Cov khoom siv dab tsi PVC
Jul 05, 2019
PVC qhov tseeb yog ib hom vinyl polymer khoom, nws cov khoom yog ib qho khoom siv amorphous. PVC cov khoom siv hauv cov tswv yim siv feem ntau ntxiv stabilizer, roj nplua nyeem, tus koom tes pabcuam kev ua haujlwm, xim, cuam tshuam nrog tus neeg sawv cev tiv thaiv thiab lwm yam ntxiv. Nws tsis muaj qhov kub cev, lub zog loj, tiv taus huab cua thiab zoo heev geometric stability. PVC muaj muaj zog tiv taus oxidant, txo tus neeg sawv cev thiab muaj zog acid. Txawm li cas los xij, nws tuaj yeem kho tau los ntawm cov tshuaj oxidized acids xws li sulfuric acid thiab nitric acid thiab tsis haum rau kev sib cuag nrog cov tshuaj tsw qab thiab chlorinated hydrocarbons. Ib qho ntxiv, lub sij hawm tus neeg vs lub koos pij tawj yog luv rau PVC, thiab PVC tib neeg feem ntau yog los ntawm PVC
