Bisphenol A (BPA): Ing Core Builder da reng Matas a Performance Materials
Malalam a Pamagsuri kareng Basic Physicochemical Properties
Kakaiba ing Molecular Structure: Ing BPA molecule metung yang adwang phenolic hydroxyl groups a makasuglung keng propane skeleton. Ing istruktura ayni mamye yang espesyal a chemical activity. Deng adwang phenolic hydroxyl groups babie lang masikan a nucleophilicity keng BPA, inya sa’t makareact ya kareng miyayaliwang compound. At ing pareung panaun, ing propane skeleton mamye yang metung a degree ning rigidity ampo steric hindrance keng molecule, a mimimpluwensya keng selectivity ampo activity ning BPA kareng miyayaliwang chemical reactions.
Pisikal a Katangian: Ing BPA atin yang melting point a 158 - 159°C, metung a boiling point a anggang 400.8°C, ampo ing density a manga 1.195g/cm3. Ing kayang matas a melting ampo boiling points sisiguraduan na ing kayang katatagan keng normal a temperatura ampo pressure, kabang ing kayang masanting a density atin yang papel keng application scenarios na mangailangan specific a density ning materyales, antimo ing pamagsadya kareng mapilan a plastics ampo resins, nung nukarin ing density characteristics ning BPA malyari yang makaapektu kareng physical properties ampo pamagprosesu kareng tauling produktu. Bagya yang matunaw keng carbon tetrachloride, e ya masyadung matunaw keng danum, pero matunaw ya keng miyayaliwang organic solvents, at iting solubility characteristic ing magdesisyun keng kayang reaction activity ampo paralan ning pamangamit kareng miyayaliwang solvent systems.
Quality Inspection Form para keng Bisphenol A
| Analyte | Kaputusan | Detalyadu | Resulta | Paralan ning Pamanyubuk |
| It sira | / | maputing granular o flaky, alang mechanical impurities | maputing granular, alang mechanical impurities | GB/T 28113-2011 |
| Bisphenol A | Kilub/% | ≥99.85 | 99.925 | GB/T 28113-2011 |
| Phenol | Kilub/% | ≤0.005 | 0.001 | GB/T 28113-2011 |
| 2,4-Isomer | Kilub/% | ≤0.050 | 0.01 | GB/T 28113-2011 |
| Crystalline Point | °C | ≥156.6 | 157.2 | GB/T 28113-2011 |
| Melten Chroma | Colour, Pt-Co (Hazen Unit) | ≤20 | 10 | GB/T 28113-2011 |
| Solusyun Chroma | Colour, Pt-Co (Hazen Unit) | / | 5 | GB/T 28113-2011 |
| Kanyamanan | Kilub/% | ≤0.08 | 0.02 | GB/T 6283-2008 |
Key Applications keng Multiple Fields
Plastics ampo Resin Manufacturing:
Polycarbonate (PC) Production: Ing BPA ing core raw material para keng pamaglalang polycarbonate (PC). Ing polycarbonate makabukud ya kareng dakal a larangan pauli ning kayang masanting a optical transparency (light transmittance maygit 90%), matas a impact resistance (250 - 300 times kesa keng ordinaryung salamin), masanting a dimensional stability, ampo heat resistance (heat distortion temperature anggang 130 - 140°C). keng industriya ning electronics ampo electrical, ing PC maralas yang magagamit para gawa kareng casing da reng computer, mobile phone, ampo aliwang electronic products, na e mu mamye proteksyun para kareng internal precision components nune para mas masanting ing market competitiveness da reng produktu pauli ning karelang masanting a itsura ampo masanting a texture. King industriya ning automotive, magagamit ya ing PC ba lang gawang cover headlight ning saken, instrument panel, ampong aliwang sangkap. Ing matas a light transmittance da reng headlight covers sisiguraduan na ing pamagmaneho neng bengi, kabang ing dimensional a katatagan da reng instrument panels sisiguraduan na ing eksaktung pamisanmetung ampo ing long - term use reliability da reng components. keng construction field, PC - made sunlight panels, lighting canopies, ampo reng aliwang produktu maralas lang gagamitan kareng gusali publiku antimo reng mangaragul a shopping mall ampo istadyum pauli ning karelang masanting a impact resistance ampo light transmittance, gagawang malino ampo ligtas a espasyu kilub bale.
