Poly Vinyl Acetal Diethyl Aminoacetate Structure

Polyvinyl acetal an acetal of polyvinyl alcohol.

Poly vinyl acetal diethyl aminoacetate structure. The structure of pvb is shown in fig. It is also used in adhesives. Component of watersoluble edible film that may be used to form pouches containing pre portioned aliquots of 1 certain dry ingredients i e instant tea instant coffee hot chocolate mix flavored drink powder and whey protein supplement powder to be used by the consumer in preparing ready to serve foods and beverages at a. A polymer of the general formula i.

Polyvinyl acetate a synthetic resin prepared by the polymerization of vinyl acetate. Poly vinyl acetate mowilith structure based name. Poly 1 acetoxyethylene poly ethenyl ethanoate poly 1 acetyloxiethene. An acetal is a functional group with the connectivity r 2 c or 2 here the r groups can be organic fragments a carbon atom with arbitrary other atoms attached to that or hydrogen while the r groups must be organic fragments not hydrogen the two r groups can be equivalent to each other a symmetric acetal or not a mixed acetal.

Thus in addition to the acetal groups x. 9 41 but it is generally not made in exactly this form it is made in a way such that the polymer is a mixture of pvb polyvinyl alcohol pvoh and polyvinyl acetate segments as shown in the figure. This reversible saponification and esterification reaction was a strong hint for hermann staudinger in the formulation of his theory of macromolecules. Polyacetals such as polyoxymethylene are listed in the ethers section.

An aldehyde is then added to obtain polyvinyl acetal. It might be outdated or ideologically biased. Thus the polymers contain varying levels of acetal hydroxy and acetate functionalities. Learn more about polyvinyl acetate in this article.

Sigma aldrich offers a number of poly vinyl acetate products. Polyvinyl butyral pvb is considered to be an acetal and is formed from the reaction of an aldehyde and alcohol. In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints. Polyvinyl acetate is also the raw material to make other polymers like.

View information documentation regarding poly vinyl acetate including cas msds more. Polyvinyl acetate is hydrolyzed to form polyvinyl alcohol.