Poly Vinyl Acetate Tg

305 and very sticky above it.

Poly vinyl acetate tg.

Polyvinyl acetate pvac pva is an atactic highly branched and noncrystalline thermoplastic prepared by conventional free radical polymerization. It has good resistance to uv and oxidation but is rather brittle below its tg ca. Polyvinyl acetate pvac was discovered in 1912 by dr. Polyvinyl acetate and polyvinyl alcohol.

Learn more about polyvinyl acetate in this article. Poly 1 acetoxyethylene poly ethenyl ethanoate poly 1 acetyloxiethene. A white nontoxic thermoplastic resin prepared by the polymerization of vinyl acetate. Polyvinyl acetate is partially or completely hydrolysed to give polyvinyl alcohol.

Pva is used as an emulsion adhesive for bag sack and carton making. Polyvinyl acetate a synthetic resin prepared by the polymerization of vinyl acetate. It is also used in adhesives. Polyvinyl acetate pva and polyvinyl alcohol pvoh are further examples of ethylene copolymers.

Polyvinyl acetate water based emulsions is often applied as a liquid that hardens to a solid when the water evaporates. Pvoh is produced by hydrolysis of pva and the strong hydrogen bonding imparted by the oh groups means that pure pvoh is water soluble. Fritz klatte in germany. This reversible saponification and esterification reaction was a strong hint for hermann staudinger in the formulation of his theory of macromolecules.

In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints. Poly vinyl acetate mowilith structure based name.