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CasNo： 25086-89-9
Molecular Formula： (C6H9NO)n*(C4H6O2)m
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.
Specifications:
|
Product |
VP/VA Ration |
K Value |
pH Value(5% in water) |
Water |
Solid Content |
Sulphated Ash(%,max.) |
Residue(VP+VA)(%,max.) |
|
PVP/VA 64P |
60/40 |
26-34 |
4.0-7.0 |
5.0% max. |
95% min. |
0.1 |
0.1 |
|
PVP/VA 64W |
60/40 |
26-34 |
4.0-7.0 |
48-52% |
48-52% |
0.1 |
0.1 |
|
PVP/VA 73W |
70/30 |
26-34 |
4.0-7.0 |
48-52% |
48-52% |
0.1 |
0.1 |
|
PVP/VA 37E |
30/70 |
24-32 |
-- |
0.5% |
48-52% |
0.1 |
0.1 |
|
PVP/VA 55E |
50/50 |
30-38 |
- |
0.5% |
48-52% |
0.1 |
0.1 |
|
PVP/VA 64E |
60/40 |
26-34 |
- |
0.5% |
48-52% |
0.1 |
0.1 |
|
PVP/VA 73E |
70/30 |
30-38 |
- |
0.5% |
48-52% |
0.1 |
0.1 |
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.
