Poly Vinyl Acetate Tg

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Poly vinyl acetate tg.

Polyvinyl acetate and polyvinyl alcohol. Polyvinyl acetate pvac pva is an atactic highly branched and noncrystalline thermoplastic prepared by conventional free radical polymerization. Polyvinyl acetate a synthetic resin prepared by the polymerization of vinyl acetate. Emblem in packaging technology 2012.

Learn more about polyvinyl acetate in this article. In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints. A white nontoxic thermoplastic resin prepared by the polymerization of vinyl acetate. 305 and very sticky above it.

Polyvinyl acetate is also the raw material to make other polymers like. It is one of the most widely used water dispersed resins. Pvoh is produced by hydrolysis of pva and the strong hydrogen bonding imparted by the oh groups means that pure pvoh is water soluble. Polyvinyl acetate is partially or completely hydrolysed to give polyvinyl alcohol.

Polyvinyl acetate pva and polyvinyl alcohol pvoh are further examples of ethylene copolymers. It has good resistance to uv and oxidation but is rather brittle below its tg ca. Poly vinyl acetate mowilith structure based name. It is also used in adhesives.

Polyvinyl acetate water based emulsions is often applied as a liquid that hardens to a solid when the water evaporates. Pva is used as an emulsion adhesive for bag sack and carton making.