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Cov khoom siv pab ua PVC yog ib hom tshuaj ntxiv rau hauv kev tsim yas, thiab muaj ntau hom khoom siv pab ua PVC. Cov haujlwm ntawm cov khoom siv pab ua PVC sib txawv yog dab tsi?
Kev ruaj khov cua sov: Kev ua cov yas thiab kev ua kom zoo nkauj yuav raug kho cua sov, thiab thaum lub sijhawm ua kom sov, cov yas yuav tsis muaj kev ua haujlwm tsis ruaj khov. Ntxiv cov khoom ruaj khov cua sov yog los tswj kev ua haujlwm ntawm cov ntaub ntawv PVC thaum lub sijhawm ua kom sov. Kev txhim kho cov khoom pab ua tiav: Raws li lub npe...Nyeem ntxiv -
Cov kev ceev faj thaum xaiv cov polyethylene chlorinated
Cov kev ceev faj thaum xaiv cov tshuaj chlorinated polyethylene: CPE chlorinated polyethylene yog siv dav hauv cov hlau nplaum tub yees, PVC qhov rooj thiab qhov rai profiles, yeeb nkab ntawv, fittings, blinds, hlau thiab cable sheaths, waterproof yob, nplaim taws-retar ...Nyeem ntxiv -
Cov laj thawj rau kev txhim kho sai ntawm cov khoom siv calcium zinc stabilizers tshiab uas zoo rau ib puag ncig yog
Thaum tsim cov khoom yas, peb siv ntau yam stabilizers, ntawm cov uas composite stabilizers yog cov siv dav tshaj plaws. Txawm hais tias cov stabilizers ntsev txhuas pheej yig thiab muaj kev ruaj khov thermal zoo, lawv tau siv dav. Txawm li cas los xij, th...Nyeem ntxiv -
Cov ntsiab lus tseem ceeb ntawm kev tswj cov txheej txheem rau PVC foaming regulator
Tus tswj kev ua npuas dej PVC tuaj yeem pab peb coj cov khoom zoo thaum lub sijhawm tsim khoom thiab ua cov PVC, ua rau peb cov tshuaj tiv thaiv ua tau zoo dua thiab tsim cov khoom peb xav tau. Txawm li cas los xij, peb kuj yuav tsum tau them sai sai rau ntau yam kev lag luam tseem ceeb ...Nyeem ntxiv -
Qhov sib txawv ntawm cov khoom pab ua PVC, cov khoom siv yas, thiab cov roj nplua nyeem yog dab tsi?
Vim tias cov khoom siv ua PVC sib xws nrog PVC heev thiab muaj qhov hnyav molecular siab (kwv yees li (1-2) × 105-2.5 × 106g / mol) thiab tsis muaj hmoov txheej, lawv raug cua sov thiab sib tov thaum lub sijhawm molding. Lawv ua ntej muag thiab ...Nyeem ntxiv -
Cov txiaj ntsig thiab qhov tsis zoo ntawm cov calcium zinc stabilizers
Thaum lub sijhawm ua cov txheej txheem yas, cov calcium zinc stabilizers muaj lub zog electronegativity siab, thiab cov nodes ntawm PVC resin muaj qee qhov affinity, tsim cov khoom sib txuas muaj zog. Calcium zinc stabilizers tuaj yeem faib ua ...Nyeem ntxiv -
Txhua tus neeg paub txog cov khoom siv pab ua PVC. Cov teeb meem dab tsi nrog cov khoom siv pab ua PVC hauv kev lag luam?
1. Kev siv tshuab thiab kev txhim kho MBS qeeb, thiab kev ua lag luam dav, tab sis feem ntawm kev ua lag luam ntawm cov khoom hauv tsev tsis tshua muaj. Txawm hais tias nws tau dhau los ntau tshaj 20 xyoo ntawm kev txhim kho, kev lag luam MBS hauv tsev tam sim no yog o ...Nyeem ntxiv -
Cov yam ntxwv ntawm cov khoom siv calcium zinc stabilizers uas zoo rau ib puag ncig yog dab tsi:
Cov yam ntxwv ntawm cov khoom siv calcium zinc stabilizers uas zoo rau ib puag ncig yog dab tsi: Calcium zinc stabilizers yog nitric oxide synthases uas muaj cov ntsev calcium zinc organic, hypophosphite esters, polyether polyols, antioxidants, thiab cov organic solvents. Calcium zinc stabilizer...Nyeem ntxiv -
Yuav ua li cas sim ntxiv cov tshuaj inorganic i
Yuav ua li cas los sim qhov ntxiv ntawm cov tshuaj inorganic hauv ACR cov khoom pab ua haujlwm: Txoj kev nrhiav kom tau Ca2 +: Cov cuab yeej sim thiab cov tshuaj reagents: beaker; Lub raj mis zoo li lub khob hliav qab; Funnel; burette; Lub cub hluav taws xob; Anhydrous ethanol; Hydrochloric acid, NH3-NH4Cl buffer solution, calcium indicator, 0.02mol / L ...Nyeem ntxiv -
Kev tshuaj xyuas cov hom tseem ceeb ntawm ACR cov khoom siv ua tiav
1. Cov khoom siv pab ua tiav thoob ntiaj teb: Cov khoom siv pab ua tiav ACR thoob ntiaj teb tuaj yeem muab lub zog yaj sib npaug thiab viscosity yaj. Lawv pab ua kom cov polyvinyl chloride yaj sai dua thiab muaj kev sib kis zoo heev nyob rau hauv cov xwm txheej qis shear. Tom qab siv, qhov sib npaug zoo tshaj plaws ntawm...Nyeem ntxiv -
Cov teeb meem xim tom qab calcium zinc stabilizers hloov cov ntsev txhuas yog dab tsi?
Tom qab lub stabilizer hloov los ntawm cov ntsev txhuas mus rau calcium zinc stabilizer, nws yooj yim nrhiav tau tias cov xim ntawm cov khoom feem ntau yog ntsuab, thiab nws nyuaj rau ua tiav kev hloov xim los ntawm ntsuab mus rau liab. Tom qab lub stabilizer ntawm cov khoom PVC tawv yog hloov pauv ...Nyeem ntxiv -
Cov txiaj ntsig ntawm kev siv cov polyethylene chlorinated hauv cov cables online
1. Txhim kho qib kev siv tshuab ntawm cov khoom siv cable CPE muaj kev ua tau zoo, tiv taus hluav taws zoo heev thiab tiv taus roj, tiv taus kub zoo, tiv taus ozone, tiv taus huab cua, thiab ua tau zoo hauv kev sib xyaw ua ke. Nws yuav luag tsis muaj qhov kub hnyiab...Nyeem ntxiv
