Takardar Bayanin Samfurin Bisphenol A/BPA
Bayanin Samfuri
Bayanin Samfura
Sunan Samfuri: Bisphenol A (Taƙaitaccen Bayani: BPA)
Tsarin Sinadarai: C₁₅H₁₆O₂
Lambar CAS: 80-05-7
Lambar EINECS: 201-245-8
Nau'in Samfura: Oleochemicals; Haɗaɗɗun Sinadaran Halitta
Bayyanar: Farin lu'ulu'u masu kama da allura ko farin foda mai kyau (matakin masana'antu na iya bayyana a matsayin daskararru masu yawa)
Kayayyakin Jiki da Sinadarai
| Kadara | Ƙayyadewa |
|---|---|
| Nauyin kwayoyin halitta | 228.29 g/mol |
| Wurin narkewa | 158–159 °C (316–318 °F) |
| Tafasasshen Wurin | 220 °C (428 °F) a 4 mmHg (yanayin injin) |
| Yawan yawa | 1.195 g/cm³ (25 °C) |
| Narkewa | Ba ya narkewa a cikin ruwa; yana narkewa a cikin sinadarai masu narkewa na halitta (misali, ethanol, acetone, benzene, toluene, da ethyl acetate) |
| Wurin Haske | 227 °C (rufe kofi) |
| Kwanciyar hankali | Yana da kwanciyar hankali a ƙarƙashin yanayin zafi da matsin lamba na yau da kullun; yana da sauƙin kamuwa da hasken ultraviolet (UV) (yana iya lalacewa ko ya canza launi idan aka fallasa shi zuwa UV na dogon lokaci); a guji hulɗa da masu ƙarfi na oxidizing, acid, da alkalis |
Manyan Aikace-aikace
Bisphenol A muhimmin matsakaici ne wajen samar da polymers masu aiki da kayan masana'antu, tare da waɗannan muhimman fannoni na aikace-aikace:
Samar da Roba na Polycarbonate (PC)
A matsayin babban kayan da ake amfani da su wajen yin filastik na PC, BPA yana ba da damar kera kayayyakin da ke jure wa fashewa, masu jure zafi kamar gidajen na'urorin lantarki (kwamfutocin tafi-da-gidanka, wayoyin komai da ruwanka), kayan aikin mota (murfin fitilar gaba, bangarorin ciki), da kwantena masu hulɗa da abinci (wanda aka tsara don aminci a yawancin yankuna).
Haɗakar Resin Epoxy
Ana amfani da shi wajen samar da resin epoxy don shafa (misali, rufin ciki na gwangwani, murfin hana tsatsa na masana'antu), manne (manne mai ƙarfi don sararin samaniya da gini), da kayan rufin lantarki (allunan da'ira, windings na transformer).
Sauran Amfanin Masana'antu
Kayan da aka yi amfani da su wajen yin polyether polyols (ana amfani da su a cikin kumfa na polyurethane).
Ƙari a cikin na'urorin filastik, masu hana harshen wuta, da masu daidaita UV don kayan polymer.
Matsakaici wajen haɗa sinadarai na musamman (misali, antioxidants, dyes).
Ma'aunin Inganci
Kayayyakinmu na Bisphenol A sun bi ƙa'idodin masana'antu da aminci na duniya, tare da alamun tsabta da ƙazanta na yau da kullun kamar haka:
| Fihirisa | Matsayin Masana'antu (Na yau da kullun) | Matsayin Reagent (Babban Tsabta) |
|---|---|---|
| Tsarki (HPLC) | ≥ 99.5% | ≥ 99.8% |
| Abubuwan Danshi | ≤ 0.1% | ≤ 0.05% |
| Abubuwan da ke cikin Toka | ≤ 0.01% | ≤ 0.005% |
| Najasa Mai Kauri Na Karfe (Pb, Cd, Hg) | ≤ 10 ppm | ≤ 1 ppm |
| Ragowar Phenol | ≤ 0.2% | ≤ 0.05% |
Ana samun takamaiman bayanai na musamman don takamaiman buƙatun masana'antu (misali, ƙarancin ƙazanta don samar da kayan da abinci ya shafa).
Jagororin Ajiya da Sarrafawa
Domin tabbatar da daidaiton samfur da amincin aiki, bi waɗannan buƙatun ajiya da sarrafawa:
Yanayin Ajiya
Zafin Jiki: A adana a wuri mai sanyi da bushewa a zafin 15-25 °C; a guji zafi mai tsanani (>30 °C) ko daskarewa (
Haske: Yi amfani da kwantena marasa haske (misali, kwalaben gilashi masu launin ruwan kasa, gangunan filastik na HDPE masu kariya daga UV) don hana lalacewa da UV ke haifarwa.
Danshi: A kiyaye danshi ƙasa da kashi 60%; a saka kayan bushewa (silica gel, anhydrous calcium chloride) a cikin kwantena don guje wa yin caking.
Bukatun Hatimi
A rufe kwantena sosai bayan kowane amfani domin hana sha danshi da gurɓatawa. A guji amfani da hanyoyin rufewa na ɗan lokaci (misali, naɗewar filastik) wanda zai iya haifar da gurɓatawa.
Gargaɗin Tsaro
Sanya kayan kariya na sirri (PPE): Abin rufe fuska na ƙura, safar hannu masu jure sinadarai, da gilashin kariya lokacin amfani da su (musamman ga nau'ikan foda/granular).
Iska: Tabbatar da iska mai kyau a wuraren ajiya da kuma wuraren sarrafawa don guje wa taruwar ƙura ko tururi.
Gudanar da Zubewa: Tsaftace zubewar da abubuwan da ke shaye-shaye marasa aiki (ƙasa mai kama da ƙasa, carbon mai aiki); zubar da shara bisa ga ƙa'idodin sinadarai masu haɗari na gida.
Bin ƙa'idojin doka
Takaddun Shaida na Duniya: Yana bin ƙa'idodin EU REACH Regulation (Annex XVII) akan BPA a cikin kayan da abinci ya shafa (misali, an hana a cikin kwalaben ciyar da jarirai).
Hukumar FDA ta Amurka: Ta cika ka'idojin FDA don amfani da BPA a cikin rufin abinci da robobi (21 CFR 175.300).
Ma'aunin China: Ya yi daidai da GB 4806.6 (ƙa'idodin aminci ga resins ɗin filastik da abinci ya shafa).
Marufi & Rayuwar Shiryayye
Zaɓuɓɓukan Marufi:
Matsayin Masana'antu: Jakunkunan filastik HDPE na kilogiram 25 (tare da layukan polyethylene na ciki) ko gangunan zare na kilogiram 500 (an yi musu layi da foil na aluminum).
Nauyin Reagent: kwalaben gilashin amber 1 kg (an rufe su da murfi masu layi da Teflon).
Rayuwar Shiryayye: Watanni 24 daga ranar samarwa (idan aka adana shi bisa ga sharuɗɗan da ke sama, ba a buɗe shi ba).
Fom ɗin Duba Inganci don Bisphenol A
| Mai Nazari | Naúrar | Ƙayyadewa | Sakamako | Hanyar Gwaji |
| Bayyanar | / | Farin granular ko mai laushi, Ba tare da ƙazanta na injiniya ba | Fararen granular, Ba tare da ƙazanta na injiniya ba | GB/T 28113-2011 |
| Bisphenol A | A/% | ≥99.85 | 99.925 | GB/T 28113-2011 |
| Fenol | A/% | ≤0.005 | 0.001 | GB/T 28113-2011 |
| 2,4-Isomer | A/% | ≤0.050 | 0.01 | GB/T 28113-2011 |
| Wurin Tauraro | °C | ≥156.6 | 157.2 | GB/T 28113-2011 |
| Chroma Mai Narkewa | Launi, Pt-Co (Hazen Unit) | ≤20 | 10 | GB/T 28113-2011 |
| Maganin Chroma | Launi, Pt-Co (Hazen Unit) | / | 5 | GB/T 28113-2011 |
| Danshi | A/% | ≤0.08 | 0.02 | GB/T 6283-2008 |