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Polyurethane tshuaj

  • Chaw tsim tshuaj paus Zoo Nqe P-TOLUENESULFONYLISOCYANATE (PTSI) CAS 4083-64-1

    Chaw tsim tshuaj paus Zoo Nqe P-TOLUENESULFONYLISOCYANATE (PTSI) CAS 4083-64-1

    P-TOLUENESULFONYLISOCYANATE (PTSI) yog ib qho ua haujlwm ntawm isocyanate.P-TOLUENESULFONYLISOCYANATE (PTSI) muaj kev ua haujlwm siab thiab tuaj yeem hnov ​​​​mob nrog cov pa diisocyanates, xws li TDI thiab HDI, nrog dej hauv polyols thiab cov kuab tshuaj.Cov txiaj ntsig carbamate tsis nce viscosity ntawm lub cev.Qhov tsis zoo yog tias cov tshuaj lom ntawm oxazolidine thiab lwm yam dehydrants loj;P-TOLUENESULFONYLISOCYANATE (PTSI) reacts nrog dej los tsim carbon dioxide thiab toluenesulfamide, yog li P-TOLUENESULFONYLISOCYANATE (PTSI) tsis tuaj yeem siv ncaj qha rau hauv cov xim pleev xim thiab feem ntau yog siv los ua ntej lub cev qhuav dej.Txhawm rau tshem tawm 1g dej hauv cov kuab tshuaj, kwv yees li 12g ntawm PTSI yog qhov xav tau, tab sis tus nqi tiag tiag yuav tsum siab dua qhov no.

    CAS: 4083-64-1 Nr

  • Tuam Tshoj Tus Nqi Zoo Dimethylbenzylamine (BDMA) CAS: 103-83-3

    Tuam Tshoj Tus Nqi Zoo Dimethylbenzylamine (BDMA) CAS: 103-83-3

    Dimethylbenzylamine (BDMA) yog cov xim tsis muaj xim rau lub teeb daj nrog cov ntxhiab tsw.Me ntsis ntom dua dej thiab me ntsis soluble hauv dej.Flash point kwv yees li 140 ° F.Corrosive rau daim tawv nqaij, qhov muag thiab mucous daim nyias nyias.Me ntsis tshuaj lom los ntawm kev noj, daim tawv nqaij nqus thiab nqus tau pa.Siv rau hauv kev tsim cov nplaum thiab lwm yam tshuaj.

    CAS: 103-83-3

  • Tuam Tshoj Tus Nqi Zoo CalciumAlumina Cement CAS: 65997-16-2

    Tuam Tshoj Tus Nqi Zoo CalciumAlumina Cement CAS: 65997-16-2

    CalciumAlumina Cement yog cement nrog calcium calcium los yog calcium aluminium ua nws cov ntxhia tseem ceeb.Nws yog tsim los ntawm ntuj txhuas los yog muaj alumina thiab calcium carbonate (limestone) raws li ib qho kev faib ua feem, uas yog tsim los ntawm kev kub hnyiab lossis hluav taws xob yaj.
    Cov khoom xyaw thiab pawg: CalciumAlumina Cement tuaj yeem muab faib ua aluminium calcium calcium cement (al2O3 53-72%, CAO 21-35%) thiab ntshiab aluminium calcium cement (al2O3 72-82%, CAO 19-23%) Ob pawg.Ordinary aluminium cement cement tuaj yeem muab faib ua hom hlau qis (FE2O3 <2%) thiab high-speed rail hom (Fe2O37-16%).Tsawg-rail-type aluminium-type calcium cement tuaj yeem muab faib ua alum av cement (Al2O353 ~ 56%, CAO 33-35%), aluminium -60 cement (al2O359% rau 61%, CAO 27-31%), thiab qis -calcium aluminium acid cement (Al2O3 65-70%, CAO 21 txog 24%).Ntshiab aluminium calcium cement tuaj yeem muab faib ua ob hom: Al2O3 72-78%) thiab ultra-high aluminium hom (Al2O3 78-85%).Tsis tas li ntawd, muaj qhov ceev thiab tawv thaum ntxov muaj zog aluminium calcium cement.

    CAS: 65997-16-2 Nr

  • Chaw tsim tshuaj paus Zoo Nqe PVB (Polyvinyl Butyral Resin) CAS: 63148-65-2

    Chaw tsim tshuaj paus Zoo Nqe PVB (Polyvinyl Butyral Resin) CAS: 63148-65-2

    Polyvinyl Butyral Resin (PVB) yog ib yam khoom uas tau cog lus los ntawm polyvinyl cawv thiab butadhyde nyob rau hauv acid catalytic.Vim hais tias PVB molecules muaj cov ceg ntev, lawv muaj softness zoo, tsis muaj iav kub, siab stretching zog thiab los tiv thaiv lub zog.PVB muaj cov pob tshab zoo, zoo solubility, thiab lub teeb pom kev zoo, dej tsis kam, kub tsis kam, txias ua haujlwm, thiab tsim cov yeeb yaj kiab.Nws muaj cov pab pawg ua haujlwm uas tuaj yeem ua ntau yam tshuaj tiv thaiv xws li acetylene-based saponification cov tshuaj tiv thaiv, vinegarization ntawm hydroxyl, thiab sulfonic acidization.Nws muaj adhesion siab nrog iav, hlau (tshwj xeeb yog txhuas) thiab lwm yam ntaub ntawv.Yog li ntawd, nws tau siv dav hauv kev tsim cov iav kev nyab xeeb, nplaum, ceramic paj ntawv, aluminium ntawv ci ntawv, cov khoom siv hluav taws xob, cov khoom siv iav, cov khoom siv kho mob, thiab lwm yam, thiab dhau los ua cov khoom siv hluavtaws indispensable.
    PVB (Polyvinyl Butyral Resin) CAS 63148-65-2
    Series: PVB (Polyvinyl Butyral Resin) 1A / PVB (Polyvinyl Butyral Resin) 3A / PVB (Polyvinyl Butyral Resin) 6A

    CAS: 63148-65-2 Nr

  • Chaw tsim tshuaj paus Zoo Nqe Aniline CAS: 62-53-3

    Chaw tsim tshuaj paus Zoo Nqe Aniline CAS: 62-53-3

    Aniline yog qhov yooj yim tshaj plaws aromatic amine, benzene molecule nyob rau hauv hydrogen atom rau cov amino pawg ntawm cov tebchaw generated, tsis muaj kob roj flammable kua, muaj zog tsw.Lub melting point yog -6.3 ℃, lub boiling point yog 184 ℃, tus txheeb ze ceev yog 1.0217 (20/4 ℃), lub refractive index yog 1.5863, lub flash point (qhib khob) yog 70 ℃, lub spontaneous combustion point yog 770 ℃, lub decomposition yog rhuab mus rau 370 ℃, me ntsis soluble nyob rau hauv dej, yooj yim soluble nyob rau hauv ethanol, ether, chloroform thiab lwm yam organic solvents.Hloov cov xim xim xim ntawm cov phau ntawv tshuaj thaum raug huab cua lossis hnub ci.Muaj chav distillation, distillation ntxiv me me ntawm zinc hmoov los tiv thaiv oxidation.10 ~ 15ppm NaBH4 tuaj yeem muab ntxiv rau purified aniline los tiv thaiv oxidation deterioration.Aniline tov yog qhov yooj yim, thiab cov kua qaub yog yooj yim los ua ntsev.Lub hydrogen atom ntawm nws cov amino pawg tuaj yeem hloov tau los ntawm pawg hydrocarbon lossis acyl los tsim cov theem nrab lossis qib siab anilines thiab acyl anilines.Thaum hloov cov tshuaj tiv thaiv yog nqa tawm, cov khoom uas nyob ib sab thiab para-substituted yog tsim los.Cov tshuaj tiv thaiv nrog nitrite yields diazo ntsev los ntawm cov benzene derivatives thiab azo tebchaw ua tau.

    CAS: 62-53-3 Nr