Bisphenol A/BPA Bisphenol A (BPA) ƒe Adzɔnuwo Ŋuti Nyatakakagbalẽvi
Adzɔnuwo Ŋuti Nyatakaka
Adzɔnuwo Ŋuti Nyatakaka
Adzɔnu ƒe Ŋkɔ: Bisphenol A (Kpuie ko la: BPA)
Atikewo ƒe Mɔnu: C15H12O2
CAS ƒe Xexlẽdzesi: 80-05-7
EINECS ƒe Xexlẽdzesi: 201-245-8
Nusiwo Wowɔ ƒe Ƒomedodo: Oleochemicals; Nu Gbagbewo ƒe Nusiwo Wowɔ
Dzedzeme: Kristal ɣi siwo le abe aŋe ene alo aŋe ɣi nyui (adzɔnuwɔƒewo ƒe dzesi ate ŋu adze abe nu sesẽ siwo le abe aŋe ene)
Dzɔdzɔmeŋusẽ & Dzɔdzɔmeŋusẽŋununya ƒe Nɔnɔmewo
| Nunᴐamesi | Nusiwo wogblɔ tẽ |
|---|---|
| Molekyulãwo ƒe Kpekpeme | 228.29 g/mol |
| Dzoxɔxɔ ƒe Teƒe | 158–159 °C (316–318 °F) ƒe dzoxɔxɔ. |
| Teƒe si Woɖaa Nu le | 220 °C (428 °F) le 4 mmHg (nɔnɔme si me ya mele o) . |
| Toto | 1.195 g/cm3 (25 °C) ƒe kpekpeme |
| Nusiwo me wodea tsii | Melɔ̃na le tsi me o; si me wodea amii le lãmenugbagbeviwo me (le kpɔɖeŋu me, ethanol, acetone, benzene, toluene, kple ethyl acetate) . |
| Flash Point | 227 °C (kplu si wotu) . |
| Liƒolili | Eli ke le dzoxɔxɔ kple nyaƒoɖeamenu si sɔ me; si sea veve ɖe ultraviolet (UV) keklẽ nu (ate ŋu agblẽ alo atrɔ amadede ne wodoe ɖe UV ŋu ɣeyiɣi didi); ƒo asa na kadodo kple oxidizer, acid, kple alkali sesẽwo |
Dɔdamɔnu Veviwo
Bisphenol A nye dometsonu vevi aɖe le polymers siwo wɔa dɔ nyuie kple dɔwɔƒewo ƒe nuzazãwo wɔwɔ me, eye dɔwɔwɔ ƒe akpa vevi siwo gbɔna:
Polycarbonate (PC) ƒe Plastik Wɔwɔ
Abe nu vevitɔ si wotsɔ wɔa PC-plastik ene la, BPA wɔnɛ be woate ŋu awɔ nusiwo megbãna o, siwo te ŋu nɔa te ɖe dzoxɔxɔ nu abe elektrɔnikmɔ̃wo ƒe xɔwo (kɔmpiutadziɖoɖowo, asitelefonwo), ʋuwo ƒe akpa aɖewo (akaɖiwo ƒe nutsyɔnu, ememe akpawo), kple nugoe siwo me nuɖuɖu ate ŋu aƒo ƒu ɖo (siwo ŋu wowɔ ɖoɖo ɖo be woanɔ dedie le nuto akpa gãtɔ me) ene
Epoxy Resin ƒe Nuwɔwɔ
Wozãnɛ tsɔ wɔa epoxy-aŋɔ siwo wotsɔ blaa nu (le kpɔɖeŋu me, gaze ememenuwo, dɔwɔƒewo ƒe nutrenu siwo tsia dzodzodzoetsitsi nu), nusiwo wotsɔna léa nu ɖe nu ŋu (xɔtunu siwo ŋu ŋusẽ le ŋutɔ na yamenutome kple xɔtutu), kple elektrik-nu siwo xea mɔ na yamenutomeyimɔ̃wo (circuit boards, transformer windings).
Dɔwɔƒe Bubuwo Zazã
Nusiwo wotsɔ wɔa polyether polyols (si wozãna le polyurethane foamwo me).
