Ha ho fihla lehlabula, mefuta eohle ea lino tse tahang nakong ea thekiso, bareki ba bangata ba botsa: ke botlolo efe ea seno e batlang e sireletsehile? Na makotikoti kaofela a na le BPA?
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Mongoli-kakaretso oa Mokhatlo oa Machaba oa Liphutheloana tsa Lijo, setsebi sa tšireletso ea tikoloho Dong Jinshi o ile a bolella baqolotsi ba litaba hore polasetiki ea polycarbonate e nang le bisphenol A e hloekile, ha e bonolo ho senya le litšobotsi tse ling. Baetsi ba e sebelisa ho etsa lisebelisoa tse fapaneng, tse kang lijana tsa polasetiki, libotlolo tsa metsi tsa polasetiki, libotlolo tsa bana, makotikoti a li-snack, joalo-joalo. Li-resin tsa epoxy tse nang le bisphenol A li sebelisoa haholo-holo ka hare ho lijana tsa lijo le lino tse kang makotikoti a lijo le makotikoti. Lebaka leo ka lona lebokose la liphutheloana tsa makotikoti a tšepe le makotikoti a aluminium a nang le bisphenol A ke hore bisphenol A e na le phello e ntle ea ho thibela ho bola 'me e ka thibela ka katleho oksijene le likokoana-hloko ho kena ka har'a lekotikoti.
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Dong Jinshi o hopotsa, hajoale e na le bisphenol A eseng feela aluminium e ka etsang cola, e nang le lekotikoti la tšepe,aluminium can sephutheloanatse robeli tsa poruel ea letlotlo, litholoana tse entsoeng ka makotikoting joalo-joalo li boetse li na le bisphenol A. Leha ho le joalo, Dong Jinshi o ile a boela a bontša hore sena ha se bolele hore makotikoti kaofela a na le BPA, makotikoti a mang a entsoe ka polasetiki, hafeela a sa etsoa ka PC. polasetiki, ha li na BPA.
Selelekela ho Chemistry
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Bisphenol A, lebitso la saense la 2, 2-di (4-hydroxyphenyl) propane, ke ntho ea bohlokoa ea lik'hemik'hale tse tala, phenol le acetone tse tsoang ho bisphenol Sebōpuoa se tlatsang sebaka sa molek'hule, se sebelisoang haholo tlhahisong ea polycarbonate, epoxy. resin, polysulfone resin, polyphenyl ether resin, unsaturated polyester resin le lisebelisoa tse ling tsa polymer. E ka boela ea sebelisoa tlhahisong ea plasticizer, flame retardant, antioxidant, heat stabilizer, rabara antioxidant, chefo e bolaeang likokoanyana, pente le lihlahisoa tse ling tse ntle tsa lik'hemik'hale.
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Lintlha li bonts'a hore bisphenol A ke k'hemik'hale e chefo e tlase. Liteko tsa liphoofolo li fumane hore bisphenol A e na le phello ea ho etsisa estrogen, le haeba tekanyo e le tlase haholo, e ka etsa hore phoofolo e hlahise khōlo ea pele ea basali, ho fokotseha ha palo ea peō, ho hōla ha prostate le liphello tse ling. Ho phaella moo, ho bontšitsoe hore bisphenol A e na le chefo e itseng ea embryonic le teratogenicity, e ka eketsang haholo ketsahalo ea kankere ea mahe a bomme, kankere ea senya, kankere ea mali le mefuta e meng ea kankere liphoofolong.
Mokhoa oa ho khetha lino tse se nang bisphenol A
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'Maraka oa bisphenol A ha o so nyamele,' me likotsi tse ka bang teng tsa bisphenol A li ka ba teng. Kahoo, ke sephutheloana sefe se batlang se sireletsehile ka ho fetisisa 'marakeng? U ka tseba joang lihlahisoa tsa polasetiki tse nang le bisphenol A?
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Ha u khetha seno se entsoeng ka makotikoting, ke habohlokoa ka ho khetheha ho bala linomoro ka letšoao la khutlo-tharo ka tlaase ho botlolo ea polasetiki. Hobane palo e 'ngoe le e' ngoe e emela thepa ea polasetiki, lisebelisoa tse fapaneng, ts'ebetso e fapaneng, maemo a ts'ebeliso e sireletsehileng le tsona li fapane.
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Ho latela maemo a naha, “1″ e emetse PET(polyethylene terephthalate), eo hangata e sebelisoang libotlolong tsa metsi a liminerale le libotlolong tsa seno sa carbonate. 70 ℃ e thibelang mocheso, e loketse feela lino tse tahang tsa mocheso oa kamore kapa lino tse hatselitsoeng, mokelikeli o phahameng oa mocheso o bonolo ho deformation, tšebeliso ea nako e telele e pheta-phetoang e ka lokolla likhase tse kotsi; “3″ e emela PVC(7810,15.00,0.19%)(polyvinyl chloride), e ke keng ea sebelisoa ho paka lijo; "4" e emela LDPE (polyethylene e tlase ea density), e sebelisetsoang filimi ea lijo, filimi ea polasetiki, joalo-joalo, ha e kopana le 110 ℃, ho tla ba le ketsahalo e chesang ea ho qhibiliha, kahoo pele u sebelisa onto ea microwave, etsa bonnete ba hore u tlosa filimi ea lijo. pele; “5″ e emetse PP(polypropylene), e sebelisoang ka har’a mabokose a lijo tsa motšeare a microwave ’me e ka futhumatsoa; "6" e emetse PS(polystyrene), e sebelisetsoang ho etsa likotlolo tsa mabokose a li-noodle hang-hang le mabokose a lijo tse potlakileng, empa e ke ke ea besoa ka ontong ea microwave, leha e le hore e ka sebelisoa ho kenya lintho tse matla tsa asiti le alkaline; "7" e emetse polycarbonate (PC) le mefuta e meng, ho bolelang hore haeba palo e ho kgutlotharo e le 7, e tlameha ho ba le BPA.
Re baaluminium cantlhahiso kantle ho naha ka lilemo tse fetang 15, lilemo tse ngata tsa aluminium ka phihlelo tlhahiso, re ela hloko polokeho ea lijo, bakeng sa aluminium ka barbotage, tšebeliso eohle ea thepa barbotage ka hare tumellanong le litekanyetso tsa naha, ho etsa bonnete ba polokeho, ho phaella moo, re boetse re. lihlahisoaAluminium ea mahala ea BPA e ka khona, amohela bareki ba tsoang linaheng tsohle ho tla buisana
Nako ea poso: Aug-01-2024