PVC stabilizers feem ntau yog siv thaum lub sij hawm ua ntau yam khoom PVC; lawv cov haujlwm tseem ceeb yog txhawm rau txhim kho cov khoom ruaj khov nyob rau hauv cov cua sov, yog li txo qis cov xim thiab decomposition los ntawm qhov kub thiab txias. Muab PVC qhov zoo tshaj plaws corrosion kuj, hluav taws xob rwb thaiv tsev, thiab kev ua tau zoo, stabilizers yog dav siv nyob rau hauv cov ntaub ntawv tsim kho. Piv txwv li, hauv kev tsim cov kav dej PVC, fittings, qhov rais thiab qhov rooj profiles, phab ntsa panels, thiab flooring, stabilizers txo thermal degradation thaum extrusion, txhaj tshuaj molding, thiab calendering, xyuas kom meej cov khoom khaws cov xim thiab txhua yam khoom. Ntev -lub sij hawm ruaj khov kuj tseem ceeb heev rau kev tsim kho- qib PVC cov khoom, vim tias cov khoom feem ntau raug rau qhov kub thiab txias, tshav ntuj, thiab ntau yam ib puag ncig thoob plaws hauv nws lub neej kev pab cuam.
PVC feem ntau siv rau cov hlau thiab cable rwb thaiv tsev thiab sheathing; txij li cov khoom siv tau dhau los siab -kub plasticization thiab extrusion thaum ua, yuav tsum muaj thermal stability siab. Kev koom ua ke cov stabilizers uas tsim nyog yuav txo tau qhov tshwm sim ntawm decomposition thaum ua, yog li tiv thaiv tsis muaj xim thiab kev ua haujlwm degradation. Tsis tas li ntawd, nyob rau hauv cov khoom siv PVC hloov tau -xws li hoses, tawv tawv, films, thiab sealing strips -stabilizers feem ntau yog siv ua ke nrog cov additives xws li plasticizers thiab lubricants kom muaj kev ruaj ntseg thiab cov khoom sib xws. Kev xav tau sib txawv ntawm cov khoom siv; Piv txwv li, pob tshab thiab xim tuav yog qhov tseem ceeb tshaj plaws rau pob tshab PVC cov khoom, qhov ntev - lub sij hawm thermal stability yog qhov tseem ceeb rau cable sheathing.
Daim ntawv thov ntawm PVC stabilizers yog nce mus rau cov hlau lead -dawb thiab ib puag ncig tus phooj ywg kev daws teeb meem. Tam sim no, calcium-zinc composite stabilizers, organotin stabilizers, thiab lwm yam eco-cov khoom siv zoo sib xws tau siv dav hauv PVC kav, profiles, cables, flooring, thiab ntim khoom. Rau cov khoom lag luam uas yuav tsum muaj kev nyab xeeb nruj heev- xws li zaub mov- cov ntaub ntawv tiv tauj, khoom siv kho mob, thiab cov khoom siv rau menyuam yaus- cov tshuab ruaj khov yuav tsum raug xaiv raws li cov ntawv thov tshwj xeeb kom ua tau raws li cov qauv kev nyab xeeb cuam tshuam. Zuag qhia tag nrho, PVC stabilizers ua lub luag haujlwm tseem ceeb hauv cov haujlwm tseem ceeb ntawm kev ua PVC; lawv cov kev xaiv yuav tsum muaj kev ntsuam xyuas dav dav ntawm yam xws li cov khoom lag luam, kev ua haujlwm kub thiab lub sijhawm, qhov yuav tsum tau ua kom pom tseeb, kev tiv thaiv huab cua, thiab cov kev cai ib puag ncig kom ntseeg tau tias kev ua haujlwm zoo ib yam thaum tsim khoom thiab siv sijhawm ntev -.
