Description
Cosmetic 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
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,an the hydroscopicity decreases in proportion to the ration of Vinyl acetate.
Applications:VP/VA Copolymers are the excellent choice as film forming agent and hair-styling agent,which are suitable for fourmulations which used as film forming and viscosity modification,especially in hair styling products, such as Hair Gels,Aerosol gas sprays,Wet look sprays.
Specifications:
Product
VP/VA Ration
K Value
pH Value
(5% in water)
Water
Solid Content
Sulphated Ash
(%,max.)
Residue NVP
(%,max.)
Residue VA(%,max.)
Heavy Metals
(ppm max.)
PVP/VA 64P
60/40
26-34
4.0-7.0
5.0% max.
95% min.
0.1
0.03
0.01
20
PVP/VA 64W
60/40
26-34
4.0-7.0
48-52%
48-52%
0.1
0.03
0.01
20
PVP/VA 73W
70/30
26-34
4.0-7.0
48-52%
48-52%
0.1
0.03
0.01
20
PVP/VA 37E
30/70
24-32
--
0.5%
48-52%
0.1
0.03
0.01
20
PVP/VA 55E
50/50
30-38
-
0.5%
48-52%
0.1
0.03
0.01
20
PVP/VA 64E
60/40
26-34
-
0.5%
48-52%
0.1
0.03
0.01
20
PVP/VA 73E
70/30
30-38
-
0.5%
48-52%
0.1
0.03
0.01
20
Pharmaceutical Grade VP/VA Copolymers
Product Name:Copvodione
Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer,PVP/VA 64 Powder
INCI/CTFA:VP/VA Copolymer
Pharmacopeia Name:Copovidone(Copovidonum)
CAS NO.:25086-89-9
Properties: White or creamy white,free-flowing power with characteristic smell,hygroscopic.Good solubility in water,alcohol and other organic solvents.
Specifications:
TEST ITEMS
SPECIFICATIONS
TEST VALUE
Appearance
White powder
Complies
K Value
25.4-34.2
30.9
PH value (1% in water)
5.0-7.0
5.6
Monomer (VP+VA) ppm
≤ 10
<10
Nitrogen %
7.0-8.0
7.4
Heavy metal (as lead) %
≤ 0.001
< 0.001
Aldehyde ppm
≤ 500
< 500
NVP %
≤ 0.20
0.09
Moisture %
≤ 5.0
3.62
Applications:In view of it's excellent adhesiveness ,film hard and other properties,Copovidone mainly used as water-soluble binder and dry binder in wet/direct granulation processes,also it can be used as film forming materials.
Copovidone PVP VA64 cosmetics
Complaint
