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Taw qhia Ntawm Lub Tshuab Ua Rau Rau PVC Ua Npuas Ncauj Board

May 05, 2021

Rau PVC ua npuas board, peb yuav ntxiv cov roj nplua nyeem rau nws thaum nws tsim thiab ua. Qhov sib ntxiv ntawm cov roj nplua nyeem tuaj yeem nce qhov kev ua haujlwm ntawm cov khoom ua tau zoo thiab nce qhov kev siv tau ntawm peb cov khoom, tab sis rau nws cov roj nplua nyeem, Peb xaiv nws li cas siv?

Muaj ntau hom PVC ua npuas ua npuas pawg thawj pawg roj, los ntawm cov khoom ntuj tsim xws li montan wax, paraffin wax, roj ntxhia, roj tsiaj thiab zaub roj rau ntau yam qis molecular phaus polymers xws li molecular fluororesin, polyethylene, thiab lwm yam Qee yam aliphatics feem ntau siv Cov Lus Teb xws li stearic acid, stearic acid soaps, acid esters. Thiab amide tebchaw. Qee qhov roj nplua nyeem, xws li oleic acid amide, stearamide, thiab cov roj ntsha acid fatty yog lawv tus kheej los tiv thaiv cov tshuaj pleev kom zoo.

Cov roj nplua nyeem hauv PVC ua npuas lub rooj tsavxwm muaj kev sib txuam nrog cov polymer, thiab nws cov nyhuv lubricating yog qhov tseem ceeb los txo qhov kev sib nrig sib txhuam ntawm polymer molecules, lossis kom txo qhov sib zog ntawm cov qauv ntawm cov PVC qib polymer. Lub tshuab roj ntsha sab nraud yog qhov tsawg, tab sis nws muaj lub ntsej muag ntev ntev. Nws cov nyhuv lubricating yog tsuas yog los txo qhov kev sib txhuam ntawm polymer thiab kev siv tshuab. Lub luag haujlwm ntawm cov roj av sab hauv muaj cov yam hauv qab no: ua cov phom plasticize stably, txhim kho kev ua haujlwm zoo ntxiv; txo cov roj viscosity, nce qhov feem cuam ntog, nce nrog extrusion ntim thiab ntau lawm; txhim kho kev ua tau zoo ntawm cov khoom siv. Lub luag haujlwm ntawm cov roj nplua nyeem sab nraud: txhawm rau txhawm rau tiv thaiv qhov ua kom lwj thiab xim rau ntawm cov khoom ua los ntawm cov roj av thiab lub tshuab moulding, thiab tiv thaiv cov khoom los lo rau saum npoo ntawm lub tshuab ua kom zoo. Ua kom cov tev tev ntawm cov npov nto, txhim kho qhov kev ua haujlwm tso tawm, thiab txo kev du ntawm cov khoom tiav.

Qhov saum toj no yog kev qhia ntawm PVC ua npuas pawg thawj pawg lub cev, tab sis peb yuav tsum them sai sai rau cov ntsiab lus hauv qab no thaum xaiv, tawg zoo, tsim kev sib raug zoo nrog polymers, zoo thermal stability, thiab high-temperature lubricity. Nws tsis muaj kev puas tsuaj rau cov khoom ntawm lub cev, thiab tsis ua kom xim xim. Nws tseem yuav tsum xaiv cov roj nplua nyeem kom haum raws li cov txheej txheem sib txawv thiab cov khoom lag luam.