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.) |
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 |
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