Polyvinylpyrrolidone K15 K17 K30 K90 CAS No.9003-39-8 white powder or aqueous solution
Polyvinylpyrrolidone K (PVP-K Series)
Chemical name ：Homopolymer of Vinylpyrrolidone
CAS No.：9003-39-8
Molecular formula：(C6H9ON)n
Character：
Powder or aqueous solution,diffluent in water,alcohol,amine and halohydrocarbn,but is not dissolved in acetone and aether etc..It has good solubility,biocompatibility,and physiologically inert,film-forming character,colloid protect ability and compound ability to many organic or inorganic compounds.
Specification:
|
Item |
K Value |
NVP,% |
Moisture,% |
Ash,% |
PH |
Nitrogen% |
Aldehyde,p pm |
Heavy metal,ppm |
Peroxide,ppm |
|
K15 |
12-17 |
≤0.1 |
≤5.0 |
≤0.1 |
3-7 |
11.5-12.8 |
≤500 |
≤10 |
≤400 |
|
K17 |
15-19 |
≤0.1 |
≤5.0 |
≤0.1 |
3-7 |
11.5-12.8 |
≤500 |
≤10 |
≤400 |
|
K25 |
22-28 |
≤0.1 |
≤5.0 |
≤0.1 |
3-7 |
11.5-12.8 |
≤500 |
≤10 |
≤400 |
|
K30 |
26-36 |
≤0.1 |
≤5.0 |
≤0.1 |
3-7 |
11.5-12.8 |
≤500 |
≤10 |
≤400 |
|
K90 |
81-94 |
≤0.1 |
≤5.0 |
≤0.1 |
5-8 |
12.0-12.8 |
≤500 |
≤10 |
≤400 |
Applications:
1:Cosmetic field: Polyvinylpyrrolidone K has best dispersivity and film forming characters,it can be used as case-hardened liquid.hair spray,case-hardened agent of mousse,opacifying agent of Hair conditioner,foam stabilizer and wave case-hardened agent of shampoo,dispersant and affinity agent of tint
2: Industrial Field:Polyvinylpyrrolidone K in dyestuff,paint ink,fiber dye and color kinescope can use as surface cladding agent,dispersant,thickening agent and bond.
3: Pharmaceutical field: It is mainly used as binder for tablet and granule,dissolving assistant for injection,flow assistant for capsule,dispersant for liquid medicine and pigment ,stabilizer for enzyme etc.
Packing:
25kg or 50kg per fiber drum
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