Polyvinyl Alcohol Application

Polyvinyl Alcohol products have a wide range of uses. In the textile industry, they are mainly used as yarn pulp, fabric finishing...

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Polyvinyl Alcohol Grades

Polyvinyl Alcohol is manufactured by polymerization of vinyl acetate monomer, followed by hydrolysis of the polyvinyl acetate. HOP...

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Polyvinyl Alcohol Introduction

Polyvinyl Alcohol is a water soluble and biodegradable synthetic polymer. It is adry solid, and is available in granule and powder...

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PVA China polyvinyl alcohol all

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 U.S. and Western Europe.

 

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 China.

 

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

 

7.Paper coatings, release liner

 

8.As a water-soluble film useful for packaging

 

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