Nhasi, mumwe wemutengi wedu anoda BPA yemahara mune yedu 12V mota vacuum cleaners, isu tinonetsekana zvishoma mune ichi chinodiwa.Mushure mekutsvaga painternet.takadzidza zvakawanda pamusoro peizvi.Zvinotevera ndizvo zviri kubva wiki.
Bisphenol A (BPA) is an organic synthetic compound ine chemical formula (CH3)2C(C6H4OH)2 iri muboka re diphenylmethane derivatives and bisphenols, rine mapoka maviri ehydroxyphenyl.Iyo yakasimba isina ruvara inonyungudika muorganic solvents, asi isinganyungudika mumvura.Yakanga iri mukushandiswa kwekutengesa kubvira 1957.
BPA inoshandiswa kugadzira mamwe mapurasitiki uye epoxy resins.BPA-yakavakirwa mapurasitiki akajeka uye akaomarara, uye anogadzirwa kuva akasiyana siyana akajairika zvinhu zvevatengi, senge mabhodhoro emvura, midziyo yemitambo, maCD, uye maDVD.Epoxy resins ine BPA inoshandiswa kumisa pombi dzemvura, semapepi emukati megaba rezvokudya nezvinwiwa zvakawanda uye mukugadzira mapepa anopisa seanoshandiswa mumarisiti ekutengesa.[2]Muna 2015, inofungidzirwa kuti mamiriyoni mana ematani emakemikari eBPA akagadzirwa kugadzira polycarbonate plastiki, zvichiita kuti ive imwe yepamusoro-soro yemakemikari anogadzirwa pasi rose.
BPA inoratidzira estrogen kutevedzera, mahormone-senge zvivakwa zvinosimudza kushushikana pamusoro pekukodzera kwayo mune zvimwe zvigadzirwa zvevatengi uye midziyo yechikafu.Kubva 2008, hurumende dzakati wandei dzakaongorora kuchengetedzwa kwayo, izvo zvakaita kuti vamwe vatengesi vabvise zvigadzirwa zve polycarbonate.Sangano reUS Food and Drug Administration (FDA) rapedza mvumo yaro yekushandiswa kweBPA mumabhodhoro evana uye kurongedza fomula yevacheche, zvichibva pakusiiwa kwemusika, kwete kuchengeteka.[4]European Union neCanada dzakarambidza kushandiswa kweBPA mumabhodhoro evana.
Iyo FDA inoti "BPA yakachengeteka pamatanho ari kuitika mukudya" zvichibva mukutsvagisa kwakadzama, kusanganisira zvimwe zvidzidzo zviviri zvakaburitswa nesangano mukutanga kwa2014. [5]The European Food Safety Authority (EFSA) yakaongorora ruzivo rutsva rwesainzi paBPA muna 2008, 2009, 2010, 2011 uye 2015: Nyanzvi dzeEFSA dzakagumisa panguva yega yega kuti hadzina kugona kuona humbowo hutsva hwaizovatungamira kuti vadzokorore maonero avo kuti nhanho inozivikanwa. yekusangana neBPA yakachengeteka;zvisinei, EFSA inoziva zvimwe zvisina chokwadi, uye icharamba ichizviongorora.[6]
Muna Kukadzi 2016, France yakazivisa kuti inotarisira kupa BPA seREACH Regulation mumiriri wechinhu chepamusoro-soro (SVHC).[7]
Nguva yekutumira: Aug-29-2022