Kajeno, e mong oa bareki ba rona o hloka BPA mahala ho li-vacuum tsa rona tsa likoloi tsa 12V, re maketse hanyane ka tlhoko ena.Ka mor'a ho batla Inthaneteng.re ithutile ho hongata ka sena.Lintlha tse latelang ke tsa wiki.
Bisphenol A (BPA) ke motsoako oa organic synthetic o nang le foromo ea lik'hemik'hale (CH3)2C(C6H4OH)2 ea sehlopha sa diphenylmethane derivatives le bisphenols, e nang le lihlopha tse peli tsa hydroxyphenyl.Ke ntho e tiileng e se nang 'mala e qhibilihang ka har'a lihlapolli tsa tlhaho, empa ha e khone ho qhibiliha ka metsing.E 'nile ea sebelisoa khoebong ho tloha ka 1957.
BPA e hiriloe ho etsa lipolasetiki tse itseng le li-epoxy resin.Plastiki e thehiloeng BPA e hlakile ebile e thata, 'me e entsoe ka mefuta e fapaneng ea thepa e tloaelehileng ea bareki, joalo ka libotlolo tsa metsi, lisebelisoa tsa lipapali, li-CD le li-DVD.Li-resin tsa epoxy tse nang le BPA li sebelisoa ho tsamaisa lipeipi tsa metsi, e le liphahlo tse ka hare ho makotikoti a mangata a lijo le lino le ho etsa pampiri e chesang e kang e sebelisoang lirisiting tsa thekiso.[2]Ka 2015, ho hakanngoa hore lithane tse limilione tse 4 tsa lik'hemik'hale tsa BPA li ile tsa hlahisoa bakeng sa ho etsa polasetiki ea polycarbonate, e leng se etsang hore e be e 'ngoe ea lik'hemik'hale tse phahameng ka ho fetisisa tse hlahisoang lefatšeng ka bophara.[3]
BPA e bonts'a ho etsisa estrogen, thepa e kang ea li-hormone e phahamisang ho ameha ka ho tšoaneleha ha eona lihlahisoa tse ling tsa bareki le lijaneng tsa lijo.Ho tloha 2008, mebuso e 'maloa e batlisitse polokeho ea eona, e leng se entseng hore barekisi ba bang ba tlose lihlahisoa tsa polycarbonate.US Food and Drug Administration (FDA) e felisitse tumello ea eona ea tšebeliso ea BPA ka libotlolong tsa masea le ho paka lebese le phofo la masea, ho ipapisitsoe le ho lahloa marakeng, eseng polokeho.[4]European Union le Canada li thibetse tšebeliso ea BPA ka libotlolong tsa bana.
FDA e re "BPA e bolokehile maemong a hajoale a hlahang lijong" ho ipapisitsoe le lipatlisiso tse ngata, ho kenyeletsoa le lithuto tse ling tse peli tse fanoeng ke lefapha mathoasong a 2014. [5]The European Food Safety Authority (EFSA) e ile ea hlahloba boitsebiso bo bocha ba saense ka BPA ka 2008, 2009, 2010, 2011 le 2015: Litsebi tsa EFSA li ile tsa etsa qeto ka lekhetlo le leng le le leng hore li ne li ke ke tsa tseba bopaki leha e le bofe bo bocha bo ka ba lebisang ho ntlafatsa maikutlo a bona a hore boemo bo tsejoang. ho pepesehela BPA ho bolokehile;leha ho le joalo, EFSA e hlokomela lintho tse ling tse sa tsitsang, 'me e tla tsoela pele ho li batlisisa.[6]
Ka Hlakola 2016, Fora e phatlalalitse hore e ikemiselitse ho sisinya BPA joalo ka mokhethoa oa REACH Regulation ea bohlokoa haholo (SVHC).[7]
Nako ea poso: Aug-29-2022