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Bisphenol A (BPA): Say Manunan Managpaalagey na Materyales ya Atagey so Gawa to

Say Bisphenol A (BPA), ya inngaran na 2,2 - bis(4 - hydroxyphenyl)propane, et walay pormula ton C15H16O2 tan say belat na molekula to et 228.29. Ompatnag itan a singa amputin granular odino mankirlap a solido, a mabetbet a walaan na ag-amta ya espisyal ya angob na chlorophenol. Say BPA et ag natunaw ed danum balet ta natunaw ya maong ed saray organikon solvent a singa say carbon tetrachloride, alcohol, ethers, tan acetone. Lapud atagey ya aktibidad na saray hydrogen atoms ed ortho tan para ya posisyon na hydroxyl groups to, say BPA et mainomay ya ondalan ed nantutumbokan ya kemikal ya reaksion a singa say halogenation, nitration, sulfonation, tan oxidation, ya mangiletneg na malet a pundasyon parad malaknab ya aplikasyon to ed industriya.

    Aralem ya Panangusisa ed Saray Manunan Physicochemical Properties

    Nikadkaduman Istruktura na Molekula: Say BPA molecule et tugyopen na duaran phenolic hydroxyl groups ya akakonekta ed propane skeleton. Sayan istruktura so mangiiter ed satan na espisyal ya kemikal ya aktibidad. Say duaran phenolic hydroxyl groups so mangiiter na mabiskeg ya nucleophilicity ed BPA, kanian makareact ed nanduruman compound. Diad saman met a panaon, say propane skeleton so mangiiter ed molekula na pigaran grado na inka-rigid tan steric hindrance, ya mangiimpluensya ed selectivity tan activity na BPA ed nanduruman chemical reactions.

    Pisikal iran Kablian: Say BPA et walay melting point ya 158 - 159°C, say boiling point ya anggad 400.8°C, tan say density to et manga 1.195g/cm3. Say atagey a punto na panagtunaw tan panagbukal to so mamaseguro ed inkapekder to ed silong na normal a temperatura tan presyon, bangta say matukoy a densidad to so walaan na betang ed saray senaryo na aplikasyon a mankaukolan na espisipikon densidad na materyales, a singa say panagparaan na pigaran plastik tan resin, a ditan et say densidad na BPA so nayarin mangapekta ed pisikal iran kablian tan panagproseso na saray pinal a produkto. Saya so medyo natunaw ed carbon tetrachloride, ngalngali ag natunaw ed danum, balet natunaw ed nanduruman organikon solvent, tan sayan katangian na solubility so mandetermina ed aktibidad na reaksion tan paraan na pangiyaplika to ed nanduruman sistema na solvent.

    Pormas na Inspeksyon na Kalidad parad Bisphenol A

    Analyte Yunit Espesipikasyon Resulta Paraan na Panubok
    Itsura / Amputin granular odino mankirlap, Anggapoy mekanikal ya dutak Amputin bukel, Anggapoy mekanikal ya dutak GB/T 28113-2011
    Bisphenol A Loob/% ≥99.85 99.925 GB/T 28113-2011
    Phenol Loob/% ≤0.005 0.001 GB/T 28113-2011
    2,4-Isomer Loob/% ≤0.050 0.01 GB/T 28113-2011
    Crystalline Point °C ≥156.6 157.2 GB/T 28113-2011
    Melten Chroma Kolor, Pt-Co (Hazen Unit) ≤20 10 GB/T 28113-2011
    Solusyon Chroma Kolor, Pt-Co (Hazen Unit) / 5 GB/T 28113-2011
    Ambasa Loob/% ≤0.08 0.02 GB/T 6283-2008

    Saray Manunan Aplikasyon ed Dakel a Lawak

    Panaggawa na Plastik tan Resin:
    Produksyon na Polycarbonate (PC): Say BPA so manunan materyales parad panaggawa na polycarbonate (PC). Say polycarbonate et nikadkaduma ed dakel a lawak lapud ekselentin optical transparency (liwawa ya masulok ya 90%), atagey ya impact resistance (250 - 300 beses nen say ordinaryon salming), maong ya dimensional stability, tan heat resistance (heat distortion temperature ya anggad 130 - 140°C). Diad industriya na elektroniko tan elektrikal, say PC et malaknab ya uusaren ed panaggawa na saray casing na computer, mobile phone, tan arum niran elektronikon produkto, ya aglabat mangiiter na napanmatalkan a proteksion ed saray internal precision components noagta mamaaligwas met ed kompetisyon na saray produkto ed tindaan lapud marakep ya itsura tan maong ya texture da. Diad industriya na luluganan, say PC et uusaren ed panggawa na saray sakbong na headlight na luluganan, instrument panel, tan arum niran kabiangan. Say atagey ya light transmittance na saray headlight cover so mamaseguro na liwawa ed panagmaneho ed labi, bangta say dimensional stability na instrument panels so mangigarantiya na eksakton panag-assemble tan andukey a panaon ya pangusar ed saray components. Diad lawak na konstruksion, saray PC-made sunlight panels, lighting canopies, tan arum niran produkto so malaknab ya uusaren ed saray pampublikon bilding a singa saray angkakabaleg a shopping mall tan istadyum lapud ekselentin resistensya tan light transmittance da, a mamapawala na maliwawa tan ligtas iran pasen ed loob na abung.

