Acrylonitrile

Cov neeg ua haujlwm pabcuam hauv online 24 teev hauv ib hnub, teb sai sai thiab saib xyuas txhua tus neeg yuav khoom xav tau. Peb yuav sim peb qhov zoo tshaj plaws kom tau raws li qhov xav tau ntawm cov neeg yuav khoom feem ntau, thiab tsis muaj qhov txiav txim yam tsawg kawg nkaus.

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Khoom Taw qhia

Vim li cas thiaj xaiv KAITAI

Kev paub nplua nuj:Txij li thaum tsim xyoo 2004, peb tau tsom mus rau cov khoom lag luam acrylate rau ze li 20 xyoo thiab tam sim no muaj ntau tshaj 1, 000 cov neeg ua haujlwm, suav nrog ntau tshaj 100 R&D cov neeg ua haujlwm.

Quality Assurance:Peb yog ib lub tuam txhab loj tshaj plaws acrylic acid thiab acrylic ester manufacturers hauv Suav teb. Lub tuam txhab tau dhau ISO9000 thoob ntiaj teb daim ntawv pov thawj zoo thiab ISO 14000 ib puag ncig kev tswj hwm ntawv pov thawj.

Kev Pabcuam Kev Ua Haujlwm:Cov neeg ua haujlwm pabcuam hauv online 24 teev hauv ib hnub, teb sai sai thiab saib xyuas txhua tus neeg yuav khoom xav tau. Peb yuav sim peb qhov zoo tshaj plaws kom tau raws li qhov xav tau ntawm cov neeg yuav khoom feem ntau, thiab tsis muaj qhov txiav txim yam tsawg kawg nkaus.

Kev xa khoom sai:Peb cov acrylic acid esters raug muag thoob plaws ntiaj teb. Lub sij hawm xa tuaj ib txwm tom qab tso qhov kev txiav txim yog 10-15 hnub. Peb tuaj yeem xa cov khoom rau cov neeg siv khoom sai thiab nyab xeeb, thiab tau txais kev qhuas los ntawm cov neeg siv khoom.

Acrylonitrile yog dab tsi

Acrylonitrile yog cov organic compound nrog cov mis CH2CHCN thiab cov qauv H2C=CH-C≡N. Nws yog cov kua tsis muaj xim, tsis muaj kuab lom. Nws muaj ib tug pungent tsw ntawm qej los yog dos. Nws cov qauv molecular muaj ib pawg vinyl (−CH=CH2) txuas rau nitrile (−C≡N). Nws yog ib qho tseem ceeb monomer rau kev tsim cov khoom siv yas xws li polyacrylonitrile. Nws yog reactive thiab tshuaj lom ntawm cov tshuaj tsawg. Acrylonitrile yog ib qho ntawm cov khoom ntawm ABS yas (Acrylonitrile butadiene styrene).

Yam khoom

Butyl Acrylate

Butyl Acrylate yog ib qho organic ester uas tsis muaj xim, flammable, thiab muaj qhov txawv txiv hmab txiv ntoo tsw. Nws yog cov tshuaj siv dav hauv ntau yam lag luam, suav nrog txheej txheej, nplaum, textiles, thiab kev tsim kho.

Acrylic Acid

Acrylic Acid yog lub npe hu rau nws cov tshuaj zoo heev xws li nws cov acidity, uas ua rau nws yog ib qho zoo tagnrho hauv kev tsim khoom ntawm ntau yam tshuaj xws li resin, coatings thiab adhesives.

Glacial Acrylic Acid

GAA yog ib qho tseem ceeb hauv kev tsim khoom ntawm ntau yam khoom siv thoob plaws ntau yam lag luam xws li nplaum, txheej, inks, textiles, thiab resins. Nws yog siv los ua cov khoom siv raw hauv kev tsim ntau cov polymers.

Methyl Acrylate

Peb cov Methyl Acrylate muaj qhov hnyav molecular ntawm {{0}}.09 g / mol thiab qhov kub ntawm 80.8 degree (177.4 degree F). Nws muaj qhov taw tes ntawm -12 degree (10.4 degree F) thiab qhov ceev ntawm 0.96 g / cm³. Peb cov khoom yog qhov zoo tshaj plaws.

