Synthesis of polyvinyl acetate nanoparticles via emulsion polymerization with polyvinyl alcohol as protective colloid

Synthesis of polyvinyl acetate is usually done in the presence polyvinyl alcohol as a protective colloidal. The advantages of polyvinyl alcohol compared to other emulsifiers andprotective colloids include the low cost, safety and good solubility in water. Using of polyvinyl alcohol as a protectivecolloid for the emulsion polymerization was fully investigated by Geddes [1]. Polyvinyl alcohol in polyvinyl acetate polymerization offers complete stability, partially hydrolyzedpolyvinyl alcohol show high surface activity in the synthesis of polyvinyl acetate in cause presence of acetate blocks [2].Nucleation and particle growth in emulsion polymerization determine the final physics properties and colloidal latex which both stage of mentioned, can be justified by Smith-Ewart (case II) mechanism properly. Several works have examined the effect of grafting of PVA during of vinyl acetate polymerization, this grafting occurs in both state the physical and chemical