Site na ọbịbịa nke oge okpomọkụ, ụdị mmanya ọ bụla n'ime oge ịre ahịa, ọtụtụ ndị na-azụ ahịa na-ajụ: kedu karama ihe ọṅụṅụ dị mma karịa? Mkpọ niile nwere BPA?
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Onye odeakwụkwọ ukwu nke International Food Packaging Association, ọkachamara na nchekwa gburugburu ebe obibi Dong Jinshi gwara ndị nta akụkọ na plastik polycarbonate nwere bisphenol A dị ọcha, adịghị mfe imebi yana njirimara ndị ọzọ. Ndị na-emepụta ihe na-eji ya emepụta ihe dị iche iche, dị ka tebụl rọba, karama mmiri rọba, karama ụmụaka, obere nri nri, wdg. A na-ejikarị resin epoxy nwere bisphenol A na mkpuchi dị n'ime nke nri na ihe ọṅụṅụ dị ka ite nri na mkpọ. Ihe kpatara na igbe ngwungwu ígwè na aluminom nwere bisphenol A bụ na bisphenol A nwere mmetụta mgbochi corrosion dị mma ma nwee ike igbochi oxygen na microorganisms nke ọma ịbanye na mkpọ ahụ.
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Dong Jinshi na-echetara, ugbu a nwere bisphenol A ọ bụghị naanị aluminum nwere ike kola, nwere ike ígwè,aluminom nwere ike nkwakọ ngwaahịanke poruel akụ asatọ, mkpụrụ mkpọ na ihe ndị ọzọ nwekwara bisphenol A. Otú ọ dị, Dong Jinshi rụtụrụ aka na nke a apụtaghị na mkpọ niile nwere BPA, ụfọdụ mkpọ bụ plastik ugbu a, ma ọ bụrụhaala na ọ bụghị PC. plastik, ha enweghị BPA.

Okwu Mmalite nke Chemistry
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Bisphenol A, aha sayensị nke 2, 2-di (4-hydroxyphenyl) propane, bụ ihe dị mkpa akụrụngwa kemịkalụ kemịkalụ, phenol na acetone dị mkpa sitere na bisphenol A molecular space filling organism, nke a na-ejikarị na mmepụta nke polycarbonate, epoxy. resin, polysulfone resin, polyphenyl ether resin, polyester resin unsaturated na ihe ndị ọzọ polymer. A pụkwara iji ya mee ihe na mmepụta nke plasticizer, ire ọkụ retardant, antioxidant, okpomọkụ stabilizer, roba antioxidant, pesticide, agba na ndị ọzọ mma kemịkal ngwaahịa.
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Ihe omuma a gosiputara na bisphenol A bu kemịkalụ na-egbu egbu dị ala. Nlele anụmanụ achọpụtala na bisphenol A nwere mmetụta nke iṅomi estrogen, ọ bụrụgodị na dose ahụ dị ntakịrị, ọ nwere ike ime ka anụmanụ na-emepụta ntozu nke nwanyi n'oge, ọnụ ọgụgụ spam na-ebelata, prostate na-eto eto na mmetụta ndị ọzọ. Na mgbakwunye, egosila na bisphenol A nwere ụfọdụ toxicity embrayo na teratogenicity, nke nwere ike ime ka ọrịa cancer ovarian, prostate cancer, leukemia na ọrịa cancer ndị ọzọ dị na anụmanụ dịkwuo ukwuu.

Otu esi ahọrọ ihe ọṅụṅụ mkpọ na-abụghị bisphenol
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Ahịa maka bisphenol A akwụsịbeghị, na ihe egwu nwere ike ịdị na bisphenol A nwere ike ịdị. Yabụ, kedu nkwakọ ngwaahịa kacha dịrị nchebe n'ahịa? Kedu ka esi amata ngwaahịa rọba nwere bisphenol A?
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Mgbe ị na-ahọrọ ihe ọṅụṅụ mkpọ, ọ dị mkpa karịsịa ịgụ nọmba na akara triangular na ala nke karama rọba. N'ihi na ọnụ ọgụgụ ọ bụla na-anọchi anya ihe plastik, ihe dị iche iche, arụmọrụ dị iche iche, ọnọdụ ojiji nchekwa dịkwa iche.
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Dị ka ọkọlọtọ mba si kwuo, "1" na-anọchi anya PET (polyethylene terephthalate), nke a na-ejikarị na karama mmiri ịnweta na karama ihe ọṅụṅụ carbonated. Okpomọkụ na-eguzogide 70 ℃, naanị dabara maka ihe ọ drinksụ drinksụ ụlọ okpomọkụ ma ọ bụ ihe ọṅụṅụ oyi kpọnwụrụ akpọnwụ, mmiri mmiri dị elu dị mfe imebi, iji ogologo oge eme ihe nwere ike hapụ gas na-emerụ ahụ; "3" na-anọchi anya PVC (7810,15.00,0.19%) (polyvinyl chloride), nke a na-apụghị iji na nkwakọ nri; "4" na-anọchi anya LDPE (obere njupụta polyethylene), eji maka ihe nkiri nri, ihe nkiri plastik, wdg, mgbe ọ na-ezute 110 ℃, a ga-enwe ihe na-agbaze ọkụ, yabụ tupu iji oven microwave, jide n'aka na ị wepụ ihe nkiri nri nri. mbụ; "5" na-anọchite anya PP (polypropylene), nke a na-eji na igbe nri nri ehihie na ngwa ndakwa nri ma nwee ike ikpo ọkụ; "6" na-anọchi anya PS (polystyrene), nke a na-eji eme ọkwá nke igbe noodle ngwa ngwa na igbe nri ngwa ngwa, ma a pụghị ikpo ọkụ na oven microwave, ma ọ bụ na-ebunye acid siri ike na alkaline; "7" na-anọchi anya polycarbonate (PC) na ụdị ndị ọzọ, nke pụtara na ọ bụrụ na ọnụ ọgụgụ dị na triangle bụ 7, ọ ga-enwerịrị BPA.

Anyị bụ aaluminum nwere ikemmepụta onye na-ebupụ ihe karịrị afọ 15, ọtụtụ afọ nke aluminum nwere ike ịmepụta ahụmahụ, anyị na-aṅa ntị na nchekwa nri, n'ihi na aluminom nwere ike ikpuchi, ihe niile eji eme ihe mkpuchi n'ime ya kwekọrọ na ụkpụrụ mba, iji hụ na nchekwa, na mgbakwunye, anyị nwekwara ike. mepụtaBPA aluminom nwere ike, nabata ndị ahịa si mba niile ka ha bịa nyocha