Teb ceev
Cyclhexanone (CAS 108-94-1, C₆H₁₀O) yog siv rau hauv kev lag luam polymer feem ntau yogTshuaj intermediate rau caprolactam thiab adipic acid, ob lub tsev thaiv ntawm Nylon 6 thiab Nylon 6,6. Tshaj li nylon feedstock, cyclohexanone yog dav siv los ua ib qhoindustrial hnyavrau PVC, yas resins, acrylics, epoxies, polyurethanes, thiab phenolic resins nyob rau hauv coatings, inks, adhesives, thiab casting daim ntawv thov - muaj nuj nqis rau nws muaj zog solvency, nruab nrab evaporation tus nqi, thiab compatibility nrog ib tug ntau yam ntawm polar thiab semi{1}}polar polymers.
Cyclhexanone yog dab tsi?
Cyclhexanoneyog ib tug cyclic ketone - ib tug rau - cov pa roj carbon nplhaib nrog ib leeg ketone (C=O) pab pawg ua haujlwm.
| Khoom | Tus nqi |
|---|---|
| CAS Nr | 108-94-1 |
| Molecular Formula | C₆H₁₀O |
| Molecular Luj | 98,14 g / mol |
| Qhov tshwm sim | Tsis muaj xim rau daj ntseg - kua daj |
| tsw | Acetone / peppermint -zoo li |
| Boiling Point | ~ 155.6 degree |
| Melting Point | ~ -47 degree |
| Qhov ntom | 0.947 g/cm³ |
| Solubility hauv dej | Nruab nrab (~ 2.3 g / 100 mL) |
| Flash Point | ~ 44℃(kaw khob) |
Cyclohexanone yog tsim muaj kev lag luam los ntawm oxidation ntawm cyclohexane los yog hydrogenation ntawm phenol, ua raws li dehydrogenation. Nws yog tsim nyob rau hauv loj scale yuav luag tshwj xeeb tshaj yog feedstock rau cov nylon nqi saw, nrog hnyav- qib khoom muag raws li ib tug co- khoom los yog kwj siab.
Vim li cas Cyclhexanone tseem ceeb hauv Polymer Manufacturing?
Cyclhexanone cov tshuajmolecular qauvmuab nws cov khoom sib xyaw ua ke uas ob peb cov kuab tshuaj sib luag ib txhij, uas yog vim li cas nws thiaj li ua lub luag haujlwm dual hauv kev tsim cov khoom siv polymer - ob qho tib si ua cov khoom siv tshuaj lom neeg thiab ua cov kuab tshuaj.
| Khoom | Vim li cas Nws Tseem Ceeb rau Polymers |
|---|---|
| Siab polarity | Ua tau zoo yaj cov polar polymers xws li PVC thiab vinyl copolymer uas tiv thaiv tsis yog -polar solvents |
| Kub kub taw tes (155.6 degree) | Tso cai rau qeeb, tswj kom qhuav hauv cov coatings, inks, thiab cam khwb cia zaj duab xis - txo qhov tsis xws luag xws li blushing thiab pinholing |
| Muaj zog solvency zog | Dissolves resins ntawm cov ntsiab lus siab, txhim kho zaj duab xis tsim thiab txo cov hnyav hnyav |
| Tshuaj stability | Resistant polymerization los yog sab tshwm sim nyob rau hauv ib txwm ua thiab cia tej yam kev mob |
| Nruab nrab, tswj tau evaporation tus nqi | Nyob nruab nrab ntawm cov kuab tshuaj sai (acetone, MEK) thiab cov kuab tshuaj qeeb (NMP, DMF), muab cov qauv tsim kom zoo tswj kev ziab kom qhuav. |
| Zoo resin compatibility | Miscible nrog esters, ketones, aromatics, thiab ntau lub tshuab resin, easing formulation |
Qhov kev sib npaug ntawm cov tshuaj reactivity raws li cov khoom noj khoom haus thiab kev siv ntau yam raws li cov kuab tshuaj yog qhov txawv ntawm cyclohexanone los ntawm ib qho - cov tshuaj polymer lub hom phiaj - ob peb lwm cov khoom ketones ua haujlwm rau ob qho tib si ntawm kev lag luam.
