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POLY(VINYL ALCOHOL)-β-CYANOETHYL ETHER
  The poly(vinyl alcohol)-β-cyanoethyl ether is a high polymer compound,non poisonous,and slightly yellow glass state solid.It is strong adhesion,unsolvable in water,easily soluble in the organic solvent of acetone and methylene dichloride etc.It has better electric properties,higher dielectric constant normally up to 15-16,is a excellent dielectric material.
This product mainly is used in the dielectric materials of making the electroluminescent image display screen,can enhance shining lightness,increase adhesion,enbance using reliability,and as a adhesive of ceramics and glass article.
Chemical Formula(CH2-CHOCH2CH2CN-CH2-CHOCH2CH2CN)nquality index of poly(vinyl alcohol)-β-cyanoethyl ether product
No. Index name Technical index
1 Appearance Slightly yellow semitransparent block solid
2 Nitrogen content(%) 13.47-13.61
3 Solubility All soluble in acetone to become a clear transparent solution
4 Dielectric constant 25℃,1KC/S 15-16

Note
This product is a non-easy flammable,non-easy explosive goods.When it is stored,care should be taken to avoid strictly the sunlight,seal tightly,and to avoid absorption of moisture and water.
Original package goods has shelf life for 5 years.
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