Hauv lub neej niaj hnub, peb yuav pom tias ntau cov khoom siv yas yuav muaj qee qhov tsw thaum lawv thawj zaug siv.Piv txwv li, qee cov khoom siv polyethylene thiab polypropylene yuav muaj ntxhiab tsw ntxhiab thaum pib siv, thiab qhov tsw yuav tsawg dua tom qab siv sijhawm., Vim li cas cov khoom yas no tsw ntxhiab?
Cov ntxhiab tsw hauv cov yas no feem ntau yog los ntawm cov khoom siv ntxiv hauv cov txheej txheem tsim khoom yas.Qhov no yog vim qhov sib ntxiv ntawm cov kuab tshuaj thiab ib qho me me ntawm cov pib thiab lwm yam khoom ntxiv thaum lub sij hawm polymerization ntawm polyethylene thiab polypropylene resins.Tom qab ntxuav, pom, thiab lwm yam, qee zaum qee qhov me me ntawm cov lus hais saum toj no yuav nyob twj ywm, thiab ntxiv rau, ib qho me me ntawm cov khoom siv qis-molecular-yuag polymer yuav nyob twj ywm hauv cov resin.Thaum lub sij hawm molding thiab ua cov khoom yas, cov khoom no yuav raug rau qhov kub thiab txias kom dim ntawm qhov tsis hnov tsw thiab nyob ntawm qhov chaw ntawm cov khoom.
Tsis tas li ntawd, qee cov tuam txhab lag luam yuav ntxiv qee cov turpentine ua ib qho kev pab dyeing thaum yas dyeing.Yog tias siv ntau dhau lawm, cov ntxhiab tsw ntawm turpentine kuj yuav khiav tawm ntawm cov khoom.Nws ploj mus qeeb thiab tsis muaj kev cuam tshuam rau tib neeg kev noj qab haus huv.Txawm li cas los xij, yog tias qhov tsis hnov tsw hnyav dhau thiab muaj nyob rau lub sijhawm ntev, nws tseem yuav cuam tshuam rau tib neeg kev noj qab haus huv.
Yog li ntawd, thaum yuav cov khoom yas, peb yuav tsum xaiv cov khoom yas nrog cov ntaub ntawv raw khoom zoo, zoo thiab muaj kev nyab xeeb zoo.
Post lub sij hawm: May-07-2022