Dawb Roj Khoom Noj Qib

Cov Khoom Noj Roj Dawb yog dawb los ntawm cov khoom tsis zoo xws li cov hlau hnyav, cov tshuaj tsw qab, thiab cov polycyclic hydrocarbons uas yuav ua rau muaj kev phom sij rau kev noj qab haus huv.

Acrylonitrile

Peb tsuas yog siv cov ntaub ntawv zoo tshaj plaws thiab cov txheej txheem tsim khoom los xyuas kom meej tias peb cov acrylonitrile ua tau raws li cov qauv nruj tshaj plaws.

Dawb Roj Muaj Qib

Cov Roj Dawb Muaj Qib yog cov roj ntxhia ua kom zoo uas tsis muaj xim, tsis muaj ntxhiab, tsis qab, thiab ua kom huv heev. Nws yog dav siv hauv kev lag luam xws li kws tshuaj, tshuaj pleev ib ce, thiab cov khoom tu tus kheej, kev ua zaub mov, thiab ntau lwm yam.

Cov tshuaj acetonitrile

Acetonitrile yog siv los ua ib theem mobile hauv high-performance kua chromatography (HPLC), uas yog ib tug haib cuab tam rau kev soj ntsuam ntawm complex molecules tam sim no nyob rau hauv cov tshuaj formulations.

Lub cev khoom ntawm Acrylonitrile

Formula	C3H3N
Molar Mass	53,06 g / mol
Qhov ntom	0.806 g/mL
Boiling Point	77 degree
Melting Point	-84 degree
Lub cev lub xeev	Ua kua
Cia	Khaws ntawm chav tsev kub

Cov khoom siv tshuaj ntawm Acrylonitrile

Solubility

Me ntsis soluble hauv dej, yooj yim soluble nyob rau hauv organic solvents xws li acetone, benzene, carbon tetrachloride, ether, ethanol thiab dimethylformamide. Nws kuj yog yooj yim soluble nyob rau hauv inorganic ntsev dej tov xws li sodium thiocyanate thiab zinc chloride.

Cov yam ntxwv txaus ntshai

Nws chav tuaj yeem dhau los ua qhov sib xyaw tawg thaum sib xyaw nrog huab cua. Qhov txwv tsis pub tawg yog 3.1-17% (ntim), thiab qhov siab tshaj plaws tso cai rau huab cua yog 20ppm. Nws yog flammable thiab tawg. Muaj kev pheej hmoo ntawm tawg thiab combustion thaum raug hluav taws kub, kub thiab oxidants.

Toxicity

Nws yog ib qho tshuaj lom heev. Acrylonitrile vapor tuaj yeem cuam tshuam tib neeg lub cev los ntawm kev ua pa, ua rau mob hnyav.

Crystal Structure ntawm Acrylonitrile

Lub molecule yog yuav luag planar thiab cov dav hlau molecular yog stacked nyob rau hauv tsis tu ncua nrug raws ib tug axis. Cov molecule siv cov qauv tsis sib xws txij li N atom thiab qhov nruab nrab ntawm C=C ob daim ntawv cog lus nyob rau ntawm lub dav hlau crystallographic. Qhov no ua rau C=C daim ntawv cog lus yuav tsum tau ua raws li nyob rau hauv parallel los yog perpendicular kev npaj rau cov neeg nyob sib ze raws li stacking. Yog hais tias cov khoom ntawm lub xeev polymerization tshwm sim los ntawm hluav taws xob yog nqa tawm, cov qauv isotactic tej zaum yuav tau txais rau lub parallel stacking thiab cov qauv syndiotactic yuav tau txais rau lub perpendicular stacking. Txij li cov qauv siv lead ua tsis zoo, cov qauv lossis cov qauv nrog ob lub qauv sib xyaw (atactic qauv) yuav tsum tau tsim nyob rau hauv cov khoom hauv lub xeev polymerization.

