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Cov teeb meem hauv kev lag luam pab ua PVC yog dab tsi?
1. Tseem muaj qee qhov sib txawv ntawm cov khoom siv ua PVC hauv tsev thiab cov khoom txawv teb chaws, thiab tus nqi qis tsis muaj qhov zoo dua hauv kev sib tw ua lag luam. Txawm hais tias cov khoom hauv tsev muaj qee qhov zoo ntawm thaj chaw thiab tus nqi hauv kev sib tw ua lag luam, peb muaj qee qhov sib txawv hauv kev ua tau zoo ntawm cov khoom ...Nyeem ntxiv -
Cov khoom siv lub cev thiab cov haujlwm tseem ceeb ntawm PVC ua cov khoom siv pab
Cov khoom siv ua PVC yog cov thermoplastic graft polymer tau los ntawm kev polymerization ntawm methyl methacrylate thiab acrylate los ntawm cov noob pleev. Nws yog siv rau kev ua thiab tsim cov khoom siv PVC. Nws muaj cov txiaj ntsig zoo rau kev txhim kho kev cuam tshuam ntawm cov khoom siv PVC. Nws tuaj yeem npaj...Nyeem ntxiv -
Cov yam tseem ceeb uas cuam tshuam rau qhov zoo ntawm cov khoom siv pab ua cov khoom siv yog dab tsi?
1. Tus lej viscosity Tus lej viscosity qhia txog qhov nruab nrab molecular hnyav ntawm cov resin thiab yog tus yam ntxwv tseem ceeb rau kev txiav txim siab hom resin. Cov khoom thiab kev siv ntawm cov resin sib txawv nyob ntawm qhov viscosity. Raws li qib ntawm polymerization ntawm PVC resin nce, mechanical p...Nyeem ntxiv -
Ntawm qhov kev nthuav qhia "sab saum toj" hauv kev lag luam tiv thaiv ib puag ncig, cov qauv kev txhim kho kev lag luam tshiab tshaj plaws
Thaum nws los txog rau cov kev nthuav qhia paub zoo hauv kev lag luam tiv thaiv ib puag ncig, Tuam Tshoj Ib puag ncig Expo (IE EXPO) yog qhov tseem ceeb tshaj plaws. Raws li kev nthuav qhia huab cua, xyoo no yog hnub tseem ceeb 25 xyoos ntawm Tuam Tshoj Ib puag ncig Expo. Kev nthuav qhia no tau qhib tag nrho cov chaw nthuav qhia ntawm Sh...Nyeem ntxiv -
Kev loj hlob ntawm kev lag luam titanium dioxide
Nrog rau kev nce qib ntawm cov teb thov downstream, qhov kev thov rau titanium dioxide hauv kev lag luam xws li roj teeb zog tshiab, txheej, thiab inks tau nce siab, tsav tsheb nce lub peev xwm tsim khoom ntawm kev lag luam titanium dioxide. Raws li cov ntaub ntawv los ntawm Beijing Advantech Information Consulting, los ntawm...Nyeem ntxiv -
Cov kev poob dab tsi yuav tshwm sim los ntawm cov tshuaj chlorinated polyethylene CPE tsis zoo hauv kev ua PVC?
Chlorinated polyethylene (CPE) yog cov khoom hloov kho chlorinated ntawm high-density polyethylene (HDPE), siv ua cov khoom hloov kho rau PVC, Cov ntsiab lus chlorine ntawm CPE yuav tsum nyob nruab nrab ntawm 35-38%. Vim nws tiv taus huab cua zoo heev, tiv taus txias, tiv taus hluav taws, tiv taus roj, cuam tshuam ...Nyeem ntxiv -
Yuav ua li cas los ntsuam xyuas qhov ntxiv ntawm cov tshuaj inorganic hauv ACR cov khoom pab ua haujlwm?
Txoj kev nrhiav Ca2+: Cov cuab yeej sim thiab cov tshuaj reagents: beakers; Lub raj mis conical; Lub raj mis funnel; Burette; Lub cub hluav taws xob; Anhydrous ethanol; Hydrochloric acid, NH3-NH4Cl buffer solution, calcium indicator, 0.02mol/LEDTA standard solution. Cov kauj ruam sim: 1. Ntsuas qhov hnyav ntawm ACR kom raug...Nyeem ntxiv -
Yuav ua li cas yog tias qhov zoo ntawm PVC foaming regulators tsis zoo?
Thaum lub sijhawm ua npuas dej ntawm cov khoom siv, cov pa roj uas lwj los ntawm cov neeg ua npuas dej tsim cov npuas hauv cov yaj. Muaj qhov sib txawv ntawm cov npuas me me nthuav dav mus rau cov npuas loj dua hauv cov npuas no. Qhov loj me thiab ntau npaum li cas ntawm cov npuas tsis yog tsuas yog cuam tshuam nrog qhov ntau npaum li cas ntawm cov neeg ua npuas dej ntxiv, tab sis kuj cuam tshuam rau ...Nyeem ntxiv -
Kev lag luam petrochemical koom nrog tob rau hauv "Belt and Road" initiative thiab tab tom sau ib tshooj tshiab
Xyoo 2024 yog xyoo pib ntawm kaum xyoo thib ob ntawm kev tsim kho "Belt and Road". Xyoo no, Tuam Tshoj txoj kev lag luam petrochemical tseem txuas ntxiv koom tes raws "Belt and Road". Cov haujlwm uas twb muaj lawm tab tom ua mus zoo, thiab ntau qhov haujlwm tshiab tab tom yuav raug siv...Nyeem ntxiv -
Cov haujlwm ntawm cov khoom siv ua tiav PVC yog dab tsi?
1. Cov khoom siv ua PVC PA-20 thiab PA-40, raws li cov khoom ACR xa tuaj, yog siv dav hauv PVC zaj duab xis pob tshab, PVC daim ntawv, PVC cov khoom me me, PVC hoses thiab lwm yam khoom kom zoo dua qhov kev sib kis thiab kev ua haujlwm thermal ntawm PVC sib xyaw, qhov ci ntsa iab ntawm qhov chaw...Nyeem ntxiv -
Kev siv thiab kev ceev faj ntawm PVC foaming regulators
Lub hom phiaj ntawm PVC foaming regulator: Ntxiv rau tag nrho cov yam ntxwv tseem ceeb ntawm PVC cov khoom pab ua, cov foaming regulators muaj qhov hnyav molecular siab dua li cov khoom pab ua haujlwm dav dav, lub zog yaj siab, thiab tuaj yeem muab cov khoom zoo dua qub thiab qis dua ...Nyeem ntxiv -
Qhov cuam tshuam ntawm cov khoom PVC rau tib neeg lub neej
Cov khoom PVC muaj kev cuam tshuam loj heev thiab nyuaj rau tib neeg lub neej, thiab lawv nkag mus rau hauv peb lub neej txhua hnub hauv ntau txoj kev. Ua ntej tshaj plaws, cov khoom PVC tau siv dav hauv ntau qhov chaw vim lawv lub zog ruaj khov, plasticity thiab tus nqi qis, yog li txhim kho qhov yooj yim heev ...Nyeem ntxiv