Nusi wotsɔ kpena ɖe plasticizers, dzotsinuwo, kple UV stabilizers me na polymer nuawo
Dodometɔ le atike tɔxɛwo wɔwɔ me (le kpɔɖeŋu me, antioxidants, dyestuffs).
Dzɔdzɔmeŋutete ƒe Dzidzenuwo
Míaƒe Bisphenol A ƒe atikewo wɔ ɖeka kple xexeame katã ƒe dɔwɔƒewo kple dedienɔnɔ ƒe dzidzenuwo, eye dzadzɛnyenye kple ɖiƒoƒo dzi ɖuɖu ƒe dzesi siwo bɔ abe alesi gbɔna ene:
| Index | Dɔwɔƒewo ƒe Dzeside (Typical) . | Reagent Grade (Dzadzɛnyenye Kɔkɔe) . |
|---|---|---|
| Dzadzɛnyenye (HPLC) . | ≥ 99.5% ƒe xexlẽme. | ≥ 99.8% ƒe xexlẽme. |
| Tsidzadza ƒe Agbɔsɔsɔme | ≤ 0.1% . | ≤ 0.05% ƒe xexlẽme. |
| Ash Emenyawo | ≤ 0.01% ƒe xexlẽme. | ≤ 0.005% ƒe xexlẽme. |
| Ga kpekpewo ƒe ɖiƒoƒo (Pb, Cd, Hg) . | ≤ 10 ppm | ≤ 1 ppm |
| Phenol ƒe Nusiwo Susɔ | ≤ 0.2% . | ≤ 0.05% ƒe xexlẽme. |
Nusiwo wowɔ ɖe ɖoɖo nu li na dɔwɔƒewo ƒe nuhiahiã tɔxɛwo (le kpɔɖeŋu me, ɖiƒoƒo ƒe dzesi siwo mebɔ o hena nusiwo woate ŋu aƒo ka na nuɖuɖu wɔwɔ).
Nudzraɖoƒe & Dɔwɔnawo Ŋuti Mɔfiamewo
Be nàkpɔ egbɔ be adzɔnuwo li ke eye woƒe dɔwɔwɔ le dedie la, wɔ ɖe nudzraɖoƒe kple wo ŋudɔwɔwɔ ƒe nudidi siawo dzi:
Nudzraɖoƒe ƒe Nɔnɔmewo
Dzoxɔxɔ: Dzrae ɖo ɖe teƒe si fa miamiamia eye wòƒu le dzoxɔxɔ si nye 15–25 °C; ƒo asa na dzoxɔxɔ si nu sẽ (>30 °C) alo tsikpe (
Kekeli: Zã nugoe siwo me mekɔ o (le kpɔɖeŋu me, ahuhɔ̃e ƒe aŋetu siwo ƒe amadede nye aŋutiɖiɖi, HDPE plastik-kplu siwo ŋu UV takpɔnu le) be nàxe mɔ ɖe nusiwo UV hena vɛ nu
Fafa: Na fafa ƒe agbɔsɔsɔme nanɔ anyi
Nudidi Siwo Ku Ðe Nutrenu Ŋu
Na nugoewo nabla nyuie le wo zazã ɖesiaɖe megbe be tsi nagaxɔ wo o eye woagaƒo ɖi wo o. Ƒo asa na nutrenu ƒe mɔnu siwo wozãna hena ɣeyiɣi aɖe (le kpɔɖeŋu me, aŋekotoku) siwo ate ŋu ana woaƒo ɖi wo nɔewo
Dedienɔnɔ Ŋuti Mɔfiamewo
Do ame ŋutɔ ƒe ametakpɔnu (PPE): Ke ƒe nutsyɔnu, asigɛ siwo me atikewo megena ɖo o, kple dedienɔnɔ ƒe ŋkumeɖobolo ne èle nu zãm (vevietɔ na aŋɔ/nu siwo le abe aŋɔ ene).