Kev siv cov Acrylonitrile

Acrylonitrile yog siv rau hauv kev tsim cov acrylic thiab modacrylic fibers siv rau hauv cov khaub ncaws thiab textiles, xws li fleece jumpers, sportswear, ntaub pua plag thiab upholstery.

Acrylic fibers kuj tseem siv los ua tus thawj coj hauv kev tsim cov carbon fiber. Nws yog siv los tsim cov yas thiab cov resins xws li acrylonitrile-butadiene-styrene (ABS), styrene-acrylonitrile (SAN) thiab nitrile roj hmab rau roj hoses thiab O-ring seals.

Acrylonitrile kuj tseem siv los ua cov tshuaj nruab nrab hauv kev tsim khoom ntawm lwm cov tshuaj, xws li acrylamide thiab adiponitrile.

Ammoxidation txheej txheem ntawm Acrylonitrile

Acrylonitrile yog tsim los ntawm kev sib txuas ntawm propylene, ammonia, thiab cua hauv cov txheej txheem hu ua ammoxidation. Thaum lub sij hawm ammoxidation, propylene, ammonia thiab cua yog pub los ntawm cov catalyst ntawm qhov kub thiab txias. Lub nkoj uas muaj cov tshuaj tiv thaiv yog hu ua kua txaj reactor, qhov twg cov hmoov catalyst txav cov kua dej zoo li thoob plaws hauv lub reactor. Qhov no muab thaj tsam loj catalyst rau qhov siab tshaj plaws ntawm cov reactants.

Cov khoom muaj txiaj ntsig zoo, lossis cov khoom sib koom ua ke, los ntawm cov tshuaj tiv thaiv ammoxidation muaj xws li Acetonitrile (CH3CN), uas yog siv los ua cov khoom lag luam thiab kuaj cov kuab tshuaj hauv kev tsim cov tshuaj insulin thiab tshuaj tua kab mob, thiab ua cov khoom siv raw hauv kev tsim tshuaj tua kab. . Lwm coproduct, hydrogen cyanide (HCN), yog siv nyob rau hauv lub chaw tsim khoom ntawm polyamides, methyl methacrylate, amino acids, chelating agents thiab lwm yam kev lag luam chemicals.

Cov Qauv thiab Cov Txheej Txheem ntawm Acrylonitrile

01/

OSHA PEL(kev tso cai raug txwv)=2 ppm (daim tawv nqaij) (nruab nrab tshaj li 8- teev ua haujlwm).

02/

OSHA STEL(short-term exposure limit)=10 ppm (tshaj li 15-feeb sij hawm).

03/

NIOSH IDLH(tam sim no txaus ntshai rau lub neej lossis kev noj qab haus huv)=85 ppm.

04/

AIHA ERPG-2(qhov siab tshaj plaws hauv huab cua hauv qab no uas nws ntseeg tau tias yuav luag txhua tus neeg tuaj yeem raug mob ntev txog 1 teev yam tsis muaj kev cuam tshuam lossis txhim kho tsis tuaj yeem lossis lwm yam teebmeem kev noj qab haus huv lossis cov tsos mob uas tuaj yeem ua rau lawv lub peev xwm los tiv thaiv)=35 ppm.

Kev noj qab haus huv los ntawm Acrylonitrile

Acrylonitrile ua rau tawv nqaij, qhov muag, thiab ua pa.
Cov tshuaj lom muaj xws li mob taub hau, qaug zog, dyspnea, xeev siab thiab ntuav mus rau asphyxiation, lactic acidosis thiab mob plawv.
Cov teebmeem tshuaj lom yog vim feem ntau yog bioreactivity ntawm acrylonitrile nrog cellular proteins thiab rau nws epoxide intermediate uas yog mutagenic thiab genotoxic.
Toxicity kuj yog vim tso tawm ntawm cyanide thaum lub sij hawm metabolism ntawm acrylonitrile.