Cyclhexanone siv li cas hauv Polymer Production?
Qhov loj tshaj plaws ntawm kev siv cyclohexanone yog raws li qhov nkag mus rau hauvcaprolactam-rau-Nylon 6ntau lawm saw.
Cyclohexane
oxidation (xws li oxidation)
▼
Cyclhexanone / Cyclohexanol sib tov
│ (kev tshwm sim nrog hydroxylamine)
▼
Cyclhexanone Oxime
│ (Beckmann Rearrangement, acid catalyst)
▼
Caprolactam
│ (ntiv nplhaib-qhib polymerization)
▼
Nylon 6 (Polycaprolactam)
- Cyclhexane oxidation- Cyclohexane yog oxidized nrog huab cua los yog oxygen (feem ntau catalyzed los ntawm cobalt ntsev) los ua ib tug sib tov ntawm cyclohexanone thiab cyclohexanol, hu ua "KA roj." Cyclohexanol yog tom qab dehydrogenated rau cyclohexanone kom ua tiav cov txiaj ntsig.
- Oximation- Cyclohexanone reacts nrog hydroxylamine sulfate (los yog ntawm ammoximation nrog ammonia / hydrogen peroxide) los tsim cyclohexanone oxime.
- Beckmann rov kho dua- Raws li muaj zog acid catalysis (keeb kwm sulfuric acid; nce zeolite-catalyzed vapor- theem txheej txheem rau cov khoom pov tseg qis), oxime rov ua dua rau hauv caprolactam, xya - koom nrog lactam nplhaib.
- Ntiv- qhib polymerization- Caprolactam yog polymerized (hydrolytic lossis anionic polymerization) los tsim Nylon 6, siv hauv fibers, engineering plastics, thiab films.
Ib qho kev sib luag, txoj kev me me oxidizes cyclohexanone (ntawm cyclohexanol) ntxiv rauadipic kua qaub, ib qho ntawm ob lub monomers (nrog hexamethylenediamine) uas ua rauNylon 6,6.
Cyclhexanone Cov Khoom Siv Loj Polymer
| Polymer / Khoom siv | Lub luag haujlwm ntawm Cyclhexanone |
|---|---|
| Nylon 6 | Feedstock ntawm caprolactam (thawj siv thoob ntiaj teb) |
| Nylon 6,6 | Feedstock los ntawm adipic acid |
| PVC (Polyvinyl Chloride) | High -kev ua tau zoo hnyav rau PVC inks, adhesives, thiab film coatings |
| Acrylic Resin | Cov kuab tshuaj rau lacquers, coatings, thiab cam khwb cia acrylic ntawv ua |
| Polyurethane | Cov kuab tshuaj / diluent hauv PU coatings, adhesives, thiab elastomer formulations |
| ABS (Acrylonitrile Butadiene Styrene) | Surface solvent rau kev sib txuas, luam ntawv, thiab vapor polishing |
| Phenolic resin | Ua cov kuab tshuaj nyob rau hauv cov kua roj vanish thiab impregnation |
| Epoxy cob | Diluent kom txo viscosity hauv txheej txheej thiab casting tshuab |
| Adhesives | Base los yog co-cov kuab tshuaj nyob rau hauv yas, roj hmab, thiab kev sib cuag nplaum formulations |
| Coatings thiab Inks | Slow-evaporating hnyav uas txhim kho kev khiav, theem, thiab gloss |
Cyclhexanone hauv Nylon Manufacturing
Qhov no yog qhov siab tshaj plaws - tus nqi thiab siab tshaj - ntim daim ntawv thov ntawm cyclohexanone, thiab nws tsim nyog tau txais kev kho mob zoo dua li kev txheeb xyuas kev lag luam feem ntau muab.
Caprolactam ntau lawm.Cyclhexanone yog tus thawj precursor rau caprolactam. Kwv yees li ib tonne ntawm caprolactam yuav tsum tau ze rau ib tonne ntawm cyclohexanone (sau cov txheej txheem yield poob), ua cyclohexanone muaj thiab pricing tus neeg tsav tsheb ncaj qha ntawm caprolactam thiab downstream Nylon 6 kev lag luam.
Beckmann rov kho dua.Qhov no yog cov kauj ruam tseem ceeb ntawm chemically. Cyclohexanone oxime, nyob rau hauv acid catalysis, undergoes ib intramolecular rearrangement qhov twg cov pa roj carbon-nitrogen daim ntawv cog lus migrate, converting lub rau -membered oxime nplhaib rau caprolactam lub xya-membered lactam nplhaib nrog ib tug nitrogen tso rau hauv lub nplhaib rov qab. Ib txwm ua kua-theem Beckmann rearrangement siv oleum generates loj ntim ntawm ammonium sulfate raws li los ntawm- khoom; newer vapor-theem, zeolite-catalyzed txoj kev (xws li, roj-theem Beckmann dhau siab-silica zeolites) txo los ntawm- cov khoom tsim thiab tau txais kev nyiam ntau dua rau ib puag ncig thiab nqi vim li cas.
Nylon polymerization.Purified caprolactam undergoes nplhaib-qhib polymerization - feem ntau hydrolytic polymerization pib los ntawm dej ntawm qhov kub thiab txias, los yog ceev anionic polymerization rau cam khwb cia / tawm tsam- kev txhaj tshuaj molding daim ntawv thov - kom tawm tau Nylon 6 polymer chains. Cov ntaub ntawv polymer yog siv rau hauv textile thiab ntaub pua plag fibers, automotive engineering yas, zaub mov ntim films, thiab muaj monofilaments.
Cyclhexanone ua ib qho hnyav rau Polymer Resins
Sab nraum cov nylon saw, cyclohexanone yog ib qho workhorse hnyav hauv resin thiab txheej txheej:
- PVC thiab vinyl resins- Cyclohexanone yog ib qho ntawm ob peb cov kuab tshuaj uas ua rau tag nrho cov tawv thiab hloov tau yooj yim PVC ntawm qhov ua tau zoo, ua rau nws yog ib qho tseem ceeb hauv PVC inks, npo - luam ntawv formulations, thiab vinyl zaj duab xis nplaum.
- Acrylic resins- Siv nyob rau hauv lacquer thiab txheej txheej uas tswj kom qhuav kom tsis txhob muaj qhov tsis xws luag.
- Epoxy resins- Ua haujlwm raws li viscosity-txo cov diluent yam tsis muaj kev cuam tshuam zoo rau kev kho chemistry.
- Roj hmab tebchaw- Siv rau hauv cov roj hmab cement thiab cov nplaum nplaum, pab kom cov roj hmab tawg mus rau hauv cov kev daws teeb meem.
Vim li cas nws lub zog dissolving muaj zog:Cyclhexanone's polar carbonyl pawg sib cuam tshuam zoo nrog cov pawg polar muaj nyob hauv PVC, acrylics, thiab cov resins zoo sib xws, thaum nws cov pob txha cyclic hydrocarbon muab tsis txaus -cov cim polar los kuj solubilize hydrocarbon -raws li resin Cheebtsam.
Qhov no dual affinity - polar txaus rau vinyl thiab polyurethane chemistry, tsis yog -polar txaus rau hydrocarbon resin ntu - yog tsis tshua muaj ntawm ib qho kuab tshuaj thiab yog lub ntsiab yog vim li cas nws tseem nyuaj rau tag nrho hloov.
Qhov zoo ntawm Kev Siv Cyclohexanone hauv Polymer Processing
| Qhov zoo | Cov txiaj ntsig zoo |
|---|---|
| Siab Solvency | Dissolves ntau yam ntawm resins nyob rau hauv siab loading |
| Nruab nrab evaporation Rate | Txo qhov tsis xws luag (blushing, txiv kab ntxwv tev) los ntawm ib yam nkaus thiab - kom qhuav sai |
| Tsawg Residue | Yam tsawg kawg nkaus residual kuab lom nyob rau hauv kho / qhuav zaj duab xis |
| Zoo heev Compatibility | Blends zoo nrog esters, ketones, aromatics, thiab glycol ethers |
| Kev Tsim Yeeb Yam Zoo | Txhawb nqa du, glossy, defects -dawb txheej txheej |
| Thaum tshav kub kub stability | Withstands siab ua kub yam tsis muaj degradation tseem ceeb |
Cyclhexanone vs Lwm Cov Khoom Siv Polymer Solvents
| Solvent | Boiling Point | evaporation tus nqi | Polarity | Hom Polymer siv |
|---|---|---|---|---|
| Cyclhexanone | 155.6 hli | Slow- nruab nrab | Nruab nrab-siab | PVC, yas, acrylic, PU txheej |
| Acetone | 56 degree | ceev heev | Siab | Acrylics, cellulosics |
| MEK (Methyl Ethyl Ketone) | 80 degree | Ceev ceev | Nruab nrab-siab | Vinyl, acrylic, urethane txheej |
| Toluene | 111 degree | Nruab nrab | Tsawg | Roj hmab, ib co coatings |
| DMF (Dimethylformamide) | 153 degree | qeeb | Siab heev | PU, polyacrylonitrile (fiber spinning) |
| NMP (N{0}}Methyl-2-pyrrolidone) | 202 degree | qeeb heev | Siab heev | PVDF, engineering resins, roj teeb binders |
Takeaway:Cyclohexanone nyob hauv nruab nrab ntawm qhov ua tau zoo - muaj zog PVC / yas hnyav dua li acetone los yog MEK, muaj kev nyab xeeb zoo dua thiab tsis muaj zog dua li DMF lossis NMP, thiab tus nqi evaporation haum rau cov txheej txheej txheej uas xav tau qhib lub sijhawm ua haujlwm yam tsis muaj sijhawm ziab ntau dhau.
Kev lag luam uas siv Cyclhexanone-raws li Polymers
- Automotive- Nylon 6/6,6 engineering yas rau hauv qab - cov khoom siv hood; PVC thiab PU txheej rau sab hauv thiab coated fabrics
- Electronics- Nylon connectors thiab vaj tse; cyclohexanone-raws li inks thiab coatings rau Circuit Court board thiab tivthaiv luam ntawv
- Aerospace- High -kev ua tau zoo nylon composites thiab epoxy resin systems
- Kev tsim kho- PVC kav, flooring, thiab vinyl-coated tsev cov ntaub ntawv
- Ntim- Nylon zaj duab xis rau ntim khoom noj; PVC thiab acrylic txheej rau kev ntim khoom yooj yim
- Kho mob- Nylon Cheebtsam hauv cov khoom siv thiab tubing; Cov kuab tshuaj-raws li txheej rau kev kho mob- qib PVC
- Textiles- Nylon 6 fiber tseem yog ib qho ntawm qhov kawg siv los ntawm ntim thoob ntiaj teb
Kev nyab xeeb thiab tuav
Cyclhexanone yog ib qho hluav taws xob uas muaj hluav taws xob tsis zoo, muaj cov kuab tshuaj tsis zoo thiab yuav tsum tau ua haujlwm nrog cov txheej txheem kev lag luam ketone- cov kuab tshuaj tiv thaiv.
- Cia- Khaws rau hauv cov thawv kaw kom nruj, kom deb ntawm cov oxidizers uas muaj zog thiab qhib nplaim taws, hauv qhov chaw txias, zoo - qhov cua. Khaws kom deb ntawm qhov hluav taws kub vim nws qhov chaw taws teeb (~ 44℃).
- Kev thauj mus los- Muab faib ua cov kua hluav taws xob raws li txoj cai thauj thoob ntiaj teb feem ntau (xws li UN 1915); xa hauv cov nruas, IBCs, lossis cov thawv ntim nrog cov ntawv cim tsim nyog.
- PPE- Tshuaj lom neeg- hnab looj tes tiv thaiv, tsom iav kev nyab xeeb lossis daim npog ntsej muag, thiab kev ua pa txaus lossis kev tiv thaiv ua pa raug pom zoo thaum tuav hauv ntau lossis hauv qhov chaw kaw. Cyclhexanone vapor tuaj yeem ua rau lub qhov muag thiab ua pa ntawm qhov siab siab.
- MSDS/SDS- Daim Ntawv Qhia Txog Kev Nyab Xeeb tam sim no yuav tsum tau sab laj ib txwm ua ntej tuav, khaws cia, lossis thauj, raws li kev faib tawm hauv cheeb tsam thiab kev txwv tsis pub muaj (xws li OSHA, ECHA) yuav txawv thiab hloov kho raws sijhawm.
Cov lus nug nquag
Puas yog cyclohexanone siv los ua cov yas?
Yog lawm. Cyclohexanone yog ib qho tseem ceeb ua ntej rau caprolactam thiab adipic acid, uas yog polymerized rau hauv Nylon 6 thiab Nylon 6, 6 - ob qho ntawm feem ntau tsim engineering thiab fiber ntau - qib plastics.
Puas yog cyclohexanone yog polymer?
Tsis yog. Cyclhexanone yog ib qho me me -molecule cyclic ketone, tsis yog polymer. Nws yog monomer precursor thiab hnyav siv nyob rau hauv polymer manufacturing, tsis yog ib tug polymer nws tus kheej.
Vim li cas cyclohexanone siv hauv Nylon ntau lawm?
Vim tias nws yog cov tshuaj ncaj qha ua ntej rau caprolactam ntawm oximation thiab Beckmann rearrangement. Caprolactam yog tom qab ntawd polymerized los ua Nylon 6.
Dab tsi polymers yaj hauv cyclohexanone?
PVC, yas copolymer, acrylic resins, epoxy resins, polyurethanes, thiab ntau phenolic thiab roj hmab-raws li cov tebchaw yog soluble los yog sib xws nrog cyclohexanone.
Puas yog cyclohexanone yog cov kuab tshuaj zoo rau PVC?
Yog - nws raug suav hais tias yog ib qho ntawm cov kuab tshuaj muaj zog tshaj plaws rau ob qho tib si nruj thiab yoog raws PVC, uas yog vim li cas nws tau siv dav hauv PVC inks, coatings, thiab cov ntawv nplaum.
Cyclohexanone puas tuaj yeem yaj acrylic?
Yog lawm. Cyclohexanone yog siv los ua cov kuab tshuaj nyob rau hauv ntau cov acrylic lacquer thiab txheej txheej txheej, tshwj xeeb tshaj yog qhov xav tau qeeb qeeb, tswj tau ntau dua evaporation profile.
Cov kev lag luam twg siv cov cyclohexanone ntau tshaj plaws?
Kev lag luam textile, tsheb, thiab ntim khoom yog cov neeg siv khoom loj tshaj plaws, uas tau tsav los ntawm kev thov rau Nylon 6 thiab Nylon 6,6. Cov txheej txheem, cov nplaum, thiab luam ntawv ink industries yog cov neeg siv khoom loj tshaj plaws ntawm cov kuab tshuaj -qib cyclohexanone.
Puas yog cyclohexanone muaj kev phom sij thaum lub sijhawm tsim cov khoom siv polymer?
Nws raug cais raws li cov nplaim hluav taws kub hnyiab thiab ua rau khaus khaus, yuav tsum muaj ketone tus qauv - tuav ceev ceev (qhov cua, PPE, tswj cia kom deb ntawm qhov hluav taws kub). Nws tsis raug cais tawm ntawm cov siab - phom sij CMR (carcinogenic, mutagenic, reprotoxic) cov kuab tshuaj, uas yog ib feem ntawm vim li cas nws tseem nyiam lwm txoj hauv kev xws li DMF lossis NMP hauv qee cov qauv.
Dab tsi yog qhov txawv ntawm cyclohexanone thiab caprolactam?
Cyclhexanone yog ketone feedstock; caprolactam yog lactam monomer muab tau los ntawm nws los ntawm oximation thiab Beckmann rearrangement. Caprolactam, tsis yog cyclohexanone, yog cov monomer uas ncaj qha polymerized rau hauv Nylon 6.
Puas yog cyclohexanone tseem nyob hauv cov khoom polymer kawg?
Tsis yog. Thaum siv los ua tshuaj lom neeg nruab nrab (caprolactam txoj kev), cyclohexanone yog tshuaj hloov pauv thiab tsis nyob hauv cov polymer. Thaum siv los ua cov kuab tshuaj, nws evaporates thaum ziab / kho, txawm tias cov kab seem seem raug tswj hwm raws li cov lus qhia ntawm zaj duab xis thiab txheej txheej.