Bisphenol A (BPA): Thil tangkai tak tak siamtu bulpui ber
Physicochemical Properties bulpui hrang hrangte in - depth Analysis
Molecular Structure danglam tak: 1.1. BPA molecule hi phenolic hydroxyl group pahnih propane skeleton nena inzawm a ni. Hetiang structure hian chemical activity bik a pe a ni. Phenolic hydroxyl group pahnih hian BPA hi nucleophilicity chak tak a pe a, chu chuan compound hrang hrang nen a inrem thei a ni. Chutih rual chuan propane skeleton hian molecule chu rigidity leh steric hindrance engemaw zat a pe a, chemical reaction hrang hranga BPA selectivity leh activity a nghawng a ni.
Taksa lam thil neih: 1.1. BPA hian melting point 158 - 159°C a nei a, boiling point chu 400.8°C thleng a ni a, density chu 1.195g/cm3 vel a ni. A melting leh boiling point sang tak hian temperature leh pressure pangngai hnuaiah a stability a tichiang a, chutih laiin a density tling tak chuan application scenario-ah hian material density bik mamawhnaah hmun a chang a, chu chu plastic leh resins thenkhat siamnaah te, BPA density characteristics hian a tawp ber thil siamte physical property leh molding processing a nghawng thei a ni. Carbon tetrachloride-ah a inthiar tlem a, tuiah a inthiar harsa hle a, mahse organic solvent pangngai chi hrang hrangah a inthiar thei a, he solubility characteristic hian a reaction activity leh solvent system hrang hranga a hman dan tur a hril a ni.
Bisphenol A awm leh awm loh Quality Inspection Form
| Analyte a ni | Hlawm khat | A sawifiahna | Nghawngchhuah | Test dan tur |
| Landan | / . | White granular emaw flaky emaw, Mechanical bawlhhlawh awm lo | White granular, Mechanical bawlhhlawh awm lo | GB/T 28113-2011 thleng a ni |
| Bisphenol A ni a | Chhung/% | ≥99.85 a ni | 99.925 a ni | GB/T 28113-2011 thleng a ni |
| Phenol a ni | Chhung/% | ≤0.005 a ni | 0.001 a ni | GB/T 28113-2011 thleng a ni |
| 2,4-Isomer hmanga siam a ni | Chhung/% | ≤0.050 a ni | 0.01 a ni | GB/T 28113-2011 thleng a ni |
| Crystalline Point a ni | °C a ni | ≥156.6 a ni | 157.2 a ni | GB/T 28113-2011 thleng a ni |
| Chroma a hmin tawh | A rawng, Pt-Co (Hazen Unit) a ni. | ≤20 a ni | 10. A rilru a hah lutuk | GB/T 28113-2011 thleng a ni |
| Solution Chroma a ni | A rawng, Pt-Co (Hazen Unit) a ni. | / . | 5. A rilru a hah lutuk | GB/T 28113-2011 thleng a ni |
| Tuihu | Chhung/% | ≤0.08 a ni | 0.02 a ni | GB/T 6283-2008 thleng a ni |
Field hrang hranga Key Application hman dan
Plastic leh Resin siam dan: 1.1.
Polycarbonate (PC) siam chhuah: BPA hi polycarbonate (PC) siamna atana hmanraw pawimawh ber a ni. Polycarbonate hi field hrang hrangah a langsar hle a, a chhan chu optical transparency tha tak (light transmittance 90% aia tam), impact resistance sang tak (glas pangngai aiin a let 250 - 300), dimensional stability tha tak, leh heat resistance (heat distortion temperature 130 - 140°C thleng) vang a ni. Electronics leh electrical industry-ah chuan PC hi computer, mobile phone leh electronic product dangte casing siamna atan hman a ni nasa hle a, hei hian internal precision components te tan venhimna rintlak a pe mai bakah a hmel mawi tak leh a texture tha tak avang hian market-a inelna a tipung bawk. Automotive industry-ah chuan PC hi car headlight cover, instrument panel leh component dang siam nan an hmang thin. Headlight cover-te light transmittance sang tak hian zan lama lirthei khalh chhuahna a tichiang a, instrument panel-te dimensional stability hian component-te chu a dik taka inzawmkhawmna leh hun rei tak chhunga hman rintlakna a tichiang bawk. Construction field-ah chuan PC - siam ni êng panel, lighting canopies, leh thil dangte chu vantlang in, shopping mall lian leh stadium-ah te hman a ni nasa hle a, a chhan chu impact resistance leh light transmittance ṭha tak a nih avangin indoor space êng leh him tak a siam a ni.
Epoxy Resin Synthesis: BPA hi epoxy resins siamna atana monomer pawimawh tak a ni bawk. Epoxy resins hian adhesion tha tak an nei a, thil chi hrang hrang, metal, thing, leh glass te chu nghet takin a inzawm thei a, chuvangin adhesive field-ah hmun pawimawh tak an luah a ni. Aerospace industry-ah chuan thlawhna structural components te bonding nan epoxy - based adhesives hman a ni a, hei hian thlawhna structure chu a integrity leh himna tur a ni a, hei hi thlawhna dinhmun khirh tak hnuaiah a ni. Chutih rual chuan epoxy resins hian chemical corrosion resistance leh insulation property tha tak a nei a, electronic packaging material leh coating-ah te hman a ni nasa hle. Entirnan, electronic device-a circuit board-te chu electronic component-te pawn lam boruak chhiatna laka venhimna leh electronic device-te stability leh service life tihchangtlun nan epoxy resins hmanga khuh a ni fo thin. Coating aspect-ah chuan epoxy resin coatings hi metal surface venhimna atan hman a ni a, hei hian chemical substance acid leh alkalis te corrosion a do thei a, metal product te service life a ti rei thei bawk.
Fine Chemical hmanna dangte:
Flame Retardant Synthesis: BPA atang hian tetrabromobisphenol A ang chi flame retardant siam theih a ni. Plastic product leh textiles ang chi industry-ah chuan flame retardant dah belh hi a pawimawh hle. Plastic product-ah chuan flame retardant hian thil kang thei chu nasa takin a ti tlem thei a ni. Kangmei chhuahna hmuna a awm chuan, a chhe tawh non - flammable gas emaw, meialh tichhe thei thil atanga siam carbonaceous layer siam emaw chuan oxygen leh lumna transfer a tikhawlo thei a, kangmei darh zel tur a titawp thei bawk. Entirnan, electronic leh electrical products plastic casing-a flame retardant dah tel hian kangmei hlauhawmna nasa takin a tihziaawm thei a, mi nunna leh bungrua a humhim thei bawk. Textile-ah chuan flame retardant hman hian kangmei chhuahna hmun a tawn hunah thawmhnaw a kang tlem thei a, kangmei chhuahna hmuna thawmhnaw hal avanga chhiatna thleng pawh a ti tlem thei bawk.
Antioxidants leh Heat Stabilizers: BPA hi plastic leh rubber product thenkhatah antioxidant leh heat stabilizer atan hman theih a ni. Plastic siamnaah hian temperature sang leh oxygen ang chi thilte hian awlsam takin plastic a upa leh chhe thei a, hei hian product performance leh service life a nghawng a ni. Antioxidant a nih angin BPA hian plastic system chhunga free radicals te chu a man thei a, oxidation reaction chain transfer a veng thei a, plastic te tar chakna a tikhawtlai thei bawk. Chutih rual chuan heat stabilizer a nih angin BPA hian plastic te chu high - temperature environment ah a stability a ti tha thei a, plastic te chu a process emaw hman laiin a chhe thei lo, a rawng a danglam lo a, leh harsatna dang a thlen loh nan a veng thei bawk. Rubber product-ah pawh BPA hian hetiang bawk hian hna a thawk thei a, rubber-a heat leh oxygen aging resistance a ti tha a, rubber product, automobile tire leh rubber seal te service life a ti rei thei bawk.
Safety chungchanga inhnialna leh Industry-te chhanna
Hriselna atana hlauhawm zawng zawng: BPA hian toxicity a nei tlem hle a, boruak leh mihring taksaah pawh a inthlak danglam thei a, a inthlak danglam thei bawk. Zirna tam takah chuan BPA hian estrogen - ang chi nghawng a nei a, mihring endocrine system a tibuai thei tih hmuhchhuah a ni. A bik takin naute tan chuan an reproductive system hmasawnna a nghawng thei a, reproductive system - related diseases a thlen thei a ni. Chutih rual chuan BPA hian insulin resistance a tichhuak thei bawk a, hei hian hriselna lama harsatna a thlen thei a, chu chu thisen sugar sang leh thau lutuk te a ni. Rannung experiment thenkhatah chuan experimental rannung BPA-a rei tak an awm chuan reproductive organ development pangngai lo leh nungchang inthlak danglamna an nei tih hmuhchhuah a ni. BPA hian mihring hriselna a nghawng dan zirchianna chu kalpui mek ni mah se, ram tam tak chuan hriselna atana hlauhawm tur ngaihtuahin BPA hi thil chi hrang hranga hman khap tumin hma an la a ni.
Industry hmalakna leh Compliance tihhmasawn dan: BPA himna chungchanga buaina awmte ngaihtuah hian khawvel ram leh bial tam tak chuan a hman dan khap nan dan kaihhnawih an siam chhuak a ni. Kum 2011 khan China Ministry of Health leh department dang paruk chuan nausen hnute tui bottle siamchhuah, lakluh leh hralhnaah BPA hman khapna dan an siam a. Ram leh bial United States, Canada leh European Union te pawhin ei tur bungrua, nausen thil siam leh thil dang dangah BPA hman hi a hnungzuiin an khap a ni. Heng regulatory requirements te hmachhawn hian industry hian BPA aiah thil dang, bisphenol S (BPS) leh diphenyl sulfone te chu nasa takin a zawng mek a ni. Chutih rual chuan, production enterprise-te chuan BPA migration amount tihtlem nan leh product performance enfiahna kawngah regulatory standard khauh zawk leh consumer-te’n product himna atana consumer-te mamawh phuhruk turin production process an tichangtlung zel a, quality control an tichak zel bawk. Polycarbonate leh epoxy resins siamna kawngah hian enterprise te chuan BPA conversion rate an ti tha a, reaction condition siam that leh catalyst system optimizing hmangin product-a residual unreacted BPA chu an tihtlem bawk.
A chiang zawk
| Product Hming | Bisphenol A ni a | |||||||||
| Chemical Formula hmanga siam a ni | C15H12O2 | |||||||||
| Molecular Weight a ni | 228.29 g/mol a ni | |||||||||
| Landan | Crystalline powder dum a ni | |||||||||
| Melting Point a ni | 155–158°C a ni thei | |||||||||
| Boiling Point a ni | 250–252°C a ni thei | |||||||||
| CAS NO | 80-05-7 ah a ni | |||||||||
| HS Code hmanga siam a ni | 29072990 ah biak theih a ni | |||||||||
| EINECS NO | 201-240-4 ah a awm | |||||||||
| Dilna | Plasticizers, flame retardant, damdawi siamna tur a siam chhuak a; coating/adhesive-a hman thin. | |||||||||
Quality Control Sheet a ni
| Product Hming | Bisphenol A ni a | ||||||
| THIL | STANDARD VALUE (%) a ni. | TEST VALUE (%) a ni. | |||||
| Bisphenol A Thianghlimna wt. | Min 99.85 a ni | 99.93 a ni | |||||
| A rawng APHA | Max 5 a ni | 5. A rilru a hah lutuk | |||||
| Phenol mg/kg khatah a awm | Max 100 a ni | 56 a ni | |||||
| A thlawna phenol wt. % . | Max 1000 a ni | 230 a ni | |||||
| Tui wt. % . | Max 0.1 a ni | 0.03 a ni | |||||
| Ash mg/kg a ni | Max 5 a ni | 0 | |||||
| Iron mg/kg a ni | Max 0.1 a ni | 0.03 a ni | |||||
Engvangin Nge Kan BPA Hi Kan Thlan?
BPA product quality sang leh stable - performance pek kan tum tlat a ni. Raw material lei atanga siamchhuah leh tihfai thlenga link zawng zawng hian quality control system khauh tak a zawm a, chu chuan thil siamte chu thianghlimna sang tak, bawlhhlawh tlemte, leh indicator zawng zawngte hian industry standard sang tak an tlin theih nan a ni. Professional R & D team kan nei a, chu chuan customer mamawh hrang hrang angin customized solutions a pe thei a, chu chuan customer te chu plastic, resins, leh fine chemicals ang chi field-a thil thar leh hmasawnna an neih theih nan a pui thei a ni. Chutih rual chuan, customer-te thil siam chhuah lian tham mamawh phuhruk turin a hun taka leh nghet taka thil siam chhuah theihna turin supply chain management theihna tha tak kan nei bawk. BPA himna chungchanga buaina chhuak industry background-ah hian regulatory dynamics hi nasa takin kan ngaihven a, R & D resources-ah investment kan nei chhunzawm zel a, customer-te hnena thil siam dan zawm leh rintlak tak tak pe turin production process-te green leh safe upgrading kan tipung bawk.
Kan BPA thlang la, high - performance materials lama hmasawnna chhunzawm zel turin kut inzawm khawm la, harsatna hmachhawn la, hlutna nasa zawk siam rawh.