Cov lus qhia txog kev khaws cia thiab kev thauj mus los

Khaws rau hauv qhov chaw txias, qhov cua thiab qhuav kom deb ntawm qhov hluav taws kub thiab qhov cua sov. Qhov kub cia yuav tsum qis dua 30 degree.
Tsis txhob khaws lossis thauj ua ke nrog oxidants, acids, alkalis, thiab amines.
Cov khoom yuav tsum raug kuaj xyuas cov ntsiab lus ntawm polymerization inhibitor txhua lub sijhawm kom ntsuas kev nyab xeeb tuaj yeem ua.
Thaum thauj, tuav nws nrog kev saib xyuas kom tsis txhob muaj kev puas tsuaj rau lub thawv.
Thaum muaj qhov xau, ua ntej txiav txhua qhov hluav taws kub, hnav lub npog ntsej muag roj thiab cov hnab looj tes roj hmab, yaug nrog dej, thiab tso cov dej phwj tuaj rau hauv cov dej khib nyiab.
Thaum muaj hluav taws kub, siv cov hmoov qhuav, kuab tshuaj ua npuas ncauj, thiab carbon dioxide tua hluav taws. Khaws cov khoom siv hluav taws kub kom txias nrog dej.

Lub tuam txhab Honour

Shandong Kaitai yog ib qho loj tshaj plaws acrylic acid thiab acrylic ester manufacturers hauv Suav teb. Nws tau txais lub teb chaws "Peb Qhov Systems" ntawv pov thawj thiab yog Shandong Provincial Acrylate Engineering Technology Research Center.

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Peb lub Hoobkas

Shadong Kaitai tam sim no muaj ntau dua 1,000 cov neeg ua haujlwm, suav nrog ntau dua 100 tus neeg ua haujlwm R&D thiab 200 tus neeg ua haujlwm nrog cov haujlwm nruab nrab thiab laus.

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Cov lus nug nquag

Q: Acrylonitrile siv rau dab tsi?

A: Acrylonitrile yog siv hauv ntau lub lag luam. Nws yog siv los ua tej yam yas, roj hmab, thiab tshuaj, thiab yav dhau los, ua tshuaj tua kab. Qee qhov piv txwv ntawm cov neeg ua haujlwm uas muaj kev pheej hmoo raug cuam tshuam rau acrylonitrile suav nrog cov hauv qab no: Cov neeg ua haujlwm koom nrog kev tsim cov acrylic fibers thiab yas.

Q: Vim li cas acrylonitrile puas tsim kev puas tsuaj?

A: Ua pa Acrylonitrile tuaj yeem ua rau lub ntsws ua rau hnoos thiab / lossis ua pa luv. Kev raug mob ntau dua tuaj yeem ua rau muaj cov kua dej hauv lub ntsws (pulmonary edema), kev kho mob xwm txheej ceev, nrog rau ua tsis taus pa hnyav.

Q: Acrylonitrile nyob qhov twg?

A: Acrylonitrile nyob rau hauv ib puag ncig tuaj yeem pom hauv huab cua, av, thiab dej nyob ze ntawm qhov chaw tsim khoom. Acrylonitrile evaporates yooj yim. Hauv huab cua, acrylonitrile tawg sai sai (li ib nrab yuav ploj hauv 1 - 12 teev) los ntawm kev cuam tshuam nrog lwm yam tshuaj thiab hnub ci. Acrylonitrile yaj nyob rau hauv dej uas nws tawg los ntawm cov kab mob los yog yuav evaporate rau saum huab cua. Hauv av, qee qhov ntawm nws yuav tawg los ntawm cov kab mob, tab sis feem ntau ntawm nws yuav evaporate rau huab cua lossis lim dej hauv av.

Q: Puas yog acrylonitrile muaj zog?

A: Acrylonitrile yog ib qho kev phom sij loj heev thiab yuav ua rau tuag taus yog tias nqus tau. Cov tsos mob tshwm sim yog mob taub hau, xeev siab, kiv taub hau, ntuav thiab hnov qab. Kev raug mob ntev tuaj yeem ua rau muaj kev tshee tshee, ua rau tawv nqaij tawv nqaij, convulsions thiab ua rau tuag taus. Acrylonitrile yog tshuaj lom heev thiab ua rau mob hnyav heev.

Q: Acrylonitrile yog dab tsi?