Yaƒoƒo: Kpɔ egbɔ be ya nazɔ nyuie le teƒe siwo wodzraa nu ɖo kple esiwo ŋu wodzraa nu ɖo be ke alo yaƒoƒo nagaƒo ƒu o
Nusiwo Wokɔ Ðe Kɔkɔe Dzi Kpɔkpɔ: Klɔ nusiwo kɔ ɖe anyigba ŋu kple nusiwo mewɔa dɔ o (diatomaceous earth, activated carbon); tsɔ gbeɖuɖɔwo ƒu gbe le nutoa me ƒe atike siwo me afɔku le ƒe sewo nu
Sededewo Dzi Wɔwɔ
Xexeame Katã ƒe Mɔxexeɖenu: Ewɔna ɖe EU REACH ƒe Sedede (Annex XVII) ƒe mɔxexeɖedɔléle nu le BPA ŋu le nusiwo wotsɔ ka nuɖuɖu ŋu (le kpɔɖeŋu me, woxe mɔ ɖe vidzĩwo ƒe nuɖuɖu ƒe aŋetuwo me) dzi
United States ƒe FDA: Ewɔ ɖe FDA ƒe mɔfiame siwo ku ɖe BPA zazã le nusiwo wotsɔ blaa nuɖuɖu kple aŋenuwo me dzi (21 CFR 175.300).
China ƒe Dzidzenuwo: Ewɔna ɖe GB 4806.6 (dedienɔnɔ ƒe dzidzenuwo na aŋe siwo wotsɔa nuɖuɖu ƒoa ƒui) dzi
Nubablɛwo & Nudzraɖoƒe ƒe Agbenɔƒe
Tiatia Siwo Le Nubablɛwo Me:
Dɔwɔƒewo ƒe Dzeside: HDPE aŋekotoku siwo ƒe kpekpeme nye kilogram 25 (siwo me wotsɔ polyethylene-kplo siwo le eme) alo fibre-kplu siwo ƒe kpekpeme nye kilogram 500 (siwo wotsɔ aluminum-gbadzɛwo ƒo xlãe).
Reagent Grade: amber glass-tu siwo ƒe kpekpeme nye kilogram 1 (wotre wo nu kple nutrenu siwo ŋu Teflon le).
Agbenɔƒe: Ɣleti 24 tso ŋkeke si dzi wowɔe (ne wodzrae ɖo ɖe nɔnɔme siwo le etame nu, womeʋui o).
Bisphenol A ƒe nyonyome me dzodzro ƒe agbalẽvi
| Analyte ƒe numedzodzro | Nu ɖeka | Nusiwo wogblɔ tẽ | Metsonu | Dodokpɔmɔnu |
| Dzedzeme | / . | White granular alo flaky, Mɔ̃ ƒe ɖiƒoƒo aɖeke manɔmee | White granular, Mɔ̃ɖaŋu ƒe ɖiƒoƒo manɔmee | GB/T 28113-2011 ƒe xexlẽdzesi |
| Bisphenol A, si woyɔna be A | Eme/% | ≥99.85 ye nye esi | 99.925 ƒe xexlẽme | GB/T 28113-2011 ƒe xexlẽdzesi |
| Phenol si woyɔna be Phenol | Eme/% | ≤0.005 ye nye ema | 0.001 ƒe xexlẽme | GB/T 28113-2011 ƒe xexlẽdzesi |
| 2,4-Isomer ƒe ƒuƒoƒo | Eme/% | ≤0.050 ye nye ema | 0.01 ƒe xexlẽme | GB/T 28113-2011 ƒe xexlẽdzesi |
| Krystalline ƒe Teƒe | °C | ≥156.6 ƒe xexlẽme | 157.2 | GB/T 28113-2011 ƒe xexlẽdzesi |
| Chroma si wotsɔ ƒo ƒui | Amadede, Pt-Co (Hazen ƒe Dɔwɔƒe) . | ≤20 ye nye ema | 10. 10. | GB/T 28113-2011 ƒe xexlẽdzesi |
| Egbɔkpɔnu Chroma | Amadede, Pt-Co (Hazen ƒe Dɔwɔƒe) . | / . | 5. 5. | GB/T 28113-2011 ƒe xexlẽdzesi |
| Yametsi | Eme/% | ≤0.08 ye nye ema | 0.02 ƒe xexlẽme | GB/T 6283-2008 ƒe xexlẽdzesi |