Yuav Ua Li Cas Siv PVA Hauv Cov Nplai – Cov Lus Qhia

PVA muaj cov qauv molecular tshwj xeeb uas muab cov bonding strengths uas tsis tau hnov, tso cai rau kev siv cov coatings rau ntau hom substrates tsis muaj kev ntshai tias lawv yuav rhuav. Nws yog tsim los txhim kho qhov zoo ntawm cov coatings thiab ua kom ntseeg tau tias cov coatings yuav nyob ntev tsis tas yuav tsum tau rov qab siv ntau zaus.

Cov peev xwm ntawm PVA los tsim ib qho yeeb yaj kiab ua rau cov khoom xaus zoo thiab txaus nyiam. Qhov no tsis tsuas ua rau cov substrates coated zoo nkauj xwb tab sis kuj muab qee qhov kev tiv thaiv los ntawm cov scratches thiab kev puas tsuaj vim yog cov xwm txheej, yog li ntawd ua kom ntev.

Kev siv PVA hauv koj cov txheej txheem ua rau nws ua tau raws li cov kev ua tau zoo thiab tseem khwv tau nyiaj. Thaum cov khoom zoo ntxiv los ntawm kev siv PVA, kev poob qis thiab kev ua haujlwm nce, uas qhia txog ib qho zoo rau ob qho tib si cov chaw tsim khoom thiab cov neeg siv khoom kawg.