A: Acrylonitrile yog tsim los ntawm kev sib txuas ntawm propylene, ammonia, thiab cua hauv cov txheej txheem hu ua ammoxidation. Thaum lub sij hawm ammoxidation, propylene, ammonia thiab cua yog pub los ntawm cov catalyst ntawm qhov kub thiab txias. Lub nkoj uas muaj cov tshuaj tiv thaiv yog hu ua kua txaj reactor, qhov twg cov hmoov catalyst txav cov kua dej zoo li thoob plaws hauv lub reactor.

Q: Yuav ua li cas peb tau txais acrylonitrile?

A: Acrylonitrile yog tsim los ntawm catalytic ammoxidation ntawm propylene, tseem hu ua SOHIO txheej txheem. Xyoo 2002, lub ntiaj teb muaj peev xwm tsim tau kwv yees li ntawm 5 lab tonnes hauv ib xyoos, nce mus txog 6 lab tonnes los ntawm 2017. Acetonitrile thiab hydrogen cyanide yog cov khoom lag luam tseem ceeb uas tau rov qab los muag.

Q: Dab tsi yog qhov tsis zoo ntawm acrylonitrile?

A: Txhawm rau tiv thaiv cov txiaj ntsig no, qee qhov ABS yas tsis zoo muaj nyob. Nws qhov qis melting point ua rau nws tsis tsim nyog rau kev siv kub thiab kev kho mob cog. Nws muaj cov kuab tshuaj tsis zoo thiab qaug zog heev thiab tsis sawv ntsug zoo rau UV raug thiab huab cua tshwj tsis yog tias nws muaj kev tiv thaiv zoo.

Q: Puas yog acrylonitrile ntuj?

A: Acrylonitrile yog xim tsis muaj xim, kua, txiv neej ua tshuaj nrog lub ntse, dos-los yog qej-zoo li tsw. Nws tuaj yeem yaj hauv dej thiab evaporates sai. Acrylonitrile yog siv los ua lwm yam tshuaj xws li yas, hluavtaws roj hmab, thiab acrylic fibers.

Q: Lwm lub npe rau acrylonitrile yog dab tsi?

A: Synonyms rau acrylonitrile yog AN, acrylonitrile monomer, cyanoethylene, propenenitrile, vinyl cyanide, thiab VCN. Lewis qauv qhia hauv qab no. Hauv qhov chaw muab, kos duab 3D hybrid orbital bonding duab ntawm acrylonitrile.

Q: Puas yog acrylonitrile muaj kev nyab xeeb?

A: Acrylonitrile yog ib qho tshuaj lom neeg muaj zog heev uas tau nqus tau zoo los ntawm kev nqus pa, los ntawm lub plab, thiab los ntawm daim tawv nqaij. Nws kuj yog khaus rau ntawm daim tawv nqaij thiab qhov muag ntawm kev sib cuag ncaj qha. Qhov zoo-siab, lub tshuab ua pa ntawm tus kheej (SCBA) tau pom zoo nyob rau hauv cov xwm txheej teb uas cuam tshuam rau cov qib tsis zoo ntawm acrylonitrile vapor.

Q: Lub sij hawm ntev ntawm acrylonitrile yog dab tsi?

A: Kev ua haujlwm ntev ntev rau acrylonitrile los ntawm kev nqus pa tau pom tias ua rau muaj kev cuam tshuam kev noj qab haus huv ntawm lub hauv nruab nrab lub paj hlwb xws li mob taub hau, insomnia, mob hauv siab, tsis muaj zog, tsis muaj peev xwm ua haujlwm, qaug zog, qaug zog, thiab muaj kev chim siab.

Q: Puas yog acrylonitrile yaj hauv dej?

A: Acrylonitrile yog soluble hauv dej thiab feem ntau cov organic solvents xws li acetone, benzene, carbon tetrachloride, ethyl acetate, thiab toluene. Acrylonitrile yog cov tshuaj reactive uas polymerises spontaneously thaum rhuab, los yog nyob rau hauv lub xub ntiag ntawm ib tug muaj zog alkali, thiab tuaj yeem tawg thaum raug nplaim taws.

Q: Cov khoom twg muaj acrylonitrile?

