Product Name:VP/VA Copolymers
Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer
INCI/CTFA:VP/VA Copolymer
CAS NO.:25086-89-9
Formula structure:
Product Properties:VP/VA Copolymers with different rations of N-Vinylpyrrolidone to Vinyl Acetate,soluble in most organic solvents.Which exists in powder,water solution and ethnol solution form.VP/VA compolymer forms hard,water-removable and glossy films,it has excellent compatibility with many plasticizers and modifiers,and the hydroscopicity decreases in proportion to the ration of Vinyl acetate.
Applications: VP/VA copolymers can be used in Household aerosols,seed coatings,binders for melt extrusion,priting inks,dipersants for pigments,pharmaceutical and cosmetic industries.
Specifications:
|
Product
|
VP/VA Ration
|
K Value
|
pH Value(5% in water)
|
Water
|
Solid Content
|
Sulphated Ash(%,max.)
|
Residue(VP+VA)(%,max.)
|
|
|
60/40
|
26-34
|
4.0-7.0
|
5.0% max.
|
95% min.
|
0.1
|
0.1
|
|
|
60/40
|
26-34
|
4.0-7.0
|
48-52%
|
48-52%
|
0.1
|
0.1
|
|
|
70/30
|
26-34
|
4.0-7.0
|
48-52%
|
48-52%
|
0.1
|
0.1
|
|
|
30/70
|
24-32
|
--
|
0.5%
|
48-52%
|
0.1
|
0.1
|
|
|
50/50
|
30-38
|
-
|
0.5%
|
48-52%
|
0.1
|
0.1
|
|
|
60/40
|
26-34
|
-
|
0.5%
|
48-52%
|
0.1
|
0.1
|
|
|
70/30
|
30-38
|
-
|
0.5%
|
48-52%
|
0.1
|
0.1
|
