Poly Vinyl Acetate Tg

This reversible saponification and esterification reaction was a strong hint for hermann staudinger in the formulation of his theory of macromolecules.

Poly vinyl acetate tg.

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 pva and polyvinyl alcohol pvoh are further examples of ethylene copolymers. Poly vinyl acetate mowilith structure based name.

305 and very sticky above it. Fritz klatte in germany. Polyvinyl acetate is also the raw material to make other polymers like. Learn more about polyvinyl acetate in this article.

Pva is used as an emulsion adhesive for bag sack and carton making. Polyvinyl acetate and polyvinyl alcohol. Polyvinyl acetate is partially or completely hydrolysed to give polyvinyl alcohol. Poly 1 acetoxyethylene poly ethenyl ethanoate poly 1 acetyloxiethene.

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 a synthetic resin prepared by the polymerization of vinyl acetate. Polyvinyl acetate water based emulsions is often applied as a liquid that hardens to a solid when the water evaporates. It is one of the most widely used water dispersed resins.

It is also used in adhesives. In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints.