Polyvinyl Cawv (PVA) Daim Ntawv Thov - Ntau yam kev daws teeb meem rau kev lag luam

PVA cov khoom peb tsim muab cov yeeb yaj kiab zoo tshaj plaws uas tso cai rau nws siv rau hauv ob qho tib si dav thiab tawv daim ntaub ntawv uas yuav tsum tau muaj zog yoog raws txheej txheej. Cov cuab yeej ua yeeb yaj kiab no yog qhov tseem ceeb heev rau kev lag luam xws li ntim khoom thiab textiles uas tso siab rau kev tiv thaiv thiab kev ua siab ntev. Los ntawm kev siv peb cov PVA, cov tuam ntxhab yuav tuaj yeem txhim kho qhov zoo ntawm cov khoom kawg uas txaus siab rau cov neeg siv khoom siv zog ua kom zoo.

Paub txog nws cov khoom nplaum, PVA yog tsim rau ntau hom kev sib txuas xws li cov khoom ntoo thiab ntawv. Thaum tsim peb cov PVA, peb siv zog los txhim kho adhesion rau qhov chaw ntawm cov khoom siv kom cov khoom tsis sib nrug thaum siv. Qhov kom zoo dua no yog qhov tseem ceeb thaum cov neeg siv khoom xav tias yuav tsim cov khoom uas tau npaj kom kav ntev thiab nyob ruaj khov.

Txhua tus paub tias tsis muaj ob lub lag luam zoo ib yam. Yog li, peb cov PVA tuaj yeem hloov kho raws li daim ntawv thov xav tau, piv txwv li, hloov cov viscosity lossis cov yeeb yaj kiab cov yam ntxwv. Qhov kev coj ua zoo li no ua rau peb cov neeg siv khoom tuaj nrog cov tswv yim tshiab muaj tswv yim hais txog lawv lub hom phiaj kev lag luam uas muaj peev xwm nthuav dav kev lag luam.