- Home >> Polyvinyl Alcohol(PVA) >> PVA as reinforcement in concrete
Polyvinyl alcohol Polymer is a kind of high polymer. It is white or light yellow floc, Granular or powdery in appearance. Its molecular formula is[CH2CHOH]n,and the molecular formula for some of the PVA is -[CH2CHOH]n-[CH2CHOOCCH3]m-. PVA is non-toxic, insipid and harmless. PVA is water-soluble and the solvent provide good viscosity and film building. It can withstand oils, lubricants, hydrocarbons and most other organic solvents. PVA has better chemical stability and insulatibility, and provide ease in firm building; It possess the typical chemical properties of polyols and can carry out process of esterification, etherealization, aceatalization etc
1.Polyvinyl nitrate (PVN): It is an ester of nitric acid and polyvinyl alcohol.
2.Polyvinyl acetals: Polyvinyl acetals are prepared by reacting aldehydes with polyvinyl alcohol.
3.Polyvinyl butyral (PVB) and polyvinyl formal (PVF) are examples of this family of polymers. They are prepared from polyvinyl alcohol by reaction with butyraldehyde and formaldehyde, respectively Preparation of polyvinyl butyral is the largest use for polyvinyl alcohol in the
4.Polyvinyl alcohol is used as a emulsion polymerization aid, as protective colloid, to make polyvinyl acetate dispersions. This is the largest market application in
5.Its major use is vinylon fiber production.
6.Paper adhesive with boric acid in spiral tube winding and solid board production
Thickener, modifier, in polyvinyl acetate glues
Carbon dioxide barrier in polyethylene terephthalate (PET) bottles
