1,1,2,2-Tetrabromoethane CAS 79-27-6

Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm 1,1,2,2-tetrabromoethane cas 79-27-6 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale zoo 1,1,2,2-tetrabromoethane cas 79-27-6 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.

1, 1, 2, 2-Tetrabromoethane, daj kua, nrog cov ntxhiab ntawm camphor thiab chloroform. Nws yog cov tshuaj lom neeg nrog cov mis molecular ntawm C2H2Br4 thiab CAS 79-27-6 Insoluble hauv dej, soluble hauv ethanol, chloroform thiab lwm yam organic solvents. Nws tsis ruaj khov, tuaj yeem decompose nyob rau hauv lub teeb thiab cua sov, thiab nws cov xim tig daj. Thaum qhov kub siab tshaj 190 degree, cov khoom decomposition yog cov tshuaj lom carbonyl bromide vapor heev. React nrog lub hauv paus muaj zog kom tso tawm hydrogen bromide. Nws ruaj khov ntawm chav tsev kub. Thaum rhuab mus rau 239 ~ 242 degree, nws yuav decompose thiab tso tawm bromine, hydrogen bromide, thiab lwm yam. Cov khoom no yog siv raws li ib tug intermediate ntawm quaternary amine tebchaw, tshuaj thiab dyes, thiab kuj rau kev npaj ntawm cov tshuaj fiber ntau cocatalyst, pib ntawm polyester oxidation txheej txheem, nplaim retardant, refrigeration, distinguishing tus neeg sawv cev. lwm.

Tetrabromoethane (cov tshuaj formula C ₂ H ₂ Br ₄, CAS naj npawb 79-27-6) yog ib qho symmetrical organic compound uas muaj plaub bromine atoms. Nws qhov tshwj xeeb lub cev thiab tshuaj lom neeg ua rau nws hloov tsis tau hauv ntau yam xws li tshuaj lom neeg engineering, tshuaj, khoom siv, thiab kev tiv thaiv ib puag ncig.

Kev Siv Khoom Siv Yooj Yim: Cov khoom siv ua haujlwm hauv ntau qhov chaw

 

1. nplaim retardant: ib tug tseem ceeb additive uas txhim khu kev ruaj ntseg khoom
Tetrabromoethane, raws li cov khoom siv hluav taws xob ntxiv, txhim kho cov nplaim hluav taws xob ntawm cov ntaub ntawv los ntawm kev tso tawm bromine dawb radicals los cuam tshuam cov kab mob sib kis. Nws daim ntawv thov kev pab them nqi:

Cov ntaub ntawv hauv tsev: siv rau kev kho cov nplaim hluav taws kub ntawm polyurethane ua npuas ncauj, polystyrene (EPS) thiab lwm yam khoom siv thermal rwb thaiv tsev, ua tau raws li qhov yuav tsum tau ua ntawm kev tiv thaiv hluav taws hauv tsev. Piv txwv li, nyob rau hauv lub rwb thaiv tsev txheej ntawm siab - nce lub tsev sab nrauv phab ntsa, qhov sib ntxiv ntawm tetrabromoethane tuaj yeem ua rau cov khoom ua tau raws li B1 qib nplaim hluav taws retardant tus qauv.

 

Hlau thiab cable: Raws li cov nplaim taws- cov khoom tiv thaiv ntawm polyvinyl chloride (PVC) cable sheath, nws tiv thaiv kev sib kis ntawm hluav taws xob hluav taws xob. Kev sim cov ntaub ntawv qhia tau hais tias ntxiv 5% tetrabromoethane rau PVC cables nce lawv cov pa ntsuas ntawm 22% mus rau 35%, thiab cov ntsug combustion xeem dhau UL94 V-0 qib.

Textile: Siv rau cov nplaim hluav taws kub nyhiab ntawm cov hluavtaws fibers xws li polyester thiab nylon, endowing fabrics nrog nws tus kheej extinguishing zog. Piv txwv li, ntaub ntaub kho mob nrog tetrabromoethane tuaj yeem tua tus kheej li 5 vib nas this thaum raug hluav taws kub.