A: Nws yog siv los ua cov khoom siv raw hauv kev tsim cov acrylic thiab modacrylic fibers, yas (xws li acrylonitrile-butadiene-styrene (ABS), acrylonitrile acrylate (ASA), thiab styrene-acrylonitrile (SAN)), nitrile rubbers, nitrile barrier resins, adiponitrile, acrylamide, thiab acrylic acid.

Q: Puas yog acrylonitrile ntuj lossis hluavtaws?

A: Synthetic. ABS yog tsim los ntawm peb lub monomers: acrylonitrile, butadiene, thiab styrene: Acrylonitrile: Nws yog ib qho hluavtaws monomer. Nws yog tsim los ntawm propylene thiab ammonia.

Q: Dab tsi yog qhov cuam tshuam ntawm acrylonitrile?

A: Cov teebmeem tshwm sim: Cov neeg ua haujlwm raug nqus los ntawm kev nqus pa rau cov qib siab ntawm acrylonitrile tsawg dua ib teev tau ntsib cov mucous membrane irritation, mob taub hau, xeev siab, kev xav ntawm kev ntshai thiab kev ntxhov siab; Cov qib qis qis, leukocytosis, mob raum, thiab mob daj daj me me kuj tau pom hauv cov neeg ua haujlwm.

Q: Puas yog acrylonitrile organic lossis inorganic?

A: Acrylonitrile yog cov organic compound nrog cov mis CH2CHCN. Nws yog cov kua tsis muaj xim tsis muaj xim txawm tias cov qauv coj mus muag tuaj yeem daj vim yog impurities. Nws muaj ib tug pungent tsw ntawm qej los yog dos. Nyob rau hauv cov nqe lus ntawm nws cov qauv molecular, nws muaj ib pawg vinyl txuas nrog nitrile.

Q: Koj ua li cas ntxuav acrylonitrile?

A: Ib txoj hauv kev rau purifying acrylonitrile uas ua rau cov peev nyiaj thiab kev siv nyiaj txuag tau muaj cov tshuaj acrylonitrile thiab impurities nyob rau hauv ib qho distillation kem nyob rau hauv lub nqus tsev vacuum, thiab tshem tawm cov purified acrylonitrile raws li ib tug vaporous sidestream ntawm kem.

Q: Dab tsi yog cov ntsiab lus nthuav dav txog acrylonitrile?

A: Acrylonitrile yog cov tshuaj sib xyaw nrog cov mis CH2CHCN. Qhov no pungent-smeling, tsis muaj kob kua feem ntau tshwm daj vim impurities. Nws yog ib qho tseem ceeb monomer rau kev tsim cov yas muaj txiaj ntsig. Nyob rau hauv cov nqe lus ntawm nws cov qauv molecular, nws muaj ib pawg vinyl txuas nrog nitrile.

Q: Puas yog acrylonitrile biodegradable?

A: Lub biodegradation ntawm acetonitrile thiab acrylonitrile pom ob-kauj ruam txoj kev, nrog rau tiam ntawm acetamide ua raws li acetic acid thiab ammonia rau acetonitrile los yog acrylamide tom qab acrylic acid thiab ammonia rau acrylonitrile.

Q: Dab tsi fiber ntau yog tsim los ntawm acrylonitrile?

A: Acrylic fiber ntau. Acrylic fiber yog synthesized los ntawm polymerisation ntawm acrylonitrile (vinyl cyanide) thiab muaj cov tshuaj npe polyacrylonitrile (PAN) nrog cov qauv empirical qhov twg 'n' yog qib ntawm polymerization.

Q: Dab tsi yog qhov txwv rau acrylonitrile?

A: Tso cai raug txwv (PEL)=2 ppm. Muaj peev xwm rau dermal absorption. Cov txheej txheem dav dav rau kev ua haujlwm raug rau acrylonitrile tau tsim. Tus nqi txwv tus nqi – lub sij hawm hnyav nruab nrab (TLV-TWA)=2 ppm.

Cim npe nrov: Tuam Tshoj acrylonitrile lwm tus neeg, manufacturers

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Cov tshuaj acetonitrile

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Cov tshuaj acetonitrile

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