Epoxy Resin Synthesis: Ing BPA metung ya namang susi a monomer para keng pamagsadya kareng epoxy resin. Deng epoxy resins atin lang masanting a adhesion ampo makadikit lang matatag kareng miyayaliwang materyales antimo reng metal, dutung, ampo salamin, inya atin lang importanting posisyun keng adhesive field. keng industriya ning aerospace, deng epoxy - based adhesives magagamit la para keng pamag-bond kareng structural components ning eroplanu para siguraduan ing integridad ampo kaligtasan ning istruktura ning eroplanu lalam ning komplikadung kundisyun ning pamaglipad. At ing parehu, deng epoxy resins atin lang masanting a chemical corrosion resistance ampo insulation properties ampo maralas lang gagamitan kareng electronic packaging materials ampo coatings. Alimbawa, deng circuit boards kareng electronic devices maralas makabalut la kareng epoxy resins para protektan la reng electronic components keng external environmental erosion ampo para asundu ing katatagan ampo ing service life da reng electronic devices. keng coating aspect, ing epoxy resin coatings magagamit ya para proteksyunan ing metal surface, na epektibung makalaban keng corrosion da reng chemical substances antimo reng acids ampo alkalis ampo makaba ing service life da reng metal a produktu.
Deng aliwang masanting a kemikal a aplikasyun:
Flame Retardant Synthesis: Deng flame retardants antimo ing tetrabromobisphenol A malyari lang gawan ibat keng BPA. Ing pamagdagdag kareng flame retardants maragul yang kabaldugan kareng industriya antimo reng plastic a produktu ampo reng tela. kareng plastic a produktu, deng flame retardants epektibo lang mabawas ing flammability da reng materyales. Nung mipalabas ya keng api, ing mebulok a e masilab a gas o ing mebuu a carbonaceous layer a gewa da reng flame retardants malyari yang makablock keng pamaglipat ning oxygen ampo pali ampo makapigil keng pangakalat ning combustion. Alimbawa, ing pamagdagdag kareng flame retardants kareng plastic a casings da reng electronic ampo electrical a produktu makabawas yang maragul keng panganib ning api ampo protektan ing bie ampo pibandian da reng tau. kareng tela, ing pamangamit kareng flame retardants malyari yang gawang e masyadung masilab ing imalan nung akit me ing api ampo mabawas ing pangasira ning imalan keng api.
Antioxidants ampo Heat Stabilizers: Ing BPA malyari yang gamitan bilang antioxidant ampo heat stabilizer kareng mapilan a plastic ampo rubber a produktu. Kabang magprosesu la reng plastic, deng sangkan antimo ing matas a temperatura ampo oxygen madali lang magdalang plastic aging ampo degradation, makaapektu keng performance ning produktu ampo ing bie ning serbisyu. Bilang antioxidant, ing BPA malyari yang makayabut kareng free radicals keng plastic system, makapigil keng chain transfer da reng oxidation reactions, ampo makadelay keng prosesu ning pamagbayu da reng plastic. At ing parehu, bilang heat stabilizer, ing BPA malyari yang magpasanting keng katatagan da reng plastic keng matas a temperatura a kapaligiran ampo makaiwas kareng plastic keng pangasira, pamagbayu kule, ampo aliwa pang problema keng pamagprosesu o pamangamit. Kareng produktung goma, ing BPA malyari ya namang mika parehung papil, a magpasanting king pali at oxygen aging resistance ning goma at magpakaba king bie ning serbisyu da reng produktung goma antimo reng gulong ning saken ampo reng selyo ning goma.
Kontrobersiya keng Kaligtasan ampo pakibat ning Industriya
Pamag-explore kareng peligro keng kalusugan: Ing BPA atin yang metung a degree ning mababang toxicity at malyari yang mag migrate at magbayu keng kapaligiran ampo keng katawan ning tau. Dakal a pamagaral ing pepakit na ing BPA atin yang estrogen - kalupa ning epektu at malyari yang maka-interfere keng human endocrine system. lalu na kareng anak, ing karelang reproductive system development malyari yang maapektuhan, a magdalang sakit a maki kaugnayan keng reproductive system. At ing BPA malyari ya namang mag trigger keng insulin resistance, a magdalang problema keng kalusugan antimo ing matas a blood sugar ampo obesity. Deng mapilan a experiment kareng animal pepakit da na deng experimental a animal a mipalabas keng BPA keng makabang panaun atin lang abnormal a reproductive organ development ampo pamagbayu keng panugali. Agyang ing pamanyaliksik king epekto ning BPA king kalusugan ning tau patuloy ya pa, dakal a bangsa ing miglalang paralan bang pigilan ing pamangamit king BPA kareng partikular a produktu pauli ning pamagmalasakit king panganib king kalusugan.
Industry Initiatives and Compliance Development: Uling kareng kontrobersiya king kaligtasan ning BPA, dakal a bangsa at rehiyon king mabilug a yatu ing sunud-sunud a pepalub kareng kaugnayan a regulasyun bang pigilan ing kayang aplikasyun. Inyang 2011, ing Ministry of Health ning China ampo reng aliwang anam a departamentu pepalwal da ing pamagbawal keng pamangamit BPA keng pamaglalang, pamaglub, ampo pamanyali kareng bote ning gatas da reng anak. Deng bangsa ampo rehiyon antimo ing United States, Canada, ampo ing European Union, sunod-sunod da namang pepabawal ing pamangamit BPA keng pamangan, produktung pang-anak, ampo aliwa pang bage. King arapan da reng regulatory requirements a reni, ing industriya aktibung mag explore kareng alternatibung BPA, antimo ing bisphenol S (BPS) ampo ing diphenyl sulfone. Kasabe na niti, deng production enterprises patuloy lang mag-optimize kareng prosesu ning production ampo magpatibe keng quality control para mabawas ing migration amount ning BPA ampo akit da ing mas maigpit a regulatory standards ampo reng requirements da reng mamisali para keng kaligtasan ning produktu keng premise ning pamagsiguradung performance ning produktu. keng prosesu ning pamaglalang polycarbonate ampo epoxy resins, deng negosyu papasanting da ing conversion rate ning BPA ampo babawasan da ing residual unreacted BPA kareng produktu kapamilatan ning pamagpabuti kareng kundisyun ning reaksyun ampo pamag-optimize kareng catalyst systems.
Detalyadu
| lagyu ning produktu | Bisphenol A | |||||||||
| Chemical Formula | C11H1₆O₂ | |||||||||
| Timbang Molecular | 228.29 g/mol | |||||||||
| It sira | Puting kristal a pulbura | |||||||||
| Melting Point | 155–158°C | |||||||||
| Boiling Point | 250–252°C | |||||||||
| CAS NO | 80-05-7 | |||||||||
| HS Code | 29072990 | |||||||||
| EINECS NO | 201-240-4 | |||||||||
| Aplikasyon | Mag synthesize yang plasticizer, flame retardants, pharmaceuticals; magagamit keng coatings/adhesives. | |||||||||
Quality Control Sheet
| lagyu ning produktu | Bisphenol A | ||||||
| GAMIT | STANDARD VALUE(%) | TEST VALUE(%) | |||||
| Bisphenol A Purity wt. | Min 99.85 | 99.93 | |||||
| Kule APHA | Max 5 | 5 | |||||
| Phenol mg/kg | Max 100 | 56 | |||||
| Free phenol wt. % | Max 1000 | 230 | |||||
| Danum wt. % | Max 0.1 | 0.03 | |||||
| abu mg/kg | Max 5 | 0 | |||||
| Iron mg/kg | Max 0.1 | 0.03 | |||||
bakit pilinan ing kekatamung BPA?
Atin kaming pangaku na mamye matas a kalidad ampo matatag a performance a BPA a produktu. Balang link manibat keng pamamili keng raw material angga na keng pamaglalang ampo pamagprosesu tutuki ya keng mahigpit a sistema ning pamagkontrol keng kalidad para makasiguradung ing produktu atin yang matas a kalinisan, ditak a impurities, ampo ding sablang indicator makatupad la kareng matas a pamantayan ning industriya. Atin kaming propesyonal a R & D team na malyaring mamye customized a solusyun agpang kareng miyayaliwang pamangailangan da reng customer para makasaup kareng customer para mika innovation ampo development kareng larangan antimo reng plastics, resins, ampo fine chemicals. At ing parehu, atin kaming efficient a supply chain management capabilities para makasiguradung ing oras ampo matatag a supply da reng produktu para akit da reng customer ing maragul a pamangailangan keng produksyun. Ing background ning industriya ning BPA safety controversies, aktibung mamye pansin kareng regulatory dynamics, patuloy kaming mamuhunan kareng R & D resources, ampo i-promote ing green ampo safe a pamag-upgrade kareng prosesu ning produksyun para midinan lang compliant ampo reliable a produktu deng customer.
Pilinan me ing kekaming BPA, makiabe ka para gawang patuloy a pamagbayu keng larangan ning matas a performance a materyales, arapan la reng hamon, ampo gawang mas maragul a ulaga.