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This article covers the development of the thermoplastic extrusion films made of poly(vinyl acetate) (PVA) and poly(butyl methacrylate) (PBMA) for use as an inner layer in metal-polymer-metal multiple-layered vibro-damping materials that can work in contact with water. The effect of the amount of the introduced plasticizer on the dynamic properties of polymer films made of PVA and PBMA is studied on the example of plasticizers from the group of esters of dicarboxylic acids, organic phosphates and chloroparaffins. The processes of water sorption by polymer films and washing out plasticizers from them have been investigated. It has been demonstrated that PBMA-based films containing chlorinated paraffins as a plasticizer have the best water resistance.

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