    Epoxy Resin Synthesis: Say BPA et sakey met ya manunan monomer parad panagparaan na epoxy resin. Saray epoxy resin et walaan na ekselentin panagpeket tan malet ya makapangipeket ed nanduruman materyales a singa say metal, kiew, tan salming, kanian walaan ira na importantin posisyon ed lawak na panagpeket. Diad industriya na aerospace, saray epoxy - based adhesives so uusaren parad panag-bond na saray kabiangan na eroplano pian naseguro so integridad tan kaligenan na istruktura na eroplano diad komplikadon kondisyon na panagbiahe. Diad saman met a panaon, saray epoxy resin et walaan na maong ya resistensya ed kemikal ya ag-onkupas tan maka-insulation tan mabetbet ya uusaren ed saray materyales tan panag-coat na electronic packaging. Singa bilang, saray circuit board ed saray elektronikon kagawaan et mabetbet ya aka-encapsulate na epoxy resins pian naprotektaan iray elektronikon kabiangan manlapud erosion na kaliberliber tan napaaligwas so inkapekder tan bilay na saray elektronikon kagawaan. Diad aspekto na panag-coating, saray epoxy resin coating et uusaren parad proteksion ed tapew na metal, ya epektibon makaresisti ed pakaderal na saray kemikal a substansia a singa saray asido tan alkali tan mamabayag na serbisyo na saray produkton metal.

    Arum nin Maong ya Kemikal ya Aplikasyon:
    Panggawa na Flame Retardant: Saray flame retardant a singa say tetrabromobisphenol A et nayarin gawaen manlapud BPA. Say pangiyarum na flame retardants et baleg so kabaliksan to ed saray industriya a singa saray plastik tan tela. Diad saray plastik ya produkto, saray flame retardant et epektibon mamawas ed inka-pool na saray materyales. No nipaarap ed sakey a lapuan na apoy, say abulok ya ag-onpopoolan a gas odino say naporman carbonaceous layer ya pinawala na saray flame retardant et nayarin mangamper ed iyalis na oxygen tan petang tan mangamper ed ikayat na pool. Singa bilang, say pangiyarum na saray flame retardant ed saray plastik ya kasing na saray produkton elektroniko tan de-koriente et makabawas a maong ed peligro na pool tan naprotektaan so bilay tan kaykayarian na totoo. Diad saray tela, say pangiyaplika na saray flame retardant et mamawala na posibilidad ya ag napoolan so kawes no walay napoolan tan nabawasan so pakasakitan na kawes no napoolan.

    Antioxidants tan Heat Stabilizers: Say BPA et nayarin usaren bilang antioxidant tan heat stabilizer ed pigaran produkton plastik tan goma. Legan na panagproseso na plastik, saray bengatla a singa say atagey a temperatura tan oksihena so mainomay a pansengegan na itatatken tan inkaderal na plastik, ya mangaapekta ed performance na produkto tan say bilay na serbisyo. Bilang antioxidant, say BPA et makaala na saray free radicals ed plastic system, makaamper ed chain transfer na oxidation reactions, tan makaatrasado ed proseso na itatatken na plastik. Diad saman met a panaon, bilang heat stabilizer, say BPA et makapaaligwas na inkapekder na plastik ed atagey a temperatura tan naprebentaan so plastik ya nabulok, nauman so kolor to, tan arum niran problema legan ya iproseso o uusaren. Diad saray produkton goma, say BPA et nayarin walaan met na mipadparan betang, ya mamaaligwas ed petang tan oxygen ya resistensya na goma tan mamaparukey na serbisyo na saray produkton goma a singa saray goma na luluganan tan saray selyo na goma.

    Saray Kontrobersiya ed Kaligenan tan Saray Ebat na Industriya

    Pansukimat ed Saray Peligro ed Salud: Say BPA et walaan na pigaran grado na abeban toxicity tan nayarin onalis tan manguman ed kaliberliber tan laman na too. Dakel ya impanaral so mangipapanengneng ya say BPA et walaan na singa estrogen ya epekto tan nayarin makaamper ed endocrine system na too. Lalo la ed saray ugugaw, nayarin naapektoan so itatakken na sistema na panag-anak da, ya pansengegan na saray sakit ya misiglaotan ed sistema na panag-anak. Diad saman met a panaon, say BPA et nayarin pansengegan met na insulin resistance, ya pansengegan na saray problema ed bunigas a singa say atagey ya blood sugar tan sobran katat. Impanengneng na pigaran eksperimento ed ayep ya saray ayep ya ineksperimento ya abayag lan naeksperiensya na BPA et walaan na abnormal ya itatakken na organo na panag-anak tan pananguman ed ugali. Anggaman mantutultuloy ni so panagsukimat ed epekto na BPA ed bunigas na too, dakel a bansa so nanggawa na paraan pian limitaan so pangusar na BPA ed espisipikon produkto lapud kapagaan ed peligro ed bunigas.

    Saray Inisyatiba ed Industriya tan Panagpaalagey na Panumbok: Lapud saray kontrobersiya nipaakar ed kaligenan na BPA, dakel a bansa tan rehyon ed interon mundo so nantutumbokan ya angigapo na saray totontonen pian nasebel so aplikasyon to. Nen 2011, say Ministry of Health na China tan arum niran anemiran departamento so angipalapag na pananebel ed pangusar na BPA diad panaggawa, panag-import, tan panaglako na saray bote na gatas na ugugaw. Saray bansa tan rehyon a singa say United States, Canada, tan say European Union et nantutumbokan met ya angisebel ed pangusar na BPA ed panagbalot na naakan, produkto na ugugaw, tan arum niran lawak. Lapud sarayan kakaukolanen ed regulasyon, say industriya et aktibon manaanap na alternatibo ed BPA, a singa say bisphenol S (BPS) tan diphenyl sulfone. Diad saman met a panaon, saray negosyo ed produksyon et tuloytuloy dan i-optimize iray proseso na produksyon tan papabiskegen so kalidad na panangontrol pian nabawasan so karakel na BPA tan nasumpal so lalon istrikton estandarte na regulasyon tan saray kakaukolanen na saray manbabakal parad kaligenan na produkto diad pangiseguro na performance na produkto. Diad proseso na produksyon na polycarbonate tan epoxy resins, saray negosyo et mamaaligwas ed conversion rate na BPA tan mamapaabeba ed nakekeraan ya ag-onkiwas ya BPA ed saray produkto diad panamegley na pamaaligwas ed kondisyon na reaksion tan pamaaligwas ed saray sistema na katalista.

    Saray detalye

    Ngaran na Produkto Bisphenol A
    Pormula na Kemikal C11H1₆O₂
    Belat na Molekula 228.29 g/mol
    Itsura Amputin kristal ya pulbos
    Punto na Pantunaw 155-158°C
    Punto na Pabukal 250-252°C
    CAS NO 80-05-7
    HS Code 29072990
    EINECS NO 201-240-4
    Aplikasyon Manggawa na plasticizer, flame retardant, tan tambal; uusaren ed saray coating/adhesive.

    Quality Control Sheet

    Ngaran na Produkto Bisphenol A
    BENGATLA STANDARD VALUE(%) TEST VALUE(%)
    Bisphenol A Purity wt. Min 99.85 99.93
    Kolor APHA Max 5 5
    Phenol mg/kg Max 100 56
    Libren phenol wt. % Max 1000 230
    Danum wt. % Max 0.1 0.03
    Abo mg/kg Max 5 0
    Iron mg/kg Max 0.1 0.03

    Akin et Pilien so BPA Tayo?

    Komitido kamin mangiter na de-kalidad tan malet ya performance na saray produkton BPA. Kada koneksyon manlapud panagsaliw na raw material anggad produksyon tan panagproseso et manutumbok ed istrikton sistema na panangontrol na kalidad pian naseguro ya saray produkto et walaan na atagey a kalinisan, daiset iran dutak, tan amin ya indikasyon et makaabot ed atagey iran estandarte na industriya. Walay propesyonal ya R & D team mi ya makapangiter na solusyon unong ed nanduruman pankaukolan na kustomer pian natulongan iray kustomer ya makadampot na inobasyon tan iyaaligwas ed saray lawak a singa say plastik, resin, tan maong iran kemikal. Diad saman met a panaon, walaan kami na epektibon abilidad ed panangasikaso na suplay pian naseguro so dugan panaon tan malet ya suplay na produkto pian nasumpal so pankaukolan na saray kustomer ed baleg a produksyon. Diad industriya na saray kontrobersiya nipaakar ed kaligenan na BPA, aktibo kamin mangiiter na imano ed saray regulatory dynamics, tuloytuloy kamin manpupuonan ed saray R & D resources, tan ipapaseseg mi so green tan safe ya upgrade na saray proseso na produksyon pian naitdan iray kustomer na saray compliant tan napanmatalkan iran produkto.

    Pilien so BPA mi, mankakasakey pian manggawa na tuloytuloy iran pananguman ed lawak na saray materyales ya atagey so kalidad to, arapen iray angat, tan manggawa na babaleg a balor.