Chemistry:Poly(N-vinylacetamide)

Poly(N-vinylacetamide)

Names
IUPAC name Poly(1-acetamidoethylene)
Other names Poly NVA Poly-N-vinylcarboxylic acid amide Poly vinylcarboxylic acid amide Poly carboxylic acid amide GE191 PNVA
Identifiers
CAS Number	28408-65-3
ChemSpider	none
Properties
Chemical formula	(C4H7NO)n
Appearance	White powder
Solubility in water	Soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Poly(N-vinylacetamide) (PNVA) is a polymer having affinity for both water and alcohol made primarily from N-vinylacetamide (NVA) monomer. The homopolymer of NVA is called GE191 grade. Copolymer of NVA and sodium acrylate called GE167 grade.

History

Showa Denko succeeded in industrialization for the first time in the world.

Properties

• Able to thicken across a wide range of pH
• Able to thicken high salt concentration solutions
• Resistance to acids and alkalis
• Water-soluble
• Adhesion and pressure sensitive adhesion
• Resistant to heat