 

2. Cov tub yees thiab cov hluav taws tua hluav taws: cov kev daws teeb meem rau cov xwm txheej tshwj xeeb
Nyob rau hauv lub tshav pob ntawm tub yees, tetrabromoethane ib zaug tau siv los ua ib qho nruab nrab mus rau qhov kub thiab txias hauv cov khoom siv tub yees, tab sis nws cov teeb meem toxicity ib puag ncig tau maj mam hloov los ntawm fluorine hloov.
Fire extinguishing system: Due to its high density and low vapor pressure characteristics, tetrabromoethane has been developed as a substitute for Halon fire extinguishing agents for protecting precision instruments, libraries, and other places. Nws qhov kev tua hluav taws tua hluav taws yog peb npaug ntawm cov pa roj carbon dioxide thiab tsis muaj qhov seem.

 

3. Yas foaming tus neeg saib xyuas: yog ib qho tseem ceeb ntawm cov khoom siv hnyav
Hauv cov txheej txheem foaming ntawm cov yas xws li polyethylene (PE) thiab polypropylene (PP), tetrabromoethane yog siv los ua cov tshuaj foaming tus neeg sawv cev kom decompose thiab tsim gases xws li nitrogen los tsim ib lub cell qauv, txo cov khoom ntom ntom. Piv txwv li:

Cov khoom ntim: Nws yog siv los tsim lub teeb ua npuas ncauj lub thawv. Qhov ceev tuaj yeem txo mus rau 0.02g / cm³, thiab kev ua haujlwm cushioning tuaj yeem txhim kho los ntawm 40%.
Lub Rooj Tswjhwm Saib: Hauv kev tsim cov EPS ua npuas ncauj board, qhov sib ntxiv ntawm tetrabromoethane txo cov thermal conductivity ntawm lub rooj tsavxwm mus rau 0.032W / (m · K), thaum tswj cov nplaim taws.

 

4. Mineral processing hnyav: ib qho ntxiv rau kev sib cais cov ntxhia
Nyob rau hauv cov txheej txheem flotation ntawm tooj liab, txhuas, zinc thiab lwm yam hlau ore, tetrabromoethane raws li ib tug kho tus neeg sawv cev yuav hloov lub nto hydrophobicity ntawm minerals thiab txhim kho qib ntawm concentrates. Piv txwv li:

Copper ore flotation: Ntxiv 0.5% tetrabromoethane tuaj yeem ua kom cov tooj liab rov qab los ntawm 82% mus rau 88%, thaum txo cov tshuaj reagents los ntawm 30%.
Phosphate ore xaiv: Raws li ib qho inhibitor, nws zoo cais apatite los ntawm silicate gangue, nce P ₂ O ₅ cov ntsiab lus ntawm kev mloog zoo rau ntau dua 32%.

Ob lub luag haujlwm ntawm cov khoom nruab nrab thiab cov catalysts hauv thaj tsam ntawm cov tshuaj zoo

 

1. Pharmaceutical intermediates: raw cov ntaub ntawv tseem ceeb rau tshuaj synthesis
Tetrabromoethane yog lub cev pob txha tsim los ntawm ntau yam tshuaj molecules, thiab nws cov bromine atoms tuaj yeem nkag mus rau hauv cov pab pawg tshwj xeeb los ntawm kev hloov pauv. Cov ntawv thov ib txwm muaj xws li:

Antibacterial synthesis: Raws li ib qho nruab nrab siv rau hauv kev npaj cov tshuaj tua kab mob quinolone, xws li qhov tseem ceeb intermediate 3,4-difluoroaniline ntawm ciprofloxacin, tetrabromoethane qhia txog fluorine atom qhov chaw los ntawm cov tshuaj tiv thaiv bromination.
Kev tshawb nrhiav thiab kev txhim kho ntawm cov tshuaj tiv thaiv kab mob qog nqaij hlav: Hauv kev hloov kho cov qauv ntawm paclitaxel analogs, tetrabromoethane koom nrog cov tshuaj tiv thaiv bromination ntawm cov saw hlau sab, txhim kho lub hom phiaj ntawm cov tshuaj rau cov qog nqaij hlav cancer. Qhov kev sim tau pom tias qhov inhibition ntawm derivatives hloov nrog tetrabromoethane ntawm lub mis mob qog noj ntshav MCF-7 tau nce mus rau 85%.

 

2. Dye intermediates: lub hauv paus pob zeb ntawm kev lag luam xim
Tetrabromoethane feem ntau yog siv los ua bromination reagent hauv dye synthesis, koom nrog kev tsim kho ntawm azo dyes thiab anthraquinone dyes. Piv txwv li:

Disperse dye: siv rau synthesizing Disperse Liab 60, nws cov qauv brominated endows cov dye nrog kub stability, haum rau dyeing polyester fibers, nrog ib tug xim ceev ntawm 4-5 qib.
Acid dye: Hauv kev sib xyaw ntawm Acid Red 88, tetrabromoethane qhia sulfonic acid pawg los ntawm cov tshuaj tiv thaiv bromination los txhim kho cov dej solubility ntawm cov xim, ua rau nws haum rau dyeing ntaub plaub thiab txhob lo lo ntxhuav.

 

3. Tshuaj fiber ntau catalysts: synergists rau cov tshuaj tiv thaiv polymerization
Hauv kev tsim cov khoom siv hluavtaws xws li polyester (PET) thiab nylon (PA), tetrabromoethane ua cov khoom siv hluav taws xob tuaj yeem ua kom cov tshuaj tiv thaiv polymerization thiab ua kom zoo fiber ntau. Piv txwv li:

Polyester oxidation pib: Hauv cov txheej txheem PET condensation, tetrabromoethane ua haujlwm sib koom ua ke nrog antimony raws li catalysts kom luv lub sij hawm cov tshuaj tiv thaiv los ntawm 30% thiab txo qhov nyiaj ntawm - cov khoom tsim tawm.
Nylon polymerization regulator: Los ntawm kev tswj tus nqi ntawm tetrabromoethane ntxiv, qhov hnyav molecular faib ntawm PA6 tuaj yeem hloov kho, ua rau 15% nce hauv fiber ntau zog thiab tswj elongation ntawm tawg ntawm 25% -30%.

Kev nthuav dav mus rau Cov Kev Tsim Kho Tshiab: Cov Kev Siv Tshiab Tsim los ntawm Technology

 

1. Cov khoom siv hluav taws xob tshiab: lub ntsiab lus ntawm cov roj teeb technology
Cov roj teeb lithium ion: Tetrabromoethane, raws li cov khoom siv hluav taws xob ntxiv, tuaj yeem tsim cov yeeb yaj kiab SEI ruaj khov ntawm qhov tsis zoo electrode, inhibiting lithium dendrite kev loj hlob. Cov kev sim tau pom tias ntxiv 1% tetrabromoethane electrolyte tuaj yeem txuas lub roj teeb lub neej mus rau ntau dua 2000 zaug thiab ua kom muaj peev xwm tuav tau ntawm 90%.
Sodium ion roj teeb: Hauv kev hloov kho ntawm cov roj carbon tsis zoo electrode, tetrabromoethane qhia qhov chaw tsis xws luag los ntawm cov tshuaj tiv thaiv bromination, txhim kho kev ua haujlwm ntawm sodium ion ntxig / rho tawm thiab nce lub zog ceev ntawm lub roj teeb rau 150Wh / kg.

 

2. Kev tswj hwm ib puag ncig: Kev daws teeb meem tshiab rau kev tswj cov pa phem
Heavy hlau adsorbent: Cov resin hloov nrog tetrabromoethane muaj peev xwm adsorption txog li 200mg / g rau hnyav hlau ions xws li Pb ² ⁺ thiab Cd ² ⁺, uas yog ntau dua li cov khoom siv adsorbent.
Organic pollutant degradation: Raws li photocatalyst precursor, tetrabromoethane tuaj yeem tsim cov pa oxygen reactive nyob rau hauv ultraviolet lub teeb irradiation, uas tuaj yeem degrade cov pa phem xws li phenol thiab dyes hauv dej nrog tus nqi degradation ntau dua 95%.

 

3. Cov khoom siv hluav taws xob: cov neeg ua haujlwm pabcuam rau kev lag luam semiconductor
Photoresist additive: Tetrabromoethane ua tus neeg sawv cev crosslinking tuaj yeem txhim kho cov cua sov thiab corrosion kuj ntawm photoresist, ua tau raws li cov txheej txheem hauv qab no 14nm.
Conductive polymer: Hauv doping ntawm polyaniline (PANI), tetrabromoethane yog siv los ua ap-hom dopant kom nce cov conductivity mus rau 100S / cm, uas tuaj yeem siv los ua cov khoom siv hluav taws xob hloov tau yooj yim.

Txoj kev nthuav tawm a1, 1, 2, 2-tetrabromoethanetxheej txheem rau kev npaj tetrabromoethane siv lub microchannel reactor. Cov khoom siv raw bromine tau txuas ntxiv mus rau hauv microchannel reactor nyob rau hauv lub zog ntawm lub zog; Acetylene tsis tu ncua nkag mus rau hauv lub microchannel reactor los ntawm cov pa roj ntau ntws tswj; Cov khoom acetylene thiab bromine tuaj yeem sib xyaw ua ke hauv microchannel reactor rau cov tshuaj tiv thaiv; Tswj qhov kub ntawm cov reactants los ntawm kev sib pauv cua sov; Tom qab cov txheej txheem tshuaj tiv thaiv tiav, cov khoom raug sau los ntawm cov pa roj- kua cais; Cov khoom ntim tau ntxiv nrog stabilizer thiab ntim rau hauv cov khoom tom qab dhau qhov kev soj ntsuam. Cov txheej txheem tsim khoom ntawm kev tsim khoom tuaj yeem paub qhov sib txawv ntawm acetylene thiab bromine hauv microchannel reactor, ua rau acetylene tag nrho kev sib cuag nrog bromine, txhim kho kev tsim khoom thiab tawm los, thiab txhim kho kev siv tus nqi ntawm acetylene raw; Tsis txhob tsim cov khoom tawg ntawm cov acetylene thiab huab cua los txhim kho kev nyab xeeb; Txo cov txheej txheem ntws, txo cov dej khib nyiab, roj pov tseg thiab tshem tawm cov khoom tsim los ntawm - khoom.

Tetrabromoethane yog tau los ntawm bromination los ntawm acetylene. Cov txheej txheem ntau lawm yog raws li nram no:

Raw khoom → synthesis → neutralization → distillation → khoom

Acetylene gas yog tsim los ntawm calcium carbide hauv lub tshuab hluav taws xob acetylene. Tom qab ntxuav thiab ziab, nws nkag mus rau hauv lub reactor thiab reacts nrog bromine kom tau crude tetrabromoethane. Cov khoom nyoos ntawm tetrabromoethane yog raug rau alkali ntxuav thiab dej ntxuav kom tshem tawm cov kua qaub thiab dej - cov khoom soluble, thiab tom qab ntawd cov khoom ntawm tetrabromoethane yog refined los ntawm distillation. Tam sim no, cov tshuaj tiv thaiv ntawm acetylene thiab bromine yog nqa tawm los ntawm kev xa ncaj qha mus rau hauv lub reactor. Tom qab cov tshuaj tiv thaiv tiav lawm, nws yuav tsum tau neutralized los ntawm alkali ntxuav, thiab ces distilled kom tau cov khoom tiav ntawm tetrabromoethane.

Cov txheej txheem muab cov txheej txheem tsim khoom rau kev npaj tetrabromoethane siv lub microchannel reactor, suav nrog cov kauj ruam hauv qab no:

(1) Cov khoom siv raw bromine txuas ntxiv mus rau hauv microchannel reactor uas tau tsav los ntawm lub zog hluav taws xob;

(2) Acetylene tsis tu ncua nkag mus rau hauv microchannel reactor los ntawm cov pa roj ntws tswj tswj;

(3) Cov khoom acetylene thiab bromine tuaj yeem sib xyaw ua ke thiab ua rau muaj kev cuam tshuam hauv microchannel reactor; Tswj qhov kub ntawm cov reactants los ntawm kev sib pauv cua sov;

(4) Tom qab cov txheej txheem tshuaj tiv thaiv tiav, cov khoom raug sau los ntawm cov pa roj - kua cais; Cov khoom ntim tau ntxiv nrog stabilizer tom qab dhau qhov kev soj ntsuam, thiab tom qab ntawd ntim rau hauv cov khoom.

Lub invention siv lub microchannel reactor los npaj1, 1, 2, 2-tetrabromoethane. Cov khoom siv tseem ceeb suav nrog:

(1) Raw khoom thiab fais fab system: (a) bromine raw khoom tank, (b) acetylene raw khoom tank;

(2) Thaum tshav kub kub exchanger system;

(3) Cov tshuaj tiv thaiv thiab kev sib pauv cua sov;

(4) Cov khoom tiav thiab ntim tshuab. Lub bromine raw khoom tank yog iav -lined tank; Acetylene raw khoom tank yog acetylene lub tog raj kheej; Lub microchannel reactor yog ua los ntawm iav, thiab cov khoom tiav tank yog iav -lined tank. Ntawm lawv, microchannel reactor nyob rau hauv cov tshuaj tiv thaiv thiab kev sib pauv cua sov yog tsib microchannel iav reactors siv nyob rau hauv series.

Cim npe nrov: 1,1,2,2-tetrabromoethane cas 79-27-6, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom