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Qhov txawv ntawm cov khoom pab ua PVC thiab cov tswj kev ua npuas dej PVC yog dab tsi?
Cov tshuaj tswj kev ua npuas dej PVC yog ib hom khoom siv pab ua PVC. Thaum ua cov khoom siv PVC, yuav tsum ntxiv ntau yam khoom siv pab ua PVC kom ua lub luag haujlwm tshwj xeeb, thiab ib hom khoom yog cov tshuaj tswj kev ua npuas dej PVC. Cov khoom siv pab ua PVC suav nrog...Nyeem ntxiv -
Yog vim li cas ho muaj cov npuas dej nyob rau hauv qhov seem ntawm cov ntawv yas ua npuas dej?
Ib qho laj thawj yog vim lub zog hauv zos ntawm cov yaj nws tus kheej qis dhau, ua rau cov npuas tsim los ntawm sab nraud; Qhov laj thawj thib ob yog vim qhov siab qis dua nyob ib puag ncig cov yaj, cov npuas hauv zos nthuav dav thiab lawv lub zog tsis muaj zog, tsim cov npuas los ntawm sab hauv mus rau sab nraud. ...Nyeem ntxiv -
Cov txheej txheem khaws cia rau PVC regulators
1. Cov khoom tswj ua npuas dej PVC tuaj yeem hloov pauv lawv cov yam ntxwv thaum raug cua sov, yog li lawv yuav tsum tau khaws cia kom deb ntawm cov nplaim taws, cov kav dej cua sov, cov cua sov, lossis lwm yam khoom siv cua sov. Kev ntxiv cov khoom tswj ua npuas dej PVC tuaj yeem ua rau muaj hmoov av, thiab yog tias cov hmoov av kov lub qhov muag lossis daim tawv nqaij, nws tuaj yeem ua rau muaj hmoov av.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 -
Vim li cas cov koob tshuaj ntawm PVC foaming regulator me me thiab cov nyhuv loj?
Cov tshuaj tswj kev ua npuas dej PVC muaj qhov hnyav molecular siab thiab tuaj yeem txhim kho lub zog yaj ntawm PVC. Nws tuaj yeem encapsulate cov pa roj ua npuas dej, tsim cov qauv honeycomb sib xws, thiab tiv thaiv cov pa roj kom tsis txhob khiav tawm. Cov tshuaj tswj kev ua npuas dej PVC yog "kev lag luam monosodium glutamate", uas yog siv rau hauv cov khoom me me ...Nyeem ntxiv -
Cov txiaj ntsig thiab qhov tsis zoo ntawm kev siv methyltin stabilizer rau cov kav dej PVC
Cov tshuaj tin kub stabilizer (thiol methyl tin) 181 (universal) Bangtai Group tsim cov organic tin, uas ib txwm tau lees paub los ntawm kev ua lag luam rau nws qhov ruaj khov zoo thiab kev ua tau zoo heev, thiab daws tau cov teeb meem uas cov neeg siv feem ntau ntsib hauv lawv cov khoom: 1. tsis ruaj khov zoo ...Nyeem ntxiv -
Qhov sib txawv ntawm calcium zinc stabilizer thiab lead ntsev stabilizer
Calcium zinc stabilizer thiab composite lead salt stabilizer yog hais txog PVC thermal stabilizers uas ua lub luag haujlwm hauv thermal stability hauv kev tsim cov khoom PVC. Qhov sib txawv ntawm ob qho yog raws li nram no: Calcium zinc thermal stabilizers ua tau raws li qhov yuav tsum tau ua ntawm ib puag ncig thiab tam sim no wi ...Nyeem ntxiv -
Lub mechanism ntawm PVC stabilizer action
Qhov kev puas tsuaj ntawm PVC feem ntau yog tshwm sim los ntawm kev rhuav tshem cov chlorine atoms hauv lub molecule hauv qab cua sov thiab oxygen, ua rau muaj HCI ntau lawm. Yog li ntawd, PVC cov cua sov stabilizers feem ntau yog cov tshuaj uas tuaj yeem ua kom cov chlorine atoms hauv PVC molecules ruaj khov thiab tiv thaiv lossis lees txais th...Nyeem ntxiv -
Cov ntsiab lus tseem ceeb rau kev tswj cov txheej txheem ua npuas dej PVC
Kev ua npuas yas muaj peb txoj kev ua: kev tsim cov npuas nuclei, kev nthuav dav ntawm cov npuas nuclei, thiab kev khov ntawm cov npuas lub cev. Rau cov ntawv ua npuas PVC, kev nthuav dav ntawm cov npuas core muaj qhov cuam tshuam loj rau qhov zoo ntawm cov ntawv ua npuas. PVC yog cov molecule saw ncaj, w...Nyeem ntxiv
