sinadarai na BPA don kera filastik polycarbonate, wanda ya sa ya zama ɗayan mafi girman adadin sinadarai da aka samar a duniya.[3]
BPA yana nuna kwaikwayon isrogen, kaddarorin masu kama da hormone waɗanda ke tayar da damuwa game da dacewarsa a wasu samfuran mabukaci da kwantena abinci.Tun daga shekara ta 2008, gwamnatoci da yawa sun binciki lafiyar sa, wanda ya sa wasu dillalai su janye samfuran polycarbonate.Hukumar Abinci da Magunguna ta Amurka (FDA) ta kawo karshen izinin yin amfani da BPA a cikin kwalabe na jarirai da marufi na jarirai, bisa watsi da kasuwa, ba aminci ba.[4]Tarayyar Turai da Kanada sun haramta amfani da BPA a cikin kwalaben jarirai.
FDA ta ce "BPA yana da lafiya a matakan da ke faruwa a halin yanzu a cikin abinci" bisa ga bincike mai zurfi, ciki har da ƙarin bincike guda biyu da hukumar ta bayar a farkon 2014.[5]Hukumar Kula da Abinci ta Turai (EFSA) ta sake duba sabbin bayanan kimiyya kan BPA a cikin 2008, 2009, 2010, 2011 da 2015: Kwararrun EFSA sun kammala a kowane lokaci cewa ba za su iya gano wata sabuwar shaida ba wacce za ta kai su ga sake duba ra'ayinsu cewa matakin da aka sani. bayyanar da BPA yana da lafiya;duk da haka, EFSA ta gane wasu rashin tabbas, kuma za ta ci gaba da binciken su.[6]
A cikin Fabrairu 2016, Faransa ta ba da sanarwar cewa tana da niyyar ba da shawarar BPA a matsayin ɗan takarar ɗan takarar REACH mai matukar damuwa (SVHC).[7]
Lokacin aikawa: Agusta-29-2022