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Technical Grade VP/VA Copolymers

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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Jiaozuo Zhongwei Special Products Pharmaceutical Co.,Ltd.
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Fax:86-391-6109918
E-mail: sales@zw-pvp.com
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