Polyvinyl alcohol (PVA) yog ib qho polymer tsim los ntawm cov khoom siv synthetic uas siv ntau hauv kev tsim cov adhesive thiab coatings hauv textiles thiab lwm lub lag luam. PVA tuaj yeem siv rau ntau yam kev thov vim nws muaj cov khoom zoo; nws tuaj yeem emulsify, tsim cov yeeb, thiab nco ntsoov rau cov chaw. Hauv lub ntiaj teb no ntawm cov khoom no, nws txoj kev nrov nce siab vim nws muaj peev xwm biodegradability, pab cov chaw tsim khoom kom ua tiav cov hom phiaj sustainability. Peb cov khoom PVA ntau yam muaj peev xwm ua tiav cov kev xav tau hloov pauv ntawm kev ua lag luam thiab muab cov kev daws teeb meem uas ntseeg tau rau peb cov neeg siv khoom thoob ntiaj teb.