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Kev Tshawb Fawb Txog Kev Siv Tshuab N-Nitroamine: Ib Txoj Kev Tshiab Uas Muaj Kev Ua Haujlwm Zoo Hloov Pauv Kev Tsim Tshuaj
Ib qho kev ua tiav tshiab hauv kev siv tshuab deamination tshiab, tsim los ntawm lub tuam txhab khoom siv tshiab hauv Heilongjiang, Suav teb, tau raug tshaj tawm hauv phau ntawv xov xwm kev kawm thoob ntiaj teb Nature thaum ntxov Kaum Ib Hlis 2025. Tau txais kev qhuas tias yog kev nce qib hauv ntiaj teb hauv kev lag luam tshuaj ...Nyeem ntxiv -
Kev Lag Luam Sai Sai ntawm Bio-based BDO Rov Kho Dua 100-Billion-Yuan Polyurethane Raw Material Market
Tsis ntev los no, kev tshawb pom tshiab thiab kev nthuav dav ntawm cov khoom siv bio-based 1,4-butanediol (BDO) tau dhau los ua ib qho ntawm cov qauv tseem ceeb tshaj plaws hauv kev lag luam tshuaj lom neeg thoob ntiaj teb. BDO yog cov khoom siv tseem ceeb rau kev tsim cov polyurethane (PU) elastomers, Spandex, thiab cov yas biodegradable PBT, nrog nws cov kab lig kev cai ...Nyeem ntxiv -
Kev Siv Tshuab Kho Molecular Hloov Pauv Txoj Kev Ua Haujlwm Ib Xyoos Dhau Los, Kev Siv Tshuab Aromatic Amine Direct Deamination Ua Rau Kev Hloov Pauv ntawm Cov Khoom Siv Industrial Chain
Kev Tshawb Fawb Tseem Ceeb Thaum Lub Kaum Hli 28, cov thev naus laus zis ua haujlwm ncaj qha rau cov amines aromatic tsim los ntawm Zhang Xiaheng pab pawg los ntawm Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences (HIAS, UCAS) tau luam tawm hauv Nature. Cov thev naus laus zis no daws t...Nyeem ntxiv -
Kev Tshawb Fawb Tshiab hauv Kev Hloov Cov Khib Nyhiab Mus Ua Khoom Muaj Nqis! Cov Kws Tshawb Fawb Suav Siv Lub Hnub Ci Hloov Cov Yas Pov Tseg Mus Ua Formamide Muaj Nqis Siab
Cov Ntsiab Lus Tseem Ceeb Ib pab neeg tshawb fawb los ntawm Chinese Academy of Sciences (CAS) tau tshaj tawm lawv cov kev tshawb pom hauv Angewandte Chemie International Edition, tsim cov thev naus laus zis photocatalytic tshiab. Cov thev naus laus zis no siv Pt₁Au/TiO₂ photocatalyst los pab kom muaj kev sib txuas CN ntawm ethylene glycol (obtai...Nyeem ntxiv -
Tuam Tshoj Sib Tham Txog Cov Lag Luam PTA/PET Los Daws Qhov Teeb Meem Muaj Peev Xwm Ntau Dhau
Thaum Lub Kaum Hli 27, Tuam Tshoj Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Kev Siv Tshuab Xov Xwm (MIIT) tau hu cov neeg tsim khoom loj hauv tebchaws ntawm Purified Terephthalic Acid (PTA) thiab PET lub raj mis-qib chips rau kev sib tham tshwj xeeb txog qhov teeb meem ntawm "kev muaj peev xwm ntau dhau hauv kev lag luam thiab kev sib tw txiav caj pas". Cov no...Nyeem ntxiv -
Tebchaws Meskas Tshaj Tawm "Kev Txwv Zaum Kawg" rau Cov Khoom Siv Khoom Siv Uas Muaj Methylene Chloride, Thawb Kev Lag Luam Tshuaj Kom Ua Kom Sai Sai Nrhiav Cov Khoom Hloov
Cov Ntsiab Lus Tseem Ceeb Txoj cai kawg uas tau muab los ntawm US Environmental Protection Agency (EPA) raws li Txoj Cai Tswj Xyuas Cov Khoom Lom Zem (TSCA) tau pib siv. Txoj cai no txwv tsis pub siv methylene chloride hauv cov khoom siv xws li cov tshuaj pleev xim thiab tsim cov kev txwv nruj rau nws cov lag luam ...Nyeem ntxiv -
Glutaraldehyde Technological Frontier: Kev Tshawb Fawb Tshiab hauv Anti-Calcification Technology
Hauv kev cog cov hlab ntsha hauv lub plawv, glutaraldehyde tau siv ntev los kho cov nqaij tsiaj (xws li bovine pericardium) rau kev tsim cov bioprosthetic valves. Txawm li cas los xij, cov pawg aldehyde dawb uas seem los ntawm cov txheej txheem ib txwm muaj tuaj yeem ua rau calcification tom qab cog, ua rau t...Nyeem ntxiv -
Kev Lag Luam Dimethyl Sulfoxide (DMSO): Kev Txheeb Xyuas thiab Kev Txhim Kho Tshiab Tshaj Plaws
Kev Lag Luam Kev Lag Luam Txheej Txheem Cej Luam Dimethyl Sulfoxide (DMSO) yog ib qho tseem ceeb organic solvent siv dav hauv tshuaj, khoom siv hluav taws xob, petrochemicals, thiab lwm yam teb. Hauv qab no yog cov ntsiab lus luv luv ntawm nws qhov xwm txheej kev lag luam: Yam Khoom Tshiab Tshaj Plaws Kev Loj Hlob Thoob Ntiaj Teb Kev Lag Luam Loj thoob ntiaj teb yog kwv yees li $ ...Nyeem ntxiv -
Tebchaws Meskas tau muab cov se hnyav rau Suav MDI, nrog rau cov nqi se ua ntej rau lub tuam txhab lag luam loj hauv Suav teb tau teeb tsa siab txog 376% -511%. Qhov no xav tias yuav cuam tshuam rau kev lag luam xa khoom tawm...
Tebchaws Meskas tau tshaj tawm cov txiaj ntsig pib ntawm nws txoj kev tshawb nrhiav tiv thaiv kev pov tseg rau MDI uas yog los ntawm Tuam Tshoj, nrog rau cov nqi se siab heev ua rau tag nrho kev lag luam tshuaj lom neeg xav tsis thoob. Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam Tebchaws Meskas tau txiav txim siab tias cov neeg tsim khoom thiab cov neeg xa khoom MDI Suav tau muag lawv cov khoom hauv ...Nyeem ntxiv -
N-Methylpyrrolidone (NMP): Cov Cai Tswjfwm Ib Puag Ncig Uas Nruj Dua Txhawb Kev Tshawb Fawb thiab Kev Txhim Kho Lwm Txoj Hauv Kev thiab Kev Siv Tshiab ntawm NMP Nws Tus Kheej hauv Cov Khoom Siv Siab
I. Cov Qauv Tseem Ceeb ntawm Kev Lag Luam: Kev Tswjfwm thiab Kev Hloov Pauv ntawm Kev Lag Luam Tam sim no, qhov sib txawv loj tshaj plaws uas cuam tshuam rau kev lag luam NMP yog los ntawm kev saib xyuas kev tswj hwm thoob ntiaj teb. 1. Cov kev txwv nyob rau hauv EU REACH Regulation NMP tau raug suav nrog hauv Daim Ntawv Teev Npe ntawm Cov Tshuaj Uas Muaj Zog...Nyeem ntxiv
