The purpose of this paper was to obtain certain PVC films with improved hygienic properties. with applications both in the artificial leather industry and in other domains. This was done by introducing certain hydrophilic auxiliaries with free chemical functions into the chemical structure of the PVC films. such as: collagen hydrolysates (CH). https://www.chiggate.com/us-topo-7-5-minute-map-for-cucharas-reservoir-co